Class MaskingResult

Class MaskingResult

Pôvodný názov: Aspose.Imaging.Masking.Result Zhromaždenie: Aspose.Imaging.dll (25.4.0)

Základná abstraktná trieda, ktorá môže poskytnúť výsledný obrázok zo systému maskovania obrazu.

public abstract class MaskingResult : DisposableObject, IDisposable, IEnumerable<imaskinglayer>, IEnumerable

Inheritance

object DisposableObject MaskingResult

Implements

IDisposable , IEnumerable , IEnumerable

Z dedičných členov

DisposableObject.Dispose() , DisposableObject.ReleaseManagedResources() , DisposableObject.ReleaseUnmanagedResources() , DisposableObject.VerifyNotDisposed() , DisposableObject.Disposed , object.GetType() , object.MemberwiseClone() , object.ToString() , object.Equals(object?) , object.Equals(object?, object?) , object.ReferenceEquals(object?, object?) , object.GetHashCode()

Examples

Tento príklad ukazuje, ako rozdeliť rasterový obrázok do viacerých obrázkov pomocou obrazového maskovania a K-means segmentácie algoritmu.

string dir = "c:\\temp\\";

                                                                                                                                                                                                                                                                     using (Aspose.Imaging.RasterImage image = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "Blue hills.png"))
                                                                                                                                                                                                                                                                     {
                                                                                                                                                                                                                                                                         Aspose.Imaging.Masking.Options.AutoMaskingArgs args = new Aspose.Imaging.Masking.Options.AutoMaskingArgs();

                                                                                                                                                                                                                                                                         // Set the number of clusters (separated objects). The default value is 2, the foreground object and the background.
                                                                                                                                                                                                                                                                         args.NumberOfObjects = 3;

                                                                                                                                                                                                                                                                         // Set the maximum number of iterations.
                                                                                                                                                                                                                                                                         args.MaxIterationNumber = 50;

                                                                                                                                                                                                                                                                         // Set the precision of segmentation method (optional)
                                                                                                                                                                                                                                                                         args.Precision = 1;

                                                                                                                                                                                                                                                                         // Each cluster (segment) will be stored to a separate PNG file.
                                                                                                                                                                                                                                                                         Aspose.Imaging.ImageOptions.PngOptions exportOptions = new Aspose.Imaging.ImageOptions.PngOptions();
                                                                                                                                                                                                                                                                         exportOptions.ColorType = Aspose.Imaging.FileFormats.Png.PngColorType.TruecolorWithAlpha;
                                                                                                                                                                                                                                                                         exportOptions.Source = new Aspose.Imaging.Sources.StreamSource(new System.IO.MemoryStream());

                                                                                                                                                                                                                                                                         Aspose.Imaging.Masking.Options.MaskingOptions maskingOptions = new Aspose.Imaging.Masking.Options.MaskingOptions();

                                                                                                                                                                                                                                                                         // Use K-means clustering.
                                                                                                                                                                                                                                                                         // K-means clustering allows to split image into several independent clusters (segments).
                                                                                                                                                                                                                                                                         maskingOptions.Method = Masking.Options.SegmentationMethod.KMeans;
                                                                                                                                                                                                                                                                         maskingOptions.Decompose = true;
                                                                                                                                                                                                                                                                         maskingOptions.Args = args;

                                                                                                                                                                                                                                                                         // The backgroung color will be orange.
                                                                                                                                                                                                                                                                         maskingOptions.BackgroundReplacementColor = Aspose.Imaging.Color.Orange;
                                                                                                                                                                                                                                                                         maskingOptions.ExportOptions = exportOptions;

                                                                                                                                                                                                                                                                         // Create an instance of the ImageMasking class.
                                                                                                                                                                                                                                                                         Aspose.Imaging.Masking.ImageMasking masking = new Aspose.Imaging.Masking.ImageMasking(image);

                                                                                                                                                                                                                                                                         // Divide the source image into several clusters (segments).
                                                                                                                                                                                                                                                                         using (Aspose.Imaging.Masking.Result.MaskingResult maskingResult = masking.Decompose(maskingOptions))
                                                                                                                                                                                                                                                                         {
                                                                                                                                                                                                                                                                             // Obtain images from masking result and save them to PNG.
                                                                                                                                                                                                                                                                             for (int i = 0; i &lt; maskingResult.Length; i++)
                                                                                                                                                                                                                                                                             {
                                                                                                                                                                                                                                                                                 string outputFileName = string.Format("Blue hills.Segment{0}.png", maskingResult[i].ObjectNumber);
                                                                                                                                                                                                                                                                                 using (Aspose.Imaging.Image resultImage = maskingResult[i].GetImage())
                                                                                                                                                                                                                                                                                 {
                                                                                                                                                                                                                                                                                     resultImage.Save(dir + outputFileName);
                                                                                                                                                                                                                                                                                 }
                                                                                                                                                                                                                                                                             }
                                                                                                                                                                                                                                                                         }
                                                                                                                                                                                                                                                                     }

Použitie segmentovej masky na urýchlenie segmentácie

// Masking export options
                                                                    Aspose.Imaging.ImageOptions.PngOptions exportOptions = new Aspose.Imaging.ImageOptions.PngOptions();
                                                                    exportOptions.ColorType = Aspose.Imaging.FileFormats.Png.PngColorType.TruecolorWithAlpha;
                                                                    exportOptions.Source = new Aspose.Imaging.Sources.StreamSource(new System.IO.MemoryStream());

                                                                    Aspose.Imaging.Masking.Options.MaskingOptions maskingOptions = new Aspose.Imaging.Masking.Options.MaskingOptions();

                                                                    // Use GraphCut clustering.
                                                                    maskingOptions.Method = Masking.Options.SegmentationMethod.GraphCut;
                                                                    maskingOptions.Decompose = false;
                                                                    maskingOptions.Args = new Aspose.Imaging.Masking.Options.AutoMaskingArgs();

                                                                    // The backgroung color will be transparent.
                                                                    maskingOptions.BackgroundReplacementColor = Aspose.Imaging.Color.Transparent;
                                                                    maskingOptions.ExportOptions = exportOptions;

                                                                    string dir = "c:\\temp\\";
                                                                    using (Aspose.Imaging.RasterImage image = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "BigImage.jpg"))
                                                                    {
                                                                        Aspose.Imaging.Size imageSize = image.Size;

                                                                        // Reducing image size to speed up the segmentation process
                                                                        image.ResizeHeightProportionally(600, Aspose.Imaging.ResizeType.HighQualityResample);

                                                                        // Create an instance of the ImageMasking class.
                                                                        Aspose.Imaging.Masking.ImageMasking masking = new Aspose.Imaging.Masking.ImageMasking(image);

                                                                        // Divide the source image into several clusters (segments).
                                                                        using (Aspose.Imaging.Masking.Result.MaskingResult maskingResult = masking.Decompose(maskingOptions))
                                                                        {
                                                                            // Getting the foreground mask
                                                                            using (Aspose.Imaging.RasterImage foregroundMask = maskingResult[1].GetMask()) 
                                                                            {
                                                                                // Increase the size of the mask to the size of the original image
                                                                                foregroundMask.Resize(imageSize.Width, imageSize.Height, Aspose.Imaging.ResizeType.NearestNeighbourResample);

                                                                                // Applying the mask to the original image to obtain a foreground segment
                                                                                using (Aspose.Imaging.RasterImage originImage = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "BigImage.jpg"))
                                                                                {
                                                                                    Aspose.Imaging.Masking.ImageMasking.ApplyMask(originImage, foregroundMask, maskingOptions);
                                                                                    originImage.Save(dir + "BigImage_foreground.png", exportOptions);
                                                                                }
                                                                            }
                                                                        }
                                                                    }

Tento príklad ukazuje, ako rozdeliť rasterový obrázok do viacerých obrázkov pomocou obrazového masku a manuálnej masky. Image masking je technika spracovania obrazu, ktorá sa používa na rozdelenie pozadia od predných obrázkových objektov.

string dir = "c:\\temp\\";

                                                                                                                                                                                                                                                // Define a manual mask.
                                                                                                                                                                                                                                                Aspose.Imaging.GraphicsPath manualMask = new Aspose.Imaging.GraphicsPath();
                                                                                                                                                                                                                                                Aspose.Imaging.Figure figure = new Aspose.Imaging.Figure();
                                                                                                                                                                                                                                                figure.AddShape(new Aspose.Imaging.Shapes.EllipseShape(new RectangleF(50, 50, 40, 40)));
                                                                                                                                                                                                                                                figure.AddShape(new Aspose.Imaging.Shapes.RectangleShape(new RectangleF(10, 20, 50, 30)));
                                                                                                                                                                                                                                                manualMask.AddFigure(figure);

                                                                                                                                                                                                                                                // Each cluster (segment) will be stored to a separate PNG file.
                                                                                                                                                                                                                                                Aspose.Imaging.ImageOptions.PngOptions exportOptions = new Aspose.Imaging.ImageOptions.PngOptions();
                                                                                                                                                                                                                                                exportOptions.ColorType = Aspose.Imaging.FileFormats.Png.PngColorType.TruecolorWithAlpha;
                                                                                                                                                                                                                                                exportOptions.Source = new Aspose.Imaging.Sources.StreamSource(new System.IO.MemoryStream());

                                                                                                                                                                                                                                                // Set the manual mask.
                                                                                                                                                                                                                                                Aspose.Imaging.Masking.Options.ManualMaskingArgs args = new Aspose.Imaging.Masking.Options.ManualMaskingArgs();
                                                                                                                                                                                                                                                args.Mask = manualMask;

                                                                                                                                                                                                                                                using (RasterImage image = (RasterImage)Image.Load(dir + "Blue hills.png"))
                                                                                                                                                                                                                                                {
                                                                                                                                                                                                                                                    Aspose.Imaging.Masking.Options.MaskingOptions maskingOptions = new Aspose.Imaging.Masking.Options.MaskingOptions();

                                                                                                                                                                                                                                                    // Use manual clustering algorithm.
                                                                                                                                                                                                                                                    maskingOptions.Method = Masking.Options.SegmentationMethod.Manual;

                                                                                                                                                                                                                                                    // All shapes making up a mask will be combined into one. 
                                                                                                                                                                                                                                                    maskingOptions.Decompose = false;
                                                                                                                                                                                                                                                    maskingOptions.Args = args;

                                                                                                                                                                                                                                                    // The backgroung color will be orange.
                                                                                                                                                                                                                                                    maskingOptions.BackgroundReplacementColor = Aspose.Imaging.Color.Orange;
                                                                                                                                                                                                                                                    maskingOptions.ExportOptions = exportOptions;

                                                                                                                                                                                                                                                    // The area of the source image that masking will be applied to.
                                                                                                                                                                                                                                                    maskingOptions.MaskingArea = new Rectangle(50, 50, 120, 120);

                                                                                                                                                                                                                                                    // Create an instance of the ImageMasking class.
                                                                                                                                                                                                                                                    Aspose.Imaging.Masking.ImageMasking masking = new Aspose.Imaging.Masking.ImageMasking(image);

                                                                                                                                                                                                                                                    // Divide the source image into several clusters (segments).
                                                                                                                                                                                                                                                    using (Aspose.Imaging.Masking.Result.MaskingResult maskingResult = masking.Decompose(maskingOptions))
                                                                                                                                                                                                                                                    {
                                                                                                                                                                                                                                                        // Obtain images from masking result and save them to PNG.
                                                                                                                                                                                                                                                        for (int i = 0; i &lt; maskingResult.Length; i++)
                                                                                                                                                                                                                                                        {
                                                                                                                                                                                                                                                            string outputFileName = string.Format("Blue hills.Segment{0}.png", maskingResult[i].ObjectNumber);
                                                                                                                                                                                                                                                            using (Aspose.Imaging.Image resultImage = maskingResult[i].GetImage())
                                                                                                                                                                                                                                                            {
                                                                                                                                                                                                                                                                resultImage.Save(dir + outputFileName);
                                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                }

Tento príklad ukazuje, ako určiť návrhy pre algoritmus maskovania obrazu na zlepšenie presnosti segmentácie (klustrácie) metódy.

string dir = "c:\\temp\\";

                                                                                                                                                                                                                                                                     using (Aspose.Imaging.RasterImage image = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "Gorilla.bmp"))
                                                                                                                                                                                                                                                                     {
                                                                                                                                                                                                                                                                         Aspose.Imaging.Masking.Options.AutoMaskingArgs args = new Aspose.Imaging.Masking.Options.AutoMaskingArgs();

                                                                                                                                                                                                                                                                         // Suggestion #1.
                                                                                                                                                                                                                                                                         // Analyze the image visually and set the area of interest. The result of segmentation will include only objects that will be completely located within this area.
                                                                                                                                                                                                                                                                         args.ObjectsRectangles = new Rectangle[]
                                                                                                                                                                                                                                                                         {
                                                                                                                                                                                                                                                                             new Rectangle(86, 6, 270, 364),
                                                                                                                                                                                                                                                                         };

                                                                                                                                                                                                                                                                         // Suggestion #2.
                                                                                                                                                                                                                                                                         // Analyze the image visually and set the points that belong to separated objects.
                                                                                                                                                                                                                                                                         args.ObjectsPoints = new Point[][]
                                                                                                                                                                                                                                                                         {
                                                                                                                                                                                                                                                                             new Point[] { new Point(103, 326) },
                                                                                                                                                                                                                                                                             new Point[] { new Point(280, 43) },
                                                                                                                                                                                                                                                                             new Point[] { new Point(319, 86) },
                                                                                                                                                                                                                                                                         };

                                                                                                                                                                                                                                                                         // Each cluster (segment) will be stored to a separate PNG file.
                                                                                                                                                                                                                                                                         Aspose.Imaging.ImageOptions.PngOptions exportOptions = new Aspose.Imaging.ImageOptions.PngOptions();
                                                                                                                                                                                                                                                                         exportOptions.ColorType = Aspose.Imaging.FileFormats.Png.PngColorType.TruecolorWithAlpha;
                                                                                                                                                                                                                                                                         exportOptions.Source = new Aspose.Imaging.Sources.StreamSource(new System.IO.MemoryStream());

                                                                                                                                                                                                                                                                         Aspose.Imaging.Masking.Options.MaskingOptions maskingOptions = new Aspose.Imaging.Masking.Options.MaskingOptions();

                                                                                                                                                                                                                                                                         // Use GraphCut clustering.
                                                                                                                                                                                                                                                                         maskingOptions.Method = Masking.Options.SegmentationMethod.GraphCut;
                                                                                                                                                                                                                                                                         maskingOptions.Decompose = false;
                                                                                                                                                                                                                                                                         maskingOptions.Args = args;

                                                                                                                                                                                                                                                                         // The backgroung color will be orange.
                                                                                                                                                                                                                                                                         maskingOptions.BackgroundReplacementColor = Aspose.Imaging.Color.Orange;
                                                                                                                                                                                                                                                                         maskingOptions.ExportOptions = exportOptions;

                                                                                                                                                                                                                                                                         // Create an instance of the ImageMasking class.
                                                                                                                                                                                                                                                                         Aspose.Imaging.Masking.ImageMasking masking = new Aspose.Imaging.Masking.ImageMasking(image);

                                                                                                                                                                                                                                                                         // Divide the source image into several clusters (segments).
                                                                                                                                                                                                                                                                         using (Aspose.Imaging.Masking.Result.MaskingResult maskingResult = masking.Decompose(maskingOptions))
                                                                                                                                                                                                                                                                         {
                                                                                                                                                                                                                                                                             // Obtain images from masking result and save them to PNG.
                                                                                                                                                                                                                                                                             for (int i = 0; i &lt; maskingResult.Length; i++)
                                                                                                                                                                                                                                                                             {
                                                                                                                                                                                                                                                                                 string outputFileName = string.Format("Gorilla.Segment{0}.png", maskingResult[i].ObjectNumber);
                                                                                                                                                                                                                                                                                 using (Aspose.Imaging.Image resultImage = maskingResult[i].GetImage())
                                                                                                                                                                                                                                                                                 {
                                                                                                                                                                                                                                                                                     resultImage.Save(dir + outputFileName);
                                                                                                                                                                                                                                                                                 }
                                                                                                                                                                                                                                                                             }
                                                                                                                                                                                                                                                                         }
                                                                                                                                                                                                                                                                     }

Ušetriť maskovacie zasadnutie do súboru na dlhé zasadnutia, ako aj možnosť obnovenia zasadnutí v inom prostredí.

string dir = "c:\\temp\\";
                                                                                                                                                 string sessionBackupFile = dir + "session.bak";

                                                                                                                                                 // Masking export options
                                                                                                                                                 Aspose.Imaging.ImageOptions.PngOptions exportOptions = new Aspose.Imaging.ImageOptions.PngOptions();
                                                                                                                                                 exportOptions.ColorType = Aspose.Imaging.FileFormats.Png.PngColorType.TruecolorWithAlpha;
                                                                                                                                                 exportOptions.Source = new Aspose.Imaging.Sources.StreamSource(new System.IO.MemoryStream());

                                                                                                                                                 Aspose.Imaging.Masking.Options.MaskingOptions maskingOptions = new Aspose.Imaging.Masking.Options.MaskingOptions();

                                                                                                                                                 // Use GraphCut clustering.
                                                                                                                                                 maskingOptions.Method = Masking.Options.SegmentationMethod.GraphCut;
                                                                                                                                                 maskingOptions.Decompose = false;
                                                                                                                                                 maskingOptions.Args = new Aspose.Imaging.Masking.Options.AutoMaskingArgs();

                                                                                                                                                 // The backgroung color will be orange.
                                                                                                                                                 maskingOptions.BackgroundReplacementColor = Aspose.Imaging.Color.Orange;
                                                                                                                                                 maskingOptions.ExportOptions = exportOptions;

                                                                                                                                                 // Starting a session for the first time and saving to a file
                                                                                                                                                 using (Aspose.Imaging.RasterImage image = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "Gorilla.bmp"))
                                                                                                                                                 {
                                                                                                                                                     // Create an instance of the ImageMasking class.
                                                                                                                                                     Aspose.Imaging.Masking.ImageMasking masking = new Aspose.Imaging.Masking.ImageMasking(image);

                                                                                                                                                     using (Aspose.Imaging.Masking.IMaskingSession session = masking.CreateSession(maskingOptions))
                                                                                                                                                     {
                                                                                                                                                         using (Aspose.Imaging.Masking.Result.MaskingResult maskingResult = session.Decompose())
                                                                                                                                                         {
                                                                                                                                                             using (Aspose.Imaging.RasterImage segmentImage = maskingResult[1].GetImage())
                                                                                                                                                             {
                                                                                                                                                                 segmentImage.Save(dir + "step1.png");
                                                                                                                                                             }
                                                                                                                                                         }

                                                                                                                                                         session.Save(sessionBackupFile);
                                                                                                                                                     }
                                                                                                                                                 }

                                                                                                                                                 // Resuming a masking session from a file
                                                                                                                                                 using (Aspose.Imaging.RasterImage image = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "Gorilla.bmp"))
                                                                                                                                                 {
                                                                                                                                                     // Create an instance of the ImageMasking class.
                                                                                                                                                     Aspose.Imaging.Masking.ImageMasking masking = new Aspose.Imaging.Masking.ImageMasking(image);

                                                                                                                                                     using (Aspose.Imaging.Masking.IMaskingSession session = masking.LoadSession(sessionBackupFile))
                                                                                                                                                     {
                                                                                                                                                         Aspose.Imaging.Masking.Options.AutoMaskingArgs args = new Aspose.Imaging.Masking.Options.AutoMaskingArgs();

                                                                                                                                                         // Analyze the image visually and set the points that belong to separated objects.
                                                                                                                                                         args.ObjectsPoints = new Point[][]
                                                                                                                                                                                      {
                                                                                                                                                                                          new Point[]
                                                                                                                                                                                              {
                                                                                                                                                                                                  new Point(0, 0), new Point(0, 1), new Point(1, 0),
                                                                                                                                                                                                  new Point(1, 1), new Point(2, 0), new Point(2, 1),
                                                                                                                                                                                                  new Point(3, 0), new Point(3, 1)
                                                                                                                                                                                              },
                                                                                                                                                                                      };
                                                                                                                                                         using (Aspose.Imaging.Masking.Result.MaskingResult maskingResult = session.ImproveDecomposition(args))
                                                                                                                                                         {
                                                                                                                                                             // Explicit transfer of export options, since it is not serializable
                                                                                                                                                             maskingResult.MaskingOptions.ExportOptions = exportOptions;

                                                                                                                                                             using (Aspose.Imaging.RasterImage segmentImage = maskingResult[1].GetImage())
                                                                                                                                                             {
                                                                                                                                                                 segmentImage.Save(dir + "step2.png");
                                                                                                                                                             }
                                                                                                                                                         }
                                                                                                                                                     }
                                                                                                                                                 }

Constructors

MaskingResult(MaskingOptions, RasterImage, Rectangle)

Initalizuje novú inštanciu triedy Aspose.Imaging.Masking.Result.

protected MaskingResult(MaskingOptions maskingOptions, RasterImage originImage, Rectangle maskingArea)

Parameters

maskingOptions MaskingOptions

Možnosti maskovania .

originImage RasterImage

Obrázok pôvodu .

maskingArea Rectangle

Oblasť maskovania .

Fields

MaskingArea

Oblasť masku

protected readonly Rectangle MaskingArea

Fieldová hodnota

Rectangle

MaskingOptions

Možnosti maskovania

public readonly MaskingOptions MaskingOptions

Fieldová hodnota

MaskingOptions

OriginImage

Obrázok pôvodu

protected readonly RasterImage OriginImage

Fieldová hodnota

RasterImage

Properties

Layers

Vezmite si vrstvy.

public abstract IMaskingLayer[] Layers { get; }

Hodnota nehnuteľnosti

IMaskingLayer []

Length

Dostane si dĺžku.

public int Length { get; }

Hodnota nehnuteľnosti

int

Examples

Tento príklad ukazuje, ako rozdeliť rasterový obrázok do viacerých obrázkov pomocou obrazového maskovania a K-means segmentácie algoritmu.

string dir = "c:\\temp\\";

                                                                                                                                                                                                                                                                     using (Aspose.Imaging.RasterImage image = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "Blue hills.png"))
                                                                                                                                                                                                                                                                     {
                                                                                                                                                                                                                                                                         Aspose.Imaging.Masking.Options.AutoMaskingArgs args = new Aspose.Imaging.Masking.Options.AutoMaskingArgs();

                                                                                                                                                                                                                                                                         // Set the number of clusters (separated objects). The default value is 2, the foreground object and the background.
                                                                                                                                                                                                                                                                         args.NumberOfObjects = 3;

                                                                                                                                                                                                                                                                         // Set the maximum number of iterations.
                                                                                                                                                                                                                                                                         args.MaxIterationNumber = 50;

                                                                                                                                                                                                                                                                         // Set the precision of segmentation method (optional)
                                                                                                                                                                                                                                                                         args.Precision = 1;

                                                                                                                                                                                                                                                                         // Each cluster (segment) will be stored to a separate PNG file.
                                                                                                                                                                                                                                                                         Aspose.Imaging.ImageOptions.PngOptions exportOptions = new Aspose.Imaging.ImageOptions.PngOptions();
                                                                                                                                                                                                                                                                         exportOptions.ColorType = Aspose.Imaging.FileFormats.Png.PngColorType.TruecolorWithAlpha;
                                                                                                                                                                                                                                                                         exportOptions.Source = new Aspose.Imaging.Sources.StreamSource(new System.IO.MemoryStream());

                                                                                                                                                                                                                                                                         Aspose.Imaging.Masking.Options.MaskingOptions maskingOptions = new Aspose.Imaging.Masking.Options.MaskingOptions();

                                                                                                                                                                                                                                                                         // Use K-means clustering.
                                                                                                                                                                                                                                                                         // K-means clustering allows to split image into several independent clusters (segments).
                                                                                                                                                                                                                                                                         maskingOptions.Method = Masking.Options.SegmentationMethod.KMeans;
                                                                                                                                                                                                                                                                         maskingOptions.Decompose = true;
                                                                                                                                                                                                                                                                         maskingOptions.Args = args;

                                                                                                                                                                                                                                                                         // The backgroung color will be orange.
                                                                                                                                                                                                                                                                         maskingOptions.BackgroundReplacementColor = Aspose.Imaging.Color.Orange;
                                                                                                                                                                                                                                                                         maskingOptions.ExportOptions = exportOptions;

                                                                                                                                                                                                                                                                         // Create an instance of the ImageMasking class.
                                                                                                                                                                                                                                                                         Aspose.Imaging.Masking.ImageMasking masking = new Aspose.Imaging.Masking.ImageMasking(image);

                                                                                                                                                                                                                                                                         // Divide the source image into several clusters (segments).
                                                                                                                                                                                                                                                                         using (Aspose.Imaging.Masking.Result.MaskingResult maskingResult = masking.Decompose(maskingOptions))
                                                                                                                                                                                                                                                                         {
                                                                                                                                                                                                                                                                             // Obtain images from masking result and save them to PNG.
                                                                                                                                                                                                                                                                             for (int i = 0; i &lt; maskingResult.Length; i++)
                                                                                                                                                                                                                                                                             {
                                                                                                                                                                                                                                                                                 string outputFileName = string.Format("Blue hills.Segment{0}.png", maskingResult[i].ObjectNumber);
                                                                                                                                                                                                                                                                                 using (Aspose.Imaging.Image resultImage = maskingResult[i].GetImage())
                                                                                                                                                                                                                                                                                 {
                                                                                                                                                                                                                                                                                     resultImage.Save(dir + outputFileName);
                                                                                                                                                                                                                                                                                 }
                                                                                                                                                                                                                                                                             }
                                                                                                                                                                                                                                                                         }
                                                                                                                                                                                                                                                                     }

Tento príklad ukazuje, ako rozdeliť rasterový obrázok do viacerých obrázkov pomocou obrazového masku a manuálnej masky. Image masking je technika spracovania obrazu, ktorá sa používa na rozdelenie pozadia od predných obrázkových objektov.

string dir = "c:\\temp\\";

                                                                                                                                                                                                                                                // Define a manual mask.
                                                                                                                                                                                                                                                Aspose.Imaging.GraphicsPath manualMask = new Aspose.Imaging.GraphicsPath();
                                                                                                                                                                                                                                                Aspose.Imaging.Figure figure = new Aspose.Imaging.Figure();
                                                                                                                                                                                                                                                figure.AddShape(new Aspose.Imaging.Shapes.EllipseShape(new RectangleF(50, 50, 40, 40)));
                                                                                                                                                                                                                                                figure.AddShape(new Aspose.Imaging.Shapes.RectangleShape(new RectangleF(10, 20, 50, 30)));
                                                                                                                                                                                                                                                manualMask.AddFigure(figure);

                                                                                                                                                                                                                                                // Each cluster (segment) will be stored to a separate PNG file.
                                                                                                                                                                                                                                                Aspose.Imaging.ImageOptions.PngOptions exportOptions = new Aspose.Imaging.ImageOptions.PngOptions();
                                                                                                                                                                                                                                                exportOptions.ColorType = Aspose.Imaging.FileFormats.Png.PngColorType.TruecolorWithAlpha;
                                                                                                                                                                                                                                                exportOptions.Source = new Aspose.Imaging.Sources.StreamSource(new System.IO.MemoryStream());

                                                                                                                                                                                                                                                // Set the manual mask.
                                                                                                                                                                                                                                                Aspose.Imaging.Masking.Options.ManualMaskingArgs args = new Aspose.Imaging.Masking.Options.ManualMaskingArgs();
                                                                                                                                                                                                                                                args.Mask = manualMask;

                                                                                                                                                                                                                                                using (RasterImage image = (RasterImage)Image.Load(dir + "Blue hills.png"))
                                                                                                                                                                                                                                                {
                                                                                                                                                                                                                                                    Aspose.Imaging.Masking.Options.MaskingOptions maskingOptions = new Aspose.Imaging.Masking.Options.MaskingOptions();

                                                                                                                                                                                                                                                    // Use manual clustering algorithm.
                                                                                                                                                                                                                                                    maskingOptions.Method = Masking.Options.SegmentationMethod.Manual;

                                                                                                                                                                                                                                                    // All shapes making up a mask will be combined into one. 
                                                                                                                                                                                                                                                    maskingOptions.Decompose = false;
                                                                                                                                                                                                                                                    maskingOptions.Args = args;

                                                                                                                                                                                                                                                    // The backgroung color will be orange.
                                                                                                                                                                                                                                                    maskingOptions.BackgroundReplacementColor = Aspose.Imaging.Color.Orange;
                                                                                                                                                                                                                                                    maskingOptions.ExportOptions = exportOptions;

                                                                                                                                                                                                                                                    // The area of the source image that masking will be applied to.
                                                                                                                                                                                                                                                    maskingOptions.MaskingArea = new Rectangle(50, 50, 120, 120);

                                                                                                                                                                                                                                                    // Create an instance of the ImageMasking class.
                                                                                                                                                                                                                                                    Aspose.Imaging.Masking.ImageMasking masking = new Aspose.Imaging.Masking.ImageMasking(image);

                                                                                                                                                                                                                                                    // Divide the source image into several clusters (segments).
                                                                                                                                                                                                                                                    using (Aspose.Imaging.Masking.Result.MaskingResult maskingResult = masking.Decompose(maskingOptions))
                                                                                                                                                                                                                                                    {
                                                                                                                                                                                                                                                        // Obtain images from masking result and save them to PNG.
                                                                                                                                                                                                                                                        for (int i = 0; i &lt; maskingResult.Length; i++)
                                                                                                                                                                                                                                                        {
                                                                                                                                                                                                                                                            string outputFileName = string.Format("Blue hills.Segment{0}.png", maskingResult[i].ObjectNumber);
                                                                                                                                                                                                                                                            using (Aspose.Imaging.Image resultImage = maskingResult[i].GetImage())
                                                                                                                                                                                                                                                            {
                                                                                                                                                                                                                                                                resultImage.Save(dir + outputFileName);
                                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                }

Tento príklad ukazuje, ako určiť návrhy pre algoritmus maskovania obrazu na zlepšenie presnosti segmentácie (klustrácie) metódy.

string dir = "c:\\temp\\";

                                                                                                                                                                                                                                                                     using (Aspose.Imaging.RasterImage image = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "Gorilla.bmp"))
                                                                                                                                                                                                                                                                     {
                                                                                                                                                                                                                                                                         Aspose.Imaging.Masking.Options.AutoMaskingArgs args = new Aspose.Imaging.Masking.Options.AutoMaskingArgs();

                                                                                                                                                                                                                                                                         // Suggestion #1.
                                                                                                                                                                                                                                                                         // Analyze the image visually and set the area of interest. The result of segmentation will include only objects that will be completely located within this area.
                                                                                                                                                                                                                                                                         args.ObjectsRectangles = new Rectangle[]
                                                                                                                                                                                                                                                                         {
                                                                                                                                                                                                                                                                             new Rectangle(86, 6, 270, 364),
                                                                                                                                                                                                                                                                         };

                                                                                                                                                                                                                                                                         // Suggestion #2.
                                                                                                                                                                                                                                                                         // Analyze the image visually and set the points that belong to separated objects.
                                                                                                                                                                                                                                                                         args.ObjectsPoints = new Point[][]
                                                                                                                                                                                                                                                                         {
                                                                                                                                                                                                                                                                             new Point[] { new Point(103, 326) },
                                                                                                                                                                                                                                                                             new Point[] { new Point(280, 43) },
                                                                                                                                                                                                                                                                             new Point[] { new Point(319, 86) },
                                                                                                                                                                                                                                                                         };

                                                                                                                                                                                                                                                                         // Each cluster (segment) will be stored to a separate PNG file.
                                                                                                                                                                                                                                                                         Aspose.Imaging.ImageOptions.PngOptions exportOptions = new Aspose.Imaging.ImageOptions.PngOptions();
                                                                                                                                                                                                                                                                         exportOptions.ColorType = Aspose.Imaging.FileFormats.Png.PngColorType.TruecolorWithAlpha;
                                                                                                                                                                                                                                                                         exportOptions.Source = new Aspose.Imaging.Sources.StreamSource(new System.IO.MemoryStream());

                                                                                                                                                                                                                                                                         Aspose.Imaging.Masking.Options.MaskingOptions maskingOptions = new Aspose.Imaging.Masking.Options.MaskingOptions();

                                                                                                                                                                                                                                                                         // Use GraphCut clustering.
                                                                                                                                                                                                                                                                         maskingOptions.Method = Masking.Options.SegmentationMethod.GraphCut;
                                                                                                                                                                                                                                                                         maskingOptions.Decompose = false;
                                                                                                                                                                                                                                                                         maskingOptions.Args = args;

                                                                                                                                                                                                                                                                         // The backgroung color will be orange.
                                                                                                                                                                                                                                                                         maskingOptions.BackgroundReplacementColor = Aspose.Imaging.Color.Orange;
                                                                                                                                                                                                                                                                         maskingOptions.ExportOptions = exportOptions;

                                                                                                                                                                                                                                                                         // Create an instance of the ImageMasking class.
                                                                                                                                                                                                                                                                         Aspose.Imaging.Masking.ImageMasking masking = new Aspose.Imaging.Masking.ImageMasking(image);

                                                                                                                                                                                                                                                                         // Divide the source image into several clusters (segments).
                                                                                                                                                                                                                                                                         using (Aspose.Imaging.Masking.Result.MaskingResult maskingResult = masking.Decompose(maskingOptions))
                                                                                                                                                                                                                                                                         {
                                                                                                                                                                                                                                                                             // Obtain images from masking result and save them to PNG.
                                                                                                                                                                                                                                                                             for (int i = 0; i &lt; maskingResult.Length; i++)
                                                                                                                                                                                                                                                                             {
                                                                                                                                                                                                                                                                                 string outputFileName = string.Format("Gorilla.Segment{0}.png", maskingResult[i].ObjectNumber);
                                                                                                                                                                                                                                                                                 using (Aspose.Imaging.Image resultImage = maskingResult[i].GetImage())
                                                                                                                                                                                                                                                                                 {
                                                                                                                                                                                                                                                                                     resultImage.Save(dir + outputFileName);
                                                                                                                                                                                                                                                                                 }
                                                                                                                                                                                                                                                                             }
                                                                                                                                                                                                                                                                         }
                                                                                                                                                                                                                                                                     }

Toto[int]

Získajte Aspose.Imaging.Masking.Result.IMaskingLayer na špecifikovanom indexe.

public IMaskingLayer this[int index] { get; }

Hodnota nehnuteľnosti

IMaskingLayer

Methods

GetEnumerator()

Vezmite si zoznam.

public IEnumerator<imaskinglayer> GetEnumerator()

Returns

IEnumerator < IMaskingLayer >

V súvislosti s enumerátorom.

Pozri tiež

DisposableObject

 Slovenčina