Class DicomImage
名称: Aspose.Imaging.FileFormats.Dicom 收藏: Aspose.Imaging.dll (25.4.0)
本课在医学中实施数字图像和通信(DICOM) 支持拉斯特图像格式,并提供全面的解决方案以精度和灵活性处理 DICOM 图像。操纵图像页面,包括获取、添加或删除页面的操作;控制默认和活跃的页面. 有能力与阿尔法频道工作,嵌入 XMP 金属数据,重定向,旋转,种植,二元化,调整,应用过滤器,转换到其他 raster 格式. 此 API 允许开发人员处理DICOM 图像有效,同时满足各种应用要求医学图像背景
[JsonObject(MemberSerialization.OptIn)]
public sealed class DicomImage : RasterCachedMultipageImage, IDisposable, IObjectWithBounds, IRasterImageArgb32PixelLoader, IRasterImageRawDataLoader, IHasXmpData, IHasMetadata, IMultipageImageExt, IMultipageImageInheritance
object ← DisposableObject ← DataStreamSupporter ← Image ← RasterImage ← RasterCachedImage ← RasterCachedMultipageImage ← DicomImage
Implements
IDisposable , IObjectWithBounds , IRasterImageArgb32PixelLoader , IRasterImageRawDataLoader , IHasXmpData , IHasMetadata , IMultipageImageExt , IMultipageImage
继承人
RasterCachedMultipageImage.AdjustBrightness(int) , RasterCachedMultipageImage.AdjustContrast(float) , RasterCachedMultipageImage.AdjustGamma(float, float, float) , RasterCachedMultipageImage.AdjustGamma(float) , RasterCachedMultipageImage.Blend(Point, RasterImage, Rectangle, byte) , RasterCachedMultipageImage.BinarizeFixed(byte) , RasterCachedMultipageImage.BinarizeBradley(double, int) , RasterCachedMultipageImage.BinarizeBradley(double) , RasterCachedMultipageImage.BinarizeOtsu() , RasterCachedMultipageImage.Crop(Rectangle) , RasterCachedMultipageImage.Crop(int, int, int, int) , RasterCachedMultipageImage.Dither(DitheringMethod, int, IColorPalette) , RasterCachedMultipageImage.Grayscale() , RasterCachedMultipageImage.NormalizeHistogram() , RasterCachedMultipageImage.Rotate(float, bool, Color) , RasterCachedMultipageImage.RotateFlip(RotateFlipType) , RasterCachedMultipageImage.RotateFlipAll(RotateFlipType) , RasterCachedMultipageImage.Resize(int, int, ResizeType) , RasterCachedMultipageImage.Resize(int, int, ImageResizeSettings) , RasterCachedMultipageImage.ResizeWidthProportionally(int, ResizeType) , RasterCachedMultipageImage.ResizeHeightProportionally(int, ResizeType) , RasterCachedMultipageImage.ReplaceColor(int, byte, int) , RasterCachedMultipageImage.ReplaceNonTransparentColors(int) , RasterCachedMultipageImage.Filter(Rectangle, FilterOptionsBase) , RasterCachedMultipageImage.NormalizeAngle(bool, Color) , RasterCachedMultipageImage.CacheData() , RasterCachedMultipageImage.GetSerializedStream(ImageOptionsBase, Rectangle, out int) , RasterCachedMultipageImage.Height , RasterCachedMultipageImage.Width , RasterCachedMultipageImage.BitsPerPixel , RasterCachedMultipageImage.IsCached , RasterCachedMultipageImage.PageCount , RasterCachedMultipageImage.Pages , RasterCachedMultipageImage.HasAlpha , RasterCachedMultipageImage.HasTransparentColor , RasterCachedMultipageImage.ImageOpacity , RasterCachedMultipageImage.BackgroundColor , RasterCachedMultipageImage.XmpData , RasterCachedMultipageImage.PageExportingAction , RasterCachedImage.CacheData() , RasterCachedImage.Blend(Point, RasterImage, Rectangle, byte) , RasterCachedImage.Resize(int, int, ResizeType) , RasterCachedImage.Resize(int, int, ImageResizeSettings) , RasterCachedImage.RotateFlip(RotateFlipType) , RasterCachedImage.Rotate(float, bool, Color) , RasterCachedImage.Crop(Rectangle) , RasterCachedImage.Dither(DitheringMethod, int, IColorPalette) , RasterCachedImage.Grayscale() , RasterCachedImage.NormalizeHistogram() , RasterCachedImage.BinarizeFixed(byte) , RasterCachedImage.BinarizeOtsu() , RasterCachedImage.BinarizeBradley(double, int) , RasterCachedImage.BinarizeBradley(double) , RasterCachedImage.AdjustBrightness(int) , RasterCachedImage.AdjustContrast(float) , RasterCachedImage.AdjustGamma(float, float, float) , RasterCachedImage.AdjustGamma(float) , RasterCachedImage.IsCached , RasterImage.RemoveMetadata() , RasterImage.Save(Stream, ImageOptionsBase, Rectangle) , RasterImage.GetModifyDate(bool) , RasterImage.Dither(DitheringMethod, int) , RasterImage.Dither(DitheringMethod, int, IColorPalette) , RasterImage.GetDefaultPixels(Rectangle, IPartialArgb32PixelLoader) , RasterImage.GetDefaultRawData(Rectangle, IPartialRawDataLoader, RawDataSettings) , RasterImage.GetDefaultArgb32Pixels(Rectangle) , RasterImage.GetDefaultRawData(Rectangle, RawDataSettings) , RasterImage.GetArgb32Pixel(int, int) , RasterImage.GetPixel(int, int) , RasterImage.SetArgb32Pixel(int, int, int) , RasterImage.SetPixel(int, int, Color) , RasterImage.ReadScanLine(int) , RasterImage.ReadArgb32ScanLine(int) , RasterImage.WriteScanLine(int, Color[]) , RasterImage.WriteArgb32ScanLine(int, int[]) , RasterImage.LoadPartialArgb32Pixels(Rectangle, IPartialArgb32PixelLoader) , RasterImage.LoadPartialPixels(Rectangle, IPartialPixelLoader) , RasterImage.LoadArgb32Pixels(Rectangle) , RasterImage.LoadArgb64Pixels(Rectangle) , RasterImage.LoadPartialArgb64Pixels(Rectangle, IPartialArgb64PixelLoader) , RasterImage.LoadPixels(Rectangle) , RasterImage.LoadCmykPixels(Rectangle) , RasterImage.LoadCmyk32Pixels(Rectangle) , RasterImage.LoadRawData(Rectangle, RawDataSettings, IPartialRawDataLoader) , RasterImage.LoadRawData(Rectangle, Rectangle, RawDataSettings, IPartialRawDataLoader) , RasterImage.SaveRawData(byte[], int, Rectangle, RawDataSettings) , RasterImage.SaveArgb32Pixels(Rectangle, int[]) , RasterImage.SavePixels(Rectangle, Color[]) , RasterImage.SaveCmykPixels(Rectangle, CmykColor[]) , RasterImage.SaveCmyk32Pixels(Rectangle, int[]) , RasterImage.SetResolution(double, double) , RasterImage.SetPalette(IColorPalette, bool) , RasterImage.Resize(int, int, ImageResizeSettings) , RasterImage.Rotate(float, bool, Color) , RasterImage.Rotate(float) , RasterImage.BinarizeFixed(byte) , RasterImage.BinarizeOtsu() , RasterImage.BinarizeBradley(double) , RasterImage.BinarizeBradley(double, int) , RasterImage.Blend(Point, RasterImage, Rectangle, byte) , RasterImage.Blend(Point, RasterImage, byte) , RasterImage.Grayscale() , RasterImage.NormalizeHistogram() , RasterImage.AdjustBrightness(int) , RasterImage.AdjustContrast(float) , RasterImage.AdjustGamma(float, float, float) , RasterImage.AdjustGamma(float) , RasterImage.GetSkewAngle() , RasterImage.NormalizeAngle() , RasterImage.NormalizeAngle(bool, Color) , RasterImage.Filter(Rectangle, FilterOptionsBase) , RasterImage.ReplaceColor(Color, byte, Color) , RasterImage.ReplaceColor(int, byte, int) , RasterImage.ReplaceNonTransparentColors(Color) , RasterImage.ReplaceNonTransparentColors(int) , RasterImage.ToBitmap() , RasterImage.PremultiplyComponents , RasterImage.UseRawData , RasterImage.UpdateXmpData , RasterImage.XmpData , RasterImage.RawIndexedColorConverter , RasterImage.RawCustomColorConverter , RasterImage.RawFallbackIndex , RasterImage.RawDataSettings , RasterImage.UsePalette , RasterImage.RawDataFormat , RasterImage.RawLineSize , RasterImage.IsRawDataAvailable , RasterImage.HorizontalResolution , RasterImage.VerticalResolution , RasterImage.HasTransparentColor , RasterImage.HasAlpha , RasterImage.TransparentColor , RasterImage.ImageOpacity , Image.CanLoad(string) , Image.CanLoad(string, LoadOptions) , Image.CanLoad(Stream) , Image.CanLoad(Stream, LoadOptions) , Image.Create(ImageOptionsBase, int, int) , Image.Create(Image[]) , Image.Create(MultipageCreateOptions) , Image.Create(string[], bool) , Image.Create(string[]) , Image.Create(Image[], bool) , Image.GetFileFormat(string) , Image.GetFileFormat(Stream) , Image.GetFittingRectangle(Rectangle, int, int) , Image.GetFittingRectangle(Rectangle, int[], int, int) , Image.Load(string, LoadOptions) , Image.Load(string) , Image.Load(Stream, LoadOptions) , Image.Load(Stream) , Image.GetProportionalWidth(int, int, int) , Image.GetProportionalHeight(int, int, int) , Image.RemoveMetadata() , Image.CanSave(ImageOptionsBase) , Image.Resize(int, int) , Image.Resize(int, int, ResizeType) , Image.Resize(int, int, ImageResizeSettings) , Image.GetDefaultOptions(object[]) , Image.GetOriginalOptions() , Image.ResizeWidthProportionally(int) , Image.ResizeHeightProportionally(int) , Image.ResizeWidthProportionally(int, ResizeType) , Image.ResizeHeightProportionally(int, ResizeType) , Image.ResizeWidthProportionally(int, ImageResizeSettings) , Image.ResizeHeightProportionally(int, ImageResizeSettings) , Image.RotateFlip(RotateFlipType) , Image.Rotate(float) , Image.Crop(Rectangle) , Image.Crop(int, int, int, int) , Image.Save() , Image.Save(string) , Image.Save(string, ImageOptionsBase) , Image.Save(string, ImageOptionsBase, Rectangle) , Image.Save(Stream, ImageOptionsBase) , Image.Save(Stream, ImageOptionsBase, Rectangle) , Image.GetSerializedStream(ImageOptionsBase, Rectangle, out int) , Image.SetPalette(IColorPalette, bool) , Image.BitsPerPixel , Image.Bounds , Image.Container , Image.Height , Image.Palette , Image.UsePalette , Image.Size , Image.Width , Image.InterruptMonitor , Image.BufferSizeHint , Image.AutoAdjustPalette , Image.HasBackgroundColor , Image.FileFormat , Image.BackgroundColor , DataStreamSupporter.CacheData() , DataStreamSupporter.Save() , DataStreamSupporter.Save(Stream) , DataStreamSupporter.Save(string) , DataStreamSupporter.Save(string, bool) , DataStreamSupporter.DataStreamContainer , DataStreamSupporter.IsCached , DisposableObject.Dispose() , DisposableObject.Disposed , object.GetType() , object.ToString() , object.Equals(object?) , object.Equals(object?, object?) , object.ReferenceEquals(object?, object?) , object.GetHashCode()
Examples
在 DICOM 压缩中更改颜色类型。
using (var inputImage = Image.Load("original.jpg"))
{
var options = new DicomOptions { ColorType = ColorType.Grayscale8Bit };
inputImage.Save("original_8Bit.dcm", options);
}在 DICOM 图像中使用 RLE 压缩。
using (var inputImage = Image.Load("original.jpg"))
{
var options = new DicomOptions
{
ColorType = ColorType.Rgb24Bit,
Compression = new Compression { Type = CompressionType.Rle }
};
inputImage.Save("original_RLE.dcm", options);
}在 DICOM 图像中使用 JPEG 2000 压缩。
using (var inputImage = Image.Load("original.jpg"))
{
var options = new DicomOptions
{
ColorType = ColorType.Rgb24Bit,
Compression = new Compression
{
Type = CompressionType.Jpeg2000,
Jpeg2000 = new Jpeg2000Options
{
Codec = Jpeg2000Codec.Jp2,
Irreversible = false
}
}
};
inputImage.Save("original_JPEG2000.dcm", options);
}在 DICOM 图像中使用 JPEG 压缩。
using (var inputImage = Image.Load("original.jpg"))
{
var options = new DicomOptions
{
ColorType = ColorType.Rgb24Bit,
Compression = new Compression
{
Type = CompressionType.Jpeg,
Jpeg = new JpegOptions
{
CompressionType = JpegCompressionMode.Baseline,
SampleRoundingMode = SampleRoundingMode.Truncate,
Quality = 50
}
}
};
inputImage.Save("original_JPEG.dcm", options);
}此示例显示如何从文件流中加载 DICOM 图像。
string dir = "c:\\temp\\";
// Load a DICOM image from a file stream.
using (System.IO.Stream stream = System.IO.File.OpenRead(dir + "sample.dicom"))
{
using (Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = new Aspose.Imaging.FileFormats.Dicom.DicomImage(stream))
{
// Save each page as an individual PNG image.
foreach (Aspose.Imaging.FileFormats.Dicom.DicomPage dicomPage in dicomImage.DicomPages)
{
// Generate a file name based on the page index.
string fileName = string.Format("sample.{0}.png", dicomPage.Index);
// A DICOM page is a raster image, so all allowed operations with a raster image are applicable to a DICOM page.
dicomPage.Save(dir + fileName, new Aspose.Imaging.ImageOptions.PngOptions());
}
}
}创建多页Dicom图像。
using (DicomImage image = (DicomImage)Image.Create(
new DicomOptions() { Source = new StreamSource(new MemoryStream()) },
100,
100))
{
// Draw something using vector graphics
Graphics graphics = new Graphics(image);
graphics.FillRectangle(new SolidBrush(Color.BlueViolet), image.Bounds);
graphics.FillRectangle(new SolidBrush(Color.Aqua), 10, 20, 50, 20);
graphics.FillEllipse(new SolidBrush(Color.Orange), 30, 50, 70, 30);
// Save the pixels of the drawn image. They are now on the first page of the Dicom image.
int[] pixels = image.LoadArgb32Pixels(image.Bounds);
// Add a few pages after, making them darker
for (int i = 1; i < 5; i++)
{
DicomPage page = image.AddPage();
page.SaveArgb32Pixels(page.Bounds, pixels);
page.AdjustBrightness(i * 30);
}
// Add a few pages in front of the main page, making them brighter
for (int i = 1; i < 5; i++)
{
DicomPage page = image.InsertPage(0);
page.SaveArgb32Pixels(page.Bounds, pixels);
page.AdjustBrightness(-i * 30);
}
// Save the created multi-page image to the output file
image.Save("MultiPage.dcm");
}Constructors
DicomImage(可口可乐, int, int)
与此无力启动DicomImage类的新例子建筑师,使用 dicomOptions 参数. 完美开发人员看将 Aspose.Imaging.FileFormats.Dicom.DicomImage 物体快速有效地沉浸在其项目中。
public DicomImage(DicomOptions dicomOptions, int width, int height)Parameters
dicomOptions DicomOptions
迪科的选项。
width int
宽度。
height int
身高。
DicomImage(流量, LoadOptions)
轻松启动DicomImage类的新例子,使用流和加载 这个构建器的选项参数 理想的开发者渴望开始與 Aspose.Imaging.FileFormats.Dicom.DicomImage 合作,在他們的項目中迅速有效地對象。
public DicomImage(Stream stream, LoadOptions loadOptions)Parameters
stream Stream
流的。
loadOptions LoadOptions
负载选项。
Examples
此示例显示如何从文件流中加载 DICOM 图像,以保持所指定的内存限制。
string dir = "c:\\temp\\";
// Load a DICOM image from a file stream.
using (System.IO.Stream stream = System.IO.File.OpenRead(dir + "multiframe.dicom"))
{
// The max allowed size for all internal buffers is 256KB.
Aspose.Imaging.LoadOptions loadOptions = new Aspose.Imaging.LoadOptions();
loadOptions.BufferSizeHint = 256 * 1024;
using (Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = new Aspose.Imaging.FileFormats.Dicom.DicomImage(stream, loadOptions))
{
// Save each page as an individual PNG image.
foreach (Aspose.Imaging.FileFormats.Dicom.DicomPage dicomPage in dicomImage.DicomPages)
{
// Generate a file name based on the page index.
string fileName = string.Format("multiframe.{0}.png", dicomPage.Index);
// A DICOM page is a raster image, so all allowed operations with a raster image are applicable to a DICOM page.
dicomPage.Save(dir + fileName, new Aspose.Imaging.ImageOptions.PngOptions());
}
}
}DicomImage(Stream)
使用流参数创建 DicomImage 类的新例子在这个建筑师. 完美的开发人员寻找一个顺利的方式来启动Aspose.Imaging.FileFormats.Dicom.DicomImage 对象来自其项目中的现有数据流。
public DicomImage(Stream stream)Parameters
stream Stream
流的。
Examples
此示例显示如何从文件流中加载 DICOM 图像。
string dir = "c:\\temp\\";
// Load a DICOM image from a file stream.
using (System.IO.Stream stream = System.IO.File.OpenRead(dir + "sample.dicom"))
{
using (Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = new Aspose.Imaging.FileFormats.Dicom.DicomImage(stream))
{
// Save each page as an individual PNG image.
foreach (Aspose.Imaging.FileFormats.Dicom.DicomPage dicomPage in dicomImage.DicomPages)
{
// Generate a file name based on the page index.
string fileName = string.Format("sample.{0}.png", dicomPage.Index);
// A DICOM page is a raster image, so all allowed operations with a raster image are applicable to a DICOM page.
dicomPage.Save(dir + fileName, new Aspose.Imaging.ImageOptions.PngOptions());
}
}
}Properties
ActivePage
用这种直观的属性管理图像的活跃页面 理想的开发人员试图在多页图像中在页面之间动态交换,确保有效导航和处理。
public DicomPage ActivePage { get; set; }财产价值
Exceptions
活跃页面无法设置,因为它属于另一个图像。
ActivePageIndex
用这个直观的属性无力地恢复活跃页面的索引。理想的开发人员在多页内寻求快速访问当前页面指数图像,确保有效的导航和处理。
public int ActivePageIndex { get; }财产价值
DicomPages
通过这个直观的属性访问图像的页面 理想的开发人员试图与图像内部的个人页面互动,确保无缝导航和操纵。
public DicomPage[] DicomPages { get; }财产价值
DicomPage ( )
FileFormat
用这个直观的属性轻松恢复文件格式值。开发人员寻求快速访问图像文件格式,确保有效根据文件类型处理和处理。
public override FileFormat FileFormat { get; }财产价值
FileInfo
从 DICOM 文件中轻松地获取有价值的标题信息直观的属性 理想的开发人员寻求快速访问必需细节在 DICOM 文件中嵌入,确保有效的数据提取和分析。
public DicomImageInfo FileInfo { get; }财产价值
HasAlpha
查找图像是否有一个阿尔法频道无力使用这个直观的理想的开发人员寻求确定图像是否包含透明度信息,确保在图像处理任务中精确处理阿尔法频道数据。
public override bool HasAlpha { get; }财产价值
PageCount
用这个直观的属性恢复图像的总页数。开发人员寻求快速访问图像中的页数,确保有效的导航和管理。
public override int PageCount { get; }财产价值
Pages
通过这个直观的属性访问图像的页面 理想的开发人员试图与图像内部的个人页面互动,确保无缝导航和操纵。
public override Image[] Pages { get; }财产价值
Image ( )
Methods
AddPage(RasterImage)
通过使用这个直观的方法添加一个新的页面来扩展图像收藏。理想的开发人员寻求动态添加页面到多页图像,确保图像内容的无缝扩展和组织。
public void AddPage(RasterImage page)Parameters
page RasterImage
添加的页面。
Exceptions
page’ is null.
AddPage()
通过这个简单的方法将新页面添加到图像页面列表的尽头。理想的开发人员寻求动态扩展多页图像,确保无线图像图像内容的整合和组织。
public DicomPage AddPage()Returns
新创建的 Aspose.Imaging.FileFormats.Dicom.DicomPage。
Examples
创建多页Dicom图像。
using (DicomImage image = (DicomImage)Image.Create(
new DicomOptions() { Source = new StreamSource(new MemoryStream()) },
100,
100))
{
// Draw something using vector graphics
Graphics graphics = new Graphics(image);
graphics.FillRectangle(new SolidBrush(Color.BlueViolet), image.Bounds);
graphics.FillRectangle(new SolidBrush(Color.Aqua), 10, 20, 50, 20);
graphics.FillEllipse(new SolidBrush(Color.Orange), 30, 50, 70, 30);
// Save the pixels of the drawn image. They are now on the first page of the Dicom image.
int[] pixels = image.LoadArgb32Pixels(image.Bounds);
// Add a few pages after, making them darker
for (int i = 1; i < 5; i++)
{
DicomPage page = image.AddPage();
page.SaveArgb32Pixels(page.Bounds, pixels);
page.AdjustBrightness(i * 30);
}
// Add a few pages in front of the main page, making them brighter
for (int i = 1; i < 5; i++)
{
DicomPage page = image.InsertPage(0);
page.SaveArgb32Pixels(page.Bounds, pixels);
page.AdjustBrightness(-i * 30);
}
// Save the created multi-page image to the output file
image.Save("MultiPage.dcm");
}AdjustBrightness(因特)
通过调整 brightness" 的图像亮度提高,这是一个系统化方法,允许开发人员精心调节图像的亮度。 这种用户友好的功能使开发人员能够无缝操纵图像亮度,提供灵活性和视觉美学的控制。
public override void AdjustBrightness(int brightness)Parameters
brightness int
光的价值。
Examples
下面的例子进行DICOM图像的亮度纠正。
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Set the brightness value. The accepted values of brightness are in the range [-255, 255].
dicomImage.AdjustBrightness(50);
dicomImage.Save(dir + "sample.AdjustBrightness.png", new Aspose.Imaging.ImageOptions.PngOptions());
}AdjustContrast(航海)
增强 Aspose.Imaging.Image 与此用户友好方法的对比,调节光和黑暗区域之间的差异,提高视觉清晰度和定义无力,为开发人员提供直观的控制图像对比,以获得最佳的 rendering。
public override void AdjustContrast(float contrast)Parameters
contrast float
对比值(在范围内(100;100)
Examples
下面的例子进行DICOM图像的对比纠正。
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Set the contrast value. The accepted values of contrast are in the range [-100f, 100f].
dicomImage.AdjustContrast(50f);
dicomImage.Save(dir + "sample.AdjustContrast.png", new Aspose.Imaging.ImageOptions.PngOptions());
}AdjustGamma(航海)
提高图像质量,并通过Gamma纠正调整图像,强大的技术精致的视觉外观. 适合开发者旨在优化图像呈现,调整颜色平衡,并确保各式各样的连续呈现设备和环境。
public override void AdjustGamma(float gamma)Parameters
gamma float
红色、绿色和蓝色频道的Gamma
Examples
下面的例子是DICOM图像的伽马修复。
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Set gamma coefficient for red, green and blue channels.
dicomImage.AdjustGamma(2.5f);
dicomImage.Save(dir + "sample.AdjustGamma.png", new Aspose.Imaging.ImageOptions.PngOptions());
}AdjustGamma(航海、航海、航海)
通过独立应用 Gamma 纠正来实现准确的颜色调整对图像的红色、绿色和蓝色组成部分,这种方法确保了准确的颜色平衡和最佳视觉产量,为寻找粒子的开发人员提供服务控制图像呈现和颜色准确性。
public override void AdjustGamma(float gammaRed, float gammaGreen, float gammaBlue)Parameters
gammaRed float
红频率的Gamma
gammaGreen float
绿色频道的Gamma
gammaBlue float
蓝色频道的Gamma
Examples
下面的例子进行DICOM图像的伽马修复,适用于颜色组件的不同坐标。
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Set individual gamma coefficients for red, green and blue channels.
dicomImage.AdjustGamma(1.5f, 2.5f, 3.5f);
dicomImage.Save(dir + "sample.AdjustGamma.png", new Aspose.Imaging.ImageOptions.PngOptions());
}BinarizeBradley(双重, int)
二元化图像与布拉德利的适应性边界算法,加热整合图像边界化为提高性能. 理想的开发人员寻求自动分类图像,基于当地亮度的变化,确保在不同照明条件下,对象的准确检测和提取。
public override void BinarizeBradley(double brightnessDifference, int windowSize)Parameters
brightnessDifference double
像素之间的亮度差异和像素的平均窗口 s x s 的差异聚集在这个像素周围。
windowSize int
这个像素周围集中的像素的 x s 窗口的尺寸
Examples
下面的例子二元化了一个DICOM图像与布拉德利的适应边界算法与指定的窗口大小。
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Binarize the image with a brightness difference of 5. The brightness is a difference between a pixel and the average of an 10 x 10 window of pixels centered around this pixel.
dicomImage.BinarizeBradley(5, 10);
dicomImage.Save(dir + "sample.BinarizeBradley5_10x10.png", new Aspose.Imaging.ImageOptions.PngOptions());
}BinarizeFixed(比特)
轻松地将图像转换为二进制格式,使用预先定义的边界这个简单的方法 理想的开发者想要简化图像处理任务,将图像分为前面和背景组件基于指定的强度水平。
public override void BinarizeFixed(byte threshold)Parameters
threshold byte
如果一个像素的相应灰色值超过边界值,则255 将被分配给它, 0 否则。
Examples
下面的例子二元化了一个DICOM图像与预先定义的边界。
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Binarize the image with a threshold value of 127.
// If a corresponding gray value of a pixel is greater than 127, a value of 255 will be assigned to it, 0 otherwise.
dicomImage.BinarizeFixed(127);
dicomImage.Save(dir + "sample.BinarizeFixed.png", new Aspose.Imaging.ImageOptions.PngOptions());
}BinarizeOtsu()
应用 Otsu 边界,以二元化图像,自动确定最佳基于图像的历史图的边界值. 适合开发人员寻找可靠的方法将图像分成前方和背景区域最小手动干预
public override void BinarizeOtsu()Examples
下面的例子二元化了一个DICOM图像与Otsu边界。二元化图像只包含2种颜色 - 黑色和白色。
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Binarize the image with Otsu thresholding.
dicomImage.BinarizeOtsu();
dicomImage.Save(dir + "sample.BinarizeOtsu.png", new Aspose.Imaging.ImageOptions.PngOptions());
}CacheData()
该方法有效地存储数据,优化性能,并确保快速访问理想的开发人员寻求提高他们的速度和效率通过智能管理数据资源的应用。
public override void CacheData()Examples
下面的示例显示如何隐藏DICOM图像的所有页面。
string dir = "c:\\temp\\";
// Load an image from a DICOM file.
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
// This call caches all the pages so that no additional data loading will be performed from the underlying data stream.
image.CacheData();
// Or you can cache the pages individually.
foreach (Aspose.Imaging.FileFormats.Dicom.DicomPage page in image.DicomPages)
{
page.CacheData();
}
}Crop(Rectangle)
种植图像去除不需要的区域,并专注于必需内容。简单的方法. 理想的开发人员寻求定制视觉组成图像,确保他们有效地传达所需的信息。
public override void Crop(Rectangle rectangle)Parameters
rectangle Rectangle
直角。
Examples
下面的例子种植了一个DICOM图像,种植区域通过Aspose.Imaging.Rectangle指定。
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Crop the image. The cropping area is the rectangular central area of the image.
Aspose.Imaging.Rectangle area = new Aspose.Imaging.Rectangle(dicomImage.Width / 4, dicomImage.Height / 4, dicomImage.Width / 2, dicomImage.Height / 2);
dicomImage.Crop(area);
// Save the cropped image to PNG
dicomImage.Save(dir + "sample.Crop.png", new Aspose.Imaging.ImageOptions.PngOptions());
}Crop(int , int , int , int , int)
通过使用这种多元化的方法应用图像的挖掘区域调整。适合需要精确控制收获过程的开发人员,确保重要细节保持,同时消除不必要的元素。
public override void Crop(int leftShift, int rightShift, int topShift, int bottomShift)Parameters
leftShift int
左转。
rightShift int
正确的转换。
topShift int
顶级转换。
bottomShift int
底部交换。
Examples
下面的例子种植了一个DICOM图像,种植区域通过左,顶,右,底边的边缘确定。
string dir = @"c:\temp\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Crop again. Set a margin of 10% of the image size.
int horizontalMargin = dicomImage.Width / 10;
int verticalMargin = dicomImage.Height / 10;
dicomImage.Crop(horizontalMargin, horizontalMargin, verticalMargin, verticalMargin);
// Save the cropped image to PNG.
dicomImage.Save(dir + "sample.Crop.png", new Aspose.Imaging.ImageOptions.PngOptions());
}Dither(DitheringMethod, int,IColorPalette)
通过使用此简单的Ditering效果来提高当前图像完美的开发者,旨在将结构和深度添加到图像,提高视觉质量和整体吸引力。
public override void Dither(DitheringMethod ditheringMethod, int bitsCount, IColorPalette customPalette)Parameters
ditheringMethod DitheringMethod
定位方法。
bitsCount int
最后的比特数为Ditering。
customPalette IColorPalette
可用于Ditering的配件。
Examples
下面的例子加载了一个DICOM图像,并使用不同的板块深度进行边界和流动直径。
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Perform threshold dithering using 4-bit color palette which contains 16 colors.
// The more bits specified the higher quality and the bigger size of the output image.
// Note that only 1-bit, 4-bit and 8-bit palettes are supported at the moment.
dicomImage.Dither(Aspose.Imaging.DitheringMethod.ThresholdDithering, 4, null);
dicomImage.Save(dir + "sample.ThresholdDithering4.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Perform floyd dithering using 1-bit color palette which contains only 2 colors - black and white.
// The more bits specified the higher quality and the bigger size of the output image.
// Note that only 1-bit, 4-bit and 8-bit palettes are supported at the moment.
dicomImage.Dither(Aspose.Imaging.DitheringMethod.FloydSteinbergDithering, 1, null);
dicomImage.Save(dir + "sample.FloydSteinbergDithering1.png", new Aspose.Imaging.ImageOptions.PngOptions());
}Filter(Rectangle, FilterOptions 基于)
无力地通过应用过滤器来增强图像的特定区域直角:这种方法为开发人员提供了准确的控制图像操纵,允许目标调整实现所需的视觉效果很容易。
public override void Filter(Rectangle rectangle, FilterOptionsBase options)Parameters
rectangle Rectangle
直角。
options FilterOptionsBase
选项的。
Examples
下面的例子适用于DICOM图像的各种类型的过滤器。
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Apply a median filter with a rectangle size of 5 to the entire image.
dicomImage.Filter(dicomImage.Bounds, new Aspose.Imaging.ImageFilters.FilterOptions.MedianFilterOptions(5));
dicomImage.Save(dir + "sample.MedianFilter.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Apply a bilateral smoothing filter with a kernel size of 5 to the entire image.
dicomImage.Filter(dicomImage.Bounds, new Aspose.Imaging.ImageFilters.FilterOptions.BilateralSmoothingFilterOptions(5));
dicomImage.Save(dir + "sample.BilateralSmoothingFilter.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Apply a Gaussian blur filter with a radius of 5 and a sigma value of 4.0 to the entire image.
dicomImage.Filter(dicomImage.Bounds, new Aspose.Imaging.ImageFilters.FilterOptions.GaussianBlurFilterOptions(5, 4.0));
dicomImage.Save(dir + "sample.GaussianBlurFilter.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Apply a Gauss-Wiener filter with a radius of 5 and a smooth value of 4.0 to the entire image.
dicomImage.Filter(dicomImage.Bounds, new Aspose.Imaging.ImageFilters.FilterOptions.GaussWienerFilterOptions(5, 4.0));
dicomImage.Save(dir + "sample.GaussWienerFilter.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Apply a motion wiener filter with a length of 5, a smooth value of 4.0 and an angle of 90.0 degrees to the entire image.
dicomImage.Filter(dicomImage.Bounds, new Aspose.Imaging.ImageFilters.FilterOptions.MotionWienerFilterOptions(10, 1.0, 90.0));
dicomImage.Save(dir + "sample.MotionWienerFilter.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Apply a sharpen filter with a kernel size of 5 and a sigma value of 4.0 to the entire image.
dicomImage.Filter(dicomImage.Bounds, new Aspose.Imaging.ImageFilters.FilterOptions.SharpenFilterOptions(5, 4.0));
dicomImage.Save(dir + "sample.SharpenFilter.png", new Aspose.Imaging.ImageOptions.PngOptions());
}Grayscale()
易于将图像转化为其灰色图像,简化视觉分析和处理任务. 适合开发人员寻求提高图像清晰度,减少复杂性,并促进基于格里斯卡的有效算法多种应用。
public override void Grayscale()Examples
下面的例子将彩色DICOM图像转化为其灰色图像,灰色图像仅由灰色的阴影组成,仅提供强度信息。
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
dicomImage.Grayscale();
dicomImage.Save(dir + "sample.Grayscale.png", new Aspose.Imaging.ImageOptions.PngOptions());
}InsertPage(因特)
在指定的索引中将新页面插入图像的页面列表中,使用此直观理想的开发人员寻求对页面安排的准确控制多页图像,确保无缝的组织和图像内容的定制。
public DicomPage InsertPage(int pageIndex)Parameters
pageIndex int
页面指数。
Returns
新创建的 Aspose.Imaging.FileFormats.Dicom.DicomPage。
Examples
创建多页Dicom图像。
using (DicomImage image = (DicomImage)Image.Create(
new DicomOptions() { Source = new StreamSource(new MemoryStream()) },
100,
100))
{
// Draw something using vector graphics
Graphics graphics = new Graphics(image);
graphics.FillRectangle(new SolidBrush(Color.BlueViolet), image.Bounds);
graphics.FillRectangle(new SolidBrush(Color.Aqua), 10, 20, 50, 20);
graphics.FillEllipse(new SolidBrush(Color.Orange), 30, 50, 70, 30);
// Save the pixels of the drawn image. They are now on the first page of the Dicom image.
int[] pixels = image.LoadArgb32Pixels(image.Bounds);
// Add a few pages after, making them darker
for (int i = 1; i < 5; i++)
{
DicomPage page = image.AddPage();
page.SaveArgb32Pixels(page.Bounds, pixels);
page.AdjustBrightness(i * 30);
}
// Add a few pages in front of the main page, making them brighter
for (int i = 1; i < 5; i++)
{
DicomPage page = image.InsertPage(0);
page.SaveArgb32Pixels(page.Bounds, pixels);
page.AdjustBrightness(-i * 30);
}
// Save the created multi-page image to the output file
image.Save("MultiPage.dcm");
}Exceptions
pageIndex’ is out of range.
ReleaseManagedResources()
释放管理的资源. 确保没有未管理的资源在这里释放,因为它们可能已经已经释放了
protected override void ReleaseManagedResources()RemovePage(因特)
用此方便的方法从页面列表中删除指定的索引页面。理想的开发人员寻求对多页图像管理的准确控制,确保无缝的组织和图像内容的定制。
public void RemovePage(int pageIndex)Parameters
pageIndex int
页面指数。
Exceptions
pageIndex’ is out of range.
Resize(int , int , resizeType)
用这个简单的方法调整图像的尺寸 理想的开发人员寻找动态重振图像,确保它们无缝适应各种背景和布局在他们的应用中。
public override void Resize(int newWidth, int newHeight, ResizeType resizeType)Parameters
newWidth int
新的宽度。
newHeight int
新高度。
resizeType ResizeType
回归类型。
Examples
这个例子加载了一个DICOM图像,并使用各种重复方法重新编辑它。
string dir = "c:\\temp\\";
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
// Scale up by 2 times using Nearest Neighbour resampling.
image.Resize(image.Width* 2, image.Height* 2, Aspose.Imaging.ResizeType.NearestNeighbourResample);
// Save to PNG with default options.
image.Save(dir + "upsample.nearestneighbour.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
// Scale down by 2 times using Nearest Neighbour resampling.
image.Resize(image.Width / 2, image.Height / 2, Aspose.Imaging.ResizeType.NearestNeighbourResample);
// Save to PNG with default options.
image.Save(dir + "downsample.nearestneighbour.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
// Scale up by 2 times using Bilinear resampling.
image.Resize(image.Width* 2, image.Height* 2, Aspose.Imaging.ResizeType.BilinearResample);
// Save to PNG with default options.
image.Save(dir + "upsample.bilinear.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
// Scale down by 2 times using Bilinear resampling.
image.Resize(image.Width / 2, image.Height / 2, Aspose.Imaging.ResizeType.BilinearResample);
// Save to PNG with default options.
image.Save(dir + "downsample.bilinear.png", new Aspose.Imaging.ImageOptions.PngOptions());
}Resize(int , int , ImageResizeSettings)
用这个简单的重复方法调整图像的尺寸。缩小或扩展您的图像,此功能确保您的重复需求得到满足有效和准确,使其完美开发者寻找快速和轻松图像尺寸调整
public override void Resize(int newWidth, int newHeight, ImageResizeSettings settings)Parameters
newWidth int
新的宽度。
newHeight int
新高度。
settings ImageResizeSettings
重新设置。
Examples
此示例加载了 DICOM 图像,并使用各种重复设置重复图像。
string dir = "c:\\temp\\";
Aspose.Imaging.ImageResizeSettings resizeSettings = new Aspose.Imaging.ImageResizeSettings();
// The adaptive algorithm based on weighted and blended rational function and lanczos3 interpolation.
resizeSettings.Mode = Aspose.Imaging.ResizeType.AdaptiveResample;
// The small rectangular filter
resizeSettings.FilterType = Aspose.Imaging.ImageFilterType.SmallRectangular;
// The number of colors in the palette.
resizeSettings.EntriesCount = 256;
// The color quantization is not used
resizeSettings.ColorQuantizationMethod = ColorQuantizationMethod.None;
// The euclidian method
resizeSettings.ColorCompareMethod = ColorCompareMethod.Euclidian;
using (Aspose.Imaging.Image image = (Aspose.Imaging.Image)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = (Aspose.Imaging.FileFormats.Dicom.DicomImage)image;
// Scale down by 2 times using adaptive resampling.
dicomImage.Resize(image.Width / 2, image.Height / 2, resizeSettings);
// Save to PNG
dicomImage.Save(dir + "downsample.adaptive.png", new Aspose.Imaging.ImageOptions.PngOptions());
}ResizeHeightProportionally(重定向,重定向)
调整图像的高度,同时保持其视角比例与此用户友好的方法. 适合开发人员寻求动态重建图像同时保持其比例,确保最佳显示和可用性在他们的应用中。
public override void ResizeHeightProportionally(int newHeight, ResizeType resizeType)Parameters
newHeight int
新高度。
resizeType ResizeType
回归的类型。
Examples
这个例子加载了一个DICOM图像,并使用不同的重复方法相对重复它,只有高度被指定,宽度自动计算。
string dir = "c:\\temp\\";
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
// Scale up by 2 times using Nearest Neighbour resampling.
image.ResizeHeightProportionally(image.Height* 2, Aspose.Imaging.ResizeType.NearestNeighbourResample);
// Save to PNG with the default options.
image.Save(dir + "upsample.nearestneighbour.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
// Scale down by 2 times using Nearest Neighbour resampling.
image.ResizeHeightProportionally(image.Height / 2, Aspose.Imaging.ResizeType.NearestNeighbourResample);
// Save to PNG with the default options.
image.Save(dir + "downsample.nearestneighbour.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
// Scale up by 2 times using Bilinear resampling.
image.ResizeHeightProportionally(image.Height* 2, Aspose.Imaging.ResizeType.BilinearResample);
// Save to PNG with the default options.
image.Save(dir + "upsample.bilinear.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
// Scale down by 2 times using Bilinear resampling.
image.ResizeHeightProportionally(image.Height / 2, Aspose.Imaging.ResizeType.BilinearResample);
// Save to PNG with the default options.
image.Save(dir + "downsample.bilinear.png", new Aspose.Imaging.ImageOptions.PngOptions());
}ResizeProportional(int , int , resizeType)
以此方便的方法保持相似之处的图像重定向,理想开发人员寻求调整图像尺寸的比例,确保一致性,并保留原始内容的比例。
public void ResizeProportional(int newWidth, int newHeight, ResizeType resizeType)Parameters
newWidth int
新的宽度。
newHeight int
新高度。
resizeType ResizeType
回归类型。
ResizeWidthProportionally(重定向,重定向)
调整图像的宽度,同时保持其视角比例与此方便理想的开发人员寻求对图像进行比例重定向,确保在不同的显示环境中,一致和视觉上有吸引力的结果。
public override void ResizeWidthProportionally(int newWidth, ResizeType resizeType)Parameters
newWidth int
新的宽度。
resizeType ResizeType
回归的类型。
Examples
这个例子加载了一个DICOM图像,并使用不同的重复方法相对重复它,只有宽度被指定,高度自动计算。
string dir = "c:\\temp\\";
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
// Scale up by 2 times using Nearest Neighbour resampling.
image.ResizeWidthProportionally(image.Width* 2, Aspose.Imaging.ResizeType.NearestNeighbourResample);
// Save to PNG with the default options.
image.Save(dir + "upsample.nearestneighbour.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
// Scale down by 2 times using Nearest Neighbour resampling.
image.ResizeWidthProportionally(image.Width / 2, Aspose.Imaging.ResizeType.NearestNeighbourResample);
// Save to PNG with the default options.
image.Save(dir + "downsample.nearestneighbour.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
// Scale up by 2 times using Bilinear resampling.
image.ResizeWidthProportionally(image.Width* 2, Aspose.Imaging.ResizeType.BilinearResample);
// Save to PNG with the default options.
image.Save(dir + "upsample.bilinear.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
// Scale down by 2 times using Bilinear resampling.
image.ResizeWidthProportionally(image.Width / 2, Aspose.Imaging.ResizeType.BilinearResample);
// Save to PNG with the default options.
image.Save(dir + "downsample.bilinear.png", new Aspose.Imaging.ImageOptions.PngOptions());
}Rotate(彩色 , 彩色 , 彩色)
用这个方便的方法旋转图像周围的中心。试图动态调整图像导向,确保最佳呈现和在其应用中调整。
public override void Rotate(float angle, bool resizeProportionally, Color backgroundColor)Parameters
angle float
旋转的角度在度,积极的值会旋转时钟。
resizeProportionally bool
如果设置为“真实”,您的图像大小将根据旋转直角(角点)的图像在其他情况下,留下尺寸无触摸,只有内部图像内容被旋转。
backgroundColor Color
背景的颜色。
Examples
此示例显示如何旋转 DICOM 图像的所有页面,并将所有页面保存到多框 TIFF 图像。
string dir = "c:\\temp\\";
// Load a DICOM image from a file stream.
using (System.IO.Stream stream = System.IO.File.OpenRead(dir + "multiframe.dicom"))
{
using (Aspose.Imaging.FileFormats.Dicom.DicomImage dicomImage = new Aspose.Imaging.FileFormats.Dicom.DicomImage(stream))
{
// Rotate the image around the center by 60 degrees clockwise.
// Use gray as the background color.
dicomImage.Rotate(60, true, Aspose.Imaging.Color.Gray);
Aspose.Imaging.ImageOptions.TiffOptions createOptions = new Aspose.Imaging.ImageOptions.TiffOptions(Imaging.FileFormats.Tiff.Enums.TiffExpectedFormat.Default);
createOptions.Compression = Aspose.Imaging.FileFormats.Tiff.Enums.TiffCompressions.Deflate;
// Note that if the image is colorful, it will be automatically converted to the grayscale format according to the options below
createOptions.Photometric = Aspose.Imaging.FileFormats.Tiff.Enums.TiffPhotometrics.MinIsBlack;
createOptions.BitsPerSample = new ushort[] { 8 };
// Create an array of TIFF frames.
// The number of the frames is equal to the number of the DJVU pages.
Aspose.Imaging.FileFormats.Tiff.TiffFrame[] tiffFrames = new Aspose.Imaging.FileFormats.Tiff.TiffFrame[dicomImage.DicomPages.Length];
// Save each page as an individual TIFF frame.
foreach (Aspose.Imaging.FileFormats.Dicom.DicomPage dicomPage in dicomImage.DicomPages)
{
// Create a TIFF frame based on the DICOM page.
tiffFrames[dicomPage.Index] = new Aspose.Imaging.FileFormats.Tiff.TiffFrame(dicomPage, createOptions);
}
// Compose a TIFF image from the frames.
using (Aspose.Imaging.FileFormats.Tiff.TiffImage tiffImage = new Aspose.Imaging.FileFormats.Tiff.TiffImage(tiffFrames))
{
// Save to a file.
tiffImage.Save(dir + "multiframe.tif");
}
}
}RotateFlip(RotateFlipType)
轻松操作活跃框架,旋转、滑动或执行两项操作同時與這個簡單的方法. 理想的開發人員需要动态调整图像序列内的特定框架的方向,确保最佳的呈现和调整。
public override void RotateFlip(RotateFlipType rotateFlipType)Parameters
rotateFlipType RotateFlipType
旋转的Flip类型。
Examples
此示例加载 DICOM 图像,以 90 度的时钟向旋转,并可选地垂直和(或)垂直滑动图像。
string dir = "c:\\temp\\";
Aspose.Imaging.RotateFlipType[] rotateFlipTypes = new Aspose.Imaging.RotateFlipType[]
{
Aspose.Imaging.RotateFlipType.Rotate90FlipNone,
Aspose.Imaging.RotateFlipType.Rotate90FlipX,
Aspose.Imaging.RotateFlipType.Rotate90FlipXY,
Aspose.Imaging.RotateFlipType.Rotate90FlipY,
};
foreach (Aspose.Imaging.RotateFlipType rotateFlipType in rotateFlipTypes)
{
// Rotate, flip and save to the output file.
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
image.RotateFlip(rotateFlipType);
image.Save(dir + "sample." + rotateFlipType + ".png", new Aspose.Imaging.ImageOptions.PngOptions());
}
}Save(流, ImageOptionsBase, 直角)
轻松地将图像数据存储到所需文件格式中的特定流使用此方便的方法. 无论您是否使用 JPEG、PNG 或其他格式,此功能确保您的图像数据以有效和准确的方式存储,使其理想的开发人员寻求简化他们的文件保存过程。
public override void Save(Stream stream, ImageOptionsBase optionsBase, Rectangle boundsRectangle)Parameters
stream Stream
流以保存图像的数据。
optionsBase ImageOptionsBase
储蓄选项。
boundsRectangle Rectangle
目的地图像限制直角 设置空直角使用源界限。
Examples
下面的例子从文件中加载 DICOM 图像,然后将图像保存到 PNG 文件流。
string dir = "c:\\temp\\";
using (Aspose.Imaging.FileFormats.Dicom.DicomImage image = (Aspose.Imaging.FileFormats.Dicom.DicomImage)Aspose.Imaging.Image.Load(dir + "sample.dicom"))
{
Aspose.Imaging.ImageOptions.PngOptions saveOptions = new Aspose.Imaging.ImageOptions.PngOptions();
Aspose.Imaging.Rectangle bounds = new Aspose.Imaging.Rectangle(0, 0, image.Width / 2, image.Height / 2);
using (System.IO.Stream outputStream = System.IO.File.Open(dir + "output.png", System.IO.FileMode.Create))
{
// Save the upper-left quarter of the image to a file stream.
image.Save(outputStream, saveOptions, bounds);
}
}SaveAll(字符串, ImageOptionsBase)
保存对象的数据,将其存储到指定的文件(指标 + 文件名)位置以及指定的文件格式和选项. 理想的开发人员寻求安全存储不同格式的数据,同时保持灵活性和控制节约参数
public void SaveAll(string filePath, ImageOptionsBase options)Parameters
filePath string
文件路径。
options ImageOptionsBase
选项的。
SaveData(Stream)
保存数据。
protected override void SaveData(Stream stream)Parameters
stream Stream
流来保存数据。
SetResolution(双,双)
使用此 Aspose.Imaging.RasterImage 的分辨率准确调整简单的方法. 理想的开发人员寻求调整图像分辨率具体要求,确保最佳显示质量和文件大小管理。
public override void SetResolution(double dpiX, double dpiY)Parameters
dpiX double
垂直分辨率,每英寸点,的Aspose.Imaging.RasterImage。
dpiY double
垂直分辨率,每英寸点,的Aspose.Imaging.RasterImage。
UpdateDimensions(int , int , int)
更新图像尺寸。
protected override void UpdateDimensions(int newWidth, int newHeight)Parameters
newWidth int
新图像宽度。
newHeight int
新图像高度。
