Leadtools.ImageProcessing.Core Namespace : ApplyModalityLookupTableCommand Class |
public class ApplyModalityLookupTableCommand : Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand
'Declaration Public Class ApplyModalityLookupTableCommand Inherits Leadtools.ImageProcessing.RasterCommand Implements Leadtools.ImageProcessing.IRasterCommand
'Usage Dim instance As ApplyModalityLookupTableCommand
public sealed class ApplyModalityLookupTableCommand : Leadtools.ImageProcessing.IRasterCommand
function Leadtools.ImageProcessing.Core.ApplyModalityLookupTableCommand()
public ref class ApplyModalityLookupTableCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand
In Silverlight and Windows Phone versions of LEADTOOLS, this image processing command will fail if the image data for the RasterImage object is stored internally using a Silverlight WriteableBitmap object. For more information, refer to Image Processing Command Limitations in Silverlight.
Public Sub ApplyModalityLookupTableCommandExample() Dim codecs As New RasterCodecs() codecs.ThrowExceptionsOnInvalidImages = True Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "IMAGE2.dcm")) ' Prepare the command Dim i As Integer Dim pLookupTable() As Short ReDim pLookupTable(65535) Dim LookupTableDescriptor As DicomLookupTableDescriptor = New DicomLookupTableDescriptor ' set a LookupTable which reduces the intensity of each pixel to half For i = 0 To 65535 pLookupTable(i) = CType(i \ 2, Int16) Next ' fill the LookupTableDescriptor object LookupTableDescriptor.FirstStoredPixelValueMapped = 0 LookupTableDescriptor.EntryBits = 16 ' apply the LookupTable Dim command As ApplyModalityLookupTableCommand = New ApplyModalityLookupTableCommand command.Flags = ModalityLookupTableCommandFlags.None command.LookupTable = pLookupTable command.LookupTableDescriptor = LookupTableDescriptor command.Run(leadImage) End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
public void ApplyModalityLookupTableCommandExample() { // Load an image RasterCodecs codecs = new RasterCodecs(); codecs.ThrowExceptionsOnInvalidImages = true; RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "IMAGE2.dcm")); // Prepare the command int i; short[] pLookupTable = new short[0x10000]; DicomLookupTableDescriptor LookupTableDescriptor = new DicomLookupTableDescriptor(); // set a LookupTable which reduces the intensity of each pixel to half for(i = 0; i <= 0xFFFF; i++) pLookupTable[i] = (short)(i / 2); // fill the LookupTableDescriptor object LookupTableDescriptor.FirstStoredPixelValueMapped = 0; LookupTableDescriptor.EntryBits = 16; // apply the LookupTable ApplyModalityLookupTableCommand command = new ApplyModalityLookupTableCommand(); command.Flags = ModalityLookupTableCommandFlags.None; command.LookupTable = pLookupTable; command.LookupTableDescriptor = LookupTableDescriptor; command.Run(image); } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; }
function ApplyModalityLookupTableCommandExample() { var codecs = new Leadtools.Codecs.RasterCodecs(); codecs.throwExceptionsOnInvalidImages = true; // Load the image var srcFileName = "Assets\\Image2.dcm"; return Tools.AppInstallFolder().getFileAsync(srcFileName).then(function (loadFile) { return codecs.loadAsync(Leadtools.LeadStreamFactory.create(loadFile)); }).then(function (image){ with (Leadtools.ImageProcessing.Core) { // Prepare the command var i; var pLookupTable = new Array();; var LookupTableDescriptor = new DicomLookupTableDescriptor(); // set a LookupTable which reduces the intensity of each pixel to half for(i = 0; i <= 0xFFFF; i++) pLookupTable[i] = parseInt(i / 2); // fill the LookupTableDescriptor object LookupTableDescriptor.firstStoredPixelValueMapped = 0; LookupTableDescriptor.entryBits = 16; // apply the LookupTable var command = new ApplyModalityLookupTableCommand(); command.flags = ModalityLookupTableCommandFlags.none; command.lookupTable = pLookupTable; command.lookupTableDescriptor = LookupTableDescriptor; command.run(image); } }); }
[TestMethod] public async Task ApplyModalityLookupTableCommandExample() { // Load an image RasterCodecs codecs = new RasterCodecs(); codecs.ThrowExceptionsOnInvalidImages = true; // Load the image string srcFileName = @"Assets\Image2.dcm"; StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName); RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile)); // Prepare the command int i; short[] pLookupTable = new short[0x10000]; DicomLookupTableDescriptor LookupTableDescriptor = new DicomLookupTableDescriptor(); // set a LookupTable which reduces the intensity of each pixel to half for(i = 0; i <= 0xFFFF; i++) pLookupTable[i] = (short)(i / 2); // fill the LookupTableDescriptor object LookupTableDescriptor.FirstStoredPixelValueMapped = 0; LookupTableDescriptor.EntryBits = 16; // apply the LookupTable ApplyModalityLookupTableCommand command = new ApplyModalityLookupTableCommand(); command.Flags = ModalityLookupTableCommandFlags.None; command.LookupTable = pLookupTable; command.LookupTableDescriptor = LookupTableDescriptor; command.Run(image); }
public void ApplyModalityLookupTableCommandExample(RasterImage image, Stream outStream) { // Prepare the command int i; short[] pLookupTable = new short[0x10000]; DicomLookupTableDescriptor LookupTableDescriptor = new DicomLookupTableDescriptor(); // set a LookupTable which reduces the intensity of each pixel to half for (i = 0; i <= 0xFFFF; i++) pLookupTable[i] = (short)(i / 2); // fill the LookupTableDescriptor object LookupTableDescriptor.FirstStoredPixelValueMapped = 0; LookupTableDescriptor.EntryBits = 16; // apply the LookupTable ApplyModalityLookupTableCommand command = new ApplyModalityLookupTableCommand(); command.Flags = ModalityLookupTableCommandFlags.None; command.LookupTable = pLookupTable; command.LookupTableDescriptor = LookupTableDescriptor; command.Run(image); // Save result image RasterCodecs codecs = new RasterCodecs(); codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24); image.Dispose(); }
Public Sub ApplyModalityLookupTableCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
' Prepare the command
Dim i As Integer
Dim pLookupTable As Short() = New Short(&H10000 - 1){}
Dim LookupTableDescriptor As DicomLookupTableDescriptor = New DicomLookupTableDescriptor()
' set a LookupTable which reduces the intensity of each pixel to half
i = 0
Do While i <= &HFFFF
pLookupTable(i) = CShort(i / 2)
i += 1
Loop
' fill the LookupTableDescriptor object
LookupTableDescriptor.FirstStoredPixelValueMapped = 0
LookupTableDescriptor.EntryBits = 16
' apply the LookupTable
Dim command As ApplyModalityLookupTableCommand = New ApplyModalityLookupTableCommand()
command.Flags = ModalityLookupTableCommandFlags.None
command.LookupTable = pLookupTable
command.LookupTableDescriptor = LookupTableDescriptor
command.Run(image)
' Save result image
Dim codecs As RasterCodecs = New RasterCodecs()
codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24)
image.Dispose()
End Sub
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
ApplyModalityLookupTableCommand Members
Leadtools.ImageProcessing.Core Namespace
Changing Brightness and Contrast
Leadtools.ImageProcessing.Color.RemapIntensityCommand
ApplyLinearModalityLookupTableCommand Class
ApplyVoiLookupTableCommand Class
ApplyLinearVoiLookupTableCommand Class
Leadtools.ImageProcessing.Color.AdjustTintCommand
Leadtools.ImageProcessing.Color.GammaCorrectExtendedCommand