Leadtools.ImageProcessing.Core Namespace : ApplyVoiLookupTableCommand Class |
public class ApplyVoiLookupTableCommand : Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand
'Declaration Public Class ApplyVoiLookupTableCommand Inherits Leadtools.ImageProcessing.RasterCommand Implements Leadtools.ImageProcessing.IRasterCommand
'Usage Dim instance As ApplyVoiLookupTableCommand
public sealed class ApplyVoiLookupTableCommand : Leadtools.ImageProcessing.IRasterCommand
function Leadtools.ImageProcessing.Core.ApplyVoiLookupTableCommand()
public ref class ApplyVoiLookupTableCommand : 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 ApplyVoiLookupTableCommandExample() 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(65536) Dim LookupTableDescriptor As DicomLookupTableDescriptor = New DicomLookupTableDescriptor For i = 0 To 65536 If (i < 30) Then pLookupTable(i) = 0 Else If (i > 630) Then pLookupTable(i) = 630 Else pLookupTable(i) = CType(i, Int16) End If End If Next ' fill the LookupTableDescriptor object LookupTableDescriptor.FirstStoredPixelValueMapped = 0 LookupTableDescriptor.EntryBits = 16 Dim command As ApplyVoiLookupTableCommand = New ApplyVoiLookupTableCommand command.Flags = VoiLookupTableCommandFlags.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 ApplyVoiLookupTableCommandExample() { // 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(); for(i = 0; i < 0x10000; i++) { if(i < 30) { pLookupTable[i] = 0; } else if(i > 630) pLookupTable[i] = 630; else pLookupTable[i] = (short)i; } // fill the LookupTableDescriptor object LookupTableDescriptor.FirstStoredPixelValueMapped = 0; LookupTableDescriptor.EntryBits = 16; ApplyVoiLookupTableCommand command = new ApplyVoiLookupTableCommand(); command.Flags = VoiLookupTableCommandFlags.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 ApplyVoiLookupTableCommandExample() { 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){ // Prepare the command with (Leadtools.ImageProcessing.Core) { // Prepare the command var i; var pLookupTable = new Array();; var LookupTableDescriptor = new DicomLookupTableDescriptor(); for(i = 0; i < 0x10000; i++) { if(i < 30) { pLookupTable[i] = 0; } else if(i > 630) pLookupTable[i] = 630; else pLookupTable[i] = parseInt(i); } // fill the LookupTableDescriptor object LookupTableDescriptor.firstStoredPixelValueMapped = 0; LookupTableDescriptor.entryBits = 16; var command = new ApplyVoiLookupTableCommand(); command.flags = VoiLookupTableCommandFlags.none; command.lookupTable = pLookupTable; command.lookupTableDescriptor = LookupTableDescriptor; command.run(image); } }); }
[TestMethod] public async Task ApplyVoiLookupTableCommandExample() { // 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(); for(i = 0; i < 0x10000; i++) { if(i < 30) { pLookupTable[i] = 0; } else if(i > 630) pLookupTable[i] = 630; else pLookupTable[i] = (short)i; } // fill the LookupTableDescriptor object LookupTableDescriptor.FirstStoredPixelValueMapped = 0; LookupTableDescriptor.EntryBits = 16; ApplyVoiLookupTableCommand command = new ApplyVoiLookupTableCommand(); command.Flags = VoiLookupTableCommandFlags.None; command.LookupTable = pLookupTable; command.LookupTableDescriptor = LookupTableDescriptor; command.Run(image); }
public void ApplyVoiLookupTableCommandExample(RasterImage image, Stream outStream) { // Prepare the command int i; short[] pLookupTable = new short[0x10000]; DicomLookupTableDescriptor LookupTableDescriptor = new DicomLookupTableDescriptor(); for(i = 0; i < 0x10000; i++) { if(i < 30) { pLookupTable[i] = 0; } else if(i > 630) pLookupTable[i] = 630; else pLookupTable[i] = (short)i; } // fill the LookupTableDescriptor object LookupTableDescriptor.FirstStoredPixelValueMapped = 0; LookupTableDescriptor.EntryBits = 16; ApplyVoiLookupTableCommand command = new ApplyVoiLookupTableCommand(); command.Flags = VoiLookupTableCommandFlags.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 ApplyVoiLookupTableCommandExample(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()
i = 0
Do While i < &H10000
If i < 30 Then
pLookupTable(i) = 0
Else
If i > 630 Then
pLookupTable(i) = 630
Else
pLookupTable(i) = CShort(i)
End If
End If
i += 1
Loop
' fill the LookupTableDescriptor object
LookupTableDescriptor.FirstStoredPixelValueMapped = 0
LookupTableDescriptor.EntryBits = 16
Dim command As ApplyVoiLookupTableCommand = New ApplyVoiLookupTableCommand()
command.Flags = VoiLookupTableCommandFlags.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
ApplyVoiLookupTableCommand Members
Leadtools.ImageProcessing.Core Namespace
Changing Brightness and Contrast
ApplyLinearVoiLookupTableCommand Class
Leadtools.ImageProcessing.Color.RemapIntensityCommand
ApplyModalityLookupTableCommand Class
ApplyLinearModalityLookupTableCommand Class
Leadtools.ImageProcessing.Color.AdjustTintCommand
Leadtools.ImageProcessing.Color.GammaCorrectExtendedCommand