LEADTOOLS画像処理(Leadtools.ImageProcessing.Colorアセンブリ)

フレームを表示

RemapIntensityCommandクラス








メンバ 
imageの明度値を変更するために、ルックアップテーブルを使います。赤いか、緑であるか、青であるか、全くカラーチャネルに、変更を適用することができます。
オブジェクトモデル
構文
'Declaration
 
Public Class RemapIntensityCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand 
'Usage
 
Dim instance As RemapIntensityCommand
public sealed class RemapIntensityCommand : Leadtools.ImageProcessing.IRasterCommand  
@interface LTRemapIntensityCommand : LTRasterCommand
public class RemapIntensityCommand extends RasterCommand
function Leadtools.ImageProcessing.Color.RemapIntensityCommand()
解説
詳細については、「明度とコントラストの変更」を参照してください。
サンプル

imageの上でRemapIntensityCommandを実行します。

Copy Code  
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing
Imports Leadtools.ImageProcessing.Color
Imports Leadtools.ImageProcessing.Effects

   
Public Sub RemapIntensityCommandExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample5.cmp"))

   ' Prepare the command
   'This example will darken loaded image by using lookup table affected by exponential function.
   Dim LookupTable() As Integer ' Array to hold lookup table.
   ReDim LookupTable(255)

   'Get Lookup table where the array calculated by the linear function for all the items of the array is from 0 - 255.
   LookupTable(0) = 255
   LookupTable(255) = 0

   EffectsUtilities.GetFunctionalLookupTable(LookupTable, 0, 255, 5, FunctionalLookupTableFlags.Linear)

   Dim command As RemapIntensityCommand = New RemapIntensityCommand
   command.Flags = RemapIntensityCommandFlags.Master
   command.LookupTable = LookupTable

   command.Run(leadImage)
   codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24)

End Sub

Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Color;
using Leadtools.ImageProcessing.Effects;

      
public void RemapIntensityCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample5.cmp"));

   // Prepare the command
   //This example will darken loaded image by using lookup table affected by exponential function.
   int[] LookupTable = new int[256]; // Array to hold lookup table.

   //Get Lookup table where the array calculated by the linear function for all the items of the array is from 0 - 255.
   LookupTable[0] = 255;
   LookupTable[255] = 0; 

   EffectsUtilities.GetFunctionalLookupTable(LookupTable, 0, 255, 5, FunctionalLookupTableFlags.Linear);

   RemapIntensityCommand command = new RemapIntensityCommand();
   command.Flags = RemapIntensityCommandFlags.Master;
   command.LookupTable = LookupTable;
   command.Run(image);
   codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24);

}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Color;
using Leadtools.ImageProcessing.Effects;

      
public async Task RemapIntensityCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   // Load the image
   string srcFileName = @"Assets\Image1.cmp";
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   // Prepare the command
   //This example will darken loaded image by using lookup table affected by exponential function.
   int[] LookupTable = new int[256]; // Array that contains the initialized lookup table.

   //Get Lookup table where the array calculated by the linear function for all the items of the array is from 0 - 255.
   LookupTable[0] = 255;
   LookupTable[255] = 0;

   int[] retLookupTable = EffectsUtilities.GetFunctionalLookupTable(LookupTable, 0, 255, 5, FunctionalLookupTableFlags.Linear);

   RemapIntensityCommand command = new RemapIntensityCommand();
   command.Flags = RemapIntensityCommandFlags.Master;
   command.LookupTable = retLookupTable;
   command.Run(image);

   string destFileName = @"result.jpg";
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName);
   await codecs.SaveAsync(image, LeadStreamFactory.Create(saveFile), RasterImageFormat.Jpeg, 0);
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Color;
using Leadtools.ImageProcessing.Effects;
using Leadtools.Examples;

public void RemapIntensityCommandExample(RasterImage image, Stream outStream)
{
   // Prepare the command
   //This example will darken loaded image by using lookup table affected by exponential function.
   int[] LookupTable = new int[256]; // Array to hold lookup table.
   //Get Lookup table where the array calculated by the linear function for all the items of the array is from 0 - 255.
   LookupTable[0] = 255;
   LookupTable[255] = 0;

   EffectsUtilities.GetFunctionalLookupTable(LookupTable, 0, 255, 5, FunctionalLookupTableFlags.Linear);
   RemapIntensityCommand command = new RemapIntensityCommand();
   command.Flags = RemapIntensityCommandFlags.Master;
   command.LookupTable = LookupTable;
   command.Run(image);

   // Save result image
   RasterCodecs codecs = new RasterCodecs();
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24);
   image.Dispose();
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing
Imports Leadtools.ImageProcessing.Color
Imports Leadtools.ImageProcessing.Effects

Public Sub RemapIntensityCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   'This example will darken loaded image by using lookup table affected by exponential function.
   Dim LookupTable As Integer() = New Integer(255){} ' Array to hold lookup table.
   'Get Lookup table where the array calculated by the linear function for all the items of the array is from 0 - 255.
   LookupTable(0) = 255
   LookupTable(255) = 0

   EffectsUtilities.GetFunctionalLookupTable(LookupTable, 0, 255, 5, FunctionalLookupTableFlags.Linear)
   Dim command As RemapIntensityCommand = New RemapIntensityCommand()
   command.Flags = RemapIntensityCommandFlags.Master
   command.LookupTable = LookupTable
   command.Run(image)

   ' Save result image
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24)
   image.Dispose()
End Sub
必要条件

ターゲットプラットホーム

参照

参照

RemapIntensityCommandメンバ
Leadtools.ImageProcessing.Color名前空間
明度とコントラストの変更
Leadtools.ImageProcessing.RasterColorChannel
Leadtools.ImageProcessing.RasterColorChannel
Leadtools.ImageProcessing.Effects.EffectsUtilities.GetUserLookupTable(System.Int32[]、Leadtools.LeadPoint[])
Leadtools.ImageProcessing.Effects.EffectsUtilities.GetFunctionalLookupTable(System.Int32[]、System.Int32、System.Int32、System.Int32、Leadtools.ImageProcessing.Effects.FunctionalLookupTableFlags)
ChangeIntensityCommandクラス
GammaCorrectCommandクラス
ChangeContrastCommandクラス
HistogramContrastCommandクラス
StretchIntensityCommandクラス
InvertCommandクラス
ChangeHueCommandクラス
ChangeSaturationCommandクラス
HistogramEqualizeCommandクラス
Leadtools.ImageProcessing.FillCommand
HistogramCommandクラス
Leadtools.ImageProcessing.Core.WindowLevelCommand
ChannelMixerCommandクラス
Leadtools.ImageProcessing.Effects.DeinterlaceCommand
DesaturateCommandクラス
Leadtools.ImageProcessing.Effects.EdgeDetectStatisticalCommand
LightControlCommandクラス
Leadtools.ImageProcessing.Effects.SmoothEdgesCommand
LocalHistogramEqualizeCommandクラス
AddWeightedCommandクラス
ColorMergeCommandクラス
ColorSeparateCommandクラス
MultiplyCommandクラス
AutoColorLevelCommandクラス
ColorLevelCommandクラス
Leadtools.ImageProcessing.Core.CorrelationListCommand
GrayScaleToDuotoneCommandクラス
GrayScaleToMultitoneCommandクラス
Leadtools.ImageProcessing.Core.HolePunchRemoveCommand
SelectiveColorCommandクラス
Leadtools.ImageProcessing.Effects.SkeletonCommand
ChangeHueSaturationIntensityCommandクラス
ColorReplaceCommandクラス
ColorThresholdCommandクラス
MathematicalFunctionCommandクラス
SegmentCommandクラス
AdaptiveContrastCommandクラス
ApplyMathematicalLogicCommandクラス
ColorIntensityBalanceCommandクラス
Leadtools.ImageProcessing.Core.ColorizeGrayCommand
ContrastBrightnessIntensityCommandクラス
Leadtools.ImageProcessing.Core.DigitalSubtractCommand
DynamicBinaryCommandクラス
Leadtools.ImageProcessing.Effects.EdgeDetectEffectCommand
Leadtools.ImageProcessing.SpecialEffects.FunctionalLightCommand
Leadtools.ImageProcessing.Core.MultiscaleEnhancementCommand
Leadtools.ImageProcessing.Core.SelectDataCommand
Leadtools.ImageProcessing.Core.ShiftDataCommand