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

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AutoColorLevelCommandクラス








メンバ 
imageに数種類の自動カラーレベル調整の1つを適用します。この関数は、バーコードの認識結果を改善するために画像を事前処理する場合に便利です。
オブジェクトモデル
構文
'Declaration
 
Public Class AutoColorLevelCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand 
'Usage
 
Dim instance As AutoColorLevelCommand
public sealed class AutoColorLevelCommand : Leadtools.ImageProcessing.IRasterCommand  
@interface LTAutoColorLevelCommand : LTRasterCommand
public class AutoColorLevelCommand extends RasterCommand
function Leadtools.ImageProcessing.Color.AutoColorLevelCommand()
解説
詳細については、「色の補正」を参照してください。
サンプル

imageの上でAutoColorLevelCommandを実行します。

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

   
Public Sub AutoColorLevelCommandExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\\Image1.jpg"))

   ' Prepare the command
   Dim command As AutoColorLevelCommand = New AutoColorLevelCommand
   ' Apply "Auto Leveling" to the image.
   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.Color;

      
public void AutoColorLevelCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"ImageProcessingDemo\Image1.jpg"));

   // Prepare the command
   AutoColorLevelCommand command = new AutoColorLevelCommand();
   // Apply "Auto Leveling" to the image.
   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;

      
public async Task AutoColorLevelCommandExample()
{
   // 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
   AutoColorLevelCommand command = new AutoColorLevelCommand();
   // Apply "Auto Leveling" to the image.
   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.Color;
using Leadtools.Examples;

public void AutoColorLevelCommandExample(RasterImage image, Stream outStream)
{
   // Prepare the command
   AutoColorLevelCommand command = new AutoColorLevelCommand();
   // Apply "Auto Leveling" to the image.
   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.Color

Public Sub AutoColorLevelCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim command As AutoColorLevelCommand = New AutoColorLevelCommand()
   ' Apply "Auto Leveling" to the image.
   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

AutoColorLevelCommandメンバ
Leadtools.ImageProcessing.Color名前空間
色の補正
Leadtools.ImageProcessing.Effects.SharpenCommand
PosterizeCommandクラス
Leadtools.ImageProcessing.Effects.MosaicCommand
Leadtools.ImageProcessing.Effects.EmbossCommand
Leadtools.ImageProcessing.Core.MedianCommand
Leadtools.ImageProcessing.Effects.AddNoiseCommand
IntensityDetectCommandクラス
Leadtools.ImageProcessing.Effects.SpatialFilterCommand
Leadtools.ImageProcessing.Effects.BinaryFilterCommand
Leadtools.ImageProcessing.Core.MaximumCommand
Leadtools.ImageProcessing.Core.MinimumCommand
Leadtools.ImageProcessing.Effects.OilifyCommand
SolarizeCommandクラス
ColorLevelCommandクラス
SelectiveColorCommandクラス
GammaCorrectCommandクラス
AdjustTintCommandクラス
Leadtools.ImageProcessing.Core.HalfToneCommand