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

フレームを表示

SubtractBackgroundCommandクラス








メンバ 
imageから背景を削除します。
オブジェクトモデル
構文
'Declaration
 
Public Class SubtractBackgroundCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand 
'Usage
 
Dim instance As SubtractBackgroundCommand
public sealed class SubtractBackgroundCommand : Leadtools.ImageProcessing.IRasterCommand  
@interface LTSubtractBackgroundCommand : LTRasterCommand
public class SubtractBackgroundCommand extends RasterCommand
function Leadtools.ImageProcessing.Core.SubtractBackgroundCommand()
public ref class SubtractBackgroundCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand  
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SubtractBackgroundCommandを実行します。

Copy Code  
Imports Leadtools
Imports Leadtools.ImageProcessing
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

   
Public Sub SubtractBackgroundCommandExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\\Image4.Tif"))

   ' Prepare the command
   Dim command As SubtractBackgroundCommand = New SubtractBackgroundCommand
   command.RollingBall = 50
   command.BrightnessFactor = 100
   command.ShrinkingSize = SubtractBackgroundCommandType.DependOnRollingBallSize
   command.Flags = SubtractBackgroundCommandFlags.BackgroundIsDarker
   'Apply Subtract Background effect on the image.
   command.Run(leadImage)

End Sub

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

      
public void SubtractBackgroundCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"ImageProcessingDemo\Image4.Tif"));

   // Prepare the command
   SubtractBackgroundCommand command = new SubtractBackgroundCommand();
   command.RollingBall      = 50;
   command.BrightnessFactor = 100;
   command.ShrinkingSize    = SubtractBackgroundCommandType.DependOnRollingBallSize;
   command.Flags            = SubtractBackgroundCommandFlags.BackgroundIsDarker;
   //Apply Subtract Background effect on the image.
   command.Run(image);

}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
function SubtractBackgroundCommandExample()
{
   var codecs = new Leadtools.Codecs.RasterCodecs();
   codecs.throwExceptionsOnInvalidImages = true;

   // Load the image
   var srcFileName = "Assets\\Image1.cmp";
   var processedImage;
   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) {
         var command = new SubtractBackgroundCommand();
         command.rollingBall      = 50;
         command.brightnessFactor = 100;
         command.shrinkingSize    = SubtractBackgroundCommandType.dependOnRollingBallSize;
         command.flags            = SubtractBackgroundCommandFlags.backgroundIsDarker;
         //Apply Subtract Background effect on the image.
         command.run(image);
      }
   });
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

      
public async Task SubtractBackgroundCommandExample()
{
   // 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
   SubtractBackgroundCommand command = new SubtractBackgroundCommand();
   command.RollingBall      = 50;
   command.BrightnessFactor = 100;
   command.ShrinkingSize    = SubtractBackgroundCommandType.DependOnRollingBallSize;
   command.Flags            = SubtractBackgroundCommandFlags.BackgroundIsDarker;
   //Apply Subtract Background effect on the image.
   command.Run(image);

}
using Leadtools;
using Leadtools.Examples;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

public void SubtractBackgroundCommandExample(RasterImage image, Stream outStream)
{
   // Prepare the command
   SubtractBackgroundCommand command = new SubtractBackgroundCommand();
   command.RollingBall = 50;
   command.BrightnessFactor = 100;
   command.ShrinkingSize = SubtractBackgroundCommandType.DependOnRollingBallSize;
   command.Flags = SubtractBackgroundCommandFlags.BackgroundIsDarker;
   //Apply Subtract Background effect on 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.Core

Public Sub SubtractBackgroundCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim command As SubtractBackgroundCommand = New SubtractBackgroundCommand()
   command.RollingBall = 50
   command.BrightnessFactor = 100
   command.ShrinkingSize = SubtractBackgroundCommandType.DependOnRollingBallSize
   command.Flags = SubtractBackgroundCommandFlags.BackgroundIsDarker
   'Apply Subtract Background effect on 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

SubtractBackgroundCommandメンバ
Leadtools.ImageProcessing.Core名前空間
明度とコントラストの変更
Leadtools.ImageProcessing.Color.ChangeHueSaturationIntensityCommand
Leadtools.ImageProcessing.Color.ColorReplaceCommand
Leadtools.ImageProcessing.Color.ColorThresholdCommand
Leadtools.ImageProcessing.Effects.DirectionEdgeStatisticalCommand
Leadtools.ImageProcessing.Effects.StatisticsInformationCommand
Leadtools.ImageProcessing.Effects.FeretsDiameterCommand
Leadtools.ImageProcessing.Effects.ObjectInformationCommand
Leadtools.ImageProcessing.Color.MathematicalFunctionCommand
Leadtools.ImageProcessing.SpecialEffects.RevEffectCommand
Leadtools.ImageProcessing.Color.SegmentCommand
Leadtools.ImageProcessing.Effects.UserFilterCommand