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

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EdgeDetectorCommandクラス








メンバ 
imageに指定されたエッジフィルタを適用します。このコマンドはドキュメント/メディカルのツールキットで利用できます。
オブジェクトモデル
構文
'Declaration
 
Public Class EdgeDetectorCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand 
'Usage
 
Dim instance As EdgeDetectorCommand
public sealed class EdgeDetectorCommand : Leadtools.ImageProcessing.IRasterCommand  
@interface LTEdgeDetectorCommand : LTRasterCommand
public class EdgeDetectorCommand extends RasterCommand
function Leadtools.ImageProcessing.Effects.EdgeDetectorCommand()
解説
詳細については、「エッジとラインの抽出と拡大」を参照してください。
サンプル

imageの上でEdgeDetectorCommandを実行します。

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

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

   ' Prepare the command
   Dim command As EdgeDetectorCommand = New EdgeDetectorCommand
   command.Threshold = 60
   command.Filter = EdgeDetectorCommandType.SobelBoth
   'find the edges of 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.Effects;

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

   // Prepare the command
   EdgeDetectorCommand command = new EdgeDetectorCommand();
   command.Threshold = 60;
   command.Filter = EdgeDetectorCommandType.SobelBoth;
   //find the edges of 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.Effects;
using Leadtools.ImageProcessing;

      
public async Task EdgeDetectorCommandExample()
{
   // 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
   EdgeDetectorCommand command = new EdgeDetectorCommand();
   command.Threshold = 60;
   command.Filter = EdgeDetectorCommandType.SobelBoth;
   //find the edges of the image.
   command.Run(image);
   //Save as BMP
   string destFileName = @"result.bmp";
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName);
   await codecs.SaveAsync(image, LeadStreamFactory.Create(saveFile), RasterImageFormat.Bmp, 24);

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

public void EdgeDetectorCommandExample(RasterImage image, Stream outStream)
{
   // Prepare the command
   EdgeDetectorCommand command = new EdgeDetectorCommand();
   command.Threshold = 60;
   command.Filter = EdgeDetectorCommandType.SobelBoth;
   //find the edges of 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.Effects

Public Sub EdgeDetectorCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim command As EdgeDetectorCommand = New EdgeDetectorCommand()
   command.Threshold = 60
   command.Filter = EdgeDetectorCommandType.SobelBoth
   'find the edges of 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

EdgeDetectorCommandメンバ
Leadtools.ImageProcessing.Effects名前空間
エッジとラインの抽出と拡大
CombineCommandクラス
Leadtools.ImageProcessing.Color.IntensityDetectCommand
SharpenCommandクラス
SpatialFilterCommandクラス
SkeletonCommandクラス