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

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LineRemoveCommandクラス








メンバ 
1-ビット白黒のimageで、水平および垂直の行を削除します。
オブジェクトモデル
構文
'Declaration
 
Public Class LineRemoveCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand 
'Usage
 
Dim instance As LineRemoveCommand
public sealed class LineRemoveCommand : Leadtools.ImageProcessing.IRasterCommand  
@interface LTLineRemoveCommand : LTRasterCommand
public class LineRemoveCommand extends RasterCommand
function Leadtools.ImageProcessing.Core.LineRemoveCommand()
解説

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。

詳細については、「1ビット画像のクリーンアップ」を参照してください。
サンプル

imageの上でLineRemoveCommandを実行します。

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

Public WithEvents lineRemoveCommand_S1 As LineRemoveCommand
   
Public Sub LineRemoveCommandExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Clean.tif"))

   ' Prepare the command
   lineRemoveCommand_S1 = New LineRemoveCommand
   lineRemoveCommand_S1.Type = LineRemoveCommandType.Horizontal
   lineRemoveCommand_S1.Flags = LineRemoveCommandFlags.UseGap
   lineRemoveCommand_S1.GapLength = 2
   lineRemoveCommand_S1.MaximumLineWidth = 5
   lineRemoveCommand_S1.MinimumLineLength = 200
   lineRemoveCommand_S1.MaximumWallPercent = 10
   lineRemoveCommand_S1.Wall = 7
   lineRemoveCommand_S1.Run(leadImage)

End Sub

Private Sub LineRemoveCommand_LineRemove_S1(ByVal sender As Object, ByVal e As LineRemoveCommandEventArgs) Handles lineRemoveCommand_S1.LineRemove
   MessageBox.Show("Row Col " + "( " + e.StartRow.ToString() + ", " + e.StartColumn.ToString() + " )" + _
                Chr(13) + " Length " + e.Length.ToString())
   e.Status = RemoveStatus.Remove
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.Core;

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

   // Prepare the command
   LineRemoveCommand command = new LineRemoveCommand();
   command.LineRemove       += new EventHandler<LineRemoveCommandEventArgs>(LineRemoveEvent_S1);
   command.Type  = LineRemoveCommandType.Horizontal;
   command.Flags = LineRemoveCommandFlags.UseGap;
   command.GapLength = 2;
   command.MaximumLineWidth = 5;
   command.MinimumLineLength = 200;
   command.MaximumWallPercent = 10;
   command.Wall        = 7;
   command.Run(image);

}

private void LineRemoveEvent_S1(object sender, LineRemoveCommandEventArgs e)
{
   MessageBox.Show("Row Col "   + "( " + e.StartRow.ToString() + ", " + e.StartColumn + " )" +
      "\n Length " + e.Length.ToString());
   e.Status= RemoveStatus.Remove;
}

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

   // Load the image
   var srcFileName = "Assets\\clean.tif";
   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 LineRemoveCommand();
         command.addEventListener("lineremove", LineRemoveEvent_S1);
         command.type = LineRemoveCommandType.horizontal;
         command.flags = LineRemoveCommandFlags.useGap;
         command.gapLength = 2;
         command.maximumLineWidth = 5;
         command.minimumLineLength = 200;
         command.maximumWallPercent = 10;
         command.wall = 7;
         command.run(image);
      }
   });
}

function LineRemoveEvent_S1(e) {
   console.error("Row Col " + "( " + e.startRow.toString() + ", " + e.startColumn + " )" +
      "\n Length " + e.length.toString());
   e.status = Leadtools.ImageProcessing.Core.RemoveStatus.remove;
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

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

   // Prepare the command
   LineRemoveCommand command = new LineRemoveCommand();
   command.LineRemove       += new EventHandler<LineRemoveCommandEventArgs>(LineRemoveEvent_S1);
   command.Type  = LineRemoveCommandType.Horizontal;
   command.Flags = LineRemoveCommandFlags.UseGap | LineRemoveCommandFlags.CallBackRegion;
   command.GapLength = 2;
   command.MaximumLineWidth = 5;
   command.MinimumLineLength = 200;
   command.MaximumWallPercent = 10;
   command.Wall        = 7;
   command.Run(image);

}

private void LineRemoveEvent_S1(object sender, LineRemoveCommandEventArgs e)
{
   Debug.WriteLine("Row Col "   + "( " + e.StartRow.ToString() + ", " + e.StartColumn + " )" +
      "\n Length " + e.Length.ToString());
   e.Status= RemoveStatus.Remove;
}
using Leadtools;
using Leadtools.Examples;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

public void LineRemoveCommandExample(RasterImage image, Stream outStream)
{
   // Prepare the command
   LineRemoveCommand command = new LineRemoveCommand();
   command.LineRemove       += new EventHandler<LineRemoveCommandEventArgs>(LineRemoveEvent_S1);
   command.Type  = LineRemoveCommandType.Horizontal;
   command.Flags = LineRemoveCommandFlags.UseGap;
   command.GapLength = 2;
   command.MaximumLineWidth = 5;
   command.MinimumLineLength = 200;
   command.MaximumWallPercent = 10;
   command.Wall        = 7;
   command.Run(image);
   // Save result image
   RasterCodecs codecs = new RasterCodecs();
   codecs.Save(image, outStream, RasterImageFormat.CcittGroup4, 1);
   image.Dispose();
}

private void LineRemoveEvent_S1(object sender, LineRemoveCommandEventArgs e)
{
   Debug.WriteLine("Row Col "   + "( " + e.StartRow.ToString() + ", " + e.StartColumn + " )" +
      "\n Length " + e.Length.ToString());
   e.Status= RemoveStatus.Remove;
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

Public Sub LineRemoveCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim command As LineRemoveCommand = New LineRemoveCommand()
   AddHandler command.LineRemove, AddressOf LineRemoveEvent_S1
   command.Type = LineRemoveCommandType.Horizontal
   command.Flags = LineRemoveCommandFlags.UseGap
   command.GapLength = 2
   command.MaximumLineWidth = 5
   command.MinimumLineLength = 200
   command.MaximumWallPercent = 10
   command.Wall = 7
   command.Run(image)
   ' Save result image
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.Save(image, outStream, RasterImageFormat.CcittGroup4, 1)
   image.Dispose()
End Sub

Private Sub LineRemoveEvent_S1(ByVal sender As Object, ByVal e As LineRemoveCommandEventArgs)
   Debug.WriteLine("Row Col " & "( " & e.StartRow.ToString() & ", " & e.StartColumn & " )" & Constants.vbLf & " Length " & e.Length.ToString())
   e.Status= RemoveStatus.Remove
End Sub
必要条件

ターゲットプラットホーム

参照

参照

LineRemoveCommandメンバ
Leadtools.ImageProcessing.Core名前空間
1ビット画像のクリーンアップ
SmoothCommandクラス
BorderRemoveCommandクラス
InvertedTextCommandクラス
InvertedPageCommandクラス
DotRemoveCommandクラス
HolePunchRemoveCommandクラス
HighQualityRotateCommandクラス
MinimumCommandクラス
MaximumCommandクラス
Leadtools.ImageProcessing.Effects.RegionHolesRemovalCommand