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

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BorderRemoveCommandクラス








メンバ 
1-ビット白黒のimageで、黒い境界を削除します。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 BorderRemoveCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand 
'Usage
 
Dim instance As BorderRemoveCommand
public sealed class BorderRemoveCommand : Leadtools.ImageProcessing.IRasterCommand  
@interface LTBorderRemoveCommand : LTRasterCommand
public class BorderRemoveCommand extends RasterCommand
function Leadtools.ImageProcessing.Core.BorderRemoveCommand()
解説
サンプル

imageの上でBorderRemoveCommandを実行します。

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

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

   ' Prepare the command
   borderRemoveCommandCallback = New BorderRemoveCommand
   borderRemoveCommandCallback.Border = BorderRemoveBorderFlags.All
   borderRemoveCommandCallback.Flags = BorderRemoveCommandFlags.UseVariance
   borderRemoveCommandCallback.Percent = 20
   borderRemoveCommandCallback.Variance = 3
   borderRemoveCommandCallback.WhiteNoiseLength = 9

   borderRemoveCommandCallback.Run(leadImage)

End Sub

Private Sub BorderRemoveCommand_BorderRemove_S1(ByVal sender As Object, ByVal e As BorderRemoveCommandEventArgs) Handles borderRemoveCommandCallback.BorderRemove
   Dim Border As String

   Select Case (e.Border)
      Case BorderRemoveBorderFlags.Top
         Border = "Top"

      Case BorderRemoveBorderFlags.Left
         Border = "Left"

      Case BorderRemoveBorderFlags.Right
         Border = "Right"

      Case BorderRemoveBorderFlags.Bottom
         Border = "Bottom"

      Case Else
         Border = ""
   End Select
   MessageBox.Show("Bounds ( " + Convert.ToString(e.BoundingRectangle.Left) + ", " + _
                   Convert.ToString(e.BoundingRectangle.Top) + ") - " + "( " + _
                   Convert.ToString(e.BoundingRectangle.Right) + ", " + _
                   Convert.ToString(e.BoundingRectangle.Bottom) + ")" + Chr(13) + _
                   " Border " + Border.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;
using Leadtools.ImageProcessing.Color;

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

   // Prepare the command
   BorderRemoveCommand command = new BorderRemoveCommand();
   command.BorderRemove += new EventHandler<BorderRemoveCommandEventArgs>(command_BorderRemove_S1);
   command.Border = BorderRemoveBorderFlags.All;
   command.Flags = BorderRemoveCommandFlags.UseVariance;
   command.Percent = 20;
   command.Variance = 3;
   command.WhiteNoiseLength = 9;

   command.Run(image);

}

private void command_BorderRemove_S1(object sender, BorderRemoveCommandEventArgs e)
{
   string Border;

   switch (e.Border)
   {
      case BorderRemoveBorderFlags.Top:
         Border = "Top";
         break;
      case BorderRemoveBorderFlags.Left:
         Border = "Left";
         break;
      case BorderRemoveBorderFlags.Right:
         Border = "Right";
         break;
      case BorderRemoveBorderFlags.Bottom:
         Border = "Bottom";
         break;
      default:
         Border = "";
         break;
   }
   MessageBox.Show("Bounds " + "( " + e.BoundingRectangle.Left + ", " + e.BoundingRectangle.Top + ") - " + "( " + e.BoundingRectangle.Right + ", " + e.BoundingRectangle.Bottom + ")" + "\n Border " + Border.ToString());
   e.Status = RemoveStatus.Remove;
}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
function BorderRemoveCommandExample() {
   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 BorderRemoveCommand();
         command.addEventListener("borderremove", command_BorderRemove_S1);
         command.border = BorderRemoveBorderFlags.all;
         command.flags = BorderRemoveCommandFlags.useVariance;
         command.percent = 20;
         command.variance = 3;
         command.whiteNoiseLength = 9;
         command.run(image);
      }
   });
}

function command_BorderRemove_S1(e) {
   var Border;

   with (Leadtools.ImageProcessing.Core) {
      switch (e.border) {
         case BorderRemoveBorderFlags.top:
            Border = "Top";
            break;
         case BorderRemoveBorderFlags.left:
            Border = "Left";
            break;
         case BorderRemoveBorderFlags.right:
            Border = "Right";
            break;
         case BorderRemoveBorderFlags.bottom:
            Border = "Bottom";
            break;
         default:
            Border = "";
            break;
      }
      console.error("Bounds " + "( " + e.boundingRectangle.x + ", " + e.boundingRectangle.y + ") - " + "( " + e.boundingRectangle.width + ", " + e.boundingRectangle.height + ")" + "\n Border " + Border.toString());
      e.status = RemoveStatus.remove;
   }
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
using Leadtools.ImageProcessing.Color;

      
public async Task BorderRemoveCommandExample()
{
   // 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
   BorderRemoveCommand command = new BorderRemoveCommand();
   command.BorderRemove += new EventHandler<BorderRemoveCommandEventArgs>(command_BorderRemove_S1);
   command.Border = BorderRemoveBorderFlags.All;
   command.Flags = BorderRemoveCommandFlags.UseVariance;
   command.Percent = 20;
   command.Variance = 3;
   command.WhiteNoiseLength = 9;

   command.Run(image);

}

private void command_BorderRemove_S1(object sender, BorderRemoveCommandEventArgs e)
{
   string Border;

   switch (e.Border)
   {
      case BorderRemoveBorderFlags.Top:
         Border = "Top";
         break;
      case BorderRemoveBorderFlags.Left:
         Border = "Left";
         break;
      case BorderRemoveBorderFlags.Right:
         Border = "Right";
         break;
      case BorderRemoveBorderFlags.Bottom:
         Border = "Bottom";
         break;
      default:
         Border = "";
         break;
   }
   Debug.WriteLine("Bounds " + "( " + e.BoundingRectangle.X + ", " + e.BoundingRectangle.Y + ") - " + "( " + e.BoundingRectangle.Width + ", " + e.BoundingRectangle.Height + ")" + "\n Border " + Border.ToString());
   e.Status = RemoveStatus.Remove;
}
using Leadtools;
using Leadtools.Examples;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

public void BorderRemoveCommandExample(RasterImage image, Stream outStream)
{
   // Prepare the command
   BorderRemoveCommand command = new BorderRemoveCommand();
   command.BorderRemove += new EventHandler<BorderRemoveCommandEventArgs>(command_BorderRemove_S1);
   command.Border = BorderRemoveBorderFlags.All;
   command.Flags = BorderRemoveCommandFlags.UseVariance;
   command.Percent = 20;
   command.Variance = 3;
   command.WhiteNoiseLength = 9;
   command.Run(image);

   // Save result image
   RasterCodecs codecs = new RasterCodecs();
   codecs.Save(image, outStream, RasterImageFormat.CcittGroup4, 1);
   image.Dispose();
}

private void command_BorderRemove_S1(object sender, BorderRemoveCommandEventArgs e)
{
   string Border;

   switch (e.Border)
   {
      case BorderRemoveBorderFlags.Top:
         Border = "Top";
         break;
      case BorderRemoveBorderFlags.Left:
         Border = "Left";
         break;
      case BorderRemoveBorderFlags.Right:
         Border = "Right";
         break;
      case BorderRemoveBorderFlags.Bottom:
         Border = "Bottom";
         break;
      default:
         Border = "";
         break;
   }
   Debug.WriteLine("Bounds " + "( " + e.BoundingRectangle.Left + ", " + e.BoundingRectangle.Top + ") - " + "( " + e.BoundingRectangle.Right + ", " + e.BoundingRectangle.Bottom + ")" + "\n Border " + Border.ToString());
   e.Status = RemoveStatus.Remove;
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

Public Sub BorderRemoveCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim command As BorderRemoveCommand = New BorderRemoveCommand()
   AddHandler command.BorderRemove, AddressOf command_BorderRemove_S1
   command.Border = BorderRemoveBorderFlags.All
   command.Flags = BorderRemoveCommandFlags.UseVariance
   command.Percent = 20
   command.Variance = 3
   command.WhiteNoiseLength = 9
   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 command_BorderRemove_S1(ByVal sender As Object, ByVal e As BorderRemoveCommandEventArgs)
   Dim Border As String

   Select Case e.Border
      Case BorderRemoveBorderFlags.Top
         Border = "Top"
      Case BorderRemoveBorderFlags.Left
         Border = "Left"
      Case BorderRemoveBorderFlags.Right
         Border = "Right"
      Case BorderRemoveBorderFlags.Bottom
         Border = "Bottom"
      Case Else
         Border = ""
   End Select
   Debug.WriteLine("Bounds " & "( " & e.BoundingRectangle.Left & ", " & e.BoundingRectangle.Top & ") - " & _
                   "( " & e.BoundingRectangle.Right & ", " & e.BoundingRectangle.Bottom & ")" & Constants.vbLf & " Border " & Border.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

BorderRemoveCommand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
LineRemoveCommand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