AutoBinarizeCommand Class

C#
Visual Basic
WinRT C#
Objective-C
Java
WinRT JavaScript
C++

public class AutoBinarizeCommand : Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand

'Declaration
 
Public Class AutoBinarizeCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand

'Usage
 
Dim instance As AutoBinarizeCommand

public sealed class AutoBinarizeCommand : Leadtools.ImageProcessing.IRasterCommand

@interface LTAutoBinarizeCommand : LTRasterCommand

public class AutoBinarizeCommand extends RasterCommand

function Leadtools.ImageProcessing.Core.AutoBinarizeCommand()

public ref class AutoBinarizeCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand

This function is useful for improving recognition results (OCR, Barcode, OMR, ICR).
This command does not support 12- or 16-bit grayscale or 48- or 64-bit color images (Exception: Image format not recognized).
This command supports unsigned data images, but not signed ones.
This command does not support 32-bit grayscale images.

Options:

Automatic pre-processing
Pre-processing using background elimination
Pre-processing using color leveling
Perform automatic, percentile or median threshold
Manually specify a threshold value

In Silverlight and Windows Phone versions of LEADTOOLS, this image processing command will fail if the image data for the RasterImage object is stored internally using a Silverlight WriteableBitmap object . For more information , refer to Image Processing Command Limitations in Silverlight.

C#
Visual Basic
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

Public Sub AutoBinarizeCommandExample()
   ' Load an image
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

   Dim image As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Sample.mrc"))

   Dim command As AutoBinarizeCommand = New AutoBinarizeCommand()
   command.Run(image)

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 AutoBinarizeCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;

   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Sample.mrc"));

   AutoBinarizeCommand command = new AutoBinarizeCommand();
   command.Run(image);

}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

function AutoBinarizeCommandExample()
{
   var codecs = new Leadtools.Codecs.RasterCodecs();
   codecs.throwExceptionsOnInvalidImages = true;

   // Load the image
   var srcFileName = "Assets\\IMAGE1.CMP";
   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 AutoBinarizeCommand();
         command.run(image);
      }
   });
}

using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

      
public async Task AutoBinarizeCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   string srcFileName = @"Assets\IMAGE1.CMP";
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   AutoBinarizeCommand command = new AutoBinarizeCommand();
   command.Run(image);

}

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

public void AutoBinarizeCommandExample(RasterImage image, Stream outStream)
{
   AutoBinarizeCommand command = new AutoBinarizeCommand();
   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 AutoBinarizeCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
   Dim command As AutoBinarizeCommand = New AutoBinarizeCommand()
   command.Run(image)
   ' Save result image
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24)
   image.Dispose()
End Sub

Target Platforms

Reference

AutoBinarizeCommand Members
Leadtools.ImageProcessing.Core Namespace
Introduction to Image Processing With LEADTOOLS
DeskewCommand Class
Leadtools.ImageProcessing.Color.AutoBinaryCommand
Leadtools.ImageProcessing.Color.DynamicBinaryCommand
BlankPageDetectorCommand Class
DespeckleCommand Class
LineRemoveCommand Class
AutoCropCommand Class
DotRemoveCommand Class
HolePunchRemoveCommand Class
InvertedTextCommand Class