Detects the type of the barcode in the image, and binarizes (makes it black and white) the image in preparation for the recognition process.
public class BarCodeReadPreprocessCommand : RasterCommand
Public Class BarCodeReadPreprocessCommand
Inherits RasterCommand
@interface LTBarCodeReadPreprocessCommand : LTRasterCommand
public class BarCodeReadPreprocessCommand extends RasterCommand
public ref class BarCodeReadPreprocessCommand : public RasterCommand
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
public void BarcodeExampleCommandExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"MIXED.tif"), 24, CodecsLoadByteOrder.BgrOrGrayOrRomm, 1, 1);
BarCodeReadPreprocessCommand command = new BarCodeReadPreprocessCommand();
command.Options = BarCodeReadPreprocessOptions.UseAutoDocumentBinarization;
command.Run(image);
MessageBox.Show("Barcode type is:" + command.BarcodeType + "\n" + "Barcode location is: (" + command.BarcodeLocation.Left.ToString() + ", " + command.BarcodeLocation.Top.ToString() + ", " +
command.BarcodeLocation.Right.ToString() + ", " + command.BarcodeLocation.Bottom.ToString() + ", ");
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core
Public Sub BarcodeExampleCommandExample()
' Load an image
Dim Codecs As RasterCodecs = New RasterCodecs()
Codecs.ThrowExceptionsOnInvalidImages = True
Dim image As RasterImage = Codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "\MIXED.tif"))
Dim command As BarCodeReadPreprocessCommand = New BarCodeReadPreprocessCommand()
command.Options = BarCodeReadPreprocessOptions.UseAutoDocumentBinarization
command.Run(image)
MessageBox.Show("Barcode type is:" & command.BarcodeType & "\n" & "Barcode location is: (" &
command.BarcodeLocation.Left.ToString() & ", " & command.BarcodeLocation.Top.ToString() &
", " & command.BarcodeLocation.Right.ToString() & ", " &
command.BarcodeLocation.Bottom.ToString() & ", ")
End Sub
Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document