Gets the number of black objects in a binary image.
public class ObjectCounterCommand : RasterCommand
Public Class ObjectCounterCommand
Inherits RasterCommand
public ref class ObjectCounterCommand : public RasterCommand
Runs the ObjectCounterCommand on an image.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
public void ObjectCounterCommandExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"ImageProcessingDemo\Image4.tif"));
// Prepare the command
ObjectCounterCommand command = new ObjectCounterCommand();
command.ObjectCounter += new EventHandler<ObjectCounterCommandEventArgs>(ObjectCounterEvent_S1);
command.Run(image);
MessageBox.Show("ObjectCountis" + "( " + command.Count + " )");
}
private void ObjectCounterEvent_S1(object sender, ObjectCounterCommandEventArgs e)
{
int RegionPixelSize;
RegionPixelSize = 0;
for (int i = e.ObjectRectangle.Left; i < e.ObjectRectangle.Right; i++)
{
for (int j = e.ObjectRectangle.Top; j < e.ObjectRectangle.Bottom; j++)
{
if (e.ObjectData[i - e.ObjectRectangle.Left][j - e.ObjectRectangle.Top] == 1)
{
RegionPixelSize++;
}
}
}
MessageBox.Show("Region size in pixels is" + "( " + RegionPixelSize + " )");
}
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 ObjectCounterCommandExample()
' Load an image
Dim codecs As RasterCodecs = New RasterCodecs()
codecs.ThrowExceptionsOnInvalidImages = True
Dim image As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\\Image4.tif"))
' Prepare the command
Dim command As ObjectCounterCommand = New ObjectCounterCommand()
AddHandler command.ObjectCounter, AddressOf ObjectCounterEvent_S1
command.Run(image)
MessageBox.Show("ObjectCountis" + "( " + command.Count.ToString() + " )")
End Sub
Private Sub ObjectCounterEvent_S1(ByVal sender As Object, ByVal e As ObjectCounterCommandEventArgs)
Dim nRegionPixelSize As Integer
Dim i As Integer
Dim j As Integer
nRegionPixelSize = 0
For i = e.ObjectRectangle.Left To e.ObjectRectangle.Right - 1
For j = e.ObjectRectangle.Top To e.ObjectRectangle.Bottom - 1
nRegionPixelSize = nRegionPixelSize + 1
Next j
Next i
MessageBox.Show("Region size in pixels is " + "( " + nRegionPixelSize.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
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Multimedia
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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
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