MrcSegmenter Class

C#
Visual Basic
Objective-C
Java
C++

public class MrcSegmenter : System.IDisposable

'Declaration
 
Public Class MrcSegmenter 
   Implements System.IDisposable

'Usage
 
Dim instance As MrcSegmenter

public ref class MrcSegmenter : public System.IDisposable

This class is available in the Document/Medical Toolkits.

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

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Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.Mrc

Private Function MrcEnumerateSegmentInfoCallback(ByVal segmentHandle As MrcSegmenter, ByVal data As MrcSegmentData, ByVal iD As Integer) As Boolean
   Dim segmentRectangle As LeadRect = data.ImageSegment
   If iD = 0 Then
      MessageBox.Show("Segment ID : " & iD.ToString())
      MessageBox.Show("Left : " & segmentRectangle.Left.ToString() & Constants.vbLf & "Top : " & segmentRectangle.Top.ToString() & Constants.vbLf & "Right : " _
                      & segmentRectangle.Right.ToString() & Constants.vbLf & "Bottom : " & segmentRectangle.Bottom.ToString())
   End If
   Return True
End Function
<TestMethod()> _
Public Sub MrcSegmenterExample()
   ' Load an image
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

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

   Dim segmentImageOptions As MrcSegmentImageOptions = MrcSegmentImageOptions.Empty
   segmentImageOptions.CleanSize = 5
   segmentImageOptions.SegmentQuality = 50
   segmentImageOptions.ColorThreshold = 25
   segmentImageOptions.BackgroundThreshold = 10
   segmentImageOptions.CombineThreshold = 75
   segmentImageOptions.Flags = MrcSegmentImageFlags.FavorOneBit Or MrcSegmentImageFlags.SegmentWithBackground

   Dim segmenter As MrcSegmenter = New MrcSegmenter(image, RasterColor.FromKnownColor(RasterKnownColor.White), RasterColor.FromKnownColor(RasterKnownColor.Black))
   segmenter.SegmentImage(image, segmentImageOptions)

   Dim callBack As MrcEnumerateSegmentsInfo = New MrcEnumerateSegmentsInfo(AddressOf MrcEnumerateSegmentInfoCallback)
   segmenter.EnumerateSegments(callBack)

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.Mrc;

private bool MrcEnumerateSegmentInfoCallback(MrcSegmenter segmentHandle, MrcSegmentData data, int iD)
{
   if (iD == 0)
   {
      MessageBox.Show("Segment ID : " + iD.ToString());
      MessageBox.Show("Left : " + data.ImageSegment.Left.ToString() +
         "\nTop : " + data.ImageSegment.Top.ToString() +
         "\nRight : " + data.ImageSegment.Right.ToString() +
         "\nBottom : " + data.ImageSegment.Bottom.ToString());
   }
   return true;
}
[TestMethod]
public void MrcSegmenterExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;

   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "PDFSegmentation.pdf"));

   MrcSegmentImageOptions segmentImageOptions = MrcSegmentImageOptions.Empty;
   segmentImageOptions.CleanSize = 5;
   segmentImageOptions.SegmentQuality = 50;
   segmentImageOptions.ColorThreshold = 25;
   segmentImageOptions.BackgroundThreshold = 10;
   segmentImageOptions.CombineThreshold = 75;
   segmentImageOptions.Flags = MrcSegmentImageFlags.FavorOneBit | MrcSegmentImageFlags.SegmentWithBackground;

   MrcSegmenter segmenter = new MrcSegmenter(image, RasterColor.FromKnownColor(RasterKnownColor.White), RasterColor.FromKnownColor(RasterKnownColor.Black));
   segmenter.SegmentImage(image, segmentImageOptions);

   MrcEnumerateSegmentsInfo callBack = new MrcEnumerateSegmentsInfo(MrcEnumerateSegmentInfoCallback);
   segmenter.EnumerateSegments(callBack);

}

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

Target Platforms

Reference

MrcSegmenter Members
Leadtools.Mrc Namespace