[Insight-users] 3D BinaryErodeImageFilter

[Dan Rico]

Hi,
   
  still waiting for an answer related to the "BinaryErodeImage" filter that applied to a 3D binary image produces an output identical to the input.
  Is there a way to overcome this problem?
   
  Thanks,
  Dan
    
 

  Date: Wed, 12 Jul 2006 09:21:01 -0700 (PDT)
From: Dan Rico <dan_rico_to at yahoo.com>
Subject: BinaryErodeImageFilter
To: insight-users at itk.org

  Hi,
   
  while testing the output of the "itkBinaryErodeImageFilter" on a 3D binary images I found out that the output is identical to the input.
  Does anyone have experienced similar problems with the erosion filter?
   
  The tests have been performed on version 2.4.1.
   
  Sample code:
   
typedef unsigned char CharPixelType;   typedef itk::Image <CharPixelType, 3> Input3DImageType;
  typedef itk::BinaryBallStructuringElement<CharPixelType, 3> StructuringElementType3D;
  typedef itk::BinaryErodeImageFilter<Input3DImageType, 
         Input3DImageType,
         StructuringElementType3D> ErodeFilterTypeInt2Int3D;

  ....
   
  inputBinaryVolume = readerBinary->GetOutput(); 
   
   unsigned char TubeRadiusSE = 2;
 StructuringElementType3D structuringElement;
 structuringElement.SetRadius(TubeRadiusSE);
 structuringElement.CreateStructuringElement();
   
   ErodeFilterTypeInt2Int3D::Pointer binaryErode = ErodeFilterTypeInt2Int3D::New();
 binaryErode->SetKernel(structuringElement);
 binaryErode->SetInput(inputBinaryVolume);
 binaryErode->SetErodeValue(1);
 binaryErode->Update();  

   
  Thanks,
  Dan
   
   
    
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