[Insight-users] 3D BinaryErodeImageFilter
Henning Meyer
tutmann at gmail.com
Fri Jul 14 05:18:06 EDT 2006
Hello Dan,
is SetErodeValue(1) the correct value for your image? What does your
input look like?
If it's empty, then it's even ok, that input and output are the same :-)
Henning
2006/7/13, Dan Rico <dan_rico_to at yahoo.com>:
>
> 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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