[Insight-users] Troubles with the manipulation of label objects

[Antonio Calabrese]

Thanks a lot Cagatay.
The first thing that i would say is that i'm a newbie itk's users, so i have
a simple question early:
When i define an image class with pixelType as an integer or as an unsigned
char and then i do a simple BinaryThreshold of this, Can i do consider the
thresholder's output as a Binary image or else do i have use an image with
the pixelType define as a bool?

Here below there is my code:
typedef itk::BinaryImageToShapeLabelMapFilter<ImageType>
BinaryImageToShapeLabelMapFilterType;
 BinaryImageToShapeLabelMapFilterType::Pointer
binaryImageToShapeLabelMapFilterPointer
=BinaryImageToShapeLabelMapFilterType::New();
    binaryImageToShapeLabelMapFilterPointer->FullyConnectedOn ();
   
binaryImageToShapeLabelMapFilterPointer->SetInput(addImageFilterPointer_2->GetOutput());
    // (IV)______________
typedef itk::ShapeOpeningLabelMapFilter<
BinaryImageToShapeLabelMapFilterType::OutputImageType >
ShapeOpeningLabelMapFilterType;
    ShapeOpeningLabelMapFilterType::Pointer shapeOpeningLabelMapFilter =
ShapeOpeningLabelMapFilterType::New();
    shapeOpeningLabelMapFilter->SetInput(
binaryImageToShapeLabelMapFilterPointer->GetOutput() );
    shapeOpeningLabelMapFilter->SetLambda(6);
    shapeOpeningLabelMapFilter->ReverseOrderingOff();
    shapeOpeningLabelMapFilter->SetAttribute(
ShapeOpeningLabelMapFilterType::LabelObjectType::NUMBER_OF_PIXELS);

    // (V)______________
    typedef
itk::LabelMapToBinaryImageFilter<BinaryImageToShapeLabelMapFilterType::OutputImageType,
ImageType> LabelMapToBinaryImageFilterType;
    LabelMapToBinaryImageFilterType::Pointer
labelMapToBinaryImageFilterPointer = LabelMapToBinaryImageFilterType::New();
   
labelMapToBinaryImageFilterPointer->SetInput(shapeOpeningLabelMapFilter->GetOutput());
    labelMapToBinaryImageFilterPointer->Update();    

    typedef itk::BinaryImageToLabelMapFilter<ImageType>
BinaryImageToLabelMapFilterType;
    BinaryImageToLabelMapFilterType::Pointer binaryImageToLabelMapFilter =
BinaryImageToLabelMapFilterType::New();
    binaryImageToLabelMapFilter->FullyConnectedOn ();
   
binaryImageToLabelMapFilter->SetInput(labelMapToBinaryImageFilterPointer->GetOutput());





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