ITK/Examples/Morphology/FlatStructuringElement: Difference between revisions

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Create a structuring element (kernel) that can be used for any of the morphology filters.
{{warning|1=The media wiki content on this page is no longer maintained. The examples presented on the https://itk.org/Wiki/*  pages likely require ITK version 4.13 or earlier releasesIn many cases, the examples on this page no longer conform to the best practices for modern ITK versions.}}
 
==FlatStructuringElement.cxx==
<source lang="cpp">
#include "itkImage.h"
#include "itkBinaryErodeImageFilter.h"
#include "itkImageFileReader.h"
#include "itkBinaryBallStructuringElement.h"
 
#include "QuickView.h"
 
int main(int argc, char *argv[])
{
  if(argc < 2)
    {
    std::cerr << argv[0] << " InputImageFile [radius]" << std::endl;
    return EXIT_FAILURE;
    }
 
  unsigned int radius = 2;
  if (argc > 2)
    {
    radius = atoi(argv[2]);
    }
 
  typedef itk::Image<unsigned char, 2>    ImageType;
  typedef itk::ImageFileReader<ImageType> ReaderType;
  ReaderType::Pointer reader = ReaderType::New();
  reader->SetFileName(argv[1]);
 
  typedef itk::FlatStructuringElement<2> StructuringElementType;
  StructuringElementType::RadiusType elementRadius;
  elementRadius.Fill(3);
 
  StructuringElementType structuringElement = StructuringElementType::Box(elementRadius);
 
  typedef itk::BinaryErodeImageFilter <ImageType, ImageType, StructuringElementType>
    BinaryErodeImageFilterType;
 
  BinaryErodeImageFilterType::Pointer erodeFilter
    = BinaryErodeImageFilterType::New();
  erodeFilter->SetInput(reader->GetOutput());
  erodeFilter->SetKernel(structuringElement);
  erodeFilter->SetErodeValue(255);
 
  QuickView viewer;
  viewer.AddImage(reader->GetOutput());
  viewer.AddImage(erodeFilter->GetOutput());
  viewer.Visualize();
 
   return EXIT_SUCCESS;
}
</source>
 
==CMakeLists.txt==
<source lang="cmake">
cmake_minimum_required(VERSION 2.6)
 
PROJECT(FlatStructuringElement)
 
include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)
 
FIND_PACKAGE(VTK REQUIRED)
INCLUDE(${VTK_USE_FILE})
 
FIND_PACKAGE(ITK REQUIRED)
INCLUDE(${ITK_USE_FILE})
 
ADD_EXECUTABLE(FlatStructuringElement FlatStructuringElement.cxx)
TARGET_LINK_LIBRARIES(FlatStructuringElement
vtkHybrid
ITKBasicFilters ITKCommon ITKIO)
 
</source>

Latest revision as of 19:02, 6 June 2019

Warning: The media wiki content on this page is no longer maintained. The examples presented on the https://itk.org/Wiki/* pages likely require ITK version 4.13 or earlier releases. In many cases, the examples on this page no longer conform to the best practices for modern ITK versions.