ITK/Examples/Smoothing/MedianImageFilter: Difference between revisions

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(Now uses locked cameras.)
(Use QuickView)
Line 5: Line 5:
#include "itkMedianImageFilter.h"
#include "itkMedianImageFilter.h"


#include <itkImageToVTKImageFilter.h>
#include "QuickView.h"
 
#include "vtkImageViewer.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkSmartPointer.h"
#include "vtkImageActor.h"
#include "vtkInteractorStyleImage.h"
#include "vtkRenderer.h"
#include "vtkCamera.h"


int main(int argc, char * argv[])
int main(int argc, char * argv[])
Line 21: Line 13:
     {
     {
     std::cerr << "Usage: " << std::endl;
     std::cerr << "Usage: " << std::endl;
     std::cerr << argv[0] << "inputImageFile" << std::endl;
     std::cerr << argv[0] << " InputImageFile [radius]" << std::endl;
     return EXIT_FAILURE;
     return EXIT_FAILURE;
     }
     }
  double  = 2.0;


   // Parse command line arguments
   // Parse command line arguments
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   medianFilter->SetInput( reader->GetOutput() );
   medianFilter->SetInput( reader->GetOutput() );


   // Visualize the original image
   QuickView viewer;
   typedef itk::ImageToVTKImageFilter<UnsignedCharImageType> ConnectorType;
   viewer.AddImage<UnsignedCharImageType>(reader->GetOutput());
  ConnectorType::Pointer originalConnector = ConnectorType::New();
   viewer.AddImage<UnsignedCharImageType>(medianFilter->GetOutput());
  originalConnector->SetInput(reader->GetOutput());
   viewer.Visualize();
 
   vtkSmartPointer<vtkImageActor> originalActor =
    vtkSmartPointer<vtkImageActor>::New();
  originalActor->SetInput(originalConnector->GetOutput());
 
  // Visualize the filtered image
  typedef itk::ImageToVTKImageFilter<UnsignedCharImageType> ConnectorType;
  ConnectorType::Pointer filteredConnector = ConnectorType::New();
  filteredConnector->SetInput(medianFilter->GetOutput());
 
   vtkSmartPointer<vtkImageActor> filteredActor =
    vtkSmartPointer<vtkImageActor>::New();
  filteredActor->SetInput(filteredConnector->GetOutput());
 
  // Define viewport ranges
  // (xmin, ymin, xmax, ymax)
  double leftViewport[4] = {0.0, 0.0, 0.5, 1.0};
  double rightViewport[4] = {0.5, 0.0, 1.0, 1.0};
 
  // Setup both renderers
  vtkSmartPointer<vtkRenderWindow> renderWindow =
    vtkSmartPointer<vtkRenderWindow>::New();
  renderWindow->SetSize(600,300);
 
  vtkSmartPointer<vtkRenderer> leftRenderer =
    vtkSmartPointer<vtkRenderer>::New();
  renderWindow->AddRenderer(leftRenderer);
  leftRenderer->SetViewport(leftViewport);
 
  vtkSmartPointer<vtkRenderer> rightRenderer =
    vtkSmartPointer<vtkRenderer>::New();
  renderWindow->AddRenderer(rightRenderer);
  rightRenderer->SetViewport(rightViewport);
 
  leftRenderer->AddActor(originalActor);
  rightRenderer->AddActor(filteredActor);
 
  leftRenderer->ResetCamera();
  rightRenderer->SetActiveCamera(leftRenderer->GetActiveCamera());
 
  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
  vtkSmartPointer<vtkInteractorStyleImage> style =
    vtkSmartPointer<vtkInteractorStyleImage>::New();
 
  renderWindowInteractor->SetInteractorStyle(style);
 
  renderWindowInteractor->SetRenderWindow(renderWindow);
  renderWindowInteractor->Initialize();
 
  renderWindowInteractor->Start();


   return EXIT_SUCCESS;
   return EXIT_SUCCESS;

Revision as of 00:34, 18 November 2010

MedianImageFilter.cxx

<source lang="cpp">

  1. include "itkImage.h"
  2. include "itkImageFileReader.h"
  3. include "itkMedianImageFilter.h"
  1. include "QuickView.h"

int main(int argc, char * argv[]) { 

 // Verify command line arguments
 if( argc < 2 )
   {
   std::cerr << "Usage: " << std::endl;
   std::cerr << argv[0] << " InputImageFile [radius]" << std::endl;
   return EXIT_FAILURE;
   }
 double  = 2.0;

 // Parse command line arguments
 std::string inputFilename = argv[1];

 // Setup types
 typedef itk::Image< unsigned char, 2 >                 UnsignedCharImageType;
 typedef itk::ImageFileReader< UnsignedCharImageType >  readerType;
 typedef itk::MedianImageFilter<
   UnsignedCharImageType, UnsignedCharImageType >       filterType;

 // Create and setup a reader
 readerType::Pointer reader = readerType::New();
 reader->SetFileName( inputFilename.c_str() );

 // Create and setup a median filter
 filterType::Pointer medianFilter = filterType::New();
 medianFilter->SetInput( reader->GetOutput() );

 QuickView viewer;
 viewer.AddImage<UnsignedCharImageType>(reader->GetOutput());  
 viewer.AddImage<UnsignedCharImageType>(medianFilter->GetOutput());  
 viewer.Visualize();

 return EXIT_SUCCESS;

} </source>

CMakeLists.txt

<source lang="cmake"> cmake_minimum_required(VERSION 2.6)

PROJECT(MedianImageFilter)

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(MedianImageFilter MedianImageFilter.cxx) TARGET_LINK_LIBRARIES(MedianImageFilter vtkHybrid ITKBasicFilters ITKIO ITKCommon)

</source>

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