[Insight-users] ITK Series Dicom 16bit in Series dicom 8bit

[Bill Lorensen]

What is the problem you are seeing?

On Fri, May 23, 2008 at 6:51 AM, Slivietta <silvianeg at alice.it> wrote:
>
> hello..
> I want read a dicom series and write another dicom series with the same name
> but..change from 16bit to 8bit..
> This is my code..but there are problem..
> Can you help me?
> thank you in advance.. ;)
>
> #include "itkGDCMImageIO.h"
> #include "itkGDCMSeriesFileNames.h"
> #include "itkImageSeriesReader.h"
> #include "itkImageSeriesWriter.h"
>
> #include <vector>
> #include <itksys/SystemTools.hxx>
>
> int main( int argc, char* argv[] )
> {
>  if( argc < 3 )
>    {
>    std::cerr << "Usage: " << argv[0] <<
>      " DicomDirectory  OutputDicomDirectory" << std::endl;
>    return EXIT_FAILURE;
>    }
>
>  typedef signed short    PixelType;
>  const unsigned int      Dimension = 3;
>
>  typedef itk::Image< PixelType, Dimension >      ImageType;
>  typedef itk::ImageSeriesReader< ImageType >     ReaderType;
>
>  typedef itk::GDCMImageIO                        ImageIOType;
>  typedef itk::GDCMSeriesFileNames                NamesGeneratorType;
>
> typedef itk::RescaleIntensityImageFilter<ReaderType,SeriesWriterType >
> FilterType;
> FilterType::Pointer filter = FilterType::New();
> filter->SetOutputMinimum(   0 );
> filter->SetOutputMaximum( 255 );
>
>  ImageIOType::Pointer gdcmIO = ImageIOType::New();
>  NamesGeneratorType::Pointer namesGenerator = NamesGeneratorType::New();
>
>  namesGenerator->SetInputDirectory( argv[1] );
>  const ReaderType::FileNamesContainer & filenames =
> namesGenerator->GetInputFileNames();
>
>  unsigned int numberOfFilenames =  filenames.size();
>  std::cout << numberOfFilenames << std::endl;
>  for(unsigned int fni = 0; fni<numberOfFilenames; fni++)
>    {
>    std::cout << "filename # " << fni << " = ";
>    std::cout << filenames[fni] << std::endl;
>    }
>
>  ReaderType::Pointer reader = ReaderType::New();
>
>  reader->SetImageIO( gdcmIO );
>  reader->SetFileNames( filenames );
>
>  try
>    {
>    reader->Update();
>    }
>  catch (itk::ExceptionObject &excp)
>    {
>    std::cerr << "Exception thrown while writing the image" << std::endl;
>    std::cerr << excp << std::endl;
>    return EXIT_FAILURE;
>    }
>
>  const char * outputDirectory = argv[2];
>
>  itksys::SystemTools::MakeDirectory( outputDirectory );
>
>  typedef signed short    OutputPixelType;
>  const unsigned int      OutputDimension = 2;
>  typedef itk::Image< OutputPixelType, OutputDimension >    Image2DType;
>
>  typedef itk::ImageSeriesWriter<ImageType, Image2DType >  SeriesWriterType;
>
>  SeriesWriterType::Pointer seriesWriter = SeriesWriterType::New();
>
> //  seriesWriter->SetInput( reader->GetOutput() );
>  seriesWriter->SetImageIO( gdcmIO );
> filter->SetInput( reader->GetOutput() );
> seriesWriter->SetInput( filter->GetOutput() );
>
>  namesGenerator->SetOutputDirectory( outputDirectory );
>
>  seriesWriter->SetFileNames( namesGenerator->GetOutputFileNames() );
>
>
> seriesWriter->SetMetaDataDictionaryArray(reader->GetMetaDataDictionaryArray()
> );
>  try
>    {
>    seriesWriter->Update();
>    }
>  catch( itk::ExceptionObject & excp )
>    {
>    std::cerr << "Exception thrown while writing the series " << std::endl;
>    std::cerr << excp << std::endl;
>    return EXIT_FAILURE;
>    }
>
>  return EXIT_SUCCESS;
> }
>
>
> --
> View this message in context: http://www.nabble.com/ITK-Series-Dicom-16bit--in-Series-dicom-8bit-tp17423248p17423248.html
> Sent from the ITK - Users mailing list archive at Nabble.com.
>
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