[Insight-users] Read Wrong Values from Image

[Bill Lorensen]

What kind of dicom image is it? CT, MR, PET...

On Wed, Feb 22, 2012 at 6:33 AM, Martin Waitzbauer <mazzok at gmx.at> wrote:
> Hellom
>
> Im experiencing a strange error in the code
>
>  typedef float                                  PixelType;
>  typedef itk::Image< PixelType, Dimension >     ImageType;
>  typedef itk::ImageFileReader< ImageType >            FixedImageReaderType;
>   typename FixedImageReaderType::Pointer fixedImageReader
>     = FixedImageReaderType::New();
>  typename itk::GDCMImageIO::Pointer DCMimageIO;
>  DCMimageIO = itk::GDCMImageIO::New();
>
>
>  fixedImageReader->SetImageIO(DCMimageIO);
>  try
>    {
>    fixedImageReader->Update();
>    }
>  catch( itk::ExceptionObject& err )
>    {
>    std::cout << "Could not read one of the input images." << std::endl;
>    std::cout << err << std::endl;
>    exit( EXIT_FAILURE );
>    }
>   typedef itk::MinimumMaximumImageCalculator<ImageType> MinMaxType;
>                  MinMaxType::Pointer minmaxcalc = MinMaxType::New();
>                  minmaxcalc->SetImage(fixedImageReader->GetOutput());
>                  minmaxcalc->Compute();
>                  int min = minmaxcalc->GetMinimum();
>                  int max = minmaxcalc->GetMaximum();
>
>
>
> The min / Max values give 8833/ 16093  respectively, although opening the input image in ImageJ for example shows values from 290-7750 only
>
> what am i doing wrong here, someboday knows an answer?
>
>
> Merci!
>
>
> Regards, M
>
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