[Insight-users] Read Wrong Values from Image

Maz mazzok at gmx.at
Wed Feb 22 08:58:34 EST 2012


Hello,
The input dicom is a x ray,16bit! Ive tried opening the input image with int,unsigned int(32bit) and short(16bit) same results for both tries!
Regards,m



Von meinem Sony Ericsson Sony Ericsson Live gesendet

Bill Lorensen <bill.lorensen at gmail.com> schrieb:

>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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