[ITK] [ITK-users] Lost Patient, Study and Series DICOM tags

[Dženan Zukić]

Hi Piotr,

if you want to carry over metadata from input image to output image, you
should save the metadata dictionary in a way similar to this:

itk::MetaDataDictionary metadata;

template< typename TImage >
itk::SmartPointer<TImage> readImage(std::string fileName)
{
    typedef itk::ImageFileReader<TImage> ReaderType;
    typename ReaderType::Pointer reader = ReaderType::New();
    reader->SetFileName(fileName.c_str());
    try
    {
        reader->Update();
        metadata = reader->GetMetaDataDictionary();
        return reader->GetOutput();
    }
    catch (itk::ExceptionObject & error)
    {
        std::cerr << "Error: " << error << std::endl;
        return NULL;
    }
}

template< typename TImage >
void writeImage(itk::SmartPointer<TImage> image, std::string fileName)
{
    image->SetMetaDataDictionary(metadata); //full metadata
    typedef itk::ImageFileWriter<TImage> WriterType;
    typename WriterType::Pointer writer = WriterType::New();
    writer->SetFileName(fileName.c_str());
    writer->SetInput(image);
    try
    {
        writer->Update();
    }
    catch (itk::ExceptionObject & error)
    {
        std::cerr << "Error: " << error << std::endl;
    }
}

On Tue, Jul 5, 2016 at 2:46 AM, Piotr Piasecki <piotpia124 at student.polsl.pl>
wrote:

> Dear Sir or Madam.
>
> I am a student in Biomedical Engineering at the Silesian University of
> Technology. During my studies I worked with ITK and SimpleITK in C#. I want
> to use them in my current project, but I have an important question. After
> loading and processing a series of .dcm files I lost information about the
> patient and study to which they belong, and that they belong to one series.
> How can I keep this information?
>
> I will be very grateful for any answer.
>
> Best regards.
>
> Peter.
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