[Rtk-users] error on build rtk in visual studio 2012 when rtk use cuda

[safdary mohsen]

Hi Yang


I am use rtkfdk.exe but the results are same as  my code,

means all pixels are zero!!!


regards



safdari

On Mon, Jun 15, 2015 at 7:10 PM, Yang K Park <theday79 at gmail.com> wrote:

> Hi Safdary,
>
>
>
> Again, please cc rtk-users at openrtk.org when you send your email, since
> other users (much better experts than me!) can give us any suggestions.
>
>
>
> Thanks.
>
>
>
> Yang
>
>
>
> *From:* Yang K Park [mailto:theday79 at gmail.com]
> *Sent:* Monday, June 15, 2015 10:37 AM
> *To:* 'safdary mohsen'
> *Cc:* rtk-users at openrtk.org
> *Subject:* RE: [Rtk-users] error on build rtk in visual studio 2012 when
> rtk use cuda
>
>
>
> Hi Safdary,
>
>
>
> I recommend you to try rtkfdk.exe first (with cuda option) to see if it
> works for you.
>
>
>
> The example of the command line would be:
>
>
>
> rtkfdk --geometry geom.xml --path proj_dir --regexp .*.his --output
> test_output.mha --verbos  --spacing 1,1,1 --dimension 512,10,512 --origin
> -127.875,29.5,-127.875 --hardware cuda
>
>
>
> If it works for your image, then you can mimic the original rtkfdk code to
> make your own one.
>
>
>
> Good luck!
>
>
>
> Yang
>
>
>
>
>
>
>
>
>
> *From:* safdary mohsen [mailto:ieee.safdary at gmail.com
> <ieee.safdary at gmail.com>]
> *Sent:* Saturday, June 13, 2015 11:58 PM
> *To:* Yang K Park
> *Subject:* Re: [Rtk-users] error on build rtk in visual studio 2012 when
> rtk use cuda
>
>
>
> Hi Yang
>
>
>
> I have tried to adjust the window/level to see something inside of the
> image but all pixels set to zero.
>
> *My code is:*
>
> #define USE_CUDA
>
> int main(int , char **)
>
> {
>
> //// variable
>
> const unsigned int Dimension = 3;
>
> typedef float OutputPixelType;
>
> #ifdef USE_CUDA
>
> typedef itk::CudaImage< OutputPixelType, Dimension > OutputImageType;
>
> #else
>
> typedef itk::Image< OutputPixelType, Dimension > OutputImageType;
>
> #endif
>
>
> ////////////////////////////////////////////////////////////////////////////////////////////////////
>
> // Generate file names of projections
>
> itk::RegularExpressionSeriesFileNames::Pointer names = itk::
> RegularExpressionSeriesFileNames::New();
>
> names->SetDirectory(std::string("d://RTK/build/bin/Release/Scan1/"));
>
> names->SetRegularExpression(std::string("Proj_.*.hnd"));
>
>
> ////////////////////////////////////////////////////////////////////////////////////////////////////
>
> //// geometry
>
> // Defines the RTK geometry object
>
> typedef rtk::ThreeDCircularProjectionGeometry GeometryType;
>
> GeometryType::Pointer geometry = GeometryType::New();
>
> // Projection matrices
>
> unsigned int numberOfProjections = 86;
>
> unsigned int firstAngle = 0;
>
> unsigned int angularArc = 360;
>
> unsigned int sid = 1000;
>
> unsigned int sdd = 1200;
>
> int isox = 0;
>
> int isoy = 0 ;
>
> for(unsigned int noProj=0; noProj<numberOfProjections; noProj++)
>
> {
>
> double angle = (float)firstAngle + (float)noProj * angularArc / (float
> )numberOfProjections;
>
> geometry->AddProjection(sid,
>
> sdd,
>
> angle,
>
> isox,
>
> isoy);
>
> }
>
>
> /////////////////////////////////////////////////////////////////////////////////////////////////////
>
>
> ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
>
> // Projections reader
>
> typedef rtk::ProjectionsReader< OutputImageType > ReaderType;
>
> ReaderType::Pointer reader = ReaderType::New();
>
> reader->SetFileNames(names->GetFileNames());
>
> ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
>
>
> // Create reconstructed image ////////////////////////////////////
>
> typedef rtk::ConstantImageSource< OutputImageType >
> ConstantImageSourceType;
>
> ConstantImageSourceType::Pointer ImageSource = ConstantImageSourceType
> ::New();
>
> ConstantImageSourceType::PointType origin;
>
> ConstantImageSourceType::SizeType sizeOutput;
>
> ConstantImageSourceType::SpacingType spacing;
>
> origin[0] = -127.75;
>
> origin[1] = -127.75;
>
> origin[2] = -127.75;
>
>
>
> sizeOutput[0] = 512;
>
> sizeOutput[1] = 512;
>
> sizeOutput[2] = 512;
>
> spacing[0] = .5;
>
> spacing[1] = .5;
>
> spacing[2] = .5;
>
> ImageSource->SetOrigin( origin );
>
> ImageSource->SetSpacing( spacing );
>
> ImageSource->SetSize( sizeOutput );
>
> ImageSource->SetConstant( 0. );
>
> // getchar(); //////////////////////////////////////
>
> /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
>
>
> std::cout << "Performing reconstruction" << std::endl;
>
> // FDK reconstruction filtering
>
> // FDK reconstruction filtering
>
> #ifdef USE_CUDA
>
> typedef rtk::CudaFDKConeBeamReconstructionFilter FDKType;
>
> #elif USE_OPENCL
>
> typedef rtk::OpenCLFDKConeBeamReconstructionFilter FDKType;
>
> #else
>
> typedef rtk::FDKConeBeamReconstructionFilter< OutputImageType > FDKType;
>
> #endif
>
> FDKType::Pointer feldkamp = FDKType::New();
>
> feldkamp->SetInput( 0, ImageSource->GetOutput() );
>
> feldkamp->SetInput( 1, reader->GetOutput());
>
> feldkamp->SetGeometry( geometry);
>
> TRY_AND_EXIT_ON_ITK_EXCEPTION( feldkamp->Update() );
>
> std::cout << "Writing output image" << std::endl;
>
> // Writer
>
> typedef itk::Image< float, 3 > ImageType;
>
> typedef itk::ImageFileWriter<ImageType> WriterType;
>
> WriterType::Pointer writer = WriterType::New();
>
> writer->SetFileName( "output11.mha" );
>
> writer->SetInput( feldkamp->GetOutput() );
>
> writer->Update();
>
>
>
> getchar();
>
> return 0;
>
> }
>
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