<div dir="ltr">Hi,<div>I read the projections of a fan Beam CT by below syntax:</div><div><br></div><div>using ReaderType = itk::ImageSeriesReader< OutputImageType >;<br>      ReaderType::Pointer reader = ReaderType::New();<br>       const unsigned int first = std::stoi("10000");<br>      const unsigned int last = std::stoi("10403");<br>       using NameGeneratorType = itk::NumericSeriesFileNames;<br>        NameGeneratorType::Pointer nameGenerator = NameGeneratorType::New();<br>  nameGenerator->SetSeriesFormat("F:/Data Aqu/98.04.17/Tiff-1/%04d.tiff");<br> nameGenerator->SetStartIndex(first);<br>       nameGenerator->SetEndIndex(last);<br>  nameGenerator->SetIncrementIndex(1);<br>       reader->SetImageIO(itk::TIFFImageIO::New());<br>       reader->SetFileNames(nameGenerator->GetFileNames());<br></div><div><br></div><div><a href="https://fastdic.com/word/How" class="gmail-js-word" style="box-sizing:border-box;background-color:rgb(245,245,245);text-decoration-line:none;color:rgb(77,77,77);font-family:"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;font-size:16px">How</a><span style="color:rgb(0,0,0);font-family:"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;font-size:16px;background-color:rgb(245,245,245)"> </span><a href="https://fastdic.com/word/to" class="gmail-js-word" style="box-sizing:border-box;background-color:rgb(245,245,245);text-decoration-line:none;color:rgb(77,77,77);font-family:"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;font-size:16px">to</a><span style="color:rgb(0,0,0);font-family:"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;font-size:16px;background-color:rgb(245,245,245)"> </span><a href="https://fastdic.com/word/set" class="gmail-js-word" style="box-sizing:border-box;background-color:rgb(245,245,245);text-decoration-line:none;color:rgb(77,77,77);font-family:"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;font-size:16px">set</a><span style="color:rgb(0,0,0);font-family:"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;font-size:16px;background-color:rgb(245,245,245)"> </span><a href="https://fastdic.com/word/Ali" class="gmail-js-word" style="box-sizing:border-box;background-color:rgb(245,245,245);text-decoration-line:none;color:rgb(77,77,77);font-family:"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;font-size:16px">uniformWeightsSource</a><span style="color:rgb(0,0,0);font-family:"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;font-size:16px;background-color:rgb(245,245,245)">'s </span><a href="https://fastdic.com/word/parameter" class="gmail-js-word" style="box-sizing:border-box;background-color:rgb(245,245,245);text-decoration-line:none;color:rgb(77,77,77);font-family:"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;font-size:16px">parameter</a><span style="color:rgb(0,0,0);font-family:"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;font-size:16px;background-color:rgb(245,245,245)"> </span><a href="https://fastdic.com/word/in" class="gmail-js-word" style="box-sizing:border-box;background-color:rgb(245,245,245);text-decoration-line:none;color:rgb(77,77,77);font-family:"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;font-size:16px">in</a><span style="color:rgb(0,0,0);font-family:"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;font-size:16px;background-color:rgb(245,245,245)"> </span><a href="https://fastdic.com/word/Reza" class="gmail-js-word" style="box-sizing:border-box;background-color:rgb(245,245,245);text-decoration-line:none;color:rgb(77,77,77);font-family:"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;font-size:16px">ConjugateGradientConeBeamReconstructionFilter</a><span style="color:rgb(0,0,0);font-family:"Helvetica Neue",Helvetica,Arial,Verdana,sans-serif;font-size:16px;background-color:rgb(245,245,245)">?</span>  <br></div><div><br></div><div><br></div><div>typedef rtk::ConjugateGradientConeBeamReconstructionFilter< OutputImageType > ConjugateGradientType;<br>      ConjugateGradientType::Pointer conjugategradient = ConjugateGradientType::New();<br>      conjugategradient->SetInput(tomographySource->GetOutput());<br>     conjugategradient->SetInput(1, reader->GetOutput());<br>    conjugategradient->SetInput(2, <b><font color="#f4cccc"><u style="background-color:rgb(255,0,0)">uniformWeightsSource</u></font></b>->GetOutput());<br>     conjugategradient->SetGeometry(geometry);<br>  conjugategradient->SetNumberOfIterations(1);<br>       conjugategradient->SetDisableDisplacedDetectorFilter(true);<br>        conjugategradient->SetGamma(1);<br></div><div><br></div><div>Best regards     <br></div><div dir="rtl">ذث</div></div>