<div dir="ltr"><div>Hi,</div><div>Thanks for your interest. Prefer the mailing list (cc) for your questions. <span style="color:rgb(0,0,0);font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt"></span><span style="color:rgb(0,0,0);font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt">rtkSARTConeBeamReconstructionFilter can use the GPU by setting GPU forward and backprojectors, simply set the adequate projector. For example, check <a href="https://github.com/SimonRit/RTK/blob/master/applications/rtksart/rtksart.cxx">rtksart</a> the <a href="https://github.com/SimonRit/RTK/blob/master/applications/rtkprojectors_section.ggo">command line options</a> CudaRayCast, CudaVoxelBased are used to set GPU projectors. CudaVoxelBased is the most efficient BP but CudaRayCast is matched to the corresponding BP.</span></div><div><span style="color:rgb(0,0,0);font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt">Cheers,</span></div><div><span style="color:rgb(0,0,0);font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt">Simon<br></span></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 31, 2021 at 6:31 PM Jillian Yuan <<a href="mailto:yu.yuan@mail.mcgill.ca">yu.yuan@mail.mcgill.ca</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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Dear Simon,</div>
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Hope this email finds you well.</div>
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<span style="color:rgb(0,0,0);font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt">I want to use RTK package for SART reconstruction, and I only find the file '</span><span style="color:rgb(0,0,0);font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt">rtkSARTConeBeamReconstructionFilter'</span><span style="color:rgb(0,0,0);font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt">.
I am wondering if RTK supports SART reconstruction using CUDA/GPU, or only CPU at this moment?</span><br>
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<span style="color:rgb(0,0,0);font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt">Thank you so much. Looking forward for your reply.</span></div>
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<span style="color:rgb(0,0,0);font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt">Best regards,</span></div>
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<span style="color:rgb(0,0,0);font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt">JillianĀ </span></div>
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