Hi, The two algorithms differ: Cuda uses trilinear interpolation where Joseph uses bilinear interpolation in the slices of the main direction. Other than that, you should get very similar results (visually) from the same input images and geometry. Don't hesitate to share the dataset if you'd like us to test it. I'm not sure what you mean by "any config parameters to check whether CUDA is actually working or not. "? But looking at the output and checking that the result looks good is definitely the first step. Best regards, Simon
On Fri, Jan 27, 2017 at 5:37 PM, Yu Zhang <[email protected]> wrote: > Hi Simon, > > May I ask you a question about how to use the following filters: > CudaForwardProjectionImageFilter is similar to > JosephForwardProjectionImageFilter > > I was able to get satisfied results using > JosephForwardProjectionImageFilter, > However, when I switch to CudaForwardProjectionImageFilter, the output is > all zero. > I run the test of those filters, which turns out to be successful. But I am > not aware of > any config parameters to check whether CUDA is actually working or not. > The version I am using is rtk 1.3.0, but it is the same as previous version > from github. > > Best regards, > Yu Zhang > > > _______________________________________________ > Rtk-users mailing list > [email protected] > http://public.kitware.com/mailman/listinfo/rtk-users > _______________________________________________ Rtk-users mailing list [email protected] http://public.kitware.com/mailman/listinfo/rtk-users
