Hi, FDK uses the output of ProjectionsReader, which can be accessed with the command line rtkprojections. Please the mailing list for your questions, they might be of interest to everyone. Simon
On Thu, Oct 26, 2023 at 2:38 PM Fuquan Deng <dfq_2...@163.com> wrote: > Hi, > I have recoveried iterative beam harden correction algorithm. The > algorithm needs the intensity of the whole projection image. I have tried > to calculate the air intensity. Use the intensity to calculate the > ln(image), and get the result A. On the other hand, I use the FDK > reconstruct the 3D image and then forward projection by forward projection > filtered to get the matrix B. > Then, I calculated C=A-B. The std(C) is about 0.45*std(A) and mean(C) is > about 0.46*mean(A). There is a big different between A and B. How can i get > the true intensity that FDK uses to reconstruct? > Thanks a lot! > >
_______________________________________________ Rtk-users mailing list rtk-us...@openrtk.org https://www.creatis.insa-lyon.fr/mailman/listinfo/rtk-users
