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Dear all, I'm doing an assignment abt medical image reconstruction, according to the papers writing, Kaiser-Bessel Window seems the best kernel for the gridding algorithm. However, a I in the equation whcihc is known as sthg relate to the Bessel Function, which i cannot handle it in the Matlab, I wanna ask if anyone has tried the gridding algorith in Matlab for image reconstruction. Or do u know how to find out the values of I. thx a lot Eddy |