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Slice Theorem
Detector index
Rotation angle
Sinogram
Theoretically it would be possible to reconstruct the original image
by doing the Fourier transform of all the lines of the sinogram, in
such a way to obtain the lines of F(u,v) along all the angles, and
then computing the inverse Fourier transform to obtain f(x,y).
Normally another process called filtered backprojection is preferred.