Exact and fast inversion of the approximate discrete Radon transform from partial data

08/02/2019
by   Donsub Rim, et al.
0

We give an exact inversion formula for the approximate discrete Radon transform introduced in [Brady, SIAM J. Comput., 27(1), 107–119] that is of cost O(N log N) for a square 2D image with N pixels and requires only partial data.

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