Gram filtering and sinogram interpolation for pixel-basis in parallel-beam X-ray CT reconstruction

27 May 2020 Ziyu Shu Alireza Entezari

The key aspect of parallel-beam X-ray CT is forward and back projection, but its computational burden continues to be an obstacle for applications. We propose a method to improve the performance of related algorithms by calculating the Gram filter exactly and interpolating the sinogram signal optimally... (read more)

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