Projection slice theorem using polar NUFFT
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Hi everyone!
Are there any implementation of the central slice theorem using the polar_FFT of NUFFT ( nonuniform FFT )?
Actually I am trying to simulate CT reconstruction as below:
- take the Radon transform of a 2D slice over different theta,
- generate a sampling pattern (radial mask)
- generate a variable density radial grid.
- place the radon transform into the radial grid
- generate Fourier sampling operator {ex: FT = p2DFT(mask)}
- Item reconstruct initial image with (zero-fill with density compensation ) (ex: im = FT'*(data))
I would be very grateful for your help Thank you Alan
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