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cs-tomography.md

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Radon Transform

FFT

FFTW

Fourier slice theorem

Error correction

DCT

NOTES
  • In MATLAB, we can form an nxn FFT matrix by doing fft(eye(n)). In Julia, doing fft(eye(n)) doesn't seem to be giving me the same result. I am actually interested in randomly sampling the rows of a FFT matrix, and doing matrix-vector multiples with only those rows. I was wondering if there was a way to use plan_fft to get the nlogn flop speed using plan_fft in this case.
  • Julia fft(A) is the 2d DFT of A. You can get MATLAB's behavior with fft(A, 1)

PHANTOM


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Radon Transform

TomoPy


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