polarFFT

  These are examples of the application of the NFFT for the computation of the

  - polar FFT: polar_fft_test.c

  - modified polar FFT: mpolar_fft_test.c

  - pseudopolar (linogram) FFT: linogram_fft_test.c.

  Use the Matlab script file fft_test.m for a demonstration.


  Reference:

 [1]  M. Fenn, S. Kunis, and D. Potts. On the computation of the polar FFT.
      Appl. Comput. Harmon. Anal., accepted.

 [2]  D. Potts, and G. Steidl, G. A new linogram algorithm for computerized 
      tomography. IMA J. Numer. Anal. 21, 769-782, 2001
