A Stable and Accurate Butterfly Sparse Fourier Transform.

Stefan Kunis Ines Melzer

Published in: SIAM J. Numer. Anal. (2012)

Keyphrases

fourier transform
frequency domain
signal processing
fourier domain
frequency spectrum
radon transform
fast fourier transform
fourier analysis
log polar
fourier coefficients
high quality
phase difference
image processing
sparse representation
fourier descriptors
polar coordinates