A multiplier-less 1-D and 2-D fast Fourier transform-like transformation using sum-of-powers-of-two (SOPOT) coefficients.

S. C. Chan P. M. Yiu

Published in: ISCAS (4) (2002)

Keyphrases

fast fourier transform
floating point
fourier transform
frequency domain
signal processing
spectral analysis
fourier transformation
fixed point
wavelet coefficients
linear combination
discrete wavelet transform
basis functions
machine learning
hartley transform
image processing
multiscale