A sparse approximation for fractional Fourier transform.

Fang Yang Jiecheng Chen Tao Qian Jiman Zhao

Published in: Adv. Comput. Math. (2024)

Keyphrases

sparse approximation
fractional fourier transform
linear combination
log polar
sparse coding
gaussian process
noise model
space variant
convex relaxation
image patches
template matching
natural images
spatial domain
marginal likelihood
feature extraction
test images
multiresolution