Butterfly-Net2: Simplified Butterfly-Net and Fourier Transform Initialization.

Zhongshu Xu Yingzhou Li Xiuyuan Cheng

Published in: MSML (2020)

Keyphrases

fourier transform
frequency domain
signal processing
power spectral density
radon transform
fourier coefficients
phase difference
polar coordinates
multiresolution
high frequency
natural images
denoising
log polar
fourier domain
fast fourier transform
fourier analysis
frequency spectrum
image data
image processing