Efficient frequency domain selective scrambling of digital video.

Wenjun Zeng Shawmin Lei

Published in: IEEE Trans. Multim. (2003)

Keyphrases

frequency domain
digital video
fourier transform
spatial domain
power spectrum
feature extraction
video data
cross correlation
frequency analysis
denoising
subband
filter bank
video content
feature vectors
spectrum analysis
power spectra
multimedia
video database
three dimensional