Walsh-Hadamard Transform in the Homomorphic Encrypted Domain and Its Application in Image Watermarking.

Peijia Zheng Jiwu Huang

Published in: Information Hiding (2012)

Keyphrases

image watermarking
jpeg compression
geometric distortions
video data
discrete wavelet transform
digital watermarking
feature extraction
digital images
rate distortion
watermarking algorithm
additive noise
lossy compression