Halftone visual cryptography via error diffusion.

Zhongmin Wang Gonzalo R. Arce Giovanni Di Crescenzo

Published in: IEEE Trans. Inf. Forensics Secur. (2009)

Keyphrases

error diffusion
visual cryptography
halftone images
gray scale
image quality
gray level
inverse halftoning
halftoning algorithm
human visual system
frequency domain
continuous tone images
data hiding
color images
multiresolution
spatial resolution
secret sharing scheme
visual quality
binary images
computer vision