Visual Cryptography Based on Void-And-Cluster Halftoning Technique.

Emi Myodo Shigeyuki Sakazawa Yasuhiro Takishima

Published in: ICIP (2006)

Keyphrases

visual cryptography
error diffusion
halftone images
secret sharing scheme
gray scale
visual cryptography scheme
color images
secret image sharing
post processing
black and white
motion estimation
image quality
data hiding
image processing
binary images
visual quality