Halftone visual cryptography with color shares.

Yuanfeng Liu Zhongmin Wang

Published in: GrC (2012)

Keyphrases

visual cryptography
visual cryptography scheme
error diffusion
halftone images
secret sharing scheme
secret sharing
gray scale
color images
human eyes
secret image
data hiding
black and white
image quality
color information
digital images
spatial domain
human vision
direct binary search
image reconstruction