Colored visual cryptography without color darkening.

Stelvio Cimato Roberto De Prisco Alfredo De Santis

Published in: Theor. Comput. Sci. (2007)

Keyphrases

visual cryptography
secret sharing scheme
color images
visual cryptography scheme
color information
human eyes
color space
error diffusion
halftone images
natural images
image processing
gray scale
image regions
secret image