Adaptive halftoned visual cryptography with improved quality and security.

Srividhya Sridhar R. Sathishkumar Gnanou Florence Sudha

Published in: Multim. Tools Appl. (2017)

Keyphrases

gray scale
error diffusion
visual cryptography
gray scale images
binary images
high quality
halftone images
inverse halftoning
gray level
quality measures
multiscale
color images
encryption scheme
key management
secret sharing scheme