2D Barcodes for visual cryptography.

Guangyu Wang Feng Liu Wei Qi Yan

Published in: Multim. Tools Appl. (2016)

Keyphrases

visual cryptography
barcode
secret sharing scheme
high capacity
visual cryptography scheme
black and white
secret sharing
human eyes
secret information
halftone images
mobile devices
image acquisition
key management
data hiding
watermarking algorithm
hough transform
gray scale
multiresolution
face recognition