User-friendly threshold visual cryptography with complementary cover images.

Pei-Ling Chiu Kai-Hui Lee

Published in: Signal Process. (2015)

Keyphrases

user friendly
image data
ground truth
user interface
visual cryptography
secret image
input image
test images
multiple images
human eyes
image regions
original images
gray value
graphical interface
user friendly interface
image segmentation
halftone images
pixel values
multiresolution