Joint Screening Halftoning and Visual Cryptography for Image Protection.

Chao-Yong Hsu Chun-Shien Lu Soo-Chang Pei

Published in: IWDW (2006)

Keyphrases

input image
edge detection
image data
multiscale
image segmentation
pixel values
high resolution
image processing
visual cryptography
secret image
visual cryptography scheme
halftone images
gray value
original images
hough transform
binary images
natural images
image quality