Improving the perceived quality of half tone secret images in visual cryptography.

Yusuf Engin Tetik Aytekin Yildizhan Kadir Erol

Published in: SIU (2015)

Keyphrases

secret image
visual cryptography
perceived quality
secret sharing scheme
input image
image database
image data
human eyes
ground truth
test images
visual cryptography scheme
secret sharing
image retrieval
image quality metrics
image reconstruction
multiresolution
multiscale