Digital Watermarking Authentication and Restoration for Chinese Calligraphy Images.

Anthony T. S. Ho Xunzhan Zhu H. Lilian Tang

Published in: DSP (2007)

Keyphrases

digital watermarking
image database
lossy compression
image authentication
image data
image features
geometric distortions

digital images
image restoration
image registration
image classification
copyright protection
test images
watermarking scheme

image retrieval
image collections
content based retrieval
chinese calligraphy
gray level images
image regions

image compression
digital libraries
image quality
motion estimation
similarity measure
image processing