Digital Watermarking Authentication and Restoration for Chinese Calligraphy Images.
Anthony T. S. HoXunzhan ZhuH. Lilian TangPublished 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