Four-scanning attack on hierarchical digital watermarking method for image tamper detection and recovery.
Chin-Chen ChangYi-Hsuan FanWei-Liang TaiPublished in: Pattern Recognit. (2008)
Keyphrases
- tamper detection
- image authentication
- watermarking method
- digital watermarking
- input image
- image content
- image data
- watermarking scheme
- image features
- edge detection
- image retrieval
- multiscale
- data hiding
- test images
- image regions
- image representation
- watermarking algorithm
- image processing
- multiresolution
- digital images
- noisy images
- low frequency
- copyright protection