Tamper detection and localization for categorical data using fragile watermarks.
Yingjiu LiHuiping GuoSushil JajodiaPublished in: Digital Rights Management Workshop (2004)
Keyphrases
- categorical data
- tamper detection
- image authentication
- data hiding
- spread spectrum
- cluster analysis
- watermarking scheme
- public key
- numerical data
- jpeg compression
- digital watermarking
- copyright protection
- attribute values
- watermarking algorithm
- image content
- authentication scheme
- watermarking technique
- pattern recognition
- peak signal to noise ratio
- image watermarking
- multimedia
- digital images
- multiresolution
- clustering algorithm