An algebra of arrays and almost perfect watermarks.
Nathan JollyPublished in: Cryptogr. Commun. (2015)
Keyphrases
- digital images
- watermarking scheme
- spread spectrum
- query language
- copyright protection
- digital watermarking
- data model
- algebraic expressions
- relational algebra
- image authentication
- watermarking algorithm
- jpeg compression
- linear array
- data sets
- semi fragile watermarking
- algebraic operations
- watermark embedding
- set theory
- expressive power
- image compression
- relational databases
- data structure
- databases