Image watermarking with a directed periodic pattern to embed multibit messages resilient to print-scan and compound attacks.
Anja KeskinarkausAnu PramilaTapio SeppänenPublished in: J. Syst. Softw. (2010)
Keyphrases
- image watermarking
- geometric distortions
- periodic patterns
- video watermarking
- spread spectrum
- watermarking algorithm
- watermarking technique
- geometric attacks
- watermark detection
- data hiding
- watermarking scheme
- image watermarking scheme
- jpeg compression
- digital watermark
- lossy compression
- interesting patterns
- copyright protection
- mining algorithm
- digital watermarking
- pattern mining
- digital image watermarking
- discrete wavelet transform
- digital images
- sequence analysis
- data streams
- watermark embedding
- data warehouse
- tree structure
- time stamped
- test images
- metadata
- compressed domain
- spatial domain