Watermark extimation through local pixel correlation.
Matthew J. HollimanNasir D. MemonMinerva M. YeungPublished in: Security and Watermarking of Multimedia Contents (1999)
Keyphrases
- digital images
- adjacent pixels
- watermarking algorithm
- watermarking scheme
- copyright protection
- input image
- correlation coefficient
- image blocks
- image watermarking
- jpeg compression
- audio signal
- geometric distortions
- feature extraction
- spread spectrum
- pixel wise
- image authentication
- image processing operations
- spatial domain
- robust image watermarking