Application of composite invisible image watermarks to simplify detection of a distinct watermark from a large set.
Gordon W. BraudawayFrederick C. MintzerPublished in: Security and Watermarking of Multimedia Contents (2002)
Keyphrases
- watermark detection
- digital images
- image processing operations
- watermarking technique
- image authentication
- spread spectrum
- digital watermark
- watermarking scheme
- image data
- image features
- input image
- image content
- geometric distortions
- image watermarking
- image retrieval
- digital watermarking
- image set
- image segmentation
- watermarking method
- multiscale
- watermarking algorithm
- forgery detection
- high resolution
- auto correlation
- video watermarking
- semi fragile watermarking
- image blocks
- error correction
- image regions
- edge detection