Application of invisible image watermarks to produce remotely printed, duplication-resistant, and demonstrably authentic documents.
Gordon W. BraudawayFrederick C. MintzerJohn M. SocolofskyCharles Philippe TresserChai Wah WuPublished in: Security and Watermarking of Multimedia Contents (2001)
Keyphrases
- scanned documents
- image data
- single image
- input image
- image retrieval
- image features
- image classification
- image analysis
- image representation
- multiscale
- image content
- information retrieval
- image authentication
- image segmentation
- test images
- digital images
- image processing operations
- web documents
- text documents
- high resolution
- motion estimation
- spread spectrum
- learning environment
- similarity measure
- watermarking method
- digital watermark