Perceptual Digital Watermarking for Image Authentication in Electronic Commerce.
Ming-Shing HsiehDin-Chang TsengPublished in: Electron. Commer. Res. (2004)
Keyphrases
- electronic commerce
- image authentication
- digital watermarking
- copyright protection
- digital images
- watermarking scheme
- discrete wavelet transform
- watermarking algorithm
- human visual system
- jpeg compression
- watermarking technique
- digital signature
- spread spectrum
- digital content
- public key
- geometric distortions
- watermark embedding
- visual information
- image watermarking
- multiscale