DWT-Domain Dual Watermarking Algorithm of Color Image Based on Visual Cryptography.
Yanyan HanYixiao ShangWencai HePublished in: IIH-MSP (2013)
Keyphrases
- public key
- watermarking algorithm
- visual cryptography
- image authentication
- barcode
- jpeg compression
- secret sharing scheme
- signal processing
- color images
- wavelet domain
- spread spectrum
- watermarking scheme
- copyright protection
- image watermarking
- dct coefficients
- watermarking technique
- digital watermarking
- human eyes
- halftone images
- multiresolution
- gray scale
- multiscale
- digital images
- error diffusion
- image denoising