Structural Digital Signature and Semi-Fragile Fingerprinting for Image Authentication in Wavelet Domain.
Yan ZhuChang-Tsun LiHong-Jia ZhaoPublished in: IAS (2007)
Keyphrases
- image authentication
- wavelet domain
- digital signature
- watermarking algorithm
- digital watermarking
- copyright protection
- discrete wavelet transform
- public key
- jpeg compression
- denoising
- wavelet coefficients
- spatial domain
- wavelet transform
- watermarking technique
- multiresolution
- multiscale
- watermark embedding
- image denoising
- image watermarking
- human visual system
- smart card
- subband
- high frequency
- spread spectrum
- digital images
- key management
- watermarking scheme
- watermarked image
- transform domain
- secret key
- natural images
- noisy images
- digital content
- image processing
- multimedia content
- similarity measure