A Semi-fragile Watermark Scheme Based on the Logistic Chaos Sequence and Singular Value Decomposition.
Jian LiBo SuShenghong LiShilin WangDanhong YaoPublished in: IDEAL (2008)
Keyphrases
- singular value decomposition
- semi fragile
- watermarking scheme
- watermarking algorithm
- image authentication
- jpeg compression
- tamper detection
- watermarking method
- singular values
- data hiding
- semi fragile watermarking
- digital watermarking
- watermarking technique
- watermarked image
- least squares
- watermark embedding
- copyright protection
- spread spectrum
- low rank
- lossy compression
- dimensionality reduction
- discrete wavelet transform
- error correction
- principal component analysis
- signal processing
- image watermarking
- digital images
- dct coefficients
- jpeg images
- wavelet domain
- multiresolution
- neural network
- image quality
- watermark detection
- image compression
- video sequences