An improved color image watermarking algorithm based on QR decomposition.
Qingtang SuGang WangXiaofeng ZhangGaohuan LvBeijing ChenPublished in: Multim. Tools Appl. (2017)
Keyphrases
- watermarking algorithm
- color images
- qr decomposition
- signal processing
- jpeg compression
- wavelet domain
- image watermarking
- decomposition method
- singular value decomposition
- linear discriminant analysis
- watermarking scheme
- image processing
- dct coefficients
- dimension reduction
- discriminant analysis
- data sets
- high resolution
- image restoration
- neural network