An improved watermarking algorithm for color image using Schur decomposition.
Qingtang SuXiaofeng ZhangGang WangPublished in: Soft Comput. (2020)
Keyphrases
- watermarking algorithm
- color images
- signal processing
- image watermarking
- jpeg compression
- wavelet domain
- color space
- color information
- watermarking scheme
- spread spectrum
- copyright protection
- lossy compression
- gray scale
- image authentication
- image processing
- digital watermarking
- digital image watermarking
- dct coefficients
- multiscale
- neural network
- watermarking technique
- discrete wavelet transform
- geometric distortions
- gray images
- feature extraction
- watermarking method