An improved color image watermarking scheme based on Schur decomposition.
Qingtang SuBeijing ChenPublished in: Multim. Tools Appl. (2017)
Keyphrases
- watermarking scheme
- color images
- digital watermarking
- copyright protection
- spread spectrum
- image watermarking scheme
- error correction
- color information
- watermarking algorithm
- reversible watermarking
- video watermarking
- jpeg compression
- image authentication
- geometric attacks
- geometric distortions
- watermarking technique
- digital watermark
- watermark embedding
- digital image watermarking
- gray scale
- image watermarking
- watermark extraction
- image processing
- image decomposition
- watermarking method
- digital images
- robust watermarking scheme