A Gray Scale Watermarking Algorithm Based on LU Factorization.
Shumei WangWeidong ZhaoZhicheng WangPublished in: ISIP (2008)
Keyphrases
- gray scale
- watermarking algorithm
- signal processing
- binary images
- jpeg compression
- gray scale images
- color images
- wavelet domain
- gray level
- mathematical morphology
- image watermarking
- watermarking scheme
- copyright protection
- pairwise
- structuring elements
- singular value decomposition
- dct coefficients
- inverse halftoning
- multiscale
- geometric attacks
- computer vision
- watermarking technique
- denoising
- similarity measure