A Composite Approach for Blind Grayscale Logo Watermarking.
Elliot FirstXiaojun QiPublished in: ICIP (3) (2007)
Keyphrases
- gray scale
- color images
- binary images
- gray scale images
- grayscale images
- mathematical morphology
- watermarking scheme
- gray level
- digital images
- morphological operations
- watermark extraction
- copyright protection
- watermarking algorithm
- spread spectrum
- error diffusion
- multiscale
- watermarking technique
- inverse halftoning
- color information
- object recognition