-ary Quantization Based Watermarking.
Jun-Horng ChenPublished in: IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2008)
Keyphrases
- watermark embedding
- digital images
- watermarking scheme
- copyright protection
- spread spectrum
- digital image watermarking scheme
- image authentication
- fragile watermarking
- quantization error
- image watermarking
- robust image watermarking
- watermarking technique
- data hiding
- color quantization
- watermarking algorithm
- quantization step
- image processing
- quantization scheme
- quantization noise
- uniform quantization
- denoising
- multiresolution