Wavelet-based digital watermarking with halftoning technique.
K. H. LeungBing ZengPublished in: ISCAS (5) (2001)
Keyphrases
- digital watermarking
- discrete wavelet transform
- wavelet domain
- multiresolution
- digital images
- copyright protection
- gray scale
- color images
- error diffusion
- wavelet transform
- black and white
- watermarking scheme
- image quality
- digital content
- watermarking algorithm
- image compression
- lossy compression
- digital watermark
- multiscale
- watermarking technique
- jpeg compression
- wavelet coefficients
- denoising
- spatial domain
- multimedia content
- digital libraries
- halftone images
- metadata