A Modified Kernels-Alternated Error Diffusion Watermarking Algorithm for Halftone Images.
Linna TangJiangqun NiChuntao WangRongyue ZhangPublished in: IWDW (2007)
Keyphrases
- watermarking algorithm
- error diffusion
- halftone images
- inverse halftoning
- gray scale
- image quality
- wavelet domain
- human visual system
- error diffused images
- signal processing
- gray level
- data hiding
- watermarking scheme
- black and white
- halftoning algorithm
- barcode
- continuous tone images
- frequency domain
- visual quality
- gray scale images
- color images
- original images
- feature space
- multiresolution
- wavelet coefficients
- high quality
- error correction
- quality assessment
- direct binary search
- coding scheme