Watermarking in halftone images with mixed halftone techniques.
Jing-Ming GuoHua LeePublished in: Int. J. Imaging Syst. Technol. (2007)
Keyphrases
- halftone images
- data hiding
- inverse halftoning
- gray scale
- black and white
- error correction
- error diffusion
- watermarking technique
- digital images
- high capacity
- original images
- information hiding
- halftoning algorithm
- spatial domain
- continuous tone images
- image quality
- error diffused
- copyright protection
- digital watermarking
- watermarking scheme
- gray scale images
- watermarking algorithm
- image data
- feature extraction