Oriented Modulation for Watermarking in Direct Binary Search Halftone Images.
Jing-Ming GuoChang-Cheng SuYun-Fu LiuHua LeeJiann-Der LeePublished in: IEEE Trans. Image Process. (2012)
Keyphrases
- halftone images
- data hiding
- direct binary search
- inverse halftoning
- gray scale
- black and white
- error diffusion
- error correction
- digital images
- halftoning algorithm
- image quality
- spatial domain
- watermarking scheme
- original images
- visual quality
- gray scale images
- gray level
- color images
- human visual system
- perceptual quality
- multiscale
- gray images