Improved Pair Toggling Data Hiding by Cooperating Human Visual System in Halftone Images.
Jing-Ming GuoPublished in: ICASSP (2) (2007)
Keyphrases
- human visual system
- data hiding
- halftone images
- error diffusion
- image quality
- visual quality
- perceptual quality
- human perception
- high capacity
- error correction
- wavelet domain
- spread spectrum
- quality assessment
- spatial domain
- visual information
- image quality assessment
- gray scale
- gray level
- black and white
- image processing
- bit rate
- watermarking technique
- high frequency
- frequency domain
- image data
- high quality
- feature extraction
- face recognition