An information sharing scheme in halftone images based on multi-scale error diffusion.
Tzung-Fu TsaiPo-Chyi SuPublished in: ICCST (2015)
Keyphrases
- information sharing
- error diffusion
- halftone images
- inverse halftoning
- gray scale
- multiscale
- halftoning algorithm
- image quality
- visual cryptography
- data hiding
- human visual system
- gray level
- error diffused images
- black and white
- continuous tone images
- frequency domain
- gray scale images
- binary images
- least mean square
- direct binary search
- original images
- wavelet transform
- image data
- image segmentation
- e government
- denoising
- feature vectors
- visual quality