Color Extended Visual Cryptography Using Error Diffusion.
In Koo KangGonzalo R. ArceHeung-Kyu LeePublished in: IEEE Trans. Image Process. (2011)
Keyphrases
- error diffusion
- visual cryptography
- halftone images
- gray scale
- image quality
- halftoning algorithm
- gray level
- human visual system
- color reproduction
- inverse halftoning
- color palette
- frequency domain
- secret sharing scheme
- color images
- data hiding
- blue noise
- human eyes
- perceptual quality
- human perception
- color information
- binary images
- low level