An Optimized Halftone Visual Cryptography Scheme Using Error Diffusion.
Mahmoud E. HodeishVikas T. HumbePublished in: Multim. Tools Appl. (2018)
Keyphrases
- error diffusion
- visual cryptography scheme
- visual cryptography
- gray scale
- halftone images
- image quality
- secret sharing
- gray level
- human visual system
- inverse halftoning
- secret sharing scheme
- halftoning algorithm
- frequency domain
- black and white
- data hiding
- direct binary search
- multi party
- visual quality
- co occurrence
- blue noise
- binary images
- image classification