Visual cryptography based on ghost imaging and Hadamard transform.
Yi KangLeihong ZhangHualong YeBaolin LiuShengli PuDawei ZhangSonglin ZhuangPublished in: Quantum Inf. Process. (2023)
Keyphrases
- visual cryptography
- hadamard transform
- transform domain
- secret sharing scheme
- estimation algorithm
- visual cryptography scheme
- elimination algorithm
- image processing
- motion estimation
- high resolution
- human eyes
- spatial domain
- secret sharing
- secret image
- graphical models
- halftone images
- multiresolution
- computer vision