A cheating prevention scheme for binary visual cryptography with homogeneous secret images.
Du-shiau TsaiTzungher ChenGwoboa HorngPublished in: Pattern Recognit. (2007)
Keyphrases
- visual cryptography
- secret image
- secret sharing scheme
- secret sharing
- visual cryptography scheme
- human eyes
- secret image sharing
- reconstructed image
- spatial domain
- cover image
- image data
- secret data
- secret information
- input image
- image quality
- human visual system
- ground truth
- multiscale
- original images
- spatial resolution
- test images
- high frequency