High capacity multi-scale image sharing scheme by combining visual cryptography with data hiding.
Yi-Chong ZengChi-Hung TsaiPublished in: ICIP (2013)
Keyphrases
- high capacity
- data hiding
- multiscale
- secret information
- halftone images
- visual cryptography
- data embedding
- watermarking technique
- reversible data hiding
- secret data
- secret image
- spatial domain
- error correction
- cover image
- information hiding
- lossy compression
- data storage
- input image
- image data
- image segmentation
- image authentication
- watermarked image
- edge detection
- error diffusion
- digital images
- frequency domain
- gray scale
- original images
- feature vectors
- wavelet domain
- test images