Hiding a Secret Pattern into Color Halftone Images.
Yuanfang GuoOscar C. AuKetan TangJiahao PangPublished in: IWDW (2013)
Keyphrases
- halftone images
- error diffusion
- gray scale
- visual cryptography
- inverse halftoning
- color images
- data hiding
- black and white
- color space
- color information
- gray images
- secret data
- high capacity
- original images
- image quality
- secret sharing scheme
- gray scale images
- halftoning algorithm
- continuous tone images
- visual quality
- barcode
- gray level