Enhanced halftone-based secure and improved visual cryptography scheme for colour/binary Images.
Saleha AhmadMuhammad Faisal HayatMuhammad Ali QureshiShahzad AsefYasir SaleemPublished in: Multim. Tools Appl. (2021)
Keyphrases
- binary images
- gray scale
- secret sharing
- visual cryptography scheme
- connected components
- mathematical morphology
- gray scale images
- secret sharing scheme
- grayscale images
- visual cryptography
- gray level
- color images
- input image
- binary patterns
- key management
- binary and gray scale
- halftone images
- multi party
- structuring elements
- connected component labeling
- error diffusion
- inverse halftoning
- spatial domain
- image processing