Self-embedding reversible color-to-grayscale conversion with watermarking feature.
S. K. Felix YuYuk-Hee ChanKenneth K. M. LamDaniel Pak-Kong LunPublished in: Signal Process. Image Commun. (2023)
Keyphrases
- gray scale
- color images
- gray scale images
- reversible watermarking
- error diffusion
- grayscale images
- color information
- robust image watermarking
- binary images
- color space
- data hiding
- mathematical morphology
- gray level
- information hiding
- watermarking algorithm
- image processing
- histogram equalization
- feature vectors
- watermarking scheme
- image features
- watermarking technique
- co occurrence
- error correction
- digital images
- halftone images
- color histogram
- image regions
- watermark embedding
- data embedding
- image analysis