Invertible Color-to-Grayscale Conversion Using Lossy Compression and High-Capacity Data Hiding.
Qiaoyi LiangShijun XiangPublished in: IEEE Trans. Circuits Syst. Video Technol. (2022)
Keyphrases
- data hiding
- lossy compression
- high capacity
- gray scale
- error diffusion
- halftone images
- color images
- grayscale images
- color information
- error correction
- information hiding
- binary images
- reversible data hiding
- gray level
- spatial domain
- watermarking technique
- color space
- secret data
- data embedding
- image processing
- jpeg images
- digital watermarking
- face recognition