High-Capacity Reversible Data Hiding in Encrypted Images Based on Prediction Error Compression and Block Selection.
Xu WangLi-Yao LiChing-Chun ChangChih-Cheng ChenPublished in: Secur. Commun. Networks (2021)
Keyphrases
- high capacity
- reversible data hiding
- prediction error
- data hiding
- lossy compression
- jpeg images
- pixel values
- input image
- halftone images
- image data
- data storage
- barcode
- information hiding
- bit rate
- perceptual quality
- original images
- inter frame
- error correction
- image quality
- secret data
- lossless compression
- test images
- motion vectors
- gray scale
- compression ratio
- spatial domain
- database management systems