High Capacity Reversible Data Hiding in Encrypted Images Based on Pixel Value Preprocessing and Block Classification.
Tao ZhangJu ZhangYicheng ZouYu ZhangPublished in: MMM (2) (2024)
Keyphrases
- pixel values
- reversible data hiding
- high capacity
- image quality
- gray level
- data hiding
- secret data
- feature extraction
- halftone images
- high quality
- image data
- probability density function
- cover image
- human visual system
- data embedding
- barcode
- input image
- data storage
- image segmentation
- image blocks
- blurred images
- co occurrence
- feature space