Reversible Data Hiding in Encrypted Images Based on Image Reprocessing and Polymorphic Compression.
Yicheng ZouYaling ZhangChao WangTao ZhangYu ZhangPublished in: ICONIP (14) (2023)
Keyphrases
- input image
- pixel values
- image data
- test images
- original images
- reversible data hiding
- image classification
- image regions
- edge detection
- lossy compression
- gray value
- image quality
- perceptual quality
- jpeg images
- compression rate
- secret image
- cover image
- gray level
- image segmentation
- binary images
- image blocks
- data hiding
- compression algorithm
- lossless compression
- image compression
- jpeg compressed images
- gaussian noise
- spatial domain
- compression ratio
- visual quality
- jpeg compression
- singular values
- prediction algorithm
- frequency domain
- digital images
- multiscale