Exploiting Fine-Grained DCT Representations for Hiding Image-Level Messages within JPEG Images.
Junxue YangXin LiaoPublished in: CoRR (2023)
Keyphrases
- fine grained
- jpeg images
- coarse grained
- discrete cosine transform
- file size
- compression algorithm
- compressed images
- information hiding
- dct coefficients
- jpeg compression
- access control
- lossy compression
- dct domain
- image compression
- spatial domain
- input image
- data hiding
- image blocks
- multiscale
- image data
- reference frame
- test images
- post processing
- compressed domain
- pixel values
- wireless channels
- optical flow
- filter bank