Enhanced Image Trans-coding Using Reversible Data Hiding.
Richard Y. M. LiOscar C. AuCarman K. M. YukShu-Kei YipTai-Wai ChanPublished in: ISCAS (2007)
Keyphrases
- reversible data hiding
- enhanced image
- visual quality
- coding method
- data hiding
- spatial domain
- bit rate
- image enhancement
- coding scheme
- high capacity
- low contrast
- inter frame
- contrast enhancement
- image quality
- human visual system
- reconstructed image
- high frequency
- prediction algorithm
- denoising
- pixel values
- gray level
- error concealment
- frequency domain
- sparse coding
- video coding
- bitstream
- principal component analysis
- cover image
- feature extraction