Data-driven sparsity-based restoration of JPEG-compressed images in dual transform-pixel domain.
Xianming LiuXiaolin WuJiantao ZhouDebin ZhaoPublished in: CVPR (2015)
Keyphrases
- pixel domain
- dct domain
- jpeg compressed images
- dct coefficients
- transform domain
- compressed domain
- spatial domain
- compressed images
- post processing
- digital video
- discrete cosine transform
- human visual system
- bitstream
- image restoration
- sparse representation
- image quality
- low frequency
- high quality
- image blocks
- reference frame
- image data
- video conferencing
- image compression
- digital images