Block artifact reduction using a transform-domain Markov random field model.
Zhen LiEdward J. DelpPublished in: IEEE Trans. Circuits Syst. Video Technol. (2005)
Keyphrases
- transform domain
- artifact reduction
- markov random field model
- dct domain
- dct coefficients
- compressed images
- image blocks
- discrete cosine transform
- spatial domain
- sparse coding
- markov random field
- macroblock
- natural images
- feature selection
- visual quality
- rate distortion
- frequency domain
- bit rate
- image features
- image segmentation