Restoration of block-transform compressed images via homotopic regularized sparse reconstruction.
Jeffrey GlaisterShahid A. HaiderAlexander WongDavid A. ClausiPublished in: Visual Information Processing and Communication (2015)
Keyphrases
- sparse reconstruction
- compressed images
- sparse representation
- image compression
- dct coefficients
- occlusion handling
- visual quality
- compressive sensing
- discrete cosine transform
- semantic segmentation
- image restoration
- compression ratio
- feature matching
- dct domain
- reconstructed image
- compressed domain
- bitstream
- markov random field
- image blocks
- peak signal to noise ratio
- image quality
- image classification
- signal processing
- stereo matching
- image reconstruction