Image deblocking via sparse representation.
Cheolkon JungLicheng JiaoHongtao QiTian SunPublished in: Signal Process. Image Commun. (2012)
Keyphrases
- sparse representation
- image classification
- image representation
- test images
- image data
- reconstruction error
- sparse coding
- sparse coefficients
- piecewise smooth
- dictionary learning
- multiscale
- image retrieval
- single image
- input image
- image features
- sparse reconstruction
- basis vectors
- face recognition
- image patches
- post processing
- data sets
- random projections
- object recognition
- high dimensional
- image segmentation
- compressed sensing
- compressive sensing
- regularized least squares
- image regions
- high resolution
- higher order
- signal processing
- neural network
- joint optimization
- feature space
- image set
- image matching
- input data