Performance guarantees of signal recovery via block-OMP with thresholding.
Rui HuYuli FuYoujun XiangRong RongPublished in: IET Signal Process. (2017)
Keyphrases
- signal recovery
- orthogonal matching pursuit
- compressed sensing
- sparse representation
- transform domain
- sparse approximation
- feature selection
- compressive sensing
- greedy algorithm
- dct coefficients
- image blocks
- post processing
- image segmentation
- image reconstruction
- edge detection
- denoising
- low rank and sparse
- random projections
- object recognition
- image processing
- discrete cosine transform
- globally optimal
- signal processing
- wavelet transform