Channelized-Based Denoising Generalized Orthogonal Matching Pursuit for Reconstructing Structural Sparse Signal Under Noise Background.
Haiqing JiangHongyi XuChengfa XuPublished in: IEEE Access (2018)
Keyphrases
- signal recovery
- denoising
- orthogonal matching pursuit
- gaussian noise
- compressive sensing
- compressive sampling
- denoising methods
- compressed sensing
- noisy images
- sparse representation
- sparse approximation
- image denoising
- additive noise
- noise model
- natural images
- transform domain
- feature selection
- noise level
- total variation
- sparse coding
- noise reduction
- wavelet domain
- frequency domain
- signal to noise ratio
- image processing
- greedy algorithm
- signal processing
- signal reconstruction
- image representation
- image patches
- image reconstruction
- high dimensional data
- high dimensional
- object recognition