Denoising Method Based on Sparse Representation for WFT Signal.
Xu ChenGuoyu LinYuxin ZhangPublished in: J. Sensors (2014)
Keyphrases
- sparse representation
- denoising methods
- denoising
- image denoising
- compressive sensing
- noisy images
- signal processing
- dictionary learning
- image patches
- sparse coding
- wavelet packet
- face recognition
- denoising algorithm
- compressed sensing
- random projections
- joint optimization
- high dimensional data
- noise reduction
- test images
- image representation
- object tracking
- image classification
- natural images
- noise level
- wavelet domain
- noise model
- dimensionality reduction
- image processing
- sparse signal representation
- noise removal
- non stationary
- frequency domain