A solution to residual noise in speech denoising with sparse representation.
Yongjun HeJiqing HanShiwen DengTieran ZhengGuibin ZhengPublished in: ICASSP (2012)
Keyphrases
- sparse representation
- denoising
- dictionary learning
- sparse coding
- gaussian noise
- norm minimization
- noise removal
- image classification
- denoising algorithm
- image denoising
- face recognition
- natural images
- compressive sensing
- denoising methods
- signal processing
- piecewise smooth
- random projections
- regularized least squares
- image processing
- image patches
- noise level
- probabilistic model
- missing data
- noisy images
- image representation
- sparse reconstruction
- neural network
- joint optimization
- compressed sensing
- negative matrix factorization
- reconstruction error
- higher order
- image reconstruction
- pattern recognition
- test images
- feature extraction
- noise reduction