An Improved Sparse Representation De-noising for Keeping Structural Features.
Zhi CuiPublished in: CCPR (1) (2014)
Keyphrases
- structural features
- sparse representation
- denoising
- dictionary learning
- sparse coding
- image classification
- face recognition
- compressive sensing
- structural information
- image denoising
- compressed sensing
- image patches
- image representation
- natural images
- signal processing
- wavelet domain
- joint optimization
- database
- semantic features
- high dimensional data
- secondary structure
- active learning
- image processing
- feature set
- dimensionality reduction
- pattern recognition
- multiscale
- feature extraction