Learning sparse representation via a nonlinear shrinkage encoder and a linear sparse decoder.
Zhengping JiWentao HuangSteven P. BrumbyPublished in: IJCNN (2012)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- compressed sensing
- learning algorithm
- regularized least squares
- face recognition
- compressive sensing
- sparse learning
- joint optimization
- random projections
- image classification
- group sparsity
- norm minimization
- unsupervised learning
- supervised learning
- motion estimation
- basis vectors
- data mining
- sparse coefficients
- image patches
- image reconstruction
- high dimensional data
- linear combination
- natural images
- denoising
- pattern recognition