Object Recognition Using Sparse Representation of Overcomplete Dictionary.
Chu Kiong LooAli MemarianiPublished in: ICONIP (4) (2012)
Keyphrases
- sparse representation
- object tracking
- dictionary learning
- sparse coding
- face recognition
- signal processing
- joint optimization
- learned dictionary
- image patches
- random projections
- image classification
- compressive sensing
- image representation
- dimensionality reduction
- compressed sensing
- regularized least squares
- sparse reconstruction
- reconstruction error
- high dimensional data
- sparse approximations
- image super resolution
- partial occlusion
- negative matrix factorization
- machine learning
- sparsity constraints
- sparse codes
- low rank matrix recovery
- sparse signal representation
- sparse learning
- keypoints
- object detection
- object recognition
- image processing
- feature selection