Orthogonal Matching Pursuit Based on Tree-Structure Redundant Dictionary.
Song ZhaoQiuyan ZhangHeng YangPublished in: CSEE (2) (2011)
Keyphrases
- tree structure
- orthogonal matching pursuit
- sparse representation
- compressed sensing
- transform domain
- signal recovery
- compressive sensing
- feature selection
- quadtree
- sparse approximation
- tree structures
- data structure
- frequent patterns
- greedy algorithm
- tree representation
- xml documents
- index structure
- image reconstruction
- sparse coding
- face recognition
- r tree
- random projections
- spatial domain
- image patches
- computer vision
- data sets
- linear combination
- natural images
- multi dimensional
- database systems
- decision trees