Efficient Adaptive Compressive Sensing Using Sparse Hierarchical Learned Dictionaries
Akshay SoniJarvis D. HauptPublished in: CoRR (2011)
Keyphrases
- compressive sensing
- sparse representation
- random projections
- learned dictionary
- signal reconstruction
- image recovery
- compressive sampling
- structured sparsity
- signal processing
- dictionary learning
- image representation
- sparse coding
- image classification
- face recognition
- pattern recognition
- linear combination
- feature extraction
- high dimensional data
- natural images
- orthogonal matching pursuit
- distributed source coding
- input data
- machine learning