Hierarchical sparse representation with deep dictionary for multi-modal classification.
Zhengxia WangShenghua TengGuodong LiuZengshun ZhaoHongli WuPublished in: Neurocomputing (2017)
Keyphrases
- sparse representation
- multi modal
- dictionary learning
- image classification
- sparse coding
- high dimensional
- compressive sensing
- face recognition
- multi modality
- learned dictionary
- compressed sensing
- sparse codes
- single modality
- signal processing
- image patches
- random projections
- joint optimization
- image representation
- pattern recognition
- feature extraction
- image annotation
- high dimensional data
- test images
- text classification
- sparse approximations
- cross modal
- neural network
- uni modal
- sparse representation based classification
- dimensionality reduction
- machine learning
- graph cuts
- mutual information
- higher order
- sparse coefficients
- data points
- feature vectors