Hierarchical feature concatenation-based kernel sparse representations for image categorization.
Bo WangJichang GuoYan ZhangChongyi LiPublished in: Vis. Comput. (2017)
Keyphrases
- image categorization
- sparse representation
- dictionary learning
- regularized least squares
- image classification
- visual features
- sparse coding
- multiple instance learning
- face recognition
- image representation
- image descriptors
- image features
- dimensionality reduction
- image patches
- feature space
- support vector
- unsupervised learning
- feature vectors
- probabilistic model
- low level
- data sets
- high dimensional data