Non-Negative Kernel Sparse Coding for Image Classification.
Yungang ZhangTianwei XuJieming MaPublished in: IScIDE (1) (2015)
Keyphrases
- sparse coding
- image classification
- spatial pyramid matching
- dictionary learning
- sparse representation
- image representation
- visual words
- sparse codes
- bag of words
- visual recognition
- kernel function
- feature extraction
- feature space
- support vector
- codebook generation
- kernel methods
- linear combination
- scene classification
- image features
- object category recognition
- natural images
- bag of features
- high dimensional data
- bag of visual words
- positive definite
- high dimensional