Three-layer Spatial Sparse Coding for Image Classification.
Dengxin DaiWen YangTianfu WuPublished in: ICPR (2010)
Keyphrases
- sparse coding
- image classification
- spatial pyramid matching
- dictionary learning
- image representation
- sparse representation
- discriminative power
- visual words
- sparse codes
- bag of words
- codebook generation
- natural images
- visual recognition
- feature extraction
- image features
- linear combination
- single image super resolution
- person re identification
- multi layer
- object category recognition
- spatial information
- bag of features
- visual categorization
- multiscale
- principal component analysis
- feature space
- bag of visual words
- scene classification
- small number
- high dimensional
- discriminative dictionary