Local features are not lonely - Laplacian sparse coding for image classification.
Shenghua GaoIvor Wai-Hung TsangLiang-Tien ChiaPeilin ZhaoPublished in: CVPR (2010)
Keyphrases
- sparse coding
- image classification
- image features
- feature extraction
- dictionary learning
- sparse representation
- image representation
- sparse codes
- feature space
- basis vectors
- spatial pyramid matching
- svm classifier
- natural images
- linear combination
- discriminative power
- single image super resolution
- codebook generation
- visual words
- bag of features
- person re identification
- generative model
- feature vectors
- image patches
- visual recognition
- object category recognition
- manifold structure
- bag of words
- unsupervised learning
- spatial information
- visual categorization
- text mining
- high dimensional
- discriminative dictionary