Two-stage local constrained sparse coding for fine-grained visual categorization.
Lihua GuoChenggang GuoLei LiQinghua HuangYanshan LiXuelong LiPublished in: Sci. China Inf. Sci. (2018)
Keyphrases
- fine grained
- visual categorization
- sparse coding
- image classification
- discriminative dictionary
- visual words
- visual recognition
- dictionary learning
- sparse representation
- image representation
- bag of words
- natural images
- intra class variations
- person re identification
- sparse codes
- object categories
- feature extraction
- image features
- linear combination
- access control
- feature space
- unsupervised learning
- object recognition
- generative model
- image retrieval
- image patches
- higher order
- text mining
- feature vectors
- multiscale
- object category recognition
- feature selection