Structured Sparse Coding for Classification via Reweighted l 2, 1 Minimization.
Yong XuYuping SunYuhui QuanYu LuoPublished in: CCCV (1) (2015)
Keyphrases
- sparse coding
- dictionary learning
- image classification
- object category recognition
- sparse representation
- unsupervised learning
- natural images
- feature space
- feature extraction
- linear combination
- pattern recognition
- single image super resolution
- spatial pyramid matching
- norm minimization
- feature selection
- text classification
- image patches
- decision trees
- visual recognition
- sparse codes
- image representation
- supervised learning
- support vector
- machine learning
- discriminative dictionary
- bag of words
- generative model
- small number
- support vector machine
- knn
- high dimensional
- training set
- multiscale
- image processing
- computer vision