Discriminatory Sparse Coding and Its Application to Face Recognition.
Jun SunWenyuan WangQing ZhuoChengyuan MaPublished in: Int. J. Image Graph. (2003)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- linear combination
- image classification
- discriminative power
- unsupervised learning
- generative model
- image representation
- group sparsity
- single image super resolution
- person re identification
- feature space
- sparse codes
- image patches
- visual words
- bag of words
- higher order
- sparsity constraints
- object category recognition
- object categories
- bayesian networks
- feature set
- spatial pyramid matching
- text mining
- image features
- high dimensional