Discriminative sparse coding on multi-manifolds.
Jim Jing-Yan WangHalima BensmailNan YaoXin GaoPublished in: Knowl. Based Syst. (2013)
Keyphrases
- sparse coding
- sparse codes
- discriminative power
- manifold structure
- object category recognition
- dictionary learning
- unsupervised learning
- sparse representation
- natural images
- image classification
- linear combination
- feature space
- generative model
- high dimensional
- image representation
- discriminative dictionary
- manifold learning
- visual words
- image patches
- low dimensional
- pattern recognition
- feature extraction
- dimensionality reduction
- denoising
- bag of words
- semi supervised
- object categories
- linear classifiers
- data points
- probabilistic model
- feature vectors
- multiscale