Keyphrases
- subspace learning
- person re identification
- sparse coding
- sparse representation
- dimensionality reduction
- data representation
- linear combination
- natural images
- locality preserving projections
- metric learning
- unsupervised learning
- face recognition
- image classification
- manifold learning
- image representation
- principal component analysis
- multiple views
- video surveillance
- generative model
- semi supervised
- data sets
- low dimensional
- feature space
- denoising
- image patches
- visual words
- kernel function
- high dimensional data
- prior knowledge
- multiscale
- signal processing