Keyphrases
- distance metric learning
- distance metric
- metric learning
- image classification
- semi supervised
- gender classification
- semidefinite programming
- nonlinear dimensionality reduction
- sparse representation
- high dimensional
- pairwise
- nearest neighbor classification
- preprocessing step
- component analysis
- distance function
- dimensionality reduction
- facial images
- manifold learning
- computer vision
- kernel matrix
- euclidean distance
- semi supervised learning
- distance measure