Local and Non-local Graph Regularized Sparse Coding for Face Recognition.
Ming LuDanpei ZhaoJun ShiZhiguo JiangPublished in: ICIG (2013)
Keyphrases
- sparse coding
- sparse representation
- face recognition
- dictionary learning
- robust face recognition
- subspace learning
- natural images
- image classification
- sparsity constraints
- norm minimization
- linear combination
- person re identification
- sparse representation based classification
- image representation
- image patches
- sparse codes
- generative model
- unsupervised learning
- feature space
- object category recognition
- face images
- manifold structure
- test images
- higher order
- facial expressions
- high dimensional
- signal processing
- visual words
- principal component analysis
- image segmentation
- feature extraction