Downsampling sparse representation and discriminant information aided occluded face recognition.
Yuelong LiLi MengJufu FengJigang WuPublished in: Sci. China Inf. Sci. (2014)
Keyphrases
- sparse representation
- face recognition
- discriminant information
- object tracking
- linear discriminant analysis
- dictionary learning
- small sample size
- sparse coding
- principal component analysis
- face images
- dimensionality reduction
- feature extraction
- local binary pattern
- discriminant analysis
- image patches
- random projections
- computer vision
- facial expressions
- feature representation
- manifold learning
- data sets
- pairwise
- test images
- image classification
- subspace learning
- image features
- machine learning