Feature Selection via Sparse Approximation for Face Recognition
Yixiong LiangLei WangYao XiangBeiji ZouPublished in: CoRR (2011)
Keyphrases
- sparse approximation
- feature selection
- face recognition
- linear combination
- feature extraction
- noise model
- gaussian process
- sparse coding
- face images
- text classification
- text categorization
- sparse representation
- convex relaxation
- model selection
- support vector
- feature set
- principal component analysis
- machine learning
- computer vision
- input image
- knn
- active learning
- feature vectors
- high dimensional
- multiple kernel learning
- feature space
- multiscale