Sparse Representation-Based Approach for Unsupervised Feature Selection.
Yaru SuChuanxi LiRujing WangPeng ChenPublished in: Int. J. Pattern Recognit. Artif. Intell. (2014)
Keyphrases
- sparse representation
- unsupervised feature selection
- norm minimization
- negative matrix factorization
- dimensionality reduction
- dictionary learning
- salient object detection
- sparse coding
- feature selection
- face recognition
- data clustering
- signal processing
- image classification
- image patches
- high dimensional data
- pattern recognition
- sparse coefficients
- image representation
- nonnegative matrix factorization
- image processing
- machine learning
- data mining applications
- low dimensional
- high dimensional
- feature space