Sparse feature selection based on graph Laplacian for web image annotation.
Caijuan ShiQiuqi RuanGaoyun AnPublished in: Image Vis. Comput. (2014)
Keyphrases
- web image annotation
- graph laplacian
- random walk
- image annotation
- spectral analysis
- spectral clustering
- weighted graph
- pointwise
- euclidean space
- margin maximization
- basis functions
- semi supervised learning
- kernel machines
- feature selection
- labeled and unlabeled data
- neighborhood graph
- data clustering
- machine learning
- data points
- manifold structure
- high dimensional