Spectral Clustering of High-Dimensional Data via k-Nearest Neighbor Based Sparse Representation Coefficients.
Fang ChenShulin WangJianwen FangPublished in: ICIC (3) (2015)
Keyphrases
- k nearest neighbor
- sparse representation
- knn
- sparse coefficients
- reconstruction error
- basis vectors
- sparsity constraints
- nearest neighbor
- dictionary learning
- sparse coding
- high dimensional data
- image classification
- linear combination
- face recognition
- compressive sensing
- signal processing
- image patches
- support vector machine
- regularized least squares
- neural network
- manifold learning
- feature selection
- random projections
- knn classifier
- dimensionality reduction
- joint optimization
- knn algorithm
- subspace learning
- multi class
- principal component analysis
- data mining
- text classification
- hyperplane
- input space
- image representation
- distance function