Spectral Clustering Algorithm Based on Local Sparse Representation.
Sen WuMin QuanXiaodong FengPublished in: IDEAL (2013)
Keyphrases
- sparse representation
- clustering algorithm
- dictionary learning
- sparse coding
- face recognition
- image patches
- image classification
- k means
- random projections
- compressive sensing
- reconstruction error
- high dimensional data
- dimensionality reduction
- joint optimization
- piecewise smooth
- sparse approximations
- signal processing
- image representation
- negative matrix factorization
- test images
- clustering method
- regularized least squares
- sparse learning
- data clustering
- compressed sensing
- sparsity constraints
- spectral clustering
- feature vectors
- document clustering