Two-Stage Sparse Representation Clustering for Dynamic Data Streams.
Jie ChenZhu WangShengxiang YangHua MaoPublished in: IEEE Trans. Cybern. (2023)
Keyphrases
- sparse representation
- data streams
- dictionary learning
- high dimensional data
- sparse coding
- image classification
- clustering algorithm
- face recognition
- compressed sensing
- clustering method
- sliding window
- compressive sensing
- data sets
- image representation
- regularized least squares
- random projections
- unsupervised learning
- signal processing
- joint optimization
- piecewise smooth
- image patches
- dimensionality reduction
- k means
- computer vision
- sparse codes
- reconstruction error
- test images
- negative matrix factorization
- document clustering
- feature space
- sparse learning
- neural network