Video Face Clustering via Constrained Sparse Representation.
Chengju ZhouChangqing ZhangXuewei LiGaotao ShiXiaochun CaoPublished in: ICME (2014)
Keyphrases
- sparse representation
- dictionary learning
- high dimensional data
- sparse coding
- face images
- clustering algorithm
- face recognition
- compressed sensing
- compressive sensing
- object tracking
- clustering method
- illumination variations
- joint optimization
- dimensionality reduction
- signal processing
- image classification
- negative matrix factorization
- random projections
- video sequences
- piecewise smooth
- sparse approximations
- unsupervised learning
- k means
- image representation
- regularized least squares
- data points
- test images
- sparse reconstruction
- data clustering
- facial expressions
- feature selection
- data analysis
- nearest neighbor
- data mining
- machine learning
- high dimensional
- range images
- spectral clustering
- document clustering
- image reconstruction