Nonnegative Matrix Factorization-Based Spatial-Temporal Clustering for Multiple Sensor Data Streams.
Dihua SunChun-Yan SangPublished in: J. Sensors (2014)
Keyphrases
- nonnegative matrix factorization
- spatial temporal
- sensor data streams
- spectral clustering
- negative matrix factorization
- data representation
- matrix factorization
- spatio temporal
- least squares
- document clustering
- principal component analysis
- spatial and temporal
- sensor data
- sensor readings
- clustering algorithm
- action recognition
- k means
- collaborative filtering
- semi supervised
- data streams
- objective function
- temporal information
- semantic information
- unsupervised learning
- video shots