Correlated Spatio-Temporal Data Collection in Wireless Sensor Networks Based on Low Rank Matrix Approximation and Optimized Node Sampling.
Xinglin PiaoYongli HuYanfeng SunBaocai YinJunbin GaoPublished in: Sensors (2014)
Keyphrases
- data collection
- wireless sensor networks
- low rank matrix approximation
- low rank approximation
- sensor networks
- matrix completion
- singular value decomposition
- spectral clustering
- low rank
- energy consumption
- subspace learning
- moving objects
- graph structure
- image sequences
- routing protocol
- iterative algorithms
- kernel matrix
- directed graph
- reconstruction error
- latent semantic indexing
- adjacency matrix
- matrix factorization
- missing data
- random walk
- principal component analysis
- active learning
- feature extraction