Traffic Data Imputation Algorithm Based on Improved Low-Rank Matrix Decomposition.
Xianglong LuoXue MengWenjuan GanYonghong ChenPublished in: J. Sensors (2019)
Keyphrases
- matrix decomposition
- low rank
- nonnegative matrix factorization
- low rank matrix
- missing data
- singular value decomposition
- similarity measure
- matrix factorization
- linear combination
- high dimensional data
- convex optimization
- machine learning
- objective function
- clustering method
- em algorithm
- data clustering
- expectation maximization
- semi supervised
- pattern recognition
- singular values
- image processing
- learning algorithm