Multivariate Time Series Imputation: An Approach Based on Dictionary Learning.
Xiaomeng ZhengBogdan DumitrescuJiamou LiuCiprian Doru GiurcaneanuPublished in: Entropy (2022)
Keyphrases
- multivariate time series
- dictionary learning
- sparse representation
- missing data
- sparse coding
- categorical data
- temporal data
- temporal patterns
- dimension reduction
- image representation
- natural images
- autoregressive
- data sets
- image patches
- signal processing
- spatial structure
- optical flow
- support vector
- image processing
- computer vision