ImputeFormer: Low rankness-induced transformers for generalizable spatiotemporal imputation
Missing data is a pervasive issue in both scientific and engineering tasks, especially for the
modeling of spatiotemporal data. Existing imputation solutions mainly include low-rank …
modeling of spatiotemporal data. Existing imputation solutions mainly include low-rank …
A comprehensive survey on traffic missing data imputation
Intelligent Transportation Systems (ITS) are essential and play a key role in improving road
safety, reducing congestion, optimizing traffic flow and facilitating the development of smart …
safety, reducing congestion, optimizing traffic flow and facilitating the development of smart …
Urban network-wide traffic volume estimation under sparse deployment of detectors
Sensing network-wide traffic information is fundamental for the sustainable development of
urban planning and traffic management. However, owing to the limited budgets or device …
urban planning and traffic management. However, owing to the limited budgets or device …
Network-wide speed–flow estimation considering uncertain traffic conditions and sparse multi-type detectors: A KL divergence-based optimization approach
SJ Liu, WHK Lam, ML Tam, H Fu, HW Ho… - … Research Part C …, 2024 - Elsevier
Accurate monitoring and sensing network-wide traffic conditions under uncertainty is vital for
addressing urban transportation obstacles and promoting the evolution of intelligent …
addressing urban transportation obstacles and promoting the evolution of intelligent …
Contextualizing MLP-mixers spatiotemporally for urban traffic data forecast at scale
Spatiotemporal traffic data (STTD) displays complex correlational structures. Extensive
advanced techniques have been designed to capture these structures for effective …
advanced techniques have been designed to capture these structures for effective …
Spatiotemporal Implicit Neural Representation as a Generalized Traffic Data Learner
Spatiotemporal Traffic Data (STTD) measures the complex dynamical behaviors of the
multiscale transportation system. Existing methods aim to reconstruct STTD using low …
multiscale transportation system. Existing methods aim to reconstruct STTD using low …
Nexus sine qua non: Essentially connected neural networks for spatial-temporal forecasting of multivariate time series
Modeling and forecasting multivariate time series not only facilitates the decision making of
practitioners, but also deepens our scientific understanding of the underlying dynamical …
practitioners, but also deepens our scientific understanding of the underlying dynamical …
ImputeFormer: Graph Transformers for Generalizable Spatiotemporal Imputation
This paper focuses on the multivariate time series imputation problem using deep neural
architectures. The ubiquitous issue of missing data in both scientific and engineering tasks …
architectures. The ubiquitous issue of missing data in both scientific and engineering tasks …
Efficient and Robust Freeway Traffic Speed Estimation Under Oblique Grid Using Vehicle Trajectory Data
Accurately estimating spatiotemporal traffic states on freeways is a significant challenge due
to limited sensor deployment and potential data corruption. In this study, we propose an …
to limited sensor deployment and potential data corruption. In this study, we propose an …
Spatiotemporal subspace variational autoencoder with repair mechanism for traffic data imputation
J Qian, S Zhang, Y Pian, X Chen, Y Liu - Neurocomputing, 2025 - Elsevier
High-quality spatial–temporal traffic data is crucial for the functioning of modern smart
transportation systems. However, the collection and storage of traffic data in real-world …
transportation systems. However, the collection and storage of traffic data in real-world …