Robust estimation of traffic density with missing data using an adaptive-R extended Kalman filter

ASM Bakibillah, YH Tan, JY Loo, CP Tan… - Applied Mathematics …, 2022 - Elsevier
Traffic density is a crucial indicator of traffic congestion, but measuring it directly is often
infeasible and hence, it is usually estimated based on other measurements. However, a …

Incremental unscented Kalman filter for real-time traffic estimation on motorways using multi-source data

XS Trinh, D Ngoduy, M Keyvan-Ekbatani… - … A: Transport Science, 2022 - Taylor & Francis
Better traffic estimation can be achieved by integrating multiple data sources. However, it is
not an easy task due to many issues such as differences in formats, spatio-temporal …

The application of adaptive Kalman filter in traffic flow forecasting

JW Gao, ZW Leng, B Zhang, X Liu… - Advanced Materials …, 2013 - Trans Tech Publ
The urban traffic usually has the characteristics of time-variation and nonlinearity, real-time
and accurate traffic flow forecasting has become an important component of the Intelligent …

Online estimation and prediction of large-scale network traffic from sparse probe vehicle data

S Taguchi, T Yoshimura - IEEE Transactions on Intelligent …, 2021 - ieeexplore.ieee.org
Network traffic prediction based on probe vehicle data is important for traffic management
and route recommendation and has been intensively studied. Previous traffic prediction …

Unscented Kalman filter-based real-time traffic state estimation

R Pueboobpaphan, T Nakatsuji, H Suzuki - 2007 - trid.trb.org
Real-time traffic states and origin-destination (OD) flows are essential inputs for on-line
traffic control and management systems. With the final goal to unify the problem of real-time …

Traffic flow estimation at error prone locations using dynamic traffic flow modeling

S Fulari, A Thankappan, L Vanajakshi… - Transportation …, 2019 - Taylor & Francis
Macroscopic model-based schemes are appropriate for real-time estimation of traffic density,
which is an important congestion indicator. Conservation of vehicles equation is one of the …

A comparative study on filtering methods for online freeway traffic estimation using heterogeneous data

XS Trinh, D Ngoduy… - 2019 IEEE Intelligent …, 2019 - ieeexplore.ieee.org
The paper addresses the problem of fusing multiple data sources in freeway networks. The
incremental Unscented Kalman Filter (UKF) and the Unscented Information Filter (UIF) are …

Adaptive Kalman filter approach for stochastic short-term traffic flow rate prediction and uncertainty quantification

J Guo, W Huang, BM Williams - Transportation Research Part C: Emerging …, 2014 - Elsevier
Short term traffic flow forecasting has received sustained attention for its ability to provide the
anticipatory traffic condition required for proactive traffic control and management. Recently …

Performance comparison of filtering techniques for real time traffic density estimation under indian urban traffic scenario

B Dhivyabharathi, S Fulari… - 2015 IEEE 18th …, 2015 - ieeexplore.ieee.org
Real time traffic state estimation is important to facilitate better traffic management in urban
areas and is a prime concern from a traffic engineer's viewpoint. Traffic density is a key traffic …

Adaptive estimation of noise covariance matrices in unscented Kalman filter for multiclass traffic flow model

D Ngoduy, A Sumalee - Transportation research record, 2010 - journals.sagepub.com
Traffic state estimation problems must deal with imperfect information. Imperfect information
may occur as a result of misalignments between reality and the assumptions or …