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published journal article | January 2026

published journal article | December 2021

Yiqiao Li, Koti Reddy Allu, Zhe Sun, Andre Y. C. Tok, Guoliang Feng and Stephen G. Ritchie (2021) “Truck body type classification using a deep representation learning ensemble on 3D point sets”, Transportation Research Part C: Emerging Technologies, 133, p. 103461.

published journal article | January 2026

published journal article | June 2023

Yiqiao Li, Andre Y. C. Tok, Zhe Sun, Stephen G. Ritchie and Koti Reddy Allu (2023) “LiDAR Vehicle Point Cloud Reconstruction Framework for Axle-Based Classification”, IEEE Sensors Journal, 23(11), pp. 11168–11180.

conference paper | December 2025

conference paper | January 2021

Yiqiao Li, Koti R Allu, Zhe Sun, Andre Tok, Guoliang Feng and Stephen G. Ritchie (2021) “An Ensemble Approach to Truck Body Type Classification using Deep Representation Learning on 3D Point Sets”. 100th Transportation Research Board (TRB) Annual Meeting, Washington, DC.

research report | December 2025

research report | January 2023

Stephen G. Ritchie, Andre Tok, Yiqiao Li, Zhe Sun and Koti Reddy Allu (2023) Investigation of LiDAR Sensing Technology to Improve Freeway Traffic Monitoring. Research Report. ITS-Irvine.

presentation | December 2025

presentation | December 2022

Koti Reddy Allu, Montana Reinoehl, Siwei Hu, Andre Tok, Wenlong Jin, Jared Sun and Stephen G. Ritchie (2022) “Investigation to Develop Impaired Driving Detection System Using Lidar”. NSF AI Workshop, Gainesville, Florida, 15 December.

working paper | October 2025

working paper | August 2021

Yiqiao Li, Andre Tok, Zhe Sun, Stephen G. Ritchie and Koti Reddy Allu (2021) Vehicle Point Cloud Reconstruction Framework for FHWA axle-based Classification using Roadside LiDAR Sensor. Working Paper. Institute of Transportation Studies, Irvine.

research report | October 2025

research report | September 2021

Stephen G. Ritchie, Andre Tok, Yiqiao Li, Jared Sun and Koti R Allu (2021) Investigation of Truck Data Collection using LiDAR Sensing Technology Along Rural Highways. PSR-19-51.

Phd Dissertation | October 2025

Phd Dissertation | January 2024

Koti Reddy Allu (2024) Investigation of LiDAR sensor for Traffic Monitoring with Emphasis on Heavy Duty Trucks. Ph.D.. UC Irvine.

conference paper | October 2025

conference paper | January 2023

Montana Reinoehl, Siwei Hu and Koti Reddy Allu (2023) “A Non-intrusive and Influences-agnostic Impaired Driving Detection and Control Framework using LIDAR”. 102nd Annual Meeting of the Transportation Research Board.

conference paper | October 2025

conference paper | January 2022

Yiqiao Li, Andre Tok, Zhe Sun, Stephen G. Ritchie and Koti Reddy Allu (2022) “LiDAR Vehicle Point Cloud Reconstruction Framework for Axle-Based Classification”. 101st Annual Meeting of the Transportation Research Board.

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