Search Results for author: Xiangguo Liu

Found 6 papers, 1 papers with code

Kinematics-aware Trajectory Generation and Prediction with Latent Stochastic Differential Modeling

no code implementations17 Sep 2023 Ruochen Jiao, YiXuan Wang, Xiangguo Liu, Chao Huang, Qi Zhu

However, it remains a challenging problem for these methods to ensure that the generated/predicted trajectories are physically realistic.

Autonomous Driving Trajectory Prediction

Learning Representation for Anomaly Detection of Vehicle Trajectories

no code implementations9 Mar 2023 Ruochen Jiao, Juyang Bai, Xiangguo Liu, Takami Sato, Xiaowei Yuan, Qi Alfred Chen, Qi Zhu

We conduct extensive experiments to demonstrate that our supervised method based on contrastive learning and unsupervised method based on reconstruction with semantic latent space can significantly improve the performance of anomalous trajectory detection in their corresponding settings over various baseline methods.

Anomaly Detection Autonomous Driving +3

Semi-supervised Semantics-guided Adversarial Training for Trajectory Prediction

no code implementations27 May 2022 Ruochen Jiao, Xiangguo Liu, Takami Sato, Qi Alfred Chen, Qi Zhu

In addition, experiments show that our method can significantly improve the system's robust generalization to unseen patterns of attacks.

Adversarial Robustness Decision Making +1

TAE: A Semi-supervised Controllable Behavior-aware Trajectory Generator and Predictor

no code implementations2 Mar 2022 Ruochen Jiao, Xiangguo Liu, Bowen Zheng, Dave Liang, Qi Zhu

Our model addresses trajectory generation and prediction in a unified architecture and benefits both tasks: the model can generate diverse, controllable and realistic trajectories to enhance planner optimization in safety-critical and long-tailed scenarios, and it can provide prediction of critical behavior in addition to the final trajectories for decision making.

Decision Making

Securing Connected Vehicle Applications with an Efficient Dual Cyber-Physical Blockchain Framework

no code implementations15 Feb 2021 Xiangguo Liu, Baiting Luo, Ahmed Abdo, Nael Abu-Ghazaleh, Qi Zhu

While connected vehicle (CV) applications have the potential to revolutionize traditional transportation system, cyber and physical attacks on them could be devastating.

Cryptography and Security

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