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GPS trajectories are the essential foundations for many trajectory-based applications, such as travel time estimation, traffic prediction and trajectory similarity measurement. Most applications require a large amount of high sample rate…

机器学习 · 计算机科学 2022-11-29 Yuqi Chen , Hanyuan Zhang , Weiwei Sun , Baihua Zheng

In recent years, there is a shift from modeling the tracking problem based on Bayesian formulation towards using deep neural networks. Towards this end, in this paper the effectiveness of various deep neural networks for predicting future…

计算机视觉与模式识别 · 计算机科学 2018-08-17 Stefan Becker , Ronny Hug , Wolfgang Hübner , Michael Arens

Trajectory representation learning on a network enhances our understanding of vehicular traffic patterns and benefits numerous downstream applications. Existing approaches using classic machine learning or deep learning embed trajectories…

机器学习 · 计算机科学 2023-12-14 Yuanbo Tang , Zhiyuan Peng , Yang Li

Human motion prediction, i.e., forecasting future body poses given observed pose sequence, has typically been tackled with recurrent neural networks (RNNs). However, as evidenced by prior work, the resulted RNN models suffer from prediction…

计算机视觉与模式识别 · 计算机科学 2020-07-08 Wei Mao , Miaomiao Liu , Mathieu Salzmann , Hongdong Li

Trajectory Prediction of dynamic objects is a widely studied topic in the field of artificial intelligence. Thanks to a large number of applications like predicting abnormal events, navigation system for the blind, etc. there have been many…

机器学习 · 计算机科学 2017-05-29 Daksh Varshneya , G. Srinivasaraghavan

Robust data association is critical for analysis of long-term motion trajectories in complex scenes. In its absence, trajectory precision suffers due to periods of kinematic ambiguity degrading the quality of follow-on analysis. Common…

机器学习 · 计算机科学 2020-11-17 David S. Hayden , Sue Zheng , John W. Fisher

With the fast development of AI-related techniques, the applications of trajectory prediction are no longer limited to easier scenes and trajectories. More and more trajectories with different forms, such as coordinates, bounding boxes, and…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Beihao Xia , Conghao Wong , Duanquan Xu , Qinmu Peng , Xinge You

Object motion and object appearance are commonly used information in multiple object tracking (MOT) applications, either for associating detections across frames in tracking-by-detection methods or direct track predictions for…

计算机视觉与模式识别 · 计算机科学 2022-01-04 Xiaotong Chen , Seyed Mehdi Iranmanesh , Kuo-Chin Lien

Multiple object tracking faces several challenges that may be alleviated with trajectory information. Knowing the posterior locations of an object helps disambiguating and solving situations such as occlusions, re-identification, and…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Andreu Girbau , Xavier Giró-i-Nieto , Ignasi Rius , Ferran Marqués

Accurate trajectory prediction is a cornerstone for the safe operation of autonomous driving systems, where understanding the dynamic behavior of surrounding agents is crucial. Transformer-based architectures have demonstrated significant…

机器学习 · 计算机科学 2025-05-07 JianLin Zhu , HongKuo Niu

Trajectories that capture object movement have numerous applications, in which similarity computation between trajectories often plays a key role. Traditionally, the similarity between two trajectories is quantified by means of heuristic…

数据库 · 计算机科学 2024-06-13 Yanchuan Chang , Egemen Tanin , Gao Cong , Christian S. Jensen , Jianzhong Qi

A `trajectory' refers to a trace generated by a moving object in geographical spaces, usually represented by of a series of chronologically ordered points, where each point consists of a geo-spatial coordinate set and a timestamp. Rapid…

机器学习 · 计算机科学 2021-11-16 Seongjin Choi

Maintaining both path-tracking accuracy and yaw stability of distributed drive electric vehicles (DDEVs) under various driving conditions presents a significant challenge in the field of vehicle control. To address this limitation, a…

机器人学 · 计算机科学 2023-04-25 Dongmei Wu , Yuying Guan , Xin Xia , Changqing Du , Fuwu Yan , Yang Li , Min Hua , Wei Liu

Time series anomaly detection is crucial for maintaining stable systems. Existing methods face two main challenges. First, it is difficult to directly model the dependencies of diverse and complex patterns within the sequences. Second, many…

机器学习 · 计算机科学 2025-04-22 Wenxin Zhang , Cuicui Luo

Temporal consistency is critical in video prediction to ensure that outputs are coherent and free of artifacts. Traditional methods, such as temporal attention and 3D convolution, may struggle with significant object motion and may not…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Zihang Lai , Andrea Vedaldi

Sparsity is a common issue in many trajectory datasets, including human mobility data. This issue frequently brings more difficulty to relevant learning tasks, such as trajectory imputation and prediction. Nowadays, little existing work…

机器学习 · 计算机科学 2023-01-13 Kyle K. Qin , Yongli Ren , Wei Shao , Brennan Lake , Filippo Privitera , Flora D. Salim

Pedestrian trajectory prediction is essential for collision avoidance in autonomous driving and robot navigation. However, predicting a pedestrian's trajectory in crowded environments is non-trivial as it is influenced by other pedestrians'…

计算机视觉与模式识别 · 计算机科学 2019-02-15 Sirin Haddad , Meiqing Wu , He Wei , Siew Kei Lam

The wide spread use of positioning and photographing devices gives rise to a deluge of traffic trajectory data (e.g., vehicle passage records and taxi trajectory data), with each record having at least three attributes: object ID, location…

机器学习 · 计算机科学 2020-03-18 Meng Chen , Xiaohui Yu , Yang Liu

Efficient and accurate motion prediction is crucial for ensuring safety and informed decision-making in autonomous driving, particularly under dynamic real-world conditions that necessitate multi-modal forecasts. We introduce TrajFlow, a…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Qi Yan , Brian Zhang , Yutong Zhang , Daniel Yang , Joshua White , Di Chen , Jiachao Liu , Langechuan Liu , Binnan Zhuang , Shaoshuai Shi , Renjie Liao

Existing trajectory prediction methods exhibit significant performance degradation under distribution shifts during test time. Although test-time training techniques have been explored to enable adaptation, current approaches rely on an…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Yuning Wang , Pu Zhang , Yuan He , Ke Wang , Jianru Xue