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Urban metro flow prediction is of great value for metro operation scheduling, passenger flow management and personal travel planning. However, it faces two main challenges. First, different metro stations, e.g. transfer stations and…

Machine Learning · Computer Science 2022-04-07 Peng Xie , Minbo Ma , Tianrui Li , Shenggong Ji , Shengdong Du , Zeng Yu , Junbo Zhang

With the introduction of vehicles with autonomous capabilities on public roads, predicting pedestrian crossing intention has emerged as an active area of research. The task of predicting pedestrian crossing intention involves determining…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 François G. Landry , Moulay A. Akhloufi

Recent transformer-based approaches have demonstrated excellent performance in 3D human pose estimation. However, they have a holistic view and by encoding global relationships between all the joints, they do not capture the local…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Soroush Mehraban , Vida Adeli , Babak Taati

Graph convolutional networks (GCNs) have been widely used and achieved remarkable results in skeleton-based action recognition. We think the key to skeleton-based action recognition is a skeleton hanging in frames, so we focus on how the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Nguyen Huu Bao Long

Discrete-Time Dynamic Graphs (DTDGs), which are prevalent in real-world implementations and notable for their ease of data acquisition, have garnered considerable attention from both academic researchers and industry practitioners. The…

Machine Learning · Computer Science 2024-07-29 Xi Chen , Yun Xiong , Siwei Zhang , Jiawei Zhang , Yao Zhang , Shiyang Zhou , Xixi Wu , Mingyang Zhang , Tengfei Liu , Weiqiang Wang

Accurate trajectory prediction is fundamental to autonomous driving, as it underpins safe motion planning and collision avoidance in complex environments. However, existing benchmark datasets suffer from a pronounced long-tail distribution…

Robotics · Computer Science 2025-10-06 Ruining Yang , Yi Xu , Yixiao Chen , Yun Fu , Lili Su

Efficient traffic management is crucial for maintaining urban mobility, especially in densely populated areas where congestion, accidents, and delays can lead to frustrating and expensive commutes. However, existing prediction methods face…

Machine Learning · Computer Science 2023-05-25 Xuhong Wang , Ding Wang , Liang Chen , Yilun Lin

Multimodal recommendation systems can learn users' preferences from existing user-item interactions as well as the semantics of multimodal data associated with items. Many existing methods model this through a multimodal user-item graph,…

Social and Information Networks · Computer Science 2024-12-19 Jun Hu , Bryan Hooi , Bingsheng He , Yinwei Wei

Predicting vehicle trajectories plays an important role in autonomous driving and ITS applications. Although multiple deep learning algorithms are devised to predict vehicle trajectories, their reliant on specific graph structure (e.g.,…

Robotics · Computer Science 2026-04-09 Diyi Liu , Zihan Niu , Tu Xu , Lishan Sun

This paper presents a novel approach to representation learning in recommender systems by integrating generative self-supervised learning with graph transformer architecture. We highlight the importance of high-quality data augmentation…

Information Retrieval · Computer Science 2023-06-06 Chaoliu Li , Lianghao Xia , Xubin Ren , Yaowen Ye , Yong Xu , Chao Huang

Accurate prediction of real-world pedestrian trajectories is crucial for a wide range of robot-related applications. Recent approaches typically adopt graph-based or transformer-based frameworks to model interactions. Despite their…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Ruochen Li , Ziyi Chang , Junyan Hu , Jiannan Li , Amir Atapour-Abarghouei , Hubert P. H. Shum

Traffic forecasting is an indispensable part of Intelligent transportation systems (ITS), and long-term network-wide accurate traffic speed forecasting is one of the most challenging tasks. Recently, deep learning methods have become…

Artificial Intelligence · Computer Science 2021-04-13 Haoyang Yan , Xiaolei Ma

Accurate traffic forecasting is essential for smart cities to achieve traffic control, route planning, and flow detection. Although many spatial-temporal methods are currently proposed, these methods are deficient in capturing the…

Machine Learning · Computer Science 2024-03-07 Aoyu Liu , Yaying Zhang

A multi-modal framework to generate user intention distributions when operating a mobile vehicle is proposed in this work. The model learns from past observed trajectories and leverages traversability information derived from the visual…

Robotics · Computer Science 2022-03-17 Kavindie Katuwandeniya , Stefan H. Kiss , Lei Shi , Jaime Valls Miro

Multimodal trajectory prediction generates multiple plausible future trajectories to address vehicle motion uncertainty from intention ambiguity and execution variability. However, HD map-dependent models suffer from costly data…

Artificial Intelligence · Computer Science 2025-11-25 Yuzhi Chen , Yuanchang Xie , Lei Zhao , Pan Liu , Yajie Zou , Chen Wang

Predicting trajectories of pedestrians is quintessential for autonomous robots which share the same environment with humans. In order to effectively and safely interact with humans, trajectory prediction needs to be both precise and…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Nishant Nikhil , Brendan Tran Morris

Wearable collaborative robots stand to assist human wearers who need fall prevention assistance or wear exoskeletons. Such a robot needs to be able to constantly adapt to the surrounding scene based on egocentric vision, and predict the ego…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Weizhuo Wang , C. Karen Liu , Monroe Kennedy

Trajectory prediction is a crucial aspect of understanding human behaviors. Researchers have made efforts to represent socially interactive behaviors among pedestrians and utilize various networks to enhance prediction capability.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Conghao Wong , Beihao Xia , Ziqian Zou , Xinge You

Joint pedestrian trajectory prediction has long grappled with the inherent unpredictability of human behaviors. Recent investigations employing variants of conditional diffusion models in trajectory prediction have exhibited notable…

Robotics · Computer Science 2024-09-05 Haotian Lin , Yixiao Wang , Mingxiao Huo , Chensheng Peng , Zhiyuan Liu , Masayoshi Tomizuka

To drive safely in complex traffic environments, autonomous vehicles need to make an accurate prediction of the future trajectories of nearby heterogeneous traffic agents (i.e., vehicles, pedestrians, bicyclists, etc). Due to the…

Machine Learning · Computer Science 2023-03-31 Zihao Sheng , Zilin Huang , Sikai Chen