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Learning generalizable trajectory representations from raw GPS traces remains difficult because the data is continuous, noisy, and irregularly sampled. Spatial tokenization is also challenging: fine grids yield sparse cells with weak…

机器学习 · 计算机科学 2026-05-20 Zhen Xiong , Shang-Ling Hsu , Cyrus Shahabi

Network traffic classification is a crucial research area aiming to enhance service quality, streamline network management, and bolster cybersecurity. To address the growing complexity of transmission encryption techniques, various machine…

机器学习 · 计算机科学 2024-10-22 Tongze Wang , Xiaohui Xie , Wenduo Wang , Chuyi Wang , Youjian Zhao , Yong Cui

Achieving both high accuracy and topological continuity in road segmentation from satellite imagery is a critical goal for applications ranging from urban planning to disaster response. State-of-the-art methods often rely on Vision…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Jules Decaestecker , Nicolas Vigne

Transportation mode classification, the process of predicting the class labels of moving objects transportation modes, has been widely applied to a variety of real world applications, such as traffic management, urban computing, and…

机器学习 · 计算机科学 2022-12-13 Danlei Hu , Ziquan Fang , Hanxi Fang , Tianyi Li , Chunhui Shen , Lu Chen , Yunjun Gao

With the rapid growth of encrypted network traffic, effective traffic classification has become essential for network security and quality of service management. Current machine learning and deep learning approaches for traffic…

机器学习 · 计算机科学 2026-01-30 Tongze Wang , Xiaohui Xie , Wenduo Wang , Chuyi Wang , Jinzhou Liu , Boyan Huang , Yannan Hu , Youjian Zhao , Yong Cui

Trajectory computing is a pivotal domain encompassing trajectory data management and mining, garnering widespread attention due to its crucial role in various practical applications such as location services, urban traffic, and public…

State space models (SSMs) have emerged as an efficient alternative to Transformer models for language modeling, offering linear computational complexity and constant memory usage as context length increases. However, despite their…

Predicting future behavior of other traffic participants is an essential task that needs to be solved by automated vehicles and human drivers alike to achieve safe and situationaware driving. Modern approaches to vehicles trajectory…

计算机视觉与模式识别 · 计算机科学 2020-10-02 Florian Mirus , Terrence C. Stewart , Jorg Conradt

The widespread use of GPS devices has driven advances in spatiotemporal data mining, enabling machine learning models to simulate human decision making and generate realistic trajectories, addressing both data collection costs and privacy…

机器学习 · 计算机科学 2025-10-09 Zhiyang Zhang , Ningcong Chen , Xin Zhang , Yanhua Li , Shen Su , Hui Lu , Jun Luo

Autonomous vehicles are expected to drive in complex scenarios with several independent non cooperating agents. Path planning for safely navigating in such environments can not just rely on perceiving present location and motion of other…

计算机视觉与模式识别 · 计算机科学 2021-06-07 Francesco Marchetti , Federico Becattini , Lorenzo Seidenari , Alberto Del Bimbo

Traffic flow estimation (TFE) is crucial for urban intelligent traffic systems. While traditional on-road detectors are hindered by limited coverage and high costs, cloud computing and data mining of vehicular network data, such as driving…

人工智能 · 计算机科学 2024-07-12 Doncheng Yuan , Jianzhe Xue , Jinshan Su , Wenchao Xu , Haibo Zhou

Transformers are the cornerstone of modern large language models, but their quadratic computational complexity limits efficiency in long-sequence processing. Recent advancements in Mamba, a state space model (SSM) with linear complexity,…

机器学习 · 计算机科学 2026-01-08 Yixing Li , Ruobing Xie , Zhen Yang , Xingwu Sun , Shuaipeng Li , Weidong Han , Zhanhui Kang , Yu Cheng , Chengzhong Xu , Di Wang , Jie Jiang

Trajectory similarity computation is an essential technique for analyzing moving patterns of spatial data across various applications such as traffic management, wildlife tracking, and location-based services. Modern methods often apply…

机器学习 · 计算机科学 2024-06-21 Lihuan Li , Hao Xue , Yang Song , Flora Salim

Understanding trajectory diversity is a fundamental aspect of addressing practical traffic tasks. However, capturing the diversity of trajectories presents challenges, particularly with traditional machine learning and recurrent neural…

人工智能 · 计算机科学 2023-12-04 Ruyi Feng , Zhibin Li , Bowen Liu , Yan Ding

Transformer-based trajectory optimization methods have demonstrated exceptional performance in offline Reinforcement Learning (offline RL). Yet, it poses challenges due to substantial parameter size and limited scalability, which is…

机器学习 · 计算机科学 2024-10-29 Yang Dai , Oubo Ma , Longfei Zhang , Xingxing Liang , Shengchao Hu , Mengzhu Wang , Shouling Ji , Jincai Huang , Li Shen

Knowledge tracing (KT) enhances student learning by leveraging past performance to predict future performance. Current research utilizes models based on attention mechanisms and recurrent neural network structures to capture long-term…

人工智能 · 计算机科学 2024-05-28 Yang Cao , Wei Zhang

We introduce VideoMamba, a novel adaptation of the pure Mamba architecture, specifically designed for video recognition. Unlike transformers that rely on self-attention mechanisms leading to high computational costs by quadratic complexity,…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Jinyoung Park , Hee-Seon Kim , Kangwook Ko , Minbeom Kim , Changick Kim

Semantic trajectories are high level representations of user movements where several aspects related to the movement context are represented as heterogeneous textual labels. With the objective of finding a meaningful similarity measure for…

社会与信息网络 · 计算机科学 2018-09-06 Andrea Esuli , Lucas May Petry , Chiara Renso , Vania Bogorny

High-definition (HD) maps are essential for autonomous driving, as they provide precise road information for downstream tasks. Recent advances highlight the potential of temporal modeling in addressing challenges like occlusions and…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Ruizi Yang , Xiaolu Liu , Junbo Chen , Jianke Zhu

Traffic flow prediction, a critical aspect of intelligent transportation systems, has been increasingly popular in the field of artificial intelligence, driven by the availability of extensive traffic data. The current challenges of traffic…

机器学习 · 计算机科学 2024-05-21 Zhiqi Shao , Michael G. H. Bell , Ze Wang , D. Glenn Geers , Haoning Xi , Junbin Gao