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Object detection for robot guidance is a crucial mission for autonomous robots, which has provoked extensive attention for researchers. However, the changing view of robot movement and limited available data hinder the research in this…

Computer Vision and Pattern Recognition · Computer Science 2019-11-21 Jingwen Fu , Licheng Zong , Yinbing Li , Ke Li , Bingqian Yang , Xibei Liu

We create a framework to analyse the timing and frequency of instantaneous interactions between pairs of entities. This type of interaction data is especially common nowadays, and easily available. Examples of instantaneous interactions…

Methodology · Statistics 2021-04-01 Riccardo Rastelli , Marco Corneli

Foundation models have driven remarkable progress in text, vision, and video understanding, and are now poised to unlock similar breakthroughs in trajectory modeling. We introduce the GPSMasked Trajectory Transformer (GPS-MTM), a foundation…

Machine Learning · Computer Science 2025-10-09 Umang Garg , Bowen Zhang , Anantajit Subrahmanya , Chandrakanth Gudavalli , BS Manjunath

The increasing pervasiveness of object tracking technologies leads to huge volumes of spatiotemporal data collected in the form of trajectory streams. The discovery of useful group patterns from moving objects' movement behaviours in…

Databases · Computer Science 2022-08-15 Yanwei Yu , Ruoshan Lan , Lei Cao , Peng Song , Yingjie Wang

Traditionally, extracting patterns from eye movement data relies on statistics of different macro-events such as fixations and saccades. This requires an additional preprocessing step to separate the eye movement subtypes, often with a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Arsenii A. Onuchin , Oleg N. Kachan

We introduce the concept of a meta-object, a next-generation virtual object that inherits the form, properties, and functions of its real-world counterpart, enabling seamless synchronization, interaction, and sharing between the physical…

Human-Computer Interaction · Computer Science 2025-03-26 Dooyoung Kim , Taewook Ha , Jinseok Hong , Seonji Kim , Selin Choi , Heejeong Ko , Woontack Woo

User profiling and region analysis are two tasks of significant commercial value. However, in practical applications, modeling different features typically involves four main steps: data preparation, data processing, model establishment,…

Machine Learning · Computer Science 2023-11-20 Ruixing Zhang , Liangzhe Han , Leilei Sun , Yunqi Liu , Jibin Wang , Weifeng Lv

We present a method to perform online Multiple Object Tracking (MOT) of known object categories in monocular video data. Current Tracking-by-Detection MOT approaches build on top of 2D bounding box detections. In contrast, we exploit…

Computer Vision and Pattern Recognition · Computer Science 2017-05-16 Sebastian Bullinger , Christoph Bodensteiner , Michael Arens

We propose a new video representation in terms of an over-segmentation of dense trajectories covering the whole video. Trajectories are often used to encode long-temporal information in several computer vision applications. Similar to…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Ijaz Akhter , Cheong Loong Fah , Richard Hartley

Tracking transforming objects holds significant importance in various fields due to the dynamic nature of many real-world scenarios. By enabling systems accurately represent transforming objects over time, tracking transforming objects…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 You Wu , Yuelong Wang , Yaxin Liao , Fuliang Wu , Hengzhou Ye , Shuiwang Li

The abilities to understand the social interaction behaviors between a vehicle and its surroundings while predicting its trajectory in an urban environment are critical for road safety in autonomous driving. Social interactions are hard to…

Artificial Intelligence · Computer Science 2023-08-09 Amina Ghoul , Itheri Yahiaoui , Anne Verroust-Blondet , Fawzi Nashashibi

Multiple-object tracking (MOT) is a challenging task that requires simultaneous reasoning about location, appearance, and identity of the objects in the scene over time. Our aim in this paper is to move beyond tracking-by-detection…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Bruno Korbar , Andrew Zisserman

In recent years there has been a substantial increase in the availability of datasets which contain information about the location and timing of an event or group of events and the application of methods to analyse spatio-temporal datasets…

Methodology · Statistics 2019-10-02 Nik Lomax , Nick Malleson , Le-Minh Kieu

Spatio-temporal trajectory analytics is at the core of smart mobility solutions, which offers unprecedented information for diversified applications such as urban planning, infrastructure development, and vehicular networks. Trajectory…

Data Structures and Algorithms · Computer Science 2023-03-20 Danlei Hu , Lu Chen , Hanxi Fang , Ziquan Fang , Tianyi Li , Yunjun Gao

We present a new compressed representation of free trajectories of moving objects. It combines a partial-sums-based structure that retrieves in constant time the position of the object at any instant, with a hierarchical…

Data Structures and Algorithms · Computer Science 2017-10-06 Nieves R. Brisaboa , Travis Gagie , Adrián Gómez-Brandón , Gonzalo Navarro , José R. Paramá

Visual querying is essential for interactively exploring massive trajectory data. However, the data uncertainty imposes profound challenges to fulfill advanced analytics requirements. On the one hand, many underlying data does not contain…

Human-Computer Interaction · Computer Science 2019-10-14 Zhaosong Huang , Ye Zhao , Wei Chen , Shengjie Gao , Kejie Yu , Weixia Xu , Mingjie Tang , Minfeng Zhu , Mingliang Xu

Motivated by the problem of pursuit-evasion, we present a motion planning framework that combines energy-based diffusion models with artificial potential fields for robust real time trajectory generation in complex environments. Our…

Robotics · Computer Science 2025-10-17 Wondmgezahu Teshome , Kian Behzad , Octavia Camps , Michael Everett , Milad Siami , Mario Sznaier

3D multi-object tracking and trajectory prediction are two crucial modules in autonomous driving systems. Generally, the two tasks are handled separately in traditional paradigms and a few methods have started to explore modeling these two…

Computer Vision and Pattern Recognition · Computer Science 2024-07-01 Jiaheng Zhuang , Guoan Wang , Siyu Zhang , Xiyang Wang , Hangning Zhou , Ziyao Xu , Chi Zhang , Zhiheng Li

We consider the problem of an autonomous agent equipped with multiple sensors, each with different sensing precision and energy costs. The agent's goal is to explore the environment and gather information subject to its resource constraints…

Robotics · Computer Science 2024-04-30 Joshua Ott , Edward Balaban , Mykel Kochenderfer

We present a framework capable of tackilng the problem of continual object recognition in a setting which resembles that under whichhumans see and learn. This setting has a set of unique characteristics:it assumes an egocentric…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Luca Erculiani , Fausto Giunchiglia , Andrea Passerini
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