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We study a scenario where an aircraft has multiple heterogeneous sensors collecting measurements to track a target vehicle of unknown location. The measurements are sampled along the flight path and our goals to optimize sensor placement to…

Systems and Control · Electrical Eng. & Systems 2023-01-13 Matthew R. Kirchner , David Grimsman , Joao P. Hespanha , Jason R. Marden

Semantic location prediction aims to derive meaningful location insights from multimodal social media posts, offering a more contextual understanding of daily activities than using GPS coordinates. This task faces significant challenges due…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Zhizhen Zhang , Ning Wang , Haojie Li , Zhihui Wang

Spatiotemporal pairwise movement analysis involves identifying shared geographic-based behaviors between individuals within specific time frames. Traditionally, this task relies on sequence modeling and behavior analysis techniques applied…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Maria Cardei , Sabit Ahmed , Gretchen Chapman , Afsaneh Doryab

The similarity between trajectory patterns in clustering has played an important role in discovering movement behaviour of different groups of mobile objects. Several approaches have been proposed to measure the similarity between sequences…

Artificial Intelligence · Computer Science 2012-06-08 Thuy Van T. Duong , Dinh Que Tran , Cong Hung Tran

Global Storm-Resolving Models (GSRMs) have gained widespread interest because of the unprecedented detail with which they resolve the global climate. However, it remains difficult to quantify objective differences in how GSRMs resolve…

Atmospheric and Oceanic Physics · Physics 2023-12-05 Griffin Mooers , Mike Pritchard , Tom Beucler , Prakhar Srivastava , Harshini Mangipudi , Liran Peng , Pierre Gentine , Stephan Mandt

Most existing multimodal trackers adopt uniform fusion strategies, overlooking the inherent differences between modalities. Moreover, they propagate temporal information through mixed tokens, leading to entangled and less discriminative…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Shilei Wang , Pujian Lai , Dong Gao , Jifeng Ning , Gong Cheng

In this paper, we propose a robust end-to-end multi-modal pipeline for place recognition where the sensor systems can differ from the map building to the query. Our approach operates directly on images and LiDAR scans without requiring any…

Robotics · Computer Science 2022-01-13 Lukas Bernreiter , Lionel Ott , Juan Nieto , Roland Siegwart , Cesar Cadena

Publicly available satellite imagery can be an ubiquitous, cheap, and powerful tool for vehicle localisation when a prior sensor map is unavailable. However, satellite images are not directly comparable to data from ground range sensors…

Robotics · Computer Science 2020-09-24 Tim Y. Tang , Daniele De Martini , Shangzhe Wu , Paul Newman

In this paper, we address various challenges in multi-pedestrian and vehicle tracking in high-resolution aerial imagery by intensive evaluation of a number of traditional and Deep Learning based Single- and Multi-Object Tracking methods. We…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Seyed Majid Azimi , Maximilian Kraus , Reza Bahmanyar , Peter Reinartz

Due to the enormous requirement in public security and intelligent transportation system, searching an identical vehicle has become more and more important. Current studies usually treat vehicle as an integral object and then train a…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Ya Sun , Minxian Li , Jianfeng Lu

We study analogical trajectory transfer, where the goal is to translate motion trajectories in one 3D environment to a semantically analogous location in another. Such a capacity would enable machines to perform analogical spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Junho Kim , Eun Sun Lee , Gwangtak Bae , Seunggu Kang , Young Min Kim

In many visual systems, visual tracking often bases on RGB image sequences, in which some targets are invalid in low-light conditions, and tracking performance is thus affected significantly. Introducing other modalities such as depth and…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Chenglong Li , Tianhao Zhu , Lei Liu , Xiaonan Si , Zilin Fan , Sulan Zhai

Balancing cost and performance is crucial when choosing high- versus low-resolution point-cloud roadside sensors. For example, LiDAR delivers dense point cloud, while 4D millimeter-wave radar, though spatially sparser, embeds velocity cues…

Robotics · Computer Science 2025-05-06 Shaozu Ding , Yihong Tang , Marco De Vincenzi , Dajiang Suo

This paper proposes a novel multi-temporal urban mapping approach using multi-modal satellite data from the Sentinel-1 Synthetic Aperture Radar (SAR) and Sentinel-2 MultiSpectral Instrument (MSI) missions. In particular, it focuses on the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Sebastian Hafner , Yifang Ban

In this paper, we consider data acquired by multimodal sensors capturing complementary aspects and features of a measured phenomenon. We focus on a scenario in which the measurements share mutual sources of variability but might also be…

Machine Learning · Computer Science 2022-02-03 Ori Katz , Roy R. Lederman , Ronen Talmon

Current gait recognition research mainly focuses on identifying pedestrians captured by the same type of sensor, neglecting the fact that individuals may be captured by different sensors in order to adapt to various environments. A more…

Computer Vision and Pattern Recognition · Computer Science 2024-04-08 Rui Wang , Chuanfu Shen , Manuel J. Marin-Jimenez , George Q. Huang , Shiqi Yu

This paper reports on ongoing research investigating more expressive approaches to spatial-temporal trajectory clustering. Spatial-temporal data is increasingly becoming universal as a result of widespread use of GPS and mobile devices,…

Databases · Computer Science 2017-12-12 Ivens Portugal , Paulo Alencar , Donald Cowan

Displaced automotive sensor imaging exploits joint processing of the data acquired from multiple radar units, each of which may have limited individual resources, to enhance the localization accuracy. Prior works either consider perfect…

Signal Processing · Electrical Eng. & Systems 2020-10-09 Guohua Wang , Kumar Vijay Mishra

Cross-modality fusing complementary information of multispectral remote sensing image pairs can improve the perception ability of detection algorithms, making them more robust and reliable for a wider range of applications, such as…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Qingyun Fang , Zhaokui Wang

We address the problem of text-guided video temporal grounding, which aims to identify the time interval of a certain event based on a natural language description. Different from most existing methods that only consider RGB images as…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Yi-Wen Chen , Yi-Hsuan Tsai , Ming-Hsuan Yang