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Visual localization and mapping is a crucial capability to address many challenges in mobile robotics. It constitutes a robust, accurate and cost-effective approach for local and global pose estimation within prior maps. Yet, in highly…

Computer Vision and Pattern Recognition · Computer Science 2018-07-11 Guoxiang Zhou , Berta Bescos , Marcin Dymczyk , Mark Pfeiffer , José Neira , Roland Siegwart

To assist humans in open-world environments, robots must interpret ambiguous instructions to locate desired objects. Foundation model-based approaches excel at multimodal grounding, but they lack a principled mechanism for modeling…

Robotics · Computer Science 2026-03-06 Ivy Xiao He , Stefanie Tellex , Jason Xinyu Liu

Mobility On Demand (MOD) systems are revolutionizing transportation in urban settings by improving vehicle utilization and reducing parking congestion. A key factor in the success of an MOD system is the ability to measure and respond to…

Robotics · Computer Science 2017-03-08 Justin Miller , Andres Hasfura , Shih-Yuan Liu , Jonathan P. How

A robot operating in a household makes observations of multiple objects as it moves around over the course of days or weeks. The objects may be moved by inhabitants, but not completely at random. The robot may be called upon later to…

Machine Learning · Computer Science 2022-08-02 Yilun Du , Tomas Lozano-Perez , Leslie Kaelbling

Many localization algorithms use a spatiotemporal window of sensory information in order to recognize spatial locations, and the length of this window is often a sensitive parameter that must be tuned to the specifics of the application.…

Robotics · Computer Science 2017-07-25 Jake Bruce , Adam Jacobson , Michael Milford

Semi-Supervised Object Detection (SSOD), aiming to explore unlabeled data for boosting object detectors, has become an active task in recent years. However, existing SSOD approaches mainly focus on horizontal objects, leaving multi-oriented…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Wei Hua , Dingkang Liang , Jingyu Li , Xiaolong Liu , Zhikang Zou , Xiaoqing Ye , Xiang Bai

We present multimodal DTM, a new model for multimodal journey planning in public (schedule-based) transport networks. Multimodal DTM constitutes an extension of the dynamic timetable model (DTM), developed originally for unimodal journey…

Data Structures and Algorithms · Computer Science 2018-04-17 Kalliopi Giannakopoulou , Andreas Paraskevopoulos , Christos Zaroliagis

Mobile robots that navigate in unknown environments need to be constantly aware of the dynamic objects in their surroundings for mapping, localization, and planning. It is key to reason about moving objects in the current observation and at…

Human motion prediction is important for mobile service robots and intelligent vehicles to operate safely and smoothly around people. The more accurate predictions are, particularly over extended periods of time, the better a system can,…

We segment moving objects in videos by ranking spatio-temporal segment proposals according to "moving objectness": how likely they are to contain a moving object. In each video frame, we compute segment proposals using multiple…

Computer Vision and Pattern Recognition · Computer Science 2015-05-11 Katerina Fragkiadaki , Pablo Arbelaez , Panna Felsen , Jitendra Malik

Complex systems span multiple spatial and temporal scales, making their dynamics challenging to understand and predict. This challenge is especially daunting when one wants to study localized and/or rare events. Advances in dynamical…

Atmospheric and Oceanic Physics · Physics 2025-09-22 Chenyu Dong , Gabriele Messori , Davide Faranda , Adriano Gualandi , Valerio Lucarini , Gianmarco Mengaldo

A large amount of data resulting from trajectories of moving objects activities are collected thanks to localization based services and some associated automated processes. Trajectories data can be used either for transactional and analysis…

Databases · Computer Science 2011-02-23 Wided Oueslati , Jalel Akaichi

Spatiotemporal dynamics models are fundamental for various domains, from heat propagation in materials to oceanic and atmospheric flows. However, currently available neural network-based spatiotemporal modeling approaches fall short when…

Machine Learning · Computer Science 2025-02-11 Valerii Iakovlev , Harri Lähdesmäki

The static world assumption is standard in most simultaneous localisation and mapping (SLAM) algorithms. Increased deployment of autonomous systems to unstructured dynamic environments is driving a need to identify moving objects and…

Robotics · Computer Science 2020-02-25 Mina Henein , Jun Zhang , Robert Mahony , Viorela Ila

The goal of moving object segmentation is separating moving objects from stationary backgrounds in videos. One major challenge in this problem is how to develop a universal model for videos from various natural scenes since previous methods…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Guanfang Dong , Chenqiu Zhao , Xichen Pan , Anup Basu

Thermal comfort is essential for well-being in urban spaces, especially as cities face increasing heat from urbanization and climate change. Existing thermal comfort models usually overlook temporal dynamics alongside spatial dependencies.…

Applications · Statistics 2024-11-19 Federico P. Cortese , Antonio Pievatolo

Moving object segmentation (MOS) provides a reliable solution for detecting traffic participants and thus is of great interest in the autonomous driving field. Dynamic capture is always critical in the MOS problem. Previous methods capture…

Computer Vision and Pattern Recognition · Computer Science 2024-01-31 Jintao Cheng , Kang Zeng , Zhuoxu Huang , Xiaoyu Tang , Jin Wu , Chengxi Zhang , Xieyuanli Chen , Rui Fan

In the last decade, following the emergence of the mobile applications domain, the significance of location information has changed radically. Nowadays, location data not only is a key component of geospatial databases, but also a critical…

Networking and Internet Architecture · Computer Science 2018-04-03 Maria Luisa Damiani

In this work, we present a method for tracking and learning the dynamics of all objects in a large scale robot environment. A mobile robot patrols the environment and visits the different locations one by one. Movable objects are discovered…

Robotics · Computer Science 2018-01-30 Nils Bore , Patric Jensfelt , John Folkesson

Urban spatio-temporal (ST) forecasting is crucial for various urban applications such as intelligent scheduling and trip planning. Previous studies focus on modeling ST correlations among urban locations in offline settings, which often…

Machine Learning · Computer Science 2024-11-26 Chengxin Wang , Gary Tan , Swagato Barman Roy , Beng Chin Ooi