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Related papers: Online Goal Recognition using Path Signature and D…

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While recent work on online goal recognition efficiently infers goals under low observability, comparatively less work focuses on online goal recognition that works in both discrete and continuous domains. Online goal recognition approaches…

Artificial Intelligence · Computer Science 2024-08-27 Douglas Tesch , Leonardo Rosa Amado , Felipe Meneguzzi

Goal recognition is the problem of inferring the goal of an agent, based on its observed actions. An inspiring approach - plan recognition by planning (PRP) - uses off-the-shelf planners to dynamically generate plans for given goals,…

Artificial Intelligence · Computer Science 2017-09-29 Mor Vered , Gal A. Kaminka

Goal recognition is an important problem in many application domains (e.g., pervasive computing, intrusion detection, computer games, etc.). In many application scenarios it is important that goal recognition algorithms can recognize goals…

Artificial Intelligence · Computer Science 2023-01-26 Nils Wilken , Lea Cohausz , Johannes Schaum , Stefan Lüdtke , Christian Bartelt , Heiner Stuckenschmidt

In automated planning, recognising the goal of an agent from a trace of observations is an important task with many applications. The state-of-the-art approaches to goal recognition rely on the application of planning techniques, which…

Artificial Intelligence · Computer Science 2022-10-26 Mattia Chiari , Alfonso E. Gerevini , Luca Putelli , Francesco Percassi , Ivan Serina

Recent approaches to goal recognition have progressively relaxed the assumptions about the amount and correctness of domain knowledge and available observations, yielding accurate and efficient algorithms. These approaches, however, assume…

Artificial Intelligence · Computer Science 2018-04-18 Ramon Fraga Pereira , Felipe Meneguzzi

Approaches to goal recognition have progressively relaxed the requirements about the amount of domain knowledge and available observations, yielding accurate and efficient algorithms capable of recognizing goals. However, to recognize goals…

Artificial Intelligence · Computer Science 2018-08-22 Leonardo Amado , João Paulo Aires , Ramon Fraga Pereira , Maurício C. Magnaguagno , Roger Granada , Felipe Meneguzzi

Recent work has demonstrated the effectiveness of formulating decision making as supervised learning on offline-collected trajectories. Powerful sequence models, such as GPT or BERT, are often employed to encode the trajectories. However,…

Machine Learning · Computer Science 2023-10-31 Zilai Zeng , Ce Zhang , Shijie Wang , Chen Sun

Most approaches for goal recognition rely on specifications of the possible dynamics of the actor in the environment when pursuing a goal. These specifications suffer from two key issues. First, encoding these dynamics requires careful…

Artificial Intelligence · Computer Science 2024-04-12 Leonardo Rosa Amado , Reuth Mirsky , Felipe Meneguzzi

Goal recognition is the problem of recognizing the intended goal of autonomous agents or humans by observing their behavior in an environment. Over the past years, most existing approaches to goal and plan recognition have been ignoring the…

Artificial Intelligence · Computer Science 2020-05-13 Ramon Fraga Pereira

Path signatures have been proposed as a powerful representation of paths that efficiently captures the path's analytic and geometric characteristics, having useful algebraic properties including fast concatenation of paths through tensor…

Systems and Control · Electrical Eng. & Systems 2024-06-21 Motoya Ohnishi , Iretiayo Akinola , Jie Xu , Ajay Mandlekar , Fabio Ramos

Online map matching is a fundamental problem in location-based services, aiming to incrementally match trajectory data step-by-step onto a road network. However, existing methods fail to meet the needs for efficiency, robustness, and…

Machine Learning · Computer Science 2025-03-21 Minxiao Chen , Haitao Yuan , Nan Jiang , Zhihan Zheng , Sai Wu , Ao Zhou , Shangguang Wang

Landmark-based human action recognition in videos is a challenging task in computer vision. One key step is to design a generic approach that generates discriminative features for the spatial structure and temporal dynamics. To this end, we…

Computer Vision and Pattern Recognition · Computer Science 2019-12-13 Weixin Yang , Terry Lyons , Hao Ni , Cordelia Schmid , Lianwen Jin

Online action recognition is an important task for human centered intelligent services, which is still difficult to achieve due to the varieties and uncertainties of spatial and temporal scales of human actions. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2020-11-04 Guoliang Liu , Qinghui Zhang , Yichao Cao , Junwei Li , Hao Wu , Guohui Tian

Traditionally, Reinforcement Learning (RL) problems are aimed at optimization of the behavior of an agent. This paper proposes a novel take on RL, which is used to learn the policy of another agent, to allow real-time recognition of that…

Artificial Intelligence · Computer Science 2024-07-24 Matan Shamir , Osher Elhadad , Matthew E. Taylor , Reuth Mirsky

Visual localization is a useful alternative to standard localization techniques. It works by utilizing cameras. In a typical scenario, features are extracted from captured images and compared with geo-referenced databases. Location…

Computer Vision and Pattern Recognition · Computer Science 2020-06-28 Li Weng , Valerie Gouet-Brunet , Bahman Soheilian

The signature of a path is an essential object in the theory of rough paths. The signature representation of the data stream can recover standard statistics, e.g. the moments of the data stream. The classification of random walks indicates…

Other Statistics · Statistics 2015-09-14 Hao Ni

Robots that can effectively understand human intentions from actions are crucial for successful human-robot collaboration. In this work, we address the challenge of a robot navigating towards an unknown goal while also accounting for a…

Robotics · Computer Science 2023-03-17 Oriana Peltzer , Dylan M. Asmar , Mac Schwager , Mykel J. Kochenderfer

In this paper, we propose a novel set of features for offline writer identification based on the path signature approach, which provides a principled way to express information contained in a path. By extracting local pathlets from…

Computer Vision and Pattern Recognition · Computer Science 2019-05-06 Songxuan Lai , Lianwen Jin

Online learning policy makes visual trackers more robust against different distortions through learning domain-specific cues. However, the trackers adopting this policy fail to fully leverage the discriminative context of the background…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Hossein Kashiani , Amir Abbas Hamidi Imani , Shahriar Baradaran Shokouhi , Ahmad Ayatollahi

We present route packing, a novel (geo)visualization technique for displaying several routes simultaneously on a geographic map while preserving the geospatial layout, identity, directionality, and volume of individual routes. The technique…

Human-Computer Interaction · Computer Science 2019-09-24 Jieqiong Zhao , Morteza Karimzadeh , Hanye Xu , Abish Malik , Shehzad Afzal , Guizhen Wang , Niklas Elmqvist , David S. Ebert
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