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This work studies the problem of object goal navigation which involves navigating to an instance of the given object category in unseen environments. End-to-end learning-based navigation methods struggle at this task as they are ineffective…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Devendra Singh Chaplot , Dhiraj Gandhi , Abhinav Gupta , Ruslan Salakhutdinov

Multimodal Information Extraction (MIE) requires fusing text and visual cues from visually rich documents. While recent methods have advanced multimodal representation learning, most implicitly assume modality equivalence or treat…

Information Retrieval · Computer Science 2025-11-20 Yang Li , Yajiao Wang , Wenhao Hu , Zhixiong Zhang , Mengting Zhang

In this paper, we propose a method that, given a partial grid map of an indoor environment built by an autonomous mobile robot, estimates the amount of the explored area represented in the map, as well as whether the uncovered part is still…

Robotics · Computer Science 2024-06-21 Matteo Luperto , Marco Maria Ferrara , Giacomo Boracchi , Francesco Amigoni

Enabling robots to understand the world in terms of objects is a critical building block towards higher level autonomy. The success of foundation models in vision has created the ability to segment and identify nearly all objects in the…

Robotics · Computer Science 2024-04-09 Kurran Singh , Tim Magoun , John J. Leonard

As robots become increasingly capable, users will want to describe high-level missions and have robots infer the relevant details. Because pre-built maps are difficult to obtain in many realistic settings, accomplishing such missions will…

Robotics · Computer Science 2025-03-24 Zachary Ravichandran , Varun Murali , Mariliza Tzes , George J. Pappas , Vijay Kumar

The deployment of autonomous service robots in human-centric environments is hindered by a critical gap in perception and planning. Traditional navigation systems rely on expensive LiDARs that, while geometrically precise, are semantically…

Robotics · Computer Science 2025-11-11 Praveen Kumar , Tushar Sandhan

Autonomous exploration of unknown environments using a team of mobile robots demands distributed perception and planning strategies to enable efficient and scalable performance. Ideally, each robot should update its map and plan its motion…

Robotics · Computer Science 2024-05-07 Arash Asgharivaskasi , Fritz Girke , Nikolay Atanasov

Radio maps find numerous applications in wireless communications and mobile robotics tasks, including resource allocation, interference coordination, and mission planning. Although numerous techniques have been proposed to construct radio…

Signal Processing · Electrical Eng. & Systems 2022-01-14 Raju Shrestha , Daniel Romero , Sundeep Prabhakar Chepuri

At the heart of path-planning methods for autonomous robotic exploration is a heuristic which encourages exploring unknown regions of the environment. Such heuristics are typically computed using frontier-based or information-theoretic…

Robotics · Computer Science 2020-11-11 Di Deng , Runlin Duan , Jiahong Liu , Kuangjie Sheng , Kenji Shimada

Manipulation in confined and cluttered environments remains a significant challenge due to partial observability and complex configuration spaces. Effective manipulation in such environments requires an intelligent exploration strategy to…

Robotics · Computer Science 2026-05-20 Qixuan Li , Chen Le , Dongyue Huang , Jincheng Yu , Xinlei Chen

Autonomous exploration in unknown environments is key for mobile robots, helping them perceive, map, and make decisions in complex areas. However, current methods often rely on frequent global optimization, suffering from high computational…

Robotics · Computer Science 2026-02-27 Kai Li , Shengtao Zheng , Linkun Xiu , Yuze Sheng , Xiao-Ping Zhang , Dongyue Huang , Xinlei Chen

Multi-robot systems are an efficient method to explore and map an unknown environment. The simulataneous localization and mapping (SLAM) algorithm is common for single robot systems, however multiple robots can share respective map data in…

Robotics · Computer Science 2021-02-03 Henry Fielding Cappel

In this letter, we address the problem of exploration and metric-semantic mapping of multi-floor GPS-denied indoor environments using Size Weight and Power (SWaP) constrained aerial robots. Most previous work in exploration assumes that…

Robotics · Computer Science 2025-07-22 Yuezhan Tao , Xu Liu , Igor Spasojevic , Saurav Agarwal , Vijay Kumar

Semantic communication, as a promising technology, has emerged to break through the Shannon limit, which is envisioned as the key enabler and fundamental paradigm for future 6G networks and applications, e.g., smart healthcare. In this…

Image and Video Processing · Electrical Eng. & Systems 2022-09-27 Jiawen Kang , Hongyang Du , Zonghang Li , Zehui Xiong , Shiyao Ma , Dusit Niyato , Yuan Li

This paper presents a novel strategy for autonomous teamed exploration of subterranean environments using legged and aerial robots. Tailored to the fact that subterranean settings, such as cave networks and underground mines, often involve…

Exploration of an unknown environment by a mobile robot is a complex task involving solution of many fundamental problems from data processing, localization to high-level planning and decision making. The exploration framework we developed…

Robotics · Computer Science 2017-08-01 Miroslav Kulich , Vojtěch Lhotský , Libor Přeučil

Several deployment locations of mobile robotic systems are human made (i.e. urban firefighter, building inspection, property security) and the manager may have access to domain-specific knowledge about the place, which can provide semantic…

Robotics · Computer Science 2021-06-21 Rafael Gomes Braga , Sina Karimi , Ulrich Dah-Achinanon , Ivanka Iordanova , David St-Onge

Current technological advances open up new opportunities for bringing human-machine interaction to a new level of human-centered cooperation. In this context, a key issue is the semantic understanding of the environment in order to enable…

Robotics · Computer Science 2022-11-08 Thorsten Hempel , Marc-André Fiedler , Aly Khalifa , Ayoub Al-Hamadi , Laslo Dinges

This paper addresses a new semantic multi-robot planning problem in uncertain and dynamic environments. Particularly, the environment is occupied with non-cooperative, mobile, uncertain labeled targets. These targets are governed by…

Robotics · Computer Science 2023-03-07 Samarth Kalluraya , George J. Pappas , Yiannis Kantaros

We aim for mobile robots to function in a variety of common human environments. Such robots need to be able to reason about the locations of previously unseen target objects. Landmark objects can help this reasoning by narrowing down the…

Robotics · Computer Science 2020-06-22 Zhen Zeng , Adrian Röfer , Odest Chadwicke Jenkins