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Simultaneous mapping and localization (SLAM) in an real indoor environment is still a challenging task. Traditional SLAM approaches rely heavily on low-level geometric constraints like corners or lines, which may lead to tracking failure in…

Robotics · Computer Science 2019-10-01 Xueyang Kang , Shunying Yuan

In the field of autonomous driving, a variety of sensor data types exist, each representing different modalities of the same scene. Therefore, it is feasible to utilize data from other sensors to facilitate image compression. However, few…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Yiheng Jiang , Haotian Zhang , Li Li , Dong Liu , Zhu Li

Neural implicit representations have recently shown promising progress in dense Simultaneous Localization And Mapping (SLAM). However, existing works have shortcomings in terms of reconstruction quality and real-time performance, mainly due…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Zhen Hong , Bowen Wang , Haoran Duan , Yawen Huang , Xiong Li , Zhenyu Wen , Xiang Wu , Wei Xiang , Yefeng Zheng

Navigating robots safely and efficiently in crowded and complex environments remains a significant challenge. However, due to the dynamic and intricate nature of these settings, planning efficient and collision-free paths for robots to…

Robotics · Computer Science 2024-10-22 Zhuanglei Wen , Mingze Dong , Xiai Chen

This paper presents a visual SLAM system that uses both points and lines for robust camera localization, and simultaneously performs a piece-wise planar reconstruction (PPR) of the environment to provide a structural map in real-time. One…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Fangwen Shu , Jiaxuan Wang , Alain Pagani , Didier Stricker

Semantic segmentation of SAR images has garnered significant attention in remote sensing due to the immunity of SAR sensors to cloudy weather and light conditions. Nevertheless, SAR imagery lacks detailed information and is plagued by…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Wang Liu , Zhiyu Wang , Xin Guo , Puhong Duan , Xudong Kang , Shutao Li

Existing dimensionality reduction methods are adept at revealing hidden underlying manifolds arising from high-dimensional data and thereby producing a low-dimensional representation. However, the smoothness of the manifolds produced by…

Machine Learning · Statistics 2018-07-16 Kelum Gajamannage , Randy Paffenroth , Erik M. Bollt

We present a biologically inspired approach for path planning with dynamic obstacle avoidance. Path planning is performed in a condensed configuration space of a robot generated by self-organizing neural networks (SONN). The robot itself…

Robotics · Computer Science 2022-07-11 Lea Steffen , Tobias Weyer , Stefan Ulbrich , Arne Roennau , Rüdiger Dillmann

Blending representation learning approaches with simultaneous localization and mapping (SLAM) systems is an open question, because of their highly modular and complex nature. Functionally, SLAM is an operation that transforms raw sensor…

Robotics · Computer Science 2020-11-20 Krishna Murthy Jatavallabhula , Soroush Saryazdi , Ganesh Iyer , Liam Paull

Scalable and maintainable map representations are fundamental to enabling large-scale visual navigation and facilitating the deployment of robots in real-world environments. While collaborative localization across multi-session mapping…

Robotics · Computer Science 2026-01-21 Jianhao Jiao , Changkun Liu , Jingwen Yu , Boyi Liu , Qianyi Zhang , Yue Wang , Dimitrios Kanoulas

Human navigation in built environments depends on symbolic spatial information which has unrealised potential to enhance robot navigation capabilities. Information sources such as labels, signs, maps, planners, spoken directions, and…

Robotics · Computer Science 2020-05-18 Ben Talbot , Feras Dayoub , Peter Corke , Gordon Wyeth

A host of problems involve the recovery of structured signals from a dimensionality reduced representation such as a random projection; examples include sparse signals (compressive sensing) and low-rank matrices (matrix completion). Given…

Information Theory · Computer Science 2012-05-22 Shirin Jalali , Arian Maleki , Richard Baraniuk

Aerial robots play a vital role in various applications where the situational awareness of the robots concerning the environment is a fundamental demand. As one such use case, drones in GPS-denied environments require equipping with…

Robotics · Computer Science 2024-06-24 Ahmed Radwan , Ali Tourani , Hriday Bavle , Holger Voos , Jose Luis Sanchez-Lopez

We present a collaborative visual simultaneous localization and mapping (SLAM) framework for service robots. With an edge server maintaining a map database and performing global optimization, each robot can register to an existing map,…

Robotics · Computer Science 2021-08-24 Ming Ouyang , Xuesong Shi , Yujie Wang , Yuxin Tian , Yingzhe Shen , Dawei Wang , Peng Wang , Zhiqiang Cao

One of the key challenges in sensor networks is the extraction of information by fusing data from a multitude of distinct, but possibly unreliable sensors. Recovering information from the maximum number of dependable sensors while…

Machine Learning · Statistics 2015-05-20 Vassilis Kekatos , Georgios B. Giannakis

While dense visual SLAM methods are capable of estimating dense reconstructions of the environment, they suffer from a lack of robustness in their tracking step, especially when the optimisation is poorly initialised. Sparse visual SLAM…

Robotics · Computer Science 2022-07-25 Tristan Laidlow , Michael Bloesch , Wenbin Li , Stefan Leutenegger

Simultaneous localization and mapping (SLAM), i.e., the reconstruction of the environment represented by a (3D) map and the concurrent pose estimation, has made astonishing progress. Meanwhile, large scale applications aiming at the data…

Robotics · Computer Science 2025-08-06 Vincent Ress , Wei Zhang , David Skuddis , Norbert Haala , Uwe Soergel

The radio environment map (REM) visually displays the spectrum information over the geographical map and plays a significant role in monitoring, management, and security of spectrum resources.In this paper, we present an efficient 3D REM…

Signal Processing · Electrical Eng. & Systems 2024-03-14 Wang Jie , Zhu Qiuming , Lin Zhipeng , Chen Junting , Ding Guoru , Wu Qihui , Gu Guochen , Gao Qianhao

To autonomously navigate in real-world environments, special in search and rescue operations, Unmanned Aerial Vehicles (UAVs) necessitate comprehensive maps to ensure safety. However, the prevalent metric map often lacks semantic…

Robotics · Computer Science 2024-01-17 Thanh Nguyen Canh , Armagan Elibol , Nak Young Chong , Xiem HoangVan

Autonomous systems can be used to search for sparse signals in a large space; e.g., aerial robots can be deployed to localize threats, detect gas leaks, or respond to distress calls. Intuitively, search algorithms may increase efficiency by…

Machine Learning · Statistics 2016-12-05 Yifei Ma , Roman Garnett , Jeff Schneider