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Accurate extrinsic sensor calibration is essential for both autonomous vehicles and robots. Traditionally this is an involved process requiring calibration targets, known fiducial markers and is generally performed in a lab. Moreover, even…

机器人学 · 计算机科学 2021-03-18 Celyn Walters , Oscar Mendez , Simon Hadfield , Richard Bowden

Event cameras generate asynchronous signals in response to pixel-level brightness changes, offering a sensing paradigm with theoretically microsecond-scale latency that can significantly enhance the performance of multi-sensor systems.…

机器人学 · 计算机科学 2025-08-19 Jiayao Mai , Xiuyuan Lu , Kuan Dai , Shaojie Shen , Yi Zhou

Methodical aerial population surveys monitoring critically endangered species in Canadian North Atlantic waters are instrumental in influencing government policies both in economic and conservational efforts. The primary factor hindering…

信号处理 · 电气工程与系统科学 2023-05-18 Joshua Power , Derek Jacoby , Marc-Antoine Drouin , Guillaume Durand , Yvonne Coady , Julian Meng

In pace with the electronic technology development and the production technology improvement, industrial robot Give Scope to the Advantage in social services and industrial production. However, due to long-term mechanical wear and…

机器人学 · 计算机科学 2022-08-05 Tinghui Chen , Shuai Li , Hao Wu

We present a method for scalable and fully 3D magnetic field simultaneous localisation and mapping (SLAM) using local anomalies in the magnetic field as a source of position information. These anomalies are due to the presence of…

机器人学 · 计算机科学 2018-06-12 Manon Kok , Arno Solin

Calibrating robots into their workspaces is crucial for manipulation tasks. Existing calibration techniques often rely on sensors external to the robot (cameras, laser scanners, etc.) or specialized tools. This reliance complicates the…

机器人学 · 计算机科学 2024-03-21 Podshara Chanrungmaneekul , Kejia Ren , Joshua T. Grace , Aaron M. Dollar , Kaiyu Hang

For effective autonomous navigation,estimation of the pose of the robot is essential at every sampling time. For computing an accurate estimation,odometric error needs to be reduced with the help of data from external sensor. In this work,…

计算机视觉与模式识别 · 计算机科学 2012-12-07 Debajyoti Banerji , Ranjit Ray , Jhankar Basu , Indrajit Basak

Accurate positioning is crucial in the construction industry, where labor shortages highlight the need for automation. Robotic systems with long kinematic chains are required to reach complex workspaces, including floors, walls, and…

机器人学 · 计算机科学 2025-01-27 Julien Kindle , Michael Loetscher , Andrea Alessandretti , Cesar Cadena , Marco Hutter

The problem of bias, meaning over- or underestimation, of the component perpendicular to the line-of-sight, Bperp, in vector magnetic field maps is discussed. Previous works on this topic have illustrated that the problem exists; here we…

太阳与恒星天体物理 · 物理学 2022-09-28 K. D. Leka , Eric L. Wagner , Ana Belén Griñón-Marín , Véronique Bommier , Richard Higgins

We propose factor graph optimization for simultaneous planning, control, and trajectory estimation for collision-free navigation of autonomous systems in environments with moving objects. The proposed online probabilistic motion planning…

机器人学 · 计算机科学 2022-04-29 Matthew King-Smith , Panagiotis Tsiotras , Frank Dellaert

Maintaining consistent uncertainty estimates in localization systems is crucial as the perceived uncertainty commonly affects high-level system components, such as control or decision processes. A method for constructing an…

机器人学 · 计算机科学 2024-08-20 Chuan Huang , Gustaf Hendeby , Isaac Skog

Robotic calibration allows for the fusion of data from multiple sensors such as odometers, cameras, etc., by providing appropriate transformational relationships between the corresponding reference frames. For wheeled robots equipped with…

机器人学 · 计算机科学 2020-01-07 Mohan Krishna Nutalapati , Lavish Arora , Anway Bose , Ketan Rajawat , Rajesh M Hegde

In the field of Multi-Agent Systems (MAS), known for their openness, dynamism, and cooperative nature, the ability to trust the resources and services of other agents is crucial. Trust, in this setting, is the reliance and confidence an…

人工智能 · 计算机科学 2024-02-13 Behzad Akbari , Mingfeng Yuan , Hao Wang , Haibin Zhu , Jinjun Shan

The implementation of computational sensing strategies often faces calibration problems typically solved by means of multiple, accurately chosen training signals, an approach that can be resource-consuming and cumbersome. Conversely, blind…

信息论 · 计算机科学 2017-02-17 Valerio Cambareri , Laurent Jacques

Modern navigation systems rely heavily on Global Navigation Satellite Systems (GNSS), whose weak spaceborne signals are vulnerable to jamming, spoofing, and line-of-sight blockage. As an alternative, the Earth's magnetic field entails…

量子物理 · 物理学 2025-12-16 Thinh Le , Shiqian Guo , Jianqing Liu

Continued demand for accurate and computationally efficient transport methods to solve optically thick, fixed-source transport problems has inspired research on variance-reduction (VR) techniques for Monte Carlo (MC). Methods that use…

数值分析 · 计算机科学 2015-02-18 S. C. Wilson , R. N. Slaybaugh

Magnetic-field simultaneous localization and mapping (SLAM) using consumer-grade inertial and magnetometer sensors offers a scalable, cost-effective solution for indoor localization. However, the rapid error accumulation in the inertial…

信号处理 · 电气工程与系统科学 2025-05-15 Isaac Skog , Manon Kok , Gustaf Hendeby , Chuan Huang , Thomas Edridge

Adaptive algorithms based on sample matrix inversion belong to an important class of algorithms used in radar target detection to overcome prior uncertainty of interference covariance. Sample matrix inversion problem is generally ill…

信号处理 · 电气工程与系统科学 2020-10-15 Boris N. Oreshkin , Peter A. Bakulev

Robust navigation in urban environments has received a considerable amount of both academic and commercial interest over recent years. This is primarily due to large commercial organizations such as Google and Uber stepping into the…

机器人学 · 计算机科学 2018-06-26 Ryan M. Watson , Jason N. Gross

Optical aberrations prevent telescopes from reaching their theoretical diffraction limit. Once estimated, these aberrations can be compensated for using deformable mirrors in a closed loop. Focal plane wavefront sensing enables the…