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Purpose: Electromagnetic Tracking (EMT) can potentially complement fluoroscopic navigation, reducing radiation exposure in a hybrid setting. Due to the susceptibility to external distortions, systematic error in EMT needs to be compensated…

图像与视频处理 · 电气工程与系统科学 2020-05-25 Henry Krumb , Sofie Hofmann , David Kügler , Ahmed Ghazy , Bernhard Dorweiler , Robert Schmitt , Georgios Sakas , Anirban Mukhopadhyay

Accurate post-processing navigation is essential for applications such as survey and mapping, where the full measurement history can be exploited to refine past state estimates. Fixed-interval smoothing algorithms represent the…

机器人学 · 计算机科学 2026-03-27 Nadav Cohen , Itzik Klein

We present a tracking system for relative positioning that can operate on entirely moving tracking nodes without the need for stationary anchors. Each node embeds a 9-DOF magnetic and inertial measurement unit and a single-antenna…

机器人学 · 计算机科学 2024-09-20 Rayan Armani , Christian Holz

Integrated superconducting spectrometers (ISSs) for wideband sub-mm astronomy utilise quasi-optical systems for coupling radiation from the telescope to the instrument. Misalignment in these systems is detrimental to the system performance.…

One of the main issues for underwater robots navigation is their accurate positioning, which heavily depends on the orientation estimation phase. The systems employed to this scope are affected by different noise typologies, mainly related…

机器人学 · 计算机科学 2025-02-20 Paolo Russo , Fabiana Di Ciaccio , Salvatore Troisi

State estimation is challenging for 3D object tracking with high maneuverability, as the target's state transition function changes rapidly, irregularly, and is unknown to the estimator. Existing work based on interacting multiple model…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Jirong Zha , Yuxuan Fan , Kai Li , Han Li , Chen Gao , Xinlei Chen , Yong Li

We apply a reinforcement meta-learning framework to optimize an integrated and adaptive guidance and flight control system for an air-to-air missile. The system is implemented as a policy that maps navigation system outputs directly to…

系统与控制 · 电气工程与系统科学 2022-05-05 Brian Gaudet , Roberto Furfaro

While LiDAR and cameras are becoming ubiquitous for unmanned aerial vehicles (UAVs) but can be ineffective in challenging environments, 4D millimeter-wave (MMW) radars that can provide robust 3D ranging and Doppler velocity measurements are…

机器人学 · 计算机科学 2025-02-24 Jinwen Zhu , Jun Hu , Xudong Zhao , Xiaoming Lang , Yinian Mao , Guoquan Huang

The emerging space-air-ground integrated network has attracted intensive research and necessitates reliable and efficient aeronautical communications. This paper investigates terahertz Ultra-Massive (UM)-MIMO-based aeronautical…

信息论 · 计算机科学 2021-03-04 Anwen Liao , Zhen Gao , Dongming Wang , Hua Wang , Hao Yin , Derrick Wing Kwan Ng , Mohamed-Slim Alouini

The performance of a wide-field adaptive optics system depends on input design parameters. Here we investigate the performance of a multi-object adaptive optics system design for the European Extremely Large Telescope, using an end-to-end…

天体物理仪器与方法 · 物理学 2016-09-21 Alastair Basden , Tim Morris

Millimeter-wave massive multiple-input multiple-output systems employ highly directional beamforming to overcome severe path loss, and their performance critically depends on accurate beam alignment. Conventional codebook-based methods…

信号处理 · 电气工程与系统科学 2026-02-26 Weijie Jin , Jing Zhang , Hengtao He , Chao-Kai Wen , Xiao Li , Shi Jin

This paper introduces an algorithm for the detection of change-points and the identification of the corresponding subsequences in transient multivariate time-series data (MTSD). The analysis of such data has become more and more important…

信号处理 · 电气工程与系统科学 2023-04-05 Jonas Köhne , Lars Henning , Clemens Gühmann

Multimodal remote sensing technology significantly enhances the understanding of surface semantics by integrating heterogeneous data such as optical images, Synthetic Aperture Radar (SAR), and Digital Surface Models (DSM). However, in…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Tong Wang , Xiaodong Zhang , Guanzhou Chen , Jiaqi Wang , Chenxi Liu , Xiaoliang Tan , Wenchao Guo , Xuyang Li , Xuanrui Wang , Zifan Wang

Spatial misalignment arises when datasets are aggregated or collected at different spatial scales, leading to information loss. We develop a Bayesian disaggregation framework that links misaligned data to a continuous-domain model through…

统计方法学 · 统计学 2025-12-16 Man Ho Suen , Mark Naylor , Finn Lindgren

Understanding human motion is of critical importance for health monitoring and control of assistive robots, yet many human kinematic variables cannot be directly or accurately measured by wearable sensors. In recent years, invariant…

机器人学 · 计算机科学 2025-08-05 Zenan Zhu , Seyed Mostafa Rezayat Sorkhabadi , Yan Gu , Wenlong Zhang

The manifold extended Kalman filter (Manifold EKF) has found extensive application for attitude determination. Magnetometers employed as sensors for such attitude determination are easily prone to disturbances by their sensitivity to…

机器人学 · 计算机科学 2025-09-30 Arjun Sadananda , Ravi Banavar , Kavi Arya

The emergence of modular satellites marks a significant transformation in spacecraft engineering, introducing a new paradigm of flexibility, resilience, and scalability in space exploration endeavors. In addressing complex challenges such…

机器人学 · 计算机科学 2024-09-23 Yuxing Wang , Jie Li , Cong Yu , Xinyang Li , Simeng Huang , Yongzhe Chang , Xueqian Wang , Bin Liang

Integrated sensing and communication (ISAC) is a key technology for enabling a wide range of applications in future wireless systems. However, the sensing performance is often degraded by model mismatches caused by geometric errors (e.g.,…

The cosmological exploitation of modern photometric galaxy surveys requires both accurate (unbiased) and precise (narrow) redshift probability distributions derived from broadband photometry. Existing methodologies do not meet those…

宇宙学与河外天体物理 · 物理学 2019-08-21 Boris Leistedt , David W. Hogg , Risa H. Wechsler , Joe DeRose

Precise, consistent, and reliable positioning is crucial for a multitude of uses. In order to achieve high precision global positioning services, multi-sensor fusion techniques, such as the Global Navigation Satellite System (GNSS)/Inertial…

系统与控制 · 电气工程与系统科学 2024-09-06 Bo Xu , Shoujian Zhang , Jingrong Wang , Jiancheng Li