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Related papers: FTIN: Frequency-Time Integration Network for Inert…

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Surface integral equation (SIE) methods are of great interest for the efficient electromagnetic modeling of various devices, from integrated circuits to antenna arrays. Existing acceleration algorithms for SIEs, such as the adaptive…

Computational Engineering, Finance, and Science · Computer Science 2021-07-13 Shashwat Sharma , Piero Triverio

Index modulation (IM) significantly enhances the spectral efficiency of fluid antennas (FAs) enabled multiple-input multiple-output (MIMO) systems, which is named FA-IM. However, due to the dense distribution of ports on the FA, the…

Information Theory · Computer Science 2024-08-20 Xinghao Guo , Yin Xu , Dazhi He , Cixiao Zhang , Wenjun Zhang , Yi-yan Wu

In this article, a tutorial introduction to visual-inertial navigation(VIN) is presented. Visual and inertial perception are two complementary sensing modalities. Cameras and inertial measurement units (IMU) are the corresponding sensors…

Robotics · Computer Science 2023-07-25 Yangyang Ning

This paper presents an extension to visual inertial odometry (VIO) by introducing tightly-coupled fusion of magnetometer measurements. A sliding window of keyframes is optimized by minimizing re-projection errors, relative inertial errors,…

Robotics · Computer Science 2024-09-17 Bharat Joshi , Ioannis Rekleitis

Odometer has been proven to significantly improve the accuracy of the Global Navigation Satellite System / Inertial Navigation System (GNSS/INS) integrated vehicle navigation in GNSS-challenged environments. However, the odometer is…

Robotics · Computer Science 2021-09-08 Hailiang Tang , Xiaoji Niu , Tisheng Zhang , You Li , Jingnan Liu

Ultrasound image segmentation is pivotal for clinical diagnosis, yet challenged by speckle noise and imaging artifacts. Recently, DINOv3 has shown remarkable promise in medical image segmentation with its powerful representation…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Yixuan Zhang , Qing Xu , Yue Li , Xiangjian He , Qian Zhang , Mainul Haque , Rong Qu , Wenting Duan , Zhen Chen

The optical wireless communication (OWC) with the intensity modulation (IM), requires the modulated radio frequency (RF) signal to be real and non-negative. To satisfy the requirements, this paper proposes two types of mixed orthogonal…

Signal Processing · Electrical Eng. & Systems 2020-11-19 Xu Li , Jingjing Huang , Yibo Lyu , Rui Ni , Jiajin Luo , Junping Zhang

In this work, we propose an interoceptive-only state estimation system for a quadrotor with deep neural network processing, where the quadrotor dynamics is considered as a perceptive supplement of the inertial kinematics. To improve the…

Robotics · Computer Science 2023-10-18 Kunyi Zhang , Chenxing Jiang , Jinghang Li , Sheng Yang , Teng Ma , Chao Xu , Fei Gao

This paper proposes a frequency/time hybrid integral-equation method for the time dependent wave equation in two and three-dimensional spatial domains. Relying on Fourier Transformation in time, the method utilizes a fixed…

Numerical Analysis · Mathematics 2020-04-30 Thomas G. Anderson , Oscar P. Bruno , Mark Lyon

Visual-inertial odometry (VIO) is a vital technique used in robotics, augmented reality, and autonomous vehicles. It combines visual and inertial measurements to accurately estimate position and orientation. Existing VIO methods assume a…

Robotics · Computer Science 2024-04-30 Dan Solodar , Itzik Klein

A common issue in exploiting simulated ultrasound data for training neural networks is the domain shift problem, where the trained models on synthetic data are not generalizable to clinical data. Recently, Fourier Domain Adaptation (FDA)…

Image and Video Processing · Electrical Eng. & Systems 2021-09-22 Mostafa Sharifzadeh , Ali K. Z. Tehrani , Habib Benali , Hassan Rivaz

An inertial navigation system (INS) utilizes three orthogonal accelerometers and gyroscopes to determine platform position, velocity, and orientation. There are countless applications for INS, including robotics, autonomous platforms, and…

Signal Processing · Electrical Eng. & Systems 2024-03-26 Zeev Yampolsky , Yair Stolero , Nitzan Pri-Hadash , Dan Solodar , Shira Massas , Itai Savin , Itzik Klein

Communication using orbital angular momentum (OAM) modes has recently received a considerable interest in free space optical (FSO) communications. Propagating OAM modes through free space may be subject to atmospheric turbulence (AT)…

Signal Processing · Electrical Eng. & Systems 2021-03-08 El-Mehdi Amhoud , Marwa Chafii , Ahmad Nimr , Gerhard Fettweis

Infrared-visible object detection (IVOD) seeks to harness the complementary information in infrared and visible images, thereby enhancing the performance of detectors in complex environments. However, existing methods often neglect the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Ke Li , Di Wang , Zhangyuan Hu , Shaofeng Li , Weiping Ni , Lin Zhao , Quan Wang

Accurately estimating vehicle velocity via smartphone is critical for mobile navigation and transportation. This paper introduces a cutting-edge framework for velocity estimation that incorporates temporal learning models, utilizing…

Robotics · Computer Science 2025-05-27 Xuan Xiao , Xiaotong Ren , Haitao Li

Deep learning approaches for Visual-Inertial Odometry (VIO) have proven successful, but they rarely focus on incorporating robust fusion strategies for dealing with imperfect input sensory data. We propose a novel end-to-end selective…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Changhao Chen , Stefano Rosa , Yishu Miao , Chris Xiaoxuan Lu , Wei Wu , Andrew Markham , Niki Trigoni

The orthogonal time frequency space with index modulation (OTFS-IM) offers flexible tradeoffs between spectral efficiency (SE) and bit error rate (BER) in doubly selective fading channels. While OTFS-IM schemes demonstrated such potential,…

Signal Processing · Electrical Eng. & Systems 2025-01-15 Kehan Huang , Min Qiu , Jinhong Yuan

Electrical impedance tomography (EIT) is highly affected by modeling errors regarding electrode positions and the shape of the imaging domain. In this work, we propose a new inclusion detection technique that is completely independent of…

Analysis of PDEs · Mathematics 2018-10-11 Bastian Harrach , Eunjung Lee , Marcel Ullrich

With an ever-widening domain of aerial robotic applications, including many mission critical tasks such as disaster response operations, search and rescue missions and infrastructure inspections taking place in GPS-denied environments, the…

Robotics · Computer Science 2019-07-02 Shehryar Khattak , Christos Papachristos , Kostas Alexis

The nonstationary nature of signals and nonlinear systems require the time-frequency representation. In time-domain signal, frequency information is derived from the phase of the Gabor's analytic signal which is practically obtained by the…

Information Theory · Computer Science 2016-04-19 Pushpendra Singh