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This paper proposes a new image-based localization framework that explicitly localizes the camera/robot by fusing Convolutional Neural Network (CNN) and sequential images' geometric constraints. The camera is localized using a single or few…

计算机视觉与模式识别 · 计算机科学 2022-01-06 Jingwei Song , Mitesh Patel , Maani Ghaffari

Bearings play an integral role in ensuring the reliability and efficiency of rotating machinery - reducing friction and handling critical loads. Bearing failures that constitute up to 90% of mechanical faults highlight the imperative need…

信号处理 · 电气工程与系统科学 2025-02-26 Tasfiq E. Alam , Md Manjurul Ahsan , Shivakumar Raman

In this paper, we propose to utilize Convolutional Neural Networks (CNNs) and the segmentation-based multi-scale analysis to locate tampered areas in digital images. First, to deal with color input sliding windows of different scales, a…

计算机视觉与模式识别 · 计算机科学 2018-12-26 Yaqi Liu , Qingxiao Guan , Xianfeng Zhao , Yun Cao

Due to the increasing share of renewables, the analysis of the dynamical behavior of power grids gains importance. Effective risk assessments necessitate the analysis of large number of fault scenarios. The computational costs inherent in…

系统与控制 · 电气工程与系统科学 2026-05-06 Christian Nauck , Anna Büttner , Sebastian Liemann , Frank Hellmann , Michael Lindner

In the context of self-driving vehicles there is strong competition between approaches based on visual localisation and LiDAR. While LiDAR provides important depth information, it is sparse in resolution and expensive. On the other hand,…

机器人学 · 计算机科学 2021-06-02 Oscar Mendez , Simon Hadfield , Richard Bowden

Clients are increasingly looking for fast and effective means to quickly and frequently survey and communicate the condition of their buildings so that essential repairs and maintenance work can be done in a proactive and timely manner…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Husein Perez , Joseph H. M. Tah , Amir Mosavi

The reduced cost and computational and calibration requirements of monocular cameras make them ideal positioning sensors for mobile robots, albeit at the expense of any meaningful depth measurement. Solutions proposed by some scholars to…

机器人学 · 计算机科学 2024-04-30 Yi Shen , Hao Liu , Xinxin Liu , Wenjing Zhou , Chang Zhou , Yizhou Chen

This paper presents a study on power grid disturbance classification by Deep Learning (DL). A real synchrophasor set composing of three different types of disturbance events from the Frequency Monitoring Network (FNET) is used. An image…

机器学习 · 计算机科学 2018-12-27 Yongli Zhu , Chengxi Liu , Kai Sun

This paper presents a novel approach for indoor acoustic source localization using microphone arrays and based on a Convolutional Neural Network (CNN). The proposed solution is, to the best of our knowledge, the first published work in…

声音 · 计算机科学 2019-02-01 Juan Manuel Vera-Diaz , Daniel Pizarro , Javier Macias-Guarasa

The optimal PMU locations to collect voltage phase angle measurements for detecting line outages in wide-area transmission networks are investigated. The problem is established as one of maximizing the minimum distance among the voltage…

最优化与控制 · 数学 2012-07-30 Yue Zhao , Andrea Goldsmith , H. Vincent Poor

It is very important to locate the short-circuit fault in a power system quickly and accurately. Electromagnetic time reversal (EMTR) has drawn increasing attention because of its clear physical background and excellent performance. This…

计算工程、金融与科学 · 计算机科学 2021-12-14 Guanbo Wang , Chijie Zhuang , Rong Zeng

Data driven transmission line fault location methods have the potential to more accurately locate faults by extracting fault information from available data. However, most of the data driven fault location methods in the literature are not…

系统与控制 · 电气工程与系统科学 2023-07-20 Yiqi Xing , Yu Liu , Dayou Lu , Xinchen Zou , Xuming He

Convolutional Neural Networks (CNN) are very popular in many fields including computer vision, speech recognition, natural language processing, to name a few. Though deep learning leads to groundbreaking performance in these domains, the…

计算机视觉与模式识别 · 计算机科学 2021-09-21 Chaim Baskin , Natan Liss , Yoav Chai , Evgenii Zheltonozhskii , Eli Schwartz , Raja Giryes , Avi Mendelson , Alexander M. Bronstein

In the absence of global positioning information, place recognition is a key capability for enabling localization, mapping and navigation in any environment. Most place recognition methods rely on images, point clouds, or a combination of…

机器人学 · 计算机科学 2018-04-26 Andrei Cramariuc , Renaud Dubé , Hannes Sommer , Roland Siegwart , Igor Gilitschenski

Traditional optimization-based techniques for time-synchronized state estimation (SE) often suffer from high online computational burden, limited phasor measurement unit (PMU) coverage, and presence of non-Gaussian measurement noise.…

系统与控制 · 电气工程与系统科学 2025-06-05 Shiva Moshtagh , Behrouz Azimian , Mohammad Golgol , Anamitra Pal

Large infrastructure networks (e.g. for transportation and power distribution) require constant monitoring for failures, congestion, and other adversarial events. However, assigning a sensor to every link in the network is often infeasible…

信号处理 · 电气工程与系统科学 2024-01-08 Arnav Burudgunte , Arlei Silva

Weakly supervised object localization is a challenging task in which the object of interest should be localized while learning its appearance. State-of-the-art methods recycle the architecture of a standard CNN by using the activation maps…

计算机视觉与模式识别 · 计算机科学 2020-12-03 Akhil Meethal , Marco Pedersoli , Soufiane Belharbi , Eric Granger

Multiple-input multiple-output (MIMO) is an enabling technology to meet the growing demand for faster and more reliable communications in wireless networks with a large number of terminals, but it can also be applied for position estimation…

信号处理 · 电气工程与系统科学 2021-08-06 Gregor Cerar , Aleš Švigelj , Mihael Mohorčič , Carolina Fortuna , Tomaž Javornik

Modern power systems face significant challenges in state estimation and real-time monitoring, particularly regarding response speed and accuracy under faulty conditions or cyber-attacks. This paper proposes a hybrid approach using…

机器学习 · 计算机科学 2026-04-07 Solon Falas , Markos Asprou , Charalambos Konstantinou , Maria K. Michael

There is a need to build intelligence in operating machinery and use data analysis on monitored signals in order to quantify the health of the operating system and self-diagnose any initiations of fault. Built-in control procedures can…

信号处理 · 电气工程与系统科学 2020-06-18 G. Zhang , A. R. Singer , N. Vlahopoulos