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We introduce Eff-GRot, an approach for efficient and generalizable rotation estimation from RGB images. Given a query image and a set of reference images with known orientations, our method directly predicts the object's rotation in a…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Fanis Mathioulakis , Gorjan Radevski , Tinne Tuytelaars

The Multiscale Fourier Transform of a seismic trace performs time-frequency analyses over a range of window lengths. The variation in window length captures local and global relative amplitudes between events, thereby allowing reflectivity…

Geophysics · Physics 2025-06-16 John Castagna , Oleg Portniaguine , Gabriel Gil , Arnold Oyem , Chen Liang

This work studies the location estimation problem for a mixture of two rotation invariant log-concave densities. We demonstrate that Least Squares EM, a variant of the EM algorithm, converges to the true location parameter from a randomly…

Machine Learning · Statistics 2019-06-21 Wei Qian , Yuqian Zhang , Yudong Chen

In this paper, we consider the adaptive Eulerian--Lagrangian method (ELM) for linear convection-diffusion problems. Unlike the classical a posteriori error estimations, we estimate the temporal error along the characteristics and derive a…

Numerical Analysis · Mathematics 2012-09-07 Xiaozhe Hu , Young-Ju Lee , Jinchao Xu , Chensong Zhang

Place recognition is a fundamental task for robotic application, allowing robots to perform loop closure detection within simultaneous localization and mapping (SLAM), and achieve relocalization on prior maps. Current range image-based…

Robotics · Computer Science 2024-05-28 Gang Wang , Chaoran Zhu , Qian Xu , Tongzhou Zhang , Hai Zhang , XiaoPeng Fan , Jue Hu

Identifying faulty lines and their accurate location is key for rapidly restoring distribution systems. This will become a greater challenge as the penetration of power electronics increases, and contingencies are seen across larger areas.…

Systems and Control · Electrical Eng. & Systems 2024-09-26 Vaibhav Nougain , Sukumar Mishra , Joan-Marc Rodriguez-Bernuz , Adria Junyent-Ferre , Aditya Shekhar , Aleksandra Lekic

Considering the models that apply the contextual information of time-series data could improve the fault diagnosis performance, some neural network structures such as RNN, LSTM, and GRU were proposed to model the fault diagnosis…

Machine Learning · Computer Science 2022-08-25 Chun Yang

In this report, I investigate the use of end-to-end deep residual learning with dilated convolutions for myocardial infarction (MI) detection and localization from electrocardiogram (ECG) signals. Although deep residual learning has already…

Image and Video Processing · Electrical Eng. & Systems 2019-10-01 Iván López-Espejo

In this paper, we study the inverse electromagnetic medium scattering problem of estimating the support and shape of medium scatterers from scattered electric or magnetic near-field data. We shall develop a novel direct sampling method…

Numerical Analysis · Mathematics 2015-06-12 Kazufumi Ito , Bangti Jin , Jun Zou

Classical Transformer-based line segment detection methods have delivered impressive results. However, we observe that some accurately detected line segments are assigned low confidence scores during prediction, causing them to be ranked…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Xin Tong , Shi Peng , Baojie Tian , Yufei Guo , Xuhui Huang , Zhe Ma

In this paper we analyze the performance of time-reversal (TR) techniques in conjunction with various Ground Penetrating Radar (GPR) pre-processing methods aimed at improving detection of subsurface targets. TR techniques were first…

Geophysics · Physics 2017-10-11 Vinicius R. N. Santos , Fernando L. Teixeira

Induction motors are one of the most crucial electrical equipment and are extensively used in industries in a wide range of applications. This paper presents a machine learning model for the fault detection and classification of induction…

Machine Learning · Computer Science 2024-09-17 Kavana Venkatesh , Neethi M

Magnetic resonance-electrical properties tomography (MR-EPT) is a technique used to estimate the conductivity and permittivity of tissues from MR measurements of the transmit magnetic field. Different reconstruction methods are available,…

Electromyography (EMG) signal analysis is a popular method for controlling prosthetic and gesture control equipment. For portable systems, such as prosthetic limbs, real-time low-power operation on embedded processors is critical, but to…

Signal Processing · Electrical Eng. & Systems 2019-05-10 Sumit Raurale , John McAllister , Jesus Martinez del Rincon

Three-phase PWM rectifiers are adopted extensively in industry because of their excellent properties and potential advantages. However, while the IGBT has an open-circuit fault, the system does not crash suddenly, the performance will be…

Machine Learning · Computer Science 2022-11-02 Kou Lei , Liu Chuang , Cai Guo-Wei , Zhang Zhe , Zhou Jia-Ning , Wang Xue-Mei

Femtosecond electron beams with complex modulation play a crucial role in applications such as X-ray Free Electron Lasers (XFELs) and plasma wakefield accelerators. However, diagnostics for the electron beam current profile still face…

Accelerator Physics · Physics 2026-05-08 Zixiao Guo , Ke Feng , Zhiheng Lou , Guiyao Wang , Wentao Wang , Ruxin Li

This paper proposes a Decision Tree (DT) based detection and classification of internal faults in a power transformer. The faults are simulated in Power System Computer Aided Design (PSCAD)/ Electromagnetic Transients including DC (EMTDC)…

Signal Processing · Electrical Eng. & Systems 2021-06-01 Samita Rani Pani , Pallav Kumar Bera , Vajendra Kumar

With the wide application of electric energy storage component arrays, such as battery arrays, capacitor arrays, inductor arrays, their potential safety risks have gradually drawn the public attention. However, existing technologies cannot…

Applied Physics · Physics 2023-08-16 Tonghui Peng , Wei Gao , Ya Wu , Yulong Ma , Shiwu Zhang , Yinan Hu

In-situ Electron Energy Loss Spectroscopy (EELS) is an instrumental technique that has traditionally been used to understand how the choice of materials processing has the ability to change local structure and composition. However, more…

Early detection of faults in induction motors is crucial for ensuring uninterrupted operations in industrial settings. Among the various fault types encountered in induction motors, bearing, rotor, and stator faults are the most prevalent.…

Signal Processing · Electrical Eng. & Systems 2024-12-25 Usman Ali , Waqas Ali , Umer Ramzan