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With the proliferation of smart grids, smart cities face growing challenges due to cyber-attacks and sophisticated electricity theft behaviors, particularly in residential photovoltaic (PV) generation systems. Traditional Electricity Theft…

机器学习 · 计算机科学 2025-05-27 Xiaolu Chen , Chenghao Huang , Yanru Zhang , Hao Wang

The increasing penetration of photovoltaic systems in the power grid makes it vulnerable to cloud shadow projection. Real-time cloud segmentation in ground-based infrared images is important to reduce the noise in intra-hour global solar…

图像与视频处理 · 电气工程与系统科学 2021-05-28 Guillermo Terrén-Serrano , Manel Martínez-Ramón

The evolutionary classification of molecular clumps, crucial for understanding star formation, is commonly based on human-assigned categories derived from infrared (IR) emission and well-established morphological criteria. However, due to…

The global shift towards renewable energy has pushed PV cell manufacturing as a pivotal point as they are the fundamental building block of green energy. However, the manufacturing process is complex enough to lose its purpose due to…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Eiffat E Zaman , Rahima Khanam

We propose a novel Spatio-Temporal Graph Neural Network empowered trend analysis approach (ST-GTrend) to perform fleet-level performance degradation analysis for Photovoltaic (PV) power networks. PV power stations have become an integral…

机器学习 · 计算机科学 2024-02-14 Yangxin Fan , Raymond Wieser , Laura Bruckman , Roger French , Yinghui Wu

In order to assure a stable series of recorded images of sufficient quality for further scientific analysis, an objective image quality measure is required. Especially when dealing with ground-based observations, which are subject to…

太阳与恒星天体物理 · 物理学 2020-11-11 Robert Jarolim , Astrid Veronig , Werner Pötzi , Tatiana Podladchikova

We present an automated system for detecting, tracking, and cataloging emerging active regions throughout their evolution and decay using SOHO Michelson Doppler Interferometer (MDI) magnetograms. The SolarMonitor Active Region Tracking…

太阳与恒星天体物理 · 物理学 2010-07-01 Paul A. Higgins , Peter T. Gallagher , R. T. James McAteer , D. Shaun Bloomfield

This paper presents an innovative method for automatically detecting dust accumulation on a PV system and notifying the user to clean it instantly. The accumulation of dust, bird, or insect droppings on the surface of photovoltaic (PV)…

A design tool was formulated for optimizing the efficiency of inorganic, thin-film, photovoltaic solar cells. The solar cell can have multiple semiconductor layers in addition to antireflection coatings, passivation layers, and buffer…

数值分析 · 数学 2024-09-23 Tom H. Anderson , Benjamin J. Civiletti , Peter Monk , Akhlesh Lakhtakia

In this paper, we propose an unsupervised method for hyperspectral remote sensing image segmentation. The method exploits the mean-shift clustering algorithm that takes as input a preliminary hyperspectral superpixels segmentation together…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Mirko Paolo Barbato , Paolo Napoletano , Flavio Piccoli , Raimondo Schettini

Machine learning techniques can reveal hidden structure in large data amounts and can potentially extent or even replace analytical scientific methods. In nanophotonics, modes can increase the light yield from emitters located inside the…

光学 · 物理学 2018-10-02 Carlo Barth , Christiane Becker

Automatic histopathology image segmentation is crucial to disease analysis. Limited available labeled data hinders the generalizability of trained models under the fully supervised setting. Semi-supervised learning (SSL) based on generative…

计算机视觉与模式识别 · 计算机科学 2020-12-18 Hongxiao Wang , Hao Zheng , Jianxu Chen , Lin Yang , Yizhe Zhang , Danny Z. Chen

Photovoltaic (PV) energy is crucial for the decarbonization of energy systems. Due to the lack of centralized data, remote sensing of rooftop PV installations is the best option to monitor the evolution of the rooftop PV installed fleet at…

计算机视觉与模式识别 · 计算机科学 2023-11-10 Gabriel Kasmi , Laurent Dubus , Yves-Marie Saint-Drenan , Philippe Blanc

Solar storms can have a major impact on the infrastructure of the earth. Some of the causing events are observable from ground in the H{\alpha} spectral line. In this paper we propose a new method for the simultaneous detection of flares…

计算机视觉与模式识别 · 计算机科学 2013-04-29 Gernot Riegler , Thomas Pock , Werner Pötzi , Astrid Veronig

The paper presents the results from a multi-year effort to develop and validate image processing methods for selecting the best physical models based on solar image observations. The approach consists of selecting the physical models based…

图像与视频处理 · 电气工程与系统科学 2022-01-06 V. Jatla , M. S. Pattichis , C. N. Arge

Efficient and reliable operation of Concentrated Solar Power (CSP) plants is essential for meeting the growing demand for sustainable energy. However, high-temperature solar receivers face severe operational risks, such as freezing,…

机器学习 · 计算机科学 2025-08-07 Yorick Estievenart , Sukanya Patra , Souhaib Ben Taieb

Cell detection and segmentation is fundamental for all downstream analysis of digital pathology images. However, obtaining the pixel-level ground truth for single cell segmentation is extremely labor intensive. To overcome this challenge,…

计算机视觉与模式识别 · 计算机科学 2019-10-29 Alireza Chamanzar , Yao Nie

Photonic computing promises faster and more energy-efficient deep neural network (DNN) inference than traditional digital hardware. Advances in photonic computing can have profound impacts on applications such as autonomous driving and…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Lakshmi Nair , David Widemann , Brad Turcott , Nick Moore , Alexandra Wleklinski , Darius Bunandar , Ioannis Papavasileiou , Shihu Wang , Eric Logan

Semantic segmentation is a crucial step in many Earth observation tasks. Large quantity of pixel-level annotation is required to train deep networks for semantic segmentation. Earth observation techniques are applied to varieties of…

计算机视觉与模式识别 · 计算机科学 2021-08-11 Sudipan Saha , Lichao Mou , Muhammad Shahzad , Xiao Xiang Zhu

Introduction. This article deals with the optimization of the energy conversion of a grid-connected photovoltaic system. The novelty is to develop an intelligent maximum power point tracking technique using artificial neural network…

系统与控制 · 电气工程与系统科学 2021-10-27 H. Sahraoui , H. Mellah , S. Drid , L. Chrifi-Alaoui