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Solar photovoltaic (PV) modules are prone to damage during manufacturing, installation and operation which reduces their power conversion efficiency. This diminishes their positive environmental impact over the lifecycle. Continuous…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Swayam Rajat Mohanty , Moin Uddin Maruf , Vaibhav Singh , Zeeshan Ahmad

Understanding visual degradations is a critical yet challenging problem in computer vision. While recent Vision-Language Models (VLMs) excel at qualitative description, they often fall short in understanding the parametric physics…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Guanzhou Lan , Chenyi Liao , Yuqi Yang , Qianli Ma , Zhigang Wang , Dong Wang , Bin Zhao , Xuelong Li

Reducing dimensionality is a key preprocessing step in many data analysis applications to address the negative effects of the curse of dimensionality and collinearity on model performance and computational complexity, to denoise the data or…

Machine Learning · Computer Science 2023-03-07 Federico Zocco , Seán McLoone

Longevity and safety of lithium-ion batteries are facilitated by efficient monitoring and adjustment of the battery operating conditions. Hence, it is crucial to implement fast and accurate algorithms for State of Health (SoH) monitoring on…

Applications · Statistics 2021-11-30 Clara Bertinelli Salucci , Azzeddine Bakdi , Ingrid K. Glad , Erik Vanem , Riccardo De Bin

In the present article we investigate optical near fields in semiconductor lasers. We perform finite element simulations for two different laser types, namely a super large optical waveguide (SLOW) laser, which is an edge emitter, and a…

Optics · Physics 2010-11-30 J. Pomplun , S. Burger , F. Schmidt , A. Schliwa , D. Bimberg , A. Pietrzak , H. Wenzel , G. Erbert

Laser cutting is a widely adopted technology in material processing across various industries, but it generates a significant amount of dust, smoke, and aerosols during operation, posing a risk to both the environment and workers' health.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Mohamed Abdallah Salem , Hamdy Ahmed Ashur , Ahmed Elshinnawy

Reliable photovoltaic (PV) power generation requires timely detection of module defects that may reduce energy yield, accelerate degradation, and increase lifecycle operation and maintenance costs during field operation. Electroluminescence…

Artificial Intelligence · Computer Science 2026-04-07 Haoyu He , Yu Duan , Wenzhen Liu , Hanyuan Hang , Boyu Qin , Qiantu Tuo , Xiaoke Yang , Rui Li

Gradient descent on log-sum-exp (LSE) objectives performs implicit expectation--maximization (EM): the gradient with respect to each component output equals its responsibility. The same theory predicts collapse without volume control…

Machine Learning · Computer Science 2026-01-13 Alan Oursland

Convolutional autoencoders have emerged as popular methods for unsupervised defect segmentation on image data. Most commonly, this task is performed by thresholding a pixel-wise reconstruction error based on an $\ell^p$ distance. This…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Paul Bergmann , Sindy Löwe , Michael Fauser , David Sattlegger , Carsten Steger

As the globalization of semiconductor design and manufacturing processes continues, the demand for defect detection during integrated circuit fabrication stages is becoming increasingly critical, playing a significant role in enhancing the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Qiyu Wei , Wei Zhao , Xiaoyan Zheng , Zeng Zeng

The growing deployment of unhardened embedded devices in critical systems demands the monitoring of hardware ageing as part of predictive maintenance. In this paper, we study degradation on a large deployment of 298 naturally aged FPGAs…

Hardware Architecture · Computer Science 2024-12-23 Leandro Lanzieri , Lukasz Butkowski , Jiri Kral , Goerschwin Fey , Holger Schlarb , Thomas C. Schmidt

Generative models have attracted significant interest due to their ability to handle uncertainty by learning the inherent data distributions. However, two prominent generative models, namely Generative Adversarial Networks (GANs) and…

Machine Learning · Computer Science 2023-04-25 Yu Wang , Zhiwei Liu , Liangwei Yang , Philip S. Yu

Several studies point out different causes of performance degradation in supervised machine learning. Problems such as class imbalance, overlapping, small-disjuncts, noisy labels, and sparseness limit accuracy in classification algorithms.…

Machine Learning · Computer Science 2020-04-17 Gustavo A. Valencia-Zapata , Carolina Gonzalez-Canas , Michael G. Zentner , Okan Ersoy , Gerhard Klimeck

Power device reliability is a major concern during operation under extreme environments, as doing so reduces the operational lifetime of any power system or sensing infrastructure. Due to a potential for system failure, devices must be…

Machine Learning · Computer Science 2021-07-23 Carlos Olivares , Raziur Rahman , Christopher Stankus , Jade Hampton , Andrew Zedwick , Moinuddin Ahmed

Photoplasticity, the light-induced change in plastic deformation, plays a pivotal role in the mechanical durability and manufacturing of semiconductor materials. Yet, its governing mechanisms remain incompletely understood, owing to the…

Materials Science · Physics 2026-03-31 Huicong Chen , Mingqiang Li , Zheyuan Ji , Yu Zou

The modeling and analysis of degradation data have been an active research area in reliability and system health management. As the senor technology advances, multivariate sensory data are commonly collected for the underlying degradation…

Applications · Statistics 2021-10-19 Yueyao Wang , I-Chen Lee , Yili Hong , Xinwei Deng

Through training on unlabeled data, anomaly detection has the potential to impact computer-aided diagnosis by outlining suspicious regions. Previous work on deep-learning-based anomaly detection has primarily focused on the reconstruction…

Image and Video Processing · Electrical Eng. & Systems 2019-12-03 David Zimmerer , Jens Petersen , Simon A. A. Kohl , Klaus H. Maier-Hein

Maintaining high standards for user safety during daily railway operations is crucial for railway managers. To aid in this endeavor, top- or side-view cameras and GPS positioning systems have facilitated progress toward automating periodic…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Takato Yasuno , Masahiro Okano , Junichiro Fujii

Renewable energy is critical for combating climate change, whose first step is the storage of electricity generated from renewable energy sources. Li-ion batteries are a popular kind of storage units. Their continuous usage through…

Methodology · Statistics 2024-11-05 Youngjin Cho , Quyen Do , Pang Du , Yili Hong

There is an increasing number of real-world problems in computer vision and machine learning requiring to take into consideration multiple interpretation layers (modalities or views) of the world and learn how they relate to each other. For…

Computer Vision and Pattern Recognition · Computer Science 2024-02-14 Alexandru-Raul Todoran , Marius Leordeanu