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Data science pipelines to train and evaluate models with machine learning may contain bugs just like any other code. Leakage between training and test data can lead to overestimating the model's accuracy during offline evaluations, possibly…

Software Engineering · Computer Science 2022-09-08 Chenyang Yang , Rachel A Brower-Sinning , Grace A. Lewis , Christian Kästner

In recent years, many innovative solutions for recording and viewing sounds from a stethoscope have become available. However, to fully utilize such devices, there is a need for an automated approach for detecting abnormal lung sounds,…

Modeling and synthesizing image noise is an important aspect in many computer vision applications. The long-standing additive white Gaussian and heteroscedastic (signal-dependent) noise models widely used in the literature provide only a…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Abdelrahman Abdelhamed , Marcus A. Brubaker , Michael S. Brown

Fall detection for the elderly is a well-researched problem with several proposed solutions, including wearable and non-wearable techniques. While the existing techniques have excellent detection rates, their adoption by the target…

Sound · Computer Science 2022-08-24 Prabhjot Kaur , Qifan Wang , Weisong Shi

Steel pipes are widely used in high-risk and high-pressure scenarios such as oil, chemical, natural gas, shale gas, etc. If there is some defect in steel pipes, it will lead to serious adverse consequences. Applying object detection in the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Dingming Yang , Yanrong Cui , Zeyu Yu , Hongqiang Yuan

Detection of surface water in natural environment via multi-spectral imagery has been widely utilized in many fields, such land cover identification. However, due to the similarity of the spectra of water bodies, built-up areas, approaches…

Artificial Intelligence · Computer Science 2017-09-05 Na Li , Arnaud Martin , Rémi Estival

Simulation techniques based on accurate and efficient representations of potential energy surfaces are urgently needed for the understanding of complex aqueous systems such as solid-liquid interfaces. Here, we present a machine learning…

Microfluidic devices are increasingly used in biological and chemical experiments due to their cost-effectiveness for rheological estimation in fluids. However, these devices often face challenges in terms of accuracy, size, and cost. This…

We apply supervised machine learning techniques to a number of regression problems in fluid dynamics. Four machine learning architectures are examined in terms of their characteristics, accuracy, computational cost, and robustness for…

Fluid Dynamics · Physics 2020-03-18 Kai Fukami , Koji Fukagata , Kunihiko Taira

Fault detection and isolation in water distribution networks is an active topic due to its model's mathematical complexity and increased data availability through sensor placement. Here we simplify the model by offering a data driven…

Systems and Control · Electrical Eng. & Systems 2020-09-08 Paul Irofti , Florin Stoican , Vicenç Puig

A rapid method of finding light leaks in photomultiplier systems is described, in which an audible signal derived from the light level is produced. It uses equipment commonly available in laboratories. In practice it is like using a geiger…

Instrumentation and Detectors · Physics 2019-07-09 John McMillan

Flow velocity is an important characteristic of the fluidic mediums. In this paper, we introduce a molecular based flow velocity meter consisting of a molecule releasing node and a receiver that counts these molecules. We consider both flow…

Information Theory · Computer Science 2021-01-12 Maryam Farahnak-Ghazani , Mahtab Mirmohseni , Masoumeh Nasiri-Kenari

Waterline usually plays as an important visual cue for maritime applications. However, the visual complexity of inland waterline presents a significant challenge for the development of highly efficient computer vision algorithms tailored…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Jing Huang , Hengfeng Miao , Lin Li , Yuanqiao Wen , Changshi Xiao

The lateral-line system that has evolved in many aquatic animals enables them to navigate murky fluid environments, locate and discriminate obstacles. Here, we present a data-driven model that uses artificial neural networks to process flow…

Fluid Dynamics · Physics 2022-09-28 Sreetej Lakkam , Balamurali B T , Roland Bouffanais

Worldwide, sewer networks are designed to transport wastewater to a centralized treatment plant to be treated and returned to the environment. This process is critical for the current society, preventing waterborne illnesses, providing safe…

Computer Vision and Pattern Recognition · Computer Science 2020-02-05 Mario A. Gutierrez-Mondragon , Dario Garcia-Gasulla , Sergio Alvarez-Napagao , Jaume Brossa-Ordoñez , Rafael Gimenez-Esteban

Detection and quantification of information leaks through timing side channels are important to guarantee confidentiality. Although static analysis remains the prevalent approach for detecting timing side channels, it is computationally…

Cryptography and Security · Computer Science 2019-07-25 Saeid Tizpaz-Niari , Pavol Cerny , Sriram Sankaranarayanan , Ashutosh Trivedi

Distributed Acoustic Sensing (DAS) using fiber optic cables is a promising new technology for pipeline monitoring and protection. In this work, we applied and compared two approaches for event detection using DAS: Classic machine learning…

Machine Learning · Computer Science 2019-04-29 Mugdim Bublin

Autonomous underwater inspection of submerged pipelines is challenging due to confined geometries, turbidity, and the scarcity of reliable localization cues. This paper presents a minimal-sensing strategy that enables a free-swimming…

Robotics · Computer Science 2026-02-06 Kalvik Jakkala , Jason O'Kane

Over the recent years, various deep learning-based methods were proposed for extracting a fixed-dimensional embedding vector from speech signals. Although the deep learning-based embedding extraction methods have shown good performance in…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-08 Woo Hyun Kang , Jahangir Alam , Abderrahim Fathan

Watermarking algorithms for large language models (LLMs) have attained high accuracy in detecting LLM-generated text. However, existing methods primarily focus on distinguishing fully watermarked text from non-watermarked text, overlooking…

Computation and Language · Computer Science 2025-02-25 Leyi Pan , Aiwei Liu , Yijian Lu , Zitian Gao , Yichen Di , Shiyu Huang , Lijie Wen , Irwin King , Philip S. Yu
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