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The reliability and quality of 3D printing processes are critically dependent on the timely detection of mechanical faults. Traditional monitoring methods often rely on visual inspection and hardware sensors, which can be both costly and…

Signal Processing · Electrical Eng. & Systems 2026-02-19 Muhammad Fasih Waheed , Shonda Bernadin

Understanding accent is an issue which can derail any human-machine interaction. Accent classification makes this task easier by identifying the accent being spoken by a person so that the correct words being spoken can be identified by…

Sound · Computer Science 2019-10-16 Asad Ahmed , Pratham Tangri , Anirban Panda , Dhruv Ramani , Samarjit Karmakar

Acoustic scene classification is an intricate problem for a machine. As an emerging field of research, deep Convolutional Neural Networks (CNN) achieve convincing results. In this paper, we explore the use of multi-scale Dense connected…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Dawei Feng , Kele Xu , Haibo Mi , Feifan Liao , Yan Zhou

The current mainstream and state-of-the-art anomaly detection (AD) methods are substantially established on pretrained feature networks yielded by ImageNet pretraining. However, regardless of supervised or self-supervised pretraining, the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Xincheng Yao , Yan Luo , Zefeng Qian , Chongyang Zhang

In the past, Acoustic Scene Classification systems have been based on hand crafting audio features that are input to a classifier. Nowadays, the common trend is to adopt data driven techniques, e.g., deep learning, where audio…

Sound · Computer Science 2018-06-29 Eduardo Fonseca , Rong Gong , Xavier Serra

Recognizing sounds is a key aspect of computational audio scene analysis and machine perception. In this paper, we advocate that sound recognition is inherently a multi-modal audiovisual task in that it is easier to differentiate sounds…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-03 Haytham M. Fayek , Anurag Kumar

Early detection of factory machinery malfunctions is crucial in industrial applications. In machine anomalous sound detection (ASD), different machines exhibit unique vibration-frequency ranges based on their physical properties. Meanwhile,…

Sound · Computer Science 2024-09-10 Kai Li , Khalid Zaman , Xingfeng Li , Masato Akagi , Masashi Unoki

Anomaly detection refers to the task of finding unusual instances that stand out from the normal data. In several applications, these outliers or anomalous instances are of greater interest compared to the normal ones. Specifically in the…

Image and Video Processing · Electrical Eng. & Systems 2020-01-14 Manpreet Singh Minhas , John Zelek

Large-amplitude chatter vibrations are one of the most important phenomena in machining processes. It is often detrimental in cutting operations causing a poor surface finish and decreased tool life. Therefore, chatter detection using…

Signal Processing · Electrical Eng. & Systems 2023-03-15 Melih C. Yesilli , Firas A. Khasawneh , Brian Mann

In the context of industrial factories and energy producers, unplanned outages are highly costly and difficult to service. However, existing acoustic-anomaly detection studies largely rely on generic industrial or synthetic datasets, with…

Machine Learning · Computer Science 2025-09-30 Karim Khamaisi , Nicolas Keller , Stefan Krummenacher , Valentin Huber , Bernhard Fässler , Bruno Rodrigues

We propose a novel approach to video anomaly detection: we treat feature vectors extracted from videos as realizations of a random variable with a fixed distribution and model this distribution with a neural network. This lets us estimate…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Jakub Micorek , Horst Possegger , Dominik Narnhofer , Horst Bischof , Mateusz Kozinski

This paper is about alerting acoustic event detection and sound source localisation in an urban scenario. Specifically, we are interested in spotting the presence of horns, and sirens of emergency vehicles. In order to obtain a reliable…

Sound · Computer Science 2022-03-29 Letizia Marchegiani , Paul Newman

Anomaly detection is crucial in large-scale industrial manufacturing as it helps detect and localise defective parts. Pre-training feature extractors on large-scale datasets is a popular approach for this task. Stringent data security and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 C. I. Ugwu , S. Casarin , O. Lanz

Condition monitoring is one of the routine tasks in all major process industries. The mechanical parts such as a motor, gear, bearings are the major components of a process industry and any fault in them may cause a total shutdown of the…

Machine Learning · Computer Science 2018-10-23 Mohendra Roy , Sumon Kumar Bose , Bapi Kar , Pradeep Kumar Gopalakrishnan , Arindam Basu

This paper introduces StutterNet, a novel deep learning based stuttering detection capable of detecting and identifying various types of disfluencies. Most of the existing work in this domain uses automatic speech recognition (ASR) combined…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-09 Shakeel A. Sheikh , Md Sahidullah , Fabrice Hirsch , Slim Ouni

Accent recognition with deep learning framework is a similar work to deep speaker identification, they're both expected to give the input speech an identifiable representation. Compared with the individual-level features learned by speaker…

Sound · Computer Science 2021-08-26 Wei Wang , Chao Zhang , Xiaopei Wu

This paper proposes an approach for anomalous sound detection that incorporates outlier exposure and inlier modeling within a unified framework by multitask learning. While outlier exposure-based methods can extract features efficiently, it…

Sound · Computer Science 2023-09-15 Yucong Zhang , Hongbin Suo , Yulong Wan , Ming Li

Transfer learning from natural image datasets, particularly ImageNet, using standard large models and corresponding pretrained weights has become a de-facto method for deep learning applications to medical imaging. However, there are…

Computer Vision and Pattern Recognition · Computer Science 2019-10-31 Maithra Raghu , Chiyuan Zhang , Jon Kleinberg , Samy Bengio

Experiments at particle colliders are the primary source of insight into physics at microscopic scales. Searches at these facilities often rely on optimization of analyses targeting specific models of new physics. Increasingly, however,…

High Energy Physics - Phenomenology · Physics 2023-11-16 Marat Freytsis , Maxim Perelstein , Yik Chuen San

State-of-the-art anomalous sound detection systems often utilize angular margin losses to learn suitable representations of acoustic data using an auxiliary task, which usually is a supervised or self-supervised classification task. The…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-15 Kevin Wilkinghoff , Frank Kurth