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Fault detection in electric motors is a critical challenge in various industries, where failures can result in significant operational disruptions. This study investigates the use of Recurrent Neural Networks (RNNs) and Bayesian Neural…

Machine Learning · Computer Science 2025-02-17 Waldemar Bauer , Jerzy Baranowski

This study proposes an anomaly detection method based on the Transformer architecture with integrated multiscale feature perception, aiming to address the limitations of temporal modeling and scale-aware feature representation in cloud…

Machine Learning · Computer Science 2025-08-26 Lian Lian , Yilin Li , Song Han , Renzi Meng , Sibo Wang , Ming Wang

Deep Learning models have become potential candidates for auditory neuroscience research, thanks to their recent successes on a variety of auditory tasks. Yet, these models often lack interpretability to fully understand the exact…

Sound · Computer Science 2021-08-04 Rachid Riad , Julien Karadayi , Anne-Catherine Bachoud-Lévi , Emmanuel Dupoux

Cardiac auscultation is an essential point-of-care method used for the early diagnosis of heart diseases. Automatic analysis of heart sounds for abnormality detection is faced with the challenges of additive noise and sensor-dependent…

Sound · Computer Science 2021-06-04 Farhat Binte Azam , Md. Istiaq Ansari , Ian Mclane , Taufiq Hasan

Convolutional Neural Networks are widely used in various machine learning domains. In image processing, the features can be obtained by applying 2D convolution to all spatial dimensions of the input. However, in the audio case, frequency…

Sound · Computer Science 2021-03-26 Simyung Chang , Hyoungwoo Park , Janghoon Cho , Hyunsin Park , Sungrack Yun , Kyuwoong Hwang

Terahertz Time Domain Spectroscopy (THz-TDS) systems have emerged as mature technologies with significant potential across various research fields and industries. However, the lack of standardized methods for signal and noise estimation and…

Temporal anomaly detection looks for irregularities over space-time. Unsupervised temporal models employed thus far typically work on sequences of feature vectors, and much less on temporal multiway data. We focus our investigation on…

Machine Learning · Computer Science 2020-09-22 Duc Nguyen , Phuoc Nguyen , Kien Do , Santu Rana , Sunil Gupta , Truyen Tran

This paper introduces a new dataset called "ToyADMOS" designed for anomaly detection in machine operating sounds (ADMOS). To the best our knowledge, no large-scale datasets are available for ADMOS, although large-scale datasets have…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-12 Yuma Koizumi , Shoichiro Saito , Hisashi Uematsu , Noboru Harada , Keisuke Imoto

Automatic recognition of disordered speech remains a highly challenging task to date. Sources of variability commonly found in normal speech including accent, age or gender, when further compounded with the underlying causes of speech…

Sound · Computer Science 2022-01-20 Mengzhe Geng , Shansong Liu , Jianwei Yu , Xurong Xie , Shoukang Hu , Zi Ye , Zengrui Jin , Xunying Liu , Helen Meng

We propose a spatial diffuseness feature for deep neural network (DNN)-based automatic speech recognition to improve recognition accuracy in reverberant and noisy environments. The feature is computed in real-time from multiple microphone…

Computation and Language · Computer Science 2015-09-02 Andreas Schwarz , Christian Huemmer , Roland Maas , Walter Kellermann

Time-of-flight (ToF) distance measurement devices such as ultrasonics, LiDAR and radar are widely used in autonomous vehicles for environmental perception, navigation and assisted braking control. Despite their relative importance in making…

Systems and Control · Electrical Eng. & Systems 2022-12-16 Martin Higgins , Devki Jha , David Wallom

Pulsed nuclear magnetic resonance (NMR) is widely used in high-precision magnetic field measurements. The absolute value of the magnetic field is determined from the precession frequency of nuclear magnetic moments. The Hilbert transform is…

Weakly supervised video anomaly detection (WS-VAD) is a crucial area in computer vision for developing intelligent surveillance systems. This system uses three feature streams: RGB video, optical flow, and audio signals, where each stream…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Yuta Kaneko , Abu Saleh Musa Miah , Najmul Hassan , Hyoun-Sup Lee , Si-Woong Jang , Jungpil Shin

Autism spectrum disorder (ASD) can be defined as a neurodevelopmental disorder that affects how children interact, communicate and socialize with others. This disorder can occur in a broad spectrum of symptoms, with varying effects and…

Machine Learning · Computer Science 2021-10-08 Vikram Ramesh , Rida Assaf

The ability to capture and segment sounding objects in dynamic visual scenes is crucial for the development of Audio-Visual Segmentation (AVS) tasks. While significant progress has been made in this area, the interaction between audio and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Kai Peng , Yunzhe Shen , Miao Zhang , Leiye Liu , Yidong Han , Wei Ji , Jingjing Li , Yongri Piao , Huchuan Lu

A time-varying microwave photonic filter (TV-MPF) based on stimulated Brillouin scattering (SBS) is proposed and utilized to suppress the in-band noise of broadband arbitrary microwave waveforms, thereby improving the signal-to-noise ratio…

Signal Processing · Electrical Eng. & Systems 2022-05-04 Dong Ma , Yang Chen

This paper introduces an unsupervised framework for detecting audio patterns in musical samples (loops) through anomaly detection techniques, addressing challenges in music information retrieval (MIR). Existing methods are often constrained…

Sound · Computer Science 2025-06-02 Shayan Dadman , Bernt Arild Bremdal , Børre Bang , Rune Dalmo

This study presents a systematic evaluation of time-frequency feature design for binaural sound source localization (SSL), focusing on how feature selection influences model performance across diverse conditions. We investigate the…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-19 Davoud Shariat Panah , Alessandro Ragano , Dan Barry , Jan Skoglund , Andrew Hines

Anomaly Detection (AD) on medical images enables a model to recognize any type of anomaly pattern without lesion-specific supervised learning. Data augmentation based methods construct pseudo-healthy images by "pasting" fake lesions on real…

Image and Video Processing · Electrical Eng. & Systems 2022-04-19 Haote Xu , Yunlong Zhang , Liyan Sun , Chenxin Li , Yue Huang , Xinghao Ding

State-of-the-art methods for audio generation suffer from fingerprint artifacts and repeated inconsistencies across temporal and spectral domains. Such artifacts could be well captured by the frequency domain analysis over the spectrogram.…

Sound · Computer Science 2021-06-29 Yang Gao , Tyler Vuong , Mahsa Elyasi , Gaurav Bharaj , Rita Singh