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In light of their capability to capture structural information while reducing computing complexity, anchor graph-based multi-view clustering (AGMC) methods have attracted considerable attention in large-scale clustering problems.…

Machine Learning · Computer Science 2025-09-19 Zhiyuan Xue , Ben Yang , Xuetao Zhang , Fei Wang , Zhiping Lin

To improve device robustness, a highly desirable key feature of a competitive data-driven acoustic scene classification (ASC) system, a novel two-stage system based on fully convolutional neural networks (CNNs) is proposed. Our two-stage…

Switched capacitor arrays (SCA) ASICs are becoming more and more popular for the readout of detector signals, since the sampling frequency of typically several gigasamples per second allows excellent pile-up rejection and time measurements.…

Instrumentation and Detectors · Physics 2014-11-24 D. Stricker-Shaver , S. Ritt , B. J. Pichler

The classification of electrocardiographic (ECG) signals is a challenging problem for healthcare industry. Traditional supervised learning methods require a large number of labeled data which is usually expensive and difficult to obtain for…

Signal Processing · Electrical Eng. & Systems 2018-11-28 Xu Chen , Saratendu Sethi

Deep learning models for atrial fibrillation (AF) detection are increasingly trained on heterogeneous electrocardiogram (ECG) datasets with varying sampling frequencies, yet the specific consequences of these discrepancies on model…

Neuromorphic computing, inspired by nervous systems, revolutionizes information processing with its focus on efficiency and low power consumption. Using sparse coding, this paradigm enhances processing efficiency, which is crucial for edge…

Sound · Computer Science 2025-09-01 Soufiyan Bahadi , Eric Plourde , Jean Rouat

Class imbalance poses a major challenge for machine learning as most supervised learning models might exhibit bias towards the majority class and under-perform in the minority class. Cost-sensitive learning tackles this problem by treating…

Machine Learning · Computer Science 2022-09-20 Vasileios Iosifidis , Symeon Papadopoulos , Bodo Rosenhahn , Eirini Ntoutsi

Frequently misclassified pairs of classes that share many common acoustic properties exist in acoustic scene classification (ASC). To distinguish such pairs of classes, trivial details scattered throughout the data could be vital clues.…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-10 Hye-jin Shim , Jee-weon Jung , Ju-ho Kim , Ha-jin Yu

With the fast development of deep learning, it has become common to learn big neural networks using massive training data. Asynchronous Stochastic Gradient Descent (ASGD) is widely adopted to fulfill this task for its efficiency, which is,…

Machine Learning · Computer Science 2020-02-19 Shuxin Zheng , Qi Meng , Taifeng Wang , Wei Chen , Nenghai Yu , Zhi-Ming Ma , Tie-Yan Liu

This paper presents the development of a joint optimization of an automatic gain control (AGC) algorithm and a linear \textit{minimum mean square error} (MMSE) receiver for multi-user multiple input multiple output (MU-MIMO) systems with…

Information Theory · Computer Science 2018-10-30 T. Cunha , R. C. de Lamare

Automatic generation control (AGC) is one of the most important coordinated control systems present in modern interconnected power systems. Despite being heavily studied, no interconnected dynamic stability and performance analysis of AGC…

Optimization and Control · Mathematics 2020-07-06 John W. Simpson-Porco

To address the calibration and procedural challenges inherent in remote audiogram assessment for rehabilitative audiology, this study investigated whether calibration-independent adaptive categorical loudness scaling (ACALOS) data can be…

Sound · Computer Science 2026-04-07 Chen Xu , Lena Schell-Majoor , Birger Kollmeier

For the past few years, we have developed flexible, active, multiplexed recording devices for high resolution recording over large, clinically relevant areas in the brain. While this technology has enabled a much higher-resolution view of…

Neurons and Cognition · Quantitative Biology 2017-06-06 Yilin Song , Jonathan Viventi , Yao Wang

In Self-Supervised Learning (SSL), various pretext tasks are designed for learning feature representations through contrastive loss. However, previous studies have shown that this loss is less tolerant to semantically similar samples due to…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-07 Shanshan Wang , Soumya Tripathy , Annamaria Mesaros

This paper elucidates a model for acoustic single and multi-tone classification in resource constrained edge devices. The proposed model is of State-of-the-art Fast Accurate Stable Tiny Gated Recurrent Neural Network. This model has…

Machine Learning · Computer Science 2021-12-07 Raghav Rawat , Shreyash Gupta , Shreyas Mohapatra , Sujata Priyambada Mishra , Sreesankar Rajagopal

The Locally Competitive Algorithm (LCA) uses local competition between non-spiking leaky integrator neurons to infer sparse representations, allowing for potentially real-time execution on massively parallel neuromorphic architectures such…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Gavin Parpart , Carlos Gonzalez , Terrence C. Stewart , Edward Kim , Jocelyn Rego , Andrew O'Brien , Steven Nesbit , Garrett T. Kenyon , Yijing Watkins

Thanks to Deep Neural Networks (DNNs), the accuracy of Keyword Spotting (KWS) has made substantial progress. However, as KWS systems are usually implemented on edge devices, energy efficiency becomes a critical requirement besides…

Sound · Computer Science 2024-06-21 Shuai Wang , Dehao Zhang , Kexin Shi , Yuchen Wang , Wenjie Wei , Jibin Wu , Malu Zhang

In this paper, we discuss a different type of semi-supervised setting: a coarse level of labeling is available for all observations but the model has to learn a fine level of latent annotation for each one of them. Problems in this setting…

Machine Learning · Computer Science 2017-08-10 Ozsel Kilinc , Ismail Uysal

Clipping the gradient is a known approach to improving gradient descent, but requires hand selection of a clipping threshold hyperparameter. We present AutoClip, a simple method for automatically and adaptively choosing a gradient clipping…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-30 Prem Seetharaman , Gordon Wichern , Bryan Pardo , Jonathan Le Roux

Graph clustering discovers groups or communities within networks. Deep learning methods such as autoencoders (AE) extract effective clustering and downstream representations but cannot incorporate rich structural information. While Graph…

Machine Learning · Computer Science 2022-04-28 Gayan K. Kulatilleke , Marius Portmann , Shekhar S. Chandra