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Automatic Modulation Recognition (AMR) is an essential part of Intelligent Transportation System (ITS) dynamic spectrum allocation. However, current deep learning-based AMR (DL-AMR) methods are challenged to extract discriminative and…

信号处理 · 电气工程与系统科学 2025-08-19 Mingyuan Shao , Zhengqiu Fu , Dingzhao Li , Fuqing Zhang , Yilin Cai , Shaohua Hong , Lin Cao , Yuan Peng , Jie Qi

The classification of electrocardiogram (ECG) plays a crucial role in the development of an automatic cardiovascular diagnostic system. However, considerable variances in ECG signals between individuals is a significant challenge. Changes…

信号处理 · 电气工程与系统科学 2023-06-08 Md Niaz Imtiaz , Naimul Khan

In recent years, research has highlighted the association between increased adipose tissue surrounding the human heart and elevated susceptibility to cardiovascular diseases such as atrial fibrillation and coronary heart disease. However,…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Guilherme Santos da Silva , Dalcimar Casanova , Jefferson Tales Oliva , Erick Oliveira Rodrigues

Federated learning (FL) algorithms usually sample a fraction of clients in each round (partial participation) when the number of participants is large and the server's communication bandwidth is limited. Recent works on the convergence…

分布式、并行与集群计算 · 计算机科学 2024-04-23 Bing Luo , Wenli Xiao , Shiqiang Wang , Jianwei Huang , Leandros Tassiulas

Spectrogram is commonly used as the input feature of deep neural networks to learn the high(er)-level time-frequency pattern of speech signal for speech emotion recognition (SER). \textcolor{black}{Generally, different emotions correspond…

声音 · 计算机科学 2022-10-25 Cheng Lu , Wenming Zheng , Hailun Lian , Yuan Zong , Chuangao Tang , Sunan Li , Yan Zhao

The proposed system consists of a two-stage cascade. The first stage performs a rough heartbeat detection while the second stage refines the previous one, improving the temporal localization and also classifying the heartbeats into types S1…

音频与语音处理 · 电气工程与系统科学 2024-11-06 J. Torre-Cruz , D. Martinez-Munoz , N. Ruiz-Reyes , A. J. Munoz-Montoro , M. Puentes-Chiachio , F. J. Canadas-Quesada

Time series anomaly detection is a challenging problem due to the complex temporal dependencies and the limited label data. Although some algorithms including both traditional and deep models have been proposed, most of them mainly focus on…

机器学习 · 计算机科学 2023-03-28 Chaoli Zhang , Tian Zhou , Qingsong Wen , Liang Sun

Deep models often suffer from severe performance drop due to the appearance shift in the real clinical setting. Most of the existing learning-based methods rely on images from multiple sites/vendors or even corresponding labels. However,…

图像与视频处理 · 电气工程与系统科学 2020-09-28 Xiaoqiong Huang , Zejian Chen , Xin Yang , Zhendong Liu , Yuxin Zou , Mingyuan Luo , Wufeng Xue , Dong Ni

Fault diagnosis in multimode processes plays a critical role in ensuring the safe operation of industrial systems across multiple modes. It faces a great challenge yet to be addressed - that is, the significant distributional differences…

机器学习 · 计算机科学 2025-07-24 Guangqiang Li , M. Amine Atoui , Xiangshun Li

Significant advances have been made towards building accurate automatic segmentation systems for a variety of biomedical applications using machine learning. However, the performance of these systems often degrades when they are applied on…

Methods that are resilient to artifacts in the cardiac magnetic resonance imaging (MRI) while performing ventricle segmentation, are crucial for ensuring quality in structural and functional analysis of those tissues. While there has been…

图像与视频处理 · 电气工程与系统科学 2022-09-21 Carles Garcia-Cabrera , Eric Arazo , Kathleen M. Curran , Noel E. O'Connor , Kevin McGuinness

Accurate classification of respiratory sounds requires deep learning models that effectively capture fine-grained acoustic features and long-range temporal dependencies. Convolutional Neural Networks (CNNs) are well-suited for extracting…

声音 · 计算机科学 2025-07-29 Nouhaila Fraihi , Ouassim Karrakchou , Mounir Ghogho

Precise segmentation of retinal arteries and veins carries the diagnosis of systemic cardiovascular conditions. However, standard convolutional architectures often yield topologically disjointed segmentations, characterized by gaps and…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Iftekhar Ahmed , Shakib Absar , Aftar Ahmad Sami , Shadman Sakib , Debojyoti Biswas , Seraj Al Mahmud Mostafa

The segmentation and classification of cardiac magnetic resonance imaging are critical for diagnosing heart conditions, yet current approaches face challenges in accuracy and generalizability. In this study, we aim to further advance the…

图像与视频处理 · 电气工程与系统科学 2024-12-13 Vitalii Slobodzian , Pavlo Radiuk , Oleksander Barmak , Iurii Krak

Over the past few decades, extensive research has been devoted to the design of artificial reverberation algorithms aimed at emulating the room acoustics of physical environments. Despite significant advancements, automatic parameter tuning…

音频与语音处理 · 电气工程与系统科学 2024-10-10 Alessandro Ilic Mezza , Riccardo Giampiccolo , Enzo De Sena , Alberto Bernardini

Test-time adaptation (TTA) has recently emerged as a promising approach for improving time series forecasting (TSF) under distribution shift. Existing TSF-TTA methods differ in how they utilize revealed targets, yet the resulting adaptation…

机器学习 · 计算机科学 2026-05-19 Haochun Wang , Ruichen Xu , Georgios Kementzidis , Karen Cho , Sebastian Ramirez Villarreal , Yuefan Deng

Objectives: Atrial fibrillation (AF) is a common heart rhythm disorder associated with deadly and debilitating consequences including heart failure, stroke, poor mental health, reduced quality of life and death. Having an automatic system…

信号处理 · 电气工程与系统科学 2018-01-31 Philip Warrick , Masun Nabhan Homsi

This study proposes a radar-based heartbeat measurement method that uses the absolute value of the second derivative of the complex radar signal, rather than its phase, and the variational mode extraction method, which is a type of mode…

信号处理 · 电气工程与系统科学 2024-07-11 Itsuki Iwata , Kimitaka Sumi , Yuji Tanaka , Takuya Sakamoto

The intricate nature of time series data analysis benefits greatly from the distinct advantages offered by time and frequency domain representations. While the time domain is superior in representing local dependencies, particularly in…

机器学习 · 计算机科学 2024-04-09 Hengyu Ye , Jiadong Chen , Shijin Gong , Fuxin Jiang , Tieying Zhang , Jianjun Chen , Xiaofeng Gao

Cardiovascular diseases represent a leading cause of mortality worldwide, necessitating accurate and early diagnosis for improved patient outcomes. Current diagnostic approaches for cardiac abnormalities often present challenges in clinical…

信号处理 · 电气工程与系统科学 2025-11-11 Seyed Amir Latifi , Hassan Ghassemian , Maryam Imani