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Federated Learning (FL) is popular for its privacy-preserving and collaborative learning capabilities. Recently, personalized FL (pFL) has received attention for its ability to address statistical heterogeneity and achieve personalization…

机器学习 · 计算机科学 2023-10-17 Jianqing Zhang , Yang Hua , Hao Wang , Tao Song , Zhengui Xue , Ruhui Ma , Jian Cao , Haibing Guan

Accurate classification of articulatory-phonological features plays a vital role in understanding human speech production and developing robust speech technologies, particularly in clinical contexts where targeted phonemic analysis and…

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

Audio is a fundamental modality for analyzing speech, music, and environmental sounds. Although pretrained audio models have significantly advanced audio understanding, they remain fragile in real-world settings where data distributions…

声音 · 计算机科学 2026-02-04 Chang Li , Kanglei Zhou , Liyuan Wang

Ultrasound is fast becoming an inevitable diagnostic tool for regular and continuous monitoring of the lung with the recent outbreak of COVID-19. In this work, a novel approach is presented to extract acoustic propagation-based features to…

图像与视频处理 · 电气工程与系统科学 2021-06-15 Mahesh Raveendranatha Panicker , Yale Tung Chen , Gayathri M , Madhavanunni A N , Kiran Vishnu Narayan , C Kesavadas , A P Vinod

Deep learning has achieved remarkable accuracy in medical image segmentation, particularly for larger structures with well-defined boundaries. However, its effectiveness can be challenged by factors such as irregular object shapes and…

图像与视频处理 · 电气工程与系统科学 2025-10-27 Md Rakibul Islam , Riad Hassan , Abdullah Nazib , Kien Nguyen , Clinton Fookes , Md Zahidul Islam

One-stage detector basically formulates object detection as dense classification and localization. The classification is usually optimized by Focal Loss and the box location is commonly learned under Dirac delta distribution. A recent trend…

计算机视觉与模式识别 · 计算机科学 2020-06-09 Xiang Li , Wenhai Wang , Lijun Wu , Shuo Chen , Xiaolin Hu , Jun Li , Jinhui Tang , Jian Yang

Learning medical visual representations from image-report pairs through joint learning has garnered increasing research attention due to its potential to alleviate the data scarcity problem in the medical domain. The primary challenges stem…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Jun Wang , Lixing Zhu , Xiaohan Yu , Abhir Bhalerao , Yulan He

Recognizing patterns in lung sounds is crucial to detecting and monitoring respiratory diseases. Current techniques for analyzing respiratory sounds demand domain experts and are subject to interpretation. Hence an accurate and automatic…

音频与语音处理 · 电气工程与系统科学 2022-08-31 Zizhao Chen , Hongliang Wang , Chia-Hui Yeh , Xilin Liu

In clinical practice of echocardiography examinations, multiple planes containing the heart structures of different view are usually required in screening, diagnosis and treatment of cardiac disease. AI models for echocardiography have to…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Jiongtong Hu , Wei Zhuo , Jun Cheng , Yingying Liu , Wufeng Xue , Dong Ni

Aphasia is a language disorder that affects the speaking ability of millions of patients. This paper presents a new benchmark for Aphasia speech recognition and detection tasks using state-of-the-art speech recognition techniques with the…

音频与语音处理 · 电气工程与系统科学 2023-05-24 Jiyang Tang , William Chen , Xuankai Chang , Shinji Watanabe , Brian MacWhinney

The 2D object detection in clean images has been a well studied topic, but its vulnerability against adversarial attack is still worrying. Existing work has improved robustness of object detectors by adversarial training, at the same time,…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Weipeng Xu , Hongcheng Huang , Shaoyou Pan

Multi-rater medical image segmentation captures the inherent ambiguity of clinical interpretation, where diagnostic boundaries vary across experts and imaging devices. Existing approaches often reduce this diversity to consensus labels or…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Sanaz Karimijafarbigloo , Armin Khosravi , Alireza Kheyrkhah , Reza Azad , Mauricio Reyes , Dorit Merhof

Accurate classification of lung diseases from chest CT scans plays an important role in computer-aided diagnosis systems. However, medical imaging datasets often suffer from severe class imbalance, which may significantly degrade the…

图像与视频处理 · 电气工程与系统科学 2026-03-18 Kejin Lu , Jianfa Bai , Qingqiu Li , Runtian Yuan , Jilan Xu , Junlin Hou , Yuejie Zhang , Rui Feng

In medical imaging, inter-observer variability among radiologists often introduces label uncertainty, particularly in modalities where visual interpretation is subjective. Lung ultrasound (LUS) is a prime example-it frequently presents a…

In this work, we propose an ensemble of classifiers to distinguish between various degrees of abnormalities of the heart using Phonocardiogram (PCG) signals acquired using digital stethoscopes in a clinical setting, for the INTERSPEECH 2018…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Ahmed Imtiaz Humayun , Md. Tauhiduzzaman Khan , Shabnam Ghaffarzadegan , Zhe Feng , Taufiq Hasan

Principal component analysis (PCA) is a key tool in the field of data dimensionality reduction that is useful for various data science problems. However, many applications involve heterogeneous data that varies in quality due to noise…

机器学习 · 统计学 2023-11-14 Javier Salazar Cavazos , Jeffrey A. Fessler , Laura Balzano

Auscultation provides a rich diversity of information to diagnose cardiovascular and respiratory diseases. However, sound auscultation is challenging due to noise. In this study, a modified version of the affine non-negative matrix…

信号处理 · 电气工程与系统科学 2026-05-27 Yasaman Torabi , Shahram Shirani , James P. Reilly

Deep learning models for radiology interpretation increasingly rely on multi-institutional data, yet privacy regulations and distribution shift across hospitals limit central data pooling. Federated learning (FL) allows hospitals to…

机器学习 · 计算机科学 2026-01-13 Anay Sinhal , Arpana Sinhal , Amit Sinhal

Deep learning techniques have shown promising results in the automatic classification of respiratory sounds. However, accurately distinguishing these sounds in real-world noisy conditions remains challenging for clinical deployment. In…

音频与语音处理 · 电气工程与系统科学 2025-05-01 Jing-Tong Tzeng , Jeng-Lin Li , Huan-Yu Chen , Chun-Hsiang Huang , Chi-Hsin Chen , Cheng-Yi Fan , Edward Pei-Chuan Huang , Chi-Chun Lee