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An important goal of medical imaging is to be able to precisely detect patterns of disease specific to individual scans; however, this is challenged in brain imaging by the degree of heterogeneity of shape and appearance. Traditional…

Personalized federated learning (pFL) aims to adapt models to client specific data distributions, yet it often fails to reliably preserve personalized information. Local training is hindered by high variance gradients induced by limited and…

Machine Learning · Computer Science 2026-05-05 Dongwon Kim , Gyuejeong Lee

Early detection of cognitive disorders such as Alzheimer's disease is critical for enabling timely clinical intervention and improving patient outcomes. In this work, we introduce CogniAlign, a multimodal architecture for Alzheimer's…

Machine Learning · Computer Science 2025-10-27 David Ortiz-Perez , Manuel Benavent-Lledo , Javier Rodriguez-Juan , Jose Garcia-Rodriguez , David Tomás

Existing transfer fault diagnosis methods typically assume either clean data or sufficient domain similarity, which limits their effectiveness in industrial environments where severe noise interference and domain shifts coexist. To address…

Artificial Intelligence · Computer Science 2025-10-21 Junyu Ren , Wensheng Gan , Guangyu Zhang , Wei Zhong , Philip S. Yu

Federated learning (FL) under data heterogeneity remains challenging: existing methods either ignore client differences (FedAvg), require costly cluster discovery (IFCA), or maintain per-client models (Ditto). All degrade when data is…

Machine Learning · Computer Science 2026-05-06 Rickard Brännvall

Traditional hearing aids often rely on static fittings that fail to adapt to their dynamic acoustic environments. We propose CAFA, a Context-Adaptive Fitting Advisor that provides personalized, real-time hearing aid adjustments through a…

Human-Computer Interaction · Computer Science 2025-09-09 Yingke Ding , Zeyu Wang , Xiyuxing Zhang , Hongbin Chen , Zhenan Xu

Due to the complexity of cancer, clustering algorithms have been used to disentangle the observed heterogeneity and identify cancer subtypes that can be treated specifically. While kernel based clustering approaches allow the use of more…

Machine Learning · Statistics 2018-11-21 Nora K. Speicher , Nico Pfeifer

Multimodal respiratory sound classification offers promise for early pulmonary disease detection by integrating bioacoustic signals with patient metadata. Nevertheless, current approaches remain vulnerable to spurious correlations from…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-28 Heejoon Koo , Miika Toikkanen , Yoon Tae Kim , Soo Yong Kim , June-Woo Kim

In this study, a machine learning model was developed for automatically detecting respiratory system sounds such as sneezing and coughing in disease diagnosis. The automatic model and approach development of breath sounds, which carry…

Sound · Computer Science 2021-11-30 Negin Melek

Automatic pronunciation assessment (APA) manages to quantify the pronunciation proficiency of a second language (L2) learner in a language. Prevailing approaches to APA normally leverage neural models trained with a regression loss…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-05 Bi-Cheng Yan , Hsin-Wei Wang , Yi-Cheng Wang , Jiun-Ting Li , Chi-Han Lin , Berlin Chen

Photoacoustic imaging (PAI) is a promising medical imaging modality providing the spatial resolution of ultrasound (US) imaging and the contrast of pure optical imaging. For linear-array PAI, a beamformer has to be used as the…

Medical Physics · Physics 2018-02-15 Moein Mozaffarzadeh , Yan Yan , Mohammad Mehrmohammadi , Bahador Makkiabadi

Transformer-based foundation models (FMs) have recently demonstrated remarkable performance in medical image segmentation. However, scaling these models is challenging due to the limited size of medical image datasets within isolated…

Image and Video Processing · Electrical Eng. & Systems 2025-03-20 Yumin Zhang , Yan Gao , Haoran Duan , Hanqing Guo , Tejal Shah , Rajiv Ranjan , Bo Wei

This paper presents a robust deep learning framework developed to detect respiratory diseases from recordings of respiratory sounds. The complete detection process firstly involves front end feature extraction where recordings are…

Sound · Computer Science 2020-02-11 Lam Pham , Ian McLoughlin , Huy Phan , Minh Tran , Truc Nguyen , Ramaswamy Palaniappan

In this paper, we use pre-trained ResNet models as backbone architectures for classification of adventitious lung sounds and respiratory diseases. The knowledge of the pre-trained model is transferred by using vanilla fine-tuning,…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-05 Truc Nguyen , Franz Pernkopf

Federated learning (FL) enables collaborative model training across institutions without sharing sensitive data, making it an attractive solution for medical imaging tasks. However, traditional FL methods, such as Federated Averaging…

Regression-based methods have shown high efficiency and effectiveness for multi-view human mesh recovery. The key components of a typical regressor lie in the feature extraction of input views and the fusion of multi-view features. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Kai Jia , Hongwen Zhang , Liang An , Yebin Liu

The precipitous rise and adoption of Large Language Models (LLMs) have shattered expectations with the fastest adoption rate of any consumer-facing technology in history. Healthcare, a field that traditionally uses NLP techniques, was bound…

Computation and Language · Computer Science 2023-10-10 Surjya Ray , Pratik Mehta , Hongen Zhang , Ada Chaman , Jian Wang , Chung-Jen Ho , Michael Chiou , Tashfeen Suleman

Computing the agreement between two continuous sequences is of great interest in statistics when comparing two instruments or one instrument with a gold standard. The probability of agreement (PA) quantifies the similarity between two…

Methodology · Statistics 2025-05-20 Jonathan Acosta , Ronny Vallejos , Aaron M. Ellison , Felipe Osorio , Mario de Castro

Cough audio signal classification is a potentially useful tool in screening for respiratory disorders, such as COVID-19. Since it is dangerous to collect data from patients with such contagious diseases, many research teams have turned to…

Sound · Computer Science 2023-08-22 Lara Orlandic , Tomas Teijeiro , David Atienza

Principal component analysis (PCA) is a key tool in the field of data dimensionality reduction. Various methods have been proposed to extend PCA to the union of subspace (UoS) setting for clustering data that comes from multiple subspaces…

Machine Learning · Statistics 2026-01-21 Javier Salazar Cavazos , Jeffrey A Fessler , Laura Balzano