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Foundation models have transformed vision and language by learning general-purpose representations from large-scale unlabeled data, yet 3D medical imaging lacks analogous approaches. Existing self-supervised methods rely on low-level…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Yunhe Gao , Yabin Zhang , Chong Wang , Jiaming Liu , Maya Varma , Jean-Benoit Delbrouck , Akshay Chaudhari , Curtis Langlotz

Despite recent advancements in deep learning, its application in real-world medical settings, such as phonocardiogram (PCG) classification, remains limited. A significant barrier is the lack of high-quality annotated datasets, which hampers…

机器学习 · 计算机科学 2025-04-08 Aristotelis Ballas , Vasileios Papapanagiotou , Christos Diou

The synergistic interpretation of anatomical information from computed tomography (CT) and metabolic information from positron emission tomography (PET) is important to oncologic imaging. However, existing deep learning methods for PET/CT…

图像与视频处理 · 电气工程与系统科学 2026-05-22 Xiaofeng Liu , Qianru Zhang , Thibault Marin , Menghua Xia , Chi Liu , Georges El Fakhri , Jinsong Ouyang

Self-supervised learning (SSL) enables label efficient training for machine learning models. This is essential for domains such as medical imaging, where labels are costly and time-consuming to curate. However, the most effective supervised…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Cara Van Uden , Jeremy Irvin , Mars Huang , Nathan Dean , Jason Carr , Andrew Ng , Curtis Langlotz

Electrocardiogram (ECG) analysis is foundational for cardiovascular disease diagnosis, yet the performance of deep learning models is often constrained by limited access to annotated data. Self-supervised contrastive learning has emerged as…

This work asks: with abundant, unlabeled real faces, how to learn a robust and transferable facial representation that boosts various face security tasks with respect to generalization performance? We make the first attempt and propose a…

计算机视觉与模式识别 · 计算机科学 2025-10-10 Gaojian Wang , Feng Lin , Tong Wu , Zhenguang Liu , Zhongjie Ba , Kui Ren

In the domain of cardiovascular healthcare, the Electrocardiogram (ECG) serves as a critical, non-invasive diagnostic tool. Although recent strides in self-supervised learning (SSL) have been promising for ECG representation learning, these…

信号处理 · 电气工程与系统科学 2023-09-15 Che Liu , Zhongwei Wan , Sibo Cheng , Mi Zhang , Rossella Arcucci

Self-supervised learning has proven to be an effective way to learn representations in domains where annotated labels are scarce, such as medical imaging. A widely adopted framework for this purpose is contrastive learning and it has been…

计算机视觉与模式识别 · 计算机科学 2024-02-23 Hugo Figueiras , Helena Aidos , Nuno Cruz Garcia

Foundation models in healthcare have largely adopted self supervised pretraining objectives inherited from natural language processing and computer vision, emphasizing reconstruction and large scale representation learning prior to…

机器学习 · 计算机科学 2026-03-24 Yang Zhang , Li Fan , Samuel Lawrence , Shi Li

Semi-supervised learning (SSL) uses unlabeled data during training to learn better models. Previous studies on SSL for medical image segmentation focused mostly on improving model generalization to unseen data. In some applications,…

Electrocardiogram (ECG) delineation, the segmentation of meaningful waveform features, is critical for clinical diagnosis. Despite recent advances using deep learning, progress has been limited by the scarcity of publicly available…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Minje Park , Jeonghwa Lim , Taehyung Yu , Sunghoon Joo

Currently, under supervised learning, a model pretrained by a large-scale nature scene dataset and then fine-tuned on a few specific task labeling data is the paradigm that has dominated the knowledge transfer learning. It has reached the…

计算机视觉与模式识别 · 计算机科学 2022-09-15 Tong Zhang , Peng Gao , Hao Dong , Yin Zhuang , Guanqun Wang , Wei Zhang , He Chen

Clinical deployment of automated brain MRI analysis faces a fundamental challenge: clinical data is heterogeneous and noisy, and high-quality labels are prohibitively costly to obtain. Self-supervised learning (SSL) can address this by…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Asbjørn Munk , Stefano Cerri , Vardan Nersesjan , Christian Hedeager Krag , Jakob Ambsdorf , Pablo Rocamora García , Julia Machnio , Peirong Liu , Suhyun Ahn , Nasrin Akbari , Yasmina Al Khalil , Kimberly Amador , Sina Amirrajab , Tal Arbel , Meritxell Bach Cuadra , Ujjwal Baid , Bhakti Baheti , Jaume Banus , Kamil Barbierik , Christoph Brune , Yansong Bu , Baptiste Callard , Yuhan Chen , Cornelius Crijnen , Corentin Dancette , Peter Drotar , Prasad Dutande , Nils D. Forkert , Saurabh Garg , Jakub Gazda , Matej Gazda , Benoît Gérin , Partha Ghosh , Weikang Gong , Pedro M. Gordaliza , Sam Hashemi , Tobias Heimann , Fucang Jia , Jiexin Jiang , Emily Kaczmarek , Chris Kang , Seung Kwan Kang , Mohammad Khazaei , Julien Khlaut , Petros Koutsouvelis , Jae Sung Lee , Yuchong Li , Mengye Lyu , Mingchen Ma , Anant Madabhushi , Klaus H. Maier-Hein , Pierre Manceron , Andrés Martínez Mora , Moona Mazher , Felix Meister , Nataliia Molchanova , Steven A. Niederer , Leonard Nürnberg , Jinah Park , Abdul Qayyum , Jonas Richiardi , Antoine Saporta , Branislav Setlak , Ning Shen , Justin Szeto , Constantin Ulrich , Puru Vaish , Vibujithan Vigneshwaran , Leroy Volmer , Zihao Wang , Siqi Wei , Anthony Winder , Jelmer M. Wolterink , Maxence Wynen , Chang Yang , Si Young Yie , Mostafa Mehdipour Ghazi , Akshay Pai , Espen Jimenez Solem , Sebastian Nørgaard Llambias , Mikael Boesen , Michael Eriksen Benros , Juan Eugenio Iglesias , Mads Nielsen

Self-supervised learning is crucial for clinical imaging applications, given the lack of explicit labels in healthcare. However, conventional approaches that rely on precise vision-language alignment are not always feasible in complex…

While generative text-to-speech (TTS) models approach human-level quality, monolithic metrics fail to diagnose fine-grained acoustic artifacts or explain perceptual collapse. To address this, we propose TTS-PRISM, a multi-dimensional…

计算与语言 · 计算机科学 2026-04-27 Xi Wang , Jie Wang , Xingchen Song , Baijun Song , Jingran Xie , Jiahe Shao , Zijian Lin , Di Wu , Meng Meng , Jian Luan , Zhiyong Wu

Although deep learning has advanced automated electrocardiogram (ECG) diagnosis, prevalent supervised methods typically treat recordings as undifferentiated one-dimensional (1D) signals or two-dimensional (2D) images. This formulation…

机器学习 · 计算机科学 2026-01-13 Runze Ma , Caizhi Liao

Precise prognostic stratification of colorectal cancer (CRC) remains a major clinical challenge due to its high heterogeneity. The conventional TNM staging system is inadequate for personalized medicine. We aimed to develop and validate a…

机器学习 · 计算机科学 2025-11-20 Zisong Wang , Xuanyu Wang , Hang Chen , Haizhou Wang , Yuxin Chen , Yihang Xu , Yunhe Yuan , Lihuan Luo , Xitong Ling , Xiaoping Liu

The utilization of deep learning on electrocardiogram (ECG) analysis has brought the advanced accuracy and efficiency of cardiac healthcare diagnostics. By leveraging the capabilities of deep learning in semantic understanding, especially…

信号处理 · 电气工程与系统科学 2024-10-25 Han Yu , Peikun Guo , Akane Sano

The success of self-supervised learning (SSL) has mostly been attributed to the availability of unlabeled yet large-scale datasets. However, in a specialized domain such as medical imaging which is a lot different from natural images, the…

计算机视觉与模式识别 · 计算机科学 2023-06-30 Soumitri Chattopadhyay , Soham Ganguly , Sreejit Chaudhury , Sayan Nag , Samiran Chattopadhyay

In clinical settings, monitoring hemodynamics is crucial for managing patient prognosis, necessitating the integrated analysis of multiple physiological signals. While recent research has analyzed single signals such as electrocardiography…

信号处理 · 电气工程与系统科学 2025-09-12 Seong-A Park , Jong-Eui Chae , Sungdong Kim , Hyung-Chul Lee , Hyun-Lim Yang