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Text Recognition (TR) refers to the research area that focuses on retrieving textual information from images, a topic that has seen significant advancements in the last decade due to the use of Deep Neural Networks (DNN). However, these…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Carlos Penarrubia , Jose J. Valero-Mas , Jorge Calvo-Zaragoza

Self-supervised learning (SSL) is an emerging technique that has been successfully employed to train convolutional neural networks (CNNs) and graph neural networks (GNNs) for more transferable, generalizable, and robust representation…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Prarthana Bhattacharyya , Chengjie Huang , Krzysztof Czarnecki

Deep semi-supervised learning (SSL) has experienced significant attention in recent years, to leverage a huge amount of unlabeled data to improve the performance of deep learning with limited labeled data. Pseudo-labeling is a popular…

计算机视觉与模式识别 · 计算机科学 2021-08-16 Xiaopeng Yan , Riquan Chen , Litong Feng , Jingkang Yang , Huabin Zheng , Wayne Zhang

Functional MRI (fMRI) is commonly used for interpreting neural activities across the brain. Numerous accelerated fMRI techniques aim to provide improved spatiotemporal resolutions. Among these, simultaneous multi-slice (SMS) imaging has…

The Blood-Oxygen-Level-Dependent (BOLD) signal of resting-state fMRI (rs-fMRI) records the temporal dynamics of intrinsic functional networks in the brain. However, existing deep learning methods applied to rs-fMRI either neglect the…

机器学习 · 计算机科学 2021-06-30 Soham Gadgil , Qingyu Zhao , Adolf Pfefferbaum , Edith V. Sullivan , Ehsan Adeli , Kilian M. Pohl

A wide range of models have been proposed for Graph Generative Models, necessitating effective methods to evaluate their quality. So far, most techniques use either traditional metrics based on subgraph counting, or the representations of…

机器学习 · 统计学 2022-06-14 Hamed Shirzad , Kaveh Hassani , Danica J. Sutherland

Graph neural networks (GNN) rely on graph operations that include neural network training for various graph related tasks. Recently, several attempts have been made to apply the GNNs to functional magnetic resonance image (fMRI) data.…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Byung-Hoon Kim , Jong Chul Ye

Federated learning (FL) has emerged as a key paradigm for collaborative model training across multiple clients without sharing raw data, enabling privacy-preserving applications in areas such as radiology and pathology. However, works on…

机器学习 · 计算机科学 2025-10-31 Furkan Pala , Islem Rekik

Self-supervised Learning (SSL) has emerged as a powerful technique in pre-training deep learning models without relying on expensive annotated labels, instead leveraging embedded signals in unlabeled data. While SSL has shown remarkable…

机器学习 · 计算机科学 2024-06-05 Mahdi Naseri , Mahdi Biparva

Attempting to fully exploit the rich information of topological structure and node features for attributed graph, we introduce self-supervised learning mechanism to graph representation learning and propose a novel Self-supervised Consensus…

社会与信息网络 · 计算机科学 2021-08-12 Changshu Liu , Liangjian Wen , Zhao Kang , Guangchun Luo , Ling Tian

Aligning physiological parameter labels with large-scale photoplethysmographic (PPG) data for deep learning is challenging and resource-intensive. While self-supervised representation learning (SSRL) can handle limited annotated data, the…

信号处理 · 电气工程与系统科学 2026-04-28 Zexing Zhang , Huimin Lu , Songzhe Ma , Jianzhong Peng , Chenglin Lin , Niya Li , Bingwang Dong

Graphs are crucial for modeling relational and biological data. As datasets grow larger in real-world scenarios, the risk of exposing sensitive information increases, making privacy-preserving training methods like federated learning (FL)…

机器学习 · 计算机科学 2025-01-24 Emir Ceyani , Han Xie , Baturalp Buyukates , Carl Yang , Salman Avestimehr

Graph Neural Networks (GNNs) have emerged as powerful tools for supervised machine learning over graph-structured data, while sampling-based node representation learning is widely utilized in unsupervised learning. However, scalability…

机器学习 · 计算机科学 2024-07-23 Vipul Gupta , Xin Chen , Ruoyun Huang , Fanlong Meng , Jianjun Chen , Yujun Yan

We present an empirical evaluation of fMRI data augmentation via synthesis. For synthesis we use generative mod-els trained on real neuroimaging data to produce novel task-dependent functional brain images. Analyzed generative mod-els…

计算机视觉与模式识别 · 计算机科学 2019-07-16 Peiye Zhuang , Alexander G. Schwing , Sanmi Koyejo

Accurate segmentation of ultrasound (US) images of the cervical muscles is crucial for precision healthcare. The demand for automatic computer-assisted methods is high. However, the scarcity of labeled data hinders the development of these…

图像与视频处理 · 电气工程与系统科学 2025-03-24 Fangyijie Wang , Kathleen M. Curran , Guénolé Silvestre

Self-supervised learning (SSL) has shown great promise in graph representation learning. However, most existing graph SSL methods are developed and evaluated under a single-dataset setting, leaving their cross-dataset transferability…

机器学习 · 计算机科学 2025-09-10 Yu Song , Zhigang Hua , Yan Xie , Jingzhe Liu , Bo Long , Hui Liu

With the progress of sensor technology in wearables, the collection and analysis of PPG signals are gaining more interest. Using Machine Learning, the cardiac rhythm corresponding to PPG signals can be used to predict different tasks such…

信号处理 · 电气工程与系统科学 2022-12-20 Ramin Ghorbani , Marcel J. T. Reinders , David M. J. Tax

Vast amount of data generated from networks of sensors, wearables, and the Internet of Things (IoT) devices underscores the need for advanced modeling techniques that leverage the spatio-temporal structure of decentralized data due to the…

机器学习 · 计算机科学 2021-06-10 Chuizheng Meng , Sirisha Rambhatla , Yan Liu

Self-Supervised Learning (SSL) has shown significant potential and has garnered increasing interest in graph learning. However, particularly for generative SSL methods, its potential in Heterogeneous Graph Learning (HGL) remains relatively…

机器学习 · 计算机科学 2024-04-23 Yulan Hu , Zhirui Yang , Sheng Ouyang , Yong Liu

Graph convolutional networks (GCNs) allow us to learn topologically-aware node embeddings, which can be useful for classification or link prediction. However, they are unable to capture long-range dependencies between nodes without adding…

机器学习 · 计算机科学 2023-08-17 Reza Namazi , Elahe Ghalebi , Sinead Williamson , Hamidreza Mahyar