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Stochastic Gradient Descent (SGD) is the key learning algorithm for many machine learning tasks. Because of its computational costs, there is a growing interest in accelerating SGD on HPC resources like GPU clusters. However, the…

机器学习 · 计算机科学 2021-01-20 Peng Jiang , Gagan Agrawal

Anomaly detection in multivariate time series (MTS) is hindered by dynamic inter-variable dependencies and feature entanglement under spectral noise, and in practice, is further complicated by the absence of anomaly labels. Existing…

机器学习 · 计算机科学 2026-05-25 Yunhua Pei , Zixing Song , Jin Zheng , John Cartlidge

Biosensor data has the potential ability to improve disease control and detection. However, the analysis of these data under free-living conditions is not feasible with current statistical techniques. To address this challenge, we introduce…

应用统计 · 统计学 2021-03-30 Marcos Matabuena , Alexander Petersen , Juan C. Vidal , Francisco Gude

Diabetes, resulting from inadequate insulin production or utilization, causes extensive harm to the body. Existing diagnostic methods are often invasive and come with drawbacks, such as cost constraints. Although there are machine learning…

机器学习 · 计算机科学 2024-09-24 Zeyu Zhang , Khandaker Asif Ahmed , Md Rakibul Hasan , Tom Gedeon , Md Zakir Hossain

In this paper, we propose difficulty-guided sampling (DGS) to bridge the target gap between the distillation objective and the downstream task, therefore improving the performance of dataset distillation. Deep neural networks achieve…

计算机视觉与模式识别 · 计算机科学 2026-01-16 Mingzhuo Li , Guang Li , Linfeng Ye , Jiafeng Mao , Takahiro Ogawa , Konstantinos N. Plataniotis , Miki Haseyama

Pseudo Labeling is a technique used to improve the performance of semi-supervised Graph Neural Networks (GNNs) by generating additional pseudo-labels based on confident predictions. However, the quality of generated pseudo-labels has been a…

机器学习 · 计算机科学 2023-12-20 Weigang Lu , Ziyu Guan , Wei Zhao , Yaming Yang , Yuanhai Lv , Lining Xing , Baosheng Yu , Dacheng Tao

Recently, the teacher-student knowledge distillation framework has demonstrated its potential in training Graph Neural Networks (GNNs). However, due to the difficulty of training over-parameterized GNN models, one may not easily obtain a…

机器学习 · 计算机科学 2021-05-03 Yuzhao Chen , Yatao Bian , Xi Xiao , Yu Rong , Tingyang Xu , Junzhou Huang

Graph-based Cognitive Diagnosis (CD) has attracted much research interest due to its strong ability on inferring students' proficiency levels on knowledge concepts. While graph-based CD models have demonstrated remarkable performance, we…

计算机与社会 · 计算机科学 2025-01-23 Pengyang Shao , Yonghui Yang , Chen Gao , Lei Chen , Kun Zhang , Chenyi Zhuang , Le Wu , Yong Li , Meng Wang

Leveraging domain knowledge including fingerprints and functional groups in molecular representation learning is crucial for chemical property prediction and drug discovery. When modeling the relation between graph structure and molecular…

机器学习 · 计算机科学 2021-03-25 Yin Fang , Haihong Yang , Xiang Zhuang , Xin Shao , Xiaohui Fan , Huajun Chen

Graph Anomaly Detection (GAD) is critical in security-sensitive domains, yet faces reliability challenges: miscalibrated confidence estimation (underconfidence in normal nodes, overconfidence in anomalies), adversarial vulnerability of…

机器学习 · 计算机科学 2025-04-04 Songran Bai , Xiaolong Zheng , Daniel Dajun Zeng

Deep learning is typically performed by learning a neural network solely from data in the form of input-output pairs ignoring available domain knowledge. In this work, the Constraint Guided Gradient Descent (CGGD) framework is proposed that…

人工智能 · 计算机科学 2022-06-15 Quinten Van Baelen , Peter Karsmakers

Despite recent advancements in Self-Supervised Learning (SSL) for time series analysis, a noticeable gap persists between the anticipated achievements and actual performance. While these methods have demonstrated formidable generalization…

机器学习 · 计算机科学 2024-07-25 Adrian Atienza , Jakob Bardram , Sadasivan Puthusserypady

While self-supervised representation learning (SSL) has received widespread attention from the community, recent research argue that its performance will suffer a cliff fall when the model size decreases. The current method mainly relies on…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Yuting Gao , Jia-Xin Zhuang , Shaohui Lin , Hao Cheng , Xing Sun , Ke Li , Chunhua Shen

Timestep distillation is an effective approach for improving the generation efficiency of diffusion models. The Consistency Model (CM), as a trajectory-based framework, demonstrates significant potential due to its strong theoretical…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Bao Tang , Shuai Zhang , Yueting Zhu , Jijun Xiang , Xin Yang , Li Yu , Wenyu Liu , Xinggang Wang

Video-based remote physiological measurement utilizes facial videos to measure the blood volume change signal, which is also called remote photoplethysmography (rPPG). Supervised methods for rPPG measurements have been shown to achieve good…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Zhaodong Sun , Xiaobai Li

This paper proposes a novel method for depth completion, which leverages multi-view improved monitored distillation to generate more precise depth maps. Our approach builds upon the state-of-the-art ensemble distillation method, in which we…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Jia-Wei Guo , Hung-Chyun Chou , Sen-Hua Zhu , Chang-Zheng Zhang , Ming Ouyang , Ning Ding

Feature distillation is an effective way to improve the performance for a smaller student model, which has fewer parameters and lower computation cost compared to the larger teacher model. Unfortunately, there is a common obstacle - the gap…

计算机视觉与模式识别 · 计算机科学 2020-10-14 Kaiyu Yue , Jiangfan Deng , Feng Zhou

Large graph datasets make training graph neural networks (GNNs) computationally costly. Graph condensation methods address this by generating small synthetic graphs that approximate the original data. However, existing approaches rely on…

机器学习 · 计算机科学 2026-01-16 Jay Nandy , Arnab Kumar Mondal , Anuj Rathore , Mahesh Chandran

Session-based recommendation (SBR) systems aim to utilize the user's short-term behavior sequence to predict the next item without the detailed user profile. Most recent works try to model the user preference by treating the sessions as…

信息检索 · 计算机科学 2024-02-20 Zhongwei Wan , Xin Liu , Benyou Wang , Jiezhong Qiu , Boyu Li , Ting Guo , Guangyong Chen , Yang Wang

Continuous glucose monitoring (CGM) is a minimally invasive technology that measures blood glucose every few minutes for weeks or months at a time. CGM data are often collected in the free-living environment and is strongly related to…

统计方法学 · 统计学 2025-09-04 Marcos Matabuena , Ciprian M. Crainiceanu