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Accurate prediction of cerebral blood flow is essential for the diagnosis and treatment of cerebrovascular diseases. Traditional computational methods, however, often incur significant computational costs, limiting their practicality in…

Image and Video Processing · Electrical Eng. & Systems 2024-11-28 Seungyeon Kim , Wheesung Lee , Sung-Ho Ahn , Do-Eun Lee , Tae-Rin Lee

With the proliferation of Electronic Health Records (EHRs), a critical challenge in building predictive models is determining the optimal historical data time window to maximize accuracy. This study investigates the impact of various…

Machine Learning · Computer Science 2026-05-04 Ramin Mohammadi , Vahab vahdat , Sarthak Jain , Amir T. Namin , Ramya Palacholla , Sagar Kamarthi

This paper proposes a temporal graph neural network model for forecasting of graph-structured irregularly observed time series. Our TGNN4I model is designed to handle both irregular time steps and partial observations of the graph. This is…

Machine Learning · Statistics 2023-02-17 Joel Oskarsson , Per Sidén , Fredrik Lindsten

Recommender systems, crucial for user engagement on platforms like e-commerce and streaming services, often lag behind users' evolving preferences due to static data reliance. After Temporal Graph Networks (TGNs) were proposed, various…

Artificial Intelligence · Computer Science 2024-12-24 Yejin Kim , Youngbin Lee , Vincent Yuan , Annika Lee , Yongjae Lee

Recent 2D-to-3D human pose estimation works tend to utilize the graph structure formed by the topology of the human skeleton. However, we argue that this skeletal topology is too sparse to reflect the body structure and suffer from serious…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Han Li , Bowen Shi , Wenrui Dai , Yabo Chen , Botao Wang , Yu Sun , Min Guo , Chenlin Li , Junni Zou , Hongkai Xiong

Graph convolutional networks (GCNs) have been very successful in skeleton-based human action recognition where the sequence of skeletons is modeled as a graph. However, most of the GCN-based methods in this area train a deep feed-forward…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Negar Heidari , Alexandros Iosifidis

Alignment of the bones in standing position provides useful information in surgical planning. In total hip arthroplasty (THA), pelvic sagittal inclination (PSI) angle in the standing position is an important factor in planning of cup…

Image and Video Processing · Electrical Eng. & Systems 2019-11-06 Ata Jodeiri , Yoshito Otake , Reza A. Zoroofi , Yuta Hiasa , Masaki Takao , Keisuke Uemura , Nobuhiko Sugano , Yoshinobu Sato

Despite the recent progress, 3D multi-person pose estimation from monocular videos is still challenging due to the commonly encountered problem of missing information caused by occlusion, partially out-of-frame target persons, and…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Yu Cheng , Bo Wang , Bo Yang , Robby T. Tan

This paper presents a novel approach to credit risk prediction by employing Graph Convolutional Neural Networks (GCNNs) to assess the creditworthiness of borrowers. Leveraging the power of big data and artificial intelligence, the proposed…

Machine Learning · Computer Science 2024-10-08 Mengfang Sun , Wenying Sun , Ying Sun , Shaobo Liu , Mohan Jiang , Zhen Xu

Accurate prediction of future blood glucose (BG) levels can effectively improve BG management for people living with diabetes, thereby reducing complications and improving quality of life. The state of the art of BG prediction has been…

Machine Learning · Computer Science 2024-02-27 Chengzhe Piao , Taiyu Zhu , Stephanie E Baldeweg , Paul Taylor , Pantelis Georgiou , Jiahao Sun , Jun Wang , Kezhi Li

Personalized ubiquitous healthcare solutions require energy-efficient wearable platforms that provide an accurate classification of bio-signals while consuming low average power for long-term battery-operated use. Single lead…

Machine Learning · Computer Science 2021-06-15 Thorir Mar Ingolfsson , Xiaying Wang , Michael Hersche , Alessio Burrello , Lukas Cavigelli , Luca Benini

Data-driven approaches for depression diagnosis have emerged as a significant research focus in neuromedicine, driven by the development of relevant datasets. Recently, graph neural network (GNN)-based models have gained widespread adoption…

Machine Learning · Computer Science 2025-05-01 Chengkai Yang , Xingping Dong , Xiaofen Zong

Graph convolutional networks (GCNs) based methods have achieved advanced performance on skeleton-based action recognition task. However, the skeleton graph cannot fully represent the motion information contained in skeleton data. In…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Jinfeng Wei , Yunxin Wang , Mengli Guo , Pei Lv , Xiaoshan Yang , Mingliang Xu

Graphs have become a crucial way to represent large, complex and often temporal datasets across a wide range of scientific disciplines. However, when graphs are used as input to machine learning models, this rich temporal information is…

Recognition of human actions and associated interactions with objects and the environment is an important problem in computer vision due to its potential applications in a variety of domains. The most versatile methods can generalize to…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Behnoosh Parsa , Athma Narayanan , Behzad Dariush

Human motion prediction is a fundamental part of many human-robot applications. Despite the recent progress in human motion prediction, most studies simplify the problem by predicting the human motion relative to a fixed joint and/or only…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Payam Nikdel , Mohammad Mahdavian , Mo Chen

Session-based recommendations which predict the next action by understanding a user's interaction behavior with items within a relatively short ongoing session have recently gained increasing popularity. Previous research has focused on…

Information Retrieval · Computer Science 2023-10-23 Eunkyu Oh , Taehun Kim

Epidemic prediction is a fundamental task for epidemic control and prevention. Many mechanistic models and deep learning models are built for this task. However, most mechanistic models have difficulty estimating the time/region-varying…

Computers and Society · Computer Science 2023-06-28 Qi Cao , Renhe Jiang , Chuang Yang , Zipei Fan , Xuan Song , Ryosuke Shibasaki

Modelling epidemic events such as COVID-19 cases in both time and space dimensions is an important but challenging task. Building on in-depth review and assessment of two popular graph neural network (GNN)-based regional epidemic…

Computation · Statistics 2025-11-20 Xiangxin Kong , Hang Wang , Yutong Li , Yanghao Chen , Zudi Lu

Leveraging knowledge from electronic health records (EHRs) to predict a patient's condition is essential to the effective delivery of appropriate care. Clinical notes of patient EHRs contain valuable information from healthcare…

Computation and Language · Computer Science 2023-05-18 Nayeon Kim , Yinhua Piao , Sun Kim