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Surgical workflow recognition is vital for automating tasks, supporting decision-making, and training novice surgeons, ultimately improving patient safety and standardizing procedures. However, data corruption can lead to performance…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Long Bai , Boyi Ma , Ruohan Wang , Guankun Wang , Beilei Cui , Zhongliang Jiang , Mobarakol Islam , Zhe Min , Jiewen Lai , Nassir Navab , Hongliang Ren

Graph anomaly detection (GAD) is a critical task in graph machine learning, with the primary objective of identifying anomalous nodes that deviate significantly from the majority. This task is widely applied in various real-world scenarios,…

Machine Learning · Computer Science 2025-07-03 Xiang Li , Jianpeng Qi , Zhongying Zhao , Guanjie Zheng , Lei Cao , Junyu Dong , Yanwei Yu

Change detection has essential significance for the region's development, in which pseudo-changes between bitemporal images induced by imaging environmental factors are key challenges. Existing transformation-based methods regard…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Qi Zang , Shuang Wang , Dong Zhao , Dou Quan , Yang Hu , Licheng Jiao

The performance of Human Activity Recognition (HAR) models, particularly deep neural networks, is highly contingent upon the availability of the massive amount of annotated training data which should be sufficiently labeled. Though, data…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Elnaz Soleimani , Ghazaleh Khodabandelou , Abdelghani Chibani , Yacine Amirat

The training of generative adversarial networks (GANs) is usually vulnerable to mode collapse and vanishing gradients. The evolutionary generative adversarial network (E-GAN) attempts to alleviate these issues by optimizing the learning…

Neural and Evolutionary Computing · Computer Science 2022-11-02 Junjie Li , Jingyao Li , Wenbo Zhou , Shuai Lü

Anomaly detection on dynamic graphs refers to detecting entities whose behaviors obviously deviate from the norms observed within graphs and their temporal information. This field has drawn increasing attention due to its application in…

Machine Learning · Computer Science 2023-10-26 Shiqi Lou , Qingyue Zhang , Shujie Yang , Yuyang Tian , Zhaoxuan Tan , Minnan Luo

Generative Adversarial Networks (GANs) represent a promising class of generative networks that combine neural networks with game theory. From generating realistic images and videos to assisting musical creation, GANs are transforming many…

Machine Learning · Computer Science 2017-12-04 Alexandre Yahi , Rami Vanguri , Noémie Elhadad , Nicholas P. Tatonetti

In this study, we proposed and evaluated a graph-based framework to assess variations in Alzheimer's disease (AD) neuropathologies, focusing on classic (cAD) and rapid (rpAD) progression forms. Histopathological images are converted into…

Image and Video Processing · Electrical Eng. & Systems 2024-07-08 Gabriel Jimenez , Leopold Hebert-Stevens , Benoit Delatour , Lev Stimmer , Daniel Racoceanu

This paper studies the vulnerability of Graph Neural Networks (GNNs) to adversarial attacks on node features and graph structure. Various methods have implemented adversarial training to augment graph data, aiming to bolster the robustness…

Machine Learning · Computer Science 2025-09-03 Jinluan Yang , Ruihao Zhang , Zhengyu Chen , Fei Wu , Kun Kuang

Human Activity Recognition (HAR) using deep neural network has become a hot topic in human-computer interaction. Machine can effectively identify human naturalistic activities by learning from a large collection of sensor data. Activity…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Jun Long , WuQing Sun , Zhan Yang , Osolo Ian Raymond

We present a novel graph-based learning of EEG representations with gradient alignment (GEEGA) that leverages multi-domain information to learn EEG representations for brain-computer interfaces. Our model leverages graph convolutional…

Human-Computer Interaction · Computer Science 2025-12-09 Prithila Angkan , Amin Jalali , Paul Hungler , Ali Etemad

Generative approaches for cross-modality transformation have recently gained significant attention in neuroimaging. While most previous work has focused on case-control data, the application of generative models to disorder-specific…

Neurons and Cognition · Quantitative Biology 2024-05-10 Reihaneh Hassanzadeh , Anees Abrol , Hamid Reza Hassanzadeh , Vince D. Calhoun

Domain shift between medical images from multicentres is still an open question for the community, which degrades the generalization performance of deep learning models. Generative adversarial network (GAN), which synthesize plausible…

Image and Video Processing · Electrical Eng. & Systems 2020-07-31 Xinpeng Xie , Jiawei Chen , Yuexiang Li , Linlin Shen , Kai Ma , Yefeng Zheng

As a new approach to train generative models, \emph{generative adversarial networks} (GANs) have achieved considerable success in image generation. This framework has also recently been applied to data with graph structures. We propose…

Machine Learning · Computer Science 2021-02-26 Shuangfei Fan , Bert Huang

Graph neural networks (GNNs) are a class of effective deep learning models for node classification tasks; yet their predictive capability may be severely compromised under adversarially designed unnoticeable perturbations to the graph…

Machine Learning · Computer Science 2023-01-05 Xiao Zang , Jie Chen , Bo Yuan

Domain generalization on graphs aims to develop models with robust generalization capabilities, ensuring effective performance on the testing set despite disparities between testing and training distributions. However, existing methods…

Machine Learning · Computer Science 2024-11-21 Qin Tian , Chen Zhao , Minglai Shao , Wenjun Wang , Yujie Lin , Dong Li

Obtaining models that capture imaging markers relevant for disease progression and treatment monitoring is challenging. Models are typically based on large amounts of data with annotated examples of known markers aiming at automating…

Computer Vision and Pattern Recognition · Computer Science 2017-03-20 Thomas Schlegl , Philipp Seeböck , Sebastian M. Waldstein , Ursula Schmidt-Erfurth , Georg Langs

Graph neural networks (GNNs) have shown impressive performance in recommender systems, particularly in collaborative filtering (CF). The key lies in aggregating neighborhood information on a user-item interaction graph to enhance user/item…

Information Retrieval · Computer Science 2024-02-22 An Zhang , Wenchang Ma , Pengbo Wei , Leheng Sheng , Xiang Wang

Human Activity Recognition (HAR) using multimodal sensor data remains challenging due to noisy or incomplete measurements, scarcity of labeled examples, and privacy concerns. Traditional centralized deep learning approaches are often…

Machine Learning · Computer Science 2025-09-09 Labani Halder , Tanmay Sen , Sarbani Palit

Enhancing the domain generalization performance of Face Anti-Spoofing (FAS) techniques has emerged as a research focus. Existing methods are dedicated to extracting domain-invariant features from various training domains. Despite the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-31 Lianrui Mu , Jianhong Bai , Xiaoxuan He , Jiangnan Ye , Xiaoyu Liang , Yuchen Yang , Jiedong Zhuang , Haoji Hu