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Multimodal neuroimage can provide complementary information about the dementia, but small size of complete multimodal data limits the ability in representation learning. Moreover, the data distribution inconsistency from different…

计算机视觉与模式识别 · 计算机科学 2021-07-22 Qiankun Zuo , Baiying Lei , Yanyan Shen , Yong Liu , Zhiguang Feng , Shuqiang Wang

A large number of real-world networks include multiple types of nodes and edges. Graph Neural Network (GNN) emerged as a deep learning framework to generate node and graph embeddings for downstream machine learning tasks. However, popular…

机器学习 · 计算机科学 2024-11-26 Ziynet Nesibe Kesimoglu , Serdar Bozdag

Most current studies on survey analysis and risk tolerance modelling lack professional knowledge and domain-specific models. Given the effectiveness of generative adversarial learning in cross-domain information, we design an Asymmetric…

机器学习 · 计算机科学 2020-10-07 Zhe Liu , Lina Yao , Xianzhi Wang , Lei Bai , Jake An

One of the most significant challenges of EEG-based emotion recognition is the cross-subject EEG variations, leading to poor performance and generalizability. This paper proposes a novel EEG-based emotion recognition model called the domain…

信号处理 · 电气工程与系统科学 2022-03-01 Tao Xu , Wang Dang , Jiabao Wang , Yun Zhou

Exploring the complex structure of the human brain is crucial for understanding its functionality and diagnosing brain disorders. Thanks to advancements in neuroimaging technology, a novel approach has emerged that involves modeling the…

Understanding how brain structure and function interact is key to explaining intelligence yet modeling them jointly is challenging as the structural and functional connectome capture complementary aspects of organization. We introduced…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Badhan Mazumder , Sir-Lord Wiafe , Aline Kotoski , Vince D. Calhoun , Dong Hye Ye

Brain connectomes, representing neural connectivity as graphs, are crucial for understanding brain organization but costly and time-consuming to acquire, motivating generative approaches. Recent advances in graph generative modeling offer a…

机器学习 · 计算机科学 2025-08-14 Yitong Luo , Islem Rekik

Image-to-image translation is an ill-posed problem as unique one-to-one mapping may not exist between the source and target images. Learning-based methods proposed in this context often evaluate the performance on test data that is similar…

图像与视频处理 · 电气工程与系统科学 2021-10-08 Uddeshya Upadhyay , Viswanath P. Sudarshan , Suyash P. Awate

Image-to-image translation, which translates input images to a different domain with a learned one-to-one mapping, has achieved impressive success in recent years. The success of translation mainly relies on the network architecture to…

计算机视觉与模式识别 · 计算机科学 2019-05-22 Wenju Xu , Shawn Keshmiri , Guanghui Wang

Graph Neural Networks (GNNs) are characterized by their capacity of processing graph-structured data. However, due to the sparsity of labels under semi-supervised learning, they have been found to exhibit biased performance on specific…

机器学习 · 计算机科学 2025-12-16 Yihan Zhang

Modern image generative models show remarkable sample quality when trained on a single domain or class of objects. In this work, we introduce a generative adversarial network that can simultaneously generate aligned image samples from…

计算机视觉与模式识别 · 计算机科学 2022-06-08 Seung Wook Kim , Karsten Kreis , Daiqing Li , Antonio Torralba , Sanja Fidler

Developing automated and semi-automated solutions for reconstructing wiring diagrams of the brain from electron micrographs is important for advancing the field of connectomics. While the ultimate goal is to generate a graph of neuron…

计算机视觉与模式识别 · 计算机科学 2016-08-09 William Gray Roncal , Colin Lea , Akira Baruah , Gregory D. Hager

Graph embedding is an effective method to represent graph data in a low dimensional space for graph analytics. Most existing embedding algorithms typically focus on preserving the topological structure or minimizing the reconstruction…

机器学习 · 计算机科学 2019-01-09 Shirui Pan , Ruiqi Hu , Guodong Long , Jing Jiang , Lina Yao , Chengqi Zhang

Generative graph models create instances of graphs that mimic the properties of real-world networks. Generative models are successful at retaining pairwise associations in the underlying networks but often fail to capture higher-order…

社会与信息网络 · 计算机科学 2019-11-14 Anuththari Gamage , Eli Chien , Jianhao Peng , Olgica Milenkovic

Electrocardiogram (ECG) acquisition requires an automated system and analysis pipeline for understanding specific rhythm irregularities. Deep neural networks have become a popular technique for tracing ECG signals, outperforming human…

We tackle classification based on brain connectivity derived from diffusion magnetic resonance images. We propose a machine-learning model inspired by graph convolutional networks (GCNs), which takes a brain connectivity input graph and…

神经元与认知 · 定量生物学 2023-09-21 Anees Kazi , Jocelyn Mora , Bruce Fischl , Adrian V. Dalca , Iman Aganj

We propose a multi-explanation graph attention network (MEGAN). Unlike existing graph explainability methods, our network can produce node and edge attributional explanations along multiple channels, the number of which is independent of…

机器学习 · 计算机科学 2024-02-20 Jonas Teufel , Luca Torresi , Patrick Reiser , Pascal Friederich

Unsupervised graph representation learning aims to learn low-dimensional node embeddings without supervision while preserving graph topological structures and node attributive features. Previous graph neural networks (GNN) require a large…

机器学习 · 计算机科学 2020-09-04 Yanqiao Zhu , Yichen Xu , Feng Yu , Shu Wu , Liang Wang

A new generative adversarial network is developed for joint distribution matching. Distinct from most existing approaches, that only learn conditional distributions, the proposed model aims to learn a joint distribution of multiple random…

机器学习 · 计算机科学 2018-06-11 Yunchen Pu , Shuyang Dai , Zhe Gan , Weiyao Wang , Guoyin Wang , Yizhe Zhang , Ricardo Henao , Lawrence Carin

Autism Spectrum Disorder (ASD) is a prevalent neurological disorder. However, the multi-faceted symptoms and large individual differences among ASD patients are hindering the diagnosis process, which largely relies on subject descriptions…

神经元与认知 · 定量生物学 2024-11-11 Yuzhe Chen , Dayu Qin , Ercan Engin Kuruoglu