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Related papers: Graph Structure Based Data Augmentation Method

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Generative models for graph data are an important research topic in machine learning. Graph data comprise two levels that are typically analyzed separately: node-level properties such as the existence of a link between a pair of nodes, and…

Machine Learning · Computer Science 2023-01-18 Kiarash Zahirnia , Oliver Schulte , Parmis Naddaf , Ke Li

Statistical shape models (SSM) have been well-established as an excellent tool for identifying variations in the morphology of anatomy across the underlying population. Shape models use consistent shape representation across all the samples…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Mokshagna Sai Teja Karanam , Tushar Kataria , Krithika Iyer , Shireen Elhabian

The performances of commonly used electrocardiogram (ECG) diagnosis models have recently improved with the introduction of deep learning (DL). However, the impact of various combinations of multiple DL components and/or the role of data…

Signal Processing · Electrical Eng. & Systems 2022-08-02 Jae-Won Choi , Dae-Yong Hong , Chan Jung , Eugene Hwang , Sung-Hyuk Park , Seung-Young Roh

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…

Signal Processing · Electrical Eng. & Systems 2022-03-01 Tao Xu , Wang Dang , Jiabao Wang , Yun Zhou

Successful training of convolutional neural networks (CNNs) requires a substantial amount of data. With small datasets networks generalize poorly. Data Augmentation techniques improve the generalizability of neural networks by using…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 Saman Motamed , Patrik Rogalla , Farzad Khalvati

Graphical models capture relations between entities in a wide range of applications including social networks, biology, and natural language processing, among others. Graph neural networks (GNN) are neural models that operate over graphs,…

Machine Learning · Computer Science 2024-02-08 Xu Zheng , Farhad Shirani , Tianchun Wang , Shouwei Gao , Wenqian Dong , Wei Cheng , Dongsheng Luo

The Graph Convolutional Networks (GCN) proposed by Kipf and Welling is an effective model for semi-supervised learning, but faces the obstacle of over-smoothing, which will weaken the representation ability of GCN. Recently some works are…

Machine Learning · Computer Science 2022-05-20 Xue Liu , Dan Sun , Wei Wei

The data scarcity problem in Electroencephalography (EEG) based affective computing results into difficulty in building an effective model with high accuracy and stability using machine learning algorithms especially deep learning models.…

Machine Learning · Computer Science 2021-09-09 Zhi Zhang , Sheng-hua Zhong , Yan Liu

Contrastive learning (CL) recently has spurred a fruitful line of research in the field of recommendation, since its ability to extract self-supervised signals from the raw data is well-aligned with recommender systems' needs for tackling…

Information Retrieval · Computer Science 2022-05-10 Junliang Yu , Hongzhi Yin , Xin Xia , Tong Chen , Lizhen Cui , Quoc Viet Hung Nguyen

In the realm of visual recognition, data augmentation stands out as a pivotal technique to amplify model robustness. Yet, a considerable number of existing methodologies lean heavily on heuristic foundations, rendering their intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Zhendong Liu , Jie Zhang , Qiangqiang He , Chongjun Wang

Understanding how segmentation performance scales with training data is fundamental for developing data-efficient medical AI systems. In this study, we systematically revisit data scaling behavior across 15 anatomical segmentation tasks…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yuetan Chu , Zhongyi Han , Gongning Luo , Xin Gao

Chronic wounds are a significant burden on individuals and the healthcare system, affecting millions of people and incurring high costs. Wound classification using deep learning techniques is a promising approach for faster diagnosis and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Harini Narayanan , Sindhu Ghanta

Routine clinical visits of a patient produce not only image data, but also non-image data containing clinical information regarding the patient, i.e., medical data is multi-modal in nature. Such heterogeneous modalities offer different and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Sein Kim , Namkyeong Lee , Junseok Lee , Dongmin Hyun , Chanyoung Park

This paper presents an innovative and generic deep learning approach to monitor heart conditions from ECG signals.We focus our attention on both the detection and classification of abnormal heartbeats, known as arrhythmia. We strongly…

Machine Learning · Computer Science 2019-06-14 Meryll Dindin , Yuhei Umeda , Frederic Chazal

Existing automatic data augmentation (DA) methods either ignore updating DA's parameters according to the target model's state during training or adopt update strategies that are not effective enough. In this work, we design a novel data…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Xiaogang Xu , Hengshuang Zhao

Data augmentation has become a de facto component of deep learning-based medical image segmentation methods. Most data augmentation techniques used in medical imaging focus on spatial and intensity transformations to improve the diversity…

Image and Video Processing · Electrical Eng. & Systems 2023-08-21 Berke Doga Basaran , Weitong Zhang , Mengyun Qiao , Bernhard Kainz , Paul M. Matthews , Wenjia Bai

Brain-Computer Interface (BCI) system provides a pathway between humans and the outside world by analyzing brain signals which contain potential neural information. Electroencephalography (EEG) is one of most commonly used brain signals and…

Signal Processing · Electrical Eng. & Systems 2018-11-07 Xian-Rui Zhang , Meng-Ying Lei , Yang Li

Data augmentation is widely recognized for improving generalization in deep networks, yet its impact on the geometry of learned representations remains poorly understood. In this work, we characterize how different data augmentation…

Machine Learning · Computer Science 2026-05-18 Tianxiao He , Alex H. Williams , Sarah E. Harvey

We consider multivariate two-sample tests of means, where the location shift between the two populations is expected to be related to a known graph structure. An important application of such tests is the detection of differentially…

Quantitative Methods · Quantitative Biology 2014-05-16 Laurent Jacob , Pierre Neuvial , Sandrine Dudoit

Data augmentation is a widely used trick when training deep neural networks: in addition to the original data, properly transformed data are also added to the training set. However, to the best of our knowledge, a clear mathematical…

Machine Learning · Statistics 2020-11-10 Shuxiao Chen , Edgar Dobriban , Jane H Lee
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