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The recent surge in contrast-based graph self-supervised learning has prominently featured an intensified exploration of spectral cues. Spectral augmentation, which involves modifying a graph's spectral properties such as eigenvalues or…

Machine Learning · Computer Science 2024-12-05 Xiangru Jian , Xinjian Zhao , Wei Pang , Chaolong Ying , Yimu Wang , Yaoyao Xu , Tianshu Yu

The "Graph pre-training and fine-tuning" paradigm has significantly improved Graph Neural Networks(GNNs) by capturing general knowledge without manual annotations for downstream tasks. However, due to the immense gap of data and tasks…

Machine Learning · Computer Science 2024-02-22 Yuchen Yan , Peiyan Zhang , Zheng Fang , Qingqing Long

Recently, contrastiveness-based augmentation surges a new climax in the computer vision domain, where some operations, including rotation, crop, and flip, combined with dedicated algorithms, dramatically increase the model generalization…

Computer Vision and Pattern Recognition · Computer Science 2022-05-23 Han Yue , Chunhui Zhang , Chuxu Zhang , Hongfu Liu

The emergence of geometric deep learning as a novel framework to deal with graph-based representations has faded away traditional approaches in favor of completely new methodologies. In this paper, we propose a new framework able to combine…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Pau Riba , Andreas Fischer , Josep Lladós , Alicia Fornés

Mixup, a recent proposed data augmentation method through linearly interpolating inputs and modeling targets of random samples, has demonstrated its capability of significantly improving the predictive accuracy of the state-of-the-art…

Computation and Language · Computer Science 2019-05-23 Hongyu Guo , Yongyi Mao , Richong Zhang

Graphs are crucial for representing interrelated data and aiding predictive modeling by capturing complex relationships. Achieving high-quality graph representation is important for identifying linked patterns, leading to improvements in…

Machine Learning · Computer Science 2024-07-23 Sumeyye Bas , Kiymet Kaya , Resul Tugay , Sule Gunduz Oguducu

In this paper we propose a new augmentation technique, called patch augmentation, that, in our experiments, improves model accuracy and makes networks more robust to adversarial attacks. In brief, this data-independent approach creates new…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Marcus D. Bloice , Peter M. Roth , Andreas Holzinger

Convolution operations designed for graph-structured data usually utilize the graph Laplacian, which can be seen as message passing between the adjacent neighbors through a generic random walk. In this paper, we propose PAN, a new graph…

Machine Learning · Computer Science 2019-07-22 Zheng Ma , Ming Li , Yuguang Wang

Representation learning in recent years has been addressed with self-supervised learning methods. The input data is augmented into two distorted views and an encoder learns the representations that are invariant to distortions -- cross-view…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Lakshman Balasubramanian , Jonas Wurst , Robin Egolf , Michael Botsch , Wolfgang Utschick , Ke Deng

The graph is one of the most widely used mathematical structures in engineering and science because of its representational power and inherent ability to demonstrate the relationship between objects. The objective of this work is to…

Data Structures and Algorithms · Computer Science 2021-01-01 Shri Prakash Dwivedi

Graph representation is a powerful abstraction of real-world objects and relations. Computing the Graph Edit Distance (GED) between graphs is critical in domains such as bioinformatics, machine learning, and pattern recognition. GED…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-05 Adel Dabah , Andreas Herten

We introduce COPT, a novel distance metric between graphs defined via an optimization routine, computing a coordinated pair of optimal transport maps simultaneously. This gives an unsupervised way to learn general-purpose graph…

Machine Learning · Computer Science 2021-01-01 Yihe Dong , Will Sawin

Data augmentation aims to generate new and synthetic features from the original data, which can identify a better representation of data and improve the performance and generalizability of downstream tasks. However, data augmentation for…

Machine Learning · Computer Science 2021-06-17 Zhengzheng Tang , Ziyue Qiao , Xuehai Hong , Yang Wang , Fayaz Ali Dharejo , Yuanchun Zhou , Yi Du

Incremental learning is a form of online learning. Incremental learning can modify the parameters and structure of the deep learning model so that the model does not forget the old knowledge while learning new knowledge. Preventing…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Sheng Ren , Yan He , Neal N. Xiong , Kehua Guo

The over-parameterized models attract much attention in the era of data science and deep learning. It is empirically observed that although these models, e.g. deep neural networks, over-fit the training data, they can still achieve small…

Machine Learning · Statistics 2019-09-27 Yue Xing , Qifan Song , Guang Cheng

Electrical Impedance Tomography (EIT)-inspired tactile sensors are gaining attention in robotic tactile sensing due to their cost-effectiveness, safety, and scalability with sparse electrode configurations. This paper presents a data…

Robotics · Computer Science 2025-03-19 Huazhi Dong , Ronald B. Liu , Leo Micklem , Peisan Sharel E , Francesco Giorgio-Serchi , Yunjie Yang

Cross-graph node classification, utilizing the abundant labeled nodes from one graph to help classify unlabeled nodes in another graph, can be viewed as a domain generalization problem of graph neural networks (GNNs) due to the structure…

Machine Learning · Computer Science 2025-02-26 Guanzi Chen , Jiying Zhang , Yang Li

Computational pathology, integrating computational methods and digital imaging, has shown to be effective in advancing disease diagnosis and prognosis. In recent years, the development of machine learning and deep learning has greatly…

Image and Video Processing · Electrical Eng. & Systems 2025-02-25 Jiamu Wang , Chang-Su Kim , Jin Tae Kwak

A geometric graph is a combinatorial graph, endowed with a geometry that is inherited from its embedding in a Euclidean space. Formulation of a meaningful measure of (dis-)similarity in both the combinatorial and geometric structures of two…

Computational Geometry · Computer Science 2022-09-27 Sushovan Majhi , Carola Wenk

Graph embedding methods represent nodes in a continuous vector space, preserving information from the graph (e.g. by sampling random walks). There are many hyper-parameters to these methods (such as random walk length) which have to be…

Machine Learning · Computer Science 2018-12-27 Sami Abu-El-Haija , Bryan Perozzi , Rami Al-Rfou , Alex Alemi