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相关论文: X-GGM: Graph Generative Modeling for Out-of-Distri…

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Out-of-distribution (OOD) detection plays a crucial role in ensuring the safety and reliability of deep neural networks in various applications. While there has been a growing focus on OOD detection in visual data, the field of textual OOD…

计算与语言 · 计算机科学 2024-04-10 Li-Ming Zhan , Bo Liu , Xiao-Ming Wu

Out-of-distribution (OOD) generalization in the graph domain is challenging due to complex distribution shifts and a lack of environmental contexts. Recent methods attempt to enhance graph OOD generalization by generating flat environments.…

机器学习 · 计算机科学 2024-06-04 Yinhua Piao , Sangseon Lee , Yijingxiu Lu , Sun Kim

In general, graph representation learning methods assume that the train and test data come from the same distribution. In this work we consider an underexplored area of an otherwise rapidly developing field of graph representation learning:…

机器学习 · 计算机科学 2021-12-08 Beatrice Bevilacqua , Yangze Zhou , Bruno Ribeiro

While deep learning demonstrates its strong ability to handle independent and identically distributed (IID) data, it often suffers from out-of-distribution (OoD) generalization, where the test data come from another distribution (w.r.t. the…

机器学习 · 计算机科学 2020-12-18 Haoyue Bai , Rui Sun , Lanqing Hong , Fengwei Zhou , Nanyang Ye , Han-Jia Ye , S. -H. Gary Chan , Zhenguo Li

There are many computer vision applications including object segmentation, classification, object detection, and reconstruction for which machine learning (ML) shows state-of-the-art performance. Nowadays, we can build ML tools for such…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Hamza Riaz , Alan F. Smeaton

Generalization to out-of-distribution (OOD) data is a capability natural to humans yet challenging for machines to reproduce. This is because most learning algorithms strongly rely on the i.i.d.~assumption on source/target data, which is…

机器学习 · 计算机科学 2022-08-15 Kaiyang Zhou , Ziwei Liu , Yu Qiao , Tao Xiang , Chen Change Loy

Out-of-distribution (OOD) detection is essential for reliable and trustworthy machine learning. Recent multi-modal OOD detection leverages textual information from in-distribution (ID) class names for visual OOD detection, yet it currently…

计算与语言 · 计算机科学 2023-10-13 Yi Dai , Hao Lang , Kaisheng Zeng , Fei Huang , Yongbin Li

Recognizing out-of-distribution (OOD) samples is critical for machine learning systems deployed in the open world. The vast majority of OOD detection methods are driven by a single modality (e.g., either vision or language), leaving the…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Yifei Ming , Ziyang Cai , Jiuxiang Gu , Yiyou Sun , Wei Li , Yixuan Li

In real-world applications, it is important and desirable to learn a model that performs well on out-of-distribution (OOD) data. Recently, causality has become a powerful tool to tackle the OOD generalization problem, with the idea resting…

机器学习 · 统计学 2022-03-25 Ruoyu Wang , Mingyang Yi , Zhitang Chen , Shengyu Zhu

Out-of-distribution (OOD) testing is increasingly popular for evaluating a machine learning system's ability to generalize beyond the biases of a training set. OOD benchmarks are designed to present a different joint distribution of data…

计算机视觉与模式识别 · 计算机科学 2020-05-20 Damien Teney , Kushal Kafle , Robik Shrestha , Ehsan Abbasnejad , Christopher Kanan , Anton van den Hengel

Out-of-distribution (OOD) detection in 3D point cloud data remains a challenge, particularly in applications where safe and robust perception is critical. While existing OOD detection methods have shown progress for 2D image data, extending…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Tiankai Chen , Yushu Li , Adam Goodge , Fei Teng , Xulei Yang , Tianrui Li , Xun Xu

Dynamic graph neural networks (DGNNs) are increasingly pervasive in exploiting spatio-temporal patterns on dynamic graphs. However, existing works fail to generalize under distribution shifts, which are common in real-world scenarios. As…

机器学习 · 计算机科学 2023-11-21 Haonan Yuan , Qingyun Sun , Xingcheng Fu , Ziwei Zhang , Cheng Ji , Hao Peng , Jianxin Li

Out-of-distribution (OOD) detection is important for deploying machine learning models in the real world, where test data from shifted distributions can naturally arise. While a plethora of algorithmic approaches have recently emerged for…

机器学习 · 计算机科学 2021-12-03 Peyman Morteza , Yixuan Li

Out-of-distribution (OOD) detection in graphs is critical for ensuring model robustness in open-world and safety-sensitive applications. Existing graph OOD detection approaches typically train an in-distribution (ID) classifier on ID data…

机器学习 · 计算机科学 2025-05-20 Haoyan Xu , Zhengtao Yao , Ziyi Wang , Zhan Cheng , Xiyang Hu , Mengyuan Li , Yue Zhao

The existing methods learn geographic network representations through deep graph neural networks (GNNs) based on the i.i.d. assumption. However, the spatial heterogeneity and temporal dynamics of geographic data make the out-of-distribution…

机器学习 · 计算机科学 2025-03-26 Yuhan Wang , Silu He , Qinyao Luo , Hongyuan Yuan , Ling Zhao , Jiawei Zhu , Haifeng Li

Generalization to out-of-distribution (OOD) data is one of the central problems in modern machine learning. Recently, there is a surge of attempts to propose algorithms that mainly build upon the idea of extracting invariant features.…

机器学习 · 计算机科学 2021-11-09 Haotian Ye , Chuanlong Xie , Tianle Cai , Ruichen Li , Zhenguo Li , Liwei Wang

Graph Out-of-Distribution (OOD), requiring that models trained on biased data generalize to the unseen test data, has considerable real-world applications. One of the most mainstream methods is to extract the invariant subgraph by aligning…

机器学习 · 计算机科学 2024-07-23 Xuexin Chen , Ruichu Cai , Kaitao Zheng , Zhifan Jiang , Zhengting Huang , Zhifeng Hao , Zijian Li

Evaluating the quality of post-hoc explanations for Graph Neural Networks (GNNs) remains a significant challenge. While recent years have seen an increasing development of explainability methods, current evaluation metrics (e.g., fidelity,…

机器学习 · 计算机科学 2026-02-10 Ding Zhang , Siddharth Betala , Chirag Agarwal

Out-of-distribution (OOD) detection poses a significant challenge for Graph Neural Networks (GNNs), particularly in open-world scenarios with varying distribution shifts. Most existing OOD detection methods on graphs primarily focus on…

机器学习 · 计算机科学 2024-10-24 Zhixia He , Chen Zhao , Minglai Shao , Yujie Lin , Dong Li , Qin Tian

Graph-level representation learning is important in a wide range of applications. Existing graph-level models are generally built on i.i.d. assumption for both training and testing graphs. However, in an open world, models can encounter…

机器学习 · 计算机科学 2024-07-19 Zhihao Ding , Jieming Shi , Shiqi Shen , Xuequn Shang , Jiannong Cao , Zhipeng Wang , Zhi Gong