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Most existing out-of-distribution (OOD) detection benchmarks classify samples with novel labels as the OOD data. However, some marginal OOD samples actually have close semantic contents to the in-distribution (ID) sample, which makes…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Xingming Long , Jie Zhang , Shiguang Shan , Xilin Chen

Learning on graphs, where instance nodes are inter-connected, has become one of the central problems for deep learning, as relational structures are pervasive and induce data inter-dependence which hinders trivial adaptation of existing…

机器学习 · 计算机科学 2023-03-10 Qitian Wu , Yiting Chen , Chenxiao Yang , Junchi Yan

Out-of-distribution (OoD) detection for data-based programs is a goal of paramount importance. Common approaches in the literature tend to train detectors requiring inside-of-distribution (in-distribution, or IoD) and OoD validation…

计算机视觉与模式识别 · 计算机科学 2023-02-22 Romain Xu-Darme , Julien Girard-Satabin , Darryl Hond , Gabriele Incorvaia , Zakaria Chihani

In the transductive setting, where the full graph is observed but node labels are only partially available, progress in semi-supervised node classification has largely focused on architectural innovation. In this paper, we revisit an…

机器学习 · 计算机科学 2026-05-21 Brown Zaz , Mar Gonzàlez I Català , Ferran Hernandez Caralt , Moshe Eliasof , Pietro Liò

We study the problem of Out-of-Distribution (OOD) detection, that is, detecting whether a learning algorithm's output can be trusted at inference time. While a number of tests for OOD detection have been proposed in prior work, a formal…

机器学习 · 统计学 2023-09-19 Akshayaa Magesh , Venugopal V. Veeravalli , Anirban Roy , Susmit Jha

Estimating the traversability of terrain should be reliable and accurate in diverse conditions for autonomous driving in off-road environments. However, learning-based approaches often yield unreliable results when confronted with…

机器人学 · 计算机科学 2023-07-27 Junwon Seo , Sungdae Sim , Inwook Shim

Graph neural networks are widely used for node classification, but they remain vulnerable to out-of-distribution (OOD) shifts in node features and graph structure. Prior work established that methods trained with standard supervised…

机器学习 · 计算机科学 2026-05-15 Danny Wang , Ruihong Qiu , Zi Huang

Unsupervised out-of-distribution (OOD) detection aims to identify out-of-domain data by learning only from unlabeled In-Distribution (ID) training samples, which is crucial for developing a safe real-world machine learning system. Current…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Ying Yang , De Cheng , Chaowei Fang , Yubiao Wang , Changzhe Jiao , Lechao Cheng , Nannan Wang

Out-of-distribution (OOD) detection remains challenging in text-rich networks, where textual features intertwine with topological structures. Existing methods primarily address label shifts or rudimentary domain-based splits, overlooking…

计算与语言 · 计算机科学 2025-09-03 Danny Wang , Ruihong Qiu , Guangdong Bai , Zi Huang

Detecting whether examples belong to a given in-distribution or are Out-Of-Distribution (OOD) requires identifying features specific to the in-distribution. In the absence of labels, these features can be learned by self-supervised…

人工智能 · 计算机科学 2022-01-19 Nima Rafiee , Rahil Gholamipoorfard , Nikolas Adaloglou , Simon Jaxy , Julius Ramakers , Markus Kollmann

Annotating remote sensing images (RSIs) presents a notable challenge due to its labor-intensive nature. Semi-supervised object detection (SSOD) methods tackle this issue by generating pseudo-labels for the unlabeled data, assuming that all…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Nanqing Liu , Xun Xu , Yingjie Gao , Heng-Chao Li

Autonomous systems rely on accurate 3D object detection from LiDAR data, yet most detectors are limited to a predefined set of known classes, making them vulnerable to unexpected out-of-distribution (OOD) objects. In this work, we present…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Louis Soum-Fontez , Jean-Emmanuel Deschaud , François Goulette

Earth Observation imagery can capture rare and unusual events, such as disasters and major landscape changes, whose visual appearance contrasts with the usual observations. Deep models trained on common remote sensing data will output…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Georges Le Bellier , Nicolas Audebert

We consider the problem of detecting out-of-distribution (OOD) samples in deep reinforcement learning. In a value based reinforcement learning setting, we propose to use uncertainty estimation techniques directly on the agent's value…

机器学习 · 计算机科学 2019-01-09 Andreas Sedlmeier , Thomas Gabor , Thomy Phan , Lenz Belzner , Claudia Linnhoff-Popien

In this study, we propose a three-stage training approach of neural networks for both photometric redshift estimation of galaxies and detection of out-of-distribution (OOD) objects. Our approach comprises supervised and unsupervised…

天体物理仪器与方法 · 物理学 2022-02-04 Joongoo Lee , Min-Su Shin

Feature shaping refers to a family of methods that exhibit state-of-the-art performance for out-of-distribution (OOD) detection. These approaches manipulate the feature representation, typically from the penultimate layer of a pre-trained…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Qinyu Zhao , Ming Xu , Kartik Gupta , Akshay Asthana , Liang Zheng , Stephen Gould

Prior work typically describes out-of-domain (OOD) or out-of-distribution (OODist) samples as those that originate from dataset(s) or source(s) different from the training set but for the same task. When compared to in-domain (ID) samples,…

计算与语言 · 计算机科学 2023-06-05 Rhitabrat Pokharel , Ameeta Agrawal

Deep generative models have been demonstrated as problematic in the unsupervised out-of-distribution (OOD) detection task, where they tend to assign higher likelihoods to OOD samples. Previous studies on this issue are usually not…

机器学习 · 计算机科学 2024-01-04 Zezhen Zeng , Bin Liu

Out of distribution (OOD) detection is a crucial part of making machine learning systems robust. The ImageNet-O dataset is an important tool in testing the robustness of ImageNet trained deep neural networks that are widely used across a…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Anugya Srivastava , Shriya Jain , Mugdha Thigle

Despite extensive research efforts focused on OOD detection on images, OOD detection on nodes in graph learning remains underexplored. The dependence among graph nodes hinders the trivial adaptation of existing approaches on images that…

机器学习 · 计算机科学 2025-03-18 Yuhan Chen , Yihong Luo , Yifan Song , Pengwen Dai , Jing Tang , Xiaochun Cao