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The ability to detect Out-of-Distribution (OOD) data is important in safety-critical applications of deep learning. The aim is to separate In-Distribution (ID) data drawn from the training distribution from OOD data using a measure of…

机器学习 · 计算机科学 2022-09-21 Guoxuan Xia , Christos-Savvas Bouganis

Traditional machine learning paradigms are based on the assumption that both training and test data follow the same statistical pattern, which is mathematically referred to as Independent and Identically Distributed ($i.i.d.$). However, in…

机器学习 · 计算机科学 2023-07-28 Jiashuo Liu , Zheyan Shen , Yue He , Xingxuan Zhang , Renzhe Xu , Han Yu , Peng Cui

Out-of-Distribution (OOD) generalization, a cornerstone for building robust machine learning models capable of handling data diverging from the training set's distribution, is an ongoing challenge in deep learning. While significant…

机器学习 · 计算机科学 2023-12-05 Sergey Kolesnikov

Out-of-distribution (OOD) detection is concerned with identifying data points that do not belong to the same distribution as the model's training data. For the safe deployment of predictive models in a real-world environment, it is critical…

声音 · 计算机科学 2023-02-28 Zaharah Bukhsh , Aaqib Saeed

Out-of-distribution (OOD) detection is the task of identifying inputs that deviate from the training data distribution. This capability is essential for safely deploying deep computer vision models in open-world environments. In this work,…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Wenxi Chen , Raymond A. Yeh , Shaoshuai Mou , Yan Gu

Unsupervised continual learning aims to learn new tasks incrementally without requiring human annotations. However, most existing methods, especially those targeted on image classification, only work in a simplified scenario by assuming all…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Jiangpeng He , Fengqing Zhu

Deep neural networks are known to be overconfident when applied to out-of-distribution (OOD) inputs which clearly do not belong to any class. This is a problem in safety-critical applications since a reliable assessment of the uncertainty…

机器学习 · 计算机科学 2021-03-11 Julian Bitterwolf , Alexander Meinke , Matthias Hein

This thesis makes considerable contributions to the realm of machine learning, specifically in the context of open-world scenarios where systems face previously unseen data and contexts. Traditional machine learning models are usually…

机器学习 · 计算机科学 2023-10-11 Yiyou Sun

Detecting out-of-distribution (OOD) data is a critical challenge in machine learning due to model overconfidence, often without awareness of their epistemological limits. We hypothesize that ``neural collapse'', a phenomenon affecting…

Detecting out-of-distribution (OOD) data is crucial in machine learning applications to mitigate the risk of model overconfidence, thereby enhancing the reliability and safety of deployed systems. The majority of existing OOD detection…

人工智能 · 计算机科学 2024-08-22 Christos Constantinou , Georgios Ioannides , Aman Chadha , Aaron Elkins , Edwin Simpson

Density-based Out-of-distribution (OOD) detection has recently been shown unreliable for the task of detecting OOD images. Various density ratio based approaches achieve good empirical performance, however methods typically lack a…

机器学习 · 统计学 2022-06-09 Mingtian Zhang , Andi Zhang , Tim Z. Xiao , Yitong Sun , Steven McDonagh

Out-of-distribution (OOD) detection identifies test samples that differ from the training data, which is critical to ensuring the safety and reliability of machine learning (ML) systems. While a plethora of methods have been developed to…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Viet Duong , Qiong Wu , Zhengyi Zhou , Eric Zavesky , Jiahe Chen , Xiangzhou Liu , Wen-Ling Hsu , Huajie Shao

Modern manufacturing relies heavily on fusion welding processes, including gas metal arc welding (GMAW). Despite significant advances in machine learning-based quality prediction, current models exhibit critical limitations when confronted…

机器学习 · 计算机科学 2026-02-18 Yannik Hahn , Jan Voets , Antonin Koenigsfeld , Hasan Tercan , Tobias Meisen

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

The core of out-of-distribution (OOD) detection is to learn the in-distribution (ID) representation, which is distinguishable from OOD samples. Previous work applied recognition-based methods to learn the ID features, which tend to learn…

计算机视觉与模式识别 · 计算机科学 2023-04-12 Jingyao Li , Pengguang Chen , Shaozuo Yu , Zexin He , Shu Liu , Jiaya Jia

The task of out-of-distribution (OOD) detection is notoriously ill-defined. Earlier works focused on new-class detection, aiming to identify label-altering data distribution shifts, also known as "semantic shift." However, recent works…

计算机视觉与模式识别 · 计算机科学 2024-03-20 William Yang , Byron Zhang , Olga Russakovsky

Modern neural networks are very powerful predictive models, but they are often incapable of recognizing when their predictions may be wrong. Closely related to this is the task of out-of-distribution detection, where a network must…

机器学习 · 统计学 2018-02-15 Terrance DeVries , Graham W. Taylor

Out-of-Distribution (OOD) detection is critical for the reliable operation of open-world intelligent systems. Despite the emergence of an increasing number of OOD detection methods, the evaluation inconsistencies present challenges for…

This paper presents a principled approach for detecting out-of-distribution (OOD) samples in deep neural networks (DNN). Modeling probability distributions on deep features has recently emerged as an effective, yet computationally cheap…

机器学习 · 计算机科学 2020-12-09 Ibrahima Ndiour , Nilesh Ahuja , Omesh Tickoo

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