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The training and test data for deep-neural-network-based classifiers are usually assumed to be sampled from the same distribution. When part of the test samples are drawn from a distribution that is sufficiently far away from that of the…

机器学习 · 计算机科学 2021-12-14 Yinan Wang , Wenbo Sun , Jionghua "Judy" Jin , Zhenyu "James" Kong , Xiaowei Yue

In the real world, a learning system could receive an input that is unlike anything it has seen during training. Unfortunately, out-of-distribution samples can lead to unpredictable behaviour. We need to know whether any given input belongs…

机器学习 · 计算机科学 2019-08-21 Alireza Shafaei , Mark Schmidt , James J. Little

Out-of-distribution (OOD) detection is critical to building reliable machine learning systems in the open world. Researchers have proposed various strategies to reduce model overconfidence on OOD data. Among them, ReAct is a typical and…

机器学习 · 计算机科学 2023-05-19 Mingyu Xu , Zheng Lian , Bin Liu , Jianhua Tao

Improving the reliability of deployed machine learning systems often involves developing methods to detect out-of-distribution (OOD) inputs. However, existing research often narrowly focuses on samples from classes that are absent from the…

机器学习 · 计算机科学 2024-12-11 Charles Guille-Escuret , Pierre-André Noël , Ioannis Mitliagkas , David Vazquez , Joao Monteiro

Out-of-distribution (OOD) detection aims to identify test examples that do not belong to the training distribution and are thus unlikely to be predicted reliably. Despite a plethora of existing works, most of them focused only on the…

机器学习 · 计算机科学 2023-11-07 Reza Averly , Wei-Lun Chao

Reinforcement Learning (RL) based solutions are being adopted in a variety of domains including robotics, health care and industrial automation. Most focus is given to when these solutions work well, but they fail when presented with out of…

机器学习 · 计算机科学 2021-12-07 Aaqib Parvez Mohammed , Matias Valdenegro-Toro

In addition to accurate scene understanding through precise semantic segmentation of LiDAR point clouds, detecting out-of-distribution (OOD) objects, instances not encountered during training, is essential to prevent the incorrect…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Hanieh Shojaei Miandashti , Claus Brenner

Out-of-distribution (OOD) detection is essential for building reliable AI systems, as models that produce outputs for invalid inputs cannot be trusted. Although deep learning (DL) is often assumed to outperform traditional machine learning…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Jihyeon Baek , Seunghoon Lee , Gitaek Kwon , Doohyun Park

Machine learning methods must be trusted to make appropriate decisions in real-world environments, even when faced with out-of-distribution (OOD) samples. Many current approaches simply aim to detect OOD examples and alert the user when an…

机器学习 · 计算机科学 2022-09-13 Randolph Linderman , Jingyang Zhang , Nathan Inkawhich , Hai Li , Yiran Chen

Machine Learning classifiers used in Brain-Computer Interfaces make classifications based on the distribution of data they were trained on. When they need to make inferences on samples that fall outside of this distribution, they can only…

Deep learning provides a powerful tool for machine perception when the observations resemble the training data. However, real-world robotic systems must react intelligently to their observations even in unexpected circumstances. This…

机器学习 · 计算机科学 2018-12-31 Rowan McAllister , Gregory Kahn , Jeff Clune , Sergey Levine

Out-of-distribution (OOD) detection in deep learning has traditionally been framed as a binary task, where samples are either classified as belonging to the known classes or marked as OOD, with little attention given to the semantic…

机器学习 · 计算机科学 2025-03-28 Erik Wallin , Fredrik Kahl , Lars Hammarstrand

Detecting out-of-distribution (OOD) samples is crucial to the safe deployment of a classifier in the real world. However, deep neural networks are known to be overconfident for abnormal data. Existing works directly design score function by…

计算机视觉与模式识别 · 计算机科学 2023-01-06 Wenyu Jiang , Yuxin Ge , Hao Cheng , Mingcai Chen , Shuai Feng , Chongjun Wang

Detecting out-of-distribution (OOD) instances is crucial for NLP models in practical applications. Although numerous OOD detection methods exist, most of them are empirical. Backed by theoretical analysis, this paper advocates for the…

机器学习 · 计算机科学 2023-10-10 Haowei Lin , Yuntian Gu

Out-of-Distribution (OOD) detection is crucial for the reliable deployment of machine learning models in-the-wild, enabling accurate identification of test samples that differ from the training data distribution. Existing methods rely on…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Ruisong Han , Zongbo Han , Jiahao Zhang , Mingyue Cheng , Changqing Zhang

A crucial requirement for reliable deployment of deep learning models for safety-critical applications is the ability to identify out-of-distribution (OOD) data points, samples which differ from the training data and on which a model might…

机器学习 · 计算机科学 2021-06-11 Dennis Ulmer , Giovanni Cinà

Out-of-distribution (OOD) detection is an indispensable aspect of secure AI when deploying machine learning models in real-world applications. Previous paradigms either explore better scoring functions or utilize the knowledge of outliers…

机器学习 · 计算机科学 2023-06-07 Jianing Zhu , Hengzhuang Li , Jiangchao Yao , Tongliang Liu , Jianliang Xu , Bo Han

We present an analysis of predictive uncertainty based out-of-distribution detection for different approaches to estimate various models' epistemic uncertainty and contrast it with extreme value theory based open set recognition. While the…

机器学习 · 计算机科学 2019-08-27 Martin Mundt , Iuliia Pliushch , Sagnik Majumder , Visvanathan Ramesh

Detecting out-of-distribution (OOD) instances is significant for the safe deployment of NLP models. Among recent textual OOD detection works based on pretrained language models (PLMs), distance-based methods have shown superior performance.…

计算与语言 · 计算机科学 2022-10-17 Sishuo Chen , Xiaohan Bi , Rundong Gao , Xu Sun

Detecting out-of-distribution (OOD) instances is crucial for the reliable deployment of machine learning models in real-world scenarios. OOD inputs are commonly expected to cause a more uncertain prediction in the primary task; however,…

机器学习 · 计算机科学 2024-05-22 Mohammad Azizmalayeri , Ameen Abu-Hanna , Giovanni Cinà