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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 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

This paper presents a novel evaluation framework for Out-of-Distribution (OOD) detection that aims to assess the performance of machine learning models in more realistic settings. We observed that the real-world requirements for testing OOD…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Vahid Reza Khazaie , Anthony Wong , Mohammad Sabokrou

Out-of-distribution (OOD) detection is essential for model trustworthiness which aims to sensitively identify semantic OOD samples and robustly generalize for covariate-shifted OOD samples. However, we discover that the superior OOD…

机器学习 · 计算机科学 2024-10-16 Qingyang Zhang , Qiuxuan Feng , Joey Tianyi Zhou , Yatao Bian , Qinghua Hu , Changqing Zhang

Out-of-distribution (OOD) detection has emerged as a popular technique to enhance the reliability of machine learning models by identifying unexpected inputs from unknown classes. Recent progress in pre-trained vision-language models (VLMs)…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Yuanwei Hu , Bo Peng , Yadan Luo , Zhen Fang , Ling Chen , Jie Lu

Accurate and explainable out-of-distribution (OOD) detection is required to use machine learning systems safely. Previous work has shown that feature distance to decision boundaries can be used to identify OOD data effectively. In this…

机器学习 · 计算机科学 2025-08-15 Maria Stoica , Francesco Leofante , Alessio Lomuscio

Effective out-of-distribution (OOD) detection is crucial for reliable machine learning models, yet most current methods are limited in practical use due to requirements like access to training data or intervention in training. We present a…

机器学习 · 计算机科学 2024-03-13 Fran Jelenić , Josip Jukić , Martin Tutek , Mate Puljiz , Jan Šnajder

Out-of-distribution (OOD) detection plays a vital role in enhancing the reliability of machine learning (ML) models. The emergence of large language models (LLMs) has catalyzed a paradigm shift within the ML community, showcasing their…

计算与语言 · 计算机科学 2024-04-17 Bo Liu , Liming Zhan , Zexin Lu , Yujie Feng , Lei Xue , Xiao-Ming Wu

Out-of-distribution (OOD) detection lies at the heart of robust artificial intelligence (AI), aiming to identify samples from novel distributions beyond the training set. Recent approaches have exploited feature representations as…

机器学习 · 计算机科学 2025-08-06 Tarhib Al Azad , Faizul Rakib Sayem , Shahana Ibrahim

3D object detection is an essential part of automated driving, and deep neural networks (DNNs) have achieved state-of-the-art performance for this task. However, deep models are notorious for assigning high confidence scores to…

计算机视觉与模式识别 · 计算机科学 2022-09-30 Chengjie Huang , Van Duong Nguyen , Vahdat Abdelzad , Christopher Gus Mannes , Luke Rowe , Benjamin Therien , Rick Salay , Krzysztof Czarnecki

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

Outlier detection tasks have been playing a critical role in AI safety. There has been a great challenge to deal with this task. Observations show that deep neural network classifiers usually tend to incorrectly classify out-of-distribution…

机器学习 · 计算机科学 2022-09-27 Jingyang Lin , Yu Wang , Qi Cai , Yingwei Pan , Ting Yao , Hongyang Chao , Tao Mei

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

Deep neural networks have demonstrated great generalization capabilities for tasks whose training and test sets are drawn from the same distribution. Nevertheless, out-of-distribution (OOD) detection remains a challenging task that has…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Brian K. S. Isaac-Medina , Toby P. Breckon

Our work investigates out-of-distribution (OOD) detection as a neural network output explanation problem. We learn a heatmap representation for detecting OOD images while visualizing in- and out-of-distribution image regions at the same…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Julia Hornauer , Vasileios Belagiannis

Out-of-distribution (OOD) detection plays a crucial role in ensuring the safe deployment of deep neural network (DNN) classifiers. While a myriad of methods have focused on improving the performance of OOD detectors, a critical gap remains…

机器学习 · 计算机科学 2023-06-07 Jihye Choi , Jayaram Raghuram , Ryan Feng , Jiefeng Chen , Somesh Jha , Atul Prakash

A serious problem in image classification is that a trained model might perform well for input data that originates from the same distribution as the data available for model training, but performs much worse for out-of-distribution (OOD)…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Rajat Koner , Poulami Sinhamahapatra , Karsten Roscher , Stephan Günnemann , Volker Tresp

Out-of-distribution (OOD) learning often relies heavily on statistical approaches or predefined assumptions about OOD data distributions, hindering their efficacy in addressing multifaceted challenges of OOD generalization and OOD detection…

机器学习 · 计算机科学 2024-08-16 Haoyue Bai , Xuefeng Du , Katie Rainey , Shibin Parameswaran , Yixuan Li

Out-of-distribution (OOD) detection has recently gained substantial attention due to the importance of identifying out-of-domain samples in reliability and safety. Although OOD detection methods have advanced by a great deal, they are still…

计算机视觉与模式识别 · 计算机科学 2022-10-03 Mohammad Azizmalayeri , Arshia Soltani Moakhar , Arman Zarei , Reihaneh Zohrabi , Mohammad Taghi Manzuri , Mohammad Hossein Rohban

We introduce powerful ideas from Hyperdimensional Computing into the challenging field of Out-of-Distribution (OOD) detection. In contrast to most existing work that performs OOD detection based on only a single layer of a neural network,…

计算机视觉与模式识别 · 计算机科学 2022-08-31 Samuel Wilson , Tobias Fischer , Niko Sünderhauf , Feras Dayoub