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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) detection has received much attention lately due to its practical importance in enhancing the safe deployment of neural networks. One of the primary challenges is that models often produce highly confident…

机器学习 · 计算机科学 2021-11-29 Yiyou Sun , Chuan Guo , Yixuan Li

Out-Of-Distribution (OOD) detection has received broad attention over the years, aiming to ensure the reliability and safety of deep neural networks (DNNs) in real-world scenarios by rejecting incorrect predictions. However, we notice a…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Yao Zhu , Yuefeng Chen , Xiaodan Li , Rong Zhang , Hui Xue , Xiang Tian , Rongxin Jiang , Bolun Zheng , Yaowu Chen

Out-of-distribution (OOD) detection is essential to prevent anomalous inputs from causing a model to fail during deployment. While improved OOD detection methods have emerged, they often rely on the final layer outputs and require a full…

计算机视觉与模式识别 · 计算机科学 2021-05-03 Ziqian Lin , Sreya Dutta Roy , Yixuan Li

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

Few-shot Out-of-Distribution (OOD) detection has emerged as a critical research direction in machine learning for practical deployment. Most existing Few-shot OOD detection methods suffer from insufficient generalization capability for the…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Pinxuan Li , Bing Cao , Changqing Zhang , Qinghua Hu

Recent white-box OOD detection methods for LLMs -- including CED, RAUQ, and WildGuard confidence scores -- appear effective, but we show they are structurally confounded by sequence length (|r| >= 0.61) and collapse to near-chance under…

计算与语言 · 计算机科学 2026-05-04 Hamidreza Saghir

Robustness against Out-of-Distribution (OoD) samples is a key performance indicator of a trajectory prediction model. However, the development and ranking of state-of-the-art (SotA) models are driven by their In-Distribution (ID)…

机器学习 · 计算机科学 2025-01-28 Yue Yao , Shengchao Yan , Daniel Goehring , Wolfram Burgard , Joerg Reichardt

Out-of-distribution detection (OOD) is a pivotal task for real-world applications that trains models to identify samples that are distributionally different from the in-distribution (ID) data during testing. Recent advances in AI,…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Chaohua Li , Enhao Zhang , Chuanxing Geng , Songcan Chen

Deep neural networks have significantly contributed to the success in predictive accuracy for classification tasks. However, they tend to make over-confident predictions in real-world settings, where domain shifting and out-of-distribution…

人工智能 · 计算机科学 2021-07-16 Yibo Hu , Latifur Khan

Out-of-distribution (OOD) detection is an essential approach to robustifying deep learning models, enabling them to identify inputs that fall outside of their trained distribution. Existing OOD detection methods usually depend on crafted…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Yifan Wu , Xichen Ye , Songmin Dai , Dengye Pan , Xiaoqiang Li , Weizhong Zhang , Yifan Chen

Trajectory prediction is central to the safe and seamless operation of autonomous vehicles (AVs). In deployment, however, prediction models inevitably face distribution shifts between training data and real-world conditions, where rare or…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Tongfei Guo , Lili Su

Deep generative models have been demonstrated as state-of-the-art density estimators. Yet, recent work has found that they often assign a higher likelihood to data from outside the training distribution. This seemingly paradoxical behavior…

机器学习 · 计算机科学 2022-01-19 Jakob D. Havtorn , Jes Frellsen , Søren Hauberg , Lars Maaløe

The ability to detect out-of-distribution (OOD) samples is vital to secure the reliability of deep neural networks in real-world applications. Considering the nature of OOD samples, detection methods should not have hyperparameters that…

计算机视觉与模式识别 · 计算机科学 2019-11-27 Engkarat Techapanurak , Masanori Suganuma , Takayuki Okatani

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

Detecting out-of-distribution (OOD) graphs is crucial for ensuring the safety and reliability of Graph Neural Networks. In unsupervised graph-level OOD detection, models are typically trained using only in-distribution (ID) data, resulting…

机器学习 · 计算机科学 2026-03-03 Li Sun , Lanxu Yang , Jiayu Tian , Bowen Fang , Xiaoyan Yu , Junda Ye , Peng Tang , Hao Peng , Philip S. Yu

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

Recent studies have addressed the concern of detecting and rejecting the out-of-distribution (OOD) samples as a major challenge in the safe deployment of deep learning (DL) models. It is desired that the DL model should only be confident…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Umar Khalid , Ashkan Esmaeili , Nazmul Karim , Nazanin Rahnavard

Out-of-distribution (OOD) detection is the task of identifying data sampled from distributions that were not used during training. This task is essential for reliable machine learning and a better understanding of their generalization…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Kohei Fukuda , Hiroaki Aizawa

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