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相关论文: Rethinking Out-of-Distribution Detection for Reinf…

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Detecting out-of-distribution (OOD) samples plays a key role in open-world and safety-critical applications such as autonomous systems and healthcare. Recently, self-supervised representation learning techniques (via contrastive learning…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Sina Mohseni , Arash Vahdat , Jay Yadawa

Recent object detectors have achieved impressive accuracy in identifying objects seen during training. However, real-world deployment often introduces novel and unexpected objects, referred to as out-of-distribution (OOD) objects, posing…

Despite agreement on the importance of detecting out-of-distribution (OOD) examples, there is little consensus on the formal definition of OOD examples and how to best detect them. We categorize these examples by whether they exhibit a…

计算与语言 · 计算机科学 2021-12-16 Udit Arora , William Huang , He He

Neural networks are known to produce over-confident predictions on input images, even when these images are out-of-distribution (OOD) samples. This limits the applications of neural network models in real-world scenarios, where OOD samples…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Ke Fan , Yikai Wang , Qian Yu , Da Li , Yanwei Fu

Data outside the problem domain poses significant threats to the security of AI-based intelligent systems. Aiming to investigate the data domain and out-of-distribution (OOD) data in AI quality management (AIQM) study, this paper proposes…

人工智能 · 计算机科学 2023-10-13 Tinghui Ouyang , Isao Echizen , Yoshiki Seo

Out-of-distribution (OOD) detection is crucial for deploying robust machine learning models, especially in areas where security is critical. However, traditional OOD detection methods often fail to capture complex data distributions from…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Armando Zhu , Jiabei Liu , Keqin Li , Shuying Dai , Bo Hong , Peng Zhao , Changsong Wei

Deep Reinforcement Learning (DRL) has demonstrated strong performance in robotic control but remains susceptible to out-of-distribution (OOD) states, often resulting in unreliable actions and task failure. While previous methods have…

机器人学 · 计算机科学 2025-03-31 Chan Kim , Seung-Woo Seo , Seong-Woo Kim

Many neural network-based out-of-distribution (OoD) detection methods have been proposed. However, they require many training data for each target task. We propose a simple yet effective meta-learning method to detect OoD with small…

机器学习 · 统计学 2022-06-22 Tomoharu Iwata , Atsutoshi Kumagai

When deploying a trained machine learning model in the real world, it is inevitable to receive inputs from out-of-distribution (OOD) sources. For instance, in continual learning settings, it is common to encounter OOD samples due to the…

机器学习 · 计算机科学 2024-01-23 Chuanwen Feng , Wenlong Chen , Ao Ke , Yilong Ren , Xike Xie , S. Kevin Zhou

Out-of-distribution (OOD) detection is essential for determining when a supervised model encounters inputs that differ meaningfully from its training distribution. While widely studied in classification, OOD detection for regression and…

机器学习 · 统计学 2025-12-16 Min Lu , Hemant Ishwaran

Detecting and rejecting unknown out-of-distribution (OOD) samples is critical for deployed neural networks to void unreliable predictions. In real-world scenarios, however, the efficacy of existing OOD detection methods is often impeded by…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Kai Liu , Zhihang Fu , Sheng Jin , Chao Chen , Ze Chen , Rongxin Jiang , Fan Zhou , Yaowu Chen , Jieping Ye

Deep neural networks have achieved great success in classification tasks during the last years. However, one major problem to the path towards artificial intelligence is the inability of neural networks to accurately detect samples from…

机器学习 · 计算机科学 2021-03-16 Aristotelis-Angelos Papadopoulos , Mohammad Reza Rajati , Nazim Shaikh , Jiamian Wang

Out-of-distribution (OOD) detection is crucial for the safe deployment of neural networks. Existing CLIP-based approaches perform OOD detection by devising novel scoring functions or sophisticated fine-tuning methods. In this work, we…

计算与语言 · 计算机科学 2024-11-06 Yixia Li , Boya Xiong , Guanhua Chen , Yun Chen

As machine learning models continue to achieve impressive performance across different tasks, the importance of effective anomaly detection for such models has increased as well. It is common knowledge that even well-trained models lose…

机器学习 · 计算机科学 2023-02-23 Ramneet Kaur , Xiayan Ji , Souradeep Dutta , Michele Caprio , Yahan Yang , Elena Bernardis , Oleg Sokolsky , Insup Lee

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

Out-of-distribution (OOD) detection is a well-studied topic in supervised learning. Extending the successes in supervised learning methods to the reinforcement learning (RL) setting, however, is difficult due to the data generating process…

机器学习 · 计算机科学 2021-11-01 Sumedh A Sontakke , Stephen Iota , Zizhao Hu , Arash Mehrjou , Laurent Itti , Bernhard Schölkopf

Out-of-Distribution (OOD) detection is critical for safe deployment; however, existing detectors often struggle to generalize across datasets of varying scales and model architectures, and some can incur high computational costs in…

机器学习 · 计算机科学 2025-04-04 Litian Liu , Yao Qin

We evaluate the out-of-distribution (OOD) detection performance of self-supervised learning (SSL) techniques with a new evaluation framework. Unlike the previous evaluation methods, the proposed framework adjusts the distance of OOD samples…

机器学习 · 计算机科学 2021-10-19 Jeonghoon Park , Kyungmin Jo , Daehoon Gwak , Jimin Hong , Jaegul Choo , Edward Choi

Deep neural networks have attained remarkable performance when applied to data that comes from the same distribution as that of the training set, but can significantly degrade otherwise. Therefore, detecting whether an example is…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Yen-Chang Hsu , Yilin Shen , Hongxia Jin , Zsolt Kira

As language models become more general purpose, increased attention needs to be paid to detecting out-of-distribution (OOD) instances, i.e., those not belonging to any of the distributions seen during training. Existing methods for…

机器学习 · 计算机科学 2024-07-19 Aryan Gulati , Xingjian Dong , Carlos Hurtado , Sarath Shekkizhar , Swabha Swayamdipta , Antonio Ortega