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Learning robust vision models that perform well in out-of-distribution (OOD) situations is an important task for model deployment in real-world settings. Despite extensive research in this field, many proposed methods have only shown minor…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Gyuseong Lee , Wooseok Jang , Jinhyeon Kim , Jaewoo Jung , Seungryong Kim

Deep neural networks achieve superior performance for learning from independent and identically distributed (i.i.d.) data. However, their performance deteriorates significantly when handling out-of-distribution (OoD) data, where the…

Machine Learning · Computer Science 2023-07-25 Haoyue Bai , Ceyuan Yang , Yinghao Xu , S. -H. Gary Chan , Bolei Zhou

Robustness in AI systems refers to their ability to maintain reliable and accurate performance under various conditions, including out-of-distribution (OOD) samples, adversarial attacks, and environmental changes. This is crucial in…

Artificial Intelligence · Computer Science 2025-10-15 Wissam Salhab , Darine Ameyed , Hamid Mcheick , Fehmi Jaafar

Time series frequently manifest distribution shifts, diverse latent features, and non-stationary learning dynamics, particularly in open and evolving environments. These characteristics pose significant challenges for out-of-distribution…

Machine Learning · Computer Science 2026-05-20 Xin Wu , Fei Teng , Xingwang Li , Ji Zhang , Tianrui Li , Qiang Duan

Out-of-distribution (OOD) detection is critical for ensuring the reliability of deep learning systems, particularly in safety-critical applications. Likelihood-based deep generative models have historically faced criticism for their…

Machine Learning · Computer Science 2025-07-11 Yifan Ding , Arturas Aleksandraus , Amirhossein Ahmadian , Jonas Unger , Fredrik Lindsten , Gabriel Eilertsen

Out-of-distribution detection is a common issue in deploying vision models in practice and solving it is an essential building block in safety critical applications. Most of the existing OOD detection solutions focus on improving the OOD…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Tomas Vojir , Jan Sochman , Rahaf Aljundi , Jiri Matas

This paper reexamines the research on out-of-distribution (OOD) robustness in the field of NLP. We find that the distribution shift settings in previous studies commonly lack adequate challenges, hindering the accurate evaluation of OOD…

Computation and Language · Computer Science 2023-10-27 Lifan Yuan , Yangyi Chen , Ganqu Cui , Hongcheng Gao , Fangyuan Zou , Xingyi Cheng , Heng Ji , Zhiyuan Liu , Maosong Sun

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…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Mohammad Azizmalayeri , Arshia Soltani Moakhar , Arman Zarei , Reihaneh Zohrabi , Mohammad Taghi Manzuri , Mohammad Hossein Rohban

Out-of-distribution (OOD) detection remains challenging for deep learning models, particularly when test-time OOD samples differ significantly from training outliers. We propose OODD, a novel test-time OOD detection method that dynamically…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Yifeng Yang , Lin Zhu , Zewen Sun , Hengyu Liu , Qinying Gu , Nanyang Ye

Detecting out-of-distribution (OOD) data is a fundamental challenge in the deployment of machine learning models. From a security standpoint, this is particularly important because OOD test data can result in misleadingly confident yet…

Machine Learning · Computer Science 2025-02-25 Onat Gungor , Amanda Sofie Rios , Nilesh Ahuja , Tajana Rosing

In recent years, deep neural network (DNN) compression systems have proved to be highly effective for designing source codes for many natural sources. However, like many other machine learning systems, these compressors suffer from…

Machine Learning · Computer Science 2021-10-15 Eric Lei , Hamed Hassani , Shirin Saeedi Bidokhti

Recent research has shown that transformer networks can be used as differentiable search indexes by representing each document as a sequences of document ID tokens. These generative retrieval models cast the retrieval problem to a document…

Information Retrieval · Computer Science 2023-11-16 Hansi Zeng , Chen Luo , Bowen Jin , Sheikh Muhammad Sarwar , Tianxin Wei , Hamed Zamani

Likelihood from a generative model is a natural statistic for detecting out-of-distribution (OoD) samples. However, generative models have been shown to assign higher likelihood to OoD samples compared to ones from the training…

Machine Learning · Computer Science 2019-10-22 Jiaming Song , Yang Song , Stefano Ermon

Despite rapid advances in AI, safety remains the main bottleneck to deploying machine-learning systems. A critical safety component is out-of-distribution detection: given an input, decide whether it comes from the same distribution as the…

Machine Learning · Computer Science 2025-11-06 Joonas Järve , Karl Kaspar Haavel , Meelis Kull

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…

Machine Learning · Computer Science 2023-12-05 Sergey Kolesnikov

"Effective robustness" measures the extra out-of-distribution (OOD) robustness beyond what can be predicted from the in-distribution (ID) performance. Existing effective robustness evaluations typically use a single test set such as…

Machine Learning · Computer Science 2023-10-31 Zhouxing Shi , Nicholas Carlini , Ananth Balashankar , Ludwig Schmidt , Cho-Jui Hsieh , Alex Beutel , Yao Qin

State-of-the-art image classifiers trained on massive datasets (such as ImageNet) have been shown to be vulnerable to a range of both intentional and incidental distribution shifts. On the other hand, several recent classifiers with…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Benjamin Feuer , Ameya Joshi , Chinmay Hegde

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…

Machine Learning · Computer Science 2024-10-16 Qingyang Zhang , Qiuxuan Feng , Joey Tianyi Zhou , Yatao Bian , Qinghua Hu , Changqing Zhang

Although pretrained Transformers such as BERT achieve high accuracy on in-distribution examples, do they generalize to new distributions? We systematically measure out-of-distribution (OOD) generalization for seven NLP datasets by…

Computation and Language · Computer Science 2020-04-17 Dan Hendrycks , Xiaoyuan Liu , Eric Wallace , Adam Dziedzic , Rishabh Krishnan , Dawn Song

Constructing a robust model that can effectively generalize to test samples under distribution shifts remains a significant challenge in the field of medical imaging. The foundational models for vision and language, pre-trained on extensive…