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Related papers: Your Out-of-Distribution Detection Method is Not R…

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To detect distribution shifts and improve model safety, many out-of-distribution (OOD) detection methods rely on the predictive uncertainty or features of supervised models trained on in-distribution data. In this paper, we critically…

Machine Learning · Computer Science 2025-07-03 Yucen Lily Li , Daohan Lu , Polina Kirichenko , Shikai Qiu , Tim G. J. Rudner , C. Bayan Bruss , Andrew Gordon Wilson

The ability to detect objects that are not prevalent in the training set is a critical capability in many 3D applications, including autonomous driving. Machine learning methods for object recognition often assume that all object categories…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Zizhao Li , Xueyang Kang , Joseph West , Kourosh Khoshelham

One of the challenges for neural networks in real-life applications is the overconfident errors these models make when the data is not from the original training distribution. Addressing this issue is known as Out-of-Distribution (OOD)…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Sina Sharifi , Taha Entesari , Bardia Safaei , Vishal M. Patel , Mahyar Fazlyab

Out-of-distribution (OOD) detection is a crucial task for ensuring the reliability and robustness of machine learning models. Recent works have shown that generative models often assign high confidence scores to OOD samples, indicating that…

Machine Learning · Computer Science 2023-11-29 Rui Sun , Andi Zhang , Haiming Zhang , Jinke Ren , Yao Zhu , Ruimao Zhang , Shuguang Cui , Zhen Li

Reliable out-of-distribution (OOD) detection is a critical requirement for the safe deployment of machine learning systems. Despite recent progress, state-of-the-art OOD detectors are highly susceptible to adversarial attacks, which…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Maria Stoica , Abdelrahman Hekal , Alessio Lomuscio

Out-of-distribution (OoD) detection is a natural downstream task for deep generative models, due to their ability to learn the input probability distribution. There are mainly two classes of approaches for OoD detection using deep…

Machine Learning · Computer Science 2019-07-11 Yujia Huang , Sihui Dai , Tan Nguyen , Richard G. Baraniuk , Anima Anandkumar

It is an important problem in trustworthy machine learning to recognize out-of-distribution (OOD) inputs which are inputs unrelated to the in-distribution task. Many out-of-distribution detection methods have been suggested in recent years.…

Machine Learning · Computer Science 2022-06-22 Julian Bitterwolf , Alexander Meinke , Maximilian Augustin , Matthias Hein

Since the seminal paper of Hendrycks et al. arXiv:1610.02136, Post-hoc deep Out-of-Distribution (OOD) detection has expanded rapidly. As a result, practitioners working on safety-critical applications and seeking to improve the robustness…

Machine Learning · Statistics 2024-07-11 Paul Novello , Yannick Prudent , Joseba Dalmau , Corentin Friedrich , Yann Pequignot

Out-of-distribution (OOD) detection is essential for the reliable and safe deployment of machine learning systems in the real world. Great progress has been made over the past years. This paper presents the first review of recent advances…

Computation and Language · Computer Science 2023-12-29 Hao Lang , Yinhe Zheng , Yixuan Li , Jian Sun , Fei Huang , Yongbin Li

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

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…

Machine Learning · Computer Science 2025-04-04 Litian Liu , Yao Qin

The ability to detect unfamiliar or unexpected images is essential for safe deployment of computer vision systems. In the context of classification, the task of detecting images outside of a model's training domain is known as…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Galadrielle Humblot-Renaux , Sergio Escalera , Thomas B. Moeslund

Out-of-distribution (OOD) detection recently has drawn attention due to its critical role in the safe deployment of modern neural network architectures in real-world applications. The OOD detectors aim to distinguish samples that lie…

Signal Processing · Electrical Eng. & Systems 2023-06-16 Sabri Mustafa Kahya , Muhammet Sami Yavuz , Eckehard Steinbach

In the dynamic realms of machine learning and deep learning, the robustness and reliability of models are paramount, especially in critical real-world applications. A fundamental challenge in this sphere is managing Out-of-Distribution…

Machine Learning · Computer Science 2024-03-07 Yingrui Ji , Yao Zhu , Zhigang Li , Jiansheng Chen , Yunlong Kong , Jingbo Chen

The ability of a deep learning network to distinguish between in-distribution (ID) and out-of-distribution (OOD) inputs is crucial for ensuring the reliability and trustworthiness of AI systems. Existing OOD detection methods often involve…

Machine Learning · Computer Science 2024-12-25 Gagandeep Singh , Ishan Mishra , Deepak Mishra

Out-of-distribution (OOD) detection is essential for the reliability of ML models. Most existing methods for OOD detection learn a fixed decision criterion from a given in-distribution dataset and apply it universally to decide if a data…

Machine Learning · Computer Science 2023-11-29 YiFan Zhang , Xue Wang , Tian Zhou , Kun Yuan , Zhang Zhang , Liang Wang , Rong Jin , Tieniu Tan

One key challenge in Out-of-Distribution (OOD) detection is the absence of ground-truth OOD samples during training. One principled approach to address this issue is to use samples from external datasets as outliers (i.e., pseudo OOD…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Wenjun Miao , Guansong Pang , Jin Zheng , Xiao Bai

Detecting deepfakes has become a critical challenge in Computer Vision and Artificial Intelligence. Despite significant progress in detection techniques, generalizing them to open-set scenarios continues to be a persistent difficulty.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Luca Maiano , Fabrizio Casadei , Irene Amerini

By design, discriminatively trained neural network classifiers produce reliable predictions only for in-distribution samples. For their real-world deployments, detecting out-of-distribution (OOD) samples is essential. Assuming OOD to be…

Machine Learning · Computer Science 2019-10-11 Sachin Vernekar , Ashish Gaurav , Vahdat Abdelzad , Taylor Denouden , Rick Salay , Krzysztof Czarnecki

Out-of-distribution (OOD) detection is a critical task for ensuring the reliability and safety of deep neural networks in real-world scenarios. Different from most previous OOD detection methods that focus on designing OOD scores or…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yao Zhu , YueFeng Chen , Chuanlong Xie , Xiaodan Li , Rong Zhang , Hui Xue , Xiang Tian , bolun zheng , Yaowu Chen