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Detecting out-of-distribution (OOD) samples for trusted medical image segmentation remains a significant challenge. The critical issue here is the lack of a strict definition of abnormal data, which often results in artificial problem…

Image and Video Processing · Electrical Eng. & Systems 2023-08-16 Anton Vasiliuk , Daria Frolova , Mikhail Belyaev , Boris Shirokikh

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…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Yao Zhu , Yuefeng Chen , Xiaodan Li , Rong Zhang , Hui Xue , Xiang Tian , Rongxin Jiang , Bolun Zheng , Yaowu Chen

Methods for out-of-distribution (OOD) detection that scale to 3D data are crucial components of any real-world clinical deep learning system. Classic denoising diffusion probabilistic models (DDPMs) have been recently proposed as a robust…

Out-of-distribution (OOD) detection is crucial for the deployment of machine learning models in the open world. While existing OOD detectors are effective in identifying OOD samples that deviate significantly from in-distribution (ID) data,…

Machine Learning · Computer Science 2024-12-10 Hao Fu , Prashanth Krishnamurthy , Siddharth Garg , Farshad Khorrami

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)…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Rajat Koner , Poulami Sinhamahapatra , Karsten Roscher , Stephan Günnemann , Volker Tresp

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

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

Out-of-distribution (OOD) detection aims to identify test examples that do not belong to the training distribution and are thus unlikely to be predicted reliably. Despite a plethora of existing works, most of them focused only on the…

Machine Learning · Computer Science 2023-11-07 Reza Averly , Wei-Lun Chao

In a clinical setting it is essential that deployed image processing systems are robust to the full range of inputs they might encounter and, in particular, do not make confidently wrong predictions. The most popular approach to safe…

Out-of-distribution (OOD) detection is crucial for the safety and reliability of artificial intelligence algorithms, especially in the medical domain. In the context of the Medical OOD (MOOD) detection challenge 2023, we propose a pipeline…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Evi M. C. Huijben , Sina Amirrajab , Josien P. W. Pluim

Advancements in synthesized speech have created a growing threat of impersonation, making it crucial to develop deepfake algorithm recognition. One significant aspect is out-of-distribution (OOD) detection, which has gained notable…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-05 Renmingyue Du , Jixun Yao , Qiuqiang Kong , Yin Cao

Pretrained Transformers achieve remarkable performance when training and test data are from the same distribution. However, in real-world scenarios, the model often faces out-of-distribution (OOD) instances that can cause severe semantic…

Computation and Language · Computer Science 2022-01-24 Wenxuan Zhou , Fangyu Liu , Muhao Chen

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

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

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…

Machine Learning · Computer Science 2021-11-29 Yiyou Sun , Chuan Guo , Yixuan Li

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…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Kai Liu , Zhihang Fu , Sheng Jin , Chao Chen , Ze Chen , Rongxin Jiang , Fan Zhou , Yaowu Chen , Jieping Ye

Out-of-distribution (OOD) detection is the problem of identifying inputs which are unrelated to the in-distribution task. The OOD detection performance when the in-distribution (ID) is ImageNet-1K is commonly being tested on a small range…

Machine Learning · Computer Science 2023-06-02 Julian Bitterwolf , Maximilian Müller , Matthias Hein

Out-of-distribution (OOD) detection, crucial for reliable pattern classification, discerns whether a sample originates outside the training distribution. This paper concentrates on the high-dimensional features output by the final…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Qiuyu Zhu , Yiwei He

Sparse-View CT (SVCT) reconstruction enhances temporal resolution and reduces radiation dose, yet its clinical use is hindered by artifacts due to view reduction and domain shifts from scanner, protocol, or anatomical variations, leading to…

Image and Video Processing · Electrical Eng. & Systems 2026-04-24 Haodong Li , Shuo Han , Haiyang Mao , Yu Shi , Changsheng Fang , Jianjia Zhang , Weiwen Wu , Hengyong Yu

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…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Vahid Reza Khazaie , Anthony Wong , Mohammad Sabokrou