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相关论文: Detecting semantic anomalies

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Out-of-distribution detection (OOD) deals with anomalous input to neural networks. In the past, specialized methods have been proposed to reject predictions on anomalous input. Similarly, it was shown that feature extraction models in…

机器学习 · 计算机科学 2022-01-25 Jan Diers , Christian Pigorsch

The primary goal of out-of-distribution (OOD) detection tasks is to identify inputs with semantic shifts, i.e., if samples from novel classes are absent in the in-distribution (ID) dataset used for training, we should reject these OOD…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Xingming Long , Jie Zhang , Shiguang Shan , Xilin Chen

The task of out-of-distribution (OOD) detection is notoriously ill-defined. Earlier works focused on new-class detection, aiming to identify label-altering data distribution shifts, also known as "semantic shift." However, recent works…

计算机视觉与模式识别 · 计算机科学 2024-03-20 William Yang , Byron Zhang , Olga Russakovsky

Most classification and segmentation datasets assume a closed-world scenario in which predictions are expressed as distribution over a predetermined set of visual classes. However, such assumption implies unavoidable and often unnoticeable…

计算机视觉与模式识别 · 计算机科学 2018-10-02 Petra Bevandić , Ivan Krešo , Marin Oršić , Siniša Šegvić

Out-of-distribution (OOD) detection is crucial for ensuring reliable deployment of machine learning models. Recent advancements focus on utilizing easily accessible auxiliary outliers (e.g., data from the web or other datasets) in training.…

机器学习 · 计算机科学 2024-11-22 Haiyun Yao , Zongbo Han , Huazhu Fu , Xi Peng , Qinghua Hu , Changqing Zhang

The detection of out of distribution samples for image classification has been widely researched. Safety critical applications, such as autonomous driving, would benefit from the ability to localise the unusual objects causing the image to…

计算机视觉与模式识别 · 计算机科学 2019-11-11 Matt Angus , Krzysztof Czarnecki , Rick Salay

Supervised learning aims to train a classifier under the assumption that training and test data are from the same distribution. To ease the above assumption, researchers have studied a more realistic setting: out-of-distribution (OOD)…

机器学习 · 计算机科学 2023-02-28 Zhen Fang , Yixuan Li , Jie Lu , Jiahua Dong , Bo Han , Feng Liu

Despite machine learning models' success in Natural Language Processing (NLP) tasks, predictions from these models frequently fail on out-of-distribution (OOD) samples. Prior works have focused on developing state-of-the-art methods for…

计算与语言 · 计算机科学 2021-11-30 Dyah Adila , Dongyeop Kang

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

Detecting out-of-distribution (OOD) data is critical for machine learning, be it for safety reasons or to enable open-ended learning. However, beyond mere detection, choosing an appropriate course of action typically hinges on the type of…

机器学习 · 计算机科学 2026-04-28 Achref Jaziri , Martin Rogmann , Martin Mundt , Visvanathan Ramesh

Out-of-distribution (OOD) testing is increasingly popular for evaluating a machine learning system's ability to generalize beyond the biases of a training set. OOD benchmarks are designed to present a different joint distribution of data…

计算机视觉与模式识别 · 计算机科学 2020-05-20 Damien Teney , Kushal Kafle , Robik Shrestha , Ehsan Abbasnejad , Christopher Kanan , Anton van den Hengel

Most existing out-of-distribution (OOD) detection benchmarks classify samples with novel labels as the OOD data. However, some marginal OOD samples actually have close semantic contents to the in-distribution (ID) sample, which makes…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Xingming Long , Jie Zhang , Shiguang Shan , Xilin Chen

Applying machine learning to increasingly high-dimensional problems with sparse or biased training data increases the risk that a model is used on inputs outside its training domain. For such out-of-distribution (OOD) inputs, the model can…

机器学习 · 计算机科学 2025-03-10 Juniper Tyree , Andreas Rupp , Petri S. Clusius , Michael H. Boy

Out-of-distribution (OOD) detection represents a critical challenge in remote sensing applications, where reliable identification of novel or anomalous patterns is essential for autonomous monitoring, disaster response, and environmental…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Chenhao Wang , Yingrui Ji , Yu Meng , Yunjian Zhang , Yao Zhu

Machine learning models often encounter samples that are diverged from the training distribution. Failure to recognize an out-of-distribution (OOD) sample, and consequently assign that sample to an in-class label significantly compromises…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Mohammadreza Salehi , Hossein Mirzaei , Dan Hendrycks , Yixuan Li , Mohammad Hossein Rohban , Mohammad Sabokrou

Out-of-distribution (OOD) detection is committed to delineating the classification boundaries between in-distribution (ID) and OOD images. Recent advances in vision-language models (VLMs) have demonstrated remarkable OOD detection…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Zhixia He , Chen Zhao , Minglai Shao , Xintao Wu , Xujiang Zhao , Dong Li , Qin Tian , Linlin Yu

We reconsider the evaluation of OOD detection methods for image recognition. Although many studies have been conducted so far to build better OOD detection methods, most of them follow Hendrycks and Gimpel's work for the method of…

计算机视觉与模式识别 · 计算机科学 2021-01-08 Engkarat Techapanurak , Takayuki Okatani

It is crucial to detect when an instance lies downright too far from the training samples for the machine learning model to be trusted, a challenge known as out-of-distribution (OOD) detection. For neural networks, one approach to this task…

With recent advancements in artificial intelligence, its applications can be seen in every aspect of humans' daily life. From voice assistants to mobile healthcare and autonomous driving, we rely on the performance of AI methods for many…

机器学习 · 计算机科学 2022-09-28 Navid Ghassemi , Ehsan Fazl-Ersi

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…