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Real-world data deviating from the independent and identically distributed (i.i.d.) assumption of in-distribution training data poses security threats to deep networks, thus advancing out-of-distribution (OOD) detection algorithms.…

计算与语言 · 计算机科学 2024-10-31 Yiming Wang , Pei Zhang , Baosong Yang , Derek F. Wong , Zhuosheng Zhang , Rui Wang

This paper presents a principled approach for detecting out-of-distribution (OOD) samples in deep neural networks (DNN). Modeling probability distributions on deep features has recently emerged as an effective, yet computationally cheap…

机器学习 · 计算机科学 2020-12-09 Ibrahima Ndiour , Nilesh Ahuja , Omesh Tickoo

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…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Qiuyu Zhu , Yiwei He

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…

Deep neural networks achieve superior performance in challenging tasks such as image classification. However, deep classifiers tend to incorrectly classify out-of-distribution (OOD) inputs, which are inputs that do not belong to the…

机器学习 · 计算机科学 2019-10-24 Vahdat Abdelzad , Krzysztof Czarnecki , Rick Salay , Taylor Denounden , Sachin Vernekar , Buu Phan

Despite outstanding semantic scene segmentation in closed-worlds, deep neural networks segment novel instances poorly, which is required for autonomous agents acting in an open world. To improve out-of-distribution (OOD) detection for…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Meghna Gummadi , Cassandra Kent , Karl Schmeckpeper , Eric Eaton

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

Standard recognition approaches are unable to deal with novel categories at test time. Their overconfidence on the known classes makes the predictions unreliable for safety-critical applications such as healthcare or autonomous driving.…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Lorenzo Li Lu , Giulia D'Ascenzi , Francesco Cappio Borlino , Tatiana Tommasi

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)…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Rajat Koner , Poulami Sinhamahapatra , Karsten Roscher , Stephan Günnemann , Volker Tresp

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…

计算与语言 · 计算机科学 2023-12-29 Hao Lang , Yinhe Zheng , Yixuan Li , Jian Sun , Fei Huang , Yongbin Li

Out-of-distribution (OOD) detection is crucial in many real-world applications. However, intelligent models are often trained solely on in-distribution (ID) data, leading to overconfidence when misclassifying OOD data as ID classes. In this…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Jiankang Chen , Tong Zhang , Wei-Shi Zheng , Ruixuan Wang

As machine learning becomes increasingly prevalent in impactful decisions, recognizing when inference data is outside the model's expected input distribution is paramount for giving context to predictions. Out-of-distribution (OOD)…

机器学习 · 计算机科学 2024-01-19 Anish Lakkapragada , Amol Khanna , Edward Raff , Nathan Inkawhich

Deep neural networks (DNNs) for the semantic segmentation of images are usually trained to operate on a predefined closed set of object classes. This is in contrast to the "open world" setting where DNNs are envisioned to be deployed to.…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Robin Chan , Matthias Rottmann , Hanno Gottschalk

Deep Learning models possess two key traits that, in combination, make their use in the real world a risky prospect. One, they do not typically generalize well outside of the distribution for which they were trained, and two, they tend to…

机器学习 · 计算机科学 2021-09-29 Jonathan S. Kent , Bo Li

Recognizing out-of-distribution (OOD) samples is critical for machine learning systems deployed in the open world. The vast majority of OOD detection methods are driven by a single modality (e.g., either vision or language), leaving the…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Yifei Ming , Ziyang Cai , Jiuxiang Gu , Yiyou Sun , Wei Li , Yixuan Li

We study the problem of Out-of-Distribution (OOD) detection, that is, detecting whether a learning algorithm's output can be trusted at inference time. While a number of tests for OOD detection have been proposed in prior work, a formal…

机器学习 · 统计学 2023-09-19 Akshayaa Magesh , Venugopal V. Veeravalli , Anirban Roy , Susmit Jha

Out-of-distribution (OOD) detection is important for machine learning models deployed in the wild. Recent methods use auxiliary outlier data to regularize the model for improved OOD detection. However, these approaches make a strong…

机器学习 · 计算机科学 2022-06-30 Julian Katz-Samuels , Julia Nakhleh , Robert Nowak , Yixuan Li

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

Recent advancements have explored text-to-image diffusion models for synthesizing out-of-distribution (OOD) samples, substantially enhancing the performance of OOD detection. However, existing approaches typically rely on perturbing…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Xin Gao , Jiyao Liu , Guanghao Li , Yueming Lyu , Jianxiong Gao , Weichen Yu , Ningsheng Xu , Liang Wang , Caifeng Shan , Ziwei Liu , Chenyang Si

The problem of detecting whether a test sample is from in-distribution (i.e., training distribution by a classifier) or out-of-distribution sufficiently different from it arises in many real-world machine learning applications. However, the…

机器学习 · 统计学 2018-02-27 Kimin Lee , Honglak Lee , Kibok Lee , Jinwoo Shin