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Deep neural networks are susceptible to generating overconfident yet erroneous predictions when presented with data beyond known concepts. This challenge underscores the importance of detecting out-of-distribution (OOD) samples in the open…

计算机视觉与模式识别 · 计算机科学 2023-08-31 Yiye Chen , Yunzhi Lin , Ruinian Xu , Patricio A. Vela

Identifying out-of-distribution (OOD) data at inference time is crucial for many machine learning applications, especially for automation. We present a novel unsupervised semi-parametric framework COMBOOD for OOD detection with respect to…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Magesh Rajasekaran , Md Saiful Islam Sajol , Frej Berglind , Supratik Mukhopadhyay , Kamalika Das

Out-of-distribution (OOD) detection is crucial for the safe deployment of neural networks. Existing CLIP-based approaches perform OOD detection by devising novel scoring functions or sophisticated fine-tuning methods. In this work, we…

计算与语言 · 计算机科学 2024-11-06 Yixia Li , Boya Xiong , Guanhua Chen , Yun Chen

We propose a novel inference-time out-of-domain (OOD) detection algorithm for specialized large language models (LLMs). Despite achieving state-of-the-art performance on in-domain tasks through fine-tuning, specialized LLMs remain…

计算与语言 · 计算机科学 2025-09-17 Ayush Gupta , Ramneet Kaur , Anirban Roy , Adam D. Cobb , Rama Chellappa , Susmit Jha

Out-of-Distribution (OOD) detection in semantic segmentation aims to localize anomalous regions at the pixel level, advancing beyond traditional image-level OOD techniques to better suit real-world applications such as autonomous driving.…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Nimeshika Udayangani , Sarah Erfani , Christopher Leckie

Many neural network-based out-of-distribution (OoD) detection methods have been proposed. However, they require many training data for each target task. We propose a simple yet effective meta-learning method to detect OoD with small…

机器学习 · 统计学 2022-06-22 Tomoharu Iwata , Atsutoshi Kumagai

Recent developments for Semi-Supervised Object Detection (SSOD) have shown the promise of leveraging unlabeled data to improve an object detector. However, thus far these methods have assumed that the unlabeled data does not contain…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Yen-Cheng Liu , Chih-Yao Ma , Xiaoliang Dai , Junjiao Tian , Peter Vajda , Zijian He , Zsolt Kira

Image segmentation relies heavily on neural networks which are known to be overconfident, especially when making predictions on out-of-distribution (OOD) images. This is a common scenario in the medical domain due to variations in…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Kilian Zepf , Selma Wanna , Marco Miani , Juston Moore , Jes Frellsen , Søren Hauberg , Frederik Warburg , Aasa Feragen

Existing methods for graph out-of-distribution (OOD) detection typically depend on training graph neural network (GNN) classifiers using a substantial amount of labeled in-distribution (ID) data. However, acquiring high-quality labeled…

机器学习 · 计算机科学 2025-03-31 Haoyan Xu , Zhengtao Yao , Yushun Dong , Ziyi Wang , Ryan A. Rossi , Mengyuan Li , Yue Zhao

In this paper, we tackle the detection of out-of-distribution (OOD) objects in semantic segmentation. By analyzing the literature, we found that current methods are either accurate or fast but not both which limits their usability in real…

计算机视觉与模式识别 · 计算机科学 2021-08-04 Victor Besnier , Andrei Bursuc , David Picard , Alexandre Briot

As machine learning models continue to achieve impressive performance across different tasks, the importance of effective anomaly detection for such models has increased as well. It is common knowledge that even well-trained models lose…

机器学习 · 计算机科学 2023-02-23 Ramneet Kaur , Xiayan Ji , Souradeep Dutta , Michele Caprio , Yahan Yang , Elena Bernardis , Oleg Sokolsky , Insup Lee

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…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Yifeng Yang , Lin Zhu , Zewen Sun , Hengyu Liu , Qinying Gu , Nanyang Ye

Pre-trained vision-language models have exhibited remarkable abilities in detecting out-of-distribution (OOD) samples. However, some challenging OOD samples, which lie close to in-distribution (InD) data in image feature space, can still…

计算机视觉与模式识别 · 计算机科学 2025-08-22 Jinglun Li , Kaixun Jiang , Zhaoyu Chen , Bo Lin , Yao Tang , Weifeng Ge , Wenqiang Zhang

Text-attributed graphs, where nodes are enriched with textual attributes, have become a powerful tool for modeling real-world networks such as citation, social, and transaction networks. However, existing methods for learning from these…

人工智能 · 计算机科学 2026-03-24 Xiaoxu Ma , Dong Li , Minglai Shao , Xintao Wu , Chen Zhao

Out-of-distribution (OOD) detection is critical for deploying image classifiers in safety-sensitive environments, yet existing detectors often struggle when OOD samples are semantically similar to the in-distribution (ID) classes. We…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Yuanchao Wang , Tian Qin , Eduardo Valle , Bruno Abrahao

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

In recent years, research on out-of-distribution (OoD) detection for semantic segmentation has mainly focused on road scenes -- a domain with a constrained amount of semantic diversity. In this work, we challenge this constraint and extend…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Silvio Galesso , Philipp Schröppel , Hssan Driss , Thomas Brox

This paper proposes a novel out-of-distribution (OOD) detection framework named MoodCat for image classifiers. MoodCat masks a random portion of the input image and uses a generative model to synthesize the masked image to a new image…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Yijun Yang , Ruiyuan Gao , Qiang Xu

In echocardiographic view classification, accurately detecting out-of-distribution (OOD) data is essential but challenging, especially given the subtle differences between in-distribution and OOD data. While conventional OOD detection…

Out-of-Distribution (OOD) detection is a critical task that has garnered significant attention. The emergence of CLIP has spurred extensive research into zero-shot OOD detection, often employing a training-free approach. Current methods…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Haoran Xu , Yanlin Liu , Zizhao Tong , Jiaze Li , Kexue Fu , Yuyang Zhang , Longxiang Gao , Shuaiguang Li , Xingyu Li , Yanran Xu , Changwei Wang