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This thesis makes considerable contributions to the realm of machine learning, specifically in the context of open-world scenarios where systems face previously unseen data and contexts. Traditional machine learning models are usually…

Machine Learning · Computer Science 2023-10-11 Yiyou Sun

Machine learning methods must be trusted to make appropriate decisions in real-world environments, even when faced with out-of-distribution (OOD) samples. Many current approaches simply aim to detect OOD examples and alert the user when an…

Machine Learning · Computer Science 2022-09-13 Randolph Linderman , Jingyang Zhang , Nathan Inkawhich , Hai Li , Yiran Chen

Zero-shot out-of-vocabulary detection (ZS-OOVD) aims to accurately recognize objects of in-vocabulary (IV) categories provided at zero-shot inference, while simultaneously rejecting undefined ones (out-of-vocabulary, OOV) that lack…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Binyi Su , Chenghao Huang , Haiyong Chen

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

Out-of-distribution (OOD) detection aims to detect "unknown" data whose labels have not been seen during the in-distribution (ID) training process. Recent progress in representation learning gives rise to distance-based OOD detection that…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Ji Zhang , Lianli Gao , Bingguang Hao , Hao Huang , Jingkuan Song , Hengtao Shen

Out-of-distribution (OOD) detection aims at identifying samples from unknown classes, playing a crucial role in trustworthy models against errors on unexpected inputs. Extensive research has been dedicated to exploring OOD detection in the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Xue Jiang , Feng Liu , Zhen Fang , Hong Chen , Tongliang Liu , Feng Zheng , Bo Han

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…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Victor Besnier , Andrei Bursuc , David Picard , Alexandre Briot

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

Robust out-of-distribution (OOD) detection is an indispensable component of modern artificial intelligence (AI) systems, especially in safety-critical applications where models must identify inputs from unfamiliar classes not seen during…

Machine Learning · Computer Science 2025-09-09 Tarhib Al Azad , Shahana Ibrahim

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) object detection is a challenging task due to the absence of open-set OOD data. Inspired by recent advancements in text-to-image generative models, such as Stable Diffusion, we study the potential of generative…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Jiahui Liu , Xin Wen , Shizhen Zhao , Yingxian Chen , Xiaojuan Qi

Out-of-Distribution (OOD) detection in computer vision is a crucial research area, with related benchmarks playing a vital role in assessing the generalizability of models and their applicability in real-world scenarios. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Alberto Bacchin , Davide Allegro , Stefano Ghidoni , Emanuele Menegatti

Robustness is a fundamental aspect for developing safe and trustworthy models, particularly when they are deployed in the open world. In this work we analyze the inherent capability of one-stage object detectors to robustly operate in the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Aitor Martinez-Seras , Javier Del Ser , Aitzol Olivares-Rad , Alain Andres , Pablo Garcia-Bringas

Object detection is a pivotal task in computer vision that has received significant attention in previous years. Nonetheless, the capability of a detector to localise objects out of the training distribution remains unexplored. Whilst…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Brian K. S. Isaac-Medina , Yona Falinie A. Gaus , Neelanjan Bhowmik , Toby P. Breckon

Deep learning-based approaches have produced models with good insect classification accuracy; Most of these models are conducive for application in controlled environmental conditions. One of the primary emphasis of researchers is to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Mojdeh Saadati , Aditya Balu , Shivani Chiranjeevi , Talukder Zaki Jubery , Asheesh K Singh , Soumik Sarkar , Arti Singh , Baskar Ganapathysubramanian

Detecting out-of-distribution (OOD) inputs is a principal task for ensuring the safety of deploying deep-neural-network classifiers in open-set scenarios. OOD samples can be drawn from arbitrary distributions and exhibit deviations from…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Choubo Ding , Guansong Pang

Deep learning has led to remarkable strides in scene understanding with panoptic segmentation emerging as a key holistic scene interpretation task. However, the performance of panoptic segmentation is severely impacted in the presence of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-19 Rohit Mohan , Kiran Kumaraswamy , Juana Valeria Hurtado , Kürsat Petek , Abhinav Valada

Out-of-distribution (OOD) detection, which maps high-dimensional data into a scalar OOD score, is critical for the reliable deployment of machine learning models. A key challenge in recent research is how to effectively leverage and…

Machine Learning · Computer Science 2026-02-06 Claus Hofmann , Christian Huber , Bernhard Lehner , Daniel Klotz , Sepp Hochreiter , Werner Zellinger

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…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Yuanchao Wang , Tian Qin , Eduardo Valle , Bruno Abrahao

Real-world machine learning applications often face simultaneous covariate and semantic shifts, challenging traditional domain generalization and out-of-distribution (OOD) detection methods. We introduce Meta-learned Across Domain…

Machine Learning · Computer Science 2024-11-06 Haoliang Wang , Chen Zhao , Feng Chen
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