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Open-set object detection (OSOD), a task involving the detection of unknown objects while accurately detecting known objects, has recently gained attention. However, we identify a fundamental issue with the problem formulation employed in…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Yusuke Hosoya , Masanori Suganuma , Takayuki Okatani

Unknown Object Detection (UOD) aims to identify objects of unseen categories, differing from the traditional detection paradigm limited by the closed-world assumption. A key component of UOD is learning a generalized representation, i.e.…

计算机视觉与模式识别 · 计算机科学 2024-12-16 Haomiao Liu , Hao Xu , Chuhuai Yue , Bo Ma

Deep neural networks have demonstrated great generalization capabilities for tasks whose training and test sets are drawn from the same distribution. Nevertheless, out-of-distribution (OOD) detection remains a challenging task that has…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Brian K. S. Isaac-Medina , Toby P. Breckon

Recent research underscores the pivotal role of the Out-of-Distribution (OOD) feature representation field scale in determining the efficacy of models in OOD detection. Consequently, the adoption of model ensembles has emerged as a…

机器学习 · 计算机科学 2024-08-19 Chenhui Xu , Fuxun Yu , Zirui Xu , Nathan Inkawhich , Xiang Chen

Recent object detection systems rely on two critical steps: (1) a set of object proposals is predicted as efficiently as possible, and (2) this set of candidate proposals is then passed to an object classifier. Such approaches have been…

计算机视觉与模式识别 · 计算机科学 2015-09-02 Pedro O. Pinheiro , Ronan Collobert , Piotr Dollar

Anomaly detection refers to the task of finding unusual instances that stand out from the normal data. In several applications, these outliers or anomalous instances are of greater interest compared to the normal ones. Specifically in the…

图像与视频处理 · 电气工程与系统科学 2020-01-14 Manpreet Singh Minhas , John Zelek

Open-world object detection (OWOD) is a challenging computer vision problem, where the task is to detect a known set of object categories while simultaneously identifying unknown objects. Additionally, the model must incrementally learn new…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Akshita Gupta , Sanath Narayan , K J Joseph , Salman Khan , Fahad Shahbaz Khan , Mubarak Shah

Recently, similarity-preserving hashing methods have been extensively studied for large-scale image retrieval. Compared with unsupervised hashing, supervised hashing methods for labeled data have usually better performance by utilizing…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Rong-Cheng Tu , Xian-Ling Mao , Bo-Si Feng , Bing-Bing Bian , Yu-shu Ying

Modern diffusion-based image generative models have made significant progress and become promising to enrich training data for the object detection task. However, the generation quality and the controllability for complex scenes containing…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Jingyuan Zhu , Shiyu Li , Yuxuan Liu , Ping Huang , Jiulong Shan , Huimin Ma , Jian Yuan

Unsupervised out-of-distribution detection (OOD) seeks to identify out-of-domain data by learning only from unlabeled in-domain data. We present a novel approach for this task - Lift, Map, Detect (LMD) - that leverages recent advancement in…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Zhenzhen Liu , Jin Peng Zhou , Yufan Wang , Kilian Q. Weinberger

Understanding the surrounding environment is fundamental in autonomous driving and robotic perception. Distinguishing between known classes and previously unseen objects is crucial in real-world environments, as done in Anomaly…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Simone Mosco , Daniel Fusaro , Alberto Pretto

The complex and dynamic real-world clinical environment demands reliable deep learning (DL) systems. Out-of-distribution (OOD) detection plays a critical role in enhancing the reliability and generalizability of DL models when encountering…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Jiangbei Yue , Darren Treanor , Venkataraman Subramanian , Sharib Ali

Detecting out-of-distribution (OOD) data is crucial in machine learning applications to mitigate the risk of model overconfidence, thereby enhancing the reliability and safety of deployed systems. The majority of existing OOD detection…

人工智能 · 计算机科学 2024-08-22 Christos Constantinou , Georgios Ioannides , Aman Chadha , Aaron Elkins , Edwin Simpson

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…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Vahid Reza Khazaie , Anthony Wong , Mohammad Sabokrou

We study the problem of unsupervised discovery and segmentation of object parts, which, as an intermediate local representation, are capable of finding intrinsic object structure and providing more explainable recognition results. Recent…

计算机视觉与模式识别 · 计算机科学 2021-05-27 Shilong Liu , Lei Zhang , Xiao Yang , Hang Su , Jun Zhu

Object detection is essential to many perception algorithms used in modern robotics applications. Unfortunately, the existing models share a tendency to assign high confidence scores for out-of-distribution (OOD) samples. Although OOD…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Bartłomiej Olber , Krystian Radlak , Krystian Chachuła , Jakub Łyskawa , Piotr Frątczak

We tackle the challenging problem of Open-Set Object Detection (OSOD), which aims to detect both known and unknown objects in unlabelled images. The main difficulty arises from the absence of supervision for these unknown classes, making it…

计算机视觉与模式识别 · 计算机科学 2024-12-13 Silin Cheng , Yuanpei Liu , Kai Han

Object detection is a critical part of visual scene understanding. The representation of the object in the detection task has important implications on the efficiency and feasibility of annotation, robustness to occlusion, pose, lighting,…

计算机视觉与模式识别 · 计算机科学 2019-07-31 Li Ding , Lex Fridman

Out-of-distribution (OOD) detection is essential for ensuring the reliability of deep learning models in medical imaging applications. This work is motivated by the observation that class activation maps (CAMs) for in-distribution (ID) data…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Yu-Jen Chen , Xueyang Li , Yiyu Shi , Tsung-Yi Ho

Modern object detectors have achieved impressive progress under the close-set setup. However, open-set object detection (OSOD) remains challenging since objects of unknown categories are often misclassified to existing known classes. In…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Jiaming Han , Yuqiang Ren , Jian Ding , Xingjia Pan , Ke Yan , Gui-Song Xia