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相关论文: All Beings Are Equal in Open Set Recognition

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Open set recognition problems exist in many domains. For example in security, new malware classes emerge regularly; therefore malware classification systems need to identify instances from unknown classes in addition to discriminating…

机器学习 · 计算机科学 2018-02-14 Mehadi Hassen , Philip K. Chan

In semantic segmentation, we aim to train a pixel-level classifier to assign category labels to all pixels in an image, where labeled training images and unlabeled test images are from the same distribution and share the same label set.…

图像与视频处理 · 电气工程与系统科学 2023-02-21 Chenhong Zhou , Feng Liu , Chen Gong , Rongfei Zeng , Tongliang Liu , William K. Cheung , Bo Han

This study investigates the relationship between semi-supervised learning (SSL, which is training off partially labelled datasets) and open-set recognition (OSR, which is classification with simultaneous novelty detection) under the context…

计算机视觉与模式识别 · 计算机科学 2023-09-25 Emile Reyn Engelbrecht , Johan du Preez

Named entity recognition (NER), a task that identifies and categorizes named entities such as persons or organizations from text, is traditionally framed as a multi-class classification problem. However, this approach often overlooks the…

计算与语言 · 计算机科学 2023-11-10 Ngoc Dang Nguyen , Wei Tan , Lan Du , Wray Buntine , Richard Beare , Changyou Chen

Open-world object detection (OWOD) requires incrementally detecting known categories while reliably identifying unknown objects. Existing methods primarily focus on improving unknown recall, yet overlook interpretability, often leading to…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Xueqiang Lv , Shizhou Zhang , Yinghui Xing , Di Xu , Peng Wang , Yanning Zhang

Open-set recognition (OSR), the identification of novel categories, can be a critical component when deploying classification models in real-world applications. Recent work has shown that familiarity-based scoring rules such as the Maximum…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Philip Enevoldsen , Christian Gundersen , Nico Lang , Serge Belongie , Christian Igel

Previous OOD detection systems only focus on the semantic gap between ID and OOD samples. Besides the semantic gap, we are faced with two additional gaps: the domain gap between source and target domains, and the class-imbalance gap between…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Xiang Fang , Arvind Easwaran , Blaise Genest , Ponnuthurai Nagaratnam Suganthan

Often, when dealing with real-world recognition problems, we do not need, and often cannot have, knowledge of the entire set of possible classes that might appear during operational testing. In such cases, we need to think of robust…

机器学习 · 计算机科学 2022-02-23 Pedro Ribeiro Mendes Júnior , Terrance E. Boult , Jacques Wainer , Anderson Rocha

Robotic visual systems operating in the wild must act in unconstrained scenarios, under different environmental conditions while facing a variety of semantic concepts, including unknown ones. To this end, recent works tried to empower…

计算机视觉与模式识别 · 计算机科学 2021-07-12 Dario Fontanel , Fabio Cermelli , Massimiliano Mancini , Barbara Caputo

Open-set supervised anomaly detection (OSAD) - a recently emerging anomaly detection area - aims at utilizing a few samples of anomaly classes seen during training to detect unseen anomalies (i.e., samples from open-set anomaly classes),…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Jiawen Zhu , Choubo Ding , Yu Tian , Guansong Pang

Semi-supervised learning (SSL) has been proposed to leverage unlabeled data for training powerful models when only limited labeled data is available. While existing SSL methods assume that samples in the labeled and unlabeled data share the…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Qing Yu , Daiki Ikami , Go Irie , Kiyoharu Aizawa

The existing supervised relation extraction methods have achieved impressive performance in a closed-set setting, where the relations during both training and testing remain the same. In a more realistic open-set setting, unknown relations…

计算与语言 · 计算机科学 2023-06-09 Jun Zhao , Xin Zhao , Wenyu Zhan , Qi Zhang , Tao Gui , Zhongyu Wei , Yunwen Chen , Xiang Gao , Xuanjing Huang

Open-world semi-supervised learning (OWSSL) extends conventional semi-supervised learning to open-world scenarios by taking account of novel categories in unlabeled datasets. Despite the recent advancements in OWSSL, the success often…

计算机视觉与模式识别 · 计算机科学 2024-06-03 Seongheon Park , Hyuk Kwon , Kwanghoon Sohn , Kibok Lee

This study investigates an application of a new probabilistic interpretation of a softmax output to Open-Set Recognition (OSR). Softmax is a mechanism wildly used in classification and object recognition. However, a softmax mechanism forces…

计算机视觉与模式识别 · 计算机科学 2021-11-01 Tatpong Katanyukul , Pisit Nakjai

Open-set recognition and adversarial defense study two key aspects of deep learning that are vital for real-world deployment. The objective of open-set recognition is to identify samples from open-set classes during testing, while…

计算机视觉与模式识别 · 计算机科学 2022-02-15 Rui Shao , Pramuditha Perera , Pong C. Yuen , Vishal M. Patel

Open Set Recognition (OSR) has been an emerging topic. Besides recognizing predefined classes, the system needs to reject the unknowns. Prototype learning is a potential manner to handle the problem, as its ability to improve intra-class…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Jing Lu , Yunxu Xu , Hao Li , Zhanzhan Cheng , Yi Niu

We focus on the challenge of out-of-distribution (OOD) detection in deep learning models, a crucial aspect in ensuring reliability. Despite considerable effort, the problem remains significantly challenging in deep learning models due to…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Yunhao Ge , Jie Ren , Jiaping Zhao , Kaifeng Chen , Andrew Gallagher , Laurent Itti , Balaji Lakshminarayanan

Open World Object Detection (OWOD) is a challenging computer vision problem that requires detecting unknown objects and gradually learning the identified unknown classes. However, it cannot distinguish unknown instances as multiple unknown…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Zhiheng Wu , Yue Lu , Xingyu Chen , Zhengxing Wu , Liwen Kang , Junzhi Yu

Object detection methods have witnessed impressive improvements in the last years thanks to the design of novel neural network architectures and the availability of large scale datasets. However, current methods have a significant…

计算机视觉与模式识别 · 计算机科学 2022-08-25 Dario Fontanel , Matteo Tarantino , Fabio Cermelli , Barbara Caputo

Despite advances in image classification methods, detecting the samples not belonging to the training classes is still a challenging problem. There has been a burst of interest in this subject recently, which is called Open-Set Recognition…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Mohammad Azizmalayeri , Mohammad Hossein Rohban