English
Related papers

Related papers: Electromagnetic Scattering Kernel Guided Reciproca…

200 papers

Fueled by deep learning, computer-aided diagnosis achieves huge advances. However, out of controlled lab environments, algorithms could face multiple challenges. Open set recognition (OSR), as an important one, states that categories unseen…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Mingyuan Liu , Lu Xu , Jicong Zhang

In open-set recognition (OSR), a promising strategy is exploiting pseudo-unknown data outside given $K$ known classes as an additional $K$+$1$-th class to explicitly model potential open space. However, treating unknown classes without…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Chaohua Li , Enhao Zhang , Chuanxing Geng , SongCan Chen

Existing open-set recognition (OSR) studies typically assume that each image contains only one class label, with the unknown test set (negative) having a disjoint label space from the known test set (positive), a scenario referred to as…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Xu Yin , Fei Pan , Guoyuan An , Yuchi Huo , Zixuan Xie , Sung-Eui Yoon

Open Set Recognition (OSR) requires models not only to accurately classify known classes but also to effectively reject unknown samples. However, when unknown samples are semantically similar to known classes, inter-class overlap in the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Dongdong Zhao , Ranxin Fang , Changtian Song , Zhihui Liu , Jianwen Xiang

In the process of exploring the world, the curiosity constantly drives humans to cognize new things. Supposing you are a zoologist, for a presented animal image, you can recognize it immediately if you know its class. Otherwise, you would…

Machine Learning · Computer Science 2019-08-15 Chuanxing Geng , Lue Tao , Songcan Chen

Assuming unknown classes could be present during classification, the open set recognition (OSR) task aims to classify an instance into a known class or reject it as unknown. In this paper, we use a two-stage training strategy for the OSR…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Jingyun Jia , Philip K. Chan

Detecting both known and unknown objects is a fundamental skill for robot manipulation in unstructured environments. Open-set object detection (OSOD) is a promising direction to handle the problem consisting of two subtasks: objects and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Zhongxiang Zhou , Yifei Yang , Yue Wang , Rong Xiong

Automatic Target Recognition (ATR) is a category of computer vision algorithms which attempts to recognize targets on data obtained from different sensors. ATR algorithms are extensively used in real-world scenarios such as military and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Bardia Safaei , Vibashan VS , Celso M. de Melo , Shuowen Hu , Vishal M. Patel

Recent advancements in deep learning have greatly enhanced 3D object recognition, but most models are limited to closed-set scenarios, unable to handle unknown samples in real-world applications. Open-set recognition (OSR) addresses this…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Jinfeng Xu , Xianzhi Li , Yuan Tang , Xu Han , Qiao Yu , Yixue Hao , Long Hu , Min Chen

Open-set classification is a problem of handling `unknown' classes that are not contained in the training dataset, whereas traditional classifiers assume that only known classes appear in the test environment. Existing open-set classifiers…

Computer Vision and Pattern Recognition · Computer Science 2019-10-08 Ryota Yoshihashi , Wen Shao , Rei Kawakami , Shaodi You , Makoto Iida , Takeshi Naemura

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…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Emile Reyn Engelbrecht , Johan du Preez

Open-set recognition (OSR) aims to simultaneously detect unknown-class samples and classify known-class samples. Most of the existing OSR methods are inductive methods, which generally suffer from the domain shift problem that the learned…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Jiayin Sun , Qiulei Dong

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…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Jing Lu , Yunxu Xu , Hao Li , Zhanzhan Cheng , Yi Niu

Convolutional Neural Networks (CNNs) are commonly designed for closed set arrangements, where test instances only belong to some "Known Known" (KK) classes used in training. As such, they predict a class label for a test sample based on the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-04 Md Tahmid Hossain , Shyh Wei Teng , Guojun Lu , Ferdous Sohel

In the realm of automated robotic surgery and computer-assisted interventions, understanding robotic surgical activities stands paramount. Existing algorithms dedicated to surgical activity recognition predominantly cater to pre-defined…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Long Bai , Guankun Wang , Jie Wang , Xiaoxiao Yang , Huxin Gao , Xin Liang , An Wang , Mobarakol Islam , Hongliang Ren

Land cover classification of satellite imagery is an important step toward analyzing the Earth's surface. Existing models assume a closed-set setting where both the training and testing classes belong to the same label set. However, due to…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Razieh Kaviani Baghbaderani , Ying Qu , Hairong Qi , Craig Stutts

The outstanding pattern recognition performance of deep learning brings new vitality to the synthetic aperture radar (SAR) automatic target recognition (ATR). However, there is a limitation in current deep learning based ATR solution that…

Computer Vision and Pattern Recognition · Computer Science 2017-12-27 Fan Zhang , Chen Hu , Qiang Yin , Wei Li , Hengchao Li , Wen Hong

Generalized Zero-Shot Learning (GZSL) and Open-Set Recognition (OSR) are two mainstream settings that greatly extend conventional visual object recognition. However, the limitations of their problem settings are not negligible. The novel…

Computer Vision and Pattern Recognition · Computer Science 2023-02-10 Zhaonan Li , Hongfu Liu

Gesture recognition is a foundational task in human-machine interaction (HMI). While there has been significant progress in gesture recognition based on surface electromyography (sEMG), accurate recognition of predefined gestures only…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Chen Liu , Can Han , Chengfeng Zhou , Crystal Cai , Suncheng Xiang , Hualiang Ni , Dahong Qian

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…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Rui Shao , Pramuditha Perera , Pong C. Yuen , Vishal M. Patel