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Related papers: OSSAR: Towards Open-Set Surgical Activity Recognit…

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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…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Yusuke Hosoya , Masanori Suganuma , Takayuki Okatani

In open-set recognition, existing methods generally learn statically fixed decision boundaries using known classes to reject unknown classes. Though they have achieved promising results, such decision boundaries are evidently insufficient…

Machine Learning · Computer Science 2024-05-06 Haifeng Yang , Chuanxing Geng , Pong C. Yuen , Songcan Chen

Unknown examples that are unseen during training often appear in real-world machine learning tasks, and an intelligent self-learning system should be able to distinguish between known and unknown examples. Accordingly, open set recognition…

Computer Vision and Pattern Recognition · Computer Science 2022-07-18 Jaeyeon Jang , Chang Ouk Kim

Existing synthetic aperture radar automatic target recognition (SAR ATR) methods have been effective for the classification of seen target classes. However, it is more meaningful and challenging to distinguish the unseen target classes,…

Image and Video Processing · Electrical Eng. & Systems 2023-08-22 Chenwei Wang , Siyi Luo , Jifang Pei , Xiaoyu Liu , Yulin Huang , Yin Zhang , Jianyu Yang

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

Existing open set recognition (OSR) methods are typically designed for static scenarios, where models aim to classify known classes and identify unknown ones within fixed scopes. This deviates from the expectation that the model should…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Runqing Yang , Yimin Fu , Changyuan Wu , Zhunga Liu

While recent advances in deep learning for surgical scene segmentation have demonstrated promising results on single-centre and single-imaging modality data, these methods usually do not generalise to unseen distribution (i.e., from other…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Mansoor Ali , Maksim Richards , Gilberto Ochoa-Ruiz , Sharib Ali

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

Current mainstream SAR image object detection methods still lack robustness when dealing with unknown objects in open environments. Open-set detection aims to enable detectors trained on a closed set to detect all known objects and identify…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Xiayang Xiao , Zhuoxuan Li , Haipeng Wang

Driven by advancements in deep learning, computer-aided diagnoses have made remarkable progress. However, outside controlled laboratory settings, algorithms may encounter several challenges. In the medical domain, these difficulties often…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Arnav Aditya , Nitin Kumar , Saurabh Shigwan

Recent advances in deep learning have transformed computer-assisted intervention and surgical video analysis, driving improvements not only in surgical training, intraoperative decision support, and patient outcomes, but also in…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Sahar Nasirihaghighi , Negin Ghamsarian , Leonie Peschek , Matteo Munari , Heinrich Husslein , Raphael Sznitman , Klaus Schoeffmann

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

With the human pursuit of knowledge, open-set object detection (OSOD) has been designed to identify unknown objects in a dynamic world. However, an issue with the current setting is that all the predicted unknown objects share the same…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Jiyang Zheng , Weihao Li , Jie Hong , Lars Petersson , Nick Barnes

State-of-the-art deep neural network recognition systems are designed for a static and closed world. It is usually assumed that the distribution at test time will be the same as the distribution during training. As a result, classifiers are…

Computer Vision and Pattern Recognition · Computer Science 2019-02-28 Benjamin J. Meyer , Tom Drummond

Most object-level mapping systems in use today make use of an upstream learned object instance segmentation model. If we want to teach them about a new object or segmentation class, we need to build a large dataset and retrain the system.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Nicolas Gorlo , Kenneth Blomqvist , Francesco Milano , Roland Siegwart

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

Despite the remarkable progress in generative technology, the Janus-faced issues of intellectual property protection and malicious content supervision have arisen. Efforts have been paid to manage synthetic images by attributing them to a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Tianyun Yang , Danding Wang , Fan Tang , Xinying Zhao , Juan Cao , Sheng Tang

To aid humans in everyday tasks, robots need to know which objects exist in the scene, where they are, and how to grasp and manipulate them in different situations. Therefore, object recognition and grasping are two key functionalities for…

Robotics · Computer Science 2022-12-07 Hamidreza Kasaei , Sha Luo , Remo Sasso , Mohammadreza Kasaei

Biometric recognition has primarily addressed closed-set identification, assuming all probe subjects are in the gallery. However, most practical applications involve open-set biometrics, where probe subjects may or may not be present in the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Yiyang Su , Minchul Kim , Feng Liu , Anil Jain , Xiaoming Liu