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Related papers: A Survey on Open-Set Image Recognition

200 papers

In real-world recognition/classification tasks, limited by various objective factors, it is usually difficult to collect training samples to exhaust all classes when training a recognizer or classifier. A more realistic scenario is open set…

Machine Learning · Computer Science 2020-03-24 Chuanxing Geng , Sheng-jun Huang , Songcan Chen

Open Set Recognition (OSR) is about dealing with unknown situations that were not learned by the models during training. In this paper, we provide a survey of existing works about OSR and distinguish their respective advantages and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Atefeh Mahdavi , Marco Carvalho

Machine learning-based techniques open up many opportunities and improvements to derive deeper and more practical insights from data that can help businesses make informed decisions. However, the majority of these techniques focus on the…

Machine Learning · Computer Science 2024-05-10 Atefeh Mahdavi , Marco Carvalho

Open set recognition (OSR) is a critical aspect of machine learning, addressing the challenge of detecting novel classes during inference. Within the realm of deep learning, neural classifiers trained on a closed set of data typically…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Jiawen Xu , Margret Keuper

Open Set Recognition (OSR) extends image classification to an open-world setting, by simultaneously classifying known classes and identifying unknown ones. While conventional OSR approaches can detect Out-of-Distribution (OOD) samples, they…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Piyapat Saranrittichai , Chaithanya Kumar Mummadi , Claudia Blaiotta , Mauricio Munoz , Volker Fischer

The ability to identify whether or not a test sample belongs to one of the semantic classes in a classifier's training set is critical to practical deployment of the model. This task is termed open-set recognition (OSR) and has received…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Sagar Vaze , Kai Han , Andrea Vedaldi , Andrew Zisserman

In open-set recognition (OSR), classifiers should be able to reject unknown-class samples while maintaining high closed-set classification accuracy. To effectively solve the OSR problem, previous studies attempted to limit latent feature…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Wonwoo Cho , Jaegul Choo

Open-set Recognition (OSR) aims to identify test samples whose classes are not seen during the training process. Recently, Unified Open-set Recognition (UOSR) has been proposed to reject not only unknown samples but also known but wrongly…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 Jun Cen , Di Luan , Shiwei Zhang , Yixuan Pei , Yingya Zhang , Deli Zhao , Shaojie Shen , Qifeng Chen

Open-Set Classification (OSC) intends to adapt closed-set classification models to real-world scenarios, where the classifier must correctly label samples of known classes while rejecting previously unseen unknown samples. Only recently,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Andres Palechor , Annesha Bhoumik , Manuel Günther

As the Internet is growing rapidly these years, the variant of malicious software, which often referred to as malware, has become one of the major and serious threats to Internet users. The dramatic increase of malware has led to a research…

Machine Learning · Computer Science 2020-04-10 Jingyun Jia

This paper addresses the open set recognition (OSR) problem, where the goal is to correctly classify samples of known classes while detecting unknown samples to reject. In the OSR problem, "unknown" is assumed to have infinite possibilities…

Computer Vision and Pattern Recognition · Computer Science 2021-11-17 Jaeyeon Jang

This paper proposes a method to use deep neural networks as end-to-end open-set classifiers. It is based on intra-class data splitting. In open-set recognition, only samples from a limited number of known classes are available for training.…

Machine Learning · Computer Science 2019-11-21 Patrick Schlachter , Yiwen Liao , Bin Yang

Neural networks for image classification tasks assume that any given image during inference belongs to one of the training classes. This closed-set assumption is challenged in real-world applications where models may encounter inputs of…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Jinsol Lee , Ghassan AlRegib

Endoscopic image classification plays a pivotal role in medical diagnostics by identifying anatomical landmarks and pathological findings. However, conventional closed-set classification frameworks are inherently limited in open-world…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Kasra Moazzami , Seoyoun Son , John Lin , Sun Min Lee , Daniel Son , Hayeon Lee , Jeongho Lee , Seongji Lee

In real-world scenarios classification models are often required to perform robustly when predicting samples belonging to classes that have not appeared during its training stage. Open Set Recognition addresses this issue by devising models…

Machine Learning · Computer Science 2024-01-08 Marcos Barcina-Blanco , Jesus L. Lobo , Pablo Garcia-Bringas , Javier Del Ser

Open set recognition (OSR) and continual learning are two critical challenges in machine learning, focusing respectively on detecting novel classes at inference time and updating models to incorporate the new classes. While many recent…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Jiawen Xu , Odej Kao

The reliance on Deep Neural Network (DNN)-based classifiers in safety-critical and real-world applications necessitates Open-Set Recognition (OSR). OSR enables the identification of input data from classes unknown during training as…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Nadarasar Bahavan , Sachith Seneviratne , Saman Halgamuge

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

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…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Mohammad Azizmalayeri , Mohammad Hossein Rohban

The current generation of deep neural networks has achieved close-to-human results on "closed-set" image recognition; that is, the classes being evaluated overlap with the training classes. Many recent methods attempt to address the…

Image and Video Processing · Electrical Eng. & Systems 2021-10-22 Zongyuan Ge , Xin Wang
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