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In recent years Deep Neural Network-based systems are not only increasing in popularity but also receive growing user trust. However, due to the closed-world assumption of such systems, they cannot recognize samples from unknown classes and…

机器学习 · 计算机科学 2025-01-15 Joanna Komorniczak , Pawel Ksieniewicz

Visual recognition tasks are often limited to dealing with a small subset of classes simply because the labels for the remaining classes are unavailable. We are interested in identifying novel concepts in a dataset through representation…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Geeho Kim , Junoh Kang , Bohyung Han

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…

计算机视觉与模式识别 · 计算机科学 2022-04-15 Sagar Vaze , Kai Han , Andrea Vedaldi , Andrew Zisserman

We propose a novel deep convolutional neural network (CNN) based multi-task learning approach for open-set visual recognition. We combine a classifier network and a decoder network with a shared feature extractor network within a multi-task…

计算机视觉与模式识别 · 计算机科学 2019-03-11 Poojan Oza , Vishal M. Patel

The findings on open-set recognition (OSR) show that models trained on classification datasets are capable of detecting unknown classes not encountered during the training process. Specifically, after training, the learned representations…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Jaewoo Park , Hojin Park , Eunju Jeong , Andrew Beng Jin Teoh

Deep networks have produced significant gains for various visual recognition problems, leading to high impact academic and commercial applications. Recent work in deep networks highlighted that it is easy to generate images that humans…

计算机视觉与模式识别 · 计算机科学 2015-11-20 Abhijit Bendale , Terrance Boult

While convolutional neural networks have brought significant advances in robot vision, their ability is often limited to closed world scenarios, where the number of semantic concepts to be recognized is determined by the available training…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Dario Fontanel , Fabio Cermelli , Massimiliano Mancini , Samuel Rota Bulò , Elisa Ricci , Barbara Caputo

Deep neural networks have achieved state-of-the-art performance in a wide range of recognition/classification tasks. However, when applying deep learning to real-world applications, there are still multiple challenges. A typical challenge…

机器学习 · 计算机科学 2021-02-10 Xin Sun , Zhenning Yang , Chi Zhang , Guohao Peng , Keck-Voon Ling

Most of the existing recognition algorithms are proposed for closed set scenarios, where all categories are known beforehand. However, in practice, recognition is essentially an open set problem. There are categories we know called…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Yu Shu , Yemin Shi , Yaowei Wang , Tiejun Huang , Yonghong Tian

In open set recognition, deep neural networks encounter object classes that were unknown during training. Existing open set classifiers distinguish between known and unknown classes by measuring distance in a network's logit space, assuming…

计算机视觉与模式识别 · 计算机科学 2021-03-04 Dimity Miller , Niko Sünderhauf , Michael Milford , Feras Dayoub

Few-shot open-set recognition aims to classify both seen and novel images given only limited training data of seen classes. The challenge of this task is that the model is required not only to learn a discriminative classifier to classify…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Nan Song , Chi Zhang , Guosheng Lin

We study the challenging task of malware recognition on both known and novel unknown malware families, called malware open-set recognition (MOSR). Previous works usually assume the malware families are known to the classifier in a close-set…

密码学与安全 · 计算机科学 2023-05-03 Jingcai Guo , Song Guo , Shiheng Ma , Yuxia Sun , Yuanyuan Xu

Current deep learning methods are regarded as favorable if they empirically perform well on dedicated test sets. This mentality is seamlessly reflected in the resurfacing area of continual learning, where consecutively arriving data is…

机器学习 · 计算机科学 2023-01-25 Martin Mundt , Yongwon Hong , Iuliia Pliushch , Visvanathan Ramesh

Handling entirely unknown data is a challenge for any deployed classifier. Classification models are typically trained on a static pre-defined dataset and are kept in the dark for the open unassigned feature space. As a result, they…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Tobias Koch , Christian Riess , Thomas Köhler

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…

机器学习 · 计算机科学 2019-08-15 Chuanxing Geng , Lue Tao , Songcan Chen

In this paper, a progressive learning technique for multi-class classification is proposed. This newly developed learning technique is independent of the number of class constraints and it can learn new classes while still retaining the…

机器学习 · 计算机科学 2017-01-24 Rajasekar Venkatesan , Meng Joo Er

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…

计算机视觉与模式识别 · 计算机科学 2025-09-10 Runqing Yang , Yimin Fu , Changyuan Wu , Zhunga Liu

The classification of textual data often yields important information. Most classifiers work in a closed world setting where the classifier is trained on a known corpus, and then it is tested on unseen examples that belong to one of the…

机器学习 · 计算机科学 2022-12-27 Justin Leo , Jugal Kalita

Classification is a fundamental task in machine learning and data mining. Existing classification methods are designed to classify unknown instances within a set of previously known training classes. Such a classification takes the form of…

机器学习 · 计算机科学 2018-03-02 Wajdi Dhifli , Abdoulaye Baniré Diallo

3D recognition is the foundation of 3D deep learning in many emerging fields, such as autonomous driving and robotics.Existing 3D methods mainly focus on the recognition of a fixed set of known classes and neglect possible unknown classes…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Weng Tingyu , Xiao Jun , Jiang Haiyong