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Transductive zero-shot learning (T-ZSL) which could alleviate the domain shift problem in existing ZSL works, has received much attention recently. However, an open problem in T-ZSL: how to effectively make use of unseen-class samples for…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Liu Bo , Qiulei Dong , Zhanyi Hu

The challenge of learning a new concept, object, or a new medical disease recognition without receiving any examples beforehand is called Zero-Shot Learning (ZSL). One of the major issues in deep learning based methodologies such as in…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Mahdi Rezaei , Mahsa Shahidi

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

Machine learning (ML) systems have introduced significant advances in various fields, due to the introduction of highly complex models. Despite their success, it has been shown multiple times that machine learning models are prone to…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Mehmet Kerim Yucel , Ramazan Gokberk Cinbis , Pinar Duygulu

Zero-shot detection (ZSD) is a challenging task where we aim to recognize and localize objects simultaneously, even when our model has not been trained with visual samples of a few target ("unseen") classes. Recently, methods employing…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Sandipan Sarma , Sushil Kumar , Arijit Sur

Open-set semi-supervised learning (OSSL) embodies a practical scenario within semi-supervised learning, wherein the unlabeled training set encompasses classes absent from the labeled set. Many existing OSSL methods assume that these…

机器学习 · 计算机科学 2023-12-04 Erik Wallin , Lennart Svensson , Fredrik Kahl , Lars Hammarstrand

Zero-shot Learners are models capable of predicting unseen classes. In this work, we propose a Zero-shot Learning approach for text categorization. Our method involves training model on a large corpus of sentences to learn the relationship…

计算与语言 · 计算机科学 2017-12-27 Pushpankar Kumar Pushp , Muktabh Mayank Srivastava

Zero-shot learning (ZSL) aims to leverage additional semantic information to recognize unseen classes. To transfer knowledge from seen to unseen classes, most ZSL methods often learn a shared embedding space by simply aligning visual…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Bowen Duan , Shiming Chen , Yufei Guo , Guo-Sen Xie , Weiping Ding , Yisong Wang

Zero-shot object detection aims to localize and recognize objects of unseen classes. Most of existing works face two problems: the low recall of RPN in unseen classes and the confusion of unseen classes with background. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Lu Zhang , Chenbo Zhang , Jiajia Zhao , Jihong Guan , Shuigeng Zhou

Compared to conventional zero-shot learning (ZSL) where recognising unseen classes is the primary or only aim, the goal of generalized zero-shot learning (GZSL) is to recognise both seen and unseen classes. Most GZSL methods typically learn…

计算机视觉与模式识别 · 计算机科学 2021-01-12 Zhi Chen , Zi Huang , Jingjing Li , Zheng Zhang

Signal recognition is one of significant and challenging tasks in the signal processing and communications field. It is often a common situation that there's no training data accessible for some signal classes to perform a recognition task.…

机器学习 · 计算机科学 2021-05-12 Yihong Dong , Xiaohan Jiang , Huaji Zhou , Yun Lin , Qingjiang Shi

Generalized zero-shot learning (GZSL) focuses on recognizing seen and unseen classes against domain shift problem where data of unseen classes may be misclassified as seen classes. However, existing GZSL is still limited to seen domains. In…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Jiaqi Yue , Chunhui Zhao , Jiancheng Zhao , Biao Huang

Zero-Shot Learning (ZSL) learns models for recognizing new classes. One of the main challenges in ZSL is the domain discrepancy caused by the category inconsistency between training and testing data. Domain adaptation is the most intuitive…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Fengmao Lv , Jianyang Zhang , Guowu Yang , Lei Feng , Yufeng Yu , Lixin Duan

This paper proposes a novel Zero-Shot Action Recognition~(ZSAR) method based on contrastive learning. In ZSAR, we aim to classify examples from classes that were missing during training. Two well-known problems remain in ZSAR: the semantic…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Valter Estevam , Rayson Laroca , Helio Pedrini , David Menotti

The number of categories for action recognition is growing rapidly and it has become increasingly hard to label sufficient training data for learning conventional models for all categories. Instead of collecting ever more data and labelling…

计算机视觉与模式识别 · 计算机科学 2016-12-05 Xun Xu , Timothy Hospedales , Shaogang Gong

Machine Learning (ML) techniques for image classification routinely require many labelled images for training the model and while testing, we ought to use images belonging to the same domain as those used for training. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2020-11-19 Preeti Jagdish Sajjan , Frank G. Glavin

Recent deep learning architectures can recognize instances of 3D point cloud objects of previously seen classes quite well. At the same time, current 3D depth camera technology allows generating/segmenting a large amount of 3D point cloud…

计算机视觉与模式识别 · 计算机科学 2019-02-28 Ali Cheraghian , Shafin Rahman , Lars Petersson

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…

计算机视觉与模式识别 · 计算机科学 2024-02-01 Chaohua Li , Enhao Zhang , Chuanxing Geng , SongCan Chen

The primary assumption of conventional supervised learning or classification is that the test samples are drawn from the same distribution as the training samples, which is called closed set learning or classification. In many practical…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Sepideh Esmaeilpour , Lei Shu , Bing Liu

Zero-shot learning (ZSL) aims to transfer knowledge from seen classes to semantically related unseen classes, which are absent during training. The promising strategies for ZSL are to synthesize visual features of unseen classes conditioned…

人工智能 · 计算机科学 2021-12-30 Yun Li , Zhe Liu , Lina Yao , Xiaojun Chang