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Most of the existing Zero-Shot Learning (ZSL) methods focus on learning a compatibility function between the image representation and class attributes. Few others concentrate on learning image representation combining local and global…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Faisal Alamri , Anjan Dutta

Zero-shot learning (ZSL) aims at recognizing classes for which no visual sample is available at training time. To address this issue, one can rely on a semantic description of each class. A typical ZSL model learns a mapping between the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-29 Celina Hanouti , Hervé Le Borgne

Zero-Shot Learning (ZSL) aims to recognize unseen classes by generalizing the knowledge, i.e., visual and semantic relationships, obtained from seen classes, where image augmentation techniques are commonly applied to improve the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Zhi Chen , Pengfei Zhang , Jingjing Li , Sen Wang , Zi Huang

This work is a systematical analysis on the so-called hard class problem in zero-shot learning (ZSL), that is, some unseen classes disproportionally affect the ZSL performances than others, as well as how to remedy the problem by detecting…

Computer Vision and Pattern Recognition · Computer Science 2022-01-17 Bo Liu , Lihua Hu , Zhanyi Hu , Qiulei Dong

Zero-shot learning (ZSL) aims to discriminate images from unseen classes by exploiting relations to seen classes via their semantic descriptions. Some recent papers have shown the importance of localized features together with fine-tuning…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Shiqi Yang , Kai Wang , Luis Herranz , Joost van de Weijer

Zero-shot learning (ZSL) is a promising approach to generalizing a model to categories unseen during training by leveraging class attributes, but challenges remain. Recently, methods using generative models to combat bias towards classes…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Vinay K Verma , Nikhil Mehta , Kevin J Liang , Aakansha Mishra , Lawrence Carin

Zero-shot learning (ZSL) methods have been studied in the unrealistic setting where test data are assumed to come from unseen classes only. In this paper, we advocate studying the problem of generalized zero-shot learning (GZSL) where the…

Computer Vision and Pattern Recognition · Computer Science 2017-01-12 Wei-Lun Chao , Soravit Changpinyo , Boqing Gong , Fei Sha

Most of the existing artificial neural networks(ANNs) fail to learn continually due to catastrophic forgetting, while humans can do the same by maintaining previous tasks' performances. Although storing all the previous data can alleviate…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Subhankar Ghosh

Zero-shot action recognition requires a strong ability to generalize from pre-training and seen classes to novel unseen classes. Similarly, continual learning aims to develop models that can generalize effectively and learn new tasks…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Shreyank N Gowda , Davide Moltisanti , Laura Sevilla-Lara

Zero-shot learning methods typically assume that the new, unseen classes encountered during deployment come from the same distribution as the the classes in the training set. However, real-world scenarios often involve class distribution…

Machine Learning · Computer Science 2024-12-11 Yuli Slavutsky , Yuval Benjamini

Zero-shot learning (ZSL) aims at understanding unseen categories with no training examples from class-level descriptions. To improve the discriminative power of zero-shot learning, we model the visual learning process of unseen categories…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Mohamed Elhoseiny , Mohamed Elfeki

Generalized zero-shot learning (GZSL) aims to train a model for classifying data samples under the condition that some output classes are unknown during supervised learning. To address this challenging task, GZSL leverages semantic…

Computer Vision and Pattern Recognition · Computer Science 2022-07-18 Farhad Pourpanah , Moloud Abdar , Yuxuan Luo , Xinlei Zhou , Ran Wang , Chee Peng Lim , Xi-Zhao Wang , Q. M. Jonathan Wu

Learning to classify unseen class samples at test time is popularly referred to as zero-shot learning (ZSL). If test samples can be from training (seen) as well as unseen classes, it is a more challenging problem due to the existence of…

Machine Learning · Statistics 2019-09-11 Vinay Kumar Verma , Dhanajit Brahma , Piyush Rai

Zero-shot Learning (ZSL) enables classifiers to recognize classes unseen during training, commonly via generative two stage methods: (1) learn visual semantic correlations from seen classes; (2) synthesize unseen class features from…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Zihan Ye , Shreyank N Gowda , Kaile Du , Weijian Luo , Ling Shao

Zero-shot learning (ZSL) refers to the problem of learning to classify instances from the novel classes (unseen) that are absent in the training set (seen). Most ZSL methods infer the correlation between visual features and attributes to…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Zhe Liu , Yun Li , Lina Yao , Xianzhi Wang , Guodong Long

Generative Zero-Shot Learning (ZSL) methods synthesize class-related features based on predefined class semantic prototypes, showcasing superior performance. However, this feature generation paradigm falls short of providing interpretable…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Dingjie Fu , Wenjin Hou , Shiming Chen , Shuhuang Chen , Xinge You , Salman Khan , Fahad Shahbaz Khan

We propose a novel approach for unsupervised zero-shot learning (ZSL) of classes based on their names. Most existing unsupervised ZSL methods aim to learn a model for directly comparing image features and class names. However, this proves…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Berkan Demirel , Ramazan Gokberk Cinbis , Nazli Ikizler-Cinbis

Zero-shot learning (ZSL) aims to recognize unseen classes by leveraging semantic information from seen classes, but most existing methods assume accurate class labels for training instances. However, in real-world scenarios, noise and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Jinfu Fan , Jiangnan Li , Xiaowen Yan , Xiaohui Zhong , Wenpeng Lu , Linqing Huang

Zero-shot Learning (ZSL) aims to enable image classifiers to recognize images from unseen classes that were not included during training. Unlike traditional supervised classification, ZSL typically relies on learning a mapping from visual…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Zhiyuan Peng , Zihan Ye , Shreyank N Gowda , Yuping Yan , Haotian Xu , Ling Shao

To overcome the absence of training data for unseen classes, conventional zero-shot learning approaches mainly train their model on seen datapoints and leverage the semantic descriptions for both seen and unseen classes. Beyond exploiting…

Machine Learning · Computer Science 2019-10-22 Hyeonwoo Yu , Beomhee Lee