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The goal of zero-shot learning (ZSL) is to train a model to classify samples of classes that were not seen during training. To address this challenging task, most ZSL methods relate unseen test classes to seen(training) classes via a…

Computer Vision and Pattern Recognition · Computer Science 2020-09-25 Lu Liu , Tianyi Zhou , Guodong Long , Jing Jiang , Chengqi Zhang

Supervised learning requires a sufficient training dataset which includes all label. However, there are cases that some class is not in the training data. Zero-Shot Learning (ZSL) is the task of predicting class that is not in the training…

Machine Learning · Computer Science 2020-07-02 Toshitaka Hayashi , Hamido Fujita

Zero-shot recognition (ZSR) aims to recognize target-domain data instances of unseen classes based on the models learned from associated pairs of seen-class source and target domain data. One of the key challenges in ZSR is the relative…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Ziming Zhang , Venkatesh Saligrama

Zero-shot learning (ZSL) can be formulated as a cross-domain matching problem: after being projected into a joint embedding space, a visual sample will match against all candidate class-level semantic descriptions and be assigned to the…

Computer Vision and Pattern Recognition · Computer Science 2018-12-12 Lei Zhang , Peng Wang , Lingqiao Liu , Chunhua Shen , Wei Wei , Yannning Zhang , Anton Van Den Hengel

Zero-shot learning (ZSL) is a framework to classify images belonging to unseen classes based on solely semantic information about these unseen classes. In this paper, we propose a new ZSL algorithm using coupled dictionary learning. The…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Mohammad Rostami , Soheil Kolouri , Zak Murez , Yuri Owekcho , Eric Eaton , Kuyngnam Kim

Generalized Zero-Shot Learning (GZSL) aims to recognize images from both the seen and unseen classes by transferring semantic knowledge from seen to unseen classes. It is a promising solution to take the advantage of generative models to…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Zhi Chen , Yadan Luo , Sen Wang , Jingjing Li , Zi Huang

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…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Liu Bo , Qiulei Dong , Zhanyi Hu

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

Generalized Zero-Shot Learning (GZSL) is a challenging topic that has promising prospects in many realistic scenarios. Using a gating mechanism that discriminates the unseen samples from the seen samples can decompose the GZSL problem to a…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Xingyu Chen , Xuguang Lan , Fuchun Sun , Nanning Zheng

Zero-shot learning, the task of learning to recognize new classes not seen during training, has received considerable attention in the case of 2D image classification. However, despite the increasing ubiquity of 3D sensors, the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Ali Cheraghian , Shafinn Rahman , Townim F. Chowdhury , Dylan Campbell , Lars Petersson

Zero-shot learning (ZSL) aims to recognize novel classes by transferring semantic knowledge from seen classes to unseen classes. Since semantic knowledge is built on attributes shared between different classes, which are highly local,…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Yang Liu , Lei Zhou , Xiao Bai , Yifei Huang , Lin Gu , Jun Zhou , Tatsuya Harada

Many approaches in generalized zero-shot learning rely on cross-modal mapping between the image feature space and the class embedding space. As labeled images are expensive, one direction is to augment the dataset by generating either…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Edgar Schönfeld , Sayna Ebrahimi , Samarth Sinha , Trevor Darrell , Zeynep Akata

Zero-shot learning (ZSL) models rely on learning a joint embedding space where both textual/semantic description of object classes and visual representation of object images can be projected to for nearest neighbour search. Despite the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-22 Li Zhang , Tao Xiang , Shaogang Gong

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

Machine unlearning aims to remove the influence of specific samples from a trained model. A key challenge in this process is over-unlearning, where the model's performance on the remaining data significantly drops due to the change in the…

Machine Learning · Computer Science 2025-07-30 Huiqiang Chen , Tianqing Zhu , Xin Yu , Wanlei Zhou

Machine learning especially deep neural networks have achieved great success but many of them often rely on a number of labeled samples for supervision. As sufficient labeled training data are not always ready due to e.g., continuously…

Machine Learning · Computer Science 2022-12-06 Jiaoyan Chen , Yuxia Geng , Zhuo Chen , Jeff Z. Pan , Yuan He , Wen Zhang , Ian Horrocks , Huajun Chen

Zero-shot learning aims to recognize instances of unseen classes, for which no visual instance is available during training, by learning multimodal relations between samples from seen classes and corresponding class semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-10-08 Yannick Le Cacheux , Hervé Le Borgne , Michel Crucianu

When training samples are scarce, the semantic embedding technique, ie, describing class labels with attributes, provides a condition to generate visual features for unseen objects by transferring the knowledge from seen objects. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Liangjun Feng , Chunhui Zhao , Xi Li

There is a growing interest in dataset generation recently due to the superior generative capacity of large pre-trained language models (PLMs). In this paper, we study a flexible and efficient zero-short learning method, \textsc{ZeroGen}.…

Computation and Language · Computer Science 2022-10-25 Jiacheng Ye , Jiahui Gao , Qintong Li , Hang Xu , Jiangtao Feng , Zhiyong Wu , Tao Yu , Lingpeng Kong

Zero-Shot Learning (ZSL) aims to transfer classification capability from seen to unseen classes. Recent methods have proved that generalization and specialization are two essential abilities to achieve good performance in ZSL. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Yun Li , Zhe Liu , Xiaojun Chang , Julian McAuley , Lina Yao