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Generalized zero shot learning (GZSL) is still a technical challenge of deep learning as it has to recognize both source and target classes without data from target classes. To preserve the semantic relation between source and target…

Machine Learning · Computer Science 2021-12-07 Chunlin Ji , Hanchu Shen , Zhan Xiong , Feng Chen , Meiying Zhang , Huiwen Yang

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

Zero-shot learning on 3D point cloud data is a related underexplored problem compared to its 2D image counterpart. 3D data brings new challenges for ZSL due to the unavailability of robust pre-trained feature extraction models. To address…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Majid Nasiri , Ali Cheraghian , Townim Faisal Chowdhury , Sahar Ahmadi , Morteza Saberi , Shafin Rahman

Zero-shot learning (ZSL) aims to classify objects that are not observed or seen during training. It relies on class semantic description to transfer knowledge from the seen classes to the unseen classes. Existing methods of obtaining class…

Computer Vision and Pattern Recognition · Computer Science 2023-10-19 Fahimul Hoque Shubho , Townim Faisal Chowdhury , Ali Cheraghian , Morteza Saberi , Nabeel Mohammed , Shafin Rahman

Semantic-descriptor-based Generalized Zero-Shot Learning (GZSL) poses challenges in recognizing novel classes in the test phase. The development of generative models enables current GZSL techniques to probe further into the semantic-visual…

Computer Vision and Pattern Recognition · Computer Science 2022-05-06 Dubing Chen , Yuming Shen , Haofeng Zhang , Philip H. S. Torr

The need to address the scarcity of task-specific annotated data has resulted in concerted efforts in recent years for specific settings such as zero-shot learning (ZSL) and domain generalization (DG), to separately address the issues of…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Shivam Chandhok , Sanath Narayan , Hisham Cholakkal , Rao Muhammad Anwer , Vineeth N Balasubramanian , Fahad Shahbaz Khan , Ling Shao

Zero-shot learning (ZSL) aims to recognize objects from unseen classes, where the kernel problem is to transfer knowledge from seen classes to unseen classes by establishing appropriate mappings between visual and semantic features. The…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Bo Liu , Qiulei Dong , Zhanyi Hu

In the problem of generalized zero-shot learning, the datapoints from unknown classes are not available during training. The main challenge for generalized zero-shot learning is the unbalanced data distribution which makes it hard for the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-09 Hongguang Zhang , Piotr Koniusz

3D point cloud semantic segmentation aims to group all points into different semantic categories, which benefits important applications such as point cloud scene reconstruction and understanding. Existing supervised point cloud semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Canyu Zhang , Zhenyao Wu , Xinyi Wu , Ziyu Zhao , Song Wang

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 address the problem of generalized zero-shot semantic segmentation (GZS3) predicting pixel-wise semantic labels for seen and unseen classes. Most GZS3 methods adopt a generative approach that synthesizes visual features of unseen classes…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Donghyeon Baek , Youngmin Oh , Bumsub Ham

Zero-shot learning (ZSL) is made possible by learning a projection function between a feature space and a semantic space (e.g.,~an attribute space). Key to ZSL is thus to learn a projection that is robust against the often large domain gap…

Computer Vision and Pattern Recognition · Computer Science 2018-10-22 Zhiwu Lu , Jiechao Guan , Aoxue Li , Tao Xiang , An Zhao , Ji-Rong Wen

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…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Sandipan Sarma , Sushil Kumar , Arijit Sur

Zero-shot learning (ZSL) has received increasing attention in recent years especially in areas of fine-grained object recognition, retrieval, and image captioning. The key to ZSL is to transfer knowledge from the seen to the unseen classes…

Machine Learning · Computer Science 2020-02-12 Zhizhe Liu , Xingxing Zhang , Zhenfeng Zhu , Shuai Zheng , Yao Zhao , Jian Cheng

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…

Machine Learning · Computer Science 2019-08-15 Chuanxing Geng , Lue Tao , Songcan Chen

Generalized Zero-Shot Learning (GZSL) is the task of leveraging semantic information (e.g., attributes) to recognize the seen and unseen samples, where unseen classes are not observable during training. It is natural to derive generative…

Computer Vision and Pattern Recognition · Computer Science 2021-07-08 Zhi Chen , Yadan Luo , Sen Wang , Ruihong Qiu , Jingjing Li , Zi Huang

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

To recognize objects of the unseen classes, most existing Zero-Shot Learning(ZSL) methods first learn a compatible projection function between the common semantic space and the visual space based on the data of source seen classes, then…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Ziyu Wan , Dongdong Chen , Yan Li , Xingguang Yan , Junge Zhang , Yizhou Yu , Jing Liao

The Zero-Shot Learning (ZSL) task attempts to learn concepts without any labeled data. Unlike traditional classification/detection tasks, the evaluation environment is provided unseen classes never encountered during training. As such, it…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Abhijit Suprem

In some of object recognition problems, labeled data may not be available for all categories. Zero-shot learning utilizes auxiliary information (also called signatures) describing each category in order to find a classifier that can…

Computer Vision and Pattern Recognition · Computer Science 2016-06-01 Seyed Mohsen Shojaee , Mahdieh Soleymani Baghshah