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Visual semantic segmentation aims at separating a visual sample into diverse blocks with specific semantic attributes and identifying the category for each block, and it plays a crucial role in environmental perception. Conventional…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Wenqi Ren , Yang Tang , Qiyu Sun , Chaoqiang Zhao , Qing-Long Han

Zero-Shot Learning (ZSL) has attracted huge research attention over the past few years; it aims to learn the new concepts that have never been seen before. In classical ZSL algorithms, attributes are introduced as the intermediate semantic…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Bo Zhao , Yanwei Fu , Rui Liang , Jiahong Wu , Yonggang Wang , Yizhou Wang

Teaching machines to recognize a new category based on few training samples especially only one remains challenging owing to the incomprehensive understanding of the novel category caused by the lack of data. However, human can learn new…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Fengyuan Yang , Ruiping Wang , Xilin Chen

The role of semantics in zero-shot learning is considered. The effectiveness of previous approaches is analyzed according to the form of supervision provided. While some learn semantics independently, others only supervise the semantic…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Pedro Morgado , Nuno Vasconcelos

Relation classification aims to extract semantic relations between entity pairs from the sentences. However, most existing methods can only identify seen relation classes that occurred during training. To recognize unseen relations at test…

Computation and Language · Computer Science 2020-11-02 Juan Li , Ruoxu Wang , Ningyu Zhang , Wen Zhang , Fan Yang , Huajun Chen

This paper studies the problem of generalized zero-shot learning which requires the model to train on image-label pairs from some seen classes and test on the task of classifying new images from both seen and unseen classes. Most previous…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 He Huang , Changhu Wang , Philip S. Yu , Chang-Dong Wang

Most methods tackle zero-shot video classification by aligning visual-semantic representations within seen classes, which limits generalization to unseen classes. To enhance model generalizability, this paper presents an end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Shi Pu , Kaili Zhao , Mao Zheng

Generalized zero-shot learning aims to recognize both seen and unseen classes with the help of semantic information that is shared among different classes. It inevitably requires consistent visual-semantic alignment. Existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Huajie Jiang , Zhengxian Li , Xiaohan Yu , Yongli Hu , Baocai Yin , Jian Yang , Yuankai Qi

Zero-Shot Learning (ZSL) models aim to classify object classes that are not seen during the training process. However, the problem of class imbalance is rarely discussed, despite its presence in several ZSL datasets. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Changkun Ye , Nick Barnes , Lars Petersson , Russell Tsuchida

The performance of generative zero-shot methods mainly depends on the quality of generated features and how well the model facilitates knowledge transfer between visual and semantic domains. The quality of generated features is a direct…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Shivam Chandhok , Vineeth N Balasubramanian

Object classes that surround us have a natural tendency to emerge at varying levels of abstraction. We propose a Bayesian approach to zero-shot learning (ZSL) that introduces the notion of meta-classes and implements a Bayesian hierarchy…

Computer Vision and Pattern Recognition · Computer Science 2020-08-28 Sarkhan Badirli , Zeynep Akata , Murat Dundar

We study universal zero-shot segmentation in this work to achieve panoptic, instance, and semantic segmentation for novel categories without any training samples. Such zero-shot segmentation ability relies on inter-class relationships in…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Shuting He , Henghui Ding , Wei Jiang

We present a deep generative model for learning to predict classes not seen at training time. Unlike most existing methods for this problem, that represent each class as a point (via a semantic embedding), we represent each seen/unseen…

Machine Learning · Computer Science 2017-11-21 Wenlin Wang , Yunchen Pu , Vinay Kumar Verma , Kai Fan , Yizhe Zhang , Changyou Chen , Piyush Rai , Lawrence Carin

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…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Valter Estevam , Rayson Laroca , Helio Pedrini , David Menotti

Zero-shot learning (ZSL) aims to recognize unseen classes accurately by learning seen classes and known attributes, but correlations in attributes were ignored by previous study which lead to classification results confused. To solve this…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Chunlai Chai , Yukuan Lou , Shijin Zhang

Compositional Zero-Shot Learning (CZSL) aims to recognize novel attribute-object compositions based on the knowledge learned from seen ones. Existing methods suffer from performance degradation caused by the distribution shift of label…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Xudong Yan , Songhe Feng , Jiaxin Wang , Xin Su , Yi Jin

Fine-grained image classification, which aims to distinguish images with subtle distinctions, is a challenging task due to two main issues: lack of sufficient training data for every class and difficulty in learning discriminative features…

Computer Vision and Pattern Recognition · Computer Science 2017-07-05 Aoxue Li , Zhiwu Lu , Liwei Wang , Tao Xiang , Xinqi Li , Ji-Rong Wen

We consider the problem of zero-shot one-class visual classification, extending traditional one-class classification to scenarios where only the label of the target class is available. This method aims to discriminate between positive and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Yassir Bendou , Giulia Lioi , Bastien Pasdeloup , Lukas Mauch , Ghouthi Boukli Hacene , Fabien Cardinaux , Vincent Gripon

Zero-shot learning deals with the ability to recognize objects without any visual training sample. To counterbalance this lack of visual data, each class to recognize is associated with a semantic prototype that reflects the essential…

Computer Vision and Pattern Recognition · Computer Science 2021-02-08 Yannick Le Cacheux , Hervé Le Borgne , Michel Crucianu

Compositional Zero-Shot Learning (CZSL) aims to recognize unseen compositions from seen states and objects. The disparity between the manually labeled semantic information and its actual visual features causes a significant imbalance of…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Chenyi Jiang , Dubing Chen , Shidong Wang , Yuming Shen , Haofeng Zhang , Ling Shao