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Generalized Category Discovery (GCD) is a pragmatic and challenging open-world task, which endeavors to cluster unlabeled samples from both novel and old classes, leveraging some labeled data of old classes. Given that knowledge learned…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Shijie Ma , Fei Zhu , Zhun Zhong , Xu-Yao Zhang , Cheng-Lin Liu

Generalized Category Discovery (GCD) is a practical and challenging open-world task that aims to recognize both known and novel categories in unlabeled data using limited labeled data from known categories. Due to the lack of supervision,…

Computation and Language · Computer Science 2026-05-06 Henry Peng Zou , Siffi Singh , Yi Nian , Jianfeng He , Jason Cai , Saab Mansour , Hang Su

Generalized Category Discovery (GCD) requires a model to both classify known categories and cluster unknown categories in unlabeled data. Prior methods leveraged self-supervised pre-training combined with supervised fine-tuning on the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Rabah Ouldnoughi , Chia-Wen Kuo , Zsolt Kira

Generalized Category Discovery (GCD) aims to identify unlabeled samples by leveraging the base knowledge from labeled ones, where the unlabeled set consists of both base and novel classes. Since clustering methods are time-consuming at…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Duo Liu , Zhiquan Tan , Linglan Zhao , Zhongqiang Zhang , Xiangzhong Fang , Weiran Huang

Generalized Category Discovery (GCD) aims to classify both known and novel categories using partially labeled data that contains only known classes. Despite achieving strong performance on existing benchmarks, current textual GCD methods…

Computation and Language · Computer Science 2025-05-30 Yi Luo , Qiwen Wang , Junqi Yang , Luyao Tang , Zhenghao Lin , Zhenzhe Ying , Weiqiang Wang , Chen Lin

Generalized Category Discovery (GCD) aims to categorize unlabelled instances from both known and unknown classes by transferring knowledge from labelled data of known classes. Existing methods assume all data comes from a single domain, yet…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Hongjun Wang , Po Hu , Kai Han

Generalized category discovery (GCD) is a recently proposed open-world task. Given a set of images consisting of labeled and unlabeled instances, the goal of GCD is to automatically cluster the unlabeled samples using information…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Xiangli Yang , Xinglin Pan , Irwin King , Zenglin Xu

Generalized Category Discovery (GCD) utilizes labeled samples of known classes to discover novel classes in unlabeled samples. Existing methods show effective performance on artificial datasets with balanced distributions. However,…

Artificial Intelligence · Computer Science 2025-07-31 Cuong Manh Hoang

Generalized Class Discovery (GCD) aims to dynamically assign labels to unlabelled data partially based on knowledge learned from labelled data, where the unlabelled data may come from known or novel classes. The prevailing approach…

Machine Learning · Computer Science 2024-05-01 Ye Wang , Yaxiong Wang , Yujiao Wu , Bingchen Zhao , Xueming Qian

Generalized Category Discovery (GCD) seeks to uncover novel categories in unlabeled data while preserving recognition of known categories, yet prevailing visual-only pipelines and the loose coupling between supervised learning and discovery…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Jizhou Han , Chenhao Ding , Yuhang He , Qiang Wang , Shaokun Wang , SongLin Dong , Yihong Gong

We tackle the generalized category discovery (GCD) problem, which aims to discover novel classes in unlabeled datasets by leveraging the knowledge of known classes. Previous works utilize the known class knowledge through shared…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Chuyu Zhang , Peiyan Gu , Xueyang Yu , Xuming He

In this paper, we study the problem of Generalized Category Discovery (GCD), which aims to cluster unlabeled data from both known and unknown categories using the knowledge of labeled data from known categories. Current GCD methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Haiyang Zheng , Nan Pu , Wenjing Li , Nicu Sebe , Zhun Zhong

Generalized Category Discovery (GCD) aims to leverage labeled samples from known categories to cluster unlabeled data that may include both known and unknown categories. While existing methods have achieved impressive results under standard…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Wei Feng , Zongyuan Ge

Generalized category discovery (GCD) is a recently proposed open-world problem, which aims to automatically cluster partially labeled data. The main challenge is that the unlabeled data contain instances that are not only from known…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Nan Pu , Zhun Zhong , Nicu Sebe

Generalized Category Discovery (GCD) aims to identify a mix of known and novel categories within unlabeled data sets, providing a more realistic setting for image recognition. Essentially, GCD needs to remember existing patterns thoroughly…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Xinzi Cao , Xiawu Zheng , Guanhong Wang , Weijiang Yu , Yunhang Shen , Ke Li , Yutong Lu , Yonghong Tian

Generalized Category Discovery (GCD) aims to cluster unlabeled images into known and novel categories using labeled images from known classes. To address the challenge of transferring features from known to unknown classes while mitigating…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Bhupendra Solanki , Ashwin Nair , Mainak Singha , Souradeep Mukhopadhyay , Ankit Jha , Biplab Banerjee

Generalized category discovery (GCD) aims at grouping unlabeled samples from known and unknown classes, given labeled data of known classes. To meet the recent decentralization trend in the community, we introduce a practical yet…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Nan Pu , Zhun Zhong , Xinyuan Ji , Nicu Sebe

Generalized category discovery (GCD) is an important and challenging task in open-world learning. Specifically, given some labeled data of known classes, GCD aims to cluster unlabeled data that contain both known and unknown classes.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Zhimao Peng , Enguang Wang , Fei Yang , Xialei Liu , Ming-Ming Cheng

Generalized Category Discovery (GCD) is an open-world problem that clusters unlabeled data by leveraging knowledge from partially labeled categories. A key challenge is that unlabeled data may contain both known and novel categories.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Haiyang Zheng , Nan Pu , Wenjing Li , Nicu Sebe , Zhun Zhong

This paper introduces a novel approach to Generalized Category Discovery (GCD) by leveraging the concept of contextuality to enhance the identification and classification of categories in unlabeled datasets. Drawing inspiration from human…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Tingzhang Luo , Mingxuan Du , Jiatao Shi , Xinxiang Chen , Bingchen Zhao , Shaoguang Huang
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