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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…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Xiangli Yang , Xinglin Pan , Irwin King , Zenglin Xu

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…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Nan Pu , Zhun Zhong , Nicu Sebe

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…

计算机视觉与模式识别 · 计算机科学 2024-03-08 Shijie Ma , Fei Zhu , Zhun Zhong , Xu-Yao Zhang , Cheng-Lin Liu

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…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Wei Feng , Zongyuan Ge

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…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Duo Liu , Zhiquan Tan , Linglan Zhao , Zhongqiang Zhang , Xiangzhong Fang , Weiran Huang

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,…

人工智能 · 计算机科学 2025-07-31 Cuong Manh Hoang

We tackle the issue of generalized category discovery (GCD). GCD considers the open-world problem of automatically clustering a partially labelled dataset, in which the unlabelled data may contain instances from both novel categories and…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Shaozhe Hao , Kai Han , Kwan-Yee K. Wong

Generalized Category Discovery (GCD) aims to recognize both known and novel categories from a set of unlabeled data, based on another dataset labeled with only known categories. Without considering differences between known and novel…

计算与语言 · 计算机科学 2023-03-16 Wenbin An , Feng Tian , Qinghua Zheng , Wei Ding , QianYing Wang , Ping Chen

Generalized Category Discovery (GCD) aims to recognize unlabeled images from known and novel classes by distinguishing novel classes from known ones, while also transferring knowledge from another set of labeled images with known classes.…

计算机视觉与模式识别 · 计算机科学 2025-07-10 Qiyuan Dai , Hanzhuo Huang , Yu Wu , Sibei Yang

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…

机器学习 · 计算机科学 2024-05-01 Ye Wang , Yaxiong Wang , Yujiao Wu , Bingchen Zhao , Xueming Qian

Generalized Category Discovery (GCD) aims to classify unlabeled data from both known and unknown categories by leveraging knowledge from labeled known categories. While existing methods have made notable progress, they often overlook a…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Qiyu Xu , Zhanxuan Hu , Yu Duan , Ercheng Pei , Yonghang Tai

In this paper, we address the problem of generalized category discovery (GCD), \ie, given a set of images where part of them are labelled and the rest are not, the task is to automatically cluster the images in the unlabelled data,…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Bingchen Zhao , Xin Wen , Kai Han

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…

计算机视觉与模式识别 · 计算机科学 2023-05-18 Rabah Ouldnoughi , Chia-Wen Kuo , Zsolt Kira

Generalized Category Discovery (GCD) tackles the challenging problem of categorizing unlabeled images into both known and novel classes within a partially labeled dataset, without prior knowledge of the number of unknown categories.…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Mingfu Yan , Jiancheng Huang , Yifan Liu , Shifeng Chen

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…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Xinzi Cao , Xiawu Zheng , Guanhong Wang , Weijiang Yu , Yunhang Shen , Ke Li , Yutong Lu , Yonghong Tian

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,…

计算与语言 · 计算机科学 2026-05-06 Henry Peng Zou , Siffi Singh , Yi Nian , Jianfeng He , Jason Cai , Saab Mansour , Hang Su

This paper addresses generalized category discovery (GCD), the task of clustering unlabeled data from potentially known or unknown categories with the help of labeled instances from each known category. Compared to traditional…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Menglin Wang , Zhun Zhong , Xiaojin Gong

In this paper, we tackle the problem of Generalized Category Discovery (GCD). Given a dataset containing both labelled and unlabelled images, the objective is to categorize all images in the unlabelled subset, irrespective of whether they…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Yuanpei Liu , Kai Han

In open-world scenarios, Generalized Category Discovery (GCD) requires identifying both known and novel categories within unlabeled data. However, existing methods often suffer from prototype confusion caused by shortcut learning, which…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Kailin Lyu , Jianwei He , Long Xiao , Jianing Zeng , Liang Fan , Lin Shu , Jie Hao

Generalized category discovery (GCD) is a pragmatic but underexplored problem, which requires models to automatically cluster and discover novel categories by leveraging the labeled samples from old classes. The challenge is that unlabeled…

机器学习 · 计算机科学 2025-04-08 Shijie Ma , Fei Zhu , Xu-Yao Zhang , Cheng-Lin Liu
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