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We address the problem of generalized category discovery (GCD) that aims to partition a partially labeled collection of images; only a small part of the collection is labeled and the total number of target classes is unknown. To address…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Sua Choi , Dahyun Kang , Minsu Cho

Generalized Category Discovery (GCD) seeks to identify novel categories from unlabeled data while retaining the classification ability of seen categories. Prior GCD methods commonly leverage transferable representations from pre-trained…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Bo Ye , Kai Gan , Tong Wei , Min-Ling Zhang

We develop techniques for refining representations for fine-grained classification and segmentation tasks in a self-supervised manner. We find that fine-tuning methods based on instance-discriminative contrastive learning are not as…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Oindrila Saha , Subhransu Maji

We explore the problem of Incremental Generalized Category Discovery (IGCD). This is a challenging category incremental learning setting where the goal is to develop models that can correctly categorize images from previously seen…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Bingchen Zhao , Oisin Mac Aodha

Generalized Category Discovery (GCD) is an emerging and challenging open-world problem that has garnered increasing attention in recent years. Most existing GCD methods focus on discovering categories in static images. However, relying…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Zhang Jing , Pu Nan , Xie Yu Xiang , Guo Yanming , Lu Qianqi , Zou Shiwei , Yan Jie , Chen Yan

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

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) 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

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

Human perceptual systems excel at inducing and recognizing objects across both known and novel categories, a capability far beyond current machine learning frameworks. While generalized category discovery (GCD) aims to bridge this gap,…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Luyao Tang , Kunze Huang , Chaoqi Chen , Yuxuan Yuan , Chenxin Li , Xiaotong Tu , Xinghao Ding , Yue Huang

Fine-grained visual recognition is to classify objects with visually similar appearances into subcategories, which has made great progress with the development of deep CNNs. However, handling subtle differences between different…

计算机视觉与模式识别 · 计算机科学 2022-12-29 Yifan Zhao , Jia Li , Xiaowu Chen , Yonghong Tian

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

Generalized Category Discovery (GCD) aims to identify novel categories in unlabeled data while leveraging a small labeled subset of known classes. Training a parametric classifier solely on image features often leads to overfitting to old…

计算机视觉与模式识别 · 计算机科学 2026-02-20 Lorenzo Caselli , Marco Mistretta , Simone Magistri , Andrew D. Bagdanov

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 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 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) focuses on classifying known categories while simultaneously discovering novel categories from unlabeled data. However, previous GCD methods face challenges due to inconsistent optimization objectives…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Jizhou Han , Shaokun Wang , Yuhang He , Chenhao Ding , Qiang Wang , Xinyuan Gao , SongLin Dong , Yihong Gong

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…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Bhupendra Solanki , Ashwin Nair , Mainak Singha , Souradeep Mukhopadhyay , Ankit Jha , Biplab Banerjee

While existing Generalized Category Discovery (GCD) models have achieved significant success, their performance with limited labeled samples and a small number of known categories remains largely unexplored. In this work, we introduce the…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Yunhan Ren , Feng Luo , Siyu Huang

Continual Generalized Category Discovery (C-GCD) faces a critical challenge: incrementally learning new classes from unlabeled data streams while preserving knowledge of old classes. Existing methods struggle with catastrophic forgetting,…

机器学习 · 计算机科学 2025-07-24 Hao Dai , Jagmohan Chauhan