中文
相关论文

相关论文: NC-NCD: Novel Class Discovery for Node Classificat…

200 篇论文

Node classification on graphs is of great importance in many applications. Due to the limited labeling capability and evolution in real-world open scenarios, novel classes can emerge on unlabeled testing nodes. However, little attention has…

机器学习 · 计算机科学 2024-04-01 Yucheng Jin , Yun Xiong , Juncheng Fang , Xixi Wu , Dongxiao He , Xing Jia , Bingchen Zhao , Philip Yu

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

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

This paper addresses the problem of Rehearsal-Free Continual Category Discovery (RF-CCD), which focuses on continuously identifying novel class by leveraging knowledge from labeled data. Existing methods typically train from scratch,…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Chuyu Zhang , Xueyang Yu , Peiyan Gu , Xuming He

Semi-supervised learning (SSL) is one of the dominant approaches to address the annotation bottleneck of supervised learning. Recent SSL methods can effectively leverage a large repository of unlabeled data to improve performance while…

计算机视觉与模式识别 · 计算机科学 2022-07-29 Mamshad Nayeem Rizve , Navid Kardan , Salman Khan , Fahad Shahbaz Khan , Mubarak Shah

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

We tackle the problem of discovering novel classes in an image collection given labelled examples of other classes. This setting is similar to semi-supervised learning, but significantly harder because there are no labelled examples for the…

计算机视觉与模式识别 · 计算机科学 2020-02-14 Kai Han , Sylvestre-Alvise Rebuffi , Sebastien Ehrhardt , Andrea Vedaldi , Andrew Zisserman

Discovering novel concepts in unlabelled datasets and in a continuous manner is an important desideratum of lifelong learners. In the literature such problems have been partially addressed under very restricted settings, where novel classes…

计算机视觉与模式识别 · 计算机科学 2024-08-26 Mingxuan Liu , Subhankar Roy , Zhun Zhong , Nicu Sebe , Elisa Ricci

We consider the problem of discovering novel object categories in an image collection. While these images are unlabelled, we also assume prior knowledge of related but different image classes. We use such prior knowledge to reduce the…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Kai Han , Andrea Vedaldi , Andrew Zisserman

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…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Tingzhang Luo , Mingxuan Du , Jiatao Shi , Xinxiang Chen , Bingchen Zhao , Shaoguang Huang

Recent advances in deep learning have significantly improved the performance of various computer vision applications. However, discovering novel categories in an incremental learning scenario remains a challenging problem due to the lack of…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Hyungmin Kim , Sungho Suh , Daehwan Kim , Daun Jeong , Hansang Cho , Junmo Kim

Continuous category discovery (CCD) aims to automatically discover novel categories in continuously arriving unlabeled data. This is a challenging problem considering that there is no number of categories and labels in the newly arrived…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Ruobing Jiang , Yang Liu , Haobing Liu , Yanwei Yu , Chunyang Wang

In Generalized Category Discovery (GCD), we cluster unlabeled samples of known and novel classes, leveraging a training dataset of known classes. A salient challenge arises due to domain shifts between these datasets. To address this, we…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Sai Bhargav Rongali , Sarthak Mehrotra , Ankit Jha , Mohamad Hassan N C , Shirsha Bose , Tanisha Gupta , Mainak Singha , Biplab Banerjee

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) 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

In this paper, we tackle the problem of novel visual category discovery, i.e., grouping unlabelled images from new classes into different semantic partitions by leveraging a labelled dataset that contains images from other different but…

计算机视觉与模式识别 · 计算机科学 2022-01-04 Bingchen Zhao , Kai Han

Existing slot filling models can only recognize pre-defined in-domain slot types from a limited slot set. In the practical application, a reliable dialogue system should know what it does not know. In this paper, we introduce a new task,…

计算与语言 · 计算机科学 2021-06-01 Yanan Wu , Zhiyuan Zeng , Keqing He , Hong Xu , Yuanmeng Yan , Huixing Jiang , Weiran Xu

In this study, we tackle Generalized Category Discovery (GCD) via a Relational Retrieval perspective, explicitly coupling labeled and unlabeled data through bidirectional knowledge transfer. While existing methods treat these sources…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Yulin Xu , Chunqi Guo , Yuanzhen Shuai , Jianyuan Ni

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

This paper studies the problem of novel category discovery on single- and multi-modal data with labels from different but relevant categories. We present a generic, end-to-end framework to jointly learn a reliable representation and assign…

计算机视觉与模式识别 · 计算机科学 2021-10-18 Xuhui Jia , Kai Han , Yukun Zhu , Bradley Green