English
Related papers

Related papers: NEV-NCD: Negative Learning, Entropy, and Variance …

200 papers

New Intent Discovery (NID) aims to recognize known and infer new intent categories with the help of limited labeled and large-scale unlabeled data. The task is addressed as a feature-clustering problem and recent studies augment instance…

Computation and Language · Computer Science 2024-03-26 Shun Zhang , Jian Yang , Jiaqi Bai , Chaoran Yan , Tongliang Li , Zhao Yan , Zhoujun Li

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…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Hyungmin Kim , Sungho Suh , Daehwan Kim , Daun Jeong , Hansang Cho , Junmo Kim

We address the problem of novelty detection in multiclass scenarios where some class labels are missing from the training set. Our method is based on the initial assignment of confidence values, which measure the affinity between a new test…

Computer Vision and Pattern Recognition · Computer Science 2016-05-17 Nomi Vinokurov , Daphna Weinshall

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

We tackle the problem of discovering novel classes in an image collection given labelled examples of other classes. We present a new approach called AutoNovel to address this problem by combining three ideas: (1) we suggest that the common…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Kai Han , Sylvestre-Alvise Rebuffi , Sébastien Ehrhardt , Andrea Vedaldi , Andrew Zisserman

While many works on Continual Learning have shown promising results for mitigating catastrophic forgetting, they have relied on supervised training. To successfully learn in a label-agnostic incremental setting, a model must distinguish…

Machine Learning · Computer Science 2021-12-09 Shivam Khare , Kun Cao , James Rehg

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

Convolutional neural networks (CNNs) have been successfully applied to the single target tracking task in recent years. Generally, training a deep CNN model requires numerous labeled training samples, and the number and quality of these…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Di Yuan , Xiaojun Chang , Yi Yang , Qiao Liu , Dehua Wang , Zhenyu He

Change Detection (CD) aims to identify pixels with semantic changes between images. However, annotating massive numbers of pixel-level images is labor-intensive and costly, especially for multi-temporal images, which require pixel-wise…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Kaiyu Li , Xiangyong Cao , Yupeng Deng , Jiayi Song , Junmin Liu , Deyu Meng , Zhi Wang

We propose a semi-supervised learning approach for video classification, VideoSSL, using convolutional neural networks (CNN). Like other computer vision tasks, existing supervised video classification methods demand a large amount of…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Longlong Jing , Toufiq Parag , Zhe Wu , Yingli Tian , Hongcheng Wang

Active learning is a commonly used approach that reduces the labeling effort required to train deep neural networks. However, the effectiveness of current active learning methods is limited by their closed-world assumptions, which assume…

Machine Learning · Computer Science 2024-01-11 Ruiyu Mao , Ouyang Xu , Yunhui Guo

Open Set Video Anomaly Detection (OpenVAD) aims to identify abnormal events from video data where both known anomalies and novel ones exist in testing. Unsupervised models learned solely from normal videos are applicable to any testing…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Yuansheng Zhu , Wentao Bao , Qi Yu

One important desideratum of lifelong learning aims to discover novel classes from unlabelled data in a continuous manner. The central challenge is twofold: discovering and learning novel classes while mitigating the issue of catastrophic…

Artificial Intelligence · Computer Science 2024-03-07 Guangyao Chen , Peixi Peng , Yangru Huang , Mengyue Geng , Yonghong Tian

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…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Ruobing Jiang , Yang Liu , Haobing Liu , Yanwei Yu , Chunyang Wang

Out-of-distribution (OOD) detection aims at identifying samples from unknown classes, playing a crucial role in trustworthy models against errors on unexpected inputs. Extensive research has been dedicated to exploring OOD detection in the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Xue Jiang , Feng Liu , Zhen Fang , Hong Chen , Tongliang Liu , Feng Zheng , Bo Han

Deep convolutional neural networks (CNNs) have demonstrated remarkable success in computer vision by supervisedly learning strong visual feature representations. However, training CNNs relies heavily on the availability of exhaustive…

Computer Vision and Pattern Recognition · Computer Science 2019-05-31 Jiabo Huang , Qi Dong , Shaogang Gong , Xiatian Zhu

Video Anomaly Detection (VAD) remains a fundamental yet formidable task in the video understanding community, with promising applications in areas such as information forensics and public safety protection. Due to the rarity and diversity…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Yang Liu , Hongjin Wang , Zepu Wang , Xiaoguang Zhu , Jing Liu , Peng Sun , Rui Tang , Jianwei Du , Victor C. M. Leung , Liang Song

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) challenges methods to identify known and novel classes using partially labeled data, mirroring human category learning. Unlike prior GCD methods, which operate within a single modality and require…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Jordan Shipard , Arnold Wiliem , Kien Nguyen Thanh , Wei Xiang , Clinton Fookes

In open-world semi-supervised learning, a machine learning model is tasked with uncovering novel categories from unlabeled data while maintaining performance on seen categories from labeled data. The central challenge is the substantial…

Machine Learning · Computer Science 2024-04-18 Bo Ye , Kai Gan , Tong Wei , Min-Ling Zhang