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Few-shot segmentation (FSS) aims to segment unseen classes given only a few annotated samples. Existing methods suffer the problem of feature undermining, i.e. potential novel classes are treated as background during training phase. Our…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Lihe Yang , Wei Zhuo , Lei Qi , Yinghuan Shi , Yang Gao

Few-shot Semantic Segmentation (FSS) aims to adapt a pretrained model to new classes with as few as a single labelled training sample per class. Despite the prototype based approaches have achieved substantial success, existing models are…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Song Tang , Shaxu Yan , Xiaozhi Qi , Jianxin Gao , Mao Ye , Jianwei Zhang , Xiatian Zhu

Few-shot semantic segmentation (FSS) endeavors to segment unseen classes with only a few labeled samples. Current FSS methods are commonly built on the assumption that their training and application scenarios share similar domains, and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Weizhao He , Yang Zhang , Wei Zhuo , Linlin Shen , Jiaqi Yang , Songhe Deng , Liang Sun

The growing size of point clouds enlarges consumptions of storage, transmission, and computation of 3D scenes. Raw data is redundant, noisy, and non-uniform. Therefore, simplifying point clouds for achieving compact, clean, and uniform…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Yuanqi Li , Jianwei Guo , Xinran Yang , Shun Liu , Jie Guo , Xiaopeng Zhang , Yanwen Guo

Few-shot point cloud 3D object detection (FS3D) aims to identify and localise objects of novel classes from point clouds, using knowledge learnt from annotated base classes and novel classes with very few annotations. Thus far, this…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Xuejing Li , Weijia Zhang , Chao Ma

Semantic segmentation of point cloud usually relies on dense annotation that is exhausting and costly, so it attracts wide attention to investigate solutions for the weakly supervised scheme with only sparse points annotated. Existing works…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Yushuang Wu , Zizheng Yan , Shengcai Cai , Guanbin Li , Yizhou Yu , Xiaoguang Han , Shuguang Cui

Few-shot segmentation (FSS) aims to segment the target object in a query image using only a small set of support images and masks. Therefore, having strong prior information for the target object using the support set is essential for…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Seonghyeon Moon , Haein Kong , Muhammad Haris Khan , Mubbasir Kapadia , Yuewei Lin

Motivated by the success of the Segment Anything Model (SAM) in promptable segmentation, recent studies leverage SAM to develop training-free solutions for few-shot segmentation, which aims to predict object masks in the target image based…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Jiahao Nie , Yun Xing , Wenbin An , Qingsong Zhao , Jiawei Shao , Yap-Peng Tan , Alex C. Kot , Shijian Lu , Xuelong Li

Recent approaches for few-shot 3D point cloud semantic segmentation typically require a two-stage learning process, i.e., a pre-training stage followed by a few-shot training stage. While effective, these methods face overreliance on…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Jiahui Wang , Haiyue Zhu , Haoren Guo , Abdullah Al Mamun , Cheng Xiang , Tong Heng Lee

This paper presents an effective few-shot point cloud semantic segmentation approach for real-world applications. Existing few-shot segmentation methods on point cloud heavily rely on the fully-supervised pretrain with large annotated…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Jiahui Wang , Haiyue Zhu , Haoren Guo , Abdullah Al Mamun , Cheng Xiang , Tong Heng Lee

Few-shot Semantic Segmentation(FSS)aim to adapt a pre-trained model to new classes with as few as a single labeled training sample per class. The existing prototypical work used in natural image scenarios biasedly focus on capturing…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Song Tang , Chunxiao Zu , Wenxin Su , Yuan Dong , Mao Ye , Yan Gan , Xiatian Zhu

Remote sensing image semantic segmentation is an important problem for remote sensing image interpretation. Although remarkable progress has been achieved, existing deep neural network methods suffer from the reliance on massive training…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Linhan Wang , Shuo Lei , Jianfeng He , Shengkun Wang , Min Zhang , Chang-Tien Lu

Point cloud segmentation is a fundamental visual understanding task in 3D vision. A fully supervised point cloud segmentation network often requires a large amount of data with point-wise annotations, which is expensive to obtain. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Xiaoyu Chen , Chi Zhang , Guosheng Lin , Jing Han

Point cloud semantic segmentation is a crucial task in 3D scene understanding. Existing methods mainly focus on employing a large number of annotated labels for supervised semantic segmentation. Nonetheless, manually labeling such large…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Mingmei Cheng , Le Hui , Jin Xie , Jian Yang

We propose Foreground-Covering Prototype Generation and Matching to resolve Few-Shot Segmentation (FSS), which aims to segment target regions in unlabeled query images based on labeled support images. Unlike previous research, which…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Suho Park , SuBeen Lee , Hyun Seok Seong , Jaejoon Yoo , Jae-Pil Heo

2D images and 3D point clouds are foundational data types for multimedia applications, including real-time video analysis, augmented reality (AR), and 3D scene understanding. Class-incremental semantic segmentation (CSS) requires…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Jiaxu Li , Rui Li , Jianyu Qi , Songning Lai , Linpu Lv , Kejia Fan , Jianheng Tang , Yutao Yue , Dongzhan Zhou , Yuanhuai Liu , Huiping Zhuang

Few-shot semantic segmentation (FSS) aims to segment objects of novel categories in the query images given only a few annotated support samples. Existing methods primarily build the image-level correlation between the support target object…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Chunlin Wen , Yu Zhang , Jie Fan , Hongyuan Zhu , Xiu-Shen Wei , Yijun Wang , Zhiqiang Kou , Shuzhou Sun

Existing fully-supervised point cloud segmentation methods suffer in the dynamic testing environment with emerging new classes. Few-shot point cloud segmentation algorithms address this problem by learning to adapt to new classes at the…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Yating Xu , Conghui Hu , Na Zhao , Gim Hee Lee

Few-shot segmentation (FSS) aims to segment unseen classes using a few annotated samples. Typically, a prototype representing the foreground class is extracted from annotated support image(s) and is matched to features representing each…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Haoyan Guan , Michael Spratling

Few-shot segmentation (FSS) is proposed to segment unknown class targets with just a few annotated samples. Most current FSS methods follow the paradigm of mining the semantics from the support images to guide the query image segmentation.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Hanbo Bi , Yingchao Feng , Zhiyuan Yan , Yongqiang Mao , Wenhui Diao , Hongqi Wang , Xian Sun