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Existing few-shot segmentation methods have achieved great progress based on the support-query matching framework. But they still heavily suffer from the limited coverage of intra-class variations from the few-shot supports provided.…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Qi Fan , Wenjie Pei , Yu-Wing Tai , Chi-Keung Tang

Few-Shot Medical Image Segmentation (FSMIS) has been widely used to train a model that can perform segmentation from only a few annotated images. However, most existing prototype-based FSMIS methods generate multiple prototypes from the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Jianchao Jiang , Haofeng Zhang

Previous Few-Shot Segmentation (FSS) approaches exclusively utilize support features for prototype generation, neglecting the specific requirements of the query. To address this, we present the Query-guided Prototype Evolution Network…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Runmin Cong , Hang Xiong , Jinpeng Chen , Wei Zhang , Qingming Huang , Yao Zhao

Few-shot image classification aims at recognizing unseen categories with a small number of labeled training data. Recent metric-based frameworks tend to represent a support class by a fixed prototype (e.g., the mean of the support category)…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Yaohui Li , Huaxiong Li , Haoxing Chen , Chunlin Chen

Few-shot 3D point cloud segmentation (FS-PCS) aims at generalizing models to segment novel categories with minimal annotated support samples. While existing FS-PCS methods have shown promise, they primarily focus on unimodal point cloud…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 Zhaochong An , Guolei Sun , Yun Liu , Runjia Li , Min Wu , Ming-Ming Cheng , Ender Konukoglu , Serge Belongie

Few-Shot 3D Point Cloud Semantic Segmentation (FS-PCS) aims to predict per-point labels for an unlabeled point cloud, given only a few labeled examples. To extract discriminative representations from the limited labeled set, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Jiyun Im , SuBeen Lee , Miso Lee , Jae-Pil Heo

Few-shot Semantic Segmentation (FSS) was proposed to segment unseen classes in a query image, referring to only a few annotated examples named support images. One of the characteristics of FSS is spatial inconsistency between query and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Leilei Cao , Yibo Guo , Ye Yuan , Qiangguo Jin

Few-shot object detection (FSOD) aims to detect never-seen objects using few examples. This field sees recent improvement owing to the meta-learning techniques by learning how to match between the query image and few-shot class examples,…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Guangxing Han , Yicheng He , Shiyuan Huang , Jiawei Ma , Shih-Fu Chang

Few-Shot Medical Image Segmentation (FSMIS) aims to segment novel classes of medical objects using only a few labeled images. Prototype-based methods have made significant progress in addressing FSMIS. However, they typically generate a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Chao Fan , Xibin Jia , Anqi Xiao , Hongyuan Yu , Zhenghan Yang , Dawei Yang , Hui Xu , Yan Huang , Liang Wang

Few-shot semantic segmentation is vital for deep learning-based infrastructure inspection applications, where labeled training examples are scarce and expensive. Although existing deep learning frameworks perform well, the need for…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Christina Thrainer , Md Meftahul Ferdaus , Mahdi Abdelguerfi , Christian Guetl , Steven Sloan , Kendall N. Niles , Ken Pathak

Semantic segmentation models have two fundamental weaknesses: i) they require large training sets with costly pixel-level annotations, and ii) they have a static output space, constrained to the classes of the training set. Toward…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Fabio Cermelli , Massimiliano Mancini , Yongqin Xian , Zeynep Akata , Barbara Caputo

One-shot semantic image segmentation aims to segment the object regions for the novel class with only one annotated image. Recent works adopt the episodic training strategy to mimic the expected situation at testing time. However, these…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Tao Chen , Guosen Xie , Yazhou Yao , Qiong Wang , Fumin Shen , Zhenmin Tang , Jian Zhang

Generalized few-shot 3D point cloud segmentation (GFS-PCS) adapts models to new classes with few support samples while retaining base class segmentation. Existing GFS-PCS methods enhance prototypes via interacting with support or query…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Zhaochong An , Guolei Sun , Yun Liu , Runjia Li , Junlin Han , Ender Konukoglu , Serge Belongie

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

Existing zero-shot 3D point cloud segmentation methods often struggle with limited transferability from seen classes to unseen classes and from semantic to visual space. To alleviate this, we introduce 3D-PointZshotS, a geometry-aware…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Minmin Yang , Huantao Ren , Senem Velipasalar

3D point cloud semantic segmentation is one of the fundamental tasks for 3D scene understanding and has been widely used in the metaverse applications. Many recent 3D semantic segmentation methods learn a single prototype (classifier…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Yangheng Zhao , Jun Wang , Xiaolong Li , Yue Hu , Ce Zhang , Yanfeng Wang , Siheng Chen

Few-shot point cloud semantic segmentation aims to train a model to quickly adapt to new unseen classes with only a handful of support set samples. However, the noise-free assumption in the support set can be easily violated in many…

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

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

Open-world point cloud semantic segmentation (OW-Seg) aims to predict point labels of both base and novel classes in real-world scenarios. However, existing methods rely on resource-intensive offline incremental learning or densely…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Peng Zhang , Songru Yang , Jinsheng Sun , Weiqing Li , Zhiyong Su

Few-shot segmentation of point cloud remains a challenging task, as there is no effective way to convert local point cloud information to global representation, which hinders the generalization ability of point features. In this study, we…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Yongqiang Mao , Zonghao Guo , Xiaonan Lu , Zhiqiang Yuan , Haowen Guo