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Few-shot learning (FSL) aims to recognize new concepts using a limited number of visual samples. Existing approaches attempt to incorporate semantic information into the limited visual data for category understanding. However, these methods…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Mushui Liu , Fangtai Wu , Bozheng Li , Ziqian Lu , Yunlong Yu , Xi Li

Among 2D convolutional networks on point clouds, point-based approaches consume point clouds of fixed size directly. By analysis of PointNet, a pioneer in introducing deep learning into point sets, we reveal that current point-based methods…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Zhenpeng Chen , Yuan li

Incremental few-shot semantic segmentation (IFSS) targets at incrementally expanding model's capacity to segment new class of images supervised by only a few samples. However, features learned on old classes could significantly drift,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Guangchen Shi , Yirui Wu , Jun Liu , Shaohua Wan , Wenhai Wang , Tong Lu

Meta-learning methods have been widely used in few-shot named entity recognition (NER), especially prototype-based methods. However, the Other(O) class is difficult to be represented by a prototype vector because there are generally a large…

Computation and Language · Computer Science 2023-02-16 Chengcheng Han , Renyu Zhu , Jun Kuang , FengJiao Chen , Xiang Li , Ming Gao , Xuezhi Cao , Wei Wu

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

This paper studies the few-shot segmentation (FSS) task, which aims to segment objects belonging to unseen categories in a query image by learning a model on a small number of well-annotated support samples. Our analysis of two mainstream…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Tianyu Zou , Shengwu Xiong , Ruilin Yao , Yi Rong

Large vision-language models have impressively promote the performance of 2D visual recognition under zero/few-shot scenarios. In this paper, we focus on exploiting the large vision-language model, i.e., CLIP, to address zero/few-shot 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Dongyun Lin , Yi Cheng , Shangbo Mao , Aiyuan Guo , Yiqun Li

Few-shot semantic segmentation aims to segment the target objects in query under the condition of a few annotated support images. Most previous works strive to mine more effective category information from the support to match with the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Yuanwei Liu , Nian Liu , Xiwen Yao , Junwei Han

The Prototypical Network (ProtoNet) has emerged as a popular choice in Few-shot Learning (FSL) scenarios due to its remarkable performance and straightforward implementation. Building upon such success, we first propose a simple (yet novel)…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-10 Xuanyu Zhuang , Geoffroy Peeters , Gaël Richard

Few-shot classification consists of learning a predictive model that is able to effectively adapt to a new class, given only a few annotated samples. To solve this challenging problem, meta-learning has become a popular paradigm that…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Nikita Dvornik , Cordelia Schmid , Julien Mairal

With the tide of artificial intelligence, we try to apply deep learning to understand 3D data. Point cloud is an important 3D data structure, which can accurately and directly reflect the real world. In this paper, we propose a simple and…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Kang Zhiheng , Li Ning

Point cloud few-shot semantic segmentation (PC-FSS) aims to segment targets of novel categories in a given query point cloud with only a few annotated support samples. The current top-performing prototypical learning methods employ…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Zhaoyang Li , Yuan Wang , Wangkai Li , Rui Sun , Tianzhu Zhang

Knowledge distillation has been successfully applied to Continual Learning Named Entity Recognition (CLNER) tasks, by using a teacher model trained on old-class data to distill old-class entities present in new-class data as a form of…

Computation and Language · Computer Science 2025-08-12 Zhe Ren

Although extensive research has been conducted on 3D point cloud segmentation, effectively adapting generic models to novel categories remains a formidable challenge. This paper proposes a novel approach to improve point cloud few-shot…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Zhenhua Ning , Zhuotao Tian , Guangming Lu , Wenjie Pei

This paper introduces Progressively Diffused Networks (PDNs) for unifying multi-scale context modeling with deep feature learning, by taking semantic image segmentation as an exemplar application. Prior neural networks, such as ResNet, tend…

Computer Vision and Pattern Recognition · Computer Science 2017-02-21 Ruimao Zhang , Wei Yang , Zhanglin Peng , Xiaogang Wang , Liang Lin

Representation learning from 3D point clouds is challenging due to their inherent nature of permutation invariance and irregular distribution in space. Existing deep learning methods follow a hierarchical feature extraction paradigm in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Rahul Chakwate , Arulkumar Subramaniam , Anurag Mittal

Point cloud is an important type of geometric data structure. Due to its irregular format, most researchers transform such data to regular 3D voxel grids or collections of images. This, however, renders data unnecessarily voluminous and…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Charles R. Qi , Hao Su , Kaichun Mo , Leonidas J. Guibas

In recent years, deep learning based on Convolutional Neural Networks (CNNs) has achieved remarkable success in many applications. However, their heavy reliance on extensive labeled data and limited generalization ability to unseen classes…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Xiaoxiao Wu , Zhenguo Gao , Xiaowei Chen , Yakai Wang , Shulei Qu , Na Li

Prototype-based meta-learning has emerged as a powerful technique for addressing few-shot learning challenges. However, estimating a deterministic prototype using a simple average function from a limited number of examples remains a fragile…

Machine Learning · Computer Science 2023-11-08 Yingjun Du , Zehao Xiao , Shengcai Liao , Cees Snoek

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