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Generalized Few-shot Semantic Segmentation (GFSS) aims to segment each image pixel into either base classes with abundant training examples or novel classes with only a handful of (e.g., 1-5) training images per class. Compared to the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-28 Zhihe Lu , Sen He , Da Li , Yi-Zhe Song , Tao Xiang

LiDAR-based 3D point cloud recognition has been proven beneficial in various applications. However, the sparsity and varying density pose a significant challenge in capturing intricate details of objects, particularly for medium-range and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Zaipeng Duan , Xuzhong Hu , Pei An , Jie Ma

Currently, the state-of-the-art methods treat few-shot semantic segmentation task as a conditional foreground-background segmentation problem, assuming each class is independent. In this paper, we introduce the concept of meta-class, which…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Zhonghua Wu , Xiangxi Shi , Guosheng lin , Jianfei Cai

We tackle a novel few-shot learning challenge, which we call few-shot semantic edge detection, aiming to localize crisp boundaries of novel categories using only a few labeled samples. We also present a Class-Agnostic Few-shot Edge…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Young-Hyun Park , Jun Seo , Jaekyun Moon

Few-shot segmentation (FSS) aims to segment objects of unseen classes given only a few annotated support images. Most existing methods simply stitch query features with independent support prototypes and segment the query image by feeding…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Kai Huang , Mingfei Cheng , Yang Wang , Bochen Wang , Ye Xi , Feigege Wang , Peng Chen

Due to the emergence of powerful computing resources and large-scale annotated datasets, deep learning has seen wide applications in our daily life. However, most current methods require extensive data collection and retraining when dealing…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Chuangguan Ye , Hongyuan Zhu , Yongbin Liao , Yanggang Zhang , Tao Chen , Jiayuan Fan

Generalized few-shot semantic segmentation (GFSS) aims to segment objects of both base and novel classes, using sufficient samples of base classes and few samples of novel classes. Representative GFSS approaches typically employ a two-phase…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Xinyue Chen , Miaojing Shi , Zijian Zhou , Lianghua He , Sophia Tsoka

We address the problem of few-shot semantic segmentation (FSS), which aims to segment novel class objects in a target image with a few annotated samples. Though recent advances have been made by incorporating prototype-based metric…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Hyeongjun Kwon , Somi Jeong , Sunok Kim , Kwanghoon Sohn

Few-shot semantic segmentation (FSS) aims to form class-agnostic models segmenting unseen classes with only a handful of annotations. Previous methods limited to the semantic feature and prototype representation suffer from coarse…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Bohao Peng , Zhuotao Tian , Xiaoyang Wu , Chenyao Wang , Shu Liu , Jingyong Su , Jiaya Jia

Few-shot learning (FSL) has recently been extensively utilized to overcome the scarcity of training data in domain-specific visual recognition. In real-world scenarios, environmental factors such as complex backgrounds, varying lighting…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Qianyu Guo , Jingrong Wu , Tianxing Wu , Haofen Wang , Weifeng Ge , Wenqiang Zhang

Semantic segmentation on 3D point clouds is an important task for 3D scene understanding. While dense labeling on 3D data is expensive and time-consuming, only a few works address weakly supervised semantic point cloud segmentation methods…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Jiacheng Wei , Guosheng Lin , Kim-Hui Yap , Fayao Liu , Tzu-Yi Hung

To reduce the reliance on large-scale datasets, recent works in 3D segmentation resort to few-shot learning. Current 3D few-shot semantic segmentation methods first pre-train the models on `seen' classes, and then evaluate their…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Xiangyang Zhu , Renrui Zhang , Bowei He , Ziyu Guo , Jiaming Liu , Hao Dong , Peng Gao

3D point cloud semantic segmentation has a wide range of applications. Recently, weakly supervised point cloud segmentation methods have been proposed, aiming to alleviate the expensive and laborious manual annotation process by leveraging…

Computer Vision and Pattern Recognition · Computer Science 2024-01-01 Xiawei Li , Qingyuan Xu , Jing Zhang , Tianyi Zhang , Qian Yu , Lu Sheng , Dong Xu

Learning with noisy labels (LNL) has been extensively studied, with existing approaches typically following a framework that alternates between clean sample selection and semi-supervised learning (SSL). However, this approach has a…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Qing Miao , Xiaohe Wu , Chao Xu , Yanli Ji , Wangmeng Zuo , Yiwen Guo , Zhaopeng Meng

3D part segmentation is an essential step in advanced CAM/CAD workflow. Precise 3D segmentation contributes to lower defective rate of work-pieces produced by the manufacturing equipment (such as computer controlled CNCs), thereby improving…

Image and Video Processing · Electrical Eng. & Systems 2022-07-19 Jiahui Wang , Haiyue Zhu , Haoren Guo , Abdullah Al Mamun , Vadakkepat Prahlad , Tong Heng Lee

Few-shot learning is a fundamental task in computer vision that carries the promise of alleviating the need for exhaustively labeled data. Most few-shot learning approaches to date have focused on progressively more complex neural feature…

Computer Vision and Pattern Recognition · Computer Science 2020-06-12 Peyman Bateni , Raghav Goyal , Vaden Masrani , Frank Wood , Leonid Sigal

Existing deep learning methods for the reconstruction and denoising of point clouds rely on small datasets of 3D shapes. We circumvent the problem by leveraging deep learning methods trained on billions of images. We propose a method to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Pietro Bonazzi , Marie-Julie Rakatosaona , Marco Cannici , Federico Tombari , Davide Scaramuzza

Few-shot fine-grained image classification aims to recognize subcategories with high visual similarity using only a limited number of annotated samples. Existing metric learning-based methods typically rely solely on spatial domain…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Meijia Wang , Guochao Wang , Haozhen Chu , Bin Yao , Weichuan Zhang , Yuan Wang , Junpo Yang

The promotion of construction robots can solve the problem of human resource shortage and improve the quality of decoration. To help the construction robots obtain environmental information, we need to use 3D point cloud, which is widely…

Robotics · Computer Science 2021-04-13 Xudong Li , Li Feng , Lei Li , Chen Wang

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