English
Related papers

Related papers: Generalized Few-Shot Point Cloud Segmentation Via …

200 papers

Generalized Few-shot Semantic Segmentation (GFSS) extends Few-shot Semantic Segmentation (FSS) to simultaneously segment unseen classes and seen classes during evaluation. Previous works leverage additional branch or prototypical…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Kai Huang , Feigege Wang , Ye Xi , Yutao Gao

Large-scale 3D point clouds can consist of hundreds of millions of points. Even after downsampling, these point clouds are too large for modern 3D neural networks. In order to develop a semantic understanding of the scene, the point clouds…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Maximilian Kellner , Dominik Merkle , Michael Brunklaus , Alexander Reiterer

Domain Generalized Semantic Segmentation (DGSS) deals with training a model on a labeled source domain with the aim of generalizing to unseen domains during inference. Existing DGSS methods typically effectuate robust features by means of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Yasser Benigmim , Subhankar Roy , Slim Essid , Vicky Kalogeiton , Stéphane Lathuilière

Deep learning techniques for point clouds have achieved strong performance on a range of 3D vision tasks. However, it is costly to annotate large-scale point sets, making it critical to learn generalizable representations that can transfer…

Computer Vision and Pattern Recognition · Computer Science 2022-04-18 Chao Huang , Zhangjie Cao , Yunbo Wang , Jianmin Wang , Mingsheng Long

Sky/cloud images captured by ground-based cameras (a.k.a. whole sky imagers) are increasingly used nowadays because of their applications in a number of fields, including climate modeling, weather prediction, renewable energy generation,…

Computer Vision and Pattern Recognition · Computer Science 2016-06-14 Soumyabrata Dev , Yee Hui Lee , Stefan Winkler

In the realm of 3D-computer vision applications, point cloud few-shot learning plays a critical role. However, it poses an arduous challenge due to the sparsity, irregularity, and unordered nature of the data. Current methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Tejas Anvekar , Dena Bazazian

Most of the existing deep neural nets on automatic facial expression recognition focus on a set of predefined emotion classes, where the amount of training data has the biggest impact on performance. However, in the standard setting…

Computer Vision and Pattern Recognition · Computer Science 2019-12-12 Anca-Nicoleta Ciubotaru , Arnout Devos , Behzad Bozorgtabar , Jean-Philippe Thiran , Maria Gabrani

Few-shot learning (FSL) is a challenging task in machine learning, demanding a model to render discriminative classification by using only a few labeled samples. In the literature of FSL, deep models are trained in a manner of metric…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Tong Wu , Takumi Kobayashi

Few-shot segmentation has been attracting a lot of attention due to its effectiveness to segment unseen object classes with a few annotated samples. Most existing approaches use masked Global Average Pooling (GAP) to encode an annotated…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Bingfeng Zhang , Jimin Xiao , Terry Qin

While deep learning-based methods have demonstrated outstanding results in numerous domains, some important functionalities are missing. Resolution scalability is one of them. In this work, we introduce a novel architecture, dubbed…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Remco Royen , Adrian Munteanu

Point cloud analysis (such as 3D segmentation and detection) is a challenging task, because of not only the irregular geometries of many millions of unordered points, but also the great variations caused by depth, viewpoint, occlusion, etc.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Tuo Feng , Wenguan Wang , Xiaohan Wang , Yi Yang , Qinghua Zheng

This paper introduces a generalized few-shot segmentation framework with a straightforward training process and an easy-to-optimize inference phase. In particular, we propose a simple yet effective model based on the well-known InfoMax…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Sina Hajimiri , Malik Boudiaf , Ismail Ben Ayed , Jose Dolz

Learning-based methods for visual segmentation have made progress on particular types of segmentation tasks, but are limited by the necessary supervision, the narrow definitions of fixed tasks, and the lack of control during inference for…

Computer Vision and Pattern Recognition · Computer Science 2018-06-20 Kate Rakelly , Evan Shelhamer , Trevor Darrell , Alexei A. Efros , Sergey Levine

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

Reliable 3D segmentation is critical for understanding complex scenes with dense layouts and multi-scale objects, as commonly seen in industrial environments. In such scenarios, heavy occlusion weakens geometric boundaries between objects,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Yu Zhu , Naoya Chiba , Koichi Hashimoto

Recent years have witnessed huge successes in 3D object detection to recognize common objects for autonomous driving (e.g., vehicles and pedestrians). However, most methods rely heavily on a large amount of well-labeled training data. This…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 Jiawei Liu , Xingping Dong , Sanyuan Zhao , Jianbing Shen

In this paper, we propose PASS3D to achieve point-wise semantic segmentation for 3D point cloud. Our framework combines the efficiency of traditional geometric methods with robustness of deep learning methods, consisting of two stages: At…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Xin Kong , Guangyao Zhai , Baoquan Zhong , Yong Liu

Semantic segmentation metrics for 3D point clouds, such as mean Intersection over Union (mIoU) and Overall Accuracy (OA), present two key limitations in the context of aerial LiDAR data. First, they treat all misclassifications equally…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Alex Salvatierra , José Antonio Sanz , Christian Gutiérrez , Mikel Galar

Conventional point cloud semantic segmentation methods usually employ an encoder-decoder architecture, where mid-level features are locally aggregated to extract geometric information. However, the over-reliance on these class-agnostic…

Computer Vision and Pattern Recognition · Computer Science 2022-05-27 Ziyi Wang , Yongming Rao , Xumin Yu , Jie Zhou , Jiwen Lu

Existing state-of-the-art 3D point clouds understanding methods only perform well in a fully supervised manner. To the best of our knowledge, there exists no unified framework which simultaneously solves the downstream high-level…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Kangcheng Liu