中文
相关论文

相关论文: GSTran: Joint Geometric and Semantic Coherence for…

200 篇论文

Self-supervised learning of point cloud aims to leverage unlabeled 3D data to learn meaningful representations without reliance on manual annotations. However, current approaches face challenges such as limited data diversity and inadequate…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Keyi Liu , Yeqi Luo , Weidong Yang , Jingyi Xu , Zhijun Li , Wen-Ming Chen , Ben Fei

We present a boundary-aware domain adaptation model for LiDAR scan full-scene semantic segmentation (LiDARNet). Our model can extract both the domain private features and the domain shared features with a two-branch structure. We embedded…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Peng Jiang , Srikanth Saripalli

This paper presents a framework to address the challenges involved in building point cloud cleaning, plane detection, and semantic segmentation, with the ultimate goal of enhancing building modeling. We focus in the cleaning stage on…

计算机视觉与模式识别 · 计算机科学 2025-02-20 Ilyass Abouelaziz , Youssef Mourchid

Cloud removal plays a crucial role in enhancing remote sensing image analysis, yet accurately reconstructing cloud-obscured regions remains a significant challenge. Recent advancements in generative models have made the generation of…

计算机视觉与模式识别 · 计算机科学 2025-01-10 Wanli Ma , Oktay Karakus , Paul L. Rosin

Point-clouds are a popular choice for vision and graphics tasks due to their accurate shape description and direct acquisition from range-scanners. This demands the ability to synthesize and reconstruct high-quality point-clouds. Current…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Sameera Ramasinghe , Salman Khan , Nick Barnes , Stephen Gould

Image-to-point cloud registration methods typically follow a coarse-to-fine pipeline, extracting patch-level correspondences and refining them into dense pixel-to-point matches. However, in scenes with repetitive patterns, images often lack…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Zhixin Cheng , Jiacheng Deng , Xinjun Li , Bohao Liao , Li Liu , Xiaotian Yin , Baoqun Yin , Tianzhu Zhang

This paper introduces Point-GN, a novel non-parametric network for efficient and accurate 3D point cloud classification. Unlike conventional deep learning models that rely on a large number of trainable parameters, Point-GN leverages…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Marzieh Mohammadi , Amir Salarpour

Segmenting aerial images is being of great potential in surveillance and scene understanding of urban areas. It provides a mean for automatic reporting of the different events that happen in inhabited areas. This remarkably promotes public…

计算机视觉与模式识别 · 计算机科学 2019-06-10 Bilel Benjdira , Yakoub Bazi , Anis Koubaa , Kais Ouni

Due to the various reasons such as atmospheric effects and differences in acquisition, it is often the case that there exists a large difference between spectral bands of satellite images collected from different geographic locations. The…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Onur Tasar , S L Happy , Yuliya Tarabalka , Pierre Alliez

In this paper we propose an approach to perform semantic segmentation of 3D point cloud data by importing the geographic information from a 2D GIS layer (OpenStreetMap). The proposed automatic procedure identifies meaningful units such as…

计算机视觉与模式识别 · 计算机科学 2021-08-16 Chao-Jung Liu , Vladimir Krylov , Rozenn Dahyot

Deep learning on point clouds has made a lot of progress recently. Many point cloud dedicated deep learning frameworks, such as PointNet and PointNet++, have shown advantages in accuracy and speed comparing to those using traditional 3D…

计算几何 · 计算机科学 2018-12-18 Guanghua Pan , Jun Wang , Rendong Ying , Peilin Liu

Automatic building extraction from optical imagery remains a challenge due to, for example, the complexity of building shapes. Semantic segmentation is an efficient approach for this task. The latest development in deep convolutional neural…

计算机视觉与模式识别 · 计算机科学 2019-11-11 Yilei Shi , Qingyu Li , Xiao Xiang Zhu

Despite the significant advancements in pre-training methods for point cloud understanding, directly capturing intricate shape information from irregular point clouds without reliance on external data remains a formidable challenge. To…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Changshuo Wang , Meiqing Wu , Siew-Kei Lam , Xin Ning , Shangshu Yu , Ruiping Wang , Weijun Li , Thambipillai Srikanthan

Scanning real-life scenes with modern registration devices typically gives incomplete point cloud representations, primarily due to the limitations of partial scanning, 3D occlusions, and dynamic light conditions. Recent works on processing…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Haipeng Wang

Recently, increasing attention has been drawn to training semantic segmentation models using synthetic data and computer-generated annotation. However, domain gap remains a major barrier and prevents models learned from synthetic data from…

计算机视觉与模式识别 · 计算机科学 2019-01-15 Yuhua Chen , Wen Li , Xiaoran Chen , Luc Van Gool

Remarkable performance from Transformer networks in Natural Language Processing promote the development of these models in dealing with computer vision tasks such as image recognition and segmentation. In this paper, we introduce a novel…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Qi Zhong , Xian-Feng Han

Time varying sequences of 3D point clouds, or 4D point clouds, are now being acquired at an increasing pace in several applications (e.g., LiDAR in autonomous or assisted driving). In many cases, such volume of data is transmitted, thus…

计算机视觉与模式识别 · 计算机科学 2023-06-05 Lorenzo Berlincioni , Stefano Berretti , Marco Bertini , Alberto Del Bimbo

State-of-the-art methods for driving-scene LiDAR-based perception (including point cloud semantic segmentation, panoptic segmentation and 3D detection, \etc) often project the point clouds to 2D space and then process them via 2D…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Xinge Zhu , Hui Zhou , Tai Wang , Fangzhou Hong , Wei Li , Yuexin Ma , Hongsheng Li , Ruigang Yang , Dahua Lin

In this paper, we present the PS^2-Net -- a locally and globally aware deep learning framework for semantic segmentation on 3D scene-level point clouds. In order to deeply incorporate local structures and global context to support 3D scene…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Na Zhao , Tat-Seng Chua , Gim Hee Lee

Ground segmentation of point clouds remains challenging because of the sparse and unordered data structure. This paper proposes the GSECnet - Ground Segmentation network for Edge Computing, an efficient ground segmentation framework of…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Dong He , Jie Cheng , Jong-Hwan Kim