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相关论文: 3D Cloud reconstruction through geospatially-aware…

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Masked Autoencoders (MAE) have demonstrated promising performance in self-supervised learning for both 2D and 3D computer vision. Nevertheless, existing MAE-based methods still have certain drawbacks. Firstly, the functional decoupling…

计算机视觉与模式识别 · 计算机科学 2023-10-06 Yang Liu , Chen Chen , Can Wang , Xulin King , Mengyuan Liu

In this paper, we explore the feasibility of utilizing a mmWave radar sensor installed on a UAV to reconstruct the 3D shapes of multiple objects in a space. The UAV hovers at various locations in the space, and its onboard radar senor…

计算机视觉与模式识别 · 计算机科学 2022-11-07 Yue Sun , Zhuoming Huang , Honggang Zhang , Xiaohui Liang

Climate studies often rely on remotely sensed images to retrieve two-dimensional maps of cloud properties. To advance volumetric analysis, we focus on recovering the three-dimensional (3D) heterogeneous extinction coefficient field of…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Tamar Klein , Tom Aizenberg , Roi Ronen

Masked autoencoders (MAE) have shown tremendous potential for self-supervised learning (SSL) in vision and beyond. However, point clouds from LiDARs used in automated driving are particularly challenging for MAEs since large areas of the 3D…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Mohamed Abdelsamad , Michael Ulrich , Claudius Gläser , Abhinav Valada

This work presents a novel pipeline to recover the 3D structure of an unknown target spacecraft from a sequence of images captured during Rendezvous and Proximity Operations (RPO) in space. The target's geometry and appearance are…

计算机视觉与模式识别 · 计算机科学 2026-01-01 Tae Ha Park , Simone D'Amico

For centuries, scientists have observed nature to understand the laws that govern the physical world. The traditional process of turning observations into physical understanding is slow. Imperfect models are constructed and tested to…

机器学习 · 计算机科学 2023-01-27 M. Giselle Fernández-Godino , Donald D. Lucas , Qingkai Kong

Semantic segmentation of raw 3D point clouds is an essential component in 3D scene analysis, but it poses several challenges, primarily due to the non-Euclidean nature of 3D point clouds. Although, several deep learning based approaches…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Saqib Ali Khan , Yilei Shi , Muhammad Shahzad , Xiao Xiang Zhu

To respond to disasters such as earthquakes, wildfires, and armed conflicts, humanitarian organizations require accurate and timely data in the form of damage assessments, which indicate what buildings and population centers have been most…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Jihyeon Lee , Joseph Z. Xu , Kihyuk Sohn , Wenhan Lu , David Berthelot , Izzeddin Gur , Pranav Khaitan , Ke-Wei , Huang , Kyriacos Koupparis , Bernhard Kowatsch

Clouds play a critical role in the Earth's energy budget and their potential changes are one of the largest uncertainties in future climate projections. However, the use of satellite observations to understand cloud feedbacks in a warming…

大气与海洋物理 · 物理学 2022-11-22 Takuya Kurihana , James Franke , Ian Foster , Ziwei Wang , Elisabeth Moyer

Large-scale 3D reconstruction is critical in the field of robotics, and the potential of 3D Gaussian Splatting (3DGS) for achieving accurate object-level reconstruction has been demonstrated. However, ensuring geometric accuracy in outdoor…

机器人学 · 计算机科学 2024-09-20 Changjian Jiang , Ruilan Gao , Kele Shao , Yue Wang , Rong Xiong , Yu Zhang

Point clouds are a fundamental 3D data representation that underpins various computer vision tasks. Recently, Mamba has demonstrated strong potential for 3D point cloud understanding. However, existing approaches primarily focus on point…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Bin Liu , Chunyang Wang , Xuelian Liu

3D recovery from multi-stereo and stereo images, as an important application of the image-based perspective geometry, serves many applications in computer vision, remote sensing and Geomatics. In this chapter, the authors utilize the…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Rongjun Qin , Shuang Song , Xiao Ling , Mostafa Elhashash

To overcome the inherent domain gap between remote sensing (RS) images and natural images, some self-supervised representation learning methods have made promising progress. However, they have overlooked the diverse angles present in RS…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Zhihao Li , Biao Hou , Siteng Ma , Zitong Wu , Xianpeng Guo , Bo Ren , Licheng Jiao

Computer-Aided Design is ubiquitous in todays world, as almost every manufactured object begins as a digital model across industries. At the same time, advances in 3D sensing have made point clouds a dominant form of raw 3D data. Recovering…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Said Harb , Mehdi Maboudi , Markus Gerke

Self-supervised learning guided by masked image modelling, such as Masked AutoEncoder (MAE), has attracted wide attention for pretraining vision transformers in remote sensing. However, MAE tends to excessively focus on pixel details,…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Yi Wang , Hugo Hernández Hernández , Conrad M Albrecht , Xiao Xiang Zhu

Masked graph modeling (MGM) is a promising approach for molecular representation learning (MRL).However, extending the success of re-mask decoding from 2D to 3D MGM is non-trivial, primarily due to two conflicting challenges: avoiding 2D…

机器学习 · 计算机科学 2025-10-23 Chang Wu , Zhiyuan Liu , Wen Shu , Liang Wang , Yanchen Luo , Wenqiang Lei , Yatao Bian , Junfeng Fang , Xiang Wang

High-fidelity 3D reconstruction is critical for aerial inspection tasks such as infrastructure monitoring, structural assessment, and environmental surveying. While traditional photogrammetry techniques enable geometric modeling, they lack…

图形学 · 计算机科学 2025-05-26 Mahmoud Chick Zaouali , Todd Charter , Homayoun Najjaran

Despite its practical importance across a wide range of modalities, recent advances in self-supervised learning (SSL) have been primarily focused on a few well-curated domains, e.g., vision and language, often relying on their…

机器学习 · 计算机科学 2023-10-26 Huiwon Jang , Jihoon Tack , Daewon Choi , Jongheon Jeong , Jinwoo Shin

Accurate and affordable indoor 3D reconstruction is critical for effective robot navigation and interaction. Traditional LiDAR-based mapping provides high precision but is costly, heavy, and power-intensive, with limited ability for novel…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Lu Chen , Yingfu Zeng , Haoang Li , Zhitao Deng , Jiafu Yan , Zhenjun Zhao

Landmark recognition and matching is a critical step in many Image Navigation and Registration (INR) models for geostationary satellite services, as well as to maintain the geometric quality assessment (GQA) in the instrument data…

计算机视觉与模式识别 · 计算机科学 2020-12-24 Adrián Pérez-Suay , Julia Amorós-López , Luis Gómez-Chova , Jordi Muñoz-Marí , Dieter Just , Gustau Camps-Valls