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Related papers: SC-NeRF: NeRF-based Point Cloud Reconstruction usi…

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Compared to frame-based methods, computational neuromorphic imaging using event cameras offers significant advantages, such as minimal motion blur, enhanced temporal resolution, and high dynamic range. The multi-view consistency of Neural…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Chaoran Feng , Wangbo Yu , Xinhua Cheng , Zhenyu Tang , Junwu Zhang , Li Yuan , Yonghong Tian

Pre-trained large-scale models have exhibited remarkable efficacy in computer vision, particularly for 2D image analysis. However, when it comes to 3D point clouds, the constrained accessibility of data, in contrast to the vast repositories…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Mengke Li , Da Li , Guoqing Yang , Yiu-ming Cheung , Hui Huang

Reconstructing from multi-view images is a longstanding problem in 3D vision, where neural radiance fields (NeRFs) have shown great potential and get realistic rendered images of novel views. Currently, most NeRF methods either require…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Xin Wen , Xuening Zhu , Renjiao Yi , Zhifeng Wang , Chenyang Zhu , Kai Xu

3D reconstruction methods such as Neural Radiance Fields (NeRFs) excel at rendering photorealistic novel views of complex scenes. However, recovering a high-quality NeRF typically requires tens to hundreds of input images, resulting in a…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Rundi Wu , Ben Mildenhall , Philipp Henzler , Keunhong Park , Ruiqi Gao , Daniel Watson , Pratul P. Srinivasan , Dor Verbin , Jonathan T. Barron , Ben Poole , Aleksander Holynski

Precise scene understanding is key for most robot monitoring and intervention tasks in agriculture. In this work we present PAg-NeRF which is a novel NeRF-based system that enables 3D panoptic scene understanding. Our representation is…

Due to the ability to synthesize high-quality novel views, Neural Radiance Fields (NeRF) have been recently exploited to improve visual localization in a known environment. However, the existing methods mostly utilize NeRFs for data…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Boming Zhao , Luwei Yang , Mao Mao , Hujun Bao , Zhaopeng Cui

Neural Radiance Fields (NeRF) has demonstrated its superior capability to represent 3D geometry but require accurately precomputed camera poses during training. To mitigate this requirement, existing methods jointly optimize camera poses…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Hoang Chuong Nguyen , Wei Mao , Jose M. Alvarez , Miaomiao Liu

Reconstruction of 3D neural fields from posed images has emerged as a promising method for self-supervised representation learning. The key challenge preventing the deployment of these 3D scene learners on large-scale video data is their…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Cameron Smith , Yilun Du , Ayush Tewari , Vincent Sitzmann

Point clouds offer an attractive source of information to complement images in neural scene representations, especially when few images are available. Neural rendering methods based on point clouds do exist, but they do not perform well…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Weiwei Sun , Eduard Trulls , Yang-Che Tseng , Sneha Sambandam , Gopal Sharma , Andrea Tagliasacchi , Kwang Moo Yi

Some robust point cloud registration approaches with controllable pose refinement magnitude, such as ICP and its variants, are commonly used to improve 6D pose estimation accuracy. However, the effectiveness of these methods gradually…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Yiheng Han , Irvin Haozhe Zhan , Long Zeng , Yu-Ping Wang , Ran Yi , Minjing Yu , Matthieu Gaetan Lin , Jenny Sheng , Yong-Jin Liu

Point cloud registration is a crucial technique in 3D computer vision with a wide range of applications. However, this task can be challenging, particularly in large fields of view with dynamic objects, environmental noise, or other…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Rui She , Sijie Wang , Qiyu Kang , Kai Zhao , Yang Song , Wee Peng Tay , Tianyu Geng , Xingchao Jian

Neural Radiance Fields (NeRF) have been widely adopted for reconstructing high quality 3D point clouds from 2D RGB images. However, the segmentation of these reconstructed 3D scenes is more essential for downstream tasks such as object…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Jiangsan Zhao , Jakob Geipel , Krzysztof Kusnierek , Xuean Cui

This paper presents a novel approach for sparse 3D reconstruction by leveraging the expressive power of Neural Radiance Fields (NeRFs) and fast transfer of their features to learn accurate occupancy fields. Existing 3D reconstruction…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Shubhendu Jena , Franck Multon , Adnane Boukhayma

Keypoint annotation in point clouds is an important task for 3D reconstruction, object tracking and alignment, in particular in deformable or moving scenes. In the context of agriculture robotics, it is a critical task for livestock…

Robotics · Computer Science 2022-11-17 Raphael Falque , Teresa Vidal-Calleja , Alen Alempijevic

It is an important task to reconstruct surfaces from 3D point clouds. Current methods are able to reconstruct surfaces by learning Signed Distance Functions (SDFs) from single point clouds without ground truth signed distances or point…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Baorui Ma , Yu-Shen Liu , Zhizhong Han

Surface reconstruction for point clouds is an important task in 3D computer vision. Most of the latest methods resolve this problem by learning signed distance functions from point clouds, which are limited to reconstructing closed…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Junsheng Zhou , Baorui Ma , Shujuan Li , Yu-Shen Liu , Yi Fang , Zhizhong Han

Solving the challenging problem of 3D object reconstruction from a single image appropriately gives existing technologies the ability to perform with a single monocular camera rather than requiring depth sensors. In recent years, thanks to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Guiju Ping , Mahdi Abolfazli Esfahani , Han Wang

Implicit neural networks have emerged as a crucial technology in 3D surface reconstruction. To reconstruct continuous surfaces from discrete point clouds, encoding the input points into regular grid features (plane or volume) has been…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Shengtao Li , Ge Gao , Yudong Liu , Yu-Shen Liu , Ming Gu

Accurate registration of 2D imagery with point clouds is a key technology for image-LiDAR point cloud fusion, camera to laser scanner calibration and camera localization. Despite continuous improvements, automatic registration of 2D and 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-12-13 Huai Yu , Weikun Zhen , Wen Yang , Sebastian Scherer

Spacecraft pose estimation networks require tens of thousands of CAD-rendered images to be trained. This reliance on synthetic CAD data (i) limits applicability to targets with reliable geometry prior, excluding uncooperative or poorly…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Antoine Legrand , Renaud Detry , Christophe De Vleeschouwer