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Generating accurate digital tree models from scanned environments is invaluable for forestry, agriculture, and other outdoor industries in tasks such as identifying biomass, fall hazards and traversability, as well as digital applications…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Thomas Lowe , Joshua Pinskier

We present a super-fast convergence approach to reconstructing the per-scene radiance field from a set of images that capture the scene with known poses. This task, which is often applied to novel view synthesis, is recently revolutionized…

Computer Vision and Pattern Recognition · Computer Science 2022-06-06 Cheng Sun , Min Sun , Hwann-Tzong Chen

The rice panicle traits significantly influence grain yield, making them a primary target for rice phenotyping studies. However, most existing techniques are limited to controlled indoor environments and difficult to capture the rice…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Xin Yang , Xuqi Lu , Pengyao Xie , Ziyue Guo , Hui Fang , Haowei Fu , Xiaochun Hu , Zhenbiao Sun , Haiyan Cen

Neural Radiance Fields (NeRF) achieve impressive view synthesis results for a variety of capture settings, including 360 capture of bounded scenes and forward-facing capture of bounded and unbounded scenes. NeRF fits multi-layer perceptrons…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Kai Zhang , Gernot Riegler , Noah Snavely , Vladlen Koltun

Neural Radiance Fields (NeRF) have received considerable attention recently, due to its impressive capability in photo-realistic 3D reconstruction and novel view synthesis, given a set of posed camera images. Earlier work usually assumes…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Peng Wang , Lingzhe Zhao , Ruijie Ma , Peidong Liu

Neural Radiance Field~(NeRF) achieves extremely high quality in object-scaled and indoor scene reconstruction. However, there exist some challenges when reconstructing large-scale scenes. MLP-based NeRFs suffer from limited network…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Sidun Liu , Peng Qiao , Zongxin Ye , Wenyu Li , Yong Dou

Dynamic radiance fields have emerged as a promising approach for generating novel views from a monocular video. However, previous methods enforce the geometric consistency to dynamic radiance fields only between adjacent input frames,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Byeongjun Park , Changick Kim

First-Person-View (FPV) holds immense potential for revolutionizing the trajectory of Unmanned Aerial Vehicles (UAVs), offering an exhilarating avenue for navigating complex building structures. Yet, traditional Neural Radiance Field (NeRF)…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Liqi Yan , Qifan Wang , Junhan Zhao , Qiang Guan , Zheng Tang , Jianhui Zhang , Dongfang Liu

Obtaining high-quality 3D reconstructions of room-scale scenes is of paramount importance for upcoming applications in AR or VR. These range from mixed reality applications for teleconferencing, virtual measuring, virtual room planing, to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Dejan Azinović , Ricardo Martin-Brualla , Dan B Goldman , Matthias Nießner , Justus Thies

Single-image point cloud reconstruction must infer complete 3D geometry, including occluded parts, from a single RGB image. While diffusion-based reconstructors achieve high accuracy, they typically require many denoising iterations,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Yuta Baba , Keiji Yanai

This paper presents one of the first learning-based NeRF 3D instance segmentation pipelines, dubbed as Instance Neural Radiance Field, or Instance NeRF. Taking a NeRF pretrained from multi-view RGB images as input, Instance NeRF can learn…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Yichen Liu , Benran Hu , Junkai Huang , Yu-Wing Tai , Chi-Keung Tang

3D point cloud generation by the deep neural network from a single image has been attracting more and more researchers' attention. However, recently-proposed methods require the objects be captured with relatively clean backgrounds, fixed…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Yan Xia , Yang Zhang , Dingfu Zhou , Xinyu Huang , Cheng Wang , Ruigang Yang

Differentiable rendering is a very successful technique that applies to a Single-View 3D Reconstruction. Current renderers use losses based on pixels between a rendered image of some 3D reconstructed object and ground-truth images from…

Computer Vision and Pattern Recognition · Computer Science 2021-05-03 Nikola Zubić , Pietro Liò

In the realm of digital situational awareness during disaster situations, accurate digital representations, like 3D models, play an indispensable role. To ensure the safety of rescue teams, robotic platforms are often deployed to generate…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Hartmut Surmann , Niklas Digakis , Jan-Nicklas Kremer , Julien Meine , Max Schulte , Niklas Voigt

Recent works use the Neural radiance field (NeRF) to perform multi-view 3D reconstruction, providing a significant leap in rendering photorealistic scenes. However, despite its efficacy, NeRF exhibits limited capability of learning…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Congyue Deng , Jiawei Yang , Leonidas Guibas , Yue Wang

Controllable generation of 3D assets is important for many practical applications like content creation in movies, games and engineering, as well as in AR/VR. Recently, diffusion models have shown remarkable results in generation quality of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Philipp Schröppel , Christopher Wewer , Jan Eric Lenssen , Eddy Ilg , Thomas Brox

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

Texture synthesis is a fundamental problem in computer graphics that would benefit various applications. Existing methods are effective in handling 2D image textures. In contrast, many real-world textures contain meso-structure in the 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Yi-Hua Huang , Yan-Pei Cao , Yu-Kun Lai , Ying Shan , Lin Gao

Neural Radiance Fields (NeRF) have emerged as a powerful approach for photorealistic 3D reconstruction from multi-view images. However, deploying NeRF for satellite imagery remains challenging. Each scene requires individual training, and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Devjyoti Chakraborty , Zaki Sukma , Rakandhiya D. Rachmanto , Kriti Ghosh , In Kee Kim , Suchendra M. Bhandarkar , Lakshmish Ramaswamy , Nancy K. O'Hare , Deepak Mishra

Recent developments in the 3D scanning technologies have made the generation of highly accurate 3D point clouds relatively easy but the segmentation of these point clouds remains a challenging area. A number of techniques have set precedent…

Computer Vision and Pattern Recognition · Computer Science 2018-06-25 Omair Hassaan , Abeera Shamail , Zain Butt , Murtaza Taj