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We present an open-source background-oriented schlieren dataset with 70 views of high-speed flow over a flight body. Sample analyses are performed using a neural-implicit reconstruction technique (NIRT) with total variation regularization…

Neural radiance fields (NeRFs) have become a ubiquitous tool for modeling scene appearance and geometry from multiview imagery. Recent work has also begun to explore how to use additional supervision from lidar or depth sensor measurements…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Anagh Malik , Parsa Mirdehghan , Sotiris Nousias , Kiriakos N. Kutulakos , David B. Lindell

Recently, significant progress has been made in the study of methods for 3D reconstruction from multiple images using implicit neural representations, exemplified by the neural radiance field (NeRF) method. Such methods, which are based on…

计算机视觉与模式识别 · 计算机科学 2024-04-19 Wooseok Kim , Taiki Fukiage , Takeshi Oishi

Computational approach to imaging around the corner, or non-line-of-sight (NLOS) imaging, is becoming a reality thanks to major advances in imaging hardware and reconstruction algorithms. A recent development towards practical NLOS imaging,…

图像与视频处理 · 电气工程与系统科学 2022-08-09 Fangzhou Mu , Sicheng Mo , Jiayong Peng , Xiaochun Liu , Ji Hyun Nam , Siddeshwar Raghavan , Andreas Velten , Yin Li

Neural rendering has garnered substantial attention owing to its capacity for creating realistic 3D scenes. However, its applicability to extensive scenes remains challenging, with limitations in effectiveness. In this work, we propose the…

计算机视觉与模式识别 · 计算机科学 2023-08-31 Zhihao Jia , Bing Wang , Changhao Chen

The quality of three-dimensional reconstruction is a key factor affecting the effectiveness of its application in areas such as virtual reality (VR) and augmented reality (AR) technologies. Neural Radiance Fields (NeRF) can generate…

计算机视觉与模式识别 · 计算机科学 2023-06-09 Qianqiu Tan , Tao Liu , Yinling Xie , Shuwan Yu , Baohua Zhang

Simulating turbulence is critical for many societally important applications in aerospace engineering, environmental science, the energy industry, and biomedicine. Large eddy simulation (LES) has been widely used as an alternative to direct…

流体动力学 · 物理学 2023-12-13 Shengyu Chen , Tianshu Bao , Peyman Givi , Can Zheng , Xiaowei Jia

We present a modern solution to the multi-view photometric stereo problem (MVPS). Our work suitably exploits the image formation model in a MVPS experimental setup to recover the dense 3D reconstruction of an object from images. We procure…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Berk Kaya , Suryansh Kumar , Francesco Sarno , Vittorio Ferrari , Luc Van Gool

We present an efficient neural 3D scene representation for novel-view synthesis (NVS) in large-scale, dynamic urban areas. Existing works are not well suited for applications like mixed-reality or closed-loop simulation due to their limited…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Tobias Fischer , Jonas Kulhanek , Samuel Rota Bulò , Lorenzo Porzi , Marc Pollefeys , Peter Kontschieder

Recent advances in neural scene representations have led to unprecedented quality in 3D reconstruction and view synthesis. Despite achieving high-quality results for common benchmarks with curated data, outputs often degrade for data that…

Neural Radiance Fields (NeRFs) have demonstrated the remarkable potential of neural networks to capture the intricacies of 3D objects. By encoding the shape and color information within neural network weights, NeRFs excel at producing…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Dawid Malarz , Weronika Smolak , Jacek Tabor , Sławomir Tadeja , Przemysław Spurek

Neural Radiance Fields (NeRF) offer the potential to benefit 3D reconstruction tasks, including aerial photogrammetry. However, the scalability and accuracy of the inferred geometry are not well-documented for large-scale aerial…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Ningli Xu , Rongjun Qin , Debao Huang , Fabio Remondino

Several variants of Neural Radiance Fields (NeRFs) have significantly improved the accuracy of synthesized images and surface reconstruction of 3D scenes/objects. In all of these methods, a key characteristic is that none can train the…

计算机视觉与模式识别 · 计算机科学 2025-06-11 Gonçalo Dias Pais , Valter Piedade , Moitreya Chatterjee , Marcus Greiff , Pedro Miraldo

Recent advancements in 3D Gaussian Splatting (3DGS) and Neural Radiance Fields (NeRF) have achieved impressive results in real-time 3D reconstruction and novel view synthesis. However, these methods struggle in large-scale, unconstrained…

计算机视觉与模式识别 · 计算机科学 2025-04-03 Niluthpol Chowdhury Mithun , Tuan Pham , Qiao Wang , Ben Southall , Kshitij Minhas , Bogdan Matei , Stephan Mandt , Supun Samarasekera , Rakesh Kumar

This paper presents a novel optimization-based method for non-line-of-sight (NLOS) imaging that aims to reconstruct hidden scenes under general setups with significantly reduced reconstruction time. In NLOS imaging, the visible surfaces of…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Hyunbo Shim , In Cho , Daekyu Kwon , Seon Joo Kim

In this paper, we present a novel double diffusion based neural radiance field, dubbed DD-NeRF, to reconstruct human body geometry and render the human body appearance in novel views from a sparse set of images. We first propose a double…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Guangming Yao , Hongzhi Wu , Yi Yuan , Lincheng Li , Kun Zhou , Xin Yu

Wide Field-of-View (WFoV) reconstruction enhances 3D ultrasound imaging by providing valuable anatomical context for segmentation models and visualization. Clinical ultrasound volumes are predominantly acquired using convex probes, which…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Patris Valera , Magdalena Wysocki , Felix Duelmer , Mohammad Farid Azampour , Sebastian Herz , Stefan Wörz , Nassir Navab

In recent years, there have been significant advancements in 3D reconstruction and dense RGB-D SLAM systems. One notable development is the application of Neural Radiance Fields (NeRF) in these systems, which utilizes implicit neural…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Tianchen Deng , Yanbo Wang , Hongle Xie , Hesheng Wang , Jingchuan Wang , Danwei Wang , Weidong Chen

We present a Bayesian Neural Radiance Field (NeRF), which explicitly quantifies uncertainty in the volume density by modeling uncertainty in the occupancy, without the need for additional networks, making it particularly suited for…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Sibeak Lee , Kyeongsu Kang , Seongbo Ha , Hyeonwoo Yu

Neural radiance fields (NeRF) has gained significant attention for its exceptional visual effects. However, most existing NeRF methods reconstruct 3D scenes from RGB images captured by visible light cameras. In practical scenarios like…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Chonghao Zhong , Chao Xu