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We present a method to automatically compute correct gradients with respect to geometric scene parameters in neural SDF renderers. Recent physically-based differentiable rendering techniques for meshes have used edge-sampling to handle…

Panoptic 3D reconstruction from a monocular video is a fundamental perceptual task in robotic scene understanding. However, existing efforts suffer from inefficiency in terms of inference speed and accuracy, limiting their practical…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Zhen Zhou , Yunkai Ma , Junfeng Fan , Shaolin Zhang , Fengshui Jing , Min Tan

Signed Distance Function (SDF)-based volume rendering has demonstrated significant capabilities in surface reconstruction. Although promising, SDF-based methods often fail to capture detailed geometric structures, resulting in visible…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Yifan Wang , Di Huang , Weicai Ye , Guofeng Zhang , Wanli Ouyang , Tong He

Online reconstructing and rendering of large-scale indoor scenes is a long-standing challenge. SLAM-based methods can reconstruct 3D scene geometry progressively in real time but can not render photorealistic results. While NeRF-based…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Yiming Gao , Yan-Pei Cao , Ying Shan

Partitioning a polygonal mesh into meaningful parts can be challenging. Many applications require decomposing such structures for further processing in computer graphics. In the last decade, several methods were proposed to tackle this…

Graphics · Computer Science 2023-09-01 Bruno Roy

In this paper, we propose a novel end-to-end relightable neural inverse rendering system that achieves high-quality reconstruction of geometry and material properties, thus enabling high-quality relighting. The cornerstone of our method is…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Deheng Zhang , Jingyu Wang , Shaofei Wang , Marko Mihajlovic , Sergey Prokudin , Hendrik P. A. Lensch , Siyu Tang

Incrementally recovering 3D dense structures from monocular videos is of paramount importance since it enables various robotics and AR applications. Feature volumes have recently been shown to enable efficient and accurate incremental dense…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Xingxing Zuo , Nan Yang , Nathaniel Merrill , Binbin Xu , Stefan Leutenegger

Coordinate networks like Multiplicative Filter Networks (MFNs) and BACON offer some control over the frequency spectrum used to represent continuous signals such as images or 3D volumes. Yet, they are not readily applicable to problems for…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Shayan Shekarforoush , David B. Lindell , David J. Fleet , Marcus A. Brubaker

Scene Completion is the task of completing missing geometry from a partial scan of a scene. Most previous methods compute an implicit representation from range data using a Truncated Signed Distance Function (T-SDF) computed on a 3D grid as…

Computer Vision and Pattern Recognition · Computer Science 2022-12-05 Jean Pierre Richa , Jean-Emmanuel Deschaud , François Goulette , Nicolas Dalmasso

3D reconstruction of large scenes is a challenging problem due to the high-complexity nature of the solution space, in particular for generative neural networks. In contrast to traditional generative learned models which encode the full…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Yawar Siddiqui , Justus Thies , Fangchang Ma , Qi Shan , Matthias Nießner , Angela Dai

Modern 3D computer vision leverages learning to boost geometric reasoning, mapping image data to classical structures such as cost volumes or epipolar constraints to improve matching. These architectures are specialized according to the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Vitor Guizilini , Igor Vasiljevic , Jiading Fang , Rares Ambrus , Greg Shakhnarovich , Matthew Walter , Adrien Gaidon

Recent advances in image super-resolution (SR) explored the power of deep learning to achieve a better reconstruction performance. However, the feedback mechanism, which commonly exists in human visual system, has not been fully exploited…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Zhen Li , Jinglei Yang , Zheng Liu , Xiaomin Yang , Gwanggil Jeon , Wei Wu

This paper presents a method to reconstruct high-quality textured 3D models from both multi-view and single-view images. The reconstruction is posed as an adaptation problem and is done progressively where in the first stage, we focus on…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Aysegul Dundar , Jun Gao , Andrew Tao , Bryan Catanzaro

Joint 2D cardiac segmentation and 3D volume reconstruction are fundamental to building statistical cardiac anatomy models and understanding functional mechanisms from motion patterns. However, due to the low through-plane resolution of cine…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Qi Chang , Zhennan Yan , Mu Zhou , Di Liu , Khalid Sawalha , Meng Ye , Qilong Zhangli , Mikael Kanski , Subhi Al Aref , Leon Axel , Dimitris Metaxas

We evaluate different Neural Radiance Fields (NeRFs) techniques for the 3D reconstruction of plants in varied environments, from indoor settings to outdoor fields. Traditional methods usually fail to capture the complex geometric details of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Muhammad Arbab Arshad , Talukder Jubery , James Afful , Anushrut Jignasu , Aditya Balu , Baskar Ganapathysubramanian , Soumik Sarkar , Adarsh Krishnamurthy

Achieving the EU's climate neutrality goal requires retrofitting existing buildings to reduce energy use and emissions. A critical step in this process is the precise assessment of geometric building envelope characteristics to inform…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Chenghao Xu , Malcolm Mielle , Antoine Laborde , Ali Waseem , Florent Forest , Olga Fink

Leveraging 3D semantics for direct 3D reconstruction has a great potential yet unleashed. For instance, by assuming that walls are vertical, and a floor is planar and horizontal, we can correct distorted room shapes and eliminate local…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Anna Sokolova , Anna Vorontsova , Bulat Gabdullin , Alexander Limonov

Neural radiance fields have recently revolutionized novel-view synthesis and achieved high-fidelity renderings. However, these methods sacrifice the geometry for the rendering quality, limiting their further applications including…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Jingnan Gao , Zhuo Chen , Xiaokang Yang , Yichao Yan

We introduce a high resolution, 3D-consistent image and shape generation technique which we call StyleSDF. Our method is trained on single-view RGB data only, and stands on the shoulders of StyleGAN2 for image generation, while solving two…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Roy Or-El , Xuan Luo , Mengyi Shan , Eli Shechtman , Jeong Joon Park , Ira Kemelmacher-Shlizerman

The quick and accurate retrieval of an object height from a single fringe pattern in Fringe Projection Profilometry has been a topic of ongoing research. While a single shot fringe to depth CNN based method can restore height map directly…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Yixiao Wang , Canlin Zhou , Xingyang Qi , Hui Li