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We propose a new method for realistic real-time novel-view synthesis (NVS) of large scenes. Existing neural rendering methods generate realistic results, but primarily work for small scale scenes (<50 square meters) and have difficulty at…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Jeffrey Yunfan Liu , Yun Chen , Ze Yang , Jingkang Wang , Sivabalan Manivasagam , Raquel Urtasun

Neural volume rendering enables photo-realistic renderings of a human performer in free-view, a critical task in immersive VR/AR applications. But the practice is severely limited by high computational costs in the rendering process. To…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Yue Chen , Xuan Wang , Xingyu Chen , Qi Zhang , Xiaoyu Li , Yu Guo , Jue Wang , Fei Wang

With the emergence of neural radiance fields (NeRFs), view synthesis quality has reached an unprecedented level. Compared to traditional mesh-based assets, this volumetric representation is more powerful in expressing scene geometry but…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Yuan-Chen Guo , Yan-Pei Cao , Chen Wang , Yu He , Ying Shan , Xiaohu Qie , Song-Hai Zhang

We present Virtual Elastic Objects (VEOs): virtual objects that not only look like their real-world counterparts but also behave like them, even when subject to novel interactions. Achieving this presents multiple challenges: not only do…

Computer Vision and Pattern Recognition · Computer Science 2022-01-13 Hsiao-yu Chen , Edgar Tretschk , Tuur Stuyck , Petr Kadlecek , Ladislav Kavan , Etienne Vouga , Christoph Lassner

Remarkable advances have been achieved recently in learning neural representations that characterize object geometry, while generating textured objects suitable for downstream applications and 3D rendering remains at an early stage. In…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Alexey Bokhovkin , Shubham Tulsiani , Angela Dai

Production-level workflows for producing convincing 3D dynamic human faces have long relied on an assortment of labor-intensive tools for geometry and texture generation, motion capture and rigging, and expression synthesis. Recent neural…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Longwen Zhang , Chuxiao Zeng , Qixuan Zhang , Hongyang Lin , Ruixiang Cao , Wei Yang , Lan Xu , Jingyi Yu

High-fidelity 3D assets with materials composed of fibers (including hair), complex layered material shaders, or fine scattering geometry are ubiquitous in high-end realistic rendering applications. Rendering such models is computationally…

Graphics · Computer Science 2024-09-18 Krishna Mullia , Fujun Luan , Xin Sun , Miloš Hašan

The human hand is the main medium through which we interact with our surroundings, making its digitization an important problem. While there are several works modeling the geometry of hands, little attention has been paid to capturing…

We propose a novel Neural Radiance Field (NeRF) representation for non-opaque scenes that enables fast inference by utilizing textured polygons. Despite the high-quality novel view rendering that NeRF provides, a critical limitation is that…

Graphics · Computer Science 2024-07-11 Gopal Sharma , Daniel Rebain , Kwang Moo Yi , Andrea Tagliasacchi

We present a novel 3D mapping method leveraging the recent progress in neural implicit representation for 3D reconstruction. Most existing state-of-the-art neural implicit representation methods are limited to object-level reconstructions…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Stefan Lionar , Lukas Schmid , Cesar Cadena , Roland Siegwart , Andrei Cramariuc

We present a novel method to acquire object representations from online image collections, capturing high-quality geometry and material properties of arbitrary objects from photographs with varying cameras, illumination, and backgrounds.…

Computer Vision and Pattern Recognition · Computer Science 2022-09-05 Zhengfei Kuang , Kyle Olszewski , Menglei Chai , Zeng Huang , Panos Achlioptas , Sergey Tulyakov

An increasingly common approach for creating photo-realistic digital avatars is through the use of volumetric neural fields. The original neural radiance field (NeRF) allowed for impressive novel view synthesis of static heads when trained…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Yingyan Xu , Prashanth Chandran , Sebastian Weiss , Markus Gross , Gaspard Zoss , Derek Bradley

Motivated by augmented and virtual reality applications such as telepresence, there has been a recent focus in real-time performance capture of humans under motion. However, given the real-time constraint, these systems often suffer from…

We present Neural Microfacet Fields, a method for recovering materials, geometry, and environment illumination from images of a scene. Our method uses a microfacet reflectance model within a volumetric setting by treating each sample along…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Alexander Mai , Dor Verbin , Falko Kuester , Sara Fridovich-Keil

Neural volumetric representations such as Neural Radiance Fields (NeRF) have emerged as a compelling technique for learning to represent 3D scenes from images with the goal of rendering photorealistic images of the scene from unobserved…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Peter Hedman , Pratul P. Srinivasan , Ben Mildenhall , Jonathan T. Barron , Paul Debevec

We present a method for composing photorealistic scenes from captured images of objects. Our work builds upon neural radiance fields (NeRFs), which implicitly model the volumetric density and directionally-emitted radiance of a scene. While…

Computer Vision and Pattern Recognition · Computer Science 2020-12-16 Michelle Guo , Alireza Fathi , Jiajun Wu , Thomas Funkhouser

Monte Carlo rendering of translucent objects with heterogeneous scattering properties is often expensive both in terms of memory and computation. If we do path tracing and use a high dynamic range lighting environment, the rendering becomes…

Graphics · Computer Science 2025-03-28 Thomson TG , Jeppe Revall Frisvad , Ravi Ramamoorthi , Henrik Wann Jensen

Recovering the physical attributes of an object's appearance from its images captured under an unknown illumination is challenging yet essential for photo-realistic rendering. Recent approaches adopt the emerging implicit scene…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Youjia Zhang , Teng Xu , Junqing Yu , Yuteng Ye , Junle Wang , Yanqing Jing , Jingyi Yu , Wei Yang

Neural radiance fields (NeRFs) are able to synthesize realistic novel views from multi-view images captured from distinct positions and perspectives. In NeRF's rendering pipeline, neural networks are used to represent a scene independently…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Kang Han , Wei Xiang , Lu Yu

Neural rendering is a new image and video generation method based on deep learning. It combines the deep learning model with the physical knowledge of computer graphics, to obtain a controllable and realistic scene model, and realize the…

Graphics · Computer Science 2024-02-02 Xinkai Yan , Jieting Xu , Yuchi Huo , Hujun Bao