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We present EmerNeRF, a simple yet powerful approach for learning spatial-temporal representations of dynamic driving scenes. Grounded in neural fields, EmerNeRF simultaneously captures scene geometry, appearance, motion, and semantics via…

Computer Vision and Pattern Recognition · Computer Science 2023-11-06 Jiawei Yang , Boris Ivanovic , Or Litany , Xinshuo Weng , Seung Wook Kim , Boyi Li , Tong Che , Danfei Xu , Sanja Fidler , Marco Pavone , Yue Wang

Recent advances in neural radiance fields have enabled the high-fidelity 3D reconstruction of complex scenes for novel view synthesis. However, it remains underexplored how the appearance of such representations can be efficiently edited…

Computer Vision and Pattern Recognition · Computer Science 2023-01-25 Zhengfei Kuang , Fujun Luan , Sai Bi , Zhixin Shu , Gordon Wetzstein , Kalyan Sunkavalli

4D reconstruction of human-object interaction is critical for immersive VR/AR experience and human activity understanding. Recent advances still fail to recover fine geometry and texture results from sparse RGB inputs, especially under…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Guoxing Sun , Xin Chen , Yizhang Chen , Anqi Pang , Pei Lin , Yuheng Jiang , Lan Xu , Jingya Wang , Jingyi Yu

Neural Radiance Fields (NeRFs) excel in photorealistically rendering static scenes. However, rendering dynamic, long-duration radiance fields on ubiquitous devices remains challenging, due to data storage and computational constraints. In…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Liao Wang , Kaixin Yao , Chengcheng Guo , Zhirui Zhang , Qiang Hu , Jingyi Yu , Lan Xu , Minye Wu

In this paper, we address the challenge of generating novel views of real-world objects with limited multi-view images through our proposed approach, FewShotNeRF. Our method utilizes meta-learning to acquire optimal initialization,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Piraveen Sivakumar , Paul Janson , Jathushan Rajasegaran , Thanuja Ambegoda

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

Volumetric neural rendering methods, such as neural radiance fields (NeRFs), have enabled photo-realistic novel view synthesis. However, in their standard form, NeRFs do not support the editing of objects, such as a human head, within a…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 ShahRukh Athar , Zexiang Xu , Kalyan Sunkavalli , Eli Shechtman , Zhixin Shu

We present a neural rendering framework for simultaneous view synthesis and appearance editing of a scene from multi-view images captured under known environment illumination. Existing approaches either achieve view synthesis alone or view…

Computer Vision and Pattern Recognition · Computer Science 2021-10-18 Pulkit Gera , Aakash KT , Dhawal Sirikonda , Parikshit Sakurikar , P. J. Narayanan

Recent techniques for real-time view synthesis have rapidly advanced in fidelity and speed, and modern methods are capable of rendering near-photorealistic scenes at interactive frame rates. At the same time, a tension has arisen between…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Daniel Duckworth , Peter Hedman , Christian Reiser , Peter Zhizhin , Jean-François Thibert , Mario Lučić , Richard Szeliski , Jonathan T. Barron

Asynchronously operating event cameras find many applications due to their high dynamic range, vanishingly low motion blur, low latency and low data bandwidth. The field saw remarkable progress during the last few years, and existing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Viktor Rudnev , Mohamed Elgharib , Christian Theobalt , Vladislav Golyanik

Implicit neural representations for video (NeRV) have recently become a novel way for high-quality video representation. However, existing works employ a single network to represent the entire video, which implicitly confuse static and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Hao Yan , Zhihui Ke , Xiaobo Zhou , Tie Qiu , Xidong Shi , Dadong Jiang

Addressing the intricate challenge of modeling and re-rendering dynamic scenes, most recent approaches have sought to simplify these complexities using plane-based explicit representations, overcoming the slow training time issues…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Ange Lou , Benjamin Planche , Zhongpai Gao , Yamin Li , Tianyu Luan , Hao Ding , Terrence Chen , Jack Noble , Ziyan Wu

We present an end-to-end system for the high-fidelity capture, model reconstruction, and real-time rendering of walkable spaces in virtual reality using neural radiance fields. To this end, we designed and built a custom multi-camera rig to…

We present a novel paradigm of building an animatable 3D human representation from a monocular video input, such that it can be rendered in any unseen poses and views. Our method is based on a dynamic Neural Radiance Field (NeRF) rigged by…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Gusi Te , Xiu Li , Xiao Li , Jinglu Wang , Wei Hu , Yan Lu

Reconstruction of deformable scenes from endoscopic videos is important for many applications such as intraoperative navigation, surgical visual perception, and robotic surgery. It is a foundational requirement for realizing autonomous…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Shreya Saha , Zekai Liang , Shan Lin , Jingpei Lu , Michael Yip , Sainan Liu

We present a method, Neural Radiance Flow (NeRFlow),to learn a 4D spatial-temporal representation of a dynamic scene from a set of RGB images. Key to our approach is the use of a neural implicit representation that learns to capture the 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Yilun Du , Yinan Zhang , Hong-Xing Yu , Joshua B. Tenenbaum , Jiajun Wu

We present Knowledge NeRF to synthesize novel views for dynamic scenes. Reconstructing dynamic 3D scenes from few sparse views and rendering them from arbitrary perspectives is a challenging problem with applications in various domains.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Wenxiao Cai , Xinyue Lei , Xinyu He , Junming Leo Chen , Yangang Wang

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

We address the task of view synthesis, generating novel views of a scene given a set of images as input. In many recent works such as NeRF (Mildenhall et al., 2020), the scene geometry is parameterized using neural implicit representations…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Yiming Zuo , Jia Deng

We present CLIP-NeRF, a multi-modal 3D object manipulation method for neural radiance fields (NeRF). By leveraging the joint language-image embedding space of the recent Contrastive Language-Image Pre-Training (CLIP) model, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Can Wang , Menglei Chai , Mingming He , Dongdong Chen , Jing Liao
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