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相关论文: Towards 4D Human Video Stylization

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Neural radiance fields (NeRF) bring a new wave for 3D interactive experiences. However, as an important part of the immersive experiences, the defocus effects have not been fully explored within NeRF. Some recent NeRF-based methods generate…

计算机视觉与模式识别 · 计算机科学 2022-08-11 Yinhuai Wang , Shuzhou Yang , Yujie Hu , Jian Zhang

We present an approach to generate a 360-degree view of a person with a consistent, high-resolution appearance from a single input image. NeRF and its variants typically require videos or images from different viewpoints. Most existing…

计算机视觉与模式识别 · 计算机科学 2023-11-16 Badour AlBahar , Shunsuke Saito , Hung-Yu Tseng , Changil Kim , Johannes Kopf , Jia-Bin Huang

We focus on reconstructing high-fidelity radiance fields of human heads, capturing their animations over time, and synthesizing re-renderings from novel viewpoints at arbitrary time steps. To this end, we propose a new multi-view capture…

计算机视觉与模式识别 · 计算机科学 2023-09-15 Tobias Kirschstein , Shenhan Qian , Simon Giebenhain , Tim Walter , Matthias Nießner

We propose a novel visual re-localization method based on direct matching between the implicit 3D descriptors and the 2D image with transformer. A conditional neural radiance field(NeRF) is chosen as the 3D scene representation in our…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Jianlin Liu , Qiang Nie , Yong Liu , Chengjie Wang

In this paper, we propose HeadNeRF, a novel NeRF-based parametric head model that integrates the neural radiance field to the parametric representation of the human head. It can render high fidelity head images in real-time on modern GPUs,…

计算机视觉与模式识别 · 计算机科学 2022-05-03 Yang Hong , Bo Peng , Haiyao Xiao , Ligang Liu , Juyong Zhang

We present a method that achieves state-of-the-art results for synthesizing novel views of complex scenes by optimizing an underlying continuous volumetric scene function using a sparse set of input views. Our algorithm represents a scene…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Ben Mildenhall , Pratul P. Srinivasan , Matthew Tancik , Jonathan T. Barron , Ravi Ramamoorthi , Ren Ng

Neural Radiance Fields (NeRF) are able to reconstruct scenes with unprecedented fidelity, and various recent works have extended NeRF to handle dynamic scenes. A common approach to reconstruct such non-rigid scenes is through the use of a…

计算机视觉与模式识别 · 计算机科学 2021-09-13 Keunhong Park , Utkarsh Sinha , Peter Hedman , Jonathan T. Barron , Sofien Bouaziz , Dan B Goldman , Ricardo Martin-Brualla , Steven M. Seitz

Adopting Neural Radiance Fields (NeRF) to long-duration dynamic sequences has been challenging. Existing methods struggle to balance between quality and storage size and encounter difficulties with complex scene changes such as topological…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Minye Wu , Tinne Tuytelaars

This paper presents a neural rendering method for controllable portrait video synthesis. Recent advances in volumetric neural rendering, such as neural radiance fields (NeRF), has enabled the photorealistic novel view synthesis of static…

计算机视觉与模式识别 · 计算机科学 2021-08-12 ShahRukh Athar , Zhixin Shu , Dimitris Samaras

We present Instant Neural Radiance Fields Stylization, a novel approach for multi-view image stylization for the 3D scene. Our approach models a neural radiance field based on neural graphics primitives, which use a hash table-based…

计算机视觉与模式识别 · 计算机科学 2024-07-03 Shaoxu Li , Ye Pan

Previous attempts to integrate Neural Radiance Fields (NeRF) into the Simultaneous Localization and Mapping (SLAM) framework either rely on the assumption of static scenes or require the ground truth camera poses, which impedes their…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Chengyao Duan , Zhiliu Yang

This project presents an exploration into 3D scene reconstruction of synthetic and real-world scenes using Neural Radiance Field (NeRF) approaches. We primarily take advantage of the reduction in training and rendering time of neural…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Benedict Quartey , Tuluhan Akbulut , Wasiwasi Mgonzo , Zheng Xin Yong

Representing and synthesizing novel views in real-world dynamic scenes from casual monocular videos is a long-standing problem. Existing solutions typically approach dynamic scenes by applying geometry techniques or utilizing temporal…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Boyu Zhang , Wenbo Xu , Zheng Zhu , Guan Huang

We present TimeNeRF, a generalizable neural rendering approach for rendering novel views at arbitrary viewpoints and at arbitrary times, even with few input views. For real-world applications, it is expensive to collect multiple views and…

计算机视觉与模式识别 · 计算机科学 2025-07-21 Hsiang-Hui Hung , Huu-Phu Do , Yung-Hui Li , Ching-Chun Huang

Synthesizing realistic videos of talking faces under custom lighting conditions and viewing angles benefits various downstream applications like video conferencing. However, most existing relighting methods are either time-consuming or…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Ziqi Cai , Kaiwen Jiang , Shu-Yu Chen , Yu-Kun Lai , Hongbo Fu , Boxin Shi , Lin Gao

In recent advancements in novel view synthesis, generalizable Neural Radiance Fields (NeRF) based methods applied to human subjects have shown remarkable results in generating novel views from few images. However, this generalization…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Arnab Dey , Di Yang , Antitza Dantcheva , Jean Martinet

Given that a conventional laparoscope only provides a two-dimensional (2-D) view, the detection and diagnosis of medical ailments can be challenging. To overcome the visual constraints associated with laparoscopy, the use of laparoscopic…

计算机视觉与模式识别 · 计算机科学 2023-10-19 Khoa Tuan Nguyen , Francesca Tozzi , Nikdokht Rashidian , Wouter Willaert , Joris Vankerschaver , Wesley De Neve

We introduce a novel framework that learns a dynamic neural radiance field (NeRF) for full-body talking humans from monocular videos. Prior work represents only the body pose or the face. However, humans communicate with their full body,…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Aggelina Chatziagapi , Bindita Chaudhuri , Amit Kumar , Rakesh Ranjan , Dimitris Samaras , Nikolaos Sarafianos

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…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Hoang Chuong Nguyen , Wei Mao , Jose M. Alvarez , Miaomiao Liu

Neural Radiance Fields or NeRFs have become the representation of choice for problems in view synthesis or image-based rendering, as well as in many other applications across computer graphics and vision, and beyond. At their core, NeRFs…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Ravi Ramamoorthi