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Recent breakthroughs in text-guided image generation have led to remarkable progress in the field of 3D synthesis from text. By optimizing neural radiance fields (NeRF) directly from text, recent methods are able to produce remarkable…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Dana Cohen-Bar , Elad Richardson , Gal Metzer , Raja Giryes , Daniel Cohen-Or

The emerging Neural Radiance Field (NeRF) shows great potential in representing 3D scenes, which can render photo-realistic images from novel view with only sparse views given. However, utilizing NeRF to reconstruct real-world scenes…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Chenbin Li , Yu Xin , Gaoyi Liu , Xiang Zeng , Ligang Liu

Nerf-based Generative models have shown impressive capacity in generating high-quality images with consistent 3D geometry. Despite successful synthesis of fake identity images randomly sampled from latent space, adopting these models for…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Yu Yin , Kamran Ghasedi , HsiangTao Wu , Jiaolong Yang , Xin Tong , Yun Fu

Contemporary registration devices for 3D visual information, such as LIDARs and various depth cameras, capture data as 3D point clouds. In turn, such clouds are challenging to be processed due to their size and complexity. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Dominik Zimny , Joanna Waczyńska , Tomasz Trzciński , Przemysław Spurek

NeRF provides unparalleled fidelity of novel view synthesis: rendering a 3D scene from an arbitrary viewpoint. NeRF requires training on a large number of views that fully cover a scene, which limits its applicability. While these issues…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Pol Moreno , Adam R. Kosiorek , Heiko Strathmann , Daniel Zoran , Rosalia G. Schneider , Björn Winckler , Larisa Markeeva , Théophane Weber , Danilo J. Rezende

Neural Radiance Fields (NeRF) have significantly advanced the generation of highly realistic and expressive 3D scenes. However, the task of editing NeRF, particularly in terms of geometry modification, poses a significant challenge. This…

Graphics · Computer Science 2023-10-10 Ruiyang Liu , Jinxu Xiang , Bowen Zhao , Ran Zhang , Jingyi Yu , Changxi Zheng

We extend neural 3D representations to allow for intuitive and interpretable user control beyond novel view rendering (i.e. camera control). We allow the user to annotate which part of the scene one wishes to control with just a small…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Kacper Kania , Kwang Moo Yi , Marek Kowalski , Tomasz Trzciński , Andrea Tagliasacchi

We present Mesh2NeRF, an approach to derive ground-truth radiance fields from textured meshes for 3D generation tasks. Many 3D generative approaches represent 3D scenes as radiance fields for training. Their ground-truth radiance fields are…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Yujin Chen , Yinyu Nie , Benjamin Ummenhofer , Reiner Birkl , Michael Paulitsch , Matthias Müller , Matthias Nießner

With the success of Neural Radiance Field (NeRF) in 3D-aware portrait editing, a variety of works have achieved promising results regarding both quality and 3D consistency. However, these methods heavily rely on per-prompt optimization when…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Jianhui Li , Shilong Liu , Zidong Liu , Yikai Wang , Kaiwen Zheng , Jinghui Xu , Jianmin Li , Jun Zhu

Recent advancements in diffusion models have shown remarkable proficiency in editing 2D images based on text prompts. However, extending these techniques to edit scenes in Neural Radiance Fields (NeRF) is complex, as editing individual 2D…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Sara Rojas , Julien Philip , Kai Zhang , Sai Bi , Fujun Luan , Bernard Ghanem , Kalyan Sunkavall

The talking head generation recently attracted considerable attention due to its widespread application prospects, especially for digital avatars and 3D animation design. Inspired by this practical demand, several works explored Neural…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Tianyong Wang , Xiangyu Liang , Wangguandong Zheng , Dan Niu , Haifeng Xia , Siyu Xia

Neural Radiance Fields (NeRF) have achieved huge success in effectively capturing and representing 3D objects and scenes. However, to establish a ubiquitous presence in everyday media formats, such as images and videos, we need to fulfill…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Gyeongjin Kang , Younggeun Lee , Seungjun Oh , Eunbyung Park

Neural Radiance Fields (NeRF) have emerged as a powerful tool for creating highly detailed and photorealistic scenes. Existing methods for NeRF-based 3D style transfer need extensive per-scene optimization for single or multiple styles,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Adil Meric , Umut Kocasari , Matthias Nießner , Barbara Roessle

Generating photo-realistic video portrait with arbitrary speech audio is a crucial problem in film-making and virtual reality. Recently, several works explore the usage of neural radiance field in this task to improve 3D realness and image…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Zhenhui Ye , Ziyue Jiang , Yi Ren , Jinglin Liu , JinZheng He , Zhou Zhao

Neural radiance fields~(NeRF) have recently been applied to render large-scale scenes. However, their limited model capacity typically results in blurred rendering results. Existing large-scale NeRFs primarily address this limitation by…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Mingqi Shao , Feng Xiong , Hang Zhang , Shuang Yang , Mu Xu , Wei Bian , Xueqian Wang

Neural Radiation Field (NeRF) technology can learn a 3D implicit model of a scene from 2D images and synthesize realistic novel view images. This technology has received widespread attention from the industry and has good application…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Shun Fang , Ming Cui , Xing Feng , Yanna Lv

Large-scale 3D scene reconstruction and novel view synthesis are vital for autonomous vehicles, especially utilizing temporally sparse LiDAR frames. However, conventional explicit representations remain a significant bottleneck towards…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Xiuzhong Hu , Guangming Xiong , Zheng Zang , Peng Jia , Yuxuan Han , Junyi Ma

3D-aware image generative modeling aims to generate 3D-consistent images with explicitly controllable camera poses. Recent works have shown promising results by training neural radiance field (NeRF) generators on unstructured 2D images, but…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Yu Deng , Jiaolong Yang , Jianfeng Xiang , Xin Tong

Neural Radiance Field (NeRF), as an implicit 3D scene representation, lacks inherent ability to accommodate changes made to the initial static scene. If objects are reconfigured, it is difficult to update the NeRF to reflect the new state…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Ziqi Lu , Jianbo Ye , Xiaohan Fei , Xiaolong Li , Jiawei Mo , Ashwin Swaminathan , Stefano Soatto

A Neural Radiance Field (NeRF) encodes the specific relation of 3D geometry and appearance of a scene. We here ask the question whether we can transfer the appearance from a source NeRF onto a target 3D geometry in a semantically meaningful…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Michael Fischer , Zhengqin Li , Thu Nguyen-Phuoc , Aljaz Bozic , Zhao Dong , Carl Marshall , Tobias Ritschel
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