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Neural Radiance Fields (NeRF) have been proposed for photorealistic novel view rendering. However, it requires many different views of one scene for training. Moreover, it has poor generalizations to new scenes and requires retraining or…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Yurui Chen , Chun Gu , Feihu Zhang , Li Zhang

This paper proposes an algorithm for synthesizing novel views under few-shot setup. The main concept is to develop a stable surface regularization technique called Annealing Signed Distance Function (ASDF), which anneals the surface in a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Byeongin Joung , Byeong-Uk Lee , Jaesung Choe , Ukcheol Shin , Minjun Kang , Taeyeop Lee , In So Kweon , Kuk-Jin Yoon

Recent neural rendering and reconstruction techniques, such as NeRFs or Gaussian Splatting, have shown remarkable novel view synthesis capabilities but require hundreds of images of the scene from diverse viewpoints to render high-quality…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Felix Tristram , Stefano Gasperini , Nassir Navab , Federico Tombari

Recent neural view synthesis methods have achieved impressive quality and realism, surpassing classical pipelines which rely on multi-view reconstruction. State-of-the-Art methods, such as NeRF, are designed to learn a single scene with a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-15 Julian Chibane , Aayush Bansal , Verica Lazova , Gerard Pons-Moll

Neural Radiance Fields (NeRF) have achieved great success in the task of synthesizing novel views that preserve the same resolution as the training views. However, it is challenging for NeRF to synthesize high-quality high-resolution novel…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Xiang Feng , Yongbo He , Yubo Wang , Chengkai Wang , Zhenzhong Kuang , Jiajun Ding , Feiwei Qin , Jun Yu , Jianping Fan

We propose a Transformer-based NeRF (TransNeRF) to learn a generic neural radiance field conditioned on observed-view images for the novel view synthesis task. By contrast, existing MLP-based NeRFs are not able to directly receive observed…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Dan Wang , Xinrui Cui , Septimiu Salcudean , Z. Jane Wang

Novel view synthesis has observed tremendous developments since the arrival of NeRFs. However, Nerf models overfit on a single scene, lacking generalization to out of distribution objects. Recently, diffusion models have exhibited…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Rukhshanda Hussain , Hui Xian Grace Lim , Borchun Chen , Mubarak Shah , Ser Nam Lim

Neural radiance fields provide state-of-the-art view synthesis quality but tend to be slow to render. One reason is that they make use of volume rendering, thus requiring many samples (and model queries) per ray at render time. Although…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Haithem Turki , Vasu Agrawal , Samuel Rota Bulò , Lorenzo Porzi , Peter Kontschieder , Deva Ramanan , Michael Zollhöfer , Christian Richardt

Neural Radiance Field (NeRF) has recently emerged as a powerful representation to synthesize photorealistic novel views. While showing impressive performance, it relies on the availability of dense input views with highly accurate camera…

Computer Vision and Pattern Recognition · Computer Science 2023-06-14 Prune Truong , Marie-Julie Rakotosaona , Fabian Manhardt , Federico Tombari

We propose a Few-shot Dynamic Neural Radiance Field (FDNeRF), the first NeRF-based method capable of reconstruction and expression editing of 3D faces based on a small number of dynamic images. Unlike existing dynamic NeRFs that require…

Computer Vision and Pattern Recognition · Computer Science 2022-09-14 Jingbo Zhang , Xiaoyu Li , Ziyu Wan , Can Wang , Jing Liao

Novel view synthesis using neural radiance fields (NeRF) is the state-of-the-art technique for generating high-quality images from novel viewpoints. Existing methods require a priori knowledge about extrinsic and intrinsic camera…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Hannah Schieber , Fabian Deuser , Bernhard Egger , Norbert Oswald , Daniel Roth

Neural Radiance Fields (NeRF) with hybrid representations have shown impressive capabilities for novel view synthesis, delivering high efficiency. Nonetheless, their performance significantly drops with sparse input views. Various…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Yuru Xiao , Deming Zhai , Wenbo Zhao , Kui Jiang , Junjun Jiang , Xianming Liu

In this paper, we introduce a new challenge for synthesizing novel view images in practical environments with limited input multi-view images and varying lighting conditions. Neural radiance fields (NeRF), one of the pioneering works for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 SeokYeong Lee , JunYong Choi , Seungryong Kim , Ig-Jae Kim , Junghyun Cho

We propose a voxel-based optimization framework, ReVoRF, for few-shot radiance fields that strategically address the unreliability in pseudo novel view synthesis. Our method pivots on the insight that relative depth relationships within…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Yingjie Xu , Bangzhen Liu , Hao Tang , Bailin Deng , Shengfeng He

We present NeRF-SR, a solution for high-resolution (HR) novel view synthesis with mostly low-resolution (LR) inputs. Our method is built upon Neural Radiance Fields (NeRF) that predicts per-point density and color with a multi-layer…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Chen Wang , Xian Wu , Yuan-Chen Guo , Song-Hai Zhang , Yu-Wing Tai , Shi-Min Hu

Novel view synthesis via Neural Radiance Fields (NeRFs) or 3D Gaussian Splatting (3DGS) typically necessitates dense observations with hundreds of input images to circumvent artifacts. We introduce Deceptive-NeRF/3DGS to enhance sparse-view…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Xinhang Liu , Jiaben Chen , Shiu-hong Kao , Yu-Wing Tai , Chi-Keung Tang

This paper presents a stylized novel view synthesis method. Applying state-of-the-art stylization methods to novel views frame by frame often causes jittering artifacts due to the lack of cross-view consistency. Therefore, this paper…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Thu Nguyen-Phuoc , Feng Liu , Lei Xiao

Neural Radiance Field (NeRF) has shown impressive performance in novel view synthesis via implicit scene representation. However, it usually suffers from poor scalability as requiring densely sampled images for each new scene. Several…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Muyu Xu , Fangneng Zhan , Jiahui Zhang , Yingchen Yu , Xiaoqin Zhang , Christian Theobalt , Ling Shao , Shijian Lu

Talking head generation aims to generate faces that maintain the identity information of the source image and imitate the motion of the driving image. Most pioneering methods rely primarily on 2D representations and thus will inevitably…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Weichuang Li , Longhao Zhang , Dong Wang , Bin Zhao , Zhigang Wang , Mulin Chen , Bang Zhang , Zhongjian Wang , Liefeng Bo , Xuelong Li

Novel view synthesis is an essential functionality for enabling immersive experiences in various Augmented- and Virtual-Reality (AR/VR) applications, for which generalizable Neural Radiance Fields (NeRFs) have gained increasing popularity…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Yonggan Fu , Zhifan Ye , Jiayi Yuan , Shunyao Zhang , Sixu Li , Haoran You , Yingyan Celine Lin