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Related papers: SSNeRF: Sparse View Semi-supervised Neural Radianc…

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Neural Radiance Fields (NeRFs) have emerged as a popular approach for novel view synthesis. While NeRFs are quickly being adapted for a wider set of applications, intuitively editing NeRF scenes is still an open challenge. One important…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Ashkan Mirzaei , Tristan Aumentado-Armstrong , Konstantinos G. Derpanis , Jonathan Kelly , Marcus A. Brubaker , Igor Gilitschenski , Alex Levinshtein

Depth completion is an important vision task, and many efforts have been made to enhance the quality of depth maps from sparse depth measurements. Despite significant advances, training these models to recover dense depth from sparse…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Rizhao Fan , Zhigen Li , Heping Li , Ning An

Neural Radiance Field (NeRF) and its variants have recently emerged as successful methods for novel view synthesis and 3D scene reconstruction. However, most current NeRF models either achieve high accuracy using large model sizes, or…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Shiran Yuan , Hao Zhao

Recent advances in Neural radiance fields (NeRF) have enabled high-fidelity scene reconstruction for novel view synthesis. However, NeRF requires hundreds of network evaluations per pixel to approximate a volume rendering integral, making…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Yifan Wang , Yi Gong , Yuan Zeng

We present a novel neural surface reconstruction method, called NeuS, for reconstructing objects and scenes with high fidelity from 2D image inputs. Existing neural surface reconstruction approaches, such as DVR and IDR, require foreground…

Computer Vision and Pattern Recognition · Computer Science 2023-02-02 Peng Wang , Lingjie Liu , Yuan Liu , Christian Theobalt , Taku Komura , Wenping Wang

Recent research that combines implicit 3D representation with semantic information, like Semantic-NeRF, has proven that NeRF model could perform excellently in rendering 3D structures with semantic labels. This research aims to extend the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Ruibo Wang , Song Zhang , Ping Huang , Donghai Zhang , Wei Yan

Extensions of Neural Radiance Fields (NeRFs) to model dynamic scenes have enabled their near photo-realistic, free-viewpoint rendering. Although these methods have shown some potential in creating immersive experiences, two drawbacks limit…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Xinhang Liu , Yu-Wing Tai , Chi-Keung Tang , Pedro Miraldo , Suhas Lohit , Moitreya Chatterjee

Recent advances in supervised deep learning methods are enabling remote measurements of photoplethysmography-based physiological signals using facial videos. The performance of these supervised methods, however, are dependent on the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Hao Wang , Euijoon Ahn , Jinman Kim

Neural Radiance Field (NeRF) is a popular method in representing 3D scenes by optimising a continuous volumetric scene function. Its large success which lies in applying volumetric rendering (VR) is also its Achilles' heel in producing…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Zhe Jun Tang , Tat-Jen Cham , Haiyu Zhao

Neural Radiance Fields (NeRF) have shown remarkable success in image novel view synthesis (NVS), inspiring extensions to LiDAR NVS. However, most methods heavily rely on accurate camera poses for scene reconstruction. The sparsity and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Yinuo Jiang , Jun Cheng , Yiran Wang , Cheng Cheng

Although many recent works have investigated generalizable NeRF-based novel view synthesis for unseen scenes, they seldom consider the synthetic-to-real generalization, which is desired in many practical applications. In this work, we first…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Hao Yang , Lanqing Hong , Aoxue Li , Tianyang Hu , Zhenguo Li , Gim Hee Lee , Liwei Wang

One of the most critical factors in achieving sharp Novel View Synthesis (NVS) using neural field methods like Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS) is the quality of the training images. However, Conventional RGB…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Gaole Dai , Zhenyu Wang , Qinwen Xu , Ming Lu , Wen Chen , Boxin Shi , Shanghang Zhang , Tiejun Huang

Existing neural radiance fields (NeRF)-based novel view synthesis methods for large-scale outdoor scenes are mainly built on a single altitude. Moreover, they often require a priori camera shooting height and scene scope, leading to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Jingfeng Guo , Xiaohan Zhang , Baozhu Zhao , Qi Liu

Recent neural human representations can produce high-quality multi-view rendering but require using dense multi-view inputs and costly training. They are hence largely limited to static models as training each frame is infeasible. We…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Fuqiang Zhao , Wei Yang , Jiakai Zhang , Pei Lin , Yingliang Zhang , Jingyi Yu , Lan Xu

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 with sparse inputs poses great challenges to Neural Radiance Field (NeRF). Recent works demonstrate that the frequency regularization of Positional Encoding (PE) can achieve promising results for few-shot NeRF. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Qingshan Xu , Xuanyu Yi , Jianyao Xu , Wenbing Tao , Yew-Soon Ong , Hanwang Zhang

NeRFmm is the Neural Radiance Fields (NeRF) that deal with Joint Optimization tasks, i.e., reconstructing real-world scenes and registering camera parameters simultaneously. Despite NeRFmm producing precise scene synthesis and pose…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yitong Xia , Hao Tang , Radu Timofte , Luc Van Gool

Recent advances in neural rendering imply a future of widespread visual data distributions through sharing NeRF model weights. However, while common visual data (images and videos) have standard approaches to embed ownership or copyright…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Chenxin Li , Brandon Y. Feng , Zhiwen Fan , Panwang Pan , Zhangyang Wang

While neural radiance fields (NeRF) have shown promise in novel view synthesis, their implicit representation limits explicit control over object manipulation. Existing research has proposed the integration of explicit geometric proxies to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Zherui Qiu , Chenqu Ren , Kaiwen Song , Xiaoyi Zeng , Leyuan Yang , Juyong Zhang

Self-supervised contrastive representation learning has proved incredibly successful in the vision and natural language domains, enabling state-of-the-art performance with orders of magnitude less labeled data. However, such methods are…

Machine Learning · Computer Science 2022-03-17 Dara Bahri , Heinrich Jiang , Yi Tay , Donald Metzler