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Recent advances in neural scene representations have led to unprecedented quality in 3D reconstruction and view synthesis. Despite achieving high-quality results for common benchmarks with curated data, outputs often degrade for data that…

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…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Ziqi Lu , Jianbo Ye , Xiaohan Fei , Xiaolong Li , Jiawei Mo , Ashwin Swaminathan , Stefano Soatto

We introduce a novel neural volumetric pose feature, termed PoseMap, designed to enhance camera localization by encapsulating the information between images and the associated camera poses. Our framework leverages an Absolute Pose…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Jingyu Lin , Jiaqi Gu , Bojian Wu , Lubin Fan , Renjie Chen , Ligang Liu , Jieping Ye

Accurate reconstruction of plant phenotypes plays a key role in optimising sustainable farming practices in the field of Precision Agriculture (PA). Currently, optical sensor-based approaches dominate the field, but the need for…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Kewei Hu , Ying Wei , Yaoqiang Pan , Hanwen Kang , Chao Chen

Neural Radiance Field (NeRF) has enabled novel view synthesis with high fidelity given images and camera poses. Subsequent works even succeeded in eliminating the necessity of pose priors by jointly optimizing NeRF and camera pose. However,…

计算机视觉与模式识别 · 计算机科学 2023-11-09 Injae Kim , Minhyuk Choi , Hyunwoo J. Kim

Neural Radiance Fields (NeRF) have shown remarkable capabilities for photorealistic novel view synthesis. One major deficiency of NeRF is that dense inputs are typically required, and the rendering quality will drop drastically given sparse…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Yingji Zhong , Kaichen Zhou , Zhihao Li , Lanqing Hong , Zhenguo Li , Dan Xu

Neural Radiance Fields (NeRF) have emerged as a powerful paradigm for 3D scene representation, offering high-fidelity renderings and reconstructions from a set of sparse and unstructured sensor data. In the context of autonomous robotics,…

机器人学 · 计算机科学 2024-12-09 Yuhang Ming , Xingrui Yang , Weihan Wang , Zheng Chen , Jinglun Feng , Yifan Xing , Guofeng Zhang

We present a first step towards 4D (3D and time) human video stylization, which addresses style transfer, novel view synthesis and human animation within a unified framework. While numerous video stylization methods have been developed,…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Tiantian Wang , Xinxin Zuo , Fangzhou Mu , Jian Wang , Ming-Hsuan Yang

Neural Radiance Fields (NeRF) show impressive performance in photo-realistic free-view rendering of scenes. Recent improvements on the NeRF such as TensoRF and ZipNeRF employ explicit models for faster optimization and rendering, as…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Nagabhushan Somraj , Sai Harsha Mupparaju , Adithyan Karanayil , Rajiv Soundararajan

Given the image collection of an object, we aim at building a real-time image-based pose estimation method, which requires neither its CAD model nor hours of object-specific training. Recent NeRF-based methods provide a promising solution…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Ronghan Chen , Yang Cong , Yu Ren

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…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Yonggan Fu , Zhifan Ye , Jiayi Yuan , Shunyao Zhang , Sixu Li , Haoran You , Yingyan Celine Lin

Neural Radiance Fields (NeRF) recently emerged as a new paradigm for object representation from multi-view (MV) images. Yet, it cannot handle multi-scale (MS) images and camera pose estimation errors, which generally is the case with…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Nishant Jain , Suryansh Kumar , Luc Van Gool

Neural Radiance Field (NeRF) regresses a neural parameterized scene by differentially rendering multi-view images with ground-truth supervision. However, when interpolating novel views, NeRF often yields inconsistent and visually non-smooth…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Tianlong Chen , Peihao Wang , Zhiwen Fan , Zhangyang Wang

In this work, we focus on synthesizing high-fidelity novel view images for arbitrary human performers, given a set of sparse multi-view images. It is a challenging task due to the large variation among articulated body poses and heavy…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Jianchuan Chen , Wentao Yi , Liqian Ma , Xu Jia , Huchuan Lu

Recent advances in 3D scene representation and novel view synthesis have witnessed the rise of Neural Radiance Fields (NeRFs). Nevertheless, it is not trivial to exploit NeRF for the photorealistic 3D scene stylization task, which aims to…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Zicheng Zhang , Yinglu Liu , Congying Han , Yingwei Pan , Tiande Guo , Ting Yao

Recent research explosion on Neural Radiance Field (NeRF) shows the encouraging potential to represent complex scenes with neural networks. One major drawback of NeRF is its prohibitive inference time: Rendering a single pixel requires…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Huan Wang , Jian Ren , Zeng Huang , Kyle Olszewski , Menglei Chai , Yun Fu , Sergey Tulyakov

Novel view synthesis refers to the problem of synthesizing novel viewpoints of a scene given the images from a few viewpoints. This is a fundamental problem in computer vision and graphics, and enables a vast variety of applications such as…

计算机视觉与模式识别 · 计算机科学 2024-11-25 Nagabhushan Somraj

Neural Radiance Fields (NeRFs) learn to represent a 3D scene from just a set of registered images. Increasing sizes of a scene demands more complex functions, typically represented by neural networks, to capture all details. Training and…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Tim Elsner , Victor Czech , Julia Berger , Zain Selman , Isaak Lim , Leif Kobbelt

Neural radiance fields (NeRFs) are a widely accepted standard for synthesizing new 3D object views from a small number of base images. However, NeRFs have limited generalization properties, which means that we need to use significant…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Paweł Batorski , Dawid Malarz , Marcin Przewięźlikowski , Marcin Mazur , Sławomir Tadeja , Przemysław Spurek

We present neural radiance fields for rendering and temporal (4D) reconstruction of humans in motion (H-NeRF), as captured by a sparse set of cameras or even from a monocular video. Our approach combines ideas from neural scene…

计算机视觉与模式识别 · 计算机科学 2021-11-03 Hongyi Xu , Thiemo Alldieck , Cristian Sminchisescu