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Neural Radiance Field (NeRF) approaches learn the underlying 3D representation of a scene and generate photo-realistic novel views with high fidelity. However, most proposed settings concentrate on modelling a single object or a single…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Ankit Dhiman , Srinath R , Harsh Rangwani , Rishubh Parihar , Lokesh R Boregowda , Srinath Sridhar , R Venkatesh Babu

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…

Computer Vision and Pattern Recognition · Computer Science 2022-08-11 Yinhuai Wang , Shuzhou Yang , Yujie Hu , Jian Zhang

As a promising fashion for visual localization, scene coordinate regression (SCR) has seen tremendous progress in the past decade. Most recent methods usually adopt neural networks to learn the mapping from image pixels to 3D scene…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Le Chen , Weirong Chen , Rui Wang , Marc Pollefeys

Comprehensive 3D scene understanding, both geometrically and semantically, is important for real-world applications such as robot perception. Most of the existing work has focused on developing data-driven discriminative models for scene…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Mingtong Zhang , Shuhong Zheng , Zhipeng Bao , Martial Hebert , Yu-Xiong Wang

Neural Radiance Fields (NeRF) have shown remarkable performance in neural rendering-based novel view synthesis. However, NeRF suffers from severe visual quality degradation when the input images have been captured under imperfect…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Byeonghyeon Lee , Howoong Lee , Usman Ali , Eunbyung Park

Neural Radiance Fields (NeRF) have shown impressive performance in novel view synthesis, but challenges remain in rendering scenes with complex specular reflections and highlights. Existing approaches may produce blurry reflections due to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Wenpeng Xing , Jie Chen , Zaifeng Yang , Tiancheng Zhao , Gaolei Li , Changting Lin , Yike Guo , Meng Han

Since its introduction, 3D Gaussian Splatting (3DGS) has become an important reference method for learning 3D representations of a captured scene, allowing real-time novel-view synthesis with high visual quality and fast training times.…

Graphics · Computer Science 2025-02-27 Adam Celarek , George Kopanas , George Drettakis , Michael Wimmer , Bernhard Kerbl

Domain scientists often face I/O and storage challenges when keeping raw data from large-scale simulations. Saving visualization images, albeit practical, is limited to preselected viewpoints, transfer functions, and simulation parameters.…

Graphics · Computer Science 2025-02-25 Siyuan Yao , Yunfei Lu , Chaoli Wang

Neural radiance fields (NeRF) has gained significant attention for its exceptional visual effects. However, most existing NeRF methods reconstruct 3D scenes from RGB images captured by visible light cameras. In practical scenarios like…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Chonghao Zhong , Chao Xu

Neural Radiance Fields (NeRFs), despite their outstanding performance on novel view synthesis, often need dense input views. Many papers train one model for each scene respectively and few of them explore incorporating multi-modal data into…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Haoyi Zhu , Hao-Shu Fang , Cewu Lu

Neural Radiance Fields (NeRF) has been applied to various tasks related to representations of 3D scenes. Most studies based on NeRF have focused on a small object, while a few studies have tried to reconstruct large-scale scenes although…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Hinata Aoki , Takao Yamanaka

Neural radiance field (NeRF) is an emerging view synthesis method that samples points in a three-dimensional (3D) space and estimates their existence and color probabilities. The disadvantage of NeRF is that it requires a long training time…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Hye Bin Yoo , Hyun Min Han , Sung Soo Hwang , Il Yong Chun

Online reconstructing and rendering of large-scale indoor scenes is a long-standing challenge. SLAM-based methods can reconstruct 3D scene geometry progressively in real time but can not render photorealistic results. While NeRF-based…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Yiming Gao , Yan-Pei Cao , Ying Shan

Unlike opaque object, novel view synthesis of transparent object is a challenging task, because transparent object refracts light of background causing visual distortions on the transparent object surface along the viewpoint change.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Heechan Yoon , Seungkyu Lee

Existing Neural Radiance Fields (NeRF) methods suffer from the existence of reflective objects, often resulting in blurry or distorted rendering. Instead of calculating a single radiance field, we propose a multi-space neural radiance field…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Ze-Xin Yin , Peng-Yi Jiao , Jiaxiong Qiu , Ming-Ming Cheng , Bo Ren

Hyperspectral Imagery (HSI) has been used in many applications to non-destructively determine the material and/or chemical compositions of samples. There is growing interest in creating 3D hyperspectral reconstructions, which could provide…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Gerry Chen , Sunil Kumar Narayanan , Thomas Gautier Ottou , Benjamin Missaoui , Harsh Muriki , Cédric Pradalier , Yongsheng Chen

We propose pixelNeRF, a learning framework that predicts a continuous neural scene representation conditioned on one or few input images. The existing approach for constructing neural radiance fields involves optimizing the representation…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Alex Yu , Vickie Ye , Matthew Tancik , Angjoo Kanazawa

Inverse rendering aims at recovering both geometry and materials of objects. It provides a more compatible reconstruction for conventional rendering engines, compared with the neural radiance fields (NeRFs). On the other hand, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Haoyuan Wang , Wenbo Hu , Lei Zhu , Rynson W. H. Lau

A practical benefit of implicit visual representations like Neural Radiance Fields (NeRFs) is their memory efficiency: large scenes can be efficiently stored and shared as small neural nets instead of collections of images. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Jiading Fang , Shengjie Lin , Igor Vasiljevic , Vitor Guizilini , Rares Ambrus , Adrien Gaidon , Gregory Shakhnarovich , Matthew R. Walter

This paper proposes a neural radiance field (NeRF) approach for novel view synthesis of dynamic scenes using forward warping. Existing methods often adopt a static NeRF to represent the canonical space, and render dynamic images at other…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Xiang Guo , Jiadai Sun , Yuchao Dai , Guanying Chen , Xiaoqing Ye , Xiao Tan , Errui Ding , Yumeng Zhang , Jingdong Wang