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Recently, neural radiance fields (NeRF) have gained significant attention in the field of visual localization. However, existing NeRF-based approaches either lack geometric constraints or require extensive storage for feature matching,…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Hongjia Zhai , Boming Zhao , Hai Li , Xiaokun Pan , Yijia He , Zhaopeng Cui , Hujun Bao , Guofeng Zhang

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

Neural Radiance Fields (NeRF) have garnered considerable attention as a paradigm for novel view synthesis by learning scene representations from discrete observations. Nevertheless, NeRF exhibit pronounced performance degradation when…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Zelin Gao , Weichen Dai , Yu Zhang

Neural Radiance Fields (NeRF) achieves photo-realistic image rendering from novel views, and the Neural Scene Graphs (NSG) \cite{ost2021neural} extends it to dynamic scenes (video) with multiple objects. Nevertheless, computationally heavy…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Yeji Song , Chaerin Kong , Seoyoung Lee , Nojun Kwak , Joonseok Lee

Neural Radiance Fields (NeRF) have recently gained a surge of interest within the computer vision community for its power to synthesize photorealistic novel views of real-world scenes. One limitation of NeRF, however, is its requirement of…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Chen-Hsuan Lin , Wei-Chiu Ma , Antonio Torralba , Simon Lucey

Cross-view localization aims to estimate the 3-DoF pose of a ground-view image by aligning it with aerial or satellite imagery. Existing methods typically address this task through direct regression or feature alignment in a shared…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Panwang Xia , Qiong Wu , Lei Yu , Yi Liu , Mingtao Xiong , Xudong Lu , Yi Liu , Haoyu Guo , Yongxiang Yao , Junjian Zhang , Xiangyuan Cai , Hongwei Hu , Zhi Zheng , Yongjun Zhang , Yi Wan

Neural Radiance Fields (NeRF) use multi-view images for 3D scene representation, demonstrating remarkable performance. As one of the primary sources of multi-view images, multi-camera systems encounter challenges such as varying intrinsic…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Yu Gao , Lutong Su , Hao Liang , Yufeng Yue , Yi Yang , Mengyin Fu

Recent approaches to render photorealistic views from a limited set of photographs have pushed the boundaries of our interactions with pictures of static scenes. The ability to recreate moments, that is, time-varying sequences, is perhaps…

计算机视觉与模式识别 · 计算机科学 2021-05-14 Chaoyang Wang , Ben Eckart , Simon Lucey , Orazio Gallo

3D surface reconstruction from images is essential for numerous applications. Recently, Neural Radiance Fields (NeRFs) have emerged as a promising framework for 3D modeling. However, NeRFs require accurate camera poses as input, and…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Yiyang Chen , Siyan Dong , Xulong Wang , Lulu Cai , Youyi Zheng , Yanchao Yang

We present a method to synthesize novel views from a single $360^\circ$ panorama image based on the neural radiance field (NeRF). Prior studies in a similar setting rely on the neighborhood interpolation capability of multi-layer…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Shreyas Kulkarni , Peng Yin , Sebastian Scherer

Recent implicit neural representations have shown great results for novel view synthesis. However, existing methods require expensive per-scene optimization from many views hence limiting their application to real-world unbounded urban…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Muhammad Zubair Irshad , Sergey Zakharov , Katherine Liu , Vitor Guizilini , Thomas Kollar , Adrien Gaidon , Zsolt Kira , Rares Ambrus

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…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Chen Wang , Xian Wu , Yuan-Chen Guo , Song-Hai Zhang , Yu-Wing Tai , Shi-Min Hu

This study addresses the challenge of performing visual localization in demanding conditions such as night-time scenarios, adverse weather, and seasonal changes. While many prior studies have focused on improving image-matching performance…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Khang Truong Giang , Soohwan Song , Sungho Jo

This work delves into the task of pose-free novel view synthesis from stereo pairs, a challenging and pioneering task in 3D vision. Our innovative framework, unlike any before, seamlessly integrates 2D correspondence matching, camera pose…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Sunghwan Hong , Jaewoo Jung , Heeseong Shin , Jiaolong Yang , Seungryong Kim , Chong Luo

Neural radiance fields (NeRF) encode a scene into a neural representation that enables photo-realistic rendering of novel views. However, a successful reconstruction from RGB images requires a large number of input views taken under static…

计算机视觉与模式识别 · 计算机科学 2022-04-08 Barbara Roessle , Jonathan T. Barron , Ben Mildenhall , Pratul P. Srinivasan , Matthias Nießner

Novel view synthesis from images, for example, with 3D Gaussian splatting, has made great progress. Rendering fidelity and speed are now ready even for demanding virtual reality applications. However, the problem of assisting humans in…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Ayaka Yasunaga , Hideo Saito , Dieter Schmalstieg , Shohei Mori

We present a practical and robust deep learning solution for capturing and rendering novel views of complex real world scenes for virtual exploration. Previous approaches either require intractably dense view sampling or provide little to…

计算机视觉与模式识别 · 计算机科学 2019-05-03 Ben Mildenhall , Pratul P. Srinivasan , Rodrigo Ortiz-Cayon , Nima Khademi Kalantari , Ravi Ramamoorthi , Ren Ng , Abhishek Kar

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…

计算机视觉与模式识别 · 计算机科学 2023-12-19 SeokYeong Lee , JunYong Choi , Seungryong Kim , Ig-Jae Kim , Junghyun Cho

Novel view synthesis (NVS) of multi-human scenes imposes challenges due to the complex inter-human occlusions. Layered representations handle the complexities by dividing the scene into multi-layered radiance fields, however, they are…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Youssef Abdelkareem , Shady Shehata , Fakhri Karray

Texture synthesis is a fundamental problem in computer graphics that would benefit various applications. Existing methods are effective in handling 2D image textures. In contrast, many real-world textures contain meso-structure in the 3D…

计算机视觉与模式识别 · 计算机科学 2024-12-16 Yi-Hua Huang , Yan-Pei Cao , Yu-Kun Lai , Ying Shan , Lin Gao