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With the introduction of Neural Radiance Fields (NeRFs), novel view synthesis has recently made a big leap forward. At the core, NeRF proposes that each 3D point can emit radiance, allowing to conduct view synthesis using differentiable…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Marie-Julie Rakotosaona , Fabian Manhardt , Diego Martin Arroyo , Michael Niemeyer , Abhijit Kundu , Federico Tombari

Rendering scenes with a high-quality human face from arbitrary viewpoints is a practical and useful technique for many real-world applications. Recently, Neural Radiance Fields (NeRF), a rendering technique that uses neural networks to…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Satoshi Tsutsui , Weijia Mao , Sijing Lin , Yunyi Zhu , Murong Ma , Mike Zheng Shou

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…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Yurui Chen , Chun Gu , Feihu Zhang , Li Zhang

Neural radiance fields (NeRF) show great success in novel view synthesis. However, in real-world scenes, recovering high-quality details from the source images is still challenging for the existing NeRF-based approaches, due to the…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Kun Zhou , Wenbo Li , Yi Wang , Tao Hu , Nianjuan Jiang , Xiaoguang Han , Jiangbo Lu

Colorization is a well-explored problem in the domains of image and video processing. However, extending colorization to 3D scenes presents significant challenges. Recent Neural Radiance Field (NeRF) and Gaussian-Splatting(3DGS) methods…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Ankit Dhiman , R Srinath , Srinjay Sarkar , Lokesh R Boregowda , R Venkatesh Babu

Neural radiance fields (NeRF) methods have demonstrated impressive novel view synthesis performance. The core approach is to render individual rays by querying a neural network at points sampled along the ray to obtain the density and…

计算机视觉与模式识别 · 计算机科学 2021-06-10 Relja Arandjelović , Andrew Zisserman

We present a method that achieves state-of-the-art results for synthesizing novel views of complex scenes by optimizing an underlying continuous volumetric scene function using a sparse set of input views. Our algorithm represents a scene…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Ben Mildenhall , Pratul P. Srinivasan , Matthew Tancik , Jonathan T. Barron , Ravi Ramamoorthi , Ren Ng

3D reconstruction methods such as Neural Radiance Fields (NeRFs) excel at rendering photorealistic novel views of complex scenes. However, recovering a high-quality NeRF typically requires tens to hundreds of input images, resulting in a…

Representing and synthesizing novel views in real-world dynamic scenes from casual monocular videos is a long-standing problem. Existing solutions typically approach dynamic scenes by applying geometry techniques or utilizing temporal…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Boyu Zhang , Wenbo Xu , Zheng Zhu , Guan Huang

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…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Dan Wang , Xinrui Cui , Septimiu Salcudean , Z. Jane Wang

In recent years, the performance of novel view synthesis using perspective images has dramatically improved with the advent of neural radiance fields (NeRF). This study proposes two novel techniques that effectively build NeRF for…

计算机视觉与模式识别 · 计算机科学 2022-12-08 Takashi Otonari , Satoshi Ikehata , Kiyoharu Aizawa

Synthesizing extrapolated views remains a difficult task, especially in urban driving scenes, where the only reliable sources of data are limited RGB captures and sparse LiDAR points. To address this problem, we present PointmapDiff, a…

Neural Radiance Fields (NeRF) has emerged as a compelling framework for scene representation and 3D recovery. To improve its performance on real-world data, depth regularizations have proven to be the most effective ones. However, depth…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Aoxiang Fan , Corentin Dumery , Nicolas Talabot , Pascal Fua

In recent years, novel view synthesis has gained popularity in generating high-fidelity images. While demonstrating superior performance in the task of synthesizing novel views, the majority of these methods are still based on the…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Xiaoyan Yang , Dingbo Lu , Yang Li , Chenhui Li , Changbo Wang

Neural Radiance Fields (NeRF) achieve photo-realistic view synthesis with densely captured input images. However, the geometry of NeRF is extremely under-constrained given sparse views, resulting in significant degradation of novel view…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Zheng Chen , Chen Wang , Yuan-Chen Guo , Song-Hai Zhang

We present a novel method for diffusion-guided frameworks for view-consistent super-resolution (SR) in neural rendering. Our approach leverages existing 2D SR models in conjunction with advanced techniques such as Variational Score…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Shrey Vishen , Jatin Sarabu , Saurav Kumar , Chinmay Bharathulwar , Rithwick Lakshmanan , Vishnu Srinivas

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

Recent research has demonstrated that the combination of pretrained diffusion models with neural radiance fields (NeRFs) has emerged as a promising approach for text-to-3D generation. Simply coupling NeRF with diffusion models will result…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Lu Yu , Wei Xiang , Kang Han

We present Knowledge NeRF to synthesize novel views for dynamic scenes. Reconstructing dynamic 3D scenes from few sparse views and rendering them from arbitrary perspectives is a challenging problem with applications in various domains.…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Wenxiao Cai , Xinyue Lei , Xinyu He , Junming Leo Chen , Yangang Wang

We present an approach to generate a 360-degree view of a person with a consistent, high-resolution appearance from a single input image. NeRF and its variants typically require videos or images from different viewpoints. Most existing…

计算机视觉与模式识别 · 计算机科学 2023-11-16 Badour AlBahar , Shunsuke Saito , Hung-Yu Tseng , Changil Kim , Johannes Kopf , Jia-Bin Huang