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Neural Radiance Fields (NeRF) show impressive performance for the photorealistic free-view rendering of scenes. However, NeRFs require dense sampling of images in the given scene, and their performance degrades significantly when only a…

计算机视觉与模式识别 · 计算机科学 2023-09-15 Nagabhushan Somraj , Adithyan Karanayil , Rajiv Soundararajan

Neural Radiance Fields (NeRF) have been successfully applied in various aerial scenes, yet they face challenges with sparse views due to limited supervision. The acquisition of dense aerial views is often prohibitive, as unmanned aerial…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Zihan Gao , Licheng Jiao , Lingling Li , Xu Liu , Fang Liu , Puhua Chen , Yuwei Guo

In this paper, we propose a One-Point-One NeRF (OPONeRF) framework for robust scene rendering. Existing NeRFs are designed based on a key assumption that the target scene remains unchanged between the training and test time. However, small…

计算机视觉与模式识别 · 计算机科学 2024-10-11 Yu Zheng , Yueqi Duan , Kangfu Zheng , Hongru Yan , Jiwen Lu , Jie Zhou

Fourier ptychography is a recently explored imaging method for overcoming the diffraction limit of conventional cameras with applications in microscopy and yielding high-resolution images. In order to splice together low-resolution images…

图像与视频处理 · 电气工程与系统科学 2020-03-18 Yican Chen , Zhi Luo , Xia Wu , Huidong Yang , Bo Huang

View synthesis methods using implicit continuous shape representations learned from a set of images, such as the Neural Radiance Field (NeRF) method, have gained increasing attention due to their high quality imagery and scalability to high…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Guo-Wei Yang , Wen-Yang Zhou , Hao-Yang Peng , Dun Liang , Tai-Jiang Mu , Shi-Min Hu

Neural Radiance Field (NeRF) technology has made significant strides in creating novel viewpoints. However, its effectiveness is hampered when working with sparsely available views, often leading to performance dips due to overfitting.…

计算机视觉与模式识别 · 计算机科学 2025-09-10 Yuru Xiao , Xianming Liu , Deming Zhai , Kui Jiang , Junjun Jiang , Xiangyang Ji

Recently, the field of few-shot detection within remote sensing imagery has witnessed significant advancements. Despite these progresses, the capacity for continuous conceptual learning still poses a significant challenge to existing…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Wuzhou Li , Jiawei Zhou , Xiang Li , Yi Cao , Guang Jin , Xuemin Zhang

We propose a Few-shot Dynamic Neural Radiance Field (FDNeRF), the first NeRF-based method capable of reconstruction and expression editing of 3D faces based on a small number of dynamic images. Unlike existing dynamic NeRFs that require…

计算机视觉与模式识别 · 计算机科学 2022-09-14 Jingbo Zhang , Xiaoyu Li , Ziyu Wan , Can Wang , Jing Liao

Neural Radiance Fields (NeRFs) have shown impressive results for novel view synthesis when a sufficiently large amount of views are available. When dealing with few-shot settings, i.e. with a small set of input views, the training could…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Matteo Bonotto , Luigi Sarrocco , Daniele Evangelista , Marco Imperoli , Alberto Pretto

Novel view synthesis using neural radiance fields (NeRF) is the state-of-the-art technique for generating high-quality images from novel viewpoints. Existing methods require a priori knowledge about extrinsic and intrinsic camera…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Hannah Schieber , Fabian Deuser , Bernhard Egger , Norbert Oswald , Daniel Roth

Neural rendering has garnered substantial attention owing to its capacity for creating realistic 3D scenes. However, its applicability to extensive scenes remains challenging, with limitations in effectiveness. In this work, we propose the…

计算机视觉与模式识别 · 计算机科学 2023-08-31 Zhihao Jia , Bing Wang , Changhao Chen

Generalizability and few-shot learning are key challenges in Neural Radiance Fields (NeRF), often due to the lack of a holistic understanding in pixel-level rendering. We introduce CaesarNeRF, an end-to-end approach that leverages…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Haidong Zhu , Tianyu Ding , Tianyi Chen , Ilya Zharkov , Ram Nevatia , Luming Liang

Novel view synthesis is a long-standing problem. In this work, we consider a variant of the problem where we are given only a few context views sparsely covering a scene or an object. The goal is to predict novel viewpoints in the scene,…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Jonáš Kulhánek , Erik Derner , Torsten Sattler , Robert Babuška

Feed-forward 3D reconstruction methods aim to predict the 3D structure of a scene directly from input images, providing a faster alternative to per-scene optimization approaches. Significant progress has been made in single-view and…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Sam Bahrami , Dylan Campbell

Neural Radiance Fields (NeRF) have demonstrated superior novel view synthesis performance but are slow at rendering. To speed up the volume rendering process, many acceleration methods have been proposed at the cost of large memory…

计算机视觉与模式识别 · 计算机科学 2022-12-19 Sicheng Li , Hao Li , Yue Wang , Yiyi Liao , Lu Yu

Few-shot learning is the process of learning novel classes using only a few examples and it remains a challenging task in machine learning. Many sophisticated few-shot learning algorithms have been proposed based on the notion that networks…

机器学习 · 计算机科学 2019-10-04 Akihiro Nakamura , Tatsuya Harada

Neural Radiance Field (NeRF) has been a mainstream in novel view synthesis with its remarkable quality of rendered images and simple architecture. Although NeRF has been developed in various directions improving continuously its…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Seunghyeon Seo , Yeonjin Chang , Nojun Kwak

Neural radiance fields (NeRF) appeared recently as a powerful tool to generate realistic views of objects and confined areas. Still, they face serious challenges with open scenes, where the camera has unrestricted movement and content can…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Ahmad AlMughrabi , Umair Haroon , Ricardo Marques , Petia Radeva

In Fourier ptychography, multiple low resolution images are captured and subsequently combined computationally into a high-resolution, large-field of view micrograph. A theoretical image-formation model based on the assumption of plane-wave…

光学 · 物理学 2022-06-22 Tomas Aidukas , Lars Loetgering , Andrew Robert Harvey

We present a novel approach for synthesizing realistic novel views using Neural Radiance Fields (NeRF) with uncontrolled photos in the wild. While NeRF has shown impressive results in controlled settings, it struggles with transient objects…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Shuaixian Wang , Haoran Xu , Yaokun Li , Jiwei Chen , Guang Tan