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相关论文: Light Field Raindrop Removal via 4D Re-sampling

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We present a method to automatically decompose a light field into its intrinsic shading and albedo components. Contrary to previous work targeted to 2D single images and videos, a light field is a 4D structure that captures non-integrated…

计算机视觉与模式识别 · 计算机科学 2017-04-13 Elena Garces , Jose I. Echevarria , Wen Zhang , Hongzhi Wu , Kun Zhou , Diego Gutierrez

This paper proposes a hybrid radiance field representation for unbounded immersive light field reconstruction which supports high-quality rendering and aggressive view extrapolation. The key idea is to first formally separate the foreground…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Xiaohang Yu , Haoxiang Wang , Yuqi Han , Lei Yang , Tao Yu , Qionghai Dai

Recent neural rendering methods have demonstrated accurate view interpolation by predicting volumetric density and color with a neural network. Although such volumetric representations can be supervised on static and dynamic scenes,…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Julian Knodt , Joe Bartusek , Seung-Hwan Baek , Felix Heide

In this paper, we address the problem of simultaneous relighting and novel view synthesis of a complex scene from multi-view images with a limited number of light sources. We propose an analysis-synthesis approach called Relit-NeuLF.…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Zhong Li , Liangchen Song , Zhang Chen , Xiangyu Du , Lele Chen , Junsong Yuan , Yi Xu

Reconstruction and intrinsic decomposition of scenes from captured imagery would enable many applications such as relighting and virtual object insertion. Recent NeRF based methods achieve impressive fidelity of 3D reconstruction, but bake…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Zian Wang , Tianchang Shen , Jun Gao , Shengyu Huang , Jacob Munkberg , Jon Hasselgren , Zan Gojcic , Wenzheng Chen , Sanja Fidler

Light fields preserve angular information which can be retargeted to multi-panel depth displays. Due to limited aperture size and constrained spatial-angular sampling of many light field capture systems, the displayed light fields provide…

图像与视频处理 · 电气工程与系统科学 2017-10-09 Basel Salahieh , Seth Hunter , Yi Wu , Oscar Nestares

This paper presents a novel and interpretable end-to-end learning framework, called the deep compensation unfolding network (DCUNet), for restoring light field (LF) images captured under low-light conditions. DCUNet is designed with a…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Xianqiang Lyu , Junhui Hou

Restoring a sharp light field image from its blurry input has become essential due to the increasing popularity of parallax-based image processing. State-of-the-art blind light field deblurring methods suffer from several issues such as…

计算机视觉与模式识别 · 计算机科学 2019-12-06 Jonathan Samuel Lumentut , Tae Hyun Kim , Ravi Ramamoorthi , In Kyu Park

Visual degradation caused by rain streak artifacts in low-light conditions significantly hampers the performance of nighttime surveillance and autonomous navigation. Existing image deraining techniques are primarily designed for daytime…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Huichun Liu , Xiaosong Li , Yang Liu , Xiaoqi Cheng , Haishu Tan

Outdoor vision-based systems suffer from atmospheric turbulences, and rain is one of the worst factors for vision degradation. Current rain removal methods show limitations either for complex dynamic scenes, or under torrential rain with…

计算机视觉与模式识别 · 计算机科学 2018-04-26 Jie Chen , Cheen-Hau Tan , Junhui Hou , Lap-Pui Chau , He Li

Light field (LF) imaging, which captures both spatial and angular information of a scene, is undoubtedly beneficial to numerous applications. Although various techniques have been proposed for LF acquisition, achieving both angularly and…

计算机视觉与模式识别 · 计算机科学 2022-01-05 Trung-Hieu Tran , Jan Berberich , Sven Simon

Existing methods for relightable view synthesis -- using a set of images of an object under unknown lighting to recover a 3D representation that can be rendered from novel viewpoints under a target illumination -- are based on inverse…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Xiaoming Zhao , Pratul P. Srinivasan , Dor Verbin , Keunhong Park , Ricardo Martin Brualla , Philipp Henzler

A Light Field (LF) camera consists of an additional two-dimensional array of micro-lenses placed between the main lens and sensor, compared to a conventional camera. The sensor pixels under each micro-lens receive light from a sub-aperture…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Suresh Nehra , Aupendu Kar , Jayanta Mukhopadhyay , Prabir Kumar Biswas

Existing deep learning-based image deraining methods have achieved promising performance for synthetic rainy images, typically rely on the pairs of sharp images and simulated rainy counterparts. However, these methods suffer from…

图像与视频处理 · 电气工程与系统科学 2021-03-26 Yuntong Ye , Yi Chang , Hanyu Zhou , Luxin Yan

Rain degrades the visual quality of multi-view images, which are essential for 3D scene reconstruction, resulting in inaccurate and incomplete reconstruction results. Existing datasets often overlook two critical characteristics of real…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Qianfeng Yang , Xiang Chen , Pengpeng Li , Qiyuan Guan , Guiyue Jin , Jiyu Jin

In view synthesis, a neural radiance field approximates underlying density and radiance fields based on a sparse set of scene pictures. To generate a pixel of a novel view, it marches a ray through the pixel and computes a weighted sum of…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Nikita Morozov , Denis Rakitin , Oleg Desheulin , Dmitry Vetrov , Kirill Struminsky

Accelerating neural radiance fields training is of substantial practical value, as the ray sampling strategy profoundly impacts network convergence. More efficient ray sampling can thus directly enhance existing NeRF models' training…

计算机视觉与模式识别 · 计算机科学 2023-08-31 Shilei Sun , Ming Liu , Zhongyi Fan , Yuxue Liu , Chengwei Lv , Liquan Dong , Lingqin Kong

Inspired by the recent advances in implicitly representing signals with trained neural networks, we aim to learn a continuous representation for narrow-baseline 4D light fields. We propose an implicit representation model for 4D light…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Paramanand Chandramouli , Hendrik Sommerhoff , Andreas Kolb

Defocus deblurring is a challenging task due to the spatially varying nature of defocus blur. While deep learning approach shows great promise in solving image restoration problems, defocus deblurring demands accurate training data that…

图像与视频处理 · 电气工程与系统科学 2022-04-04 Lingyan Ruan , Bin Chen , Jizhou Li , Miuling Lam

Single image rain removal is a typical inverse problem in computer vision. The deep learning technique has been verified to be effective for this task and achieved state-of-the-art performance. However, previous deep learning methods need…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Wei Wei , Deyu Meng , Qian Zhao , Zongben Xu , Ying Wu