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Related papers: Light Field Raindrop Removal via 4D Re-sampling

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Neural Radiance Fields (NeRFs) are emerging as a ubiquitous scene representation that allows for novel view synthesis. Increasingly, NeRFs will be shareable with other people. Before sharing a NeRF, though, it might be desirable to remove…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Silvan Weder , Guillermo Garcia-Hernando , Aron Monszpart , Marc Pollefeys , Gabriel Brostow , Michael Firman , Sara Vicente

Rain streaks can severely degrade the visibility, which causes many current computer vision algorithms fail to work. So it is necessary to remove the rain from images. We propose a novel deep network architecture based on deep convolutional…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Xia Li , Jianlong Wu , Zhouchen Lin , Hong Liu , Hongbin Zha

Photographs taken in adverse weather conditions often suffer from blurriness, occlusion, and low brightness due to interference from rain, snow, and fog. These issues can significantly hinder the performance of subsequent computer vision…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Weikai Qu , Sijun Liang , Cheng Pan , Zikuan Yang , Guanchi Zhou , Xianjun Fu , Bo Liu , Changmiao Wang , Ahmed Elazab

Fringe projection profilometry-based 3-D reconstruction of objects with high reflectivity and low surface roughness remains a significant challenge. When measuring such glossy surfaces, specular reflection and indirect illumination often…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Sanghoon Jeon , Gihyun Jung , Suhyeon Ka , Jae-Sang Hyun

Thermal imaging has a variety of applications, from agricultural monitoring to building inspection to imaging under poor visibility, such as in low light, fog, and rain. However, reconstructing thermal scenes in 3D presents several…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Yvette Y. Lin , Xin-Yi Pan , Sara Fridovich-Keil , Gordon Wetzstein

There is a general expectation that robots should operate in environments that consist of static and dynamic entities including people, furniture and automobiles. These dynamic environments pose challenges to visual simultaneous…

Robotics · Computer Science 2020-03-26 Pushyami Kaveti , Sammie Katt , Hanumant Singh

Recovering the shape and reflectance of non-Lambertian surfaces remains a challenging problem in computer vision since the view-dependent appearance invalidates traditional photo-consistency constraint. In this paper, we introduce a novel…

Computer Vision and Pattern Recognition · Computer Science 2019-04-22 Mingyuan Zhou , Yu Ji , Yuqi Ding , Jinwei Ye , S. Susan Young , Jingyi Yu

Neural radiance fields (NeRF) have revolutionized the field of image-based view synthesis. However, NeRF uses straight rays and fails to deal with complicated light path changes caused by refraction and reflection. This prevents NeRF from…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Xiaoxue Chen , Junchen Liu , Hao Zhao , Guyue Zhou , Ya-Qin Zhang

Raindrops adhering to the lens of UAVs can obstruct visibility of the background scene and degrade image quality. Despite recent progress in image deraining methods and datasets, there is a lack of focus on raindrop removal from UAV aerial…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Wenhui Chang , Hongming Chen , Xin He , Xiang Chen , Liangduo Shen

Rain is one of the most common weather which can completely degrade the image quality and interfere with the performance of many computer vision tasks, especially under heavy rain conditions. We observe that: (i) rain is a mixture of rain…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Yiyang Shen , Yongzhen Wang , Mingqiang Wei , Honghua Chen , Haoran Xie , Gary Cheng , Fu Lee Wang

Light field reconstruction from images captured by focal plane sweeping can achieve high lateral resolution comparable to the modern camera sensor. This is impossible for the conventional micro-lenslet based light field capture systems.…

Computer Vision and Pattern Recognition · Computer Science 2017-02-15 Ni Chen , Zhenbo Ren , Dayan Li , Edmund Y. Lam , Guohai Situ

Learning-based image deraining methods have made great progress. However, the lack of large-scale high-quality paired training samples is the main bottleneck to hamper the real image deraining (RID). To address this dilemma and advance RID,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Yun Guo , Xueyao Xiao , Yi Chang , Shumin Deng , Luxin Yan

Estimating surface reflectance (BRDF) is one key component for complete 3D scene capture, with wide applications in virtual reality, augmented reality, and human computer interaction. Prior work is either limited to controlled environments…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Kihwan Kim , Jinwei Gu , Stephen Tyree , Pavlo Molchanov , Matthias Nießner , Jan Kautz

Light field imaging extends the traditional photography by capturing both spatial and angular distribution of light, which enables new capabilities, including post-capture refocusing, post-capture aperture control, and depth estimation from…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 M. Shahzeb Khan Gul , Bahadir K. Gunturk

Light field cameras have a wide range of uses due to their ability to simultaneously record light intensity and direction. The angular resolution of light fields is important for downstream tasks such as depth estimation, yet is often…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Langqing Shi , Ping Zhou

Neural Radiance Fields (NeRF) are able to reconstruct scenes with unprecedented fidelity, and various recent works have extended NeRF to handle dynamic scenes. A common approach to reconstruct such non-rigid scenes is through the use of a…

Computer Vision and Pattern Recognition · Computer Science 2021-09-13 Keunhong Park , Utkarsh Sinha , Peter Hedman , Jonathan T. Barron , Sofien Bouaziz , Dan B Goldman , Ricardo Martin-Brualla , Steven M. Seitz

Neural Radiance Field (NeRF), capable of synthesizing high-quality novel viewpoint images, suffers from issues like artifact occurrence due to its fixed sampling points during rendering. This study proposes a method that optimizes sampling…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Kazuhiro Ohta , Satoshi Ono

In this paper, we tackle the problem of dense light field (LF) reconstruction from sparsely-sampled ones with wide baselines and propose a learnable model, namely dynamic interpolation, to replace the commonly-used geometry warping…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Mantang Guo , Jing Jin , Hui Liu , Junhui Hou

Light fields are 4D scene representation typically structured as arrays of views, or several directional samples per pixel in a single view. This highly correlated structure is not very efficient to transmit and manipulate (especially for…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Menghan Xia , Jose Echevarria , Minshan Xie , Tien-Tsin Wong

Single image deraining is typically addressed as residual learning to predict the rain layer from an input rainy image. For this purpose, an encoder-decoder network draws wide attention, where the encoder is required to encode a…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Yizhou Li , Yusuke Monno , Masatoshi Okutomi