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相关论文: U2NeRF: Unsupervised Underwater Image Restoration …

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By supervising camera rays between a scene and multi-view image planes, NeRF reconstructs a neural scene representation for the task of novel view synthesis. On the other hand, shadow rays between the light source and the scene have yet to…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Jingwang Ling , Zhibo Wang , Feng Xu

Images acquired during underwater activities suffer from environmental properties of the water, such as turbidity and light attenuation. These phenomena cause color distortion, blurring, and contrast reduction. In addition, irregular…

图像与视频处理 · 电气工程与系统科学 2022-08-09 Claudio D. Mello , Bryan U. Moreira , Paulo J. O. Evald , Paulo L. Drews , Silvia S. Botelho

Computer vision techniques have empowered underwater robots to effectively undertake a multitude of tasks, including object tracking and path planning. However, underwater optical factors like light refraction and absorption present…

计算机视觉与模式识别 · 计算机科学 2024-06-24 Haodong Yang , Jisheng Xu , Zhiliang Lin , Jianping He

We propose im2nerf, a learning framework that predicts a continuous neural object representation given a single input image in the wild, supervised by only segmentation output from off-the-shelf recognition methods. The standard approach to…

计算机视觉与模式识别 · 计算机科学 2022-09-12 Lu Mi , Abhijit Kundu , David Ross , Frank Dellaert , Noah Snavely , Alireza Fathi

While Transformer has achieved remarkable performance in various high-level vision tasks, it is still challenging to exploit the full potential of Transformer in image restoration. The crux lies in the limited depth of applying Transformer…

计算机视觉与模式识别 · 计算机科学 2021-12-09 Haobo Ji , Xin Feng , Wenjie Pei , Jinxing Li , Guangming Lu

Underwater scene reconstruction poses a substantial challenge because of the intricate interplay between light and the medium, resulting in scattering and absorption effects that make both depth estimation and rendering more complex. While…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Shuyi Hu , Qi Liu

Neural Radiance Fields (NeRF) have demonstrated impressive performance in novel view synthesis. However, NeRF and most of its variants still rely on traditional complex pipelines to provide extrinsic and intrinsic camera parameters, such as…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Qingsong Yan , Qiang Wang , Kaiyong Zhao , Jie Chen , Bo Li , Xiaowen Chu , Fei Deng

3D reconstruction from images has wide applications in Virtual Reality and Automatic Driving, where the precision requirement is very high. Ground-breaking research in the neural radiance field (NeRF) by utilizing Multi-Layer Perceptions…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Jiaming Shen , Bolin Song , Zirui Wu , Yi Xu

Research on neural radiance fields (NeRFs) for novel view generation is exploding with new models and extensions. However, a question that remains unanswered is what happens in underwater or foggy scenes where the medium strongly influences…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Deborah Levy , Amit Peleg , Naama Pearl , Dan Rosenbaum , Derya Akkaynak , Simon Korman , Tali Treibitz

Neural Radiance Fields (NeRF) has achieved unprecedented view synthesis quality using coordinate-based neural scene representations. However, NeRF's view dependency can only handle simple reflections like highlights but cannot deal with…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Yuan-Chen Guo , Di Kang , Linchao Bao , Yu He , Song-Hai Zhang

We present TimeNeRF, a generalizable neural rendering approach for rendering novel views at arbitrary viewpoints and at arbitrary times, even with few input views. For real-world applications, it is expensive to collect multiple views and…

计算机视觉与模式识别 · 计算机科学 2025-07-21 Hsiang-Hui Hung , Huu-Phu Do , Yung-Hui Li , Ching-Chun Huang

We propose DistillNeRF, a self-supervised learning framework addressing the challenge of understanding 3D environments from limited 2D observations in outdoor autonomous driving scenes. Our method is a generalizable feedforward model that…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Letian Wang , Seung Wook Kim , Jiawei Yang , Cunjun Yu , Boris Ivanovic , Steven L. Waslander , Yue Wang , Sanja Fidler , Marco Pavone , Peter Karkus

Recently, Neural Radiance Fields (NeRF) have emerged as a potent method for synthesizing novel views from a dense set of images. Despite its impressive performance, NeRF is plagued by its necessity for numerous calibrated views and its…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Jiayang Bai , Letian Huang , Wen Gong , Jie Guo , Yanwen Guo

Neural Radiance Field (NeRF) has shown impressive performance in novel view synthesis via implicit scene representation. However, it usually suffers from poor scalability as requiring densely sampled images for each new scene. Several…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Muyu Xu , Fangneng Zhan , Jiahui Zhang , Yingchen Yu , Xiaoqin Zhang , Christian Theobalt , Ling Shao , Shijian Lu

We study the problem of inferring an object-centric scene representation from a single image, aiming to derive a representation that explains the image formation process, captures the scene's 3D nature, and is learned without supervision.…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Hong-Xing Yu , Leonidas J. Guibas , Jiajun Wu

Simultaneously achieving 3D reconstruction and new view synthesis for indoor environments has widespread applications but is technically very challenging. State-of-the-art methods based on implicit neural functions can achieve excellent 3D…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Zhenyu Bao , Guibiao Liao , Zhongyuan Zhao , Kanglin Liu , Qing Li , Guoping Qiu

Quality degradation is observed in underwater images due to the effects of light refraction and absorption by water, leading to issues like color cast, haziness, and limited visibility. This degradation negatively affects the performance of…

计算机视觉与模式识别 · 计算机科学 2024-12-03 MD Raqib Khan , Anshul Negi , Ashutosh Kulkarni , Shruti S. Phutke , Santosh Kumar Vipparthi , Subrahmanyam Murala

We present Surf-NeRF, a modified implementation of the recently introduced Shadow Neural Radiance Field (S-NeRF) model. This method is able to synthesize novel views from a sparse set of satellite images of a scene, while accounting for the…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Federico Semeraro , Yi Zhang , Wenying Wu , Patrick Carroll

Underwater image restoration aims to remove geometric and color distortions due to water refraction, absorption and scattering. Previous studies focus on restoring either color or the geometry, but to our best knowledge, not both. However,…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Yue Guo , Haoxiang Liao , Haibin Ling , Bingyao Huang

The image processing community has witnessed remarkable advances in enhancing and restoring images. Nevertheless, restoring the visual quality of underwater images remains a great challenge. End-to-end frameworks might fail to enhance the…

计算机视觉与模式识别 · 计算机科学 2018-09-14 Walysson Vital Barbosa , Henrique Grandinetti Barbosa Amaral , Thiago Lages Rocha , Erickson Rangel Nascimento