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Simultaneous reconstruction of geometry and reflectance properties in uncontrolled environments remains a challenging problem. In this paper, we propose an efficient method to reconstruct the scene's 3D geometry and reflectance from…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Rui Li , Guangmin Zang , Miao Qi , Wolfgang Heidrich

Real-world image super-resolution (Real SR) aims to generate high-fidelity, detail-rich high-resolution (HR) images from low-resolution (LR) counterparts. Existing Real SR methods primarily focus on generating details from the LR RGB…

图像与视频处理 · 电气工程与系统科学 2024-11-22 Long Peng , Wenbo Li , Jiaming Guo , Xin Di , Haoze Sun , Yong Li , Renjing Pei , Yang Wang , Yang Cao , Zheng-Jun Zha

We present Neural Reflectance Fields, a novel deep scene representation that encodes volume density, normal and reflectance properties at any 3D point in a scene using a fully-connected neural network. We combine this representation with a…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Sai Bi , Zexiang Xu , Pratul Srinivasan , Ben Mildenhall , Kalyan Sunkavalli , Miloš Hašan , Yannick Hold-Geoffroy , David Kriegman , Ravi Ramamoorthi

Flatbed scanners have emerged as promising devices for high-resolution, single-image material capture. However, existing approaches assume very specific conditions, such as uniform diffuse illumination, which are only available in certain…

Artificial lights commonly leave strong lens flare artifacts on the images captured at night, degrading both the visual quality and performance of vision algorithms. Existing flare removal approaches mainly focus on removing daytime flares…

计算机视觉与模式识别 · 计算机科学 2023-06-09 Yuekun Dai , Chongyi Li , Shangchen Zhou , Ruicheng Feng , Yihang Luo , Chen Change Loy

Gaussian Splatting is a powerful tool for reconstructing diffuse scenes, but it struggles to simultaneously model specular reflections and the appearance of objects behind semi-transparent surfaces. These specular reflections and…

图形学 · 计算机科学 2026-04-02 Kunnong Zeng , Chensheng Peng , Yichen Xie , Masayoshi Tomizuka , Cem Yuksel

Detecting forged remote sensing images is becoming increasingly critical, as such imagery plays a vital role in environmental monitoring, urban planning, and national security. While diffusion models have emerged as the dominant paradigm…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Zhihong Tan , Jiayi Wang , Huiying Shi , Binyuan Huang , Hongchen Wei , Zhenzhong Chen

Reflective appearance, especially strong and typically near-field specular reflections, poses a fundamental challenge for accurate surface reconstruction and novel view synthesis. Existing Gaussian splatting methods either fail to model…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Ningjing Fan , Yiqun Wang , Dongming Yan , Peter Wonka

Due to the significant information loss in low-resolution (LR) images, it has become extremely challenging to further advance the state-of-the-art of single image super-resolution (SISR). Reference-based super-resolution (RefSR), on the…

计算机视觉与模式识别 · 计算机科学 2019-03-11 Zhifei Zhang , Zhaowen Wang , Zhe Lin , Hairong Qi

A significant volume of analog information, i.e., documents and images, have been digitized in the form of scanned copies for storing, sharing, and/or analyzing in the digital world. However, the quality of such contents is severely…

计算机视觉与模式识别 · 计算机科学 2024-02-09 Junghun Cha , Ali Haider , Seoyun Yang , Hoeyeong Jin , Subin Yang , A. F. M. Shahab Uddin , Jaehyoung Kim , Soo Ye Kim , Sung-Ho Bae

Recently, significant progress has been made in the study of methods for 3D reconstruction from multiple images using implicit neural representations, exemplified by the neural radiance field (NeRF) method. Such methods, which are based on…

计算机视觉与模式识别 · 计算机科学 2024-04-19 Wooseok Kim , Taiki Fukiage , Takeshi Oishi

In this paper, we focus on the problem of rendering novel views from a Neural Radiance Field (NeRF) under unobserved light conditions. To this end, we introduce a novel dataset, dubbed ReNe (Relighting NeRF), framing real world objects…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Marco Toschi , Riccardo De Matteo , Riccardo Spezialetti , Daniele De Gregorio , Luigi Di Stefano , Samuele Salti

In robotic bin-picking applications, the perception of texture-less, highly reflective parts is a valuable but challenging task. The high glossiness can introduce fake edges in RGB images and inaccurate depth measurements especially in…

机器人学 · 计算机科学 2021-10-08 Jun Yang , Yizhou Gao , Dong Li , Steven L. Waslander

Current deep learning approaches in computer vision primarily focus on RGB data sacrificing information. In contrast, RAW images offer richer representation, which is crucial for precise recognition, particularly in challenging conditions…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Christoph Reinders , Radu Berdan , Beril Besbinar , Junji Otsuka , Daisuke Iso

In this paper, we address the problem of reflection removal and deblurring from a single image captured by a plenoptic camera. We develop a two-stage approach to recover the scene depth and high resolution textures of the reflected and…

计算机视觉与模式识别 · 计算机科学 2017-08-24 Paramanand Chandramouli , Mehdi Noroozi , Paolo Favaro

The rise of mobile devices has spurred advancements in camera technology and image quality. However, mobile photography still faces issues like scattering and reflective flares. While previous research has acknowledged the negative impact…

图像与视频处理 · 电气工程与系统科学 2024-11-05 Fengbo Lan , Chang Wen Chen

Real-world image super-resolution is a practical image restoration problem that aims to obtain high-quality images from in-the-wild input, has recently received considerable attention with regard to its tremendous application potentials.…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Hao Li , Jinghui Qin , Zhijing Yang , Pengxu Wei , Jinshan Pan , Liang Lin , Yukai Shi

Reflections in videos are obstructions that often occur when videos are taken behind reflective surfaces like glass. These reflections reduce the quality of such videos, lead to information loss and degrade the accuracy of many computer…

计算机视觉与模式识别 · 计算机科学 2020-09-08 Amgad Ahmed , Suhong Kim , Mohamed Elgharib , Mohamed Hefeeda

Most existing super-resolution methods and datasets have been developed to improve the image quality in well-lighted conditions. However, these methods do not work well in real-world low-light conditions as the images captured in such…

计算机视觉与模式识别 · 计算机科学 2024-10-18 Yang Liu , Yaofang Liu , Jinshan Pan , Yuxiang Hui , Fan Jia , Raymond H. Chan , Tieyong Zeng

Novel view synthesis has experienced significant advancements owing to increasingly capable NeRF- and 3DGS-based methods. However, reflective object reconstruction remains challenging, lacking a proper solution to achieve real-time,…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Yuxuan Yao , Zixuan Zeng , Chun Gu , Xiatian Zhu , Li Zhang