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相关论文: Estimating Reflectance Layer from A Single Image: …

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Removing undesirable specular highlight from a single input image is of crucial importance to many computer vision and graphics tasks. Existing methods typically remove specular highlight for medical images and specific-object images,…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Shiyu Hou , Chaoqun Wang , Weize Quan , Jingen Jiang , Dong-Ming Yan

The process of decomposing target images into their internal properties is a difficult task due to the inherent ill-posed nature of the problem. The lack of data required to train a network is a one of the reasons why the decomposing…

计算机视觉与模式识别 · 计算机科学 2020-01-16 Mingi Lim , Sung-eui Yoon

We propose a new technique for estimating spatially varying parametric materials from a single image of an object with unknown shape in unknown illumination. Our method uses a low-order parametric reflectance model, and incorporates strong…

图形学 · 计算机科学 2019-12-30 Kevin Karsch , David Forsyth

Recently, deep learning-based single image reflection separation methods have been exploited widely. To benefit the learning approach, a large number of training image pairs (i.e., with and without reflections) were synthesized in various…

计算机视觉与模式识别 · 计算机科学 2020-10-01 Soomin Kim , Yuchi Huo , Sung-Eui Yoon

Current shadow detection methods perform poorly when detecting shadow regions that are small, unclear or have blurry edges. In this work, we attempt to address this problem on two fronts. First, we propose a Fine Context-aware Shadow…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Jeya Maria Jose Valanarasu , Vishal M. Patel

In this paper we are extracting surface reflectance and natural environmental illumination from a reflectance map, i.e. from a single 2D image of a sphere of one material under one illumination. This is a notoriously difficult problem, yet…

计算机视觉与模式识别 · 计算机科学 2016-03-29 Stamatios Georgoulis , Konstantinos Rematas , Tobias Ritschel , Mario Fritz , Luc Van Gool , Tinne Tuytelaars

A deraining network can be interpreted as a conditional generator that aims at removing rain streaks from image. Most existing image deraining methods ignore model errors caused by uncertainty that reduces embedding quality. Unlike existing…

图像与视频处理 · 电气工程与系统科学 2021-06-22 Chenghao Chen , Hao Li

Recent 3D face reconstruction methods have made remarkable advancements, yet there remain huge challenges in monocular high-quality facial reflectance reconstruction. Existing methods rely on a large amount of light-stage captured data to…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Xingyu Ren , Jiankang Deng , Yuhao Cheng , Jia Guo , Chao Ma , Yichao Yan , Wenhan Zhu , Xiaokang Yang

Transparent surfaces, such as glass, create complex reflections that obscure images and challenge downstream computer vision applications. We introduce Flash-Split, a robust framework for separating transmitted and reflected light using a…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Tianfu Wang , Mingyang Xie , Haoming Cai , Sachin Shah , Christopher A. Metzler

In this paper, we propose a novel method for separately estimating spectral distributions from images captured by a typical RGB camera. The proposed method allows us to separately estimate a spectral distribution of illumination,…

图像与视频处理 · 电气工程与系统科学 2021-06-04 Yuma Kinoshita , Hitoshi Kiya

Image quality degradation caused by raindrops is one of the most important but challenging problems that reduce the performance of vision systems. Most existing raindrop removal algorithms are based on a supervised learning method using…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Huijiao Wang , Shenghao Zhao , Lei Yu , Xulei Yang

We address the problem of removing undesirable reflections from a single image captured through a glass surface, which is an ill-posed, challenging but practically important problem for photo enhancement. Inspired by iterative structure…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Chao Li , Yixiao Yang , Kun He , Stephen Lin , John E. Hopcroft

Reflectance bounds the frequency spectrum of illumination in the object appearance. In this paper, we introduce the first stochastic inverse rendering method, which recovers the attenuated frequency spectrum of an illumination jointly with…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Yuto Enyo , Ko Nishino

Low-light images often suffer from limited visibility and multiple types of degradation, rendering low-light image enhancement (LIE) a non-trivial task. Some endeavors have been recently made to enhance low-light images using convolutional…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Zixiang Wei , Yiting Wang , Lichao Sun , Athanasios V. Vasilakos , Lin Wang

Light interreflections occurring in a concave object generate a color gradient which is characteristic of the object's spectral reflectance. In this paper, we use this property in order to estimate the spectral reflectance of matte,…

计算机视觉与模式识别 · 计算机科学 2018-07-04 Rada Deeb , Damien Muselet , Mathieu Hebert , Alain Tremeau

We propose an automatic method to infer high dynamic range illumination from a single, limited field-of-view, low dynamic range photograph of an indoor scene. In contrast to previous work that relies on specialized image capture, user…

计算机视觉与模式识别 · 计算机科学 2017-11-22 Marc-André Gardner , Kalyan Sunkavalli , Ersin Yumer , Xiaohui Shen , Emiliano Gambaretto , Christian Gagné , Jean-François Lalonde

Shadows encode rich information about scene geometry and illumination, yet existing methods either predict a unified shadow mask or overlook attached shadows entirely. We address this gap by proposing a framework for jointly detecting cast…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Shilin Hu , Jingyi Xu , Sagnik Das , Dimitris Samaras , Hieu Le

As vision based perception methods are usually built on the normal light assumption, there will be a serious safety issue when deploying them into low light environments. Recently, deep learning based methods have been proposed to enhance…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Junjie Hu , Xiyue Guo , Junfeng Chen , Guanqi Liang , Fuqin Deng , Tin lun Lam

Recent diffusion-based approaches have made substantial progress in image layer decomposition. However, accurately decomposing complex natural images remains challenging due to difficulties in occlusion completion, robust layer…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Binhao Wang , Shihao Zhao , Bo Cheng , Qiuyu Ji , Yuhang Ma , Liebucha Wu , Shanyuan Liu , Dawei Leng , Yuhui Yin

Rain removal in images/videos is still an important task in computer vision field and attracting attentions of more and more people. Traditional methods always utilize some incomplete priors or filters (e.g. guided filter) to remove rain…

计算机视觉与模式识别 · 计算机科学 2019-06-25 Yinglong Wang , Qinfeng Shi , Ehsan Abbasnejad , Chao Ma , Xiaoping Ma , Bing Zeng