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Related papers: Self-Supervised Shadow Removal

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Shadow removal aims at restoring the image content within shadow regions, pursuing a uniform distribution of illumination that is consistent between shadow and non-shadow regions. {Comparing to other image restoration tasks, there are two…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Laniqng Guo , Chong Wang , Yufei Wang , Yi Yu , Siyu Huang , Wenhan Yang , Alex C. Kot , Bihan Wen

The requirement for paired shadow and shadow-free images limits the size and diversity of shadow removal datasets and hinders the possibility of training large-scale, robust shadow removal algorithms. We propose a shadow removal method that…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Hieu Le , Dimitris Samaras

Shadows often create unwanted artifacts in photographs, and removing them can be very challenging. Previous shadow removal methods often produce de-shadowed regions that are visually inconsistent with the rest of the image. In this work we…

Computer Vision and Pattern Recognition · Computer Science 2016-03-22 Liqian Ma , Jue Wang , Eli Shechtman , Kalyan Sunkavalli , Shimin Hu

Shadow removal from a single image is generally still an open problem. Most existing learning-based methods use supervised learning and require a large number of paired images (shadow and corresponding non-shadow images) for training. A…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Yeying Jin , Aashish Sharma , Robby T. Tan

Shadows are frequently encountered natural phenomena that significantly hinder the performance of computer vision perception systems in practical settings, e.g., autonomous driving. A solution to this would be to eliminate shadow regions…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Subhrajyoti Dasgupta , Arindam Das , Senthil Yogamani , Sudip Das , Ciaran Eising , Andrei Bursuc , Ujjwal Bhattacharya

Portrait images often suffer from undesirable shadows cast by casual objects or even the face itself. While existing methods for portrait shadow removal require training on a large-scale synthetic dataset, we propose the first unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Yingqing He , Yazhou Xing , Tianjia Zhang , Qifeng Chen

Shadow removal can significantly improve the image visual quality and has many applications in computer vision. Deep learning methods based on CNNs have become the most effective approach for shadow removal by training on either paired…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 Zhihao Liu , Hui Yin , Yang Mi , Mengyang Pu , Song Wang

Shadow removal is an essential task in computer vision and computer graphics. Recent shadow removal approaches all train convolutional neural networks (CNN) on real paired shadow/shadow-free or shadow/shadow-free/mask image datasets.…

Computer Vision and Pattern Recognition · Computer Science 2021-02-16 Naoto Inoue , Toshihiko Yamasaki

This paper presents a new method for shadow removal using unpaired data, enabling us to avoid tedious annotations and obtain more diverse training samples. However, directly employing adversarial learning and cycle-consistency constraints…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Xiaowei Hu , Yitong Jiang , Chi-Wing Fu , Pheng-Ann Heng

Intrinsic image decomposition, which is an essential task in computer vision, aims to infer the reflectance and shading of the scene. It is challenging since it needs to separate one image into two components. To tackle this, conventional…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Yunfei Liu , Yu Li , Shaodi You , Feng Lu

Removing objects from images is a challenging problem that is important for many applications, including mixed reality. For believable results, the shadows that the object casts should also be removed. Current inpainting-based methods only…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Edward Zhang , Ricardo Martin-Brualla , Janne Kontkanen , Brian Curless

Shadow removal is to restore shadow regions to their shadow-free counterparts while leaving non-shadow regions unchanged. State-of-the-art shadow removal methods train deep neural networks on collected shadow & shadow-free image pairs,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Xiaoguang Li , Qing Guo , Pingping Cai , Wei Feng , Ivor Tsang , Song Wang

Image shadow removal is a crucial task in computer vision. In real-world scenes, shadows alter image color and brightness, posing challenges for perception and texture recognition. Traditional and deep learning methods often overlook the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Jiajia Liang

Shadows can originate from occlusions in both direct and indirect illumination. Although most current shadow removal research focuses on shadows caused by direct illumination, shadows from indirect illumination are often just as pervasive,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Jiamin Xu , Zelong Li , Yuxin Zheng , Chenyu Huang , Renshu Gu , Weiwei Xu , Gang Xu

We propose a novel deep learning method for shadow removal. Inspired by physical models of shadow formation, we use a linear illumination transformation to model the shadow effects in the image that allows the shadow image to be expressed…

Computer Vision and Pattern Recognition · Computer Science 2019-08-26 Hieu Le , Dimitris Samaras

Shadow removal is a computer-vision task that aims to restore the image content in shadow regions. While almost all recent shadow-removal methods require shadow-free images for training, in ECCV 2020 Le and Samaras introduces an innovative…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Zhihao Liu , Hui Yin , Xinyi Wu , Zhenyao Wu , Yang Mi , Song Wang

Shadow removal is still a challenging task due to its inherent background-dependent and spatial-variant properties, leading to unknown and diverse shadow patterns. Even powerful state-of-the-art deep neural networks could hardly recover…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Lan Fu , Changqing Zhou , Qing Guo , Felix Juefei-Xu , Hongkai Yu , Wei Feng , Yang Liu , Song Wang

Removing shadows requires an understanding of both lighting conditions and object textures in a scene. Existing methods typically learn pixel-level color mappings between shadow and non-shadow images, in which the joint modeling of lighting…

Computer Vision and Pattern Recognition · Computer Science 2024-02-02 Yuhao Liu , Zhanghan Ke , Ke Xu , Fang Liu , Zhenwei Wang , Rynson W. H. Lau

We propose a novel deep learning method for shadow removal. Inspired by physical models of shadow formation, we use a linear illumination transformation to model the shadow effects in the image that allows the shadow image to be expressed…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Hieu Le , Dimitris Samaras

In recent years, various shadow detection methods from a single image have been proposed and used in vision systems; however, most of them are not appropriate for the robotic applications due to the expensive time complexity. This paper…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Sepideh Hosseinzadeh , Moein Shakeri , Hong Zhang
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