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Related papers: Structure-Informed Shadow Removal Networks

200 papers

Shadows, formed by the occlusion of light, play an essential role in visual perception and directly influence scene understanding, image quality, and visual realism. This paper presents a unified survey and benchmark of deep-learning-based…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Xiaowei Hu , Zhenghao Xing , Tianyu Wang , Chi-Wing Fu , Pheng-Ann Heng

Shadow removal improves the visual quality and legibility of digital copies of documents. However, document shadow removal remains an unresolved subject. Traditional techniques rely on heuristics that vary from situation to situation. Given…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Xuhang Chen , Xiaodong Cun , Chi-Man Pun , Shuqiang Wang

When imaging through a semi-reflective medium such as glass, the reflection of another scene can often be found in the captured images. It degrades the quality of the images and affects their subsequent analyses. In this paper, a novel deep…

Image and Video Processing · Electrical Eng. & Systems 2022-08-11 Tingtian Li , Yuk-Hee Chan , Daniel P. K. Lun

A user-centric method for fast, interactive, robust and high-quality shadow removal is presented. Our algorithm can perform detection and removal in a range of difficult cases: such as highly textured and colored shadows. To perform…

Computer Vision and Pattern Recognition · Computer Science 2016-09-21 Han Gong , Darren P. Cosker

3D reconstruction from a single image is a key problem in multiple applications ranging from robotic manipulation to augmented reality. Prior methods have tackled this problem through generative models which predict 3D reconstructions as…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Andrey Kurenkov , Jingwei Ji , Animesh Garg , Viraj Mehta , JunYoung Gwak , Christopher Choy , Silvio Savarese

Intrinsic image decomposition is the process of recovering the image formation components (reflectance and shading) from an image. Previous methods employ either explicit priors to constrain the problem or implicit constraints as formulated…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Partha Das , Sezer Karaoglu , Theo Gevers

Most shadow removal methods rely on the invasion of training images associated with laborious and lavish shadow region annotations, leading to the increasing popularity of shadow image synthesis. However, the poor performance also stems…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Yunshan Zhong , Lizhou You , Yuxin Zhang , Fei Chao , Yonghong Tian , Rongrong Ji

Transformer recently emerged as the de facto model for computer vision tasks and has also been successfully applied to shadow removal. However, these existing methods heavily rely on intricate modifications to the attention mechanisms…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Zhuohao Li , Guoyang Xie , Guannan Jiang , Zhichao Lu

Deep neural networks demonstrate to have a high performance on image classification tasks while being more difficult to train. Due to the complexity and vanishing gradient problem, it normally takes a lot of time and more computational…

Computer Vision and Pattern Recognition · Computer Science 2018-05-02 Mohammad Sadegh Ebrahimi , Hossein Karkeh Abadi

Shadows often occur when we capture the documents with casual equipment, which influences the visual quality and readability of the digital copies. Different from the algorithms for natural shadow removal, the algorithms in document shadow…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Zinuo Li , Xuhang Chen , Chi-Man Pun , Xiaodong Cun

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

Image deblurring is a fundamental and challenging low-level vision problem. Previous vision research indicates that edge structure in natural scenes is one of the most important factors to estimate the abilities of human visual perception.…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Zhichao Fu , Tianlong Ma , Yingbin Zheng , Hao Ye , Jing Yang , Liang He

Land cover maps generated from semantic segmentation of high-resolution remotely sensed images have drawn mucon in the photogrammetry and remote sensing research community. Currently, massive fine-resolution remotely sensed (FRRS) images…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Naftaly Wambugu , Ruisheng Wang , Bo Guo , Tianshu Yu , Sheng Xu , Mohammed Elhassan

Shadow removal is an essential task for scene understanding. Many studies consider only matching the image contents, which often causes two types of ghosts: color in-consistencies in shadow regions or artifacts on shadow boundaries. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Xiaodong Cun , Chi-Man Pun , Cheng Shi

We propose to learn a fully-convolutional network model that consists of a Chain of Identity Mapping Modules and residual on the residual architecture for image denoising. Our network structure possesses three distinctive features that are…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Saeed Anwar , Cong Phuoc Huynh , Fatih Porikli

Deep convolutional neural networks have recently achieved great success on image aesthetics assessment task. In this paper, we propose an efficient method which takes the global, local and scene-aware information of images into…

Computer Vision and Pattern Recognition · Computer Science 2019-02-25 Xin Fu , Jia Yan , Cien Fan

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

In this paper, a deep learning color image steganography scheme combining convolutional autoencoders and ResNet architecture is proposed. Traditional steganography methods suffer from some critical defects such as low capacity, security,…

Image and Video Processing · Electrical Eng. & Systems 2024-06-18 Seyed Hesam Odin Hashemi , Mohammad-Hassan Majidi , Saeed Khorashadizadeh

Inpainting shadowed regions cast by superficial blood vessels in retinal optical coherence tomography (OCT) images is critical for accurate and robust machine analysis and clinical diagnosis. Traditional sequence-based approaches such as…

Computer Vision and Pattern Recognition · Computer Science 2022-02-24 Yaoqi Tang , Yufan Li , Hongshan Liu , Jiaxuan Li , Peiyao Jin , Yu Gan , Yuye Ling , Yikai Su

Solving variational image segmentation problems with hidden physics is often expensive and requires different algorithms and manually tunes model parameter. The deep learning methods based on the U-Net structure have obtained outstanding…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Hui Zhu , Shi Shu , Jianping Zhang