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相关论文: PhaSR: Generalized Image Shadow Removal with Physi…

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Traditional shadow removal networks often treat image restoration as an unconstrained mapping, lacking the physical interpretability required to balance localized texture recovery with global illumination consistency. To address this, we…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Pan Wang , Yihao Hu , Xiujin Liu , Hang Wang

Shadows are a common factor degrading image quality. Single-image shadow removal (SR), particularly under challenging indirect illumination, is hampered by non-uniform content degradation and inherent ambiguity. Consequently, traditional…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Yu-Fan Lin , Chia-Ming Lee , Chih-Chung Hsu

Lighting normalization is a crucial but underexplored restoration task with broad applications. However, existing works often simplify this task within the context of shadow removal, limiting the light sources to one and oversimplifying the…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Florin-Alexandru Vasluianu , Tim Seizinger , Zongwei Wu , Rakesh Ranjan , Radu Timofte

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…

计算机视觉与模式识别 · 计算机科学 2016-03-22 Liqian Ma , Jue Wang , Eli Shechtman , Kalyan Sunkavalli , Shimin Hu

Shadows are a prevalent problem in remote sensing imagery (RSI), degrading visual quality and severely limiting the performance of downstream tasks like object detection and semantic segmentation. Most prior works treat shadow detection and…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Zi-Yang Bo , Wei Lu , Hongruixuan Chen , Si-Bao Chen , Bin Luo

Face restoration is an inherently ill-posed problem, where additional prior constraints are typically considered crucial for mitigating such pathology. However, real-world image prior are often hard to simulate with precise mathematical…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Lingbo Yang , Pan Wang , Zhanning Gao , Shanshe Wang , Peiran Ren , Siwei Ma , Wen Gao

Forward scatter radar (FSR) has emerged as an effective imaging modality for target detection, utilizing forward scattering (FS) signals to reconstruct two-dimensional shadow profile images of objects. However, real-world FS signals are…

计算物理 · 物理学 2025-08-18 ShuQi Lei , Gan Yu , Yuan Tian , XiaoWei Shao

A key challenge of real-world image super-resolution (SR) is to recover the missing details in low-resolution (LR) images with complex unknown degradations (e.g., downsampling, noise and compression). Most previous works restore such…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Chaofeng Chen , Xinyu Shi , Yipeng Qin , Xiaoming Li , Xiaoguang Han , Tao Yang , Shihui Guo

This paper addresses the problem of inverse rendering from photometric images. Existing approaches for this problem suffer from the effects of self-shadows, inter-reflections, and lack of constraints on the surface reflectance, leading to…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Jingzhi Bao , Guanying Chen , Shuguang Cui

Consistency and realness have always been the two critical issues of image super-resolution. While the realness has been dramatically improved with the use of GAN prior, the state-of-the-art methods still suffer inconsistencies in local…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Yinhuai Wang , Yujie Hu , Jiwen Yu , Jian Zhang

Shadow removal is challenging due to the complex interaction of geometry, lighting, and environmental factors. Existing unsupervised methods often overlook shadow-specific priors, leading to incomplete shadow recovery. To address this…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Tao Lin , Qingwang Wang , Qiwei Liang , Minghua Tang , Yuxuan Sun

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…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Yingqing He , Yazhou Xing , Tianjia Zhang , Qifeng Chen

Non-uniform and multi-illuminant color constancy are important tasks, the solution of which will allow to discard information about lighting conditions in the image. Non-uniform illumination and shadows distort colors of real-world objects…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Oleksii Sidorov

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…

计算机视觉与模式识别 · 计算机科学 2024-10-07 Laniqng Guo , Chong Wang , Yufei Wang , Yi Yu , Siyu Huang , Wenhan Yang , Alex C. Kot , Bihan Wen

Reconstructing high-quality 3D meshes and visuals from 3D Gaussian Splatting(3DGS) still remains a central challenge in computer graphics. Although existing models such as SuGaR offer effective solutions for rendering, there is is still…

图形学 · 计算机科学 2025-09-30 Jeong Uk Lee , Sung Hee Choi

Current SSM-based light field super-resolution (LFSR) methods often fail to fully leverage the complementarity among various LF representations, leading to the loss of fine textures and geometric misalignments across views. To address these…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Zeqiang Wei , Kai Jin , Kuan Song , Xiuzhuang Zhou , Wenlong Chen , Min Xu

Existing face relighting methods often struggle with two problems: maintaining the local facial details of the subject and accurately removing and synthesizing shadows in the relit image, especially hard shadows. We propose a novel deep…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Andrew Hou , Ze Zhang , Michel Sarkis , Ning Bi , Yiying Tong , Xiaoming Liu

Shadow removal is an important computer vision task aiming at the detection and successful removal of the shadow produced by an occluded light source and a photo-realistic restoration of the image contents. Decades of re-search produced a…

计算机视觉与模式识别 · 计算机科学 2020-10-23 Florin-Alexandru Vasluianu , Andres Romero , Luc Van Gool , Radu Timofte

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,…

计算机视觉与模式识别 · 计算机科学 2025-02-12 Jiamin Xu , Zelong Li , Yuxin Zheng , Chenyu Huang , Renshu Gu , Weiwei Xu , Gang Xu

Neural approaches have shown a significant progress on camera-based reconstruction. But they require either a fairly dense sampling of the viewing sphere, or pre-training on an existing dataset, thereby limiting their generalizability. In…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Mohammed Brahimi , Bjoern Haefner , Zhenzhang Ye , Bastian Goldluecke , Daniel Cremers
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