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相关论文: From Shadow Generation to Shadow Removal

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Dealing with the inconsistency between a foreground object and a background image is a challenging task in high-fidelity image composition. State-of-the-art methods strive to harmonize the composed image by adapting the style of foreground…

计算机视觉与模式识别 · 计算机科学 2021-01-12 Fangneng Zhan , Shijian Lu , Changgong Zhang , Feiying Ma , Xuansong Xie

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

Current methods for restoring underexposed images typically rely on supervised learning with paired underexposed and well-illuminated images. However, collecting such datasets is often impractical in real-world scenarios. Moreover, these…

计算机视觉与模式识别 · 计算机科学 2025-07-04 Hailong Yan , Junjian Huang , Tingwen Huang

Document shadows are a major obstacle in the digitization process. Due to the dense information in text and patterns covered by shadows, document shadow removal requires specialized methods. Existing document shadow removal methods,…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Yifan Liu , Jiancheng Huang , Na Liu , Mingfu Yan , Yi Huang , Shifeng Chen

This paper presents DeepShadow, a one-shot method for recovering the depth map and surface normals from photometric stereo shadow maps. Previous works that try to recover the surface normals from photometric stereo images treat cast shadows…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Asaf Karnieli , Ohad Fried , Yacov Hel-Or

We present a unified framework tackling two problems: class-specific 3D reconstruction from a single image, and generation of new 3D shape samples. These tasks have received considerable attention recently; however, most existing approaches…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Paul Henderson , Vittorio Ferrari

Lightweight creation of 3D digital avatars is a highly desirable but challenging task. With only sparse videos of a person under unknown illumination, we propose a method to create relightable and animatable neural avatars, which can be…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Wenbin Lin , Chengwei Zheng , Jun-Hai Yong , Feng Xu

Video segmentation consists of a frame-by-frame selection process of meaningful areas related to foreground moving objects. Some applications include traffic monitoring, human tracking, action recognition, efficient video surveillance, and…

计算机视觉与模式识别 · 计算机科学 2022-12-22 Daniel F. S. Santos , Rafael G. Pires , Danilo Colombo , João P. Papa

Computer vision techniques have empowered underwater robots to effectively undertake a multitude of tasks, including object tracking and path planning. However, underwater optical factors like light refraction and absorption present…

计算机视觉与模式识别 · 计算机科学 2024-06-24 Haodong Yang , Jisheng Xu , Zhiliang Lin , Jianping He

Shadow detection is commonly formulated as a vision-driven dense prediction problem, where models rely primarily on pixel-wise visual supervision to distinguish shadows from non-shadow regions. However, this formulation can become…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Yonghui Wang , Wengang Zhou , Hao Feng , Houqiang Li

Single-image dehazing is a challenging problem due to its ill-posed nature. Existing methods rely on a suboptimal two-step approach, where an intermediate product like a depth map is estimated, based on which the haze-free image is…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Yu Zhang , Xinchao Wang , Xiaojun Bi , Dacheng Tao

Shadows are often under-considered or even ignored in image editing applications, limiting the realism of the edited results. In this paper, we introduce MetaShadow, a three-in-one versatile framework that enables detection, removal, and…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Tianyu Wang , Jianming Zhang , Haitian Zheng , Zhihong Ding , Scott Cohen , Zhe Lin , Wei Xiong , Chi-Wing Fu , Luis Figueroa , Soo Ye Kim

Achieving high-quality shadow removal with strong generalizability is challenging in scenes with complex global illumination. Due to the limited diversity in shadow removal datasets, current methods are prone to overfitting training data,…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Jiamin Xu , Yuxin Zheng , Zelong Li , Chi Wang , Renshu Gu , Weiwei Xu , Gang Xu

In this paper, we propose an end-to-end SpA-Former to recover a shadow-free image from a single shaded image. Unlike traditional methods that require two steps for shadow detection and then shadow removal, the SpA-Former unifies these steps…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Xiao Feng Zhang , Chao Chen Gu , Shan Ying Zhu

Low-light imaging with handheld mobile devices is a challenging issue. Limited by the existing models and training data, most existing methods cannot be effectively applied in real scenarios. In this paper, we propose a new low-light image…

图像与视频处理 · 电气工程与系统科学 2021-03-02 Meng Chang , Huajun Feng , Zhihai Xu , Qi Li

In portraits, eyeglasses may occlude facial regions and generate cast shadows on faces, which degrades the performance of many techniques like face verification and expression recognition. Portrait eyeglasses removal is critical in handling…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Junfeng Lyu , Zhibo Wang , Feng Xu

Shadow detection is a fundamental and challenging task, since it requires an understanding of global image semantics and there are various backgrounds around shadows. This paper presents a novel network for shadow detection by analyzing…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Xiaowei Hu , Lei Zhu , Chi-Wing Fu , Jing Qin , Pheng-Ann Heng

Facial landmark detection is a very fundamental and significant vision task with many important applications. In practice, facial landmark detection can be affected by a lot of natural degradations. One of the most common and important…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Lan Fu , Qing Guo , Felix Juefei-Xu , Hongkai Yu , Wei Feng , Yang Liu , Song Wang

Single-view point cloud completion aims to recover the full geometry of an object based on only limited observation, which is extremely hard due to the data sparsity and occlusion. The core challenge is to generate plausible geometries to…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Bowen Zhang , Xi Zhao , He Wang , Ruizhen Hu

Shadow detection and removal is a challenging problem in the analysis of hyperspectral images. Yet, this step is crucial for analyzing data for remote sensing applications like methane detection. In this work, we develop a shadow detection…

数据分析、统计与概率 · 物理学 2023-12-27 Core Francisco Park , Maya Nasr , Manuel Pérez-Carrasco , Eleanor Walker , Douglas Finkbeiner , Cecilia Garraffo