中文
相关论文

相关论文: OmniSR: Shadow Removal under Direct and Indirect L…

200 篇论文

Despite significant advancements in network-based image harmonization techniques, there still exists a domain disparity between typical training pairs and real-world composites encountered during inference. Most existing methods are trained…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Chris Careaga , S. Mahdi H. Miangoleh , Yağız Aksoy

Existing shadow detection models struggle to differentiate dark image areas from shadows. In this paper, we tackle this issue by verifying that all detected shadows are real, i.e. they have paired shadow casters. We perform this step in a…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Nikolina Kubiak , Elliot Wortman , Armin Mustafa , Graeme Phillipson , Stephen Jolly , Simon Hadfield

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

We present a deep neural network for removing undesirable shading features from an unconstrained portrait image, recovering the underlying texture. Our training scheme incorporates three regularization strategies: masked loss, to emphasize…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Joshua Weir , Junhong Zhao , Andrew Chalmers , Taehyun Rhee

Existing scene understanding systems mainly focus on recognizing the visible parts of a scene, ignoring the intact appearance of physical objects in the real-world. Concurrently, image completion has aimed to create plausible appearance for…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Chuanxia Zheng , Duy-Son Dao , Guoxian Song , Tat-Jen Cham , Jianfei Cai

We present a method that learns neural shadow fields which are neural scene representations that are only learnt from the shadows present in the scene. While traditional shape-from-shadow (SfS) algorithms reconstruct geometry from shadows,…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Kushagra Tiwary , Tzofi Klinghoffer , Ramesh Raskar

Inverse rendering, the process of inferring scene properties from images, is a challenging inverse problem. The task is ill-posed, as many different scene configurations can give rise to the same image. Most existing solutions incorporate…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Linjie Lyu , Ayush Tewari , Marc Habermann , Shunsuke Saito , Michael Zollhöfer , Thomas Leimkühler , Christian Theobalt

We propose a relighting method for outdoor images. Our method mainly focuses on predicting cast shadows in arbitrary novel lighting directions from a single image while also accounting for shading and global effects such the sun light color…

图形学 · 计算机科学 2022-04-21 David Griffiths , Tobias Ritschel , Julien Philip

While recent learning based methods have been observed to be superior for several vision-related applications, their potential in generating artistic effects has not been explored much. One such interesting application is Shadow Art - a…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Kaustubh Sadekar , Ashish Tiwari , Shanmuganathan Raman

To cope with the challenges that low light conditions produce in images, photographers tend to use the light provided by the camera flash to get better illumination. Nevertheless, harsh shadows and non-uniform illumination can arise from…

图像与视频处理 · 电气工程与系统科学 2020-02-25 José Chávez , Rensso Mora , Edward Cayllahua-Cahuina

Rain removal plays an important role in the restoration of degraded images. Recently, data-driven methods have achieved remarkable success. However, these approaches neglect that the appearance of rain is often accompanied by low light…

图像与视频处理 · 电气工程与系统科学 2021-10-19 Yecong Wan , Yuanshuo Cheng , Mingwen Shao

We present a learning-based approach for removing unwanted obstructions, such as window reflections, fence occlusions or raindrops, from a short sequence of images captured by a moving camera. Our method leverages the motion differences…

计算机视觉与模式识别 · 计算机科学 2020-04-03 Yu-Lun Liu , Wei-Sheng Lai , Ming-Hsuan Yang , Yung-Yu Chuang , Jia-Bin Huang

Most existing super-resolution methods do not perform well in real scenarios due to lack of realistic training data and information loss of the model input. To solve the first problem, we propose a new pipeline to generate realistic…

图像与视频处理 · 电气工程与系统科学 2019-05-30 Xiangyu Xu , Yongrui Ma , Wenxiu Sun

We present a new pipeline for holistic 3D scene understanding from a single image, which could predict object shapes, object poses, and scene layout. As it is a highly ill-posed problem, existing methods usually suffer from inaccurate…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Cheng Zhang , Zhaopeng Cui , Yinda Zhang , Bing Zeng , Marc Pollefeys , Shuaicheng Liu

Inverse rendering in urban scenes is pivotal for applications like autonomous driving and digital twins. Yet, it faces significant challenges due to complex illumination conditions, including multi-illumination and indirect light and shadow…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Jingjing Wang , Qirui Hu , Chong Bao , Yuke Zhu , Hujun Bao , Zhaopeng Cui , Guofeng Zhang

Traditional shadow detectors often identify all shadow regions of static images or video sequences. This work presents the Referring Video Shadow Detection (RVSD), which is an innovative task that rejuvenates the classic paradigm by…

计算机视觉与模式识别 · 计算机科学 2024-08-19 Hongqiu Wang , Wei Wang , Haipeng Zhou , Huihui Xu , Shaozhi Wu , Lei Zhu

Existing research has made impressive strides in reconstructing human facial shapes and textures from images with well-illuminated faces and minimal external occlusions. Nevertheless, it remains challenging to recover accurate facial…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Tianxin Huang , Zhenyu Zhang , Ying Tai , Gim Hee Lee

This paper aims to recover the intrinsic reflectance layer and shading layer given a single image. Though this intrinsic image decomposition problem has been studied for decades, it remains a significant challenge in cases of complex…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Xiaodong Wang , Zijun He , Xin Yuan

Low-light is an inescapable element of our daily surroundings that greatly affects the efficiency of our vision. Research works on low-light has seen a steady growth, particularly in the field of image enhancement, but there is still a lack…

计算机视觉与模式识别 · 计算机科学 2018-05-30 Yuen Peng Loh , Chee Seng Chan

Facial shadows often degrade image quality and the performance of vision algorithms. Existing methods struggle to remove shadows while preserving texture, especially under complex lighting conditions, and they lack real-world paired…

计算机视觉与模式识别 · 计算机科学 2026-01-28 Tailong Luo , Jiesong Bai , Jinyang Huang , Junyu Xia , Wangyu Wu , Xuhang Chen