Spectrally-Based Single Image Relighting

被引:0
|
作者
Xing, Xiaoxiong [1 ,2 ]
Dong, Weiming [1 ,3 ]
Zhang, Xiaopeng [1 ]
Paul, Jean-Claude [3 ]
机构
[1] CAS Inst Automit, LIAMA NLPR, Beijing, Peoples R China
[2] Beijing Normal Univ, Beijing 100875, Peoples R China
[3] INRIA, Paris, France
来源
ENTERTAINMENT FOR EDUCATION: DIGITAL TECHNIQUES AND SYSTEMS | 2010年 / 6249卷
基金
中国国家自然科学基金;
关键词
Image relighting; nighttime effects;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper presents a new spectrally-based single image relighting approach We first compute the spectral radiance of each stimulus on the monitor when displaying the image and then approximate this radiance to the one produced by each corresponding point in the scene to compute spectral reflectance Then we use the spectral power distribution (defined as SPD) of a new illuminant to relight the image Hie key to mu method is the use of the spectral radiance of the stimuli on the monitor to approximate, that of the objects in the given image Since a video can be treated as a series of images, we further extend our algorithm to nighttime effects simulation for daytime videos Our method can also change the illuminant effects of a video
引用
收藏
页码:509 / 517
页数:9
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