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A New Intrinsic-Lighting Color Space for Daytime Outdoor Images
Han Z(韩志); Tian JD(田建东); Qu LQ(屈靓琼); Tang YD(唐延东)
作者部门机器人学研究室
关键词Color Space Illumination Intrinsic Value Shadow
发表期刊IEEE Transactions on Image Processing
ISSN1057-7149
2017
卷号26期号:2页码:1031-1039
收录类别SCI ; EI
EI收录号20171103439513
WOS记录号WOS:000404773100033
产权排序1
资助机构National Natural Science Foundation of China under Grant 61303168, Grant 61473280, and Grant 61333019.
摘要Extracting or separating intrinsic information and illumination from natural images is crucial for better solving computer vision tasks. In this paper, we present a new illumination-based color space, the IL (intrinsic information and lighting level) space. Its first two channels represent 2D intrinsic information, and the third channel is for lighting levels. The IL color space has a one-to-one correspondence with the RGB color space. One valuable benefit of the IL color space is that illumination-related processing can be realized by directly operating on the lighting channel. As an example, based on the extracted lighting channel, we propose a new algorithm to estimate the intrinsic lighting level of an image such that the shadow-free color image and relighting series are obtained. In contrast to the existing color spaces for display or printing, the IL color space intuitively shows the information of reflectance and lighting levels for colors separately.
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Computer Science, Artificial Intelligence ; Engineering, Electrical & Electronic
关键词[WOS]SHADOW DETECTION ; CONSTANCY ; REMOVAL ; RETINEX ; SURFACE
WOS研究方向Computer Science ; Engineering
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/20242
专题机器人学研究室
通讯作者Tang YD(唐延东)
作者单位1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
3.Department of Computer Science, City University of Hong Kong, Hong Kong
推荐引用方式
GB/T 7714
Han Z,Tian JD,Qu LQ,et al. A New Intrinsic-Lighting Color Space for Daytime Outdoor Images[J]. IEEE Transactions on Image Processing,2017,26(2):1031-1039.
APA Han Z,Tian JD,Qu LQ,&Tang YD.(2017).A New Intrinsic-Lighting Color Space for Daytime Outdoor Images.IEEE Transactions on Image Processing,26(2),1031-1039.
MLA Han Z,et al."A New Intrinsic-Lighting Color Space for Daytime Outdoor Images".IEEE Transactions on Image Processing 26.2(2017):1031-1039.
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