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Object Color Constancy for Outdoor Multiple Light Sources
Qu LQ(屈靓琼); Duan ZG(段志刚); Tian JD(田建东); Han Z(韩志); Tang YD(唐延东)
作者部门机器人学研究室
会议名称1st Chinese Conference on Computer Vision, CCCV 2015
会议日期September 18-20, 2015,
会议地点Xi'an, China,
会议录名称Computer Vision CCF Chinese Conference, CCCV 2015, Proceedings
出版者Springer Verlag
出版地Berlin
2015
页码369-378
收录类别EI ; CPCI(ISTP)
EI收录号20155201735383
WOS记录号WOS:000368371300036
产权排序1
ISBN号978-3-662-48569-9
关键词Object Color Constancy Illumination Invariant Outdoor Multiple Light Sources Object Detection
摘要Color is one of the mostly applied features for object recognition and tracking. Most work for color constancy is often based on the assumption of spatial uniformity or smooth illuminant transaction, which is not always true due to the presence of multiple light sources. In this paper, without these assumptions, we deal with the problem of color constancy in multiple light sources by computing the color constancy on a given object rather than the whole image. It keeps the color constancy for a given object under different outdoor lighting conditions, especially for an object under different shadows. We first calculate a transfer vector based on the given object and the illuminants ratio vector. This vector is then added to the original image to make the object be perpendicular to the illuminants ratio vector. Finally, an object color constant image is obtained by performing an orthogonal decomposition along the illuminants ratio vector on the new image. Compared with color constancy on whole image, this proposed method can reduce color distortion in the object and keep mostly color constancy for an object to be recognized and tracked regardless of lighting conditions. Both quantitative and qualitative experiments validate our method.
语种英语
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/17467
专题机器人学研究室
作者单位State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
推荐引用方式
GB/T 7714
Qu LQ,Duan ZG,Tian JD,et al. Object Color Constancy for Outdoor Multiple Light Sources[C]. Berlin:Springer Verlag,2015:369-378.
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