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Outdoor shadow detection by combining tricolor attenuation and intensity
Tian JD(田建东); Zhu LL(朱琳琳); Tang YD(唐延东)
作者部门机器人学研究室
关键词Shadow Detection Tricolor Attenuation Model (Tam) Intensity Image
发表期刊EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING
ISSN1687-6180
2012
期号1页码:8 pp
收录类别SCI ; EI
EI收录号20130515970791
WOS记录号WOS:000305462100001
产权排序1
资助机构This study was supported by the National Natural Science Foundation of China (Grant No. 61102116).
摘要Shadow detection is of broad interest in computer vision. In this article, a new shadow detection method for single color images in outdoor scenes is proposed. Shadows attenuate pixel intensity, and the degrees of attenuation are different in the three RGB color channels. Previously, we proposed the Tricolor Attenuation Model (TAM) that describes the attenuation relationship between shadows and their non-shadow backgrounds in the three color channels. TAM can provide strong information on shadow detection; however, our previous study needs a rough segmentation as the pre-processing step and requires four thresholds. These shortcomings can be overcome by adding intensity information. This article addresses the problem of how to combine TAM and intensity and meanwhile to obtain a threshold for shadow segmentation. Simple and complicated shadow images are used to test the proposed method. The experimental results and comparisons validate its effectiveness.
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Engineering, Electrical & Electronic
关键词[WOS]MOVING-OBJECTS ; SEGMENTATION ; FEATURES ; MODEL
WOS研究方向Engineering
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/10031
专题机器人学研究室
通讯作者Tian JD(田建东)
作者单位State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Nanta Road, Shenyang, China
推荐引用方式
GB/T 7714
Tian JD,Zhu LL,Tang YD. Outdoor shadow detection by combining tricolor attenuation and intensity[J]. EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING,2012(1):8 pp.
APA Tian JD,Zhu LL,&Tang YD.(2012).Outdoor shadow detection by combining tricolor attenuation and intensity.EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING(1),8 pp.
MLA Tian JD,et al."Outdoor shadow detection by combining tricolor attenuation and intensity".EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING .1(2012):8 pp.
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