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《Journal of South China University of Technology(Natural Science Edition)》 2016-09
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Gradient-Based Suppression Method of Vehicle Light Interference in Tunnel Scenes

ZHAO Min;SHI Yu-xin;SUN Di-hua;School of Automation,Chongqing University;  
In tunnel scenes,the interference from vehicle light has a strong impact on the accurate extraction of vehicle targets. However,in the existing methods,there is no solution to this problem. Therefore,a suppression method of vehicle light interference is proposed on the basis of light gradient features,and according to the optical radiation and space structure features,a light intensity model of vehicle light illumination on roads and its vehicle light gradient function are constructed. Furthermore,by utilizing the invariance of gradient directions of vehicle light illumination on roads,the non-vehicle light illumination area is screened and a foreground mask is made. Finally,the foreground mask is overlaid with the moving target foreground,thus suppressing the vehicle light Interference. Experimental results show that the proposed method can effectively suppress the vehicle light interference,and thus improve the extraction accuracy of vehicle targets.
【Fund】: 国家自然科学基金资助项目(61573075);; 重庆市重点产业共性关键技术创新专项(cstc2015zdcy-ztzx60002);; 重庆市自然科学基金资助项目(cstc2016jcyjA0565);; 重庆市教委科学技术项目(KJ1503301);; 重庆大学中央高校基本科研业务费专项基金资助项目(106112014CDJZR178801)~~
【CateGory Index】: TP391.41;U495
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