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THE APPLICATION OF THE POLARIZERS IN THE CAMERABASED SMART CAR TO DISTINGUISH ROAD
Author(s): Tang Meng, Xiao Xin, Ye Tianming, Kang Zhiyuan, Wang Fengli
Pages: 69-
71
Year: 2016
Issue:
4
Journal: Physics and Engineering
Keyword: smart car; camera; intensity; polarizer; distinguish road;
Abstract: 本文研究了大范围环境光照强度对摄像头采集道路信息能力的影响,解决了摄像头智能车因光照过强而迷失方向的问题.摄像头前加入两块线偏振片,减弱了进入摄像头光强,同时通过调节两块线偏振片的偏振夹角,也调制了进入摄像头的光强.研究表明:摄像头在早晨和中午时段可有效采集道路信息的条件是两块偏振片的偏振化方向夹角分别为0~60°和40°~65°;傍晚时段,增加偏振片后,提高了道路识别比例参数.合理利用偏振片,可有效提高摄像头的工作范围,拓展了摄像头智能车的使用范围,在加深物理光学知识的同时,提高了学生的综合、创新实践能力.
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