计算机科学 ›› 2017, Vol. 44 ›› Issue (Z11): 233-237.doi: 10.11896/j.issn.1002-137X.2017.11A.049
董天阳,朱浩楠,王浩
DONG Tian-yang, ZHU Hao-nan and WANG Hao
摘要: 针对夜间高速光照条件差、车灯种类多样、环境因素干扰等导致的车辆难以检测的问题,提出了一种基于视频的夜间车辆的检测与跟踪算法。该方法首先将OTSU与一维最大熵阈值分割算法相结合来实现车灯的提取,剔除非车灯光源;然后利用车灯的时空特性完成车灯的匹配,解决了一车多灯和并排同速车辆的问题;最后利用kalman滤波器完成车灯的预测跟踪。在交通弱光流畅交通、正常光流畅交通和正常光拥堵交通3种应用场景下对所提算法进行应用和结果分析,实验结果表明所提方法在保证实时性的同时具有较高的准确率。
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