雾霾天气下交通标志的检测与识别Traffic sign detection and recognition under haze weather
张国山,刘振
摘要(Abstract):
针对我国当前交通环境的多变性,尤其是雾霾天气的出现,提出了一种在雾霾天气下快速实现交通标志分类识别的算法.首先,将图像从RGB颜色空间转换到HSV空间,对S通道图像边缘检测,计算标志牌的圆形度、矩形度等,判定标志牌的形状,定位提取标志牌所在的区域,根据标志牌的颜色和形状的匹配唯一性,对标志牌进行初步分类,然后提取标志牌所在的区域进行模板匹配,读取标志牌的具体含义.实验结果表明:该算法能有效地提高雾霾等恶劣天气下交通标志的检测率,并能满足实时性需求.
关键词(KeyWords): 交通标志;检测识别;图像去雾;HSV;边缘检测;模板匹配;雾霾天气
基金项目(Foundation): 国家自然科学基金资助项目(61473202)
作者(Author): 张国山,刘振
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