高速公路动态环境下的摄像机自标定

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1 汪凌峰 已出版文章查询
汪凌峰
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lfwang@nlpr.ia.ac.cn
2 潘春洪 已出版文章查询
潘春洪
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1中国地质大学(北京)信息工程学院 北京 100083

2中国科学院自动化研究所模式识别国家重点实验室 北京 100190


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提出一种动态环境下高速公路监控系统摄像机的自标定方法.首先利用混合高斯背景建模方法从动态视频图像中获取背景图像和目标频繁出现的目标区域然后利用不同的直线检测算法检测和估计出目标区域内高速公路上大量存在的各种标志线和虚标志线以及水平线,基于这些线状特征计算出摄像机的灭点最后根据灭点和线特征之间的几何关系计算出摄像机的内外参数,从而实现摄像机自标定.真实场景的实验结果表明,该算法非常合适于各种高速公路监控系统中摄像机的实时自标定,且精度高、稳定性好.

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语种: 中文   

基金国家自然科学基金(61075016)

关键词摄像机标定 高速公路监控 背景建模 直线检测 灭点


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