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基于概率速度场的实时船舶检测

DOI: 10.11834/jig.2001012258

Keywords: 图象序列,速度场,概率速度场,实时检测,船舶,自动控制,三峡工程,船闸,运动信息

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Abstract:

为了准确及时获取船舶在船闸中的运动信息,提出了一种基于概率速度场的实时检测船闸中船舶的方法。该方法首先分析了船舶在船闸中运行的各种环境因素;其次为了消除和减弱阴影和光斑的影响,从监测图象灰度直方图中派生出一个高斯概率分布模型,进而获取图象的概率场;最后定义了一个基于光流计算的可实时检测船舶的概率速度场。该方法已成功地测试了大量通过三峡临时船闸和葛洲坝船闸的船舶序列图象。

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