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一种改进的帧差和背景减相结合的运动检测方法

DOI: 10.11834/jig.20090624

Keywords: 运动检测,帧差,背景减,邻域相关系数,运动分析

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Abstract:

针对帧差和背景减相结合的运动检测方法存在的不足,进行了以下3个方面的改进:①利用灰度拉伸变换和结合了灰度值信息的邻域相关系数计算方法,解决了背景的误判问题;②通过在帧差和背景减相结合的策略中加入运动分析,解决了缓慢运动目标的漏检问题;③采用运行期更新法更新背景模型,避免了复杂场景下背景模型的退化。实验结果表明,改进后的方法显著改善了帧差和背景减相结合的运动检测方法在背景误判、缓慢运动目标漏检以及背景模型退化等方面存在的问题。

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