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南京师范大学学报(工程技术版) 2015

基于改进混合高斯模型的背景提取与更新

Keywords: 混合高斯模型,背景提取,更新率

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Abstract:

针对序列图像背景提取不能正确地处理场景突变、实时性差等问题,本文提出了改变更新率的背景提取算法.首先,对传统混合高斯模型进行了简化,其次对像素点划分区域,在不同区域采用不同的背景更新率,有选择性地进行背景更新.实验结果表明,该方法提高了提取背景模型的实时性和精度.

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