基于线性内插权值人群密度估计的方法研究Research on crowd density estimation method based on linear interpolation weights
张朋,温宏愿
摘要(Abstract):
针对密集人群环境中行人相互遮挡造成人数难以准确统计问题,提出一种基于线性内插权值的人数密度统计方法。系统从视频监控设备获取图像后,首先对图像进行预处理以减少原始图像的干扰,通过混合高斯建模提取前景图像,然后通过线性内插权值进行透视矫正,最后通过构造和提取能量、对比度、熵和相关性四个特征参数进行人数统计。结果表明,在不同的测试环境下所提方法的准确率在90%以上,能够达到人群密度监控的基本要求。
关键词(KeyWords): 人群密度估计;混合高斯建模;透视矫正;能量;对比度;相关性
基金项目(Foundation): 江苏省“333工程”科研资助项目:江苏省高校“青蓝工程”项目(BRA2016177);; 泰州市科技支撑指导项目(SSF20160033)~~
作者(Author): 张朋,温宏愿
DOI: 10.16652/j.issn.1004-373x.2018.14.020
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