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The video sequences are processed by the background extraction and adaptation, moving objects detection, shadow detection, eroding and dilating image in order to create the moving pedestrian contour.
首先利用视频图像处理技术实现背景提取、背景更新、移动目标检测。
Contour line is the flowing environment while the pedestrian flow is an indispensable and important component among it.
商业空间是一个流动的环境，动线是其中不可欠缺的一个重要组成部分。
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