摘要：背景减除法是运动目标检测的常用方法，其性能取决于所使用的背景模型。

Absrtact: background subtraction is one of the common methods in motion detection, its performance depends on the background model.

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介绍了在视觉监控领域经常用到的几种运动人体检测算法，如背景减除法、帧差法、对称差分法、基于RGB图像的运动检测法。

The paper introduces several methods for vision-surveillance using background subtraction, frame-difference method, symmetrical differencing and a method based on RGB image.

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本文提出了一种新的方法，该方法不对运动的人体和背景做限制，利用基于彩色RGB图像的背景减除法来获取运动人体目标的提取。

Here a new method is presented without any limitations. The method of removing the background is used and the field of moving human body is got based on coloured RGB image.

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本文提出了一种新的方法，该方法不对运动的人体和背景做限制，利用基于彩色RGB图像的背景减除法来获取运动人体目标的提取。

Here a new method is presented without any limitations. The method of removing the background is used and the field of moving human body is got based on coloured RGB image.

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