视觉作为人体从外界获取信息的主要信号源之一，在人体运动过程中起着重要的调解作用。

As the main source of body receives information from environment, vision plays an important role in the process of sports.

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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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