background subtraction meaning in English

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Second , the foreground area is obtained by background subtraction , viz
其次,利用背景差分法提取运动人体轮廓。
An improved background subtraction using adaptive gaussian mixture models
一种改进的基于混合高斯分布模型的自适应背景消除算法
Background subtraction was used for detecting moving vessels in dock video images
摘要通过背景差法对码头视频图像中的运动船只检测。
On the basis of the former work , we improve the background subtraction algorithm
在前人工作基础上,改进了背景更新算法,提高了算法实时性。
Motion detection for human bodies basing adaptive background subtraction by using an omnidirectional camera
基于自适应背景模型的全方位视觉人体运动检测

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