background difference

常见例句

This algorithm combines background difference with the particle filter.
该方法利用背景差分法与粒子滤波器算法相结合。
First, the background difference method was used to achieve the segmentation of moving foreground from background.
首先通过背景差分的方法，实现了运动前景和背景的分割；
This paper adopts the three-level DWT to decompose background and image sequences, and detects moving objects only using background difference among those low frequency sub-images.
本文利用DWT对背景和序列图像进行三层分解，仅将低频子图进行背景差分提取了运动目标。

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