the background difference method 背景差分法
Local background difference 局域背景差分
cultural background difference 文化背景差异
Economic Background Difference 经济背景差异
knowledge background difference 知识背景差异
To the disadvantages of sorting difference algorithm, background difference compression algorithm of the traffic image is proposed.
2针对现有的排序差分算法的不足,给出了交通图像背景差分压缩算法。
参考来源 - 稀疏分解在交通图像压缩中的应用The algorithm reinforces the edge of moving object by edge detection, and avoids the influence of noise brought by edge detection. Finally, the moving object is segmented by background difference.
该算法对序列图像用边缘检测有效突出运动目标的边缘轮廓信息，并用高斯滤波消除边缘检测带来的噪声增强，最后用背景差法分割出运动目标。
参考来源 - 视频车速检测中图像分析算法的研究Image background difference technique is employed to realize the quick recognition and extraction of vehicle body mark point.
以算法的通用性和实时性为目标,本文通过运用图像背景差分法快速识别和提取车身标识点。
参考来源 - 乘用车车身结构件安全性试验系统的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
A novel variable coefficient spatial filter is designed, which could effectively enhance the background difference image.
本文还设计了一种新的变系数空域滤波器，该滤波器能有效地对背景差图像进行显著增强。
The result shows this algorithm is better than frame difference method, background difference method and road mark method.
结果显示该算法明显优于帧差法、背景差法、路面标记法。
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