一种改进的基于时间差分的运动检测方法

2009 International Workshop on Intelligent Systems and Applications Pub Date : 2009-05-23 DOI:10.1109/IWISA.2009.5072718

Shui-gen Wei, Zhen Chen, Ming Li, Liang Zhuo

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引用次数: 14

摘要

提出了一种改进的基于时间差分的运动检测方法。该方法可以解决时间差分法在运动目标区域产生孔洞的普遍问题。首先，从图像序列中连续的两帧灰度帧计算出绝对差分图像;其次，对绝对差分图像进行低通滤波，转换成二值图像;第三，利用图像序列中的一些灰度图像计算出若干个二值图像。最后，对上述二值图像的像素进行算术运算，提取运动目标区域。实验结果表明，这种改进方法是合适和有效的。它可以精确地检测运动物体区域。

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An Improved Method of Motion Detection Based on Temporal Difference

An improved method of motion detection based on temporal difference is proposed in this paper. This method could solve the general problem of holes being generated in moving object area when using temporal difference method. Firstly, an absolute differential image is calculated from two consecutive gray frames in image sequences. Secondly, the absolute differential image is filtered by low-pass filter, and translated into binary image. Thirdly, a number of binary images are calculated by some gray images in the image sequences. Finally, motion object region is extracted by arithmetic operations of pixels from binary images mentioned above. Experimental results show that this improved method is suitable and effective. It could detect the moving object area precisely.

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2009 International Workshop on Intelligent Systems and Applications

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