针对汽车牌照与车身背景的分割问题，提出一种基于横向方差和数学形态学的图像分割方法。
To segment a vehicle license card from the image background of the whole vehicle, a image segmentation algorithm basing on cross variance and Mathematical morphology is presented.
该文提出一种基于数学形态学的车牌图像分割算法。
In this paper, a algorithm of license plate segmentation based on mathematical morphology is proposed.
在深入研究数学形态学的基础上，提取了一种灰度图像车牌字符提取算法。
Through studying the mathematical morphology thoroughly, a novel license plate character extraction algorithm for the gray image is proposed.
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