First, we standardized the size, variance of gray scale and mean value of gray scale of the motor vehicle plate images.

首先，对机动车号牌图像进行大小、灰度方差、灰度均值的标准化处理。

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First, we standardized the size, variance of gray scale and mean value of gray scale of the motor vehicle plate images.

首先，对机动车号牌图像进行大小、灰度方差、灰度均值的标准化处理。

youdao