字符识别原代码，将BP神经网络应用于汽车车牌的自动识别，在车牌图像进行预处理后的基础上，重点讨论了用BP神经网络方法对车牌照字符的识别。-Character recognition source code, the BP neural network used in automatic recognition of vehicle license plates, license plate image in the basis of pretreatment, focusing on the u