基于小波包特征提取的车牌字符识别，是一片期刊论文，还不错的，可以学习-Feature extraction based on wavelet packet license plate character recognition is a journal articles, but also good, you can learn

分类识别，可以选择很多方法，一般步骤：找特征点，训练，比对，找出方法 或者你的那种更容易，可以根据灰度值不同来查找具体位置-Classification, can choose to many methods and general steps: feature points, find training, comparison, find a way Or the kind of easier, you can according to different gray values to