一个简单易用的车牌自动识别算法，可以从图中自动选择车牌，基于数学形态学完成字符提取，最后经过字符匹配完成车牌识别。-A simple-to-use automatic license plate recognition algorithm can automatically select the license plates from the figure, based on mathematical morphology complete character extraction, and finally through the complete license plate recognition character matches.