车牌识别是我国实现智能交通的重要课题，车牌汉字识别是实现车牌识别的难点。进行车牌汉字识别前的车牌定位与分分、灰度归一化和尺度归一化等预处理工作，提取特征，运用模式识别算法实现车牌汉字识别，并给出实验结果。-Our license plate recognition is an important subject intelligent transportation, license plate character recognition is the difficulty to achieve