According to adopt the two stages pattern match method, improving the recognition speed and accuracy with wiping off the error points in global pattern match by using area analysis method.

• 通过采用两步法的模板匹配方式,不仅提高了识别的速度,而且在全局匹配过程中通过区域分析的方法去除奇异点,提高了识别的准确性。