We introduce a fast algorithm of crack detecting in glass bottle mouth based on digital image processing in order to detect the glass bottle mouth fleetly and exactly without touch.

• 为了能更快速、更准确地对玻璃瓶口进行无接触的检测,提出了一种快速的基于数字图像处理技术的玻璃瓶口裂纹检测算法;