本文介绍了一种用于提取管道内表面疵病信息的方法和装置，论述了该装置的设计思想与实施要点。该装置主要用于各种细长钢管内壁质量的实时自动检测，能实现输入信息的数字转换、图象处理、识别分类和输出显示等功能 This paper presents a method and device for extracting flaw information on the inner surface of a pipe, and discusses the design idea and implementation essentials of the device. The device is mainly used for real-time automatic detection of the quality of a variety of elongated steel pipe wall, enabling digital conversion of input information, image processing, identification classification and output display