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1引言计算机技术的飞跃发展促进了应用于象无损检测那样需要很多人工判断的领域内的自动系统的开发。另一方面，目前射线图象处理技术正处于深入发展之中。我们采用数字图象处理的方法开发出了X射线探测焊缝接头用的计算辅助射线检测系统。本文介绍了通过焊缝射线图象识别某种
1 Introduction The rapid development of computer technology has promoted the development of automated systems for areas such as nondestructive testing that require a lot of human judgment. On the other hand, the current radiographic image processing technology is under further development. We developed a computational auxiliary ray detection system for X-ray inspection of weld joints using digital image processing. This article describes a certain type of image recognition by weld ray imagery