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管道焊缝数字图像缺陷自动识别技术
董绍华,孙玄,谢书懿,王明锋
中国石油大学(北京)机械与储运工程学院
Automatic defect identification technology  of digital image of pipeline weld
Dong Shaohua, Sun Xuan, Xie Shuyi & Wang Mingfeng
(1. College of Mechanical and Transportation Engineering, China University of Petroleum <Beijing>, Beijing 102249, China; 2. China University of Petroleum - Beijing at Karamay, Karamay, Xingjiang 834000, China; 3. Operation District of Hutubi Gas Storage, PetroChina Xinjiang Oilfield Company, Hutubi, Xingjiang 831200, China)