In the online measurement system based on line structured light, the key parameters of workpiece are contained in point clouds collected from measuring system. According to the process characteristics of shaft freeforging, a method of extracting axis by ellipse fitting is introduced. The precision of axis is important for threedimensional reconstruction and key parameters calculation. The feasibility and validity is tested by experiments as well in this study.
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朱志鹏,杨延竹,洪运.基于结构光扫描的轴类锻件轴线快速提取[J].机床与液压,2016,44(6):53-56. . An axis extraction method based on structured light measurement in shaft free-forging[J]. Machine Tool & Hydraulics,2016,44(6):53-56