Automatic recognition for the position and orientation of parts in intelligent CMMs

Xinhui Ma, Guoxiong Zhang, Jianli Wang, Shugui Liu

Research output: Contribution to journalArticlepeer-review

Abstract

A method for automatic recognition of the position and orientation of parts based on machine vision and CAD 3D model is proposed. Virtual image matching is used to confirm the position and orientation of the part. By perspective imagery,virtual images of the CAD 3D model are produced according to each pose of the part. Real image generated by CCD camera is matched with virtual images of the part. The result of matching is used to confirm the relation of the part coordinates and the machine coordinates. This method is implemented on 3D coordinate measuring machines. Experiments are given to verify the method and its precision is analyzed.
Original languageEnglish
Pages (from-to)165-170
Number of pages6
JournalYi Qi Yi Biao Xue Bao/Chinese Journal of Scientific Instrument
Volume24
Issue number2
Publication statusPublished - 2003

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