A method of diameter measurement for spur gear based on camera calibration

Ziyue Wu; Jinfeng Geng; Zhe Xu

doi:10.1117/12.946586

2 June 2012 A method of diameter measurement for spur gear based on camera calibration

Ziyue Wu, Jinfeng Geng, Zhe Xu

Proceedings Volume 8334, Fourth International Conference on Digital Image Processing (ICDIP 2012); 83341A (2012) https://doi.org/10.1117/12.946586
Event: Fourth International Conference on Digital Image Processing (ICDIP 2012), 2012, Kuala Lumpur, Malaysia

Abstract

The camera calibration is the basis of putting the computer vision technology into practice. This paper proposes a new method based on camera calibration for diameter measurement of gear, and analyses the error from calibration and measurement. Diameter values are gained by this method, which firstly gets the intrinsic parameters and the extrinsic parameters by camera calibration, then transforms the feature points in image coordinate extracted from the image plane of gear to the 3D world coordinate, lastly computes distance between the features points. The experiment results demonstrate that the method is simple and quick, and easy to implement, highly precise, and rarely limited to the size of target.

Citation Download Citation

Ziyue Wu, Jinfeng Geng, and Zhe Xu "A method of diameter measurement for spur gear based on camera calibration", Proc. SPIE 8334, Fourth International Conference on Digital Image Processing (ICDIP 2012), 83341A (2 June 2012); https://doi.org/10.1117/12.946586

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