Improvement of a complex deep-hole measurement system based on ring-structured-light

Hui Wen Leng; Chun Guang Xu; Ding Guo Xiao; Zhong Wei Feng

doi:10.3969/j.issn.1003-501X.2010.01.02

Improvement of a complex deep-hole measurement system based on ring-structured-light

Hui Wen Leng^*, Chun Guang Xu, Ding Guo Xiao, Zhong Wei Feng

^*Corresponding author for this work

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

A 3D measurement system of complex deep-hole profiles based on ring-structured-light was presented. By analyzing disadvantages of the original system, such as nonlinearity between the input and output, the exterior and the interior stripe points of the image belonging to different measured profile in once measurement and existing occlusions due to rifling, an improved scheme was proposed, in which the half-angle of the conic mirror was changed from 45° to 50.7°. In the meantime, related parameters of the measurement system were also adjusted. The improved system eliminates nonlinearity error, which increases measurement accuracy. The exterior and the interior stripe points belong to the same measured profile, and one side of the occlusions of the exterior stripe is eliminated, which can increase the efficiency and the accuracy of 3D reconstruction.

Original language	English
Pages (from-to)	7-12
Number of pages	6
Journal	Guangdian Gongcheng/Opto-Electronic Engineering
Volume	37
Issue number	1
DOIs	https://doi.org/10.3969/j.issn.1003-501X.2010.01.02
Publication status	Published - Jan 2010

Keywords

3D measurement
Hole-type parts
Optical detection
Reflection conic mirror
Ring-structured-light

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10.3969/j.issn.1003-501X.2010.01.02

Cite this

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abstract = "A 3D measurement system of complex deep-hole profiles based on ring-structured-light was presented. By analyzing disadvantages of the original system, such as nonlinearity between the input and output, the exterior and the interior stripe points of the image belonging to different measured profile in once measurement and existing occlusions due to rifling, an improved scheme was proposed, in which the half-angle of the conic mirror was changed from 45° to 50.7°. In the meantime, related parameters of the measurement system were also adjusted. The improved system eliminates nonlinearity error, which increases measurement accuracy. The exterior and the interior stripe points belong to the same measured profile, and one side of the occlusions of the exterior stripe is eliminated, which can increase the efficiency and the accuracy of 3D reconstruction.",

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Improvement of a complex deep-hole measurement system based on ring-structured-light

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Keywords

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