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31 December 2008 Indirectly online 3D position measurement based on machine vision using auxiliary gauge
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Proceedings Volume 7130, Fourth International Symposium on Precision Mechanical Measurements; 71301Q (2008) https://doi.org/10.1117/12.819600
Event: Fourth International Symposium on Precision Mechanical Measurements, 2008, Anhui, China
Abstract
Accurate and rapid 3D position measurement is required in many industrial applications. Traditional 3D position measurements is usually applied in laboratories using coordinate measuring machine(CMM). CMM can achieve a high accuracy, but efficiency is low. Machine vision is a new technology in position measuring. Measurement based on machine vision has non-touch, high speed, high accuracy and other prominent advantages. Because depth information is lost during the process of image formation, synthesizing operation become more complicated, direct 3D position measurement based on machine vision has hardly been used in online industry application. In this paper, an indirectly online 3D position measurement system is discussed. This system is consisted with an assistant gauge, one set of machine vision system and a computer. Through the assistant gauge, 3D position measurement is transffered to 2D measurement. Thus, making full use of existing 2D image processing theory and method, accuracy and speed of measurement of 3D position measurement may be promoted effectively.
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Qinghua Wu and Tao He "Indirectly online 3D position measurement based on machine vision using auxiliary gauge", Proc. SPIE 7130, Fourth International Symposium on Precision Mechanical Measurements, 71301Q (31 December 2008); https://doi.org/10.1117/12.819600
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