Research on Precision Measurement of Machine Part Based on Radiometric Calibration

Xiang Xu Li; De Xue Bi

doi:10.4028/www.scientific.net/AMR.706-708.1112

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 706-708Research on Precision Measurement of Machine Part...

Research on Precision Measurement of Machine Part Based on Radiometric Calibration

Abstract:

In this paper, a precision measurement method of machine part based on radiometric calibration was proposed. According to radiometric calibration, the response function of our camera's CCD sensor was obtained, and the non-linear mapping relations between image gray value and the radiant energy of machine part was established. Based on this, the real size of machine part in image was restored. The experiments showed that this method could effectively improve the measurement accuracy, and it would be of great importance in non-contact measurement field of machine part.

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Periodical:

Advanced Materials Research (Volumes 706-708)

Pages:

1112-1115

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.706-708.1112

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Online since:

June 2013

Authors:

Xiang Xu Li, De Xue Bi

Keywords:

Machine Vision, Non-Contact Measurement, Radiometric Calibration, Response Function

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