Correction of World Coordinate Error in the Three-Dimensional Laser Scanning System of Human Body

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Abstract:

This paper studies three-dimensional laser scanning system of human body, and make adjustments according to the world coordinate error correction based on the point cloud obtained. This paper also analyzed the cause and characteristics of three-dimensional laser scanning system’s world coordinates error, and established the world coordinate correction model on the condition that vertical column coordinate error is not included in the calibration plane and the error is minimum relative to other highly cross-section. With a standard rectangular timber as the scan objects, correction factor is fitted and the effectiveness of this method is proved through experiments in which point cloud’s world coordinate error is significantly reduced.

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1016-1020

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September 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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DOI: 10.1117/12.716928

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