Triangulation model taking into account light sheet curvature
Bračun, Drago (Author), Jezeršek, Matija (Author), Diaci, Janez (Author)

URLURL - Presentation file, Visit http://dx.doi.org/10.1088/0957-0233/17/8/019 This link opens in a new window

This paper examines the problem of systematic measurement errors in optical triangulation when some light sheets that illuminate the measured surface exhibit non-negligible bending (curvature). The problem is demonstrated experimentally by triangulation measurement of two reference bodies whose geometry reveals systematic measurement errors due to light sheet curvature. To correct these errors a triangulation model is developed which assumes parabolic light sheet shape and allows exact solution of system equations. Test measurements show that the model successfully compensates for systematic measurement errors originating from the curvature of light sheets.

Keywords:meritve oblik, oblike teles, plošče, triangulacijski modeli, vizualizacija, obdelava slik, shape acqiisition, structural light, laser triangulation, computer vision
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Number of pages:str. 2191-2196
Numbering:Letn. 17, št. 8
ISSN on article:0957-0233
COBISS.SI-ID:9507867 Link is opened in a new window
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Record is a part of a journal

Title:Measurement science & technology
Shortened title:Meas. sci. technol.
Publisher:IOP Publishing
COBISS.SI-ID:6000901 This link opens in a new window

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