Nonlinear calibration of a laser stripe profiler

被引：36
|
作者：
McIvor, AM [1 ]
机构：
[1] Reveal Ltd, Auckland, New Zealand
来源：
OPTICAL ENGINEERING | 2002年 / 41卷 / 01期
关键词：
laser profiler; calibration; nonlinear methods; least squares;
D O I：
10.1117/1.1416694
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The calibration of a laser stripe profiler consisting of a laser stripe projector, camera, and linear motion table is considered. A nonlinear system model is used, which accommodates radial distortion in the camera lens. The way in which stripe data is extracted from the camera images leads to a natural formulation of the calibration problem as a nonlinear least squares problem. This can then be solved using standard techniques. The use of this nonlinear model reduces the error in the generated 3-D data by over an order of magnitude. (C) 2002 Society of Photo-Optical Instrumentation Engineers.
引用
收藏
页码：205 / 212
页数：8
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