Measurement Accuracy of Fringe Projection Depending on Surface Normal Direction

被引：6

作者：

Kuehmstedt, Peter ^{[1
]}

Braeuer-Burchardt, Christian ^{[1
]}

Notni, Gunther ^{[1
]}

机构：

[1] Fraunhofer IOF Jena, D-07745 Jena, Germany

来源：

OPTICAL INSPECTION AND METROLOGY FOR NON-OPTICS INDUSTRIES | 2009年 / 7432卷

关键词：

measurement accuracy; fringe projection; error analysis; position and surface normal depending accuracy; 3-DIMENSIONAL MEASUREMENT;

D O I：

10.1117/12.827057

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An accuracy analysis of fringe projection systems is performed taking into account the geometric properties of the sensor and the surface shape of the measuring objects. Especially the deviations of the normal vector directions between the optical axis of projection and observation contribute to differences in the achievable measuring accuracy. An accuracy model was developed which describes the relation between the (fix) geometry of the sensor components and the (variable) conditions of the measurement characterized by a set of parameters on the one side and the measuring accuracy on the other side.

引用

页数：9

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