Virtual fringe projection system with nonparallel illumination based on iteration

Duo Zhou, Zhangying Wang, Nan Gao, Zonghua Zhang, Xiangqian Jiang

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Fringe projection profilometry has been widely applied in many fields. To set up an ideal measuring system, a virtual fringe projection technique has been studied to assist in the design of hardware configurations. However, existing virtual fringe projection systems use parallel illumination and have a fixed optical framework. This paper presents a virtual fringe projection system with nonparallel illumination. Using an iterative method to calculate intersection points between rays and reference planes or object surfaces, the proposed system can simulate projected fringe patterns and captured images. A new explicit calibration method has been presented to validate the precision of the system. Simulated results indicate that the proposed iterative method outperforms previous systems. Our virtual system can be applied to error analysis, algorithm optimization, and help operators to find ideal system parameter settings for actual measurements.

Original languageEnglish
Article number065201
Pages (from-to)1-9
Number of pages9
JournalMeasurement Science and Technology
Issue number6
Publication statusPublished - 11 Apr 2017


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