Three-dimensional profiling using the Fourier transform method with a hexagonal grating projection.

Abstract

We present three-dimensional profilometry based on triangulation in which a hexagonal pattern is projected on the object. To obtain an accurate result with a one-shot photographic image, the Fourier transform method and method of excess fraction are adopted. The three grating components of the hexagonal pattern are used. For compactness a new pattern projection scheme is introduced. The experimental results show that the constructed optical system works well for measuring the profile of a mannequin with a height resolution of ~ +/- 1 mm.

Cite this paper

@article{Iwata2008ThreedimensionalPU, title={Three-dimensional profiling using the Fourier transform method with a hexagonal grating projection.}, author={Koichi Iwata and Fuminori Kusunoki and Kousuke Moriwaki and Hiroki Fukuda and Takaharu Tomii}, journal={Applied optics}, year={2008}, volume={47 12}, pages={2103-8} }