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Fully automated low-cost setup for fringe projection profilometry

机译:全自动低成本的条纹投影轮廓仪

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摘要

In this paper an alternative low-cost, easy-to-use, and fully automated profilometry setup is proposed. The setup is based on a phase-shifting fringe projection technique with four projected fringe parameters. It uses the well-known triangulation arrangement and low-cost electronic and image acquisition components such as a data acquisition board, a motor controller board, a printer rail, a CMOS webcam, and an LCD projector. The position of the camera, the generation of the fringe pattern, the acquisition of the images, and the calculation of the wrapped and unwrapped phase are all performed in LabVIEW. The setup is portable and can be perfectly adapted to be used in other profilometry techniques such as electronic speckle pattern interferometry and laser scanning profilometry. (C) 2015 Optical Society of America
机译:在本文中,提出了另一种低成本,易于使用的全自动轮廓分析仪设置。该设置基于具有四个投影条纹参数的相移条纹投影技术。它使用了众所周知的三角剖分布置和低成本的电子和图像采集组件,例如数据采集板,电机控制器板,打印机导轨,CMOS网络摄像头和LCD投影仪。相机的位置,条纹图案的生成,图像的获取以及包裹和未包裹相位的计算均在LabVIEW中执行。该装置是便携式的,可以完美地用于其他轮廓仪技术中,例如电子散斑图干涉仪和激光扫描轮廓仪。 (C)2015年美国眼镜学会

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