A three-dimensional shape measurement system based on fiber-optic image bundles

Cheng Zhen; Huijie Zhao; Xiaoyue Liang; Hongzhi Jiang; Peijun Lv; Hong Li

doi:10.1117/12.2073636

5 November 2014 A three-dimensional shape measurement system based on fiber-optic image bundles

Cheng Zhen, Huijie Zhao, Xiaoyue Liang, Hongzhi Jiang, Peijun Lv, Hong Li

Proceedings Volume 9273, Optoelectronic Imaging and Multimedia Technology III; 92731Y (2014) https://doi.org/10.1117/12.2073636
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

A three-dimensional shape measurement system based on fiber-optic image bundles was proposed to measure three-dimensional shape of object in confined space. Fiber-optic image bundles have the advantage of flexibility. Firstly, based on the principle of phase-shifting and advantages of fiber-optic image bundles, the mathematical model of the measurement system was established, hardware and software platform of the system was set up. Then, the problems of calibration and poor quality images brought by fiber-optic image bundles were analyzed, after which a viable solution was proposed. Finally, experiments for objects in confined space were performed by using the three-dimensional shape measurement system. As the transmission media of the system, fiber-optic image bundles could achieve picture’s flexible acquisition and projection. The three-dimensional shape of the object was reconstructed after data processing of images. Experimental results indicated that the system was miniature and flexible enough to measure the three-dimensional shape of objects in confined space. It expanded the application range of structured-light three-dimensional shape measurement technique.

Citation Download Citation

Cheng Zhen, Huijie Zhao, Xiaoyue Liang, Hongzhi Jiang, Peijun Lv, and Hong Li "A three-dimensional shape measurement system based on fiber-optic image bundles", Proc. SPIE 9273, Optoelectronic Imaging and Multimedia Technology III, 92731Y (5 November 2014); https://doi.org/10.1117/12.2073636

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KEYWORDS

Fiber optics

3D metrology

3D image processing

Cameras

Imaging systems

3D acquisition

Fiber optics tests

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