结构光三维成像技术

苏显渝; 张启灿; 陈文静

doi:doi:10.3788/cjl201441.0209001

中国激光, 2014, 41 (2): 0209001, 网络出版: 2014-01-23

结构光三维成像技术下载： 2509次

Three-Dimensional Imaging Based on Structured Illumination

论文大纲

苏显渝 ^*张启灿陈文静

作者单位

四川大学电子信息学院光电科学技术系, 四川成都 610064

摘要

近年来，结构光三维成像技术被深入研究和广泛应用，通常采用的技术方案是投影一个载频条纹到被测物体表面，利用成像设备从另一个角度记录受被测物体高度调制的变形条纹图像，再从获取的变形条纹图中数字解调重建出被测物体的三维数字像。与全息三维成像对应，结构光三维成像过程也是两步成像过程，先获取物体被结构光条纹调制的二维图像，再从包含变形条纹的二维像中通过数字重建方法得到物体的三维数字像。主要回顾了本课题组在基于结构光三维成像技术研究中的进展，讨论了基于傅里叶条纹分析、相移条纹分析和动态过程三维成像的方法，给出了相关应用的实验结果，分析了结构光三维成像的特点以及该领域今后的发展动向。

Abstract

In recent years, three-dimensional (3D) imaging technique based on the structured light illumination has been studied deeply and applied widely. Most commonly, in the technique proposal, a fringe pattern with a carrier frequency component is projected onto the imaged object, then the deformed fringe patterns caused by the height distribution of the tested object′s surface are recorded by a imaging device from the other direction. By demodulating the deformed fringe patterns, the 3D digitized reconstruction of the object can be retrived. Comparing with 3D holographic imaging, such 3D imaging process based on the structured light projection can also be divided into two imaging steps. The two-dimensional (2D) fringe image modulated by the imaged object is captured by a camera. Then, the 3D digitized image of the object can be reconstructed by demodulating the deformed fringe patterns. The progress in this 3D imaging techniques based on the structured light illumination made by author′s research group is reviewed. Different 3D imaging methods based on the Fourier fringe analysis, phase-shifting fringe analysis and dynamic 3D imaging are deeply discussed and some related experimental results are also demonstrated to readers. In addition, the characteristics of the 3D imaging based on structured light imaging and their developing trends in the future are pointed out as well.

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苏显渝, 张启灿, 陈文静. 结构光三维成像技术[J]. 中国激光, 2014, 41(2): 0209001. Su Xianyu, Zhang Qican, Chen Wenjing. Three-Dimensional Imaging Based on Structured Illumination[J]. Chinese Journal of Lasers, 2014, 41(2): 0209001.

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