激光与光电子学进展, 2013, 50 (1): 010001, 网络出版: 2012-10-25   

动态三维面形测量的研究进展 下载: 1265次

Research Progress of Dynamic Three-Dimensional Shape Measurement
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,光学非接触三维面形测量技术被深入研究和广泛应用,其中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,再从中解调重建出被测物体的三维面形分布。与单帧图像的傅里叶条纹分析方法相结合,这种基于条纹投影的调制和解调技术被拓展应用到动态过程(物体)的三维面形测量和重建中,以满足日益增长的动态过程分析需求。回顾了近年来在基于条纹投影和傅里叶分析的动态过程三维面形测量以及薄膜振动模式检测研究中的进展,讨论了不同动态过程的测量方法和测量系统,给出了相关应用的实验结果。讨论了该技术的优点和面临的挑战,并指出了该领域今后的发展动向。
Abstract
Three-dimensional (3D) shape measuring techniques, using a combination of grating projection and a most frequently used mathematical tool-Fourier fringe analysis, have been deeply researched and extensively appled. Such kind of techniques is based on the idea of projecting and superposing a carrier fringe pattern onto the surface of the tested object, and then reconstructing its corresponding 3D shape from the deformed fringe pattern modulated by the height of the tested object and captured by a camera from some other view direction. This paper mainly reviews the basic principles and typical applications of the combined technology based on grating projection and Fourier fringe analysis that we developed over past ten years. The fundamental concepts of time-average fringe method for vibration mode analysis and its experimental results are also presented. Lastly, the advantages and challenges of this technique and the current development of real-time measurement in this research field are described as a discussion and conclusion.

张启灿, 苏显渝. 动态三维面形测量的研究进展[J]. 激光与光电子学进展, 2013, 50(1): 010001. Zhang Qican, Su Xianyu. Research Progress of Dynamic Three-Dimensional Shape Measurement[J]. Laser & Optoelectronics Progress, 2013, 50(1): 010001.

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