红外与激光工程, 2020, 49 (3): 0303004, 网络出版: 2020-04-22   

基于格雷码图案投影的结构光三维成像技术 下载: 1579次

Three-dimensional imaging technique based on Gray-coded structured illumination
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 610065
摘要
近年来,结构光三维成像技术被深入研究和广泛应用。在众多的结构光投影三维成像方法中,基于格雷码图案投影的三维成像技术因具有良好的鲁棒性和抗噪性被广泛地应用到工业检测、文物数字化及生物医学检测等领域。投影出去的格雷码图案作为一种结构光,可以直接用来调制被测面形高度分布,也可以用来辅助其他结构光的信息获取和计算,最终达到三维成像的目的。文中概述了基于格雷码图案投影的结构光三维成像技术,回顾了不同种类方法的基本原理以及研究进展,给出了课题组相关方向上的原理及应用研究结果,分析了格雷码二值图案在三维面形测量应用中的优缺点和适用范围,并指出了该领域今后的发展动向。
Abstract
Three-dimensional (3D) imaging technique based on structured illumination has been deeply studied and widely applied in recent years. Among numerous 3D imaging methods, the imaging technique based on Gray-coded structured illumination has been applied in industrial inspection, digitalization of antique, biomedicine detection and so on, owing to its robustness and anti-noise ability. To realize 3D imaging, the projected Gray-coded pattern can either be used to modulate the height information or be used to assist acquisition and computation of the height information of the tested object. In this paper, a review was given to introduce principles and progresses of the imaging techniques based on Gray-coded structured illumination and the research achievements of the author's research group about this technique were also shown. In addition, the advantages, disadvantages and application scope of binary Gray-coded patterns in 3D shape measurement were discussed and the developing trends of this technique was pointed out as well.

张启灿, 吴周杰. 基于格雷码图案投影的结构光三维成像技术[J]. 红外与激光工程, 2020, 49(3): 0303004. Qican Zhang, Zhoujie Wu. Three-dimensional imaging technique based on Gray-coded structured illumination[J]. Infrared and Laser Engineering, 2020, 49(3): 0303004.

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