基于直接光路测量的非均匀性物体表面轮廓重构

Surface Profile Reconstruction of Inhomogeneous Object Based on Direct Light Path Method

目前,三维重构技术已经成为机器视觉方面研究的热点。基于人们对于虚拟现实,增强现实技术的大量需求,为重构带有非均匀介质的透明目标的表面轮廓,提出一种基于直接光路测量的方法,该方法融合了能量成像法与光路三角法,并同时结合了能量信息与几何信息。与传统方法相比,大大提高了测量效率,且解决了使用单一方法造成的精度低的问题。所设计的测量系统对于内部具有涂层的平行平板的误差为0.3478mm,且能对更加复杂的目标——鱼形工艺品进行三维重构。实验结果表明,该测量系统简便易行,且精度较高。

At present,three dimensional reconstruction technologies has been a research hotspot in machine vision.Based on high demand for the virtual reality and augmented reality technology,in order to reconstruct the profile of inhomogeneous transparent object,in this paper,a method based on direct light path method is proposed,which combines the energy imaging method and light path triangle method,and at the same time combines energy information and geometry information.Compared with traditional method,the measurement efficiency greatly is improved and the problem of lower accuracy is solved by using one method.The designed measuring system has an error of 0.3478mm for the internally coated parallel plates,and it also can reconstruct the more complex target,for example the fish-shaped handicraft.The experiment results show that our system is simple,viable and has high accuracy.