A fast 3D reconstruction system with a low-cost camera accessory.

A fast 3D reconstruction system with a low-cost camera accessory.
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DOI:
10.1038/srep10909
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发表时间:
2015-06-09
期刊:
影响因子:
4.6
通讯作者:
Edgar MP
Edgar MP
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Zhang Y;Gibson GM;Hay R;Bowman RW;Padgett MJ;Edgar MP

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光度立体是一种三维(3D)成像技术,它使用从固定摄像机角度获得的多个2D图像,具有不同的照明方向。与其他3D成像方法(如几何建模和3D扫描)相比,它具有许多优点,例如具有简单高效的重建程序。在这项工作中,我们描述了一种低成本的配件,用于商业数字单镜头反射(DSLR)相机系统,允许使用光度立体快速重建3D物体。该配件由四个固定在商用数码单反相机镜头上的白色LED灯和一个USB可编程控制器组成,用于顺序控制照明。针对不同几何复杂度的不同物体,导出了三维图像,并给出了结果,表明对于50毫米大小的物体,典型的高度误差小于3毫米。
Photometric stereo is a three dimensional (3D) imaging technique that uses multiple 2D images, obtained from a fixed camera perspective, with different illumination directions. Compared to other 3D imaging methods such as geometry modeling and 3D-scanning, it comes with a number of advantages, such as having a simple and efficient reconstruction routine. In this work, we describe a low-cost accessory to a commercial digital single-lens reflex (DSLR) camera system allowing fast reconstruction of 3D objects using photometric stereo. The accessory consists of four white LED lights fixed to the lens of a commercial DSLR camera and a USB programmable controller board to sequentially control the illumination. 3D images are derived for different objects with varying geometric complexity and results are presented, showing a typical height error of <3 mm for a 50 mm sized object.
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