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首页> 外文会议>Conference on Interferometry XI: Applications, Jul 10-11, 2002, Seattle, USA >Compact 3D-Camera
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Compact 3D-Camera

机译：紧凑型3D相机

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摘要

A new, miniaturized fringe projection system is presented which has a size and handling that approximates to common 2D cameras. The system is based on the fringe projection technique. A miniaturized fringe projector and camera are assembled into a housing of 21x20x11 cm size with a triangulation basis of 10 cm. The advantage of the small triangulation basis is the possibility to measure difficult objects with high gradients. Normally a small basis has the disadvantage of reduced sensitivity. We investigated in methods to compensate the reduced sensitivity via setup and enhanced evaluation methods. Special hardware issues are a high quality, bright light source (and components to handle the high luminous flux) as well as adapted optics to gain a large aperture angle and a focus scan unit to increase the usable measurement volume. Adaptable synthetic wavelengths and integration times were used to increase the measurement quality and allow robust measurements that are adaptable to the desired speed and accuracy. Algorithms were developed to generate automatic focus positions to completely cover extended measurement volumes. Principles, setup, measurement examples and applications are shown.
机译：提出了一种新的，小型的条纹投影系统，其尺寸和处理方式近似于普通的2D相机。该系统基于条纹投影技术。微型条纹投影仪和摄像机组装到21x20x11 cm大小的外壳中，其三角测量基础为10 cm。小三角剖分的优点是可以测量高梯度的困难物体。通常，较小的基数具有降低灵敏度的缺点。我们研究了通过设置和增强评估方法来补偿降低的灵敏度的方法。特殊的硬件问题是高质量，明亮的光源（以及用于处理高光通量的组件），以及用于获得大光圈角的自适应光学器件和用于增加可用测量体积的聚焦扫描单元。自适应的合成波长和积分时间用于提高测量质量，并允许进行鲁棒的测量，以适应​​所需的速度和精度。开发了算法以生成自动聚焦位置，以完全覆盖扩展的测量量。显示了原理，设置，测量示例和应用。

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