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首页> 外文期刊>IEEE Transactions on Robotics >Automatic Camera-Based Microscope Calibration for a Telemicromanipulation System Using a Virtual Pattern
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Automatic Camera-Based Microscope Calibration for a Telemicromanipulation System Using a Virtual Pattern

机译：基于虚拟模式的远程显微操作系统的基于相机的显微镜自动校准

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摘要

In the context of virtualized-reality-based telemicromanipulation, this paper presents a visual calibration technique for an optical microscope coupled to a charge-coupled device (CCD) camera. The accuracy and flexibility of the proposed automatic virtual calibration method, based on parallel single-plane properties, are outlined. In contrast to standard approaches, a 3-D virtual calibration pattern is constructed using the micromanipulator tip with subpixel-order localization in the image frame. The proposed procedure leads to a linear system whose solution provides directly both the intrinsic and extrinsic parameters of the geometrical model. Computer simulations and real data have been used to test the proposed technique, and promising results have been obtained. Based on the proposed calibration techniques, a 3-D virtual microenvironment of the workspace is reconstructed through the real-time imaging of two perpendicular optical microscopes. Our method provides a flexible, easy-to-use technical alternative to the classical techniques used in micromanipulation systems.
机译：在基于虚拟现实的远距显微操作的背景下，本文提出了一种用于与电荷耦合器件（CCD）相机耦合的光学显微镜的视觉校准技术。概述了基于并行单平面特性的拟议自动虚拟校准方法的准确性和灵活性。与标准方法相反，使用显微操纵器尖端构造3D虚拟校准图案，并在图像帧中进行亚像素顺序定位。所提出的过程导致了一个线性系统，其解直接提供了几何模型的内在和外在参数。计算机仿真和实际数据已被用来测试该技术，并获得了可喜的结果。基于提出的校准技术，通过两个垂直光学显微镜的实时成像重建了工作空间的3-D虚拟微环境。我们的方法为显微操作系统中使用的经典技术提供了一种灵活，易于使用的技术替代方案。

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