【摘要】 摄像机定标是提高双目立体视觉系统三维测量精度的关键之一,如何提高定标的精度对于提高整个系统的测量精度至关重要。本文在深入研究单目摄像机定标的基础上,利用一种基于双目立体视觉的三维测量系统定标模型,对摄像机定标给系统带来的误差进行了评价与分析。实验结果表明,在同一定标模型下,定标方式的选取对定标精度有较大影响。合理的进行定标可以有效地消除摄像机球面误差对测量精度的影响。更多还原

【Abstract】 The error of camera calibration is a great obstacle to improve the precision of three-dimensional measurement in binocular stereo vision system. And it is also important for the precision of system. In this paper, the error caused by calibration is evaluated and analyzed based on the study of monocular camera calibration. The experimental results showed that different methods affect the precision greatly with the same calibration model. The spherical error of camera decreases the precision of the measurement. It is verified that a proper calibration method can eliminate the impact caused by the spherical error of cameras.更多还原