线阵相机标定方法综述

Review on Line-Scan Camera Calibration Methods

在基于相机的众多应用场合中,对相机内外参数与镜头畸变参数的标定是关键环节,确定其标定过程的简易操作及标定结果的精度至关重要。与面阵相机相比,线阵相机的标定过程较为复杂。介绍了适合线阵相机的成像几何模型和镜头畸变模型,总结了线阵相机标定的一般流程,归纳分析了文献中基于静态成像和动态扫描成像的标定方法,并对其特点作出了简要评价。

Calibration of the intrinsic and extrinsic parameters of a camera as well as the lens distortion parameters is a crucial step in many camera-based vision applications.Further,ensuring the simple operation of the calibration process and the accuracy of the calibration results is critical.The calibration process of the line-scan cameras is more complicated when compared with that of the area-scan cameras.Herein,the imaging geometric model and the lens distortion model,which are suitable in case of line-scan cameras,are described;subsequently,the general calibration procedure of the line-scan camera is summarized.Furthermore,the calibration methods that have been previously proposed in the literature based on static imaging and dynamic scanning imaging are classified and analyzed,and their characteristics are briefly reviewed.