Kinect传感器的彩色和深度相机标定

被引：26

作者：

郭连朋

陈向宁

刘彬

机构：

[1] 装备学院

来源：

中国图象图形学报 | 2014年 / 11期

关键词：

视差图像; Kinect传感器; 畸变校正; 相机标定;

D O I：

暂无

中图分类号：

TP391.41 []; TP212 [发送器（变换器）、传感器];

学科分类号：

080203 ; 080202 ;

摘要：

目的针对现有的Kinect传感器中彩色相机和深度相机标定尤其是深度相机标定精度差、效率低的现状,本文在现有的基于彩色图像和视差图像标定算法的基础上,提出一种快速、精确的改进算法。方法用张正友标定法标定彩色相机,用泰勒公式化简深度相机中用于修正视差值的空间偏移量以简化由视差与深度的几何关系构建的视差畸变模型,并以该模型完成Kinect传感器的标定。结果通过拍摄固定于标定平板上的标定棋盘在不同姿态下的彩色图像和视差图像,完成Kinect传感器的标定,获得彩色相机和深度相机的畸变参数及两相机之间的旋转和平移矩阵,标定时间为116 s,得到彩色相机的重投影误差为0.33,深度相机的重投影误差为0.798。结论实验结果表明,该改进方法在保证标定精度的前提下,优化了求解过程,有效提高了标定效率。

引用

页码：1584 / 1590

页数：7

共 11 条

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