Calibration of a Dual-PTZ-Camera System for Stereo Vision

被引：1

作者：

Chang, Yau-Zen ^{[1
]}

Hou, Jung-Fu ^{[1
]}

Tsao, Yi Hsiang ^{[1
]}

Lee, Shih-Tseng ^{[2
]}

机构：

[1] Chang Gung Univ, Dept Mech Eng, Tao Yuan 3302, Taiwan

[2] Chang Gung Mem Hosp, Med Aug Real R&D Ctr, Taoyuan 3305, Taiwan

来源：

APPLICATIONS OF DIGITAL IMAGE PROCESSING XXXIII | 2010年 / 7798卷

关键词：

PTZ camera; Stereo vision; Calibration; Imaging; 3D methods;

D O I：

10.1117/12.860331

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

In this paper, we propose a calibration process for the intrinsic and extrinsic parameters of dual-PTZ-camera systems. The calibration is based on a complete definition of six coordinate systems fixed at the image planes, and the pan and tilt rotation axes of the cameras. Misalignments between estimated and ideal coordinates of image corners are formed into cost values to be solved by the Nelder-Mead simplex optimization method. Experimental results show that the system is able to obtain 3D coordinates of objects with a consistent accuracy of 1 mm when the distance between the dual-PTZ-camera set and the objects are from 0.9 to 1.1 meters.

引用

页数：6

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