›› 2011, Vol. 24 ›› Issue (7): 80-.

• 论文 • 上一篇    下一篇

基于摄像机标定的车辆速度检测方法

李鹏   

  1. (西安电子科技大学 计算机学院,陕西 西安 710071)
  • 出版日期:2011-07-15 发布日期:2011-08-16
  • 作者简介:李鹏(1976—),男,硕士研究生。研究方向:机器视觉,图像处理。

Method for Vehicle Speed Detection Based on Camera Calibration

 LI Peng   

  1. (School of Computer Science,Xidian University,Xi'an 710071,China)
  • Online:2011-07-15 Published:2011-08-16

摘要:

分析了摄像机标定技术的原理以及常用摄像机标定方法,针对高速公路的实际情况以及应用需求,提出了基于平面单应性矩阵的摄像机标定算法,通过摄像机标定对检测区域进行网格划分,从而进行车辆速度的检测。经实验测试,该方法易于实现,且具有较高的检测精度,平均测速准确率达90%以上。

关键词: 摄像机标定, 车速检测, 视频检测, 交通流参数

Abstract:

The paper focuses on camera calibration and analyzes the principles and common methods of camera calibration for the actual situation as well as application requirement of highway,and the use of homographic matrix-based camera calibration algorithm.The camera calibration mesh region will detect the vehicle in speed detection.The results show that this method is easy to implement with high detection accuracy,and the vehicle average speed accuracy is over 90%.

Key words: camera calibration;traffic speed measurement;video detection;traffic flow parameters

中图分类号: 

  • TN948.41