吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (04): 866-870.doi: 10.7964/jdxbgxb201304004

• 论文 • 上一篇    下一篇

基于智能相机的混合交通流检测方法

魏巍1, 李志慧1, 赵永华2, 曲昭伟1, 江晟1, 柴婷婷1   

  1. 1. 吉林大学 交通学院, 长春 130022;
    2. 吉林大学 计算机公共教学中心,长春 130022
  • 收稿日期:2012-11-26 出版日期:2013-07-01 发布日期:2013-07-01
  • 通讯作者: 赵永华(1979-),女,讲师,博士.研究方向:车辆安全,视频检测.E-mail:zhaoyonghua@jlu.edu.cn E-mail:zhaoyonghua@jlu.edu.cn
  • 作者简介:魏巍(1978-),男,工程师,博士研究生.研究方向:交通视频检测.E-mail:weiwei@jlu.edu.cn
  • 基金资助:

    国家自然科学基金项目(50808092);中国博士后科学基金第三批特别资助项目(201003535);第四十六批中国博士后科学基金面上项目(20090461035);中央高校基本科研业务费项目(201103149);吉林省科技发展计划项目(20080432);吉林省"春苗"人才计划项目.

Developing a smart camera for mixed traffic flow detection

WEI Wei1, LI Zhi-hui1, ZHAO Yong-hua2, QU Zhao-wei1, JIANG Sheng1, CHAI Ting-ting1   

  1. 1. College of Transportation, Jilin University, Changchun 130022,China;
    2. Center of Computer Teaching and Research, Jilin University, Changchun 130022,China
  • Received:2012-11-26 Online:2013-07-01 Published:2013-07-01

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摘要：

针对目前缺乏混合交通视频智能检测设备的问题,利用CCD传感器与DSP芯片构建了智能相机框架体系和硬件原型系统,采用背景初始化、背景模型与前景获取、物体分割、特征提取、多目标识别分类、摄像机参数标定等视频图像处理技术,构建了混合交通流检测软件方法体系,开发了相应的嵌入式算法系统,实现了混合交通流参数检测。在不同交通状态下的测试结果反映了该系统具有良好的性能,可实现混合交通流参数检测。本方法可为混合交通流智能相机的研发提供借鉴和参考。

关键词: 交通运输系统工程, 视频检测, 混合交通流, 智能相机

Abstract:

Smart cameras in detection of mixed traffic flow parameters are in shortage. This creates a huge load of communication between the cameras and monitoring center. To solve this problem, this paper proposes a method of hardware and software codesign and implementation of a smart camera platform to detect mixed traffic flow parameters. Charge-coupled Device (CCD) camera sensor and Digital Signal Processor (DSP) are used to construct the camera hardware prototype. The video processing methods including background initialization, background model, foreground obtaining, image segmentation, pattern extraction, multi-classification etc. are used to construct the software system. Experiments were conducted under different mixed traffic conditions to test the camera system. Results show that this system can accurately obtain mixed traffic flow parameters. This study provides a reference for the development of smart camera system for mixed traffic detection.

Key words: engineering of communication and transportation system, video detection, mixed traffic flow, smart camera

中图分类号: 

  • U121

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