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

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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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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

CLC Number: 

  • U121

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