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Research and Design of Video Server Based on ARM

Author: ZhengGuoRong
Tutor: LiZhengXi；XiongChangZhen
School: North China University of
Course: Control Theory and Control Engineering
Keywords: USB Camera ARM Embedded video surveillance Streaming video server
CLC: TP393.05
Type: Master's thesis
Year: 2011
Downloads: 88
Quote: 2
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Abstract


Accompanied by the rise of the LSI technology , computer network technology , video image processing technology , and artificial intelligence disciplines , ARM-based embedded intelligent video server system research and design has become a new research direction of the video surveillance system , with higher the value of technology applications and theoretical research significance . For the current traditional video server system is the lack of support generic USB camera head driver as well as image processing module features enough efficient of the problem , this article introduce USB camera driver program on ARM transplant method and based on the V4L carried the image acquisition of programming method , combined with computer vision library (OpenCV) efficient algorithms in video servers to improve the image processing functions, and proposed an ARM-based embedded intelligent video server system application program . Proceed from the practical application of digital network video server as the object of study , as the core of the design and development of an embedded technology , based on the ARM9 core microprocessors and the Linux operating system , real-time streaming video server . The main work of the subject from two levels of the hardware and software design of embedded video server for the overall planning , moving target vehicle detection algorithm as an example to verify the feasibility and effectiveness of the system design . Universal USB camera digital video server system driver written mainly to complete hardware image processing module, the increase in the processing flow of the video streaming server software to complete a variety of intelligent image processing functions by experimental results prove that the system The design is reasonable , normal operation and stable performance . Embedded digital network video server of this technology in the field of intelligent transportation systems (Intelligent Transportation Systems, ITS) to explore and try to progress , making the design of this project not only traditional video collection and forwarding functions , and can complete the acquisition of the motor vehicle detection and traffic flow , speed and other traffic flow parameters , intelligent video server applications , rapid response and reasonable scheduling for intelligent transportation systems to provide accurate and complete information .

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