Dissertation
Dissertation > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Micro-computer > A variety of micro-computer > Microprocessor

Research and Implementation of the Techniques of Embedded Network Video Applications

Author ZuoYan
Tutor ShenSuBin
School Nanjing University of Posts and Telecommunications
Course Applied Computer Technology
Keywords Embedded Systems Asynchronous communication Application service interface Web services
CLC TP368.1
Type Master's thesis
Year 2012
Downloads 32
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With the development of Internet technology and multimedia applications , embedded system technology and Web application technologies embedded network video applications are becoming more common . Traditional Web application server is heavily loaded , the browser and server interaction difficulties , and due to resource constraints of embedded systems processing , Web-based embedded network video application technology worthy of further research and exploration . In order to solve the the traditional embedded Web application browser and server-side code reuse rate is low , the development of extended difficult problem , this paper introduces asynchronous communication technology , design and implementation of network communication mechanism for a CGI Ajax - based embedded network video application architecture ; , combined with video playback , PTZ interface , design and video configuration and PTZ control ; unequal communication for the browser and the server using asynchronous communication mechanism , combined with the timer technology , design and exception monitoring server ; in order to achieve network video application programmable function , proposed and implemented the extraction of the two solutions , service application interface so that it supports both the B / S and C / S mode hybrid calls and embedded systems , Web services customization . Network video application system functional testing , robustness testing , and performance testing , test results show that : the video configuration , PTZ control functions correctly, in line with user needs ; system of abnormal operation and network anomalies corresponding processing has certain robustness ; WAS and soapUI simulation of multi-user embedded server performance testing , the system response speed , no error occurred , indicating that the system performance to meet the user demand .

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