Linux及OK6410环境下视频监控系统设计与实现
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摘要
随着城市建设数字化、智慧化、管理远程化、生产异地化,安防和智能管理技术拥有越来越广阔的发展前景。针对监控产品技术升级需求,提出了一种以OK6410嵌入式ARM开发板为硬件平台,以Linux-3.6.0为软件平台的视频监控系统。描述了整个系统架构以及系统软硬件设计,重点介绍了V4L2视频框架设计以及CMOS摄像头实现图像捕捉的过程,并创新设计了循环链表缓冲池,明显缓解了输入输出同步问题,提高了程序健壮性。实际应用表明,该系统能较好地为多个用户同时提供实时视频服务,具有较高的稳定性和可扩展性,并拥有日志记录功能。
With the digitalization and wisdom of urban construction,remote management and remote production,security and intelligent management technologies have increasingly broad development prospects. At the same time,aiming at the huge demand for the manufacture and technology upgrade of related monitoring products,a video surveillance system with OK6410 embedded ARM development board as hardware platform and Linux-3.6.0 as software platform is proposed. This paper describes the overall system architecture and the design of hardware and software design,focusing on the V4L2 video frame design and the process of image capture for CMOS cameras,and the circular linked list buffer pool is innovatively designed,which significantly alleviates the problem of input and output synchronization and increases the robustness of the program. The practical application shows that the system can provide realtime video services for multiple user with high stability and scalability,and has a logging function.
With the digitalization and wisdom of urban construction,remote management and remote production,security and intelligent management technologies have increasingly broad development prospects. At the same time,aiming at the huge demand for the manufacture and technology upgrade of related monitoring products,a video surveillance system with OK6410 embedded ARM development board as hardware platform and Linux-3.6.0 as software platform is proposed. This paper describes the overall system architecture and the design of hardware and software design,focusing on the V4L2 video frame design and the process of image capture for CMOS cameras,and the circular linked list buffer pool is innovatively designed,which significantly alleviates the problem of input and output synchronization and increases the robustness of the program. The practical application shows that the system can provide realtime video services for multiple user with high stability and scalability,and has a logging function.
引文
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[2]马瑜晨,许全宜.基于模拟和数字技术相结合的视频监控系统[J].电子技术与软件工程,2018,63(6):62-63.
[3]RAJESH N,SAROJADEVI H.Emerging trends in video surveillance application[C].Proceedings of International Conference on Software and Computer Application,2011:125-128.
[4]钱晓东.摄像机监控的发展与应用[J].中国安防,2013(1):56-60.
[5]王若涵.网络视频监控系统现状与发展趋势研究[J].科技与创新,2018(1):79-80.
[6]薛树滨.基于嵌入式Linux的移动视频监控系统[D].济南:山东大学,2014.
[7]陶祥亚,仲兆满.IPv6环境下嵌入式视频监控系统设计与实验性研究[J].智能建筑与智慧城市,2017(4):44-48.
[8]王菲.嵌入式智能家居控制系统的设计[J].电子技术与软件工程,2017(16):193-194.
[9]郝俊,孟传良.基于V4L2的ARM11 USB视频采集终端的设计与实现[J].贵州大学学报:自然科学报,2011,28(4):74-78.
[10]刘科.基于C/S的局域网内远程控制系统的设计与实现[D].成都:电子科技大学,2015.
[11]ANTONY J,MATHURIA D S,DATTA T S,et al.Development of intelligent instruments with embedded HTTP servers for control and data acquisition in a cryogenic setup--the hardware,firmware,and software implementation[J].Review of Scientific Instruments,2015,86(12):131-132.
[12]WANG Y,PANG Z Y,WANG S,et al.Design and implementation of embedded wireless video monitoring system[J].Journal of Chongqing University of Technology,2015,29(4):67-72.
[13]刘磊.基于CMOS图像传感器的无线视频监控系统设计[D].上海:上海师范大学,2015.
[14]JIA Y.S3C6410(OK6410开发板介绍)[EB/OL].https://blog.csdn.net/qq_33265533/article/details/53048380
[15]PAN L,WANG W.Design of the remote video monitoring system platform[J].Ieri Procedia,2012,2(4):62-68.
[16]徐成杰.创建高效的多用户TCP服务器[J].计算机应用,2002,22(2):110-112.
[17]肇启龙.基于网络和H.264的视频监控系统设计[J].电子科技,2015,28(2):113-118.
[18]甄聪聪,赵磊.基于RTSP和H.264的嵌入式网络视频监控系统[J].科技信息,2014,10(1):121-128.
[19]吴宇佳,浦伟,周妍.Linux下多线程数据采集研究与实现[J].信息安全与通信保密,2012:90-94.
[20]ZHAO H,XIAO C,ZHUO L,et al.The design of embedded video system based BOA server[C].International Conference on Computer Science&Service System,2012:483-486.