基于嵌入式多核DSP的加速软件系统  

Accelerated Software System Based on Embedded Multicore DSP

作　　者：蔡玉鑫 汤志伟[1] 赵博[1] 杨明[1] 吴禹非 CAI Yu-xin;TANG Zhi-wei;ZHAO Bo;YANG Ming;WU Yu-fei(The Third Research Institutute of Ministry of Public Security,Shanghai 200000,China)

机构地区：[1]公安部第三研究所,上海200000

出　　处：《计算机科学》2020年第S01期622-625,共4页Computer Science

基　　金：国家重点研发计划项目(2017YFC0821603)。

摘　　要：近几年,随着智能视频监控的高速发展,对各类视频采集设备产生的视频数据处理成为公安行业的一项重要工作,而目前视频数据处理大多采用后端服务器模式,该模式对视频传输的带宽要求较高,且存在后端服务器资源不足等问题,为此,文中提出利用嵌入式多核加速板卡代替服务器完成部分任务的方案,将耗费服务器资源的各类图像处理算法从后端服务器中剥离,放入前端嵌入式加速板卡中计算,从一定程度上节省了服务器资源,提高了服务器工作效率。最后,文中对方案进行测试,结果发现,利用嵌入式多核加速板卡对分辨率不低于200万像素的图片进行目标检测,平均每张图片的处理能力不低于200 ms,24小时内处理能力达130万多张,由此可见,采用多核嵌入式板卡代替服务器完成图像处理方案有一定的可行性。In recent years,with the rapid development of intelligent video surveillance,the processing video data generated by various video capture devices has become an important task in the public security industry.At present,most video data processing adopts the back-end server mode,which has a high requirement for bandwidth of video transmission and has problems such as insufficient back-end server resources.For this reason,this paper proposes to use the embedded multi-core acceleration board instead of the server to complete part of the task,and various image processing algorithms that consume server resources are stripped from the backend server,and they are put into the front-end embedded acceleration board to calculate,to a certain extent,it can save server resources and improve server efficiency.Finally,the scheme is tested in this paper.The target multi-core acceleration board is used to detect the target with a resolution of at least 2million pixels.The test result shows that the average processing power of each image is not less than 200ms,and it can process more than 1.3million pictures within 24hours.It can be seen that it is feasible to use a multi-core embedded board instead of a server to complete the image processing solution.

关 键 词：视频监控 图像处理 嵌入式多核 加速板卡 目标检测 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]