基于FPGA的智能视频加速检索系统  

Intelligent Video Surveillance Systems Based on FPGA

作　　者：赵博 杨明[2] 汤志伟[2] 蔡玉鑫[2] ZHAO Bo;YANG Ming;TANG Zhi-wei;CAI Yu-xin(School of Communication and Information Engineering,Shanghai University,Shanghai 200444,China;The Third Research Institute of the Ministry of Public Security,Shanghai 201204,China)

机构地区：[1]上海大学通信与信息工程学院,上海200444 [2]公安部第三研究所,上海201204

出　　处：《计算机科学》2020年第S01期609-611,625,共4页Computer Science

基　　金：国家重点研发计划(2017YFC0806500)。

摘　　要：根据视频监控对处理、检索视频的准确性、速度以及功耗等新的需求,文中研究设计一套基于FPGA的智能视频检索系统,可同时实现视频预处理、人脸检测、智能背景去除、视频结构化描述等功能,并实现硬件加速的智能视频加速检索,以达到快速分析、处理监控视频,并迅速得到理想的处理结果的目的。该系统通过FPGA集成CPU(ARM9)、DDR、视频采集模块、各种外设(UART,GPIO等)可实现对实时视频的检测分析。对于1280*720分辨率的视频,所有时钟都采用的280MHz同步时钟,系统帧率大约为6.6 fps,和FPGA上结论一致,将该系统IP集成到SOC芯片中时,处理速度可达到30 fps。According to the video monitoring new requirements,this paper designed a set of intelligent video surveillance and retrieval system based on FPGA.The system can perform video preprocessing,face detection,intelligent background removal and video structural description simultaneously,and realize intelligent video acceleration retrieval relies on hardware acceleration,so that to achieve rapid analysis and processing of surveillance video,and quickly get the ideal processing results.By FPGA integration(ARM9)CPU,DDR,video acquisition module,a variety of peripherals(UART,GPIO,etc.),the system can realize the detection and analysis of real-time video.For videos with a resolution of 1280*720,280MHz synchronous clock is adopted,and the system frame rate is about 6.6fps.When these Intellectual Property cores are integrated into the SOC chip,the processing speed can reach 30fps.

关 键 词：FPGA 背景去除 人脸检测 结构化描述 视频检索 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]