一、引言众所周知,视频监控系统在打击犯罪、破坏行为和恐怖主义活动中发挥了重要作用,特别是最近几年发生了一系列小学幼儿园暴力、集体越狱等事件之后,越来越多的行业、领域更加重视视频监控系统的运用,它能帮助人们监视关心区域的实时情况,预防犯罪和提供有价值的视频证据,解决不同行业、不同领域的安全防范问题。例如,智能小区安防系统把网络视频监控当作一种主动防范的工具,通过实时视频使小区的安全性有了显著提高。视频监控系统最重要的作用之一,就是作为破案的线索和证据,而目前的实际情况是,很多视频图像的清晰度达不到理想的要求。据统计,80%的监控录像由于图像不清晰而对破案没有帮助。比如“重庆哨兵被枪 I. INTRODUCTION As we all know, the video surveillance system has played an important role in the fight against crime, vandalism and terrorist activities. Especially after a series of incidents of kindergarten violence and collective jailbreak in recent years, more and more industries, The field places more emphasis on the use of video surveillance systems. It helps people monitor real-time situations in areas of concern, prevent crime and provide valuable video evidence to solve security issues in different industries and in different fields. For example, the intelligent community security system to network video surveillance as a proactive tool to prevent real-time video through cell security has been significantly improved. Video surveillance system, one of the most important role is to act as clues and evidence to solve the case, but the current reality is that many of the sharpness of video images do not meet the desired requirements. According to statistics, 80% of the surveillance video does not help to solve the problem because the image is not clear. For example ”Chongqing sentinel was shot