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1前言随着近几年来安防领域科学技术的不断发展以及平安城市视频监控工程的推广,高清视频监控系统的产品日趋完善,并被大量地应用到安防视频监控系统工程中,高清视频监控这个概念已经被越来越多的用户和厂商认可,高清所带来的超高画质、超宽场景给人以极大的视觉震撼。单从清晰度来说,标清摄像机已经接近极限,在短时间内也没有提升的空间;而高清摄像机在清晰度方面可以说正
1 Introduction With the continuous development of science and technology in the field of security in recent years as well as the promotion of Ping An Urban Video Surveillance Project, the products of HD Video Surveillance System have been perfected gradually and are widely applied to the project of security video surveillance system. The concept of HD Video Surveillance Has been more and more users and manufacturers recognized high-definition brings ultra-high quality, wide scene gives a great visual shock. Just from the clarity, SD cameras are close to the limit, there is no room for improvement in a short time; and HD cameras can be said in terms of clarity