一、引言在视频监控产品经历了模拟时代、数字时代、网络时代的发展,现在已经逐步进入了高清和智能时代。而高清产品的出现也大大提升了系统产品的应用价值,为视频监控带来更广阔的发展空间。随着高清化的发展,对网络视频监控系统在处理数据方面有了更高的要求。同时我们看到,在安防IT化的浪潮中,安防行业的发展趋势越来越 I. Introduction In the video surveillance products have experienced the analog era, the digital age, the development of the Internet era, and now has gradually entered the HD and smart era. The emergence of high-definition products also greatly enhance the value of the system products for video surveillance to bring a broader space for development. With the development of HD, the network video surveillance system has higher requirements in data processing. At the same time, we can see that in the wave of security and IT, security industry development trend is more and more