Various stages of development of the monitoring system

With the development of security systems, video surveillance systems have evolved from the generation of analog system VCRs to the second generation of partially digitized system DVRs to the third generation of fully digital systems, network cameras and video servers.
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Correspondingly, the development of video surveillance technology has experienced the generation of analog video surveillance system CCTV second generation PC-based multimedia card digital video surveillance system DVR third generation completely IP-based video surveillance system IPVS.
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1 Before 2005, in the era of analog surveillance, most of the manufacturers were mainly engaged in low-end product research and development, and the domestic security market gradually began to release;
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2 2005 In the era of digital surveillance, digital devices gradually replaced analog devices, and the domestic market was accelerated. At present, most of the leading enterprises started in around 2001. The technology accumulation started from the core algorithm and architecture of the back-end digital equipment. The relative products and late-stage technology advantages helped the company to grow rapidly. Dahua shares were listed in 2008, and Hikvision as a state-owned enterprise. , also completed in 2010;
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3 2009-present, for the era of IP network monitoring, the shipments of network monitoring equipment and high-definition cameras continue to increase, product iterations accelerate the release of the market, the penetration rate of high-definition cameras is increasing year by year, and the application of the industry to the stage of focusing on structural efficiency, large manufacturers Strengthen the layout of the solution, gradually form a complete industrial solution layout, step into the rapid growth period, the industry integration is intensified, and the market share tends to be concentrated.

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