1. Simulation monitoring system. The platform software and video collection cards are deployed together to achieve the preview, storage and release of simulated images. The scale and image clarity of the management at this stage are limited, and remote access cannot be provided.

　　Second, digital monitoring system. The integrated embedded and embedded of the video collection card, the emergence of various digital hard disk video recorders, compilation coders and other products, the security system enters the digital stage, the video storage duration, product stability have greatly improved, the function of video surveillance software functions The application has made great progress before, and at the same time, the prelude to network monitoring.

　　Third, network high -definition monitoring system. From the standard to HD, from high -definition to 4K, video surveillance is not satisfied with visible, and it is demanded to see clear; the scale of video surveillance has also developed from the original localized management to networked clustering. The video surveillance software at this stage basically has application media such as Web, Client, APP, and the application of various adaptation of network design has emerged.

　　Fourth, industry video surveillance system (current stage). After years of concept of video surveillance, the concept of consumption and production has basically reached a consensus. How to use video -related technologies to combine the characteristics of the user industry to achieve industrial integration and further expand the application field of video surveillance. At this stage, video surveillance software often combines specific industries, such as public security, transportation, justice, finance, etc. to provide vertical application experience.

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