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With the development of Internet technology, IP-based video surveillance were more accepted by people, network cameras compressed video information via TCP / IP protocol, using streaming media technology to achieve multiplexing transmission of video on the Internet, has authorized Users can access the Internet, the command of the entire monitoring system, scheduling, storage, authorization control and other functions. In view of the IPv6 improvement in the quality of service, network performance, security, and so have increased an IP-based video surveillance will be the mainstream. Network HD now occupy the dominant position of the video surveillance industry, and in theory, any analog cameras, including fixed cameras, dome cameras with PTZ cameras are integrated into the video server network video system, analog cameras and equivalent to a combination of video server network camera, many manufacturers produce the integration of IP camera. Many people think networking is the premise of security for high-definition, after all, broke out in 2010, high-definition monitor HD ip camera, HD-SDI solutions to the industry to provide another option, but it is still difficult to shake HD network dominance. China's security industry has ushered in a period of rapid development with the promotion of the "Green City", unlike in the past, known for high-definition surveillance cameras to be clearly seen in high-definition performance is no longer the embellishment of the security market experience three years of development, tasted the advantages of high-definition monitor contractors in the project, the large scale introduction of high-definition monitor, especially government construction projects. Obviously, in the practical application of high-definition monitor has brought me a lot of benefits, the first high-definition surveillance system provides clearer images and more details. The best available analog cameras are more than 600 lines of products. 650 lines, 600 lines of products, the performance of wide dynamic function should be good, but the problem with it is not clear enough detail. In the application effect, high-definition network camera can cover a wide range, such as the people inside look at the banking hall, which has more than the SD cameras monitoring distance. In the transport sector, through the use of a 720P HD ip camera monitor four lanes, each lane on the license plate can be seen very clearly. The same traffic monitoring, from SD to HD major changes in two aspects: First, the original not see the details see rightly; comprehensive cost reduction. HD decisive advantage of being able to help the user to solve practical problems, so the user is recognized, and are willing to invest. Second, from the point of view of the whole industry to see, but also to promote the development of high-definition monitor the development of other related technologies: The first is the development of CMOS technology, CMOS volume, product development, low cost, low power consumption, this IP camera product of very favorable, a more comprehensive and systematic product can be introduced through the use of CMOS; followed H.264, high-definition, become large amount of information, which requires that the system is efficient, H.264 efficient encoding balanced HD arising in a certain extent, a large amount of information; the then Intelligence technology to do face analysis in SD times, people want to face very clearly demonstrated is very difficult in the pixels of only a few dozen , but in HD megapixels images and more precise information, which is very conducive to the realization of intelligent analysis technology. HD itself has a better platform and processing power, the system itself has sufficient resources to support the intelligent video analysis. Finally, the HD is a standard for the healthy and orderly development of the whole industry, this standard makes it easy to agree with HD, and promote the development of high-definition monitor. After a slow development process from analog to network, but the development of high-definition monitor has to a substantial period of rapid development.
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network camera, HD ip camera, video surveillance,
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