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Advantages And Challenges Coexist In HD Video Surveillance

New highs as the current high-definition video surveillance industry, emerging in the field of security monitoring 4K monitor slowly began to emerge because of its HD superiority, 4K technology for video viewing, retrieval, analysis and other applications to provide a more valuable high-resolution image material, so visual management more efficient, representing the development direction of the industry, will soon spread to the entire security industry, starting with 4K cameras. While 4K monitoring product line is still in its infancy, but with the development of technology and user experience, has now led to the development of the security industry 4K related equipment and other products, such as the back-end display devices, decoders, controllers, cloud storage, network DVR and so on. Insiders said, 4K is a full-system engineering, from the front of the network camera, network transmission to the rear end of the decoding, storage and display, require supporting 4K products must meet the requirements of every aspect of 4K in order to bring the ultra-4k HD effect perfectly presented. Now the entire security system, front-end monitoring, back-end storage and display terminals have launched 4K related products. Security industry is a typical large data industry, along with the wave of HD and even 4K, ultra-high definition monitor, resulting in a more massive video data, according to statistics, is expected to HD network camera shipments in 2015 will reach 54.54 million units. Only the amount of data each day on video surveillance video of thousands of PB, the accumulated historical data will be more substantial. HD security industry at the front after the intelligence, the next round of the demand will come from the back-end technology and platform. Big data and cloud computing research and development capabilities of the back-end, higher demands, such as mass data storage, query, load balancing node backup disaster recovery, etc. are urgent problems. In high-definition video surveillance and a large network, driven by video surveillance system data into the blowout of the times, the demand for data storage and data analysis is very prominent. Cloud storage is a data storage and management as the core of cloud computing systems, high-definition video surveillance storage cloud appeared, breaking the traditional storage model to store work to bring bondage. HD video surveillance applications in the peaceful city of more and more users are willing and like high-definition video surveillance, HD brings ultra-high-definition, wide scene gives a great visual impact. SD HD monitor gradually replace today's peace monitoring has become an irreversible trend in urban construction. HD network camera not only can give users a clearer image details, but also to bring the system more intelligent analysis of data sources, greatly enriched the re-use of monitoring data further development for people to use the monitoring system has brought great convenience. HD video surveillance, is a step change people's lives. HD network camera is rapid development, from the clarity of speaking, from 1.0 megapixels, to 2.0MP to 5.0MP and so have many of the products used in the market; from the market share for high-definition programs has been the increasing popularity of high-definition market share of traditional monitoring areas has gradually increased, according to authoritative international electronics industry research firm IMS released report shows that over the next five years, the market share of high-definition surveillance products will go beyond the traditional SD monitoring products . Hinder the development of monitoring platform variety of reasons, such as lack of industry standards, the transmission of broadband, video store, etc.how to break the bottleneck of the development is a concern. The first is a standardized docking, most of the front-end equipment manufacturers in the security industry standard protocols and interfaces are inconsistent, platform software developers need to communicate with these long-term rolling upgrade equipment manufacturers to ensure the smooth device access, which virtually increase the platform development technical difficulty and cost of development, resulting in the popularity of the platform software applications more difficult. With the GB / T28181 standards mandatory, SIP signaling communications technology has become the main common protocol security monitoring platform, it can guarantee interoperability communications network. Second, to solve the limitation of the transmission bandwidth, the greater the resolution, ultra-high definition, when the means of transmission of data stream also increases, increasing the pressure on network bandwidth. The use of fiber optic transmission to meet the bandwidth, but the high cost of the comprehensive construction of optical fiber transmission, it is impossible in a large range of all use of fiber optic transmission. To achieve true high-definition monitor, must capture video source encoded video signal compression, transmission of video signals, playback video browsing, video file link full support for HD. Such technical requirements for the entire system is very high. And the centralized control and management software for the standard is relatively increased. On the road monitoring, airports, ports, financial institutions, large buildings and other key security sector, the need to consider video surveillance, access control and burglar alarm system of unified management, to achieve integrated linkage of the entire system. Build a comprehensive integration platform usually two modes, one is directly integrated platform software subsystems in the device access layer, which requires specially developed for other security equipment, business functions in an integrated platform. The other is the internal business functions of each subsystem by dedicated software implementation, cross-system business logic was implemented by the upper platform software, each individual subsystem can play their good advantage, while the integrated platform also has a good post synergy. Either way, all of the integrated docking devices and platforms, software and platforms proposed standardization requirements. Finally, there is the price and cost issues, various aspects of technology and hardware costs are increased a lot, for the popularity of high-definition, no doubt, is a huge resistance.


Original article published on amazines.com

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