[ Huaqiang Security Network News ] The two core technologies of digital surveillance systems are image compression storage technology and network transmission technology. From the current point of view, digital surveillance products have gradually matured, and the back-end network transmission is also on the rise. Given the many ways in which network-based transmissions are now available, this article will explore in detail how to use existing networks to plan digital surveillance projects. 
Generally speaking, the digital monitoring system refers to the digital image compression processing technology of the four parts of the input, control, display and storage of the monitoring system. Another feature is digitally processed images that can be used to transmit live images to remote monitoring centers using existing network technologies. It can be said that the two core technologies of the digital monitoring system are image compression storage technology and network transmission technology. The application of these two technologies in the monitoring system is the development process of digital monitoring.
I. From traditional monitoring to digital network monitoring The development of network video surveillance in China has gone through three stages. The closed-circuit video surveillance system evolved from security products in the early days is China's first generation of analog video surveillance system. In the mid-1990s, the emergence of a PC-based video surveillance system, despite the initial digitalization, made this second generation due to technical inadequacy such as image quality, stability, and remote transmission monitoring. Video surveillance systems are still only used as security products for daily monitoring in certain industries. Until the end of the 1990s, with the maturity of computers, networks, and communication technologies, various practical video technologies continued to improve, relying on embedded technologies, using network and communication technologies as platforms, and featuring intelligent image analysis. The network video surveillance system fundamentally made video surveillance go from behind the scenes to the foreground.
Compared with traditional video surveillance, network video surveillance is more convenient for computers to automate the processing of video information compression, storage, analysis, display and alarms, thus achieving unattended operation; remote monitoring through network platforms, even thousands The effect of visiting the scene can also be achieved in an extra-kilometer; the advanced software system can not only complete a large amount of data analysis in traditional video surveillance in a few minutes, improve the monitoring efficiency, and obtain more realistic and clear digital image quality and More convenient and practical monitoring management and maintenance. In short, network video surveillance is a combination of high-tech integrated software such as computer, network, communication and video codec. Therefore, it puts forward higher requirements for the comprehensive technology and overall quality of products in research and development and promotion.
Second, the network that can be planned for digital network monitoring With the continuous development of technology, the network image application based on broadband technology has been gradually promoted and used in network video surveillance, making electronic monitoring not only limited to security, but has become a kind of More effective monitoring methods and management resources for all walks of life. The flexibility of its application areas and applications has also far exceeded the scope defined by traditional security monitoring.
The booming Internet applications, the gradual evolution of image compression coding and streaming media technology, and the significant increase in system processing capabilities have made digital information technology a leading technology tool to promote network image applications, reduce product costs, and increase flexibility. Sex, scalability and other aspects provide a strong technical drive. Benefiting from these technological breakthroughs, the application of the network image business has been greatly expanded, and it is gradually entering many emerging industry markets that have great demand for network image services. Applicable to image monitoring services in telecommunications, public safety, power, transportation, railway, finance, hydrology, large companies and many other industries.
The network video surveillance system can be planned based on the local area network and the wide area network. However, because the local area network is limited by distance, it is not suitable for users with remote monitoring requirements. For some industries, such as railways and military, users who have private networks can also be in their networks. Planning a video surveillance system, but its limitations are tightly monitored within its network. At present, major operators in China have begun to build network video surveillance platforms, such as Netcom's wide-vision project and Telecom's global eye project. The construction of this platform will enable industry users and public users to realize remote video surveillance.
I. From traditional monitoring to digital network monitoring The development of network video surveillance in China has gone through three stages. The closed-circuit video surveillance system evolved from security products in the early days is China's first generation of analog video surveillance system. In the mid-1990s, the emergence of a PC-based video surveillance system, despite the initial digitalization, made this second generation due to technical inadequacy such as image quality, stability, and remote transmission monitoring. Video surveillance systems are still only used as security products for daily monitoring in certain industries. Until the end of the 1990s, with the maturity of computers, networks, and communication technologies, various practical video technologies continued to improve, relying on embedded technologies, using network and communication technologies as platforms, and featuring intelligent image analysis. The network video surveillance system fundamentally made video surveillance go from behind the scenes to the foreground.
Compared with traditional video surveillance, network video surveillance is more convenient for computers to automate the processing of video information compression, storage, analysis, display and alarms, thus achieving unattended operation; remote monitoring through network platforms, even thousands The effect of visiting the scene can also be achieved in an extra-kilometer; the advanced software system can not only complete a large amount of data analysis in traditional video surveillance in a few minutes, improve the monitoring efficiency, and obtain more realistic and clear digital image quality and More convenient and practical monitoring management and maintenance. In short, network video surveillance is a combination of high-tech integrated software such as computer, network, communication and video codec. Therefore, it puts forward higher requirements for the comprehensive technology and overall quality of products in research and development and promotion.
Second, the network that can be planned for digital network monitoring With the continuous development of technology, the network image application based on broadband technology has been gradually promoted and used in network video surveillance, making electronic monitoring not only limited to security, but has become a kind of More effective monitoring methods and management resources for all walks of life. The flexibility of its application areas and applications has also far exceeded the scope defined by traditional security monitoring.
The booming Internet applications, the gradual evolution of image compression coding and streaming media technology, and the significant increase in system processing capabilities have made digital information technology a leading technology tool to promote network image applications, reduce product costs, and increase flexibility. Sex, scalability and other aspects provide a strong technical drive. Benefiting from these technological breakthroughs, the application of the network image business has been greatly expanded, and it is gradually entering many emerging industry markets that have great demand for network image services. Applicable to image monitoring services in telecommunications, public safety, power, transportation, railway, finance, hydrology, large companies and many other industries.
The network video surveillance system can be planned based on the local area network and the wide area network. However, because the local area network is limited by distance, it is not suitable for users with remote monitoring requirements. For some industries, such as railways and military, users who have private networks can also be in their networks. Planning a video surveillance system, but its limitations are tightly monitored within its network. At present, major operators in China have begun to build network video surveillance platforms, such as Netcom's wide-vision project and Telecom's global eye project. The construction of this platform will enable industry users and public users to realize remote video surveillance.
With the development of food culture, from simple cooking tools, gradually evolved into both use and artistic value of household articles.The classification and function of kitchen knives are more and more detailed, from the era of a Kitchen Knife fighting the world, developed into today's special combination of knives.We can provide customers all over the world with the best quality bread knives,also we can customize different bread knives according to the living habits of different countries.
Bread Cutting Knife,Bread Knife,Wusthof Bread Knife,Bread Slicing Knife
HONG TAO KITCHEN INDUSTRY CO.,LTD , https://www.htkitchenware.com