Normalized to choice IP Camera

Normalized to choice IP Camera
With the monitoring system from analog to digital , from closed towards network , based on open standards to meet the needs of interoperability between devices, systems increasingly urgent. And in the Internet age , engaged in the construction of open standards , to provide users also have the flexibility and scalability of security systems, security companies have been competing to become the local market , globalization choice. As important products of network monitoring , standardization of the road megapixels network camera have become a necessity .
Following ONVIF, PSIA have been established , HDcctv Alliance also set up to form the current three standard network video surveillance market . Establishment of these organizations are promoting the realization of hope in the Internet age surveillance standard unified vision. For example ONVIF, hope that through a global open interface standards to promote network video applications in the security market , the interface standard will ensure that different manufacturers of network video products with interoperability. Founded in August 2008 of the PSIA interoperability physical security alliance , the goal is for the physical security of hardware and software platforms for the creation of a standardized system interfaces , so that the different security systems based on IP network compatibility . The HDcctv Alliance (HDcctvAlliance) was jointly established by the major chip manufacturers and system suppliers , mainly for high-definition surveillance system (HighDefinitionSurveillanceSystems) developed a new standard to look through the new standards , development easier to build , lower cost network solution.
Intelligent inevitable trend
Because intelligence is the inevitable trend of the development of digital networks , advance warning so as to achieve real safety. The network cameras will be an ideal platform for hosting intelligent technologies , especially adding intelligent algorithms and objects abnormalities software , network camera will become an important development of intelligent network camera direction .
Overall, a simple intelligent analysis , including motion detection, tampering , etc. ( These features are present in a wide range of applications). More complex intelligent behavior analysis includes identification and analysis , such as face recognition, packet loss , alert and so on. Intelligence analysis in previous years had been very "hot " in the variety show many manufacturers are urgently launched related products , including network cameras with intelligent analysis functions. However, due to the complexity of the actual use of the environment , coupled with the algorithm itself is not very mature, and adaptability is not strong , resulting in a lot of false alarm . On the other hand the high customer expectations , but in actual use smart products of poor performance is often difficult to meet the actual needs of customers, and high maintenance costs , often makes these devices become a decoration.
There is no doubt , however , intelligence is an inevitable trend , with the increase in the number of surveillance Imagine dozens, hundreds or even thousands of road way video , 24 hours a day by human eyes staring , unrealistic impossible. How to quickly extract data from a mass of useful information for the user, which is very effective , but also customers eager to be solved, which will also become one of the current and future market competition point network camera products .
Because IP camera offer more megapixels key details , which can make a video-based intelligence analysis for greater accuracy , greatly enhance the level of intelligence applications . Its rapid growth in some market segments, such as transportation , related product development and application of intelligent relatively mature , such as road condition analysis , vehicle statistics, license plate recognition, retrograde , press the yellow line , parking violations , including monitoring traffic conditions , as well as violations of capture , have been widely used.
Further reading: user choose carefully investigated
Illumination investigation : the initial stage of digital high-definition era, many users just touch HD , often focus toward clarity , but it is easy to overlook the illumination of inspection. In fact , the incident is often carried out at night or in the dark , without a good light sensitivity , and their use will be extremely limited.
Network performance and latency visits : Once high-definition network camera , stream will increase, how to achieve a stable stream network transmission of large reliable ? How do short delay real good ? If you have hundreds of thousands of high-definition network monitoring road , is more a test of the core code and network performance cameras.
Stability study : emphasis on the IP camera development time , application time on the market .
Color reproduction study : HD R & D manufacturers to bring up the camera image may not be difficult , but to bring up the color reproduction is good, very realistic image is not easy. No white balance or white balance do not, in fluorescent or natural light cameras may not be exposed to the problem .
Stream study : IP camera selection in the testing process , the same code to shed , more IP network camera picture quality, especially in the evening to test their effect under low stream , many cameras will be mosaic, ghosting, drag tail phenomenon . The stream is too large, the cost of the entire project cost has improved a lot , hard drives, network switches, network cable .
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