IP HD CMOS sensor is the mainstream technology trends

IP HD CMOS sensor is the mainstream technology trends
HD IP Camera with CMOS sensor and application of technology to enhance increased , HD IP Camera will be more approachable price , HD IP Camera will gradually replace analog and SD cameras households.
HD IP Camera one of the core components of the sensor , the second is Soc processing chip. CMOS sensor The main problem is how to continue to improve low-light , wide dynamic effects , Soc processing chip main problem is how to continue to increase processing capacity , providing higher, faster , better information .
IP Network HD high definition cameras advantages , ease of use , not overlooked , etc., is the mainstream trend products ; disadvantage is the price is still high , the product has not yet fully spread, market acceptance of the inherent need to continue to improve .
HD-SDI HD Camcorder advantage of uncompressed , real-time transmission , enclosed safety and other aspects ; disadvantage is the high cost of wiring trouble, vulnerable to interference , transmission distance is limited , but the transitional product .
Currently , HD IP Camera proportion is not great, there is much room for development , prospects are very promising , the specific share of bad estimates.
HD HD-SDI and network will exist within a certain time . HD-SDI network HD due to technological developments than a couple of years later , facilities can not keep up , the price will be high cost . However, due to the continuation of the analog HD-SDI monitor the conventional thinking , from a user perspective, acceptance is relatively high. The Network camera with the construction of large projects around , Security Exhibition on the popularity of network monitoring , have gradually been known users , and based on the actual application, network products compared to high-definition HD-SDI products also have certain advantages. However, the trend of the future must be a network HD , and the current network HD and HD-SDI HD both have their own market , and perhaps the future will be popular in the network while adding high-definition HD-SDI interface.
HD Network camera from 2010 is still in the marketing period , with the Shanghai World Expo and Guangzhou Asian Games , Safe City and other large projects on the network HD product applications , network HD past two years the market growth rate of 30 % or more. This also shows that the overall effect of the network definition and solutions have been accepted by users . And with HD technology gradually matured Network HD product illumination , the bandwidth problem has been well improved , the cost is a downward trend, it can be said , HD is gradually on the right track , analog to HD is an irreversible trend .
Network HD front advantage lies in its high-definition monitoring results , a simple and convenient system wiring obviates the cumbersome construction , through remote monitoring and manipulation has certain advantages. As for the choice of HD products in the network depends on the actual needs of the user , the estimated cost of the project , subject to different choices, but the minimum entry threshold is 720P monitoring results. In small projects can make use of the existing network , equipped with high-definition systems, relatively inexpensive relative choice ; monitoring in a large network , mainly taking into account the practicality front , scene selection , you also need a dedicated network , so security and reliability in order to get a certain guarantee that this definition of network products, integrated high performance requirements .
In a large high-definition video surveillance network , the video card frame transmission phenomenon appears inevitable . There are two reasons : First, the transmission cable quality problems ; Second, network data transmission technology itself flawed. Some contractors in order to save costs, without taking into account the cost of the cable to the entire video surveillance system impact to facilitate the weight . The cable multiple cascade , will also affect high-definition video transmission. HD products such as general network latency test results within 200ms , but the practical application latency was much higher , which is closely related to the cable . Current transmitted through the fiber is a good solution , the light transmission in the anti-jamming capability and transmission efficiency should be stronger than the network cable , high-definition video transmission ensures good stability . Network problems are often their own stuff phenomenon, which can not be avoided , in order to ensure the integrity of high-definition video , the current practice of most manufacturers is through the front of the video in real-time stored.
Relevant departments to increase the bandwidth requirements of domestic construction , and gradually realize FTTH, the current 2-3M bandwidth increased to an average of more than 10M . The carrier added and investment , on the development of FTTH has some impetus to the popularity of the network HD is a good news. For manufacturers, the use of advanced compression technology to the codec , the higher the compression ratio , taking up less bandwidth , plus the added value of intelligent front-end , a smart bit rate compression using dual-stream and multi-code streaming technology to reduce bandwidth transmission rate , our camera is used in multi-stream technology that can better adapt to different network environments.
Currently, many users believe that the traditional front-end HD Network camera with a large gap between the price of analog cameras , HD front too expensive. But in fact, from the whole of the starting solution , the network has the advantage of a relatively high cost . For example, 16 -channel analog surveillance system with 16-channel high-definition network video surveillance system solutions comparison: front-end monitoring probes, coaxial cable construction, back-end storage devices, display devices to set the desired cost and network HD program was essentially flat. In recent years the cost is reduced network HD , back-end storage solutions , application solutions and gradually improve , I believe that the cost will no longer be a constraint to the development of the main factors of network HD .
Intelligent video analysis is mainly front-end and back-end platform for smart camera video analysis technology , mainly in the massive piece of information retrieval , which requires a certain degree of optimization of the back-end platform . The current situation is the user feedback network HD storage capacity , video information retrieval is very complicated, ten thousand hours of video may be useful also ten minutes , the traditional art search is very troublesome . At present, some mainstream manufacturers approach is through the info key scenes , behavioral analysis to analyze retrieval , specifically face recognition , license plate search, behavioral analysis, intrusion prevention , anti- displacement and other items retrieved , reducing time video retrieval . However , this requires front-end and back-end Network camera can be achieved with the platform .
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