IP Camera market : high-definition basic demands

IP Camera market : high-definition basic demands to accelerate the popularization illumination
From the current domestic market, surveillance cameras , IP HD camera sales continue to increase , analog cameras downward trend. At present, many cities , such as peace , peace villages , safe campus , bank monitoring bidding projects require IP HD cameras, resolution 1280 × 720 or more, and in many areas due to civilian surveillance IP high-definition picture quality, wiring is simple, comprehensive cost advantage is low user acceptance . Network camera market have obvious advantages, along with the rise in the domestic brand building advantages , network cameras develop more focus on technological progress .
IP Camera domestic enterprises have gradually mastered the core technology
Digital high-definition with the IPC to many security companies has brought new opportunities , we face a new era in racing again , many manufacturers hope to have a new era of digital high-definition transfer , or hope to achieve sales of high-definition big reshuffle larger, more centralized technology . Have developed strong enterprises to take advantage of high technical threshold is high, high starting point, the lack of technical research and development in high-definition analog processing block outside the gate . As enterprises gradually mastered the core technology of IP Camera , and more easy to achieve personalization and differentiation, thus avoiding the homogenization of vicious price war .
Compared with the analog era , digital high-definition era more conducive to the development of R & D enterprise . IPC and DVR will face the same price war era , even more than the price war era DVR faster more violent . After going through a war , the industry will return to a peaceful , will be more trade order , there are industry rules , more rational norms , profit rationalize Specialization , their own merits. Number of manufacturers last from a few thousand to more than a dozen , or even less .
Monitor manufacturers counterattack
Early application of the vast majority of high-definition or use in finance, public security , schools, and other high-end smart city areas , mostly encountered in competition or domestic brands. Analog era , the underlying core technology controlled by foreign manufacturers , Chinese manufacturers are basically production assembly . Into the digital high-definition era , more and more manufacturers have written 3A algorithms to master the camera's resolution , color , focus, exposure and other technologies.
In addition, the digital high-definition era, as a competitive high-definition monitor manufacturers , it is best to provide IPC, NVR, Hybrid DVR, decoders, platform supporting a full range of products and solutions , not just only IPC, it is precisely this point , the domestic manufacturers greater advantage , and today the country to do HD DVR manufacturers have done before with video surveillance software . In contrast, the number of foreign manufacturers of pure IPC only IPC, can not be packaged supporting sales , manufacturers need other HD NVR, compatible decoder to them .
Brand gradually rise
Looking at the whole surveillance industry , the camera in this field has been dominated by Japan and South Korea dominated by foreign brands , domestic brands have rarely seen a number of difficult to walk the high road . Development to high-definition Network Camera era, China has been the emergence of a large number of independent brands, the market share of Japanese and Korean brands began to be squeezed. In order to finance, transportation, safe city and other key industry dominated , and gradually began to appear a lot of domestic brands in the figure, along with IPC related technologies mature, technical threshold is decreasing, previously dominated by foreign brands in the domestic image processing technology starting to get a breakthrough, some domestic enterprises the advantage of mainstream technologies began to appear .
Coupled with the advantage of localization of domestic enterprises , the domestic brand products more in line with China 's national conditions , adapted to the high low-end users' needs , and in response to a user friendly , customized needs more effective , quick fix market demand for new products and the run so that the domestic network camera brand to develop .
Future Development : High- resolution low-light pace
In the era of digital surveillance , as people gradually increase the demand for monitoring , Network Camera started toward HD , intelligent direction, this paper explores the network cameras in the next few years technology trends.
In the era of analog monitor , users vague, already covered with snow noise of the image is Jiaokubudie but can not do anything , because it was the best cameras on the market can only do D1, pixels , in theory, only a maximum of more than 40 million . In non- security areas , it is overwhelming digital cameras, camcorders , computer camera , cell phone camera , easily tens of millions or even tens of millions of pixels. The first major security surveillance cameras as assistant simulation class monitoring products can not meet the user needs , then, "HD " has become the first big demand, but , with the high- definition picture quality , low-light , wide dynamic , intelligent , etc. etc. to achieve a higher level of demand , it has application value.
High-definition screen is mainly dependent on technological breakthroughs , first from the video source to enhance the quality of working . Digital Network Camera as opposed to analog cameras with progressive scan , commonly used CMOS sensor built AD conversion, optical signal into a digital signal output , to avoid repeated AD conversion, quality damage is small, and the color reproduction , the signal immunity outstanding performance .
Analog front of the camera light sensor output analog signals , and then converted into a digital signal for color and luminance processing , and then converted into a digital signal and then outputs the analog signal . When you reach the DVR and other back-end device, the video capture chip ( eg : 7130,6805 ) to the analog signal into a digital signal , a total of three times occurred in AD converter , the picture severely damaged, when the composite video transmission to the video capture chip when , in addition to doing the video capture chip AD conversion , but also do bright separation ( comb filtering ) , because of the difficulty completely separates the luminance and color signals , resulting in traditional analog video surveillance prone to color penetration and variegated phenomenon .
1 illumination accelerated the pace of universal
With the security monitoring by the growing field of civilian high-end dedicated camcorder range of applications has become increasingly widespread , many monitoring conditions are poor, dimly lit places require the installation of versatile camera , especially low-light cameras . In addition, in order to meet the demand for 24 -hour monitoring of new technology-based low-light camera surveillance market has become the new darling . Currently, low-light cameras have been widely used in finance, cultural , hotels , office buildings, residential property management and other fields.
Well known, as the photosensitive area of the image sensor pixels, the assigned to each pixel of the photosensitive area , the smaller , the number of photons received by the less , followed by low light performance is worse , so many people will only hundreds of thousands of pixels analog cameras Ditto megapixels digital camera illumination network contrast and mistakenly believe that illumination is a digital network cameras weakness. In fact , the digital camera in low light areas continuous improvement , has already made ​​a breakthrough , the future trend is getting better.
Now, the low-light high-definition IP Camera has emerged, this camera uses a number of brightening technology monitoring in harsh environments , illumination effect is far more than analog cameras , they also have an outstanding advantage that ordinary cameras at low illumination conditions, after the color picture to black and white images fade , and this product is still showing in low light color image , whether static or dynamic screen display , can show a strong sense of hierarchy , true color reproduction , less noise , no smearing , etc. . Industry experts believe that low light performance improvement will accelerate the popularization of high-definition Network Camera will accelerate the process of high-definition monitor era .
(2) improve monitoring efficiency of intelligent
Traditional monitoring is defensive monitoring, lack of interaction between man and machine , intelligent monitoring has changed this situation, change from passive to active, intelligent technology through timely information automatically extracted from the original video a lot of useful information , complete preservation and retrieval of video transmission , can also drive other programs running other intelligent behavior . The advantage is clear: reliable weather monitoring, improve alarm accuracy , fast response .
Intelligent monitoring from complex data analysis to identify behaviors and types , providing operational commands, data and information , in order to achieve alarm to alert attention , intelligent retrieval intelligent behavior . If the traditional video surveillance is a search for the suspect after the means , then intelligent monitoring is a kind of adjunct to deter crime occurred , which dramatically improves the monitoring efficiency . Moreover, since the smart device to selectively transmit video , thus effectively saving bandwidth , greatly enhancing the available network bandwidth. Today, intelligent monitoring has become a monitoring technology development and market demand an important theme .
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