Analysis of trends in high-definition network camera image sensor used in

Analysis of trends in high-definition network camera image sensor used in
CMOS image sensors and CCD image sensors in the security surveillance all have their own market share, compared to CCD image sensors currently used , CMOS sensors because the image has the same or better performance , lower cost , higher integration , lower power consumption and faster speeds , but also to meet people now high -quality, good effects monitoring requirements , thereby increasing application in HD IP Camera , the CCD image sensor has gradually replaced the trend.
In the field of security monitoring , outstanding CMOS image sensor technology can achieve many new features and functions, and can provide critical differentiating features for the monitoring system OEM manufacturers. Moreover , the use of CMOS image sensor enables IP surveillance system to achieve a more economical and easier to install , which stand out in the market competition, thereby attract more customers. Now , there are already some monitoring system OEM manufacturers with forward-thinking is developing new, potentially large quantities , to produce their own surveillance market segments. Even a small office home monitoring system may only cost $ 100 , it can lead to over closed-circuit television system based on CCD image sensor larger markets.
Image sensor technology innovation inspires HD video surveillance market standards while turning the steering IP solutions , which can gradually from CCTV security camera solution. Full HD IP Camera provides a clear image details and better overall visual experience and information, but the intake of high -quality video , but require high frame rates and the ability to adapt to a variety of light from a high -contrast scenes in very dark conditions . To achieve high -quality, high -definition video requires a high level of innovation and extraordinary pixel technology .
CMOS image sensors used in high-definition network camera IP system must have a relatively high resolution, at 60 frames / sec high frame rates can be achieved 720P or 1080P. Although the standard video frame rate of 30fps, but 60fps frame rate camera manufacturers provide for greater flexibility , you can adjust the width of the shutter to capture fast moving objects within the scene .
One reason for the high-speed HD video HD IP Camera turned CMOS image sensor is an inherent characteristic of CMOS with lower power consumption . Lower power consumption CMOS image sensor incorporates many energy saving features such as clock gating design, variable frame rates and using CMOS process technology to achieve low standby current. In addition, digital or IP camera , the increase in the number of interface options , Gigabit Ethernet , HDCCTV and coaxial cable can be used as an interface to select IP and other high-definition video .
The latest trend is to integrate features wide dynamic range and wide dynamic range image processing on the image sensor to provide clear details and smooth video. Although the image resolution of today's surveillance camera system has been improving, but the pixel dynamic range but with reduced pixel scale and shrinking , thus limiting the surveillance cameras produce light distribution retains vivid images. To this end , it is proposed to achieve a wide dynamic range of the various pixels programs , including the number of pixels , horizontal overflow method, the multiple exposure frames and multiple exposure frame .
HD IP Camera many advantages of CMOS image sensors , can adapt to the rapid development of the security market is now in the modern people need a clearer , higher quality service , they both meet the needs of modernization , the market price is lower, there replace the CCD image sensor trend.
From:http://www.vstarcam.com/channel/Analysis-of-trends-in-high-definition-network-camera-image-sensor-used-in-440.html
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