2012年11月6日星期二

Security Camera Applied in the Traffic

Security Camera Applied in the Traffic


As we know, security camera is widely applied on the road. So what is requiremnent needed for the security cameras if applied in the traffic?
Security Camera Applied in the Traffic
Definition In general, as we know the security camera is little away from the car, and car run very fast. So we need to install the imaging capacity of High definition. For the road is in good condition, 480TVL is OK for the demand. If the road has many traffic flow and complicated circumstance. It suggest 540 TVL HD Cameras or 700TVL Surveillance camera. And if use CMOS for HD IP cameras, it is not good image with night vision. CCD chip will be the better choice.
SharpnessIf the sharpness of camera is very high, then the low illumination will be low as well. But it do not mean the low illumination the camera, the better with night vision.

Backlight compensation It can capture the information of Car No. and other details,it is a good solution.
White Balance To balance the color and particular details of the cars.
Signal to Noise Ratio48dB-50dB or more will be better
Different demand for security cameraDual CCD cameras for the purpose of Snapping System of car
Road crossing, it need the PTZ high speed dome camera to monitor the objects from every side and angle. Box camera usually used in the road of high speed.

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