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In order to ensure road safety surveillance the onboard camera function needs to operate around the clock as much as possible Car mounted cameras perceive the surrounding environment through photosensitivity and algorithms Therefore in scenarios with insufficient lighting such as driving at night or passing through tunnels it is necessary to enhance the camera's night vision ability At present car night vision systems can be divided into three categories based on imaging principles and lenses : low light near - infrared and far - infrared .
The existing night vision assistance system can recognize pedestrians beyond the high beam range and predict danger in advance . Advance prediction to assist drivers in safe driving .

Low light : Literally it refers to the process of amplifying a small amount of visible light received ultimately capturing and projecting an image onto the corresponding display screen . The imaging principle of low light and general cameras is consistent both of which achieve night vision through visible light but require a certain visible light environment
Near car camera infrared night vision : also known as active infrared night vision technology refers to using a strong infrared emission source to illuminate the target during operation and using the infrared reflected back by the target to obtain the image of the object . Near infrared light operating in the wavelength range of 800 - 1000nm .

Far infrared night vision (thermal imaging system ) : also known as passive infrared night vision technology mainly uses the infrared radiation emitted by the object itself to image which is also known as thermal imaging . The thermal imaging system is based on the difference in infrared emissivity formed by the temperature difference between the target and the background . It uses radiation temperature measurement technology to measure the radiation intensity of the target point by point forming a visible thermal image of the target . Its theoretical working wavelength is between 1 - 14um but generally far infrared night vision mainly uses shortwave (3 μ M-5 μ m) And long wave (8 μ M - 14 μ m) These two types .
Among them the implementation of low light night vision for car mounted cameras needs to be improved from CMOS and algorithms ; And infrared night vision requires specialized infrared lenses to ensure the entry of infrared light . In addition low light night vision can see color images while infrared cannot achieve color

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Shenzhen Huoxin Technology Co Ltd is a professional company that produces and develops in car video surveillance products It is engaged in the production of CCTV cameras and other closed circuit and in car surveillance products worldwide, We are a professional manufacturer of automotive safety products including in car WiFi 3G 4G 5G cameras in car wireless surveillance recorders bus cameras school buses truck cameras taxi specific cameras wireless in car recorders wireless bus cameras, in car hard disk recorders in car SD card recorders in car reverse systems in car 7-inch displays rearview systems and in car cameras It is a high-tech enterprise that integrates product research and development, production sales and service The headquarters is located in Shenzhen Special Economic Zone the manufacturing center of electronic products in China Fully enjoy the advantages of regional information flow capital flow logistics and other aspects