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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
With the development of technology more and more car mounted cameras are using far - infrared night vision which can greatly provide the safety of drivers driving at night or in tunnels .
In order to standardize daily transportation operations and control road safety applications some industries have introduced in vehicle monitoring solutions for commercial vehicles that can remotely and real - time monitor dynamics . By utilizing digital audio and video modes to
synchronously reflect information through integrated system platforms we assist enterprises and relevant institutions in regulating emergency situations . The plan mainly consists of several major devices : a terminal host that provides remote data transmission, storage download and playback of video recordings voice intercom, alarm linkage GPS positioning, and playback of vehicle historical trajectories An active safety system with algorithm monitoring, warning, and real-time driving conditions; Standard camera with infrared night vision and audio dual recording; An onboard monitor that synchronously presents the driver's blind spot image In addition there are sensors that can detect data in response to the special requirements of various industries or enterprises. At present in vehicle monitoring has been widely promoted to various industries and the most familiar one is undoubtedly the remote real - time solution for bus monitoring . Other commercial vehicles include school buses logistics vehicles hazardous chemical vehicles cold chain transport vehicles engineering vehicles dump trucks forklifts and so on . By relying on front - end hard disk storage backend system backup and customer local archiving clear video and audio data support is provided for vehicle operation processes .
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