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AHD Car Camera In car dual camera simulation 1080P wide - angle high - definition interior
1. Introduction to in car cameras
(1) Vehicle mounted camera positioning : Due to the mature
development of camera technology vehicle mounted
cameras dominate autonomous driving solutions below L3 level
. In the autonomous vehicle the on-board
camera is the main way to collect information and analyze
images which can realize a series of functions such as
vehicle recognition pedestrian
recognition lane line
recognition etc
(2) Car mounted camera composition : From the perspective of
the car mounted camera solution the core hardware
mainly includes lens groups (optical lenses
filters protective
films) image sensors image
signal processors connectors etc
.
2. Vehicle mounted camera process requirements
Compared with industrial cameras and mobile phone cameras ,
in car cameras require stable operation under various complex
working conditions such as high and low temperatures
humidity, strong and low light and
vibration . Therefore in car cameras have higher safety
levels and process performance requirements . Considering
safety factors automobile manufacturers tend to choose
component manufacturers with mature technology and guaranteed
quality . Vehicle component manufacturers entering the market
system and obtaining ratings require a longer certification
cycle and industry barriers are high . In
terms of performance the current pixel
requirements for in car cameras are not
high generally ranging from 300000 to 1.2 million
pixels However in car cameras
have higher requirements for detection angle and range. Wide angle
lenses above 135 degrees are generally used for surround and rear
view while front view cameras have a range of 40 -
70Degree Overall in car cameras
have high technological barriers .
3. Car mounted camera solution
Generally speaking ADAS system bicycles are equipped with at
least 6 cameras (1 front view 1 rear view 4
surround view) . With the improvement of autonomous
driving the number of in car cameras will
gradually increase . From the perspective of Tesla series
models currently mainly 8 cameras are usedImage
head including 3 front view 3
rear view and 2 surround view cameras . The NIO ET7
model is equipped with a total of 11
cameras including 4 front view and 4 surround view
cameras . The number of cameras for other car companies'
related models is mainly 4 - 5