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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