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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

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