Vehicle Camera Monitoring System Reverse image truck road monitor display screen
Distribution of in car cameras :
At present the car mounted cameras are mainly divided into five categories based on their installation location : front view cameras surround view cameras rear view cameras side view cameras and built - in cameras
Front view camera : mainly installed on the front windshield to achieve visual perception and recognition functions during driving It can be divided into front view main camera front view narrow angle camera and front view wide angle camera according to their functions
Front facing main camera : This camera is used as the main camera in the ADAS system of L2 The field of view angles are generally 30 ° 50 ° 60 ° 100 ° and 120 ° and the detection distance is generally 150 - 170 meters The camera output format is RCCB or RCCC
Forward looking wide - angle camera The main function of this camera is to recognize objects that are close in distance mainly used in urban road conditions low - speed driving and other scenes Its field of view angle is between 120 ° -150 ° and the detection distance is about 50 meters After the large - scale installation of the 8MP lens in subsequent vehicles this camera is not needed
Front view narrow angle camera : The main function of this camera is to recognize targets such as traffic lights and pedestrians Generally narrow angle lenses are used and lenses around 30-40 ° can be selected And the pixels of this lens are generally the same as those of the front facing main camera The camera adopts a narrow angle has higher pixel density and farther detection distance and can generally detect up to 250 meters or even longer distances
After installing an 8MP camera the FOV of the front facing main camera can reach 120 ° which may not be needed anymore The detection distance is around 60 meters
Surround camera : mainly installed around the vehicle body usually using 4 - 8 cameras which can be divided into forward facing fisheye camera left facing fisheye camera right facing fisheye camera and rear facing fisheye camera Used for displaying panoramic panoramic view function as well as visual perception and object detection integrating parking function The commonly used color matrix is RGGB as there is a need for color restoration
Rear view camera : generally installed on the trunk, mainly for parking assistance The field of view angle is between 120 and 140 degrees and the detection distance is approximately 50 meters
Side front view camera : installed at the B - pillar or vehicle rearview mirror the field of view angle of this camera is generally 90 ° -100 ° and the detection distance is about 80 meters The main function of this camera is to detect lateral vehicles and bicycles
Side and rear view camera : generally installed at the front fender of the vehicle the field of view angle of this camera is generally around 90 ° and the detection distance is also about 80 meters It is mainly used for scene applications such as vehicle lane changing and merging into other roads
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