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In recent years the installation rate of advanced
driving assistance systems for ADAS cameras in automobiles has been
rapidly increasing Looking at major manufacturers
Installation position : Generally located at the windshield
and interior rearview mirror
The camera used for forward driving
assistance commonly referred to as the front
camera is mainly used to recognize road vehicles
and pedestrians ahead with a viewing angle of
about 45 ° The image
sensor combined with a dual core MCU extended by
DSP provides incoming video frames for image
processing, monitors the situation ahead of the road, and can
achieve auxiliary driving functions such as FAM, LDW
ACC etc In
addition emerging night vision cameras are
generally also in this area
There are multiple classification methods for existing
cameras based on the number of CMOS lenses in the
camera we classify it into monocular and
binocular According to the camera's
perspective there are wide - angle and fisheye
In this article the editor uses classification
based on the installation position of the camera and its different
field of view It is generally divided into
front view rear view surround
view side view and inner view
cameras The editor has compiled an introduction to the
application of some cameras in vehicles for reference; Forward
facing cameras are commonly single/binocular cameras, which have
better ranging performance but more complex algorithms and higher
prices . The number of cameras at the front view camera is
not fixed for example Tesla is
equipped with three cameras
Forward facing narrow field of view camera with a
maximum monitoring distance of 250 meters
Forward facing main field of view camera
with a maximum monitoring distance of 150 meters
Forward facing wide field of view camera with a
maximum monitoring distance of 60 meters
The forward facing camera is the core camera of ADAS
covering ranging, object recognition, road
markings etc. Therefore the
algorithm is complex and the threshold is high
2 . Surround camera
Installation location : front and rear vehicle logos (or
nearby) as well as a set of cameras integrated
into the left and right rearview mirrors
The surround view camera also known as a
panoramic image monitoring system is used
to identify parking lane signs road conditions
and surrounding vehicle conditions . It uses
images from multiple cameras for splicing providing a
360 degree imaging of the vehicle. Due to the need for detecting
the surrounding sound of the vehicle it is
generally installed at positions such as the vehicle logo or grille
in front of the vehicle .
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