CN116353485A - Blind supplementing method based on vehicle rearview mirror camera - Google Patents

Blind supplementing method based on vehicle rearview mirror camera Download PDF

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Publication number
CN116353485A
CN116353485A CN202310323432.5A CN202310323432A CN116353485A CN 116353485 A CN116353485 A CN 116353485A CN 202310323432 A CN202310323432 A CN 202310323432A CN 116353485 A CN116353485 A CN 116353485A
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CN
China
Prior art keywords
vehicle
unit
blind area
camera
blind
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CN202310323432.5A
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Chinese (zh)
Inventor
潘钰华
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Jiangsu Yulan Information Technology Co ltd
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Jiangsu Yulan Information Technology Co ltd
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Priority to CN202310323432.5A priority Critical patent/CN116353485A/en
Publication of CN116353485A publication Critical patent/CN116353485A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/20—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/22—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
    • B60R1/23—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D15/00—Steering not otherwise provided for
    • B62D15/02—Steering position indicators ; Steering position determination; Steering aids
    • B62D15/029—Steering assistants using warnings or proposing actions to the driver without influencing the steering system
    • B62D15/0295—Steering assistants using warnings or proposing actions to the driver without influencing the steering system by overlaying a vehicle path based on present steering angle over an image without processing that image
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
    • B60R2001/1215—Mirror assemblies combined with other articles, e.g. clocks with information displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
    • B60R2001/1223—Mirror assemblies combined with other articles, e.g. clocks with sensors or transducers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
    • B60R2001/1276—Mirror assemblies combined with other articles, e.g. clocks with radio receivers, loud-speakers or buzzers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/20—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used
    • B60R2300/202—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used displaying a blind spot scene on the vehicle part responsible for the blind spot
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/30—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing
    • B60R2300/301—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing combining image information with other obstacle sensor information, e.g. using RADAR/LIDAR/SONAR sensors for estimating risk of collision
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
    • B60R2300/802—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for monitoring and displaying vehicle exterior blind spot views
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
    • B60R2300/8093—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for obstacle warning

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Traffic Control Systems (AREA)

Abstract

The invention relates to a camera blind-supplementing method based on a vehicle rearview mirror, which comprises the following steps: 1) engine the car, blind area monitoring element monitors front and back direction and bottom to show on the accuse platform in the vehicle, 2) when the vehicle was gone, blind area monitoring element carries out real-time supervision to the left and right sides blind area position of vehicle, 3) blind area monitoring element transmits the video image around the vehicle in the electronic control unit, 4) electronic control unit analysis and calculate whether the obstacle around the vehicle can produce the collision to the vehicle, and carry out the suggestion through the execution unit to the driver, 5) the obstacle is close to the vehicle and is controlled in the car and show the image around the vehicle, assist driver's operation vehicle. The invention relates to the technical field of vehicle rearview mirror blind supplement. The invention supplements left and right blind areas of the running automobile, supplements front and rear blind areas of the automobile when the automobile is started, and effectively improves driving safety.

Description

Blind supplementing method based on vehicle rearview mirror camera
Technical Field
The invention relates to the technical field of vehicle rearview mirror blind-repairing, in particular to a vehicle rearview mirror camera-based blind-repairing method.
Background
Three rearview mirrors, namely a left rearview mirror, a right rearview mirror and an in-car rearview mirror, are generally arranged on an automobile and are used for observing the conditions of the right rear and the side rear of the automobile, so that a driver can safely drive the automobile conveniently.
Although the automobile technology is very different, the blind area of the automobile rearview mirror always exists, and because the field of view of the automobile rearview mirror is limited, scratch accidents are easy to occur due to the fact that the blind area is not noticed in the process of turning or doubling, and the life safety and property safety of a driver are damaged.
Disclosure of Invention
According to the defects existing in the prior art, the invention aims to provide a camera blind supplementing method based on a vehicle rearview mirror, which has the effect of supplementing blind areas of the vehicle rearview mirror so as to protect life safety and property safety of a driver.
The technical aim of the invention is realized by the following technical scheme:
a camera blind-supplementing method based on a vehicle rearview mirror comprises the following steps:
1) The blind area monitoring unit monitors the front and rear directions and the bottom of the automobile and displays the blind area monitoring unit on a central console of the automobile;
2) When the vehicle runs, the blind area monitoring unit monitors the left and right blind area positions of the vehicle in real time;
3) The blind area monitoring unit transmits video images around the vehicle to the electronic control unit;
4) The electronic control unit analyzes and calculates whether the obstacle around the vehicle collides with the vehicle or not, and prompts the driver through the execution unit;
5) Displaying images around the vehicle on a central control of the vehicle when the obstacle approaches the vehicle, and assisting a driver to operate the vehicle;
6) Judging whether a steering command exists when an obstacle exists around the vehicle;
7) And judging the danger of the steering direction when the steering command exists, and forcibly controlling the vehicle to stop steering when the danger exists.
The present invention may be further configured in a preferred example to: the blind area monitoring unit in the step 1) comprises a front camera, a rear camera, a left camera and a right camera which are respectively arranged on the front side, the rear side, the left front side and the right front side of the vehicle, wherein the left camera and the right camera are respectively positioned at the bottoms of a left rearview mirror and a right rearview mirror;
the electronic control unit can process and judge the information of the blind area monitoring unit and output signals to the corresponding terminal;
the execution unit comprises a display unit, an alarm unit and an emergency braking unit, and is used for completing corresponding actions according to the information of the blind area monitoring unit and ensuring the running safety.
The present invention may be further configured in a preferred example to: the blind area monitoring unit can acquire blind area video images around the automobile when the automobile approaches, and outputs the blind area video images to the display unit in the automobile for display after the synthesis processing, so that a driver can observe the video images around the automobile through the display unit, and the visual angle blind area of the rearview mirror is complemented;
the blind area monitoring unit controls the alarm unit to alarm when detecting that vehicles exist near the periphery of the vehicle, and the indicator lights flash to remind a driver of taking care of driving.
The present invention may be further configured in a preferred example to: the blind area monitoring unit further comprises a steering angle sensor fixed on the front side of the vehicle, and the steering angle sensor is electrically connected with the electronic control unit;
the electronic control unit can calculate the relative speed of the moving object and the current vehicle, and when the relative speed is greater than the threshold value set by the system, the turning-on of the steering lamp can trigger the alarm unit to alarm so as to remind the driver that the lane cannot be changed;
when the driver steers towards the direction of the moving object forcibly, the steering angle sensor monitors the change of the direction of the vehicle, the electronic control unit controls the emergency braking unit to work, and the vehicle is braked in time and the initial movement direction of the vehicle is restored.
The present invention may be further configured in a preferred example to: the vehicle is provided with auxiliary monitoring units in opposite sides, and the auxiliary monitoring units are detection radars, and the detection radars are electrically connected with the electronic control unit, so that a driver can open the auxiliary monitoring units to monitor the distance between obstacles around the vehicle and display the distance on the display device when the imaging definition of the blind area monitoring units is low in severe weather.
The present invention may be further configured in a preferred example to: the front camera and the rear camera are connected with the vehicle through a driving motor, and the electronic control unit is electrically connected with the driving motor;
when the engine is started, the electronic control unit transmits signals to the driving motor, and the driving motor drives the front camera and the rear camera to rotate so as to image and display the bottom of the vehicle.
The present invention may be further configured in a preferred example to: the vehicle monitoring system comprises a blind area monitoring unit, an imaging filtering unit, an electronic control unit and a vehicle information transmission unit, wherein the blind area monitoring unit is electrically connected with the imaging filtering unit, and the imaging filtering unit is used for shielding and filtering vehicles, the width of which is larger than one lane, shot by the blind area monitoring unit, so that the vehicle information on non-adjacent lanes can not be transmitted to the electronic control unit.
The present invention may be further configured in a preferred example to: the alarm unit comprises an alarm lamp in the vehicle and an alarm lamp outside the vehicle, wherein the alarm lamp in the vehicle is used for reminding a driver, and the alarm lamp outside the vehicle is used for reminding pedestrians or vehicles to enter a dead zone of the vehicle.
The present invention may be further configured in a preferred example to: when the vehicle approaches, the electronic control unit analyzes the condition and divides the condition into a visible condition and a blind area condition;
under the visual condition, the alarm unit alarms to remind a driver to observe the rearview mirror;
under the blind area condition, the alarm unit alarms, and simultaneously, the left camera or the right camera images on the display unit to assist the driver to make judgment.
The present invention may be further configured in a preferred example to: the speed sensor is arranged in the vehicle and is electrically connected with the electronic control unit, and the vehicle is rapidly approaching to the lanes on the two adjacent sides at the rear and can catch up with the vehicle in three to four seconds through the calculation of the electronic control unit, so that the alarm unit gives an alarm.
In summary, the present invention includes at least one of the following beneficial technical effects:
1. through blind area monitoring element, electronic control unit, auxiliary monitoring element and execution unit's cooperation, through the setting of left camera and right camera, the left and right blind area of car in going is replenished, guarantees the safety of traveling, through the cooperation of preceding camera, back camera and driving motor, supplements the front and back blind area of car when the car starts, bumps low barrier when preventing to start, has improved the security of driving effectively.
2. Through the setting of auxiliary monitoring unit, under bad weather such as sleet or heavy fog, when the camera shooting precision was lower, monitoring radar work replaced the camera work, detects the distance of the obstacle around the vehicle to further improved driving security.
3. Through the cooperation of steering angle sensor, blind area monitoring element and electronic control unit, when the vehicle turns to and has danger, when the driver turned to towards dangerous direction, the steering angle sensor monitored the vehicle and turned to, and electronic control unit control vehicle direction is replied, prevents that the vehicle from receiving the striking, and the dangerous alarm flash light of vehicle opens simultaneously, reminds surrounding vehicle to take notice of avoiding.
4. Through the setting of formation of image filter unit, carry out shielding to the vehicle that exceeds a lane apart from vehicle width and filter, make the vehicle information on the non-adjacent lane can not transmit to electronic control unit department improves blind area monitoring's accuracy.
Drawings
FIG. 1 is a program diagram of the present invention;
FIG. 2 is a system diagram of the present invention;
fig. 3 is a flowchart of a vehicle rearview mirror camera-based blind mate method in the invention.
In the figure, 1, a blind area monitoring unit; 11. a steering angle sensor; 2. an electronic control unit; 3. an execution unit; 31. a display unit; 32. an alarm unit; 33. an emergency braking unit; 4. an auxiliary monitoring unit; 5. a driving motor; 6. an imaging filter unit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Examples:
referring to fig. 1 to 3, the blind supplementing method based on the camera of the rearview mirror of the vehicle disclosed by the invention comprises the following steps:
1) The blind area monitoring unit 1 monitors the front and back direction and the bottom of the automobile and displays the blind area on the automobile center console, and as children or animals possibly enter the blind area after the automobile stops, the blind area is larger particularly when a large truck is driven, a driver can be reminded of whether obstacles exist in the front and back of the automobile, and starting collision is prevented.
2) When the vehicle runs, the blind area monitoring unit 1 monitors the left and right blind area positions of the vehicle in real time.
The blind area monitoring unit 1 comprises a front camera, a rear camera, a left camera and a right camera which are respectively arranged on the front side, the rear side, the left front side and the right front side of the vehicle, wherein the front camera and the rear camera not only can detect the blind area of the vehicle when starting, but also can replace a vehicle recorder to use when a traffic accident occurs, and judge whether rear-end collision exists or not.
The camera uses the omnidirectional side camera, can show the image at the back about 100m, and the image display effect is comparatively clear.
The left camera and the right camera are respectively positioned at the bottoms of the left rearview mirror and the right rearview mirror, so that the blind area monitoring effect on two sides of the vehicle is good, the blind area monitoring device is low in attention, and the attractive appearance is high.
The blind area monitoring unit 1 judges whether a moving object image exists in the scene image according to the shot image detection result so as to confirm whether a moving object such as a pedestrian or a vehicle exists in the driving vision blind area. Judging whether the object is in a moving state or not according to the driving speed and the relative speed of the object in the image.
The vehicle is provided with auxiliary monitoring units 4 on two opposite sides, and the auxiliary monitoring units 4 are detection radars, and the detection radars are electrically connected with the electronic control unit 2. Under bad weather, when the imaging definition of the blind area monitoring unit 1 is lower, the driver can open the auxiliary monitoring unit 4 to monitor the distance of the obstacle around the vehicle, and the camera is replaced to work, so that the driving safety is further improved.
The detection radar is millimeter wave radar, and can identify objects with the height of more than 50 cm. The millimeter wave radar can sense moving objects such as vehicles, bicycles, and the like coming from behind. The millimeter wave radar emits electromagnetic waves outwards, the electromagnetic waves encounter obstacles and are reflected back, the reflected echoes are received by the radar, and physical information such as the distance and the speed of the obstacles is obtained through signal processing and operation of the electronic control unit 2.
3) The blind spot monitoring unit 1 transmits video images of the surroundings of the vehicle into the electronic control unit 2. The electronic control unit 2 can process and judge the information of the blind area monitoring unit 1, and output a signal to a corresponding terminal.
The front camera and the rear camera are connected with the vehicle through a driving motor 5, the electronic control unit 2 is electrically connected with the driving motor 5, the driving motor 5 works to adjust the angles of the front camera and the rear camera, and the front camera and the rear camera monitor the front lower part and the rear lower part of the vehicle respectively in an initial state.
When the engine is started, the electronic control unit 2 transmits signals to the driving motor 5, and the driving motor 5 drives the front camera and the rear camera to rotate so as to image and display the bottom of the vehicle.
The device further comprises an imaging filter unit 6, and the imaging filter unit 6 is electrically connected with the blind area monitoring unit 1. The imaging filtering unit 6 performs shielding filtering on the vehicles with the vehicle width exceeding one lane, which are shot by the blind area monitoring unit 1, so that the vehicle information on the non-adjacent lanes is not transmitted to the electronic control unit 2, and the electronic control unit 2 does not perform data analysis on the vehicle information.
4) The electronic control unit 2 analyzes and calculates whether an obstacle around the vehicle will collide with the vehicle, and gives a prompt to the driver through the execution unit 3.
The execution unit 3 comprises a display unit 31, an alarm unit 32 and an emergency braking unit 33, and is used for completing corresponding actions according to the information of the blind area monitoring unit 1 and ensuring the running safety.
The display unit 31 is arranged in the car, the blind area monitoring unit 1 can acquire blind area video images around the car when the car approaches, and the synthesized video images are output to the display unit 31 in the car for display, so that a driver can observe the video images around the car through the display unit 31, and the visual angle blind area of the rearview mirror is complemented.
The alarm unit 32 comprises an alarm lamp in the vehicle and an alarm lamp outside the vehicle, the alarm lamp in the vehicle is used for reminding a driver, the alarm unit 32 is controlled to alarm when the blind area monitoring unit 1 monitors that the vehicle exists near the periphery of the vehicle, and the indicator lamp flashes to remind the driver to pay attention to driving. The off-vehicle warning lamp is used for reminding pedestrians or surrounding vehicles of entering the dead zone of the vehicle.
5) When the obstacle approaches the vehicle, the image around the vehicle is displayed on the vehicle central control, so that the function of blind supplement of the rearview mirror is realized, the safer driving function is realized, and the driver is assisted to operate the vehicle to respond in time.
When the vehicle needs to be stopped at a certain place or passes through a narrower road, video images acquired by the front camera, the rear camera, the left camera and the right camera are subjected to video segmentation, and are synthesized into a picture to be displayed on a screen through calculation of the electronic control unit 2, so that the blind supplementing effect is more ideal, and the driving of a driver is further facilitated.
6) And judging whether a steering command exists when an obstacle exists around the vehicle. The blind area monitoring unit 1 further comprises a steering angle sensor 11 fixed on the front side of the vehicle, and the steering angle sensor 11 is electrically connected with the electronic control unit 2. When the vehicle turns, the steering angle sensor 11 can monitor the vehicle turning and transmit a signal to the electronic control unit 2.
7) And judging the danger of the steering direction when the steering command exists. The electronic control unit 2 can calculate the relative speed of the moving object and the current vehicle, and when the relative speed is greater than the threshold value set by the system, the turning-on of the turn signal lamp triggers the alarm unit 32 to alarm so as to remind the driver that the lane cannot be changed.
When the driver forcibly steers in the direction of the moving object, the steering angle sensor 11 detects the change of the direction of the vehicle, and the electronic control unit 2 controls the emergency braking unit 33 to operate, thereby braking the vehicle in time and restoring the initial movement direction of the vehicle. When the driver does not turn in the direction of the moving object, the vehicle can normally move.
The vehicle is provided with a speed sensor which is electrically connected with the electronic control unit 2. When the vehicle normally runs on the road at a speed of more than fifteen kilometers, the vehicles on the lanes on two adjacent sides behind are quickly approaching and can catch up with the vehicle in three to four seconds through the calculation of the electronic control unit 2, the alarm unit 32 alarms, and the vehicles come behind the reminding side, so that the safety is noted. The alarm prompts that the light is extinguished until the vehicle is basically flush with the vehicle.
When the vehicle passes through the rear side and the side turn light is turned on to prepare for lane changing, the alarm unit 32 can alarm vigorously to prompt attention to lane changing safety.
When the vehicle approaches, the electronic control unit 2 analyzes the condition and classifies the condition into a visible condition and a blind zone condition.
In the visual case, the alarm unit 32 alarms to remind the driver to observe the rearview mirror, and does not image on the display unit 31, so that the driver is prevented from being distracted.
In the case of a blind zone, the alarm unit 32 alarms, and at the same time, the left camera or the right camera images on the display unit 31 to assist the driver in making a judgment.
The implementation principle of the embodiment is as follows:
1) The blind area monitoring unit 1 monitors the front and rear directions of the automobile and displays the monitored front and rear directions on a central console of the automobile;
2) When the vehicle runs, the blind area monitoring unit 1 monitors the left and right blind area positions of the vehicle in real time;
3) The blind area monitoring unit 1 transmits video images around the vehicle to the electronic control unit 2;
4) The electronic control unit 2 analyzes and calculates whether an obstacle around the vehicle collides with the vehicle, and prompts the driver through the execution unit 3;
5) Displaying images around the vehicle on a central control of the vehicle when the obstacle approaches the vehicle, and assisting a driver to operate the vehicle;
6) Judging whether a steering command exists when an obstacle exists around the vehicle;
7) And judging the danger of the steering direction when the steering command exists, and forcibly controlling the vehicle to stop steering when the danger exists.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims (10)

1. The blind supplementing method based on the vehicle rearview mirror camera is characterized by comprising the following steps of:
1) The blind area monitoring unit (1) monitors the front and rear directions and the bottom of the automobile and displays the blind area monitoring unit on a central console of the automobile;
2) When the vehicle runs, the blind area monitoring unit (1) monitors the left and right blind area positions of the vehicle in real time;
3) The blind area monitoring unit transmits video images around the vehicle to the electronic control unit (2);
4) The electronic control unit (2) analyzes and calculates whether the obstacle around the vehicle collides with the vehicle, and prompts the driver through the execution unit (3);
5) Displaying images around the vehicle on a central control of the vehicle when the obstacle approaches the vehicle, and assisting a driver to operate the vehicle;
6) Judging whether a steering command exists when an obstacle exists around the vehicle;
7) And judging the danger of the steering direction when the steering command exists, and forcibly controlling the vehicle to stop steering when the danger exists.
2. The vehicle rearview mirror camera-based blind mate method of claim 1, wherein the method comprises the following steps: the blind area monitoring unit (1) in the step 1) comprises a front camera, a rear camera, a left camera and a right camera which are respectively arranged on the front side, the rear side, the left front side and the right front side of the vehicle, wherein the left camera and the right camera are respectively positioned at the bottoms of a left rearview mirror and a right rearview mirror;
the electronic control unit (2) can process and judge the information of the blind area monitoring unit (1) and output signals to the corresponding terminals;
the execution unit (3) comprises a display unit (31), an alarm unit (32) and an emergency braking unit (33) and is used for completing corresponding actions according to the information of the blind area monitoring unit (1) so as to ensure running safety.
3. The vehicle rearview mirror camera-based blind mate method of claim 2, wherein the method comprises the following steps: the blind area monitoring unit (1) can acquire blind area video images around the automobile when the automobile approaches, and outputs the blind area video images to the display unit (31) in the automobile for display after synthesis processing, so that a driver can observe the video images around the automobile through the display unit (31), and the visual angle blind area of the rearview mirror is complemented;
when the blind area monitoring unit (1) monitors that vehicles exist near the periphery of the vehicle, the alarm unit (32) is controlled to alarm, the indicator lights flash, and the driver is reminded of taking care of driving.
4. A vehicle rearview mirror camera based blind mate method according to claim 3, wherein: the blind area monitoring unit (1) further comprises a steering angle sensor (11) fixed on the front side of the vehicle, and the steering angle sensor (11) is electrically connected with the electronic control unit (2);
the electronic control unit (2) can calculate the relative speed of the moving object and the current vehicle, and when the relative speed is greater than a threshold value set by the system, the turning-on of the steering lamp can trigger the alarm unit (32) to alarm so as to remind a driver that the lane cannot be changed;
when the driver forcibly steers towards the direction of the moving object, the steering angle sensor (11) detects the change of the direction of the vehicle, and the electronic control unit (2) controls the emergency braking unit (33) to work so as to timely brake the vehicle and restore the initial movement direction of the vehicle.
5. The vehicle rearview mirror camera-based blind mate method of claim 4, wherein the method comprises the following steps: the vehicle is provided with auxiliary monitoring units (4) on two opposite sides, the auxiliary monitoring units (4) are detection radars, the detection radars are electrically connected with the electronic control unit (2), and under severe weather, when the imaging definition of the blind area monitoring units (1) is lower, a driver can open the auxiliary monitoring units (4) to monitor the distance between obstacles around the vehicle and display the distance on a display device.
6. The vehicle rearview mirror camera-based blind mate-up method according to claim 5, wherein the method comprises the following steps: the front camera and the rear camera are connected with a vehicle through a driving motor (5), and the electronic control unit (2) is electrically connected with the driving motor (5);
when the engine is started, the electronic control unit (2) transmits signals to the driving motor (5), and the driving motor (5) drives the front camera and the rear camera to rotate so as to image and display the bottom of the vehicle.
7. The vehicle rearview mirror camera-based blind mate method of claim 6, wherein the method comprises the following steps: the vehicle monitoring system is characterized by further comprising an imaging filtering unit (6), wherein the imaging filtering unit (6) is electrically connected with the blind area monitoring unit (1), and the imaging filtering unit (6) is used for shielding and filtering vehicles, which are shot by the blind area monitoring unit (1) and have a distance to the vehicle width exceeding one lane, so that vehicle information on non-adjacent lanes cannot be transmitted to the electronic control unit (2).
8. The vehicle rearview mirror camera-based blind mate method of claim 7, wherein the method comprises the following steps: the alarm unit (32) comprises an in-car alarm lamp and an out-car alarm lamp, wherein the in-car alarm lamp is used for reminding a driver, and the out-car alarm lamp is used for reminding pedestrians or vehicles to enter a vehicle blind area.
9. The vehicle rearview mirror camera-based blind mate method of claim 8, wherein the method comprises the steps of: when the vehicle approaches, the electronic control unit (2) analyzes the condition and divides the condition into a visible condition and a blind area condition;
under the visual condition, the alarm unit (32) alarms to remind a driver to observe the rearview mirror;
under the condition of blind areas, an alarm unit (32) alarms, and a left camera or a right camera images on a display unit (31) to assist a driver to make judgment.
10. The vehicle rearview mirror camera-based blind mate method of claim 9, wherein: the vehicle is internally provided with a speed sensor, the speed sensor is electrically connected with the electronic control unit (2), the lanes on two adjacent sides at the rear are quickly approached by the vehicle and are calculated by the electronic control unit (2) to give an alarm by the alarm unit (32) when the vehicle catches up with the vehicle within three to four seconds.
CN202310323432.5A 2023-03-29 2023-03-29 Blind supplementing method based on vehicle rearview mirror camera Pending CN116353485A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117518170A (en) * 2024-01-08 2024-02-06 深圳信息职业技术学院 Wide-angle bidirectional monitoring device and monitoring method for vehicle blind area

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117518170A (en) * 2024-01-08 2024-02-06 深圳信息职业技术学院 Wide-angle bidirectional monitoring device and monitoring method for vehicle blind area
CN117518170B (en) * 2024-01-08 2024-04-12 深圳信息职业技术学院 Wide-angle bidirectional monitoring device and monitoring method for vehicle blind area

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