CN117445806A - Electronic rearview mirror design capable of realizing early warning of rear vehicle - Google Patents
Electronic rearview mirror design capable of realizing early warning of rear vehicle Download PDFInfo
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- CN117445806A CN117445806A CN202311352264.9A CN202311352264A CN117445806A CN 117445806 A CN117445806 A CN 117445806A CN 202311352264 A CN202311352264 A CN 202311352264A CN 117445806 A CN117445806 A CN 117445806A
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- 230000001960 triggered effect Effects 0.000 claims description 3
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- 238000012986 modification Methods 0.000 description 2
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- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
- B60W30/095—Predicting travel path or likelihood of collision
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
- B60W30/095—Predicting travel path or likelihood of collision
- B60W30/0953—Predicting travel path or likelihood of collision the prediction being responsive to vehicle dynamic parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
- B60W30/095—Predicting travel path or likelihood of collision
- B60W30/0956—Predicting travel path or likelihood of collision the prediction being responsive to traffic or environmental parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
-
- 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
-
- 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
- B60R2300/8046—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 replacing a rear-view mirror system
-
- 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
- B60R2300/8073—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 vehicle security, e.g. parked vehicle surveillance, burglar detection
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/143—Alarm means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
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Abstract
The invention discloses an electronic rearview mirror design capable of realizing rear vehicle early warning, which belongs to the technical field of electronic rearview mirrors and comprises the following procedures: image recognition, wherein the image recognition capability is based on a deep learning algorithm and is used for recognizing pedestrian images, rear vehicle images, road identification lines and the like captured by a rearview mirror camera; calibrating in the early stage; judging the relative positions of vehicles and people; judging the relative speed; judging the steering/overtaking intention of the rear vehicle; the rear vehicle movement track calculation can reduce the frequency of a driver looking at the rear view mirror by setting an active early warning function, reduce the burden of the driver, set a highlight display and loudspeaker reminding function, can effectively prompt the driver of danger from the rear of the vehicle, capture rear vehicle images on the basis of the existing function, carry out rear vehicle track early warning through image algorithm analysis, and maximally utilize the electronic rear view mirror, improve driving safety, and have simple circuit structure and low cost, fully utilize the electronic rear view mirror and enable the electronic rear view mirror to realize higher value.
Description
Technical Field
The invention belongs to the technical field of electronic rearview mirrors, and particularly relates to an electronic rearview mirror design capable of realizing early warning of a rear vehicle.
Background
The outside rear-view mirror of car is located the left and right sides of car head, and the car rear-view mirror reflects the circumstances at car rear, side and below, makes the condition at these positions of indirect apparent of driver, and it plays "second eye" effect, has enlarged driver's field of vision, along with the income of electronic rear-view mirror, has carried electronic rear-view mirror in current some motorcycle types, and current electronic rear-view mirror mainly comprises high definition digtal camera and independent liquid crystal display, and is with high costs.
The electronic rearview mirror is a product combination based on a camera and a display, can enhance visual perception of a driver on the periphery and the side rear of a vehicle, further enhances driving safety and comfort, wherein an image acquired by an external camera is displayed on a display screen in a cabin after data processing, and can integrate functions like blind area early warning, obstacle prompting and the like.
Reference is made to the publication No. 1 of the prior patent document: CN219133996U, electronic rearview mirror system, comprising: the camera module comprises a wide-angle lens and a light sensor electrically connected with the wide-angle lens; the display unit is electrically connected with the light sensor, and comprises a main view screen and a wide-angle screen arranged below the main view screen, and the effect of simultaneously displaying images in different ranges on the main view screen and the wide-angle screen can be achieved only by one wide-angle lens, so that the cost and the power consumption can be reduced.
Reference is made to the publication No. 2 of the prior patent document: CN216580337U, automobile electronic rear-view mirror, including fixed the setting in the external mirror shell of automobile, rotate the mirror support that sets up in the mirror shell and the fixed lens that sets up on the mirror support, the mirror surface mouth has been seted up to one side of mirror shell, one side that the mirror support deviates from the lens is provided with the camera, has the automobile display screen that can directly watch the automobile in order to observe the external environmental condition of automobile, uses comparatively convenient effect.
However, the existing electronic rearview mirror is commonly arranged on an expensive vehicle type and belongs to a selective assembly device, but the existing electronic rearview mirror is commonly composed of a camera and an in-vehicle screen, and compared with the traditional rearview mirror, the electronic rearview mirror is expensive and has a relatively deficient function.
Disclosure of Invention
The invention aims to provide an electronic rearview mirror design capable of realizing rear-car early warning, so as to solve the problems that the existing electronic rearview mirror provided in the background art generally appears on a car type with high price and belongs to a selecting device, but the existing electronic rearview mirror generally consists of a camera and an in-car screen, and compared with the traditional rearview mirror, the existing electronic rearview mirror is high in price and has relatively deficient function.
In order to achieve the above purpose, the present invention provides the following technical solutions: an electronic rearview mirror design capable of realizing rear vehicle early warning comprises the following steps:
identifying an image;
calibrating in the early stage;
judging the relative positions of vehicles and people;
judging the relative speed;
judging the steering/overtaking intention of the rear vehicle;
and calculating the motion track of the rear vehicle.
By adopting the scheme, through setting up initiative early warning function, can reduce the frequency that the driver looked the rear-view mirror, reduce driver's burden, set up to highlight and show and add loudspeaker warning, can effectively prompt the driver and come from the danger at car rear, on the basis of current function, catch back car image, through image algorithm analysis, carry out back car orbit early warning, the biggest possible electronic rear-view mirror that utilizes improves driving safety, circuit structure is simple, with low costs, make full use of electronic rear-view mirror, let the electronic rear-view mirror realize the great value.
As a preferred embodiment, the image recognition specifically includes:
the image recognition capability is based on a deep learning algorithm and is used for recognizing pedestrian images, rear vehicle images, road identification lines and the like captured by the rearview mirror camera.
As a preferred embodiment, the pre-calibration specifically includes:
the image area is divided by calibration in the design stage, the vehicle appears on the left side of the right rearview mirror, then the vehicle is right behind the vehicle, if the vehicle appears on the right side of the right rearview mirror, then the vehicle is right behind the vehicle, and similarly, the left rearview mirror is left behind.
As a preferred embodiment, the vehicle/person relative position determination specifically includes:
the relative positions of the vehicles and pedestrians are judged through early calibration, whether the vehicles and the pedestrians are right behind the vehicles or left and right behind the vehicles can be judged, and then the distance between the vehicles and the vehicles is judged through the pixel sizes of the vehicles in the images.
As a preferred embodiment, the relative speed determination specifically includes:
the distance between the corresponding vehicle and the vehicle can be known through the pixel size, 2 time nodes are memorized, and the speed of the target vehicle relative to the vehicle can be calculated through the distance between the target vehicle and the vehicle.
As a preferred embodiment, the rear vehicle steering/overtaking intention judging specifically includes:
and judging whether the target vehicle has a steering lamp or not through an image recognition function, so as to remind a driver of early preparation.
As a preferred embodiment, the rear vehicle motion trajectory calculation specifically includes:
the motion trail of the vehicle can be judged by continuously memorizing the pixel point positions of the rear vehicle and connecting the pixel positions and the pixel point sizes of the target vehicle in the multi-frame image, and if the motion trail of the rear vehicle is abnormal or has overtaking intention, a driver is timely reminded.
As a preferred embodiment, the use of the electronic rear view mirror comprises the steps of:
step one: starting and igniting by a user, starting an electronic rearview mirror, continuously working a camera, and capturing an image of a vehicle behind the vehicle;
step two: identifying a rear vehicle and a pedestrian through image identification;
step three: an X/Y axis is built by taking the vehicle as a center, the position and the distance of the vehicle relative to the vehicle at the moment are calculated through the image size of the vehicle and the display position above a screen, and the estimated travelling track and the vehicle speed of the vehicle are calculated through comparing the vehicle sizes and the screen positions at different times;
step four: the vehicle distance threshold value is set in advance, when the vehicle position reaches the vehicle distance threshold value, the early warning is triggered, the electronic rearview mirror highlights the vehicle, and meanwhile, the vehicle loudspeaker is connected to carry out voice prompt such as 'abnormal rear vehicle, collision risk';
step five: if the speed of the vehicle behind the same lane is higher than that of the vehicle, calculating a travel track, wherein the rear-end collision risk exists, and the electronic rearview mirror highlights the vehicle and is connected with a loudspeaker of the vehicle to carry out voice prompt such as 'abnormal rear vehicle and collision risk';
step six: if the image identifies that the rear vehicle turns on the steering lamp or the track calculation counterpart has the overtaking intention, the electronic rearview mirror highlights the vehicle, and meanwhile, the vehicle loudspeaker is connected to carry out voice prompt such as prompt of 'rear vehicle preparation overtaking'.
Compared with the prior art, the invention has the beneficial effects that:
the electronic rearview mirror design capable of realizing the rearview mirror early warning can reduce the frequency of a driver looking at the rearview mirror and reduce the burden of the driver by arranging the active early warning function;
according to the electronic rearview mirror design capable of realizing the early warning of the rear vehicle, the driver can be effectively prompted of danger from the rear of the vehicle by setting the highlighting and the loudspeaker reminding;
this can realize electron rear-view mirror design of rear-view car early warning is through catching the rear-view car image on the basis of current function, carries out rear-view car orbit early warning through image algorithm analysis, and the biggest possible electronic rear-view mirror that utilizes improves driving safety, and circuit structure is simple, and is with low costs, make full use of electron rear-view mirror, lets the electron rear-view mirror realize great value.
Drawings
FIG. 1 is a flow chart of the electronic rearview mirror design of the present invention;
fig. 2 is a circuit diagram of the electronic rear view mirror of the present invention.
Description of the embodiments
The invention is further described below with reference to examples.
The following examples are illustrative of the present invention but are not intended to limit the scope of the invention. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the invention under the premise of the conception of the invention are all within the scope of the invention as claimed.
Referring to fig. 1-2, the present invention provides an electronic rearview mirror design capable of realizing early warning of a rear vehicle, comprising the following steps:
the image recognition capability of the function is based on a deep learning algorithm and is used for recognizing pedestrian images, rear vehicle images, road identification lines and the like captured by the rearview mirror camera;
earlier stage calibration, namely dividing an image area through calibration in a design stage, wherein a vehicle appears on the left side of a right rearview mirror, then the vehicle is right behind the vehicle, if the vehicle appears on the right side of the right rearview mirror, then the vehicle is right behind the vehicle, and similarly, the left rearview mirror is left behind;
judging the relative position of the vehicle/person, judging the relative position of the vehicle/person through early calibration, judging whether the vehicle/person is right behind the vehicle or left and right behind the vehicle, judging the distance between the vehicle and the vehicle at the moment through the pixel size of the vehicle in an image, determining the actual distance size corresponding to the specific pixel number through early calibration, for example, 100 meters from the vehicle at the moment when 200 pixel points are positioned, and 50 meters (based on the actual calibration) from the vehicle at the moment when 300 pixel points are positioned, judging whether the rear vehicle has collision risk to the vehicle or not according to the judgment, and early warning the vehicle if the rear vehicle has collision risk;
judging the relative speed, namely knowing the distance between the corresponding vehicles and the vehicle through the pixel size, memorizing 2 time nodes, and calculating the speed of the target vehicle relative to the vehicle through the distance between the target vehicle and the vehicle;
judging the steering/overtaking intention of the rear vehicle, and judging whether the target vehicle has a steering lamp or not through an image recognition function, so as to remind a driver of early preparation;
and calculating the motion trail of the rear vehicle, namely continuously memorizing the pixel point positions of the rear vehicle, and connecting the pixel positions and the pixel point sizes of the target vehicle in the multi-frame image to judge the motion trail of the vehicle, wherein if the motion trail of the rear vehicle is abnormal or has overtaking intention, a driver is timely reminded.
And analyzing the rear vehicle image captured by the electronic rearview mirror, calculating the speed of the rear vehicle through an algorithm, pre-judging the running track of the rear vehicle, pre-warning on the electronic rearview mirror in the vehicle in advance, and simultaneously connecting a horn in the vehicle for warning.
An electronic rearview mirror design capable of realizing rear vehicle early warning, the use of the electronic rearview mirror comprises the following steps:
step one: starting and igniting by a user, starting an electronic rearview mirror, continuously working a camera, and capturing an image of a vehicle behind the vehicle;
step two: identifying a rear vehicle and a pedestrian through image identification;
step three: an X/Y axis is built by taking the vehicle as a center, the position and the distance of the vehicle relative to the vehicle at the moment are calculated through the image size of the vehicle and the display position above a screen, and the estimated travelling track and the vehicle speed of the vehicle are calculated through comparing the vehicle sizes and the screen positions at different times;
step four: the vehicle distance threshold value is set in advance, when the vehicle position reaches the vehicle distance threshold value, the early warning is triggered, the electronic rearview mirror highlights the vehicle, and meanwhile, the vehicle loudspeaker is connected to carry out voice prompt such as 'abnormal rear vehicle, collision risk';
step five: if the speed of the vehicle behind the same lane is higher than that of the vehicle, calculating a travel track, wherein the rear-end collision risk exists, and the electronic rearview mirror highlights the vehicle and is connected with a loudspeaker of the vehicle to carry out voice prompt such as 'abnormal rear vehicle and collision risk';
step six: if the image identifies that the rear vehicle turns on the steering lamp or the track calculation counterpart has the overtaking intention, the electronic rearview mirror highlights the vehicle, and meanwhile, the vehicle loudspeaker is connected to carry out voice prompt such as prompt of 'rear vehicle preparation overtaking'.
On the basis of the existing functions of the electronic rearview mirror, rear vehicle images are captured, rear vehicle track early warning is carried out through image algorithm analysis, the electronic rearview mirror is most likely to be utilized, and driving safety is improved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The electronic rearview mirror design capable of realizing the early warning of the rear vehicle is characterized by comprising the following steps of:
identifying an image;
calibrating in the early stage;
judging the relative positions of vehicles and people;
judging the relative speed;
judging the steering/overtaking intention of the rear vehicle;
and calculating the motion track of the rear vehicle.
2. The electronic rearview mirror design for realizing rear vehicle early warning according to claim 1, wherein the image recognition specifically comprises:
the image recognition capability is based on a deep learning algorithm and is used for recognizing pedestrian images, rear vehicle images, road identification lines and the like captured by the rearview mirror camera.
3. The electronic rearview mirror design for realizing rear vehicle early warning according to claim 1, wherein the early calibration specifically comprises:
the image area is divided by calibration in the design stage, the vehicle appears on the left side of the right rearview mirror, then the vehicle is right behind the vehicle, if the vehicle appears on the right side of the right rearview mirror, then the vehicle is right behind the vehicle, and similarly, the left rearview mirror is left behind.
4. The electronic rearview mirror design for realizing early warning of a rear vehicle according to claim 1, wherein the vehicle/person relative position judgment specifically comprises:
the relative positions of the vehicles and pedestrians are judged through early calibration, whether the vehicles and the pedestrians are right behind the vehicles or left and right behind the vehicles can be judged, and then the distance between the vehicles and the vehicles is judged through the pixel sizes of the vehicles in the images.
5. The electronic rearview mirror design for realizing rear vehicle early warning according to claim 1, wherein the relative speed judgment specifically comprises:
the distance between the corresponding vehicle and the vehicle can be known through the pixel size, 2 time nodes are memorized, and the speed of the target vehicle relative to the vehicle can be calculated through the distance between the target vehicle and the vehicle.
6. The electronic rearview mirror design for realizing rear vehicle early warning according to claim 1, wherein the rear vehicle steering/overtaking intention judgment specifically comprises:
and judging whether the target vehicle has a steering lamp or not through an image recognition function, so as to remind a driver of early preparation.
7. The electronic rearview mirror design capable of realizing rear vehicle early warning according to claim 1, wherein the rear vehicle movement track calculation specifically comprises:
the motion trail of the vehicle can be judged by continuously memorizing the pixel point positions of the rear vehicle and connecting the pixel positions and the pixel point sizes of the target vehicle in the multi-frame image, and if the motion trail of the rear vehicle is abnormal or has overtaking intention, a driver is timely reminded.
8. The electronic rearview mirror design for realizing rear vehicle warning according to claim 1, wherein the use of the electronic rearview mirror comprises the following steps:
step one: starting and igniting by a user, starting an electronic rearview mirror, continuously working a camera, and capturing an image of a vehicle behind the vehicle;
step two: identifying a rear vehicle and a pedestrian through image identification;
step three: an X/Y axis is built by taking the vehicle as a center, the position and the distance of the vehicle relative to the vehicle at the moment are calculated through the image size of the vehicle and the display position above a screen, and the estimated travelling track and the vehicle speed of the vehicle are calculated through comparing the vehicle sizes and the screen positions at different times;
step four: the vehicle distance threshold value is set in advance, when the vehicle position reaches the vehicle distance threshold value, the early warning is triggered, the electronic rearview mirror highlights the vehicle, and meanwhile, the vehicle loudspeaker is connected to carry out voice prompt such as 'abnormal rear vehicle, collision risk';
step five: if the speed of the vehicle behind the same lane is higher than that of the vehicle, calculating a travel track, wherein the rear-end collision risk exists, and the electronic rearview mirror highlights the vehicle and is connected with a loudspeaker of the vehicle to carry out voice prompt such as 'abnormal rear vehicle and collision risk';
step six: if the image identifies that the rear vehicle turns on the steering lamp or the track calculation counterpart has the overtaking intention, the electronic rearview mirror highlights the vehicle, and meanwhile, the vehicle loudspeaker is connected to carry out voice prompt such as prompt of 'rear vehicle preparation overtaking'.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311352264.9A CN117445806A (en) | 2023-10-19 | 2023-10-19 | Electronic rearview mirror design capable of realizing early warning of rear vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311352264.9A CN117445806A (en) | 2023-10-19 | 2023-10-19 | Electronic rearview mirror design capable of realizing early warning of rear vehicle |
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| CN117445806A true CN117445806A (en) | 2024-01-26 |
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| CN202311352264.9A Pending CN117445806A (en) | 2023-10-19 | 2023-10-19 | Electronic rearview mirror design capable of realizing early warning of rear vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118025215A (en) * | 2024-03-11 | 2024-05-14 | 镁佳(北京)科技有限公司 | Overtaking determination method, overtaking determination device, computer equipment and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118025215A (en) * | 2024-03-11 | 2024-05-14 | 镁佳(北京)科技有限公司 | Overtaking determination method, overtaking determination device, computer equipment and storage medium |
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