CN111301281A - Safe driving reminding method and system and vehicle - Google Patents
Safe driving reminding method and system and vehicle Download PDFInfo
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- CN111301281A CN111301281A CN201911130975.5A CN201911130975A CN111301281A CN 111301281 A CN111301281 A CN 111301281A CN 201911130975 A CN201911130975 A CN 201911130975A CN 111301281 A CN111301281 A CN 111301281A
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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Abstract
The invention provides a safe driving reminding method, a system and a vehicle, wherein the method comprises the following steps: collecting front pavement image information in real time; preprocessing the road surface image information; recognizing the left and right boundary of the lane according to the preprocessed image; generating a simulation image according to the recognition result of the left and right boundary of the lane; acquiring a central position line of the vehicle and displaying the central position line in the simulated image; acquiring the distance from the center position line to the left boundary of the lane as the left distance and the distance from the center position line to the right boundary as the right distance; when the change value of the left side distance and/or the right side distance is larger than a preset threshold value in preset time, determining that lane changing is prepared; collecting a vehicle steering lamp signal; and if the turn signal is not acquired, prompting the driver to turn on the turn light. The driving state is confirmed by recognizing the change of the distance between the left and right dividing lines of the lane and the center line of the vehicle, and the user is reminded not to fatigue drive and to operate the vehicle by paying attention to correct and safe driving by acquiring whether the turn lamp is turned on.
Description
Technical Field
The invention belongs to the technical field of intelligent driving, and particularly relates to a safe driving reminding method, a safe driving reminding system and a vehicle.
Background
At present, with the improvement of living standard of people, automobiles are increasingly becoming necessary transportation tools for daily trips of people. At present, the speed of automobiles running on an expressway is high, people running for a long time are easy to fatigue and traffic accidents compared with ordinary urban roads, the high-speed traffic accidents are all catastrophic, China faces a huge number of traffic accidents every year, a large part of the people are fatigue driving, steering lamps are forgotten to be turned on when lane changing is carried out, and most of the existing vehicles cannot remind a driver user of reminding the driver after improper operation.
In view of the above, there is a need for a vehicle that can solve the above-mentioned problems, confirm the driving state by recognizing the change in the distance between the left and right lane boundaries and the center line of the vehicle, and remind the driver of the vehicle for driving without fatigue and operate the vehicle with a proper safety by acquiring whether or not the turn signal is turned on.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a safe driving reminding method, a safe driving reminding system and a safe driving reminding vehicle, and aims to solve the problems that in the prior art, the driver is tired to drive off a lane, and the driver is not intelligently reminded if the driver forgets to turn on a turn light.
In order to achieve the purpose, the invention adopts the following technical scheme:
a safe driving reminding method is characterized by comprising the following steps:
collecting front pavement image information in real time;
preprocessing the pavement image information;
recognizing the left and right boundary of the lane according to the preprocessed image;
generating a simulation image according to the recognition result of the left and right boundary of the lane;
acquiring a central position line of a vehicle driving forwards on a current road, and displaying the central position line in the simulation image;
acquiring the distance from the central position line to the left boundary of the lane as the left distance and the distance from the central position line to the right boundary as the right distance;
when the change value of the left side distance and/or the right side distance is larger than a preset threshold value within preset time, determining that lane change is prepared;
collecting a vehicle steering lamp signal;
if the turn signal is not obtained, the driver is prompted to pay attention to turning on the turn signal.
Preferably, the mode for prompting the driver to pay attention to turning on the turn light is voice prompt.
Preferably, the content of the voice prompt is 'turn please note turn on turn signal light'.
Preferably, the method further comprises prompting the driver to "do not fatigue drive, pay attention to the lane" when the difference between the left side distance and the right side distance is greater than a preset threshold and the left side distance and the right side distance are greater than zero.
Preferably, the method further comprises setting a function switch for turning on and off the reminding function.
In addition, the present invention further provides a safe driving reminding system, which is characterized by comprising:
the image acquisition module is used for acquiring the image information of the front road surface in real time;
the image preprocessing module is used for preprocessing the road surface image information;
the lane recognition module is used for recognizing left and right boundary lines of a lane according to the preprocessed image;
the image simulation module is used for generating a simulation image according to the recognition result of the left and right boundary of the lane;
a center position line recognition module for acquiring a center position line of a vehicle traveling forward on a current road, and displaying the center position line in the simulation image;
the distance monitoring module is used for acquiring that the distance from the central position line to the left boundary of the lane is a left distance and the distance from the central position line to the right boundary is a right distance;
the turn signal acquisition module is used for acquiring a vehicle turn signal;
and the reminding module is used for reminding a driver of turning on the steering lamp if the steering lamp turn-on signal is not acquired.
Preferably, the reminding module is a voice reminding device.
Preferably, the system further comprises a function switch for switching on and off the reminder system.
The invention further provides a vehicle, which is characterized by comprising the safe driving reminding system of any one of the claims 6 to 8.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a safe driving reminding method, a system and a vehicle, wherein the method comprises the following steps: collecting front pavement image information in real time; preprocessing the pavement image information; recognizing the left and right boundary of the lane according to the preprocessed image; generating a simulation image according to the recognition result of the left and right boundary of the lane; acquiring a central position line of a vehicle driving forwards on a current road, and displaying the central position line in the simulation image; acquiring the distance from the central position line to the left boundary of the lane as the left distance and the distance from the central position line to the right boundary as the right distance; when the change value of the left side distance and/or the right side distance is larger than a preset threshold value within preset time, determining that lane change is prepared; collecting a vehicle steering lamp signal; if the turn signal is not obtained, the driver is prompted to pay attention to turning on the turn signal. The driving state is confirmed by recognizing the change of the distance between the left and right dividing lines of the lane and the center line of the vehicle, and the user is reminded not to fatigue drive and to operate the vehicle by paying attention to correct and safe driving by acquiring whether the turn lamp is turned on.
Drawings
FIG. 1 is a flow chart of a safe driving reminding method according to the present invention;
fig. 2 is a block diagram of the safety driving reminding system of the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-2, the safe driving reminding method provided by the invention comprises the following steps:
collecting front pavement image information in real time;
preprocessing the pavement image information;
recognizing the left and right boundary of the lane according to the preprocessed image;
generating a simulation image according to the recognition result of the left and right boundary of the lane;
acquiring a central position line of a vehicle driving forwards on a current road, and displaying the central position line in the simulation image;
acquiring the distance from the central position line to the left boundary of the lane as the left distance and the distance from the central position line to the right boundary as the right distance;
when the change value of the left side distance and/or the right side distance is larger than a preset threshold value within preset time, determining that lane change is prepared;
collecting a vehicle steering lamp signal;
if the turn signal is not obtained, the driver is prompted to pay attention to turning on the turn signal.
Specifically, the image acquisition devices are mounted on the top of the vehicle and the rearview mirrors to acquire road images in the driving process of the vehicle in real time, the mounting height and the mounting angle of the image acquisition devices can be adjusted according to actual conditions, so that the image acquisition devices can accurately acquire the road images, and the specific acquisition time interval is determined according to actual requirements, such as 20 frames per second. And preprocessing the road surface image information, namely performing gray scale transformation and gray scale dynamic range adjustment on the acquired image, and performing morphological top hat operation. And then, carrying out inverse perspective transformation on the preprocessed image to obtain an inverse perspective gray image of the road, carrying out inverse perspective transformation on the preprocessed image, converting the acquired single image from a two-dimensional space to a three-dimensional space by combining with depth information to obtain an inverse perspective gray image of the front road condition, wherein in the inverse perspective image, the road boundary is a vertical straight line, so that the working difficulty of subsequent detection can be reduced, and the image can be more accurately identified. The method comprises the steps of generating a simulation image of the left and right boundary lines of a lane after recognition, obtaining the position of the center position of a vehicle in the simulation image in a relative positioning mode, marking the center position line of the vehicle in the simulation image, obtaining the distance from the center position line to the left boundary line of the lane according to the image collected by an image collecting device and the proportion of the simulation image as the left side distance, and similarly, obtaining the other side as the right side distance.
In some embodiments, the manner of prompting the driver to pay attention to turning on the turn signal is voice prompt, and the driver user is reminded through voice.
In some embodiments, the voice prompt is "turn please note turn on turn signal".
In some embodiments, the method further comprises prompting the driver to "do not fatigue drive, pay attention to the lane" when the difference between the left side distance and the right side distance is greater than a preset threshold and the left side distance and the right side distance are greater than zero, wherein the driving state is that the driver drives on one side of the lane, deviates from the middle, and is caused by fatigue driving for a large part.
In some embodiments, the method further comprises setting a function switch for turning on and off the reminding function, and the user can select whether to turn on the function according to own preference and requirement.
In addition, the present invention further provides a safe driving reminding system, which is characterized by comprising:
the image acquisition module is used for acquiring the image information of the front road surface in real time;
the image preprocessing module is used for preprocessing the road surface image information;
the lane recognition module is used for recognizing left and right boundary lines of a lane according to the preprocessed image;
the image simulation module is used for generating a simulation image according to the recognition result of the left and right boundary of the lane;
a center position line recognition module for acquiring a center position line of a vehicle traveling forward on a current road, and displaying the center position line in the simulation image;
the distance monitoring module is used for acquiring that the distance from the central position line to the left boundary of the lane is a left distance and the distance from the central position line to the right boundary is a right distance;
the turn signal acquisition module is used for acquiring a vehicle turn signal;
and the reminding module is used for reminding a driver of turning on the steering lamp if the steering lamp turn-on signal is not acquired.
In some embodiments, the alert module is a voice alert device.
In some embodiments, the system further comprises a function switch for turning the reminder system on and off.
The invention further provides a vehicle, which is characterized by comprising the safe driving reminding system of any one of the claims 6 to 8.
In summary, the working principle of the invention is as follows:
the invention provides a safe driving reminding method, a system and a vehicle, wherein the method comprises the following steps: collecting front pavement image information in real time; preprocessing the pavement image information; recognizing the left and right boundary of the lane according to the preprocessed image; generating a simulation image according to the recognition result of the left and right boundary of the lane; acquiring a central position line of a vehicle driving forwards on a current road, and displaying the central position line in the simulation image; acquiring the distance from the central position line to the left boundary of the lane as the left distance and the distance from the central position line to the right boundary as the right distance; when the change value of the left side distance and/or the right side distance is larger than a preset threshold value within preset time, determining that lane change is prepared; collecting a vehicle steering lamp signal; if the turn signal is not obtained, the driver is prompted to pay attention to turning on the turn signal. The driving state is confirmed by recognizing the change of the distance between the left and right dividing lines of the lane and the driving center line of the vehicle, and whether a turn light is turned on or not is acquired to remind a user not to drive fatigue and to operate the vehicle by driving correctly and safely, so that safety accidents are avoided.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (9)
1. A safe driving reminding method is characterized by comprising the following steps:
collecting front pavement image information in real time;
preprocessing the pavement image information;
recognizing the left and right boundary of the lane according to the preprocessed image;
generating a simulation image according to the recognition result of the left and right boundary of the lane;
acquiring a central position line of a vehicle driving forwards on a current road, and displaying the central position line in the simulation image;
acquiring the distance from the central position line to the left boundary of the lane as the left distance and the distance from the central position line to the right boundary as the right distance;
when the change value of the left side distance and/or the right side distance is larger than a preset threshold value within preset time, determining that lane change is prepared;
collecting a vehicle steering lamp signal;
if the turn signal is not obtained, the driver is prompted to pay attention to turning on the turn signal.
2. The safe driving reminding method according to claim 1, wherein the mode for reminding the driver of turning on the turn signal lamp is a voice prompt.
3. The safe driving reminding method according to claim 2, wherein the voice prompt is "turn the lane please note turn the turn signal on".
4. The safe driving reminding method according to claim 1, further comprising prompting the driver to "do not fatigue drive, pay attention to the lane" when the difference between the left distance and the right distance is greater than a preset threshold and the left distance and the right distance are greater than zero.
5. A method for reminding a driver of a safe driving according to claim 1, further comprising setting a function switch for turning on and off the reminding function.
6. The utility model provides a safe driving warning system which characterized in that includes:
the image acquisition module is used for acquiring the image information of the front road surface in real time;
the image preprocessing module is used for preprocessing the road surface image information;
the lane recognition module is used for recognizing left and right boundary lines of a lane according to the preprocessed image;
the image simulation module is used for generating a simulation image according to the recognition result of the left and right boundary of the lane;
a center position line recognition module for acquiring a center position line of a vehicle traveling forward on a current road, and displaying the center position line in the simulation image;
the distance monitoring module is used for acquiring that the distance from the central position line to the left boundary of the lane is a left distance and the distance from the central position line to the right boundary is a right distance;
the turn signal acquisition module is used for acquiring a vehicle turn signal;
and the reminding module is used for reminding a driver of turning on the steering lamp if the steering lamp turn-on signal is not acquired.
7. A safe driving reminding system as claimed in claim 6, wherein the reminding module is a voice reminding device.
8. A safety driving reminder system according to claim 6, wherein the system further comprises a function switch for turning the reminder system on and off.
9. A vehicle comprising a safe driving reminder system according to any one of claims 6 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911130975.5A CN111301281A (en) | 2019-11-19 | 2019-11-19 | Safe driving reminding method and system and vehicle |
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| CN201911130975.5A CN111301281A (en) | 2019-11-19 | 2019-11-19 | Safe driving reminding method and system and vehicle |
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| JP2010173367A (en) * | 2009-01-27 | 2010-08-12 | Denso Corp | Lane deviation warning device |
| CN107599957A (en) * | 2017-08-30 | 2018-01-19 | 北京新能源汽车股份有限公司 | Steering lamp state prompting method and device and automobile |
| CN108216024A (en) * | 2017-12-14 | 2018-06-29 | 浙江鼎奕科技发展有限公司 | A kind of Lane Departure Warning System and its method |
-
2019
- 2019-11-19 CN CN201911130975.5A patent/CN111301281A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007153203A (en) * | 2005-12-07 | 2007-06-21 | Nissan Motor Co Ltd | Vehicular rear side part warning device and method |
| JP2010173367A (en) * | 2009-01-27 | 2010-08-12 | Denso Corp | Lane deviation warning device |
| CN107599957A (en) * | 2017-08-30 | 2018-01-19 | 北京新能源汽车股份有限公司 | Steering lamp state prompting method and device and automobile |
| CN108216024A (en) * | 2017-12-14 | 2018-06-29 | 浙江鼎奕科技发展有限公司 | A kind of Lane Departure Warning System and its method |
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