CN106448259B - A kind of method, apparatus and system of vehicle early warning - Google Patents
A kind of method, apparatus and system of vehicle early warning Download PDFInfo
- Publication number
- CN106448259B CN106448259B CN201510483719.XA CN201510483719A CN106448259B CN 106448259 B CN106448259 B CN 106448259B CN 201510483719 A CN201510483719 A CN 201510483719A CN 106448259 B CN106448259 B CN 106448259B
- Authority
- CN
- China
- Prior art keywords
- distance
- described vehicle
- front vehicles
- vehicle
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Traffic Control Systems (AREA)
Abstract
The invention discloses a kind of methods of vehicle early warning, comprising: at a distance from front vehicles, the fatigue strength of the speed of the front vehicles and described vehicle driver, the front vehicles are the vehicle positioned at this front side for the speed that obtains this vehicle, described vehicle；According to the speed of described vehicle, the speed of the front vehicles, the fatigue strength and safe distance between vehicles model of described vehicle driver, the safe distance of described vehicle and the front vehicles is determined；When described vehicle is less than the safe distance at a distance from the front vehicles, early warning information is exported.The method of vehicle early warning provided in an embodiment of the present invention has fully considered the fatigue state of driver when determining safe distance, therefore the early warning exported is more acurrate, improves the accuracy of vehicle early warning.
Description
Technical field
The present invention relates to traffic safety technical fields, and in particular to a kind of method, apparatus and system of vehicle early warning.
Background technique
Currently, all having carried out considerable exploration in terms of preventing deviation and keeping safe distance both at home and abroad, and take
Obtained some breakthroughs.Currently, relatively broad use monocular vision technique to apply in frontal collisions early warning system (Forward
Collision Warning System, FCW) guarantee traffic safety.
Monocular vision technique are as follows: using the image of video camera acquisition road image and front vehicles, according to collecting
Image realize road detection and distance measurement.
Frontal collisions early warning (Forward Collision Warning, FCW) system can monitoring front vehicles, judgement
The distance between this vehicle and front truck, orientation and relative velocity, alert driver when there are potential danger.FCW system
Itself any brake measure will not be taken to go to avoid collision or control vehicle.
FCW system is usually to utilize imaging sensor perception road ahead traffic environment and Obstacle Position, realizes safety
Range measurement advantageously reduces traffic accident to the automobile and alarm that are in risk of collision, improves traffic safety.Safety
Distance is usually to be determined according to the reaction time of this vehicle present speed, preceding vehicle speed, driver, if Ben Che and front truck
Distance is less than safe distance, then alarms.But driver's reaction time in the state of difference is different, and safe distance is too small, exists
Security risk, safe distance is excessive, can often will appear and be expected inconsistent alarm with driver, disturb the row of driver
It sails, driver is caused to reduce the confidence level of early warning system to the distrust of early warning system.
Summary of the invention
In order to solve the problems, such as that vehicle early warning is with a low credibility in the prior art, the embodiment of the present invention provides a kind of vehicle early warning
Method, fully considered the fatigue state of this vehicle driver when determining safe distance, therefore the early warning exported is more quasi-
Really, the accuracy of vehicle early warning is improved.The embodiment of the present invention also provides corresponding devices and system.
First aspect present invention provides a kind of method of vehicle early warning, comprising:
The speed of this vehicle, described vehicle are obtained at a distance from front vehicles, the speed of the front vehicles and described vehicle
The fatigue strength of driver, the front vehicles are the vehicle positioned at this front side；
According to the speed of described vehicle, the speed of the front vehicles, the fatigue strength and accident-free vehicle of described vehicle driver
Away from model, the safe distance of described vehicle and the front vehicles is determined；
When described vehicle is less than the safe distance at a distance from the front vehicles, early warning information is exported.
Second aspect of the present invention provides a kind of device of vehicle early warning, comprising:
Module is obtained, the speed, described vehicle for obtaining this vehicle are at a distance from front vehicles, the speed of the front vehicles
The fatigue strength of degree and described vehicle driver, the front vehicles are the vehicle positioned at this front side；
Determining module, the speed of described vehicle, the speed of the front vehicles for being obtained according to the acquisition module,
The fatigue strength and safe distance between vehicles model of described vehicle driver, determines the safe distance of described vehicle and the front vehicles；
Output module, the described vehicle for obtaining when the acquisition module are less than described at a distance from the front vehicles
When the safe distance that determining module determines, early warning information is exported.
Third aspect present invention provides a kind of frontal collisions early warning system, comprising: speed data collection device, the first Image Acquisition
Device, the second image collecting device, central processing unit and prior-warning device；
The speed data collection device is used to acquire the speed of this vehicle；
The first image acquisition device is used to acquire the image of front vehicles, and the image of the front vehicles is for determining
For described vehicle at a distance from the front vehicles, the front vehicles are the vehicle positioned at this front side；
Second image collecting device is used to acquire the facial feature information of this vehicle driver；
The central processing unit is used for:
According to described vehicle at a distance from the front vehicles, the speed relatively of described vehicle and the front vehicles is determined
Degree, and determine according to the speed of described vehicle and the relative velocity speed of the front vehicles；
According to the facial feature information of described vehicle driver, the fatigue strength of described vehicle driver is determined；
According to the speed of described vehicle, the speed of the front vehicles, the fatigue strength and accident-free vehicle of described vehicle driver
Away from model, the safe distance of described vehicle and the front vehicles is determined；
When the prior-warning device is used to be less than the safe distance at a distance from the front vehicles when described vehicle, output
Early warning information.
The embodiment of the present invention uses the speed for obtaining this vehicle, described vehicle at a distance from front vehicles, the front vehicles
Speed and described vehicle driver fatigue strength, the front vehicles be positioned at this front side vehicle；According to described
The speed of this vehicle, the speed of the front vehicles, the fatigue strength and safe distance between vehicles model of described vehicle driver, determine described
The safe distance of vehicle and the front vehicles；When described vehicle is less than the safe distance at a distance from the front vehicles,
Export early warning information.Compared with safe distance fixed in the prior art, vehicle early warning provided in an embodiment of the present invention
Method has fully considered the fatigue state of this vehicle driver when determining safe distance, therefore the early warning exported is more acurrate,
Improve the accuracy of vehicle early warning.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is an embodiment schematic diagram of frontal collisions early warning system in the embodiment of the present invention；
Fig. 2 is an embodiment schematic diagram of the method for vehicle early warning in the embodiment of the present invention；
Fig. 3 is an embodiment schematic diagram of the device of vehicle early warning in the embodiment of the present invention；
Fig. 4 is another embodiment schematic diagram of the device of vehicle early warning in the embodiment of the present invention；
Fig. 5 is another embodiment schematic diagram of the device of vehicle early warning in the embodiment of the present invention；
Fig. 6 is another embodiment schematic diagram of the device of vehicle early warning in the embodiment of the present invention；
Fig. 7 is another embodiment schematic diagram of the device of vehicle early warning in the embodiment of the present invention；
Fig. 8 is an embodiment schematic diagram of terminal relevant to vehicle early warning in the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention provides a kind of method of vehicle early warning, has fully considered driver's when determining safe distance
Fatigue state, therefore the early warning exported is more acurrate, improves the accuracy of vehicle early warning.The embodiment of the invention also provides
Corresponding apparatus and system.It is described in detail separately below.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Fig. 1 is an embodiment schematic diagram of frontal collisions early warning system in the embodiment of the present invention.
Refering to fig. 1, frontal collisions early warning system provided in an embodiment of the present invention includes:
Speed data collection device 100, the first image collecting device 200, the second image collecting device 300, central processing unit
400, prior-warning device 500 and human-computer interaction device 600, speed data collection device 100, the first image collecting device 200, the second image
Acquisition device 300, prior-warning device 500 and human-computer interaction device 600 are all communicated to connect with central processing unit 400.Speed data collection
Device 100, the first image collecting device 200, the second image collecting device 300, central processing unit 400,500 and of prior-warning device
Human-computer interaction device 600 is all mounted on this vehicle.Speed data collection device 100 can be sensor or global positioning system Global
Positioning System, GPS), speed data collection device 100 can be collected by directly reading the running speed of instrument board
The speed of this vehicle, and the numerical value of the speed of this vehicle is sent to central processing unit 400, the first image collecting device 200, second
Image collecting device 300 can be camera, be also possible to industrial camera or the devices such as image pick-up card.First image is adopted
Acquisition means 200 are for acquiring described vehicle at a distance from the front vehicles.First image collecting device 200 acquires this front side
Road image, the video flowing of road image is transferred to central processing unit 400, the acquisition of the second image collecting device 300 this
The facial feature information of vehicle driver, that is, facial image, and the video flowing of facial image is transferred to central processing unit
400。
Central processing unit 400 can be central processing unit (CPU, the Central Processing of monokaryon or multicore
Unit).Central processing unit 400 carries out image preprocessing to the road image that the first image processing apparatus 200 is sent, extracts this
The information of vehicles of front side, using the vehicle identification method based on monocular vision of current comparative maturity, this system using
Method based on template matching and machine learning can also be analyzed using other methods such as analysis of texture, edge feature
Deng measuring this vehicle and front vehicles distance D, and Ben Che and front vehicles are calculated according to Ben Che at a distance from front vehicles
Relative velocity.
Measure the ranging mould based on monocular vision that this vehicle generallys use current comparative maturity with front vehicles distance D
Type, it is based on pinhole imaging system principle.Vanishing point distance on image is infinity, point more on the lower, apart from closer.It is not examining
In the case where considering pattern distortion, it is assumed that camera focus f, mounting height h, pitch angle θ, image y-axis direction is downward, coordinate
Range (0-1.0), center point coordinate are (uc, vc), and the coordinate of vehicle bottom midpoint on the image is (u, v), then distance D
Are as follows:
After obtaining distance D, pass through timing measuring, so that it may obtain the relative velocity of Ben Che and front vehicles.
In the embodiment of the present invention, ranging, pinhole imaging system principle of monocular vision etc. are all the prior arts, this place is different again and again
It explains.
Central processing unit 400 carries out the face image for this vehicle driver that the transmission of the second image processing apparatus 300 comes
Feature extraction, it is main to extract information, the mouth information such as human eye state etc., to detect the fatigue state of driver.The body of driver
Body state can recorde as F, can be divided into normal, tired two states, can also be divided into according to actual needs normal, medium tired
Three kinds of labor, major fatigue states, naturally it is also possible to be divided into various states.
This part uses the technology of current comparative maturity, identifies face from image first, extracts multiple features such as human eye
Point information is opened or is closed using the method identification eye state of pattern classification.It then, generally can be with by statistical analysis
Judge whether driver is tired by PERCLOS method, or carrys out comprehensive assessment in conjunction with indexs such as frequency of wink, mouth states
Fatigue strength.
In the speed of this vehicle, Ben Che at a distance from front vehicles, relative velocity, this vehicle driver of Ben Che and front vehicles
Fatigue strength all determine after, so that it may in conjunction with the safe distance between vehicles model of this vehicle driver fatigue F, determination is suitble to this vehicle driver
The safe distance between vehicles of current fatigue strength, that is, the safe distance of Ben Che and the front vehicles.
Step 1: it is calculated using the following equation too conservative standard security spacing, the standard reaction of corresponding this vehicle driver
Time Ts, such as: it assume that Ts=1s.The speed Vs of this vehicle comes from sensor or GPS, and the speed Vq of front vehicles can lead to
The speed and opposite speed for crossing this vehicle acquire.In view of front truck brakes suddenly, the case where this vehicle also wants emergency brake, by Ben Che and
The deceleration of front truck is both configured to an empirical, such as: 8m/s2.D0 is minimum range, it is assumed that is 2m.D0 is exactly two vehicles
The shortest distance after emergency brake.
Then standard security spacing model is as follows:
Wherein, Ls is standard security spacing, Vs is the speed of this vehicle, Vq is the speed of front vehicles, abFor subtracting for this vehicle
Speed, aqFor the deceleration of front vehicles, D0 is the shortest distance after two vehicle emergency brakes.After the above parameter is all known, just
Standard security spacing Ls can be calculated by the standard security spacing model.
Step 2: in order to adapt to the reaction time of different drivers difference, it is different to the cognition of safe distance between vehicles, allow user
The susceptibility S (0-1.0) or reaction time T0, T0 that oneself is arranged by the human-computer interaction device 600 in Fig. 1 are generally
0.4s -1.5s defaults 1.0s, can adjust according to actual needs.Reaction time longer driver, susceptibility is higher, is answering
Used time can convert sensitivity coefficient X for susceptibility or reaction time.
Step 3: calculating actual sensitivity coefficient X according to this vehicle driver fatigue F.
If F==" normal ", X=T0/Ts；
If F==" moderate fatigue ", X=(T0+T1)/Ts, T1 are generally set to 0.2s, can adjust according to the actual situation
Section, wherein T1 can be arranged for system, naturally it is also possible to be user setting.
If F==" major fatigue ", X=(T0+T2)/Ts, T2 are generally set to 0.5s, can adjust according to the actual situation
Section, wherein T2 can be arranged for system, naturally it is also possible to be user setting.
The corresponding relationship of only a kind of fatigue strength and sensitivity coefficient described herein, in fact, fatigue strength and sensitivity
The corresponding relationship of degree coefficient can also indicate that especially sensitivity coefficient is only counted with the reaction time in number with other forms
It calculates, in fact, sensitivity coefficient can also be calculated according to the susceptibility S that user inputs, being certainly also not necessarily limited to other can be with
The calculation expected.
Step 4: calculating alarm security spacing L1=Ls*X used in reality, remind safe distance between vehicles L2=Ls* that (X+ is pre-
Set value).The preset value can be 1.0, alarm security spacing L1=Ls*X, and reminding spacing L2=Ls* (X+1.0) is fatigue safety
Spacing model.
The corresponding relationship of safe distance between vehicles as described herein and standard security spacing and sensitivity coefficient be also not necessarily limited to this two
Kind, such as: it can also be L1=Ls*X+1, L2=Ls*X+5, wherein and 1 and 5 are merely illustrative, and can also be other numerical value,
Excessive restriction is not done in this place.
And judge whether front vehicles are dangerous, export front truck alert status FCW_State.
If spacing D >=L2, FCW_State=" safety " extinguishes indicator light, does not alarm；Spacing D is Ben Che and front
The actual range of vehicle.
If spacing D >=L1, FCW_State=" careful ", light indicator light, this vehicle driver is reminded to pay attention to front truck；
If spacing D < L1, FCW_State=" danger ", indicator light flashing, and issue serious alarm sound.
It can according to need and sound is controlled in more detail.The sound and volume of alarm can according to fatigue strength F into
Row is adjusted, and when this vehicle driver is not tired, is only made a sound smaller than milder prompt tone, will not be interfered driving at this time
People；Loud alarm is issued when tired, seriously when alarm, sound is maximum, plays best warning function.
By above example as it can be seen that compared with safe distance fixed in the prior art, front provided in an embodiment of the present invention
Collision warning systems have fully considered the fatigue state of this vehicle driver when determining safe distance, therefore the early warning exported mentions
Show more acurrate, improves the accuracy of vehicle early warning.
Referring to Fig.2, an embodiment of the method for vehicle early warning provided in an embodiment of the present invention includes:
101, the speed of this vehicle, described vehicle are obtained at a distance from front vehicles, the speed of the front vehicles and described
The fatigue strength of this vehicle driver, the front vehicles are the vehicle positioned at this front side.
The speed of this vehicle can be arrived by sensor or GPS gathers, and described vehicle can lead at a distance from front vehicles
The road conditions for crossing camera or other this front sides of image acquisition device obtain, and the fatigue of described vehicle driver can be with
This vehicle driver's facial image is acquired by camera, and is obtained after carrying out signature analysis to facial image.
102, according to the speed of described vehicle, the speed of the front vehicles, the fatigue strength and peace of described vehicle driver
Full spacing model, determines the safe distance of described vehicle and the front vehicles.
103, when being less than the safe distance at a distance from the front vehicles when described vehicle, output early warning letter
Breath.
In the embodiment of the present invention, the speed of this vehicle, described vehicle are obtained at a distance from front vehicles, the front vehicles
The fatigue strength of speed and described vehicle driver, the front vehicles are the vehicle positioned at this front side；According to described
The speed of vehicle, the speed of the front vehicles, the fatigue strength and safe distance between vehicles model of described vehicle driver, determine described vehicle
With the safe distance of the front vehicles；It is defeated when described vehicle is less than the safe distance at a distance from the front vehicles
Early warning information out.Compared with safe distance fixed in the prior art, the side of vehicle early warning provided in an embodiment of the present invention
Method has fully considered the fatigue state of this vehicle driver when determining safe distance, therefore the early warning exported is more acurrate, mentions
The high accuracy of vehicle early warning.
Optionally, on the basis of above-mentioned Fig. 2 corresponding embodiment, the method for vehicle early warning provided in an embodiment of the present invention
First alternative embodiment in, the speed of this vehicle, the described vehicle of obtaining is at a distance from front vehicles, the front vehicles
Speed and described vehicle driver fatigue strength, may include:
Acquire the facial feature information of the speed of this vehicle, the image of front vehicles and described vehicle driver, the front
The image of vehicle is for determining described vehicle at a distance from the front vehicles；
According to described vehicle at a distance from the front vehicles, the speed relatively of described vehicle and the front vehicles is determined
Degree, and determine according to the speed of described vehicle and the relative velocity speed of the front vehicles；
According to the facial feature information of described vehicle driver, the fatigue strength of described vehicle driver is determined.
In the embodiment of the present invention, Ben Che at a distance from the front vehicles, state front vehicles speed and this vehicle drive
The fatigue strength of member can the associated description of part refering to fig. 1 understood that this place, which is not done, excessively to be repeated.
Optionally, on the basis of first alternative embodiment of the method for above-mentioned vehicle early warning, the embodiment of the present invention is mentioned
In second alternative embodiment of the method for the vehicle early warning of confession, the speed according to described vehicle, the front vehicles
Speed, the fatigue strength and safe distance between vehicles model of described vehicle driver, determine the safety of described vehicle and the front vehicles away from
From may include:
According to the standard peace in the speed and the safe distance between vehicles model of the speed of described vehicle and the front vehicles
Full spacing model, determines the standard security distance of described vehicle Yu the front vehicles；
According to the fatigue strength and the standard security distance of described vehicle driver, described vehicle and the front vehicle are determined
Safe distance.
In the embodiment of the present invention, fatigue strength is positively related with safe distance, that is, when driver fatigue, safety away from
It is big from just, it is safe distance with regard to small when fatigue strength is small, because the reaction time of driver is just grown when fatigue strength is big, needs bigger
Safe distance.
In the embodiment of the present invention, standard security spacing model, standard security distance, the safety of Ben Che and the front vehicles
Distance can be understood that this place, which is not done, excessively to be repeated refering to associated description of the above-mentioned first step into the 4th step.
The safe distance that Ben Che and front vehicles are expressed in the embodiment of the present invention is not fixed and invariable, but according to this
The fatigue strength dynamic adjustment of vehicle driver, in this way, safe distance is just big when this vehicle driver fatigue, increase safety.
Optionally, on the basis of second alternative embodiment of the method for above-mentioned vehicle early warning, the embodiment of the present invention is mentioned
In the third alternative embodiment of the method for the vehicle early warning of confession,
The fatigue strength and the standard security distance according to described vehicle driver, determine described vehicle and it is described before
The safe distance of square vehicle may include:
According to the fatigue strength of described vehicle driver, fatigue strength and the corresponding relationship for reacting sensitivity coefficient, determine described in
The corresponding current reaction sensitivity coefficient of the fatigue strength of this vehicle driver, the reaction sensitivity coefficient input anti-according to user
Sensitive parameter is answered to determine；
According to the current reaction sensitivity coefficient and the standard security distance and distance correspondence, institute is determined
State the safe distance of Ben Che Yu the front vehicles, the distance correspondence is safe distance and standard security distance and react
The corresponding relationship of sensitivity coefficient.
In the embodiment of the present invention, fatigue strength is associated with sensitivity coefficient is reacted, and fatigue strength is big, and reaction sensitivity coefficient is just
Greatly, the parameter that can be inputted by user by interactive interface of reaction sensitivity coefficient and system determine jointly, such as: user can be with
Perhaps reacting susceptibility system by the interactive interface input reaction time can be in conjunction with the reaction time or reaction that user inputs
Susceptibility calculates corresponding reaction sensitivity coefficient, such as: when calculated by the reaction time react sensitivity coefficient when, can be with
Understood refering to the description in above-mentioned third step.When the reaction sensitivity coefficient can be for the corresponding reaction of different fatigue degree
Between ratio with the standard reaction time.
Optionally, on the basis of the third alternative embodiment of the method for above-mentioned vehicle early warning, the embodiment of the present invention is mentioned
It is described according to the current reaction sensitivity coefficient and the mark in 4th alternative embodiment of the method for the vehicle early warning of confession
Quasi- safe distance and distance correspondence determine the safe distance of described vehicle and the front vehicles, may include:
According in the current reaction sensitivity coefficient and the standard security distance and the distance correspondence
First corresponding relationship determines alarm security distance；
According in the current reaction sensitivity coefficient and the standard security distance and the distance correspondence
Second corresponding relationship determines and reminds safe distance.
In the embodiment of the present invention, the first corresponding relationship can be the L1=Ls*X or L1=Ls*X+ in above-mentioned 4th step
1, the second corresponding relationship can be L2=Ls* (X+ preset value) or L2=Ls*X+5 in above-mentioned 4th step.
Wherein, a kind of implementation may is that
The standard security distance is determined as described vehicle and the front with the product for reacting sensitivity coefficient
The alarm security distance of vehicle；
The standard security distance and the product for reminding coefficient are determined as described vehicle and the front vehicles
Safe distance is reminded, the prompting coefficient is the sum of the reaction sensitivity coefficient and pre-set factory value, the pre-set factory value
Greater than 0.
Optionally, on the basis of the 4th alternative embodiment of the method for above-mentioned vehicle early warning, the embodiment of the present invention is mentioned
It is described when described vehicle is less than at a distance from the front vehicles in 5th alternative embodiment of the method for the vehicle early warning of confession
When the safe distance, early warning information is exported, may include:
When described vehicle at a distance from the front vehicles be less than the alarm security apart from when, output warning note letter
Breath；
When described vehicle at a distance from the front vehicles be less than the prompting safe distance, and be greater than the alarm security
Apart from when, output safety prompting message.
The embodiment of the present invention can be understood that this place, which is not done, excessively to be repeated refering to the description in above-mentioned 4th step.
Optionally, on the basis of the embodiment of the method for above-mentioned vehicle early warning or any alternative embodiment, the present invention is real
In the 6th alternative embodiment for applying the method for the vehicle early warning of example offer, the output early warning information may include:
According to the fatigue strength of described vehicle driver, different mode corresponding with the fatigue strength of described vehicle driver is exported
Early warning information, the early warning information of the different mode includes the auditory tone cues information and/or difference of different volumes
The light prompt information of color.
The early warning of different mode may include the light prompt of different colours in the embodiment of the present invention, and volume is different
Auditory tone cues, such as: when fatigue strength is larger, the volume of alarm is also big, or is prompted by light flash red, when tired
Labor degree hour can be prompted with lesser volume, or pass through green light flash for prompting, naturally it is also possible to which light and sound mention simultaneously
Show, the color of light is also not specifically limited.It is not limited to light and auditory tone cues in certain embodiment of the present invention, can also be passed through
Other modes carry out warning note.
The embodiment of the present invention can be understood that this place, which is not done, excessively to be repeated refering to the description in above-mentioned 4th step.
The device of vehicle early warning provided in an embodiment of the present invention can be precious, navigation in preposition and rear camera road etc.
Vehicle-mounted product is also possible to have preposition and rear camera user equipment, such as: terminal.
Fig. 3 is an embodiment schematic diagram of the device of vehicle early warning in the embodiment of the present invention, and refering to Fig. 3, the present invention is implemented
An embodiment of device 20 for the vehicle early warning that example provides includes:
Module 201 is obtained, the speed, described vehicle for obtaining this vehicle are at a distance from front vehicles, the front vehicles
Speed and described vehicle driver fatigue strength, the front vehicles be positioned at this front side vehicle；
Determining module 202, speed, the front vehicles of the described vehicle for being obtained according to the acquisition module 201
Speed, the fatigue strength and safe distance between vehicles model of described vehicle driver, determine the safety of described vehicle and the front vehicles
Distance；
Output module 203, the described vehicle for obtaining when the acquisition module are less than at a distance from the front vehicles
When the safe distance that the determining module determines, early warning information is exported.
In the embodiment of the present invention, obtains module 201 and obtain the speed of this vehicle, described vehicle at a distance from front vehicles, institute
The speed of front vehicles and the fatigue strength of described vehicle driver are stated, the front vehicles are the vehicle positioned at this front side
?；It is the speed of described vehicle that determining module 202 is obtained according to the acquisition module 201, the speed of the front vehicles, described
The fatigue strength and safe distance between vehicles model of this vehicle driver, determines the safe distance of described vehicle and the front vehicles；Export mould
Block 203 is less than the institute that the determining module determines when the described vehicle that the acquisition module obtains at a distance from the front vehicles
When stating safe distance, early warning information is exported.Compared with safe distance fixed in the prior art, the embodiment of the present invention is provided
Vehicle early warning device, fully considered the fatigue state of driver when determining safe distance, therefore the early warning exported mentions
Show more acurrate, improves the accuracy of vehicle early warning.
Optionally, on the basis of above-mentioned Fig. 3 corresponding embodiment, refering to Fig. 4, vehicle provided in an embodiment of the present invention is pre-
In first alternative embodiment of alert device 20, the acquisition module 201 includes:
Acquisition unit 2011, for acquiring the speed, the image of front vehicles and the face of described vehicle driver of this vehicle
Characteristic information, the image of the front vehicles is for determining described vehicle at a distance from the front vehicles；
First determination unit 2012, described vehicle and the front vehicles for being acquired according to the acquisition unit 2011
Distance, determine the relative velocity of described vehicle and the front vehicles, and according to the speed of described vehicle and described relatively fast
Degree determines the speed of the front vehicles；
The face of second determination unit 2013, the described vehicle driver for being acquired according to the acquisition unit 2011 is special
Reference breath, determines the fatigue strength of described vehicle driver.
Optionally, on the basis of above-mentioned Fig. 4 corresponding embodiment, refering to Fig. 5, vehicle provided in an embodiment of the present invention is pre-
In second alternative embodiment of alert device 20, the determining module 202 includes:
Third determination unit 2021, for according to the speed of described vehicle, the speed of the front vehicles and the peace
Standard security spacing model in full spacing model, determines the standard security distance of described vehicle Yu the front vehicles；
4th determination unit 2022, for the fatigue strength and the third determination unit 2021 according to described vehicle driver
The determining standard security distance, determines the safe distance of described vehicle and the front vehicles.
Optionally, on the basis of above-mentioned Fig. 5 corresponding embodiment, refering to Fig. 6, vehicle provided in an embodiment of the present invention is pre-
In the third alternative embodiment of alert device 20, the 4th determination unit 2022 includes:
First determine subelement 20221, for the fatigue strength according to described vehicle driver, fatigue strength with react susceptibility
The corresponding relationship of coefficient, determines the corresponding current reaction sensitivity coefficient of the fatigue strength of described vehicle driver, and the reaction is quick
Sensitivity coefficient is determined according to the reaction sensitive parameter that user inputs；
Second determines subelement 20222, for determining the determining current reaction of subelement 20221 according to described first
Sensitivity coefficient and the standard security distance and distance correspondence, determine the peace of described vehicle and the front vehicles
Full distance, the distance correspondence are safe distance with standard security distance and react the corresponding relationship of sensitivity coefficient.
Optionally, on the basis of above-mentioned Fig. 6 corresponding embodiment, the device of vehicle early warning provided in an embodiment of the present invention
In 20 the 4th alternative embodiment,
Second determines that subelement 20222 is used for:
According in the current reaction sensitivity coefficient and the standard security distance and the distance correspondence
First corresponding relationship determines alarm security distance；
According in the current reaction sensitivity coefficient and the standard security distance and the distance correspondence
Second corresponding relationship determines and reminds safe distance.
Optionally, on the basis of the 4th alternative embodiment of the device of above-mentioned vehicle early warning, the embodiment of the present invention is mentioned
In 5th alternative embodiment of the device 20 of the vehicle early warning of confession,
The output module 203, for when described vehicle with the front vehicles at a distance from less than the alarm security away from
From when, export prompt messages；When described vehicle is less than the prompting safe distance at a distance from the front vehicles, and it is big
In the alarm security apart from when, output safety prompting message.
Optionally, on the basis of any embodiment of the device of above-mentioned vehicle early warning, vehicle provided in an embodiment of the present invention
In 6th alternative embodiment of the device 20 of early warning,
The output module 203, for the fatigue strength according to described vehicle driver, output is with described vehicle driver's
The early warning information of the corresponding different mode of fatigue strength, the early warning information of the different mode include the sound of different volumes
The light prompt information of sound prompt information and/or different colours.
Each embodiment of the device of vehicle early warning provided in an embodiment of the present invention can be related to the part Fig. 2 refering to fig. 1
Description is understood that this place, which is not done, excessively to be repeated.
A kind of hardware configuration of the device of vehicle early warning is present embodiments provided, it is shown in Figure 7, a kind of vehicle early warning
The hardware configuration of device may include:
Transceiving device, software components and hardware device three parts；
Transceiving device is the hardware circuit for completing pack receiving and transmitting；
Hardware device can also claim " hardware processing module " or simpler, can be also simply referred to as " hardware ", hardware device master
It to include certain to realize based on FPGA, ASIC etc special hardware circuit (can also cooperate other support devices, such as memory)
The hardware circuit of specific function, processing speed is often many fastly compared to general processor, but function one is customized, is just difficult
Change, therefore, implements and not flexible, commonly used to handle the function of some fixations.It should be noted that hardware device exists
It also may include MCU (microprocessor, such as single-chip microcontroller) or CPU processor in practical application, but the master of these processors
Wanting function is not to complete the processing of big data, and be mainly used for carrying out some controls, under this application scenarios, by these devices
The system of part collocation is hardware device.
Software components (or also simple " software ") mainly include that general processor (such as CPU) and some are matched
Device (such as memory, hard disk store equipment), can allow processor to have corresponding processing function by programming, with software come
It, can speed be slow compared to for hardware device according to business flexible configuration, but often when realization.It, can be with after software has been handled
The data handled are sent by transceiving device by hardware device, can also be connected by one with transceiving device
Interface sends the data handled to transceiving device.
In the present embodiment, transceiving device is for acquiring the image of front vehicles, the facial image of this vehicle driver and pre-
The output of alert prompt information.
The other function of hardware device and software components has been discussed in detail in the aforementioned embodiment, and which is not described herein again.
With reference to the accompanying drawing with regard to acquisition unit can be by camera, output module can be by loudspeaker, indicator light Lai
Realize, determining module can be can by processor execute memory in program or instruction come the technical solution realized do in detail
Thin introduction:
The embodiment of the invention also provides the device of another vehicle early warning, the device of the vehicle early warning be can be by one
A host connects a subsidiary engine to realize, host may is that such as automobile data recorder, mobile phone with camera and central processing
The terminal of unit.Subsidiary engine can be a camera, and the vehicle early warning in the embodiment of the present invention is realized in main and auxiliaries connection
Function.As shown in figure 8, for ease of description, only parts related to embodiments of the present invention are shown, particular technique details is not taken off
Show, please refers to present invention method part.The terminal can be include mobile phone, tablet computer, PDA (Personal
Digital Assistant, personal digital assistant), vehicle-mounted computer, Lu Bao, any terminal device such as navigation terminal.
Fig. 8 shows the block diagram with the part-structure of terminal 800 provided in an embodiment of the present invention.With reference to Fig. 8, terminal packet
It includes: the first camera 810, memory 820, input unit 830, display unit 840, sensor 850, voicefrequency circuit 860, processing
The components such as device 880 and power supply 890.Terminal 800 and second camera 900 communicate to connect.Those skilled in the art can manage
Solution, the restriction of the not structure paired terminal of terminal structure shown in Fig. 8, may include than illustrating more or fewer components, or
Person combines certain components or different component layouts.
It is specifically introduced below with reference to each component parts of the Fig. 8 to terminal:
First camera 810 can be used for acquiring the image of front vehicles；
Memory 820 can be used for storing software program and module, and processor 880 is stored in memory 820 by operation
Software program and module, thereby executing the various function application and data processing of terminal.Memory 820 can mainly include
Storing program area and storage data area, wherein storing program area can application journey needed for storage program area, at least one function
Sequence (such as sound-playing function, image player function etc.) etc.；Storage data area can be stored to be created according to using for terminal
Data (such as audio data, phone directory etc.) etc..It, can be in addition, memory 820 may include high-speed random access memory
Including nonvolatile memory, for example, at least a disk memory, flush memory device or other volatile solid-states
Part.
Input unit 830 can be used for receiving the number or character information of input, and generate the user setting with terminal 800
And the related key signals input of function control.Specifically, input unit 830 may include touch panel 831 and other inputs
Equipment 832.Touch panel 831, also referred to as touch screen, collecting the touch operation of user on it or nearby, (for example user makes
With the operation of any suitable object or attachment such as finger, stylus on touch panel 831 or near touch panel 831), and
Corresponding attachment device is driven according to preset formula.Optionally, touch panel 831 may include touch detecting apparatus and touching
Touch two parts of controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation bring letter
Number, transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into
Contact coordinate, then give processor 880, and order that processor 880 is sent can be received and executed.Furthermore, it is possible to using
The multiple types such as resistance-type, condenser type, infrared ray and surface acoustic wave realize touch panel 831.It is defeated in addition to touch panel 831
Entering unit 830 can also include other input equipments 832.Specifically, other input equipments 832 can include but is not limited to physics
One of keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc. are a variety of.
Input unit 830 inputs reflecting time or sensitivity coefficient etc. for user in embodiments of the present invention.
Display unit 840 can be used for showing information input by user or be supplied to user information and terminal it is various
Menu.Display unit 840 may include indicator light 841, optionally, can use liquid crystal display (Liquid Crystal
Display, LCD), the forms such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) refer to configure
Show lamp 841.Further, touch panel 831 can cover indicator light 841, when touch panel 831 detects on it or nearby
After touch operation, processor 880 is sent to determine the type of touch event, is followed by subsequent processing device 880 according to the class of touch event
Type provides corresponding visual output on indicator light 841.Although in fig. 8, touch panel 831 and indicator light 841 are as two
A independent component realizes the input and input function of terminal, but in some embodiments it is possible to by touch panel 831 with
Indicator light 841 is integrated and that realizes terminal output and input function.
Indicator light 841 is in embodiments of the present invention for exporting early warning information.
Terminal 800 may also include at least one sensor 850, and sensor 850 is in embodiments of the present invention for acquiring this
The speed of vehicle, for example, it may be GPS, but it is not limited to GPS.
Voicefrequency circuit 860, loudspeaker 861, microphone 862 can provide the audio interface between user and terminal.Audio-frequency electric
Electric signal after the audio data received conversion can be transferred to loudspeaker 861, be converted to sound by loudspeaker 861 by road 860
Signal output；On the other hand, the voice signal of collection is converted to electric signal by microphone 862, is turned after being received by voicefrequency circuit 860
It is changed to audio data, then by after the processing of audio data output processor 880, is sent to through the first camera 810 such as another
Terminal, or audio data is exported to memory 820 to be further processed.
Loudspeaker 861 is in embodiments of the present invention for exporting early warning information.
Second camera 900 is used to acquire the facial image of this vehicle driver.
Processor 880 is the control centre of terminal, using the various pieces of various interfaces and the entire terminal of connection, is led to
It crosses operation or executes the software program and/or module being stored in memory 820, and call and be stored in memory 820
Data execute the various functions and processing data of terminal, to carry out integral monitoring to terminal.Optionally, processor 880 can wrap
Include one or more processing units；Preferably, processor 880 can integrate application processor and modem processor, wherein answer
With the main processing operation system of processor, user interface and application program etc., modem processor mainly handles wireless communication.
It is understood that above-mentioned modem processor can not also be integrated into processor 880.
Processor 880 is in embodiments of the present invention for determining the safe distance of described vehicle and the front vehicles.
Terminal 800 further includes the power supply 890 (such as battery) powered to all parts, it is preferred that power supply can pass through electricity
Management system and processor 880 are logically contiguous, to realize management charging, electric discharge and power consumption by power-supply management system
The functions such as management.
Although being not shown, terminal 800 can also include radio frequency (Radio Frequency, RF) circuit, Wireless Fidelity
(wireless fidelity, WiFi) module, bluetooth module etc., details are not described herein.
In embodiments of the present invention, processor 880 included by the terminal is also with the following functions:
The speed of this vehicle, described vehicle are obtained at a distance from front vehicles, the speed of the front vehicles and described vehicle
The fatigue strength of driver, the front vehicles are the vehicle positioned at this front side；
According to the speed of described vehicle, the speed of the front vehicles, the fatigue strength and accident-free vehicle of described vehicle driver
Away from model, the safe distance of described vehicle and the front vehicles is determined；
When described vehicle is less than the safe distance at a distance from the front vehicles, early warning information is exported.
Above embodiments, compared with safe distance fixed in the prior art, terminal provided in an embodiment of the present invention, true
The fatigue state of this vehicle driver is fully considered when Dingan County's full distance, therefore the early warning exported is more acurrate, improves vehicle
The accuracy of early warning.
Optionally, the speed for obtaining this vehicle, described vehicle are at a distance from front vehicles, the speed of the front vehicles
With the fatigue strength of described vehicle driver, may include:
Acquire the facial feature information of the speed of this vehicle, the image of front vehicles and described vehicle driver, the front
The image of vehicle is for determining described vehicle at a distance from the front vehicles；
According to described vehicle at a distance from the front vehicles, the speed relatively of described vehicle and the front vehicles is determined
Degree, and determine according to the speed of described vehicle and the relative velocity speed of the front vehicles；
According to the facial feature information of described vehicle driver, the fatigue strength of described vehicle driver is determined.
Optionally, described according to the speed of described vehicle, the speed of the front vehicles, the fatigue of described vehicle driver
Degree and safe distance between vehicles model, determine the safe distance of described vehicle and the front vehicles, may include:
According to the standard peace in the speed and the safe distance between vehicles model of the speed of described vehicle and the front vehicles
Full spacing model, determines the standard security distance of described vehicle Yu the front vehicles；
According to the fatigue strength and the standard security distance of described vehicle driver, described vehicle and the front vehicle are determined
Safe distance.
Optionally, the fatigue strength and the standard security distance according to described vehicle driver, determines described vehicle
With the safe distance of the front vehicles, comprising:
According to the fatigue strength of described vehicle driver, fatigue strength and the corresponding relationship for reacting sensitivity coefficient, determine described in
The corresponding current reaction sensitivity coefficient of the fatigue strength of this vehicle driver, the reaction sensitivity coefficient input anti-according to user
Sensitive parameter is answered to determine；
According to the current reaction sensitivity coefficient and the standard security distance and distance correspondence, institute is determined
State the safe distance of Ben Che Yu the front vehicles, the distance correspondence is safe distance and standard security distance and react
The corresponding relationship of sensitivity coefficient.
Optionally, described according to the current reaction sensitivity coefficient and the standard security distance, and apart from correspondence
Relationship determines the safe distance of described vehicle and the front vehicles, comprising:
According in the current reaction sensitivity coefficient and the standard security distance and the distance correspondence
First corresponding relationship determines alarm security distance；
According in the current reaction sensitivity coefficient and the standard security distance and the distance correspondence
Second corresponding relationship determines and reminds safe distance.
Optionally, it is described when described vehicle at a distance from the front vehicles be less than the safe distance when, export early warning
Prompt information, comprising:
When described vehicle at a distance from the front vehicles be less than the alarm security apart from when, output warning note letter
Breath；
When described vehicle at a distance from the front vehicles be less than the prompting safe distance, and be greater than the alarm security
Apart from when, output safety prompting message.
Optionally, the output early warning information may include:
According to the fatigue strength of described vehicle driver, different mode corresponding with the fatigue strength of described vehicle driver is exported
Early warning information.
Scheme described in the part Fig. 8 can the associated description refering to fig. 1 to the part Fig. 7 understood that this place was not done
It repeats more.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: ROM, RAM, disk or CD etc..
The method, apparatus and system for being provided for the embodiments of the invention vehicle early warning above are described in detail,
Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used
In facilitating the understanding of the method and its core concept of the invention；At the same time, for those skilled in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as
Limitation of the present invention.
Claims (15)
1. a kind of method of vehicle early warning characterized by comprising
Obtain the speed of this vehicle, described vehicle at a distance from front vehicles, the speed of the front vehicles and described vehicle drive
The fatigue strength of member, the front vehicles are the vehicle positioned at this front side；
According to the speed of described vehicle, the speed of the front vehicles, the fatigue strength and safe distance between vehicles mould of described vehicle driver
Type determines the safe distance of described vehicle and the front vehicles；
When described vehicle is less than the safe distance at a distance from the front vehicles, early warning information is exported.
2. the method according to claim 1, wherein speed, described vehicle and the front vehicle for obtaining this vehicle
Distance, the fatigue strength of the speed of the front vehicles and described vehicle driver, comprising:
Acquire the facial feature information of the speed of this vehicle, the image of front vehicles and described vehicle driver, the front vehicles
Image for determining described vehicle at a distance from the front vehicles；
According to described vehicle at a distance from the front vehicles, the relative velocity of described vehicle and the front vehicles is determined, and
The speed of the front vehicles is determined according to the speed of described vehicle and the relative velocity；
According to the facial feature information of described vehicle driver, the fatigue strength of described vehicle driver is determined.
3. according to the method described in claim 2, it is characterized in that, the speed according to described vehicle, the front vehicles
Speed, the fatigue strength and safe distance between vehicles model of described vehicle driver, determine the safety of described vehicle and the front vehicles
Distance, comprising:
According to the standard security vehicle in the speed and the safe distance between vehicles model of the speed of described vehicle and the front vehicles
Away from model, the standard security distance of described vehicle Yu the front vehicles is determined；
According to the fatigue strength and the standard security distance of described vehicle driver, described vehicle and the front vehicles are determined
Safe distance.
4. according to the method described in claim 3, it is characterized in that, the fatigue strength according to described vehicle driver and described
Standard security distance determines the safe distance of described vehicle and the front vehicles, comprising:
According to the fatigue strength of described vehicle driver, fatigue strength and the corresponding relationship for reacting sensitivity coefficient determine described vehicle
The corresponding current reaction sensitivity coefficient of the fatigue strength of driver, the reaction that the reaction sensitivity coefficient is inputted according to user are quick
Feel parameter to determine；
According to the current reaction sensitivity coefficient and the standard security distance and distance correspondence, described is determined
The safe distance of vehicle and the front vehicles, the distance correspondence are safe distance and standard security distance and react sensitivity
Spend the corresponding relationship of coefficient.
5. according to the method described in claim 4, it is characterized in that, described according to the current reaction sensitivity coefficient and described
Standard security distance and distance correspondence determine the safe distance of described vehicle and the front vehicles, comprising:
According to first in the current reaction sensitivity coefficient and the standard security distance and the distance correspondence
Corresponding relationship determines alarm security distance；
According to second in the current reaction sensitivity coefficient and the standard security distance and the distance correspondence
Corresponding relationship determines and reminds safe distance.
6. according to the method described in claim 5, it is characterized in that, described when described vehicle is small at a distance from the front vehicles
When the safe distance, early warning information is exported, comprising:
When described vehicle at a distance from the front vehicles be less than the alarm security apart from when, export prompt messages；
When described vehicle at a distance from the front vehicles be less than the prompting safe distance, and be greater than the alarm security distance
When, output safety prompting message.
7. -6 any method according to claim 1, which is characterized in that the output early warning information includes:
According to the fatigue strength of described vehicle driver, the pre- of different mode corresponding with the fatigue strength of described vehicle driver is exported
Alert prompt information, the early warning information of the different mode includes the auditory tone cues information and/or different colours of different volumes
Light prompt information.
8. a kind of device of vehicle early warning characterized by comprising
Obtain module, for obtain the speed of this vehicle, described vehicle at a distance from front vehicles, the speed of the front vehicles and
The fatigue strength of described vehicle driver, the front vehicles are the vehicle positioned at this front side；
Determining module, it is the speed of described vehicle, the speed of the front vehicles for being obtained according to the acquisition module, described
The fatigue strength and safe distance between vehicles model of this vehicle driver, determines the safe distance of described vehicle and the front vehicles；
Output module, the described vehicle for obtaining when the acquisition module are less than the determination at a distance from the front vehicles
When the safe distance that module determines, early warning information is exported.
9. device according to claim 8, which is characterized in that the acquisition module includes:
Acquisition unit, for acquiring the speed, the image of front vehicles and the facial feature information of described vehicle driver of this vehicle,
The image of the front vehicles is for determining described vehicle at a distance from the front vehicles；
First determination unit, the described vehicle for being acquired according to the acquisition unit determine at a distance from the front vehicles
The relative velocity of described vehicle and the front vehicles, and according to the speed of described vehicle and the relative velocity determine it is described before
The speed of square vehicle；
Second determination unit, the facial feature information of the described vehicle driver for being acquired according to the acquisition unit determine
The fatigue strength of described vehicle driver.
10. device according to claim 9, which is characterized in that the determining module includes:
Third determination unit, for according to the speed of described vehicle, the speed of the front vehicles and the safe distance between vehicles mould
Standard security spacing model in type, determines the standard security distance of described vehicle Yu the front vehicles；
4th determination unit, the mark for being determined according to the fatigue strength of described vehicle driver and the third determination unit
Quasi- safe distance determines the safe distance of described vehicle and the front vehicles.
11. device according to claim 10, which is characterized in that the 4th determination unit includes:
First determines subelement, for the fatigue strength according to described vehicle driver, fatigue strength and pair for reacting sensitivity coefficient
It should be related to, determine the corresponding current reaction sensitivity coefficient of the fatigue strength of described vehicle driver, the reaction sensitivity coefficient
It is determined according to the reaction sensitive parameter of user's input；
Second determines subelement, for determining the determining current reaction sensitivity coefficient of subelement and institute according to described first
Standard security distance and distance correspondence are stated, determines the safe distance of described vehicle and the front vehicles, the distance
Corresponding relationship is safe distance with standard security distance and reacts the corresponding relationship of sensitivity coefficient.
12. device according to claim 11, which is characterized in that
Second determines that subelement is used for:
According to first in the current reaction sensitivity coefficient and the standard security distance and the distance correspondence
Corresponding relationship determines alarm security distance；
According to second in the current reaction sensitivity coefficient and the standard security distance and the distance correspondence
Corresponding relationship determines and reminds safe distance.
13. device according to claim 12, which is characterized in that
The output module, for when described vehicle at a distance from the front vehicles be less than the alarm security apart from when, it is defeated
Prompt messages out；When described vehicle is less than the prompting safe distance at a distance from the front vehicles, and it is greater than described
Alarm security apart from when, output safety prompting message.
14. according to any device of claim 8-13, which is characterized in that
The output module, for the fatigue strength according to described vehicle driver, the fatigue strength of output and described vehicle driver
The early warning information of corresponding different mode, the early warning information of the different mode include the auditory tone cues of different volumes
The light prompt information of information and/or different colours.
15. a kind of frontal collisions early warning system characterized by comprising speed data collection device, the first image collecting device,
Two image collecting devices, central processing unit and prior-warning device；
The speed data collection device is used to acquire the speed of this vehicle；
The first image acquisition device is used to acquire the image of front vehicles, and the image of the front vehicles is for described in determination
For this vehicle at a distance from the front vehicles, the front vehicles are the vehicle positioned at this front side；
Second image collecting device is used to acquire the facial feature information of this vehicle driver；
The central processing unit is used for:
According to described vehicle at a distance from the front vehicles, the relative velocity of described vehicle and the front vehicles is determined, and
The speed of the front vehicles is determined according to the speed of described vehicle and the relative velocity；
According to the facial feature information of described vehicle driver, the fatigue strength of described vehicle driver is determined；
According to the speed of described vehicle, the speed of the front vehicles, the fatigue strength and safe distance between vehicles mould of described vehicle driver
Type determines the safe distance of described vehicle and the front vehicles；
When the prior-warning device is used to be less than the safe distance at a distance from the front vehicles when described vehicle, early warning is exported
Prompt information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510483719.XA CN106448259B (en) | 2015-08-07 | 2015-08-07 | A kind of method, apparatus and system of vehicle early warning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510483719.XA CN106448259B (en) | 2015-08-07 | 2015-08-07 | A kind of method, apparatus and system of vehicle early warning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106448259A CN106448259A (en) | 2017-02-22 |
| CN106448259B true CN106448259B (en) | 2019-03-15 |
Family
ID=58092394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510483719.XA Active CN106448259B (en) | 2015-08-07 | 2015-08-07 | A kind of method, apparatus and system of vehicle early warning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106448259B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044638A (en) * | 2019-04-19 | 2019-07-23 | 奇瑞汽车股份有限公司 | Test method, device and the storage medium of lane holding function |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641467A (en) * | 2018-06-25 | 2020-01-03 | 广州汽车集团股份有限公司 | Vehicle distance control method and device of adaptive cruise system |
| CN108583564B (en) * | 2018-06-27 | 2024-01-19 | 江苏省计量科学研究院 | Safety running system for vehicle |
| CN110682791A (en) * | 2018-07-04 | 2020-01-14 | 青岛海尔空调器有限总公司 | Method, apparatus, system, and computer-readable storage medium for vehicle control |
| CN109977753B (en) * | 2019-01-17 | 2023-12-05 | 深圳市元征科技股份有限公司 | Early warning method and vehicle |
| CN109741630A (en) * | 2019-01-18 | 2019-05-10 | 爱驰汽车有限公司 | Away from threshold value of warning adjusting method, system, equipment and storage medium when automobile |
| CN109886148A (en) * | 2019-01-29 | 2019-06-14 | 唐山明天科技有限公司 | A kind of driver's active warning system and device based on recognition of face |
| CN109887336A (en) * | 2019-02-21 | 2019-06-14 | 武昌理工学院 | A kind of vehicle driving safety method for real-time monitoring and system |
| CN110097783A (en) * | 2019-05-15 | 2019-08-06 | 芜湖汽车前瞻技术研究院有限公司 | Vehicle early warning method and system |
| CN110444014A (en) * | 2019-07-01 | 2019-11-12 | 淮阴工学院 | The anti-method for early warning that knocks into the back based on reversed ST-MRF vehicle tracking algorithm |
| CN113744561B (en) * | 2020-05-28 | 2022-11-11 | 广州汽车集团股份有限公司 | Vehicle early warning method and device |
| CN111959517B (en) * | 2020-08-20 | 2021-09-24 | 中国第一汽车股份有限公司 | Distance prompting method and device, computer equipment and storage medium |
| CN112124320A (en) * | 2020-09-10 | 2020-12-25 | 恒大新能源汽车投资控股集团有限公司 | Vehicle control method and system and vehicle |
| CN113060158B (en) * | 2021-04-09 | 2022-08-30 | 北京嘀嘀无限科技发展有限公司 | Driving early warning method, device and medium based on multi-mode data |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0443131A (en) * | 1990-06-07 | 1992-02-13 | Omron Corp | Fuzzy controller for fatigue degree of driver |
| CN101089906A (en) * | 2006-06-14 | 2007-12-19 | 吴玉沈 | Active vehicle driver fatigue driving alarm device and method |
| JP2011145922A (en) * | 2010-01-15 | 2011-07-28 | Toyota Motor Corp | Vehicle speed control device |
| CN104123808A (en) * | 2014-07-28 | 2014-10-29 | 无锡北斗星通信息科技有限公司 | Running speed and driver fatigue state based ship warning system |
-
2015
- 2015-08-07 CN CN201510483719.XA patent/CN106448259B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0443131A (en) * | 1990-06-07 | 1992-02-13 | Omron Corp | Fuzzy controller for fatigue degree of driver |
| CN101089906A (en) * | 2006-06-14 | 2007-12-19 | 吴玉沈 | Active vehicle driver fatigue driving alarm device and method |
| JP2011145922A (en) * | 2010-01-15 | 2011-07-28 | Toyota Motor Corp | Vehicle speed control device |
| CN104123808A (en) * | 2014-07-28 | 2014-10-29 | 无锡北斗星通信息科技有限公司 | Running speed and driver fatigue state based ship warning system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044638A (en) * | 2019-04-19 | 2019-07-23 | 奇瑞汽车股份有限公司 | Test method, device and the storage medium of lane holding function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106448259A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106448259B (en) | A kind of method, apparatus and system of vehicle early warning | |
| CN206797260U (en) | A kind of rearview mirror for showing biological response information | |
| US20190357834A1 (en) | Driver and passenger health and sleep interaction | |
| CN108961681B (en) | Fatigue driving reminding method and device and storage medium | |
| CN104008664B (en) | Road condition information acquisition method and relevant apparatus | |
| CN109087485B (en) | Driving reminding method and device, intelligent glasses and storage medium | |
| WO2022062658A1 (en) | Alcohol detection-based intelligent driving control method and apparatus | |
| JP2007249477A (en) | Onboard information transmission device | |
| CN105139583A (en) | Vehicle danger prompting method based on portable intelligent equipment | |
| CN106412394A (en) | Safe travel device suitable for phubbing on roads | |
| US11518305B2 (en) | Techniques for generating vehicle-to-pedestrian (V2P) communications based on driver monitoring | |
| CN109421733A (en) | Driver condition grasps device, driver condition grasps system and method | |
| CN103198618A (en) | Mobile phone capable of preventing fatigue driving and warning method | |
| CN109104689B (en) | Safety warning method and terminal | |
| CN113763670A (en) | Alarm method and device, electronic equipment and storage medium | |
| CN108494786A (en) | A kind of emergency vehicle based reminding method, server and mobile terminal | |
| WO2017189203A1 (en) | System and method for identifying and responding to passenger interest in autonomous vehicle events | |
| CN111477334A (en) | Target area reminding method and electronic equipment | |
| CN108877120A (en) | On-vehicle safety drives terminal and safety driving system | |
| US11556175B2 (en) | Hands-free vehicle sensing and applications as well as supervised driving system using brainwave activity | |
| CN108639056B (en) | Driving state detection method and device and mobile terminal | |
| CN207565580U (en) | fatigue driving monitoring device | |
| CN108100018A (en) | A kind of intelligent steering wheel with somatic data monitoring and fingerprint identification function | |
| CN106379232B (en) | The method and device that belongings are reminded | |
| CN204600504U (en) | Based on the fatigue driving early warning glasses of SPCE061A |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230706 Address after: 518000 Tencent Building, No. 1 High-tech Zone, Nanshan District, Shenzhen City, Guangdong Province, 35 Floors Patentee after: TENCENT TECHNOLOGY (SHENZHEN) Co.,Ltd. Patentee after: TENCENT CLOUD COMPUTING (BEIJING) Co.,Ltd. Address before: 2, 518000, East 403 room, SEG science and Technology Park, Zhenxing Road, Shenzhen, Guangdong, Futian District Patentee before: TENCENT TECHNOLOGY (SHENZHEN) Co.,Ltd. |