CN106043120A - Detection device and detection method for distracted driving of driver - Google Patents
Detection device and detection method for distracted driving of driver Download PDFInfo
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- CN106043120A CN106043120A CN201610516839.XA CN201610516839A CN106043120A CN 106043120 A CN106043120 A CN 106043120A CN 201610516839 A CN201610516839 A CN 201610516839A CN 106043120 A CN106043120 A CN 106043120A
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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
- 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
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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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
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
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Abstract
The invention provides a detection device and a detection method for distracted driving of a driver, which comprises a non-contact eye tracker, an intelligent CAN converter, small infrared correlation detection sensors, two medium infrared correlation sensors, an alarm unit and a processing unit, wherein the non-contact eye tracker is arranged above a vehicle instrument panel and below a windshield, the intelligent CAN converter is arranged at a free position below a vehicle central console, the small infrared correlation detection sensors are arranged around the vehicle central console, the two medium infrared correlation sensors are arranged between the position, which is flush with a front row of seats, of the top in a vehicle and one side, close to the side of the seats of the central console, of the side of the. The invention has the beneficial effects that: the investment cost is low, the method is suitable for large-scale popularization, the detection method is intelligent and automatic, operation is not needed, and the reliability is high.
Description
Technical field
The present invention relates to safe driving of vehicle technical field, particularly relate to a kind of driver and divert one's attention to drive detection device and inspection
Survey method.
Background technology
Along with popularizing of current automobile, vehicle-mounted man-machine interactive system is the most increasingly widely used, and modal is exactly vehicle-mounted
Middle control screen.The operation of vehicle-mounted middle control screen contains the most contents of car entertainment, and adding along with vehicle intellectualized degree
Deeply, from strength to strength, in actual driving procedure, driver goes out outside normal operating and controlling vehicle the function of middle control screen, certain for meeting
Entertainment requirements or the application of vehicle intelligent equipment, such as navigation etc., driver also needs centering control screen to operate.According to
Past research shows, the attention of driver is certain, and in the case of normal driving, driver obtains vehicle by sensory organ
Surrounding road transport information, is then disposed judgement according to brain experience, to ensure the safety of driving.If at driving procedure
In, a certain degree of diverting one's attention occurs in driver, and as in operation vehicle, control is shielded, made a phone call, driver will certainly be caused to handle point
Dissipating, the total energy of driver, in addition to normal operating vehicle, also needs some energy to spend and controls screen in operation, makes a phone call to wait,
Therefore, the safety of driving is severely impacted.Particularly control screen in operation during driving, now screen can be entered except hands by driver
Outside row operation, driver's sight line also can more turn to middle control screen, and eyes are most important perceptual organs in driving conditions, so
Driver can be caused to capture transport information reduce, there is great potential safety hazard.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of driver and divert one's attention to drive detection device and detection method,
This driver diverts one's attention to drive the large-scale promotion few, applicable of detection plant investment expense, its detection method, intelligent, automatization, nothing
Need operation, and reliability is high..
The technical scheme that the application is used is: a kind of driver diverts one's attention to drive detection device, including:
One contactless eye tracker, is arranged on above meter panel of motor vehicle, and below windshield, its photographic head is towards driving
People's eye, demarcates driver according to using method before the test, for obtaining driver's point of fixation in driving conditions
Situation of change；
One intelligent CAN transducer, is arranged at idle below vehicle centre console, in collection vehicle CAN
Vehicle speed data, for judging the kinestate of vehicle；
One Minitype infrared correlation detection sensor, is arranged in vehicle control screen around, uses horizontal correlation mode upper and lower
Installing, whether centering control screen carries out operation information to be used for obtaining passenger.
Two medium-sized infrared emission sensors, are used for detecting whether driver has carried out stretching out one's hand operation, and two transmitting terminals are installed
In the position that car inner top is concordant with front-row seats, receiving terminal is separately mounted to driver position and copilot station near middle control
The other side of the seat of platform, for receiving the infrared-ray that transmitting terminal sends, this infrared emission sensor is used for detecting driver and is
No carry out stretching out one's hand operation, and the infrared emission sensor on control screen determines and judges that driver is shielded either with or without control in operation in combining；
One alarm unit, for carrying out voice and light warning to the driver of the situation that occurs diverting one's attention；
One processing unit, for receive driver's point of fixation information that eye tracker collects, gather vehicle body speed data,
Gathering the data that three diverse location infrared emission sensors send, whether comprehensive descision driver is in state of diverting one's attention, and leads to
Cross voice module and driver is carried out alarm.
As a preferred technical scheme of the present invention, described contactless eye tracker uses Australia Seeing
The faceLAB eye tracker that Machines company produces.
As a preferred technical scheme of the present invention, described intelligent CAN transducer uses Zhou Ligong CAN485 intelligence
Can CAN transducer.
As a preferred technical scheme of the present invention, described Minitype infrared opposite type sensor is that KEWEI board is infrared
Line sensor, concrete model is PT-1T100MNF.
As a preferred technical scheme of the present invention, described medium-sized infrared emission sensor is TAKEX board in bamboo
Infrared alarm detector, concrete model is PR-5B.
As a preferred technical scheme of the present invention, described alarm unit is wafer F5 full-color common cathode light-emitting diodes
Pipe.
As a preferred technical scheme of the present invention, described processing unit uses ARM9 processor, concrete model
For S3C2410.
A kind of driver of the present invention diverts one's attention to drive detection method, comprises the following steps:
The operation information gathering of S1, middle control screen
Obtain whether occupant operates console information by being arranged on the infrared emission sensor of the middle control screen left and right sides；
S2, driver operate console information and judge
The infrared emission sensor being arranged on car inner top and driver's seat side is used to judge whether driver occurs stretching
Hands operates；
S3, driver's eye movement data gather
Using the contactless eye tracker of faceLAB to gather driver's point of fixation, if in the case of illumination condition is good, eye moves
Instrument can clearly obtain driver's eye information by image recognition, thus more accurately obtains driver's point of fixation, at illumination condition
In the case of poor, do not use eye tracker data；
S4, driver watch position attentively and determine
Before system uses, use the method demarcated to determine the position of driver's point of fixation, and in actual use, pass through
Control test to driver's point of fixation and realize demarcate position contrast, so that it is determined that driver watches position attentively；
S5, driver divert one's attention situation and the determination of grade of diverting one's attention
In the case of light is preferable in car, can more accurately be determined the position of driver's point of fixation by eye tracker, because of
This first judges the most whether driver's point of fixation is commonly located at middle control screen region, simultaneously by two infrared emissions
Sensor gets driver and is in centering control screen mode of operation, then can determine that driver controls screen the most in operation, recognize further
There may be a certain degree of driving of diverting one's attention for driver, the size of its degree of diverting one's attention uses driver's single to watch Zhong Kongping district attentively
The territory persistent period, take a fancy to control screen time interval and a period of time point of fixation continuously and turn between middle control screen region and other regions
The probability moved determines, in the case of in car, light condition is bad, eye tracker can not play the work catching driver's point of fixation
With, this kind of situation is often driving at night, poor due to car extraneous light at driving at night, under driving situation of not diverting one's attention, drives
Sail effective transport information that people gets can reduce, if now driver also carries out the operation of middle control screen, then thing can be significantly increased
Therefore the probability occurred, therefore, in the case of light condition deficiency, use the time controlling screen in driver's finger manipulation to sentence
Its degree of diverting one's attention disconnected；
S6, voice alarm are pointed out
In the case of judging that driver exists driving of diverting one's attention, according to different grades of diverting one's attention, formulate different alarms
Voice, sends warning by alarm unit to driver.
The one or more technical schemes provided in the embodiment of the present application, at least have the following technical effect that or advantage:
Use contactless eye tracker to obtain driver's point of fixation information, use infrared emission sensor to judge that driver is
No carry out middle control screen operation.Both combine can accurately judge whether driver diverts one's attention, simultaneously according to watching attentively that driver shows
The correlation properties of point can analyze its degree of diverting one's attention.At night, use the time individually judging to control in driver's operation screen true
Its grade of diverting one's attention fixed, method is simple and reliable.This driver diverts one's attention to drive the large-scale promotion few, applicable of detection plant investment expense,
Its detection method, intelligent, automatization, it is not necessary to operation, and reliability is high.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the scheme of installation (car internal view) of the present invention；
Fig. 2 is the scheme of installation (car external view) of the present invention；
Fig. 3 be illumination condition good time driver divert one's attention decision flow chart；
Fig. 4 be illumination condition bad time driver divert one's attention decision flow chart；
Fig. 5 is the processing unit interface diagram of the present invention.
In figure: 1, contactless eye tracker, 2, middle control screen, 3, Minitype infrared opposite type sensor transmitting terminal, 4, Minitype infrared
Opposite type sensor receiving terminal, 5, main driving position medium-sized infrared emission sensor emission end, 6, the medium-sized infrared emission in main driving position passes
Sensor receiving terminal, 7, co-driver medium-sized infrared emission sensor emission end, 8, copilot medium-sized infrared emission sensor receives
End, 9, voice module, 10, processing unit, 11, eye tracker data-interface, 12, Minitype infrared opposite type sensor interface, 13, just drive
Sail position medium-sized infrared emission sensor interface, 14, co-driver medium-sized infrared emission sensor interface, 15, intelligent CAN transducer
Interface, 16, voice module interface.
Detailed description of the invention
In order to be better understood from technique scheme, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail.
As Figure 1-Figure 5, a kind of driver described in the present embodiment diverts one's attention to drive detection device, including:
One contactless eye tracker 1, is arranged on above meter panel of motor vehicle, and below windshield, its photographic head is towards driving
Sail people's eye, according to using method, driver is demarcated before the test, be used for obtaining driver's point of fixation in driving conditions
Situation of change；
One intelligent CAN transducer, is arranged at idle below vehicle centre console 2, in collection vehicle CAN
Vehicle speed data, for judging the kinestate of vehicle；
One Minitype infrared correlation detection sensor 3,4, is arranged in vehicle control screen around, uses in horizontal correlation mode
Lower installation, whether centering control screen carries out operation information to be used for obtaining passenger.
Two medium-sized infrared emission sensors 5,6；7,8, it is used for detecting whether driver has carried out stretching out one's hand operation, two launch
End is arranged on the position that car inner top is concordant with front-row seats, and receiving terminal is separately mounted to driver position and co-driver rests against
The other side of seat of nearly console, for receiving the infrared-ray that transmitting terminal sends, this infrared emission sensor is driven for detection
Sail people and whether carry out stretching out one's hand operation, and during the infrared emission sensor on control screen determines and judges that driver is either with or without operating in combining
Control screen；
One voice module 9, for carrying out phonetic warning to the driver of the situation that occurs diverting one's attention；
One processing unit 10, is provided with eye tracker data-interface 11, Minitype infrared opposite type sensor interface 12 skipper position
Medium-sized infrared emission sensor interface 13, co-driver medium-sized infrared emission sensor interface 14, intelligent CAN switching device interface
15, voice module interface 16, for receiving driver's point of fixation information that eye tracker collects, gathering vehicle body speed data, adopt
Collecting the data that three diverse location infrared emission sensors send, whether comprehensive descision driver is in state of diverting one's attention, and passes through
Voice module carries out alarm to driver.
Wherein, in the present embodiment, described contactless eye tracker 1 uses Seeing Machines company of Australia
The faceLAB eye tracker produced.
The most in the present embodiment, described intelligent CAN transducer, use Zhou Ligong CAN485 intelligent CAN transducer.
Wherein, in the present embodiment, described Minitype infrared opposite type sensor 3,4 is KEWEI board infrared ray sensor, tool
Build number is PT-1T100MNF.
Wherein, in the present embodiment, described medium-sized infrared emission sensor is TAKEX board infrared alarm detection in bamboo
Device, concrete model is PR-5B.
As a preferred technical scheme of the present invention, described processing unit 21 uses ARM9 processor, particular type
Number it is S3C2410.
In this detection device, contactless eye tracker 1 is arranged on meter panel of motor vehicle lid side, below windshield glass,
By the two of eye tracker photographic head detection driver's eye information, thus pick out the change of driver's point of fixation.For detecting
Transmitting terminal 3 and the receiving terminal 4 of the Minitype infrared opposite type sensor of middle control screen 2 operation information are separately mounted to middle control screen about 2.With
The infrared emission sensor emission end whether stretched out in detection driver's arm is arranged on car inner top and driver's backrest
Concordant position, receiving terminal is arranged on driver's seat edge near console side.Voice alarm module is arranged on driving
People side A post and driving cabin contact position.
Native system in use, needs to be obtained the point of fixation information of driver by contactless eye tracker, therefore to instrument
The requirement of device is harsher, and the present embodiment uses the faceLAB eye tracker that Seeing Machines company of Australia produces,
Its dependable performance, accuracy of identification is high, has stronger practicality.
Divert one's attention to drive detection method for realizing a kind of driver of the present invention, divert one's attention to drive detection dress in conjunction with above-mentioned driver
Putting, step is as follows:
(1) contactless eye tracker, intelligent CAN transducer, Minitype infrared opposite type sensor, medium-sized infrared emission sensing
The installation of device, voice module and processing unit.
First contactless eye tracker is installed.Gluing mode is used to install, by the base below contactless eye tracker
It is stained with the stronger double faced adhesive tape of viscosity or glue.By the photographic head of contactless eye tracker towards driver side.Before use
Driver is demarcated by the operation instruction according to eye tracker, uses data wire to be connected by the I/O interface of eye tracker with processing unit
Connect.
Then intelligent CAN transducer is installed.Intelligent CAN transducer is used for collection vehicle velocity information.Intelligent CAN is changed
The data input pin of device is connected with vehicle CAN bus, and data output end is connected with processing unit I/O interface, uses microgroove bolt
It is connected fixing to intelligent CAN transducer and vehicle body.Intelligent CAN transducer is arranged at idle below vehicle centre console.
The Minitype infrared opposite type sensor of control screen operation in detection is installed.Gluing mode is used to be passed by infrared emission
The transmitting terminal of sensor and receiving terminal are separately mounted to middle control screen lower edges, and the surface of emission and receiving plane are to installation, and keep sending out
Penetrate infrared ray and middle control screen level that end sends.Data wire is used to be connected with processor I/O interface by infrared emission sensing unit.
Then install for detecting the medium-sized infrared emission sensor whether driver makes a stretch of the arm.Use gluing mode
The transmitting terminal of two infrared emission sensors is arranged on the position that car inner top is concordant with driver's backrest, and receiving terminal is pacified
It is contained in driver's seat and the assistant driver seat edge near console side, the surface of emission and receiving plane to installation.Use number
According to line, infrared emission sensing unit is connected with processor I/O interface.
Voice module is installed.Voice module is arranged on driver side A post and driving cabin contact position, uses gluing mode
Install.Voice module is installed require to accomplish not affect driver's sight line as far as possible.Use data wire by voice module and process
Unit I/O is attached.
Last installation process unit.Processing unit uses metal box encapsulation, is arranged at idle below vehicle centre console, suffers
Intelligent CAN transducer.Carried out data transmission with the external world by data wire.Use microgroove bolt by the metal of encapsulation process unit
Box is fixing with vehicle body to be connected.
(2) driver's watching area divides and watches position attentively and determines
Before system formally uses, the watching area of driver need to be determined by test, in order in use according to driving
The real-time point of fixation information of people quickly determines its fixation range.Specific practice is as follows:
First by storing cycle in the more sufficient place of light.By eye tracker normal mounting, captured by eye tracker and drive
After sailing people's eye point of fixation information, allow driver repeatedly watch different regions attentively, in the present embodiment, allow driver repeatedly watch attentively
Middle control screen region, takes a fancy to the point of fixation information in control screen region according to driver, and control screen regional database in foundation, actually used
In, the point of fixation information and date storehouse that driver is actual is contrasted, if both coincide, then during explanation driver is just look at
Control screen region.
(3) control screen operation information gathering in
Obtain whether occupant operates console information by being arranged on the infrared emission sensor of the middle control screen left and right sides.By
The infrared acquisition line gone out in infrared emission sensor emission is close to middle control screen, when therefore operating, hands with hands centering control screen
The ray that infrared emission sensor sends can be sheltered from, the operation information of occupant therefore can be detected.Record infrared ray is hidden
The time of gear, and the frequency being blocked, divert one's attention degree basis for estimation in this, as driver's driving at night.
(4) driver operates the judgement of console information
The infrared emission sensor being arranged on car inner top and driver's seat side is used to judge whether driver occurs stretching
Hands operates.Principle is similar to above-mentioned middle control screen operation information and determines method, the infrared emission end being arranged on car inner top send and penetrate
Line, when driver makes a stretch of the arm and operates, ray is blocked, and the infrared emission sensor in combination with copilot station is combined
Close and judge that operation of holding out occurs in driver.Just can determine that driver's well afoot control screen operates by above two steps.
(5) driver diverts one's attention situation and the determination of grade of diverting one's attention
Being detected driver's point of fixation owing to the present embodiment have employed eye tracker, eye tracker uses needs certain
Illumination condition, therefore for different illumination conditions, uses different judge index, specific as follows:
In the case of light is preferable in car, can more accurately be determined the position of driver's point of fixation by eye tracker.If
Detecting that the medium-sized infrared emission sensor ray of driver side is blocked, the medium-sized infrared emission of copilot side passes simultaneously
Sensor ray is not blocked, then can determine that it is that driver has stretched out arm, if middle control screen has the most standby operation information simultaneously,
Then can be determined that driver controls screen the most in operation.The point of fixation information of driver is caught, with 10s as time now by eye tracker
Between window, add up that driver in each time window watches the middle control screen time in region attentively, single watches interval and number of times etc. attentively.When driving
Sail people's point of fixation at middle control screen region single fixation time less than or equal to 1s, or double to watch middle control screen attentively interregional every greatly
In 2s, or driver's point of fixation transition probability between middle control screen and other regions is less than or equal in whole time window
When 20%, it is believed that be dangerous one-level；When driver's point of fixation is less than or equal to 2s at middle control screen region single fixation time more than 1s,
Or double watch attentively middle control screen interregional every more than 1s less than or equal to 2s, or driver watches attentively in whole time window
When point transition probability between middle control screen and other regions is less than or equal to 30% more than 20%, it is believed that be dangerous two grades；When driving
Sail people's point of fixation at middle control screen region single fixation time more than 2s, or double to watch middle control screen attentively interregional every being less than
In 1s, or driver's point of fixation transition probability between middle control screen and other regions is more than 30% in whole time window
Time, it is believed that it is dangerous one-level；
In the case of in car, light condition is bad, the point of fixation being difficult to capture driver by eye tracker changes.With
Time light bad time the useful Traffic Information that got by eyes of driver reduce the most therewith, therefore, can single pass
Driver's danger classes is divided by time and the number of times of controlling screen in detection driver's operation.
With above-mentioned, when the infrared emission sensor ray of driver side is blocked, simultaneously copilot side ray not by
Block, and when middle control screen is operated, it is believed that the now operation of driver's well afoot control screen, now driver has the biggest
Divert one's attention possibility.Danger classes judges as follows: when detecting that the time that middle control screen ray single is blocked is less than or equal to 1s, or connect
The continuous time interval being blocked for twice is more than 3s, then it is assumed that be dangerous one-level.When detecting what middle control screen ray single was blocked
Time is less than or equal to 2s more than 1s, or the double time interval being blocked is less than or equal to 3s more than 2s, then it is assumed that be danger
Two grades, danger.When detecting that the time that middle control screen ray single is blocked is more than or equal to 3s, or the double time being blocked
Interval is less than or equal to 2s, then it is assumed that be dangerous one-level.
(6) voice alarm prompting
In the case of judging that driver exists driving of diverting one's attention, according to different grades of diverting one's attention, formulate different alarms
Voice, sends warning by voice unit to driver.The corresponding different voice alarm information of different danger classes.For danger
One-level, voice broadcast is: you have driving behavior of substantially diverting one's attention, and ask safe driving；For dangerous two grades, voice broadcast is: divert one's attention
The generation of vehicle accident being caused, will be punished by traffic law if stopping you not in time；For dangerous three grades, voice broadcast
For: for you and the happiness of household, driving of the most not diverting one's attention.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people being familiar with this specialty
Member, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or modification
For the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit of the foundation present invention
Any simple modification, equivalent variations and the modification being made above example, all still falls within the range of technical solution of the present invention.
Claims (7)
1. a driver diverts one's attention to drive detection device, it is characterised in that including:
One contactless eye tracker (1), is arranged on above meter panel of motor vehicle, and below windshield, its photographic head is towards driving
People's eye, demarcates driver according to using method before the test, for obtaining driver's point of fixation in driving conditions
Situation of change；
One intelligent CAN transducer, is arranged at idle below vehicle centre console, the speed in collection vehicle CAN
Data, for judging the kinestate of vehicle；
One Minitype infrared correlation detection sensor (3,4), is arranged in vehicle control screen (2) around, uses horizontal correlation mode
Installing up and down, whether centering control screen (2) carries out operation information to be used for obtaining passenger.
Major and minor operator seat medium-sized infrared emission sensor (5,6；7,8), it is used for detecting whether driver has carried out stretching out one's hand operation,
Two transmitting terminals are arranged on the position that car inner top is concordant with front-row seats, and receiving terminal is separately mounted to driver position and copilot
Being located proximate to the other side of seat of console, for receiving the infrared-ray that transmitting terminal sends, this infrared emission sensor is used for
Whether detection driver carries out stretching out one's hand operation, and the infrared emission sensor that control is shielded in combining determine judge driver either with or without
Control screen in operation；
One voice module (9), for carrying out phonetic warning to the driver of the situation that occurs diverting one's attention；
One processing unit (10), for receive driver's point of fixation information that eye tracker collects, gather vehicle body speed data,
Gathering the data that three diverse location infrared emission sensors send, whether comprehensive descision driver is in state of diverting one's attention, and leads to
Cross voice module and driver is carried out alarm.
A kind of driver the most according to claim 1 diverts one's attention to drive detection device, it is characterised in that: described is contactless
Eye tracker (1) uses the faceLAB eye tracker that Seeing Machines company of Australia produces.
A kind of driver the most according to claim 1 diverts one's attention to drive detection device, it is characterised in that: described intelligent CAN
Transducer (17) uses Zhou Ligong CAN485 intelligent CAN transducer.
A kind of driver the most according to claim 1 diverts one's attention to drive detection device, it is characterised in that: described Minitype infrared
Opposite type sensor (3,4) is KEWEI board infrared ray sensor, and concrete model is PT-1T100MNF.
A kind of driver the most according to claim 1 diverts one's attention to drive detection device, it is characterised in that: described is medium-sized infrared
Opposite type sensor (5,6；7,8) being TAKEX board infrared alarm detector in bamboo, concrete model is PR-5B.
A kind of driver the most according to claim 1 diverts one's attention to drive detection device, it is characterised in that: described processing unit
(10) using ARM9 processor, concrete model is S3C2410.
7. a driver diverts one's attention to drive detection method, it is characterised in that comprise the following steps:
The operation information gathering of S1, middle control screen
The infrared emission sensor shielding upper and lower both sides by being arranged on middle control obtains whether occupant operates console information；
S2, driver operate console information and judge
The infrared emission sensor being arranged on car inner top and driver's seat side is used to judge whether driver occurs stretching out one's hand behaviour
Make；
S3, driver's eye movement data gather
The contactless eye tracker of faceLAB is used to gather driver's point of fixation, if in the case of illumination condition is good, eye tracker energy
Clearly obtained driver's eye information by image recognition, thus more accurately obtain driver's point of fixation, poor at illumination condition
In the case of, do not use eye tracker data；
S4, driver watch position attentively and determine
Before system uses, the method demarcated is used to determine the position of driver's point of fixation, and in actual use, by comparison
The driver's point of fixation detected and the position realizing demarcating contrast, so that it is determined that driver watches position attentively；
S5, driver divert one's attention situation and the determination of grade of diverting one's attention
In the case of light is preferable in car, can more accurately be determined the position of driver's point of fixation by eye tracker, therefore first
Judge the most whether driver's point of fixation is commonly located at middle control screen region, sensed by two infrared emissions simultaneously
Device gets driver and is in centering control screen mode of operation, then can determine that driver controls screen the most in operation, it is further believed that drive
Sailing people and there may be a certain degree of driving of diverting one's attention, the size of its degree of diverting one's attention uses driver's single to watch middle control screen region attentively and holds
The continuous time, take a fancy to the transfer between middle control screen region and other regions of control screen time interval and a period of time point of fixation continuously
Probability determines, in the case of in car, light condition is bad, eye tracker can not play the effect catching driver's point of fixation, this
The situation of kind is often driving at night, and poor due to car extraneous light at driving at night, under driving situation of not diverting one's attention, driver obtains
The effective transport information got can reduce, if now driver also carries out the operation of middle control screen, then the accident that can be significantly increased occurs
Probability, therefore, in the case of light condition deficiency, use in driver's finger manipulation the time controlling screen to judge its point
Heart degree；
S6, voice alarm are pointed out
In the case of judging that driver exists driving of diverting one's attention, according to different grades of diverting one's attention, formulate different alarm voices,
Warning is sent to driver by voice module (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610516839.XA CN106043120A (en) | 2016-07-04 | 2016-07-04 | Detection device and detection method for distracted driving of driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610516839.XA CN106043120A (en) | 2016-07-04 | 2016-07-04 | Detection device and detection method for distracted driving of driver |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107928685A (en) * | 2017-12-13 | 2018-04-20 | 吉林大学 | A kind of response analytical equipment and method based on driving human eye dynamic characteristic |
| CN109693620A (en) * | 2017-10-23 | 2019-04-30 | 矢崎总业株式会社 | Vehicular photographic arrangement |
| CN109774599A (en) * | 2017-11-15 | 2019-05-21 | 欧姆龙株式会社 | Alarm controller, alarm control method and recording medium |
| CN110297686A (en) * | 2019-07-03 | 2019-10-01 | 北京梧桐车联科技有限责任公司 | Content display method and device |
-
2016
- 2016-07-04 CN CN201610516839.XA patent/CN106043120A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693620A (en) * | 2017-10-23 | 2019-04-30 | 矢崎总业株式会社 | Vehicular photographic arrangement |
| CN109774599A (en) * | 2017-11-15 | 2019-05-21 | 欧姆龙株式会社 | Alarm controller, alarm control method and recording medium |
| CN107928685A (en) * | 2017-12-13 | 2018-04-20 | 吉林大学 | A kind of response analytical equipment and method based on driving human eye dynamic characteristic |
| CN110297686A (en) * | 2019-07-03 | 2019-10-01 | 北京梧桐车联科技有限责任公司 | Content display method and device |
| CN110297686B (en) * | 2019-07-03 | 2023-05-12 | 北京梧桐车联科技有限责任公司 | Content display method and device |
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Application publication date: 20161026 |