CN106874831A - Driving behavior method for detecting and its system - Google Patents
Driving behavior method for detecting and its system Download PDFInfo
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- CN106874831A CN106874831A CN201611155350.0A CN201611155350A CN106874831A CN 106874831 A CN106874831 A CN 106874831A CN 201611155350 A CN201611155350 A CN 201611155350A CN 106874831 A CN106874831 A CN 106874831A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/59—Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions
- G06V20/597—Recognising the driver's state or behaviour, e.g. attention or drowsiness
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Abstract
The invention discloses a kind of driving behavior method for detecting and its system, arm image and head behavior image first in extract user image, processor captures arm image and compares with the arm sample image in database, when arm image meets arm sample image, represent that driving behavior is normal, when arm image does not meet arm sample image, represent that driving behavior may be abnormal, processor captures head behavior image and compares with the head violation sample image in database, represent that driving behavior is normal when head behavior image does not meet head violation sample image, driving behavior exception is represented when head behavior image meets head violation sample image, and send a second level alarm signal, to remind driving behavior exception.It is of the invention in driving abnormal behaviour front end to be produced to remind driving attentiveness in advance, traffic safety can be effectively improved.
Description
Technical field
The present invention relates to a kind of behavior detection techniques, particularly relating to one kind can remind before driver produces behavior of diverting one's attention
Drive absorbed driving behavior method for detecting and its system.
Background technology
As science and technology is showing improvement or progress day by day, automobile has been increasingly becoming the vehicles of indispensability in universal family, due to the number of automobile
Amount gradually increases, and annual traffic accident also remains high, according to statistics report display, and the main cause of traffic accident accident comes from drives
The person of sailing, its reason may be that bad steering behavior, fatigue or the disease of driver cause that vehicle etc. cannot be driven, wherein bad drive
Behavior is sailed, for example, using mobile phone, by thing, by food etc., and above-mentioned action is driver's hand departure direction in traveling
The behavior of diverting one's attention of disk, therefore road traffic regulations of rules at present, using hand held device or it is hand-held, suck cigarette and cause influence
Other people traffic safeties are disciplined as a warning per capita, to reduce the traffic accident produced by driver's bad behavior.
There is a kind of monitoring device for detecting driver's bad behavior at present, its energy when behavior is divert one's attention in driver's generation
Driver is enough reminded attentively to drive, but current focus on of monitoring device hair uses video camera to shoot face to carry out face more
The warning of feature judges, to judge whether eye sight line or face deflect.Or recognize driver using other sensors
With the presence or absence of abnormal behaviour, to judge whether to divert one's attention, such as judge whether driver diverts one's attention to smoke using smoke detector, or profit
Judge whether driver uses mobile phone with mobile phone signal detector.But due to these monitoring platform setup costs costly,
And technology is only capable of just being detected when driver divert one's attention action at present, therefore monitoring device can only be in driver
Driver could be reminded after action through divert one's attention, but because the action of diverting one's attention of driver has been produced, even if being filled via monitoring
Prompting driver is put, driver has still had influence on the traffic driving safety of itself and passerby.
In addition, more rising Internet of things system in recent years, can collect various car status informations to fall by Internet of things system
Real fleet management, the information that backstage was collected includes the driving behavior state that the monitor on driver's vehicle is detected,
After monitor monitors driver distraction, by this information transmission to backstage, backstage can be by the information of the behavior state of driver
Storage, for back-stage management, personnel are monitored, or are used as commercial fleet driver performance management, but also have with it is upper
Monitoring device identical shortcoming is stated, the information divert one's attention can only be just transmitted after driver divert one's attention action to backstage, i.e.,
Backstage personnel are made to notify that driver, but driver distraction's action have produced after finding at once, driver has still had influence on this
Body and the traffic driving safety of passerby.
In view of this, the present invention is directed to above-mentioned the deficiencies in the prior art then, proposes that one kind can effectively detect driver's generation
The front end action of abnormal behaviour, before occurring with the phenomenon that may have inwholwe-hearted behavior in driver, reminds driver attentively to drive
The behavior method for detecting and its system of car, effectively to overcome above mentioned problem.
The content of the invention
It is a primary object of the present invention to provide a kind of driving behavior method for detecting and its system, it can effectively detect driving
Person produces the front end action of abnormal behaviour, reminds driver attentively to drive before driver is there may be inwholwe-hearted behavior, with
Effectively improve traffic safety.
Another object of the present invention is to provide a kind of driving behavior method for detecting and its system, it can be current by driver
Behavior is transferred to remote server, and for back-stage management, personnel are monitored, and is used as commercial fleet driver performance management,
The problem not driven attentively can be effectively reduced, there is obvious help to traffic safety.
In order to achieve the above object, the invention provides a kind of driving behavior method for detecting, its step includes, obtains first
User image, it includes arm image and head behavior image；Then to the multiple arms in arm image and database
Sample image is compared, to judge whether arm image meets an at least arm sample image, if so, i.e. arm image meets
Arm sample image, represents that driving behavior is normal, but if it is not, i.e. arm image does not meet arm sample image, expression driving row
It is possible exception, then into next step；A first order alarm signal is produced, and first order alarm signal is passed；Than
To the multiple head violation sample images in head behavior image and database, and judge whether head behavior image meets at least
One head violation sample image, if it is not, i.e. head behavior image does not meet head violation sample image, is representing driving behavior just
Often；If so, i.e. head behavior image meets head violation sample image, driving behavior exception is represented, and send second level police
Show signal, second level alarm signal is passed.
In addition, the present invention also provides a kind of driving behavior detecting system, including a camera captures at least user's shadow
Picture, it includes an arm image and a head behavior image, the multiple arm sample images of database storage and many heads
Portion's violation sample image a, processor is electrically connected with camera and database, and processor captures arm image and database
In multiple arm sample images compare, when arm image meets an at least arm sample image, represent driving behavior
Normally；When arm image does not meet an at least arm sample image, represent that driving behavior may be abnormal, that is, produce a first order
Alarm signal, and first order alarm signal is passed, processor captures the multiple in head behavior image and database again
Head violation sample image is compared, and driving is represented when head behavior image does not meet an at least head violation sample image
Behavior is normal；Driving behavior exception is represented when head behavior image meets an at least head violation sample image, and sends one
Second level alarm signal；One transmitting device, electrically connected processing device, to receive the control of processor and by first order alarm signal
Or second level alarm signal is passed.
When processor captures arm image does not meet an at least arm sample image, represent that driving behavior may be abnormal,
After driving abnormal behaviour continues a scheduled time, first order alarm signal is produced.
Processor also using a head deflection algorithm judge user in head behavior image head whether beat, if
It is, i.e. the head deflection of user, then sends second level alarm signal, reminds driving behavior exception；If it is not, i.e. user
Head does not produce beat, then it represents that driving behavior is normal.
Below by specific embodiment elaborate, when be easier to understand the purpose of the present invention, technology contents, feature and its
The effect reached.
Brief description of the drawings
Fig. 1 is detecting system block diagram of the invention；
Fig. 2 is method for detecting flow chart of steps of the invention；
Fig. 3 is the head deflection algorithm steps flow chart that the present invention is used；
Fig. 4 is the present invention in the image schematic diagram for judging head deflection；
Fig. 5 is the method for detecting flow chart of steps of another embodiment of the present invention.
Description of reference numerals：1- driving behavior detecting systems；10- cameras；12- databases；14- processors；16- is passed
Defeated device；20- main frames；The automobile-used main frames of 22-；24- remote servers.
Specific embodiment
As shown in figure 1, the structure to illustrate the driving behavior detecting system 1 that the present invention is provided, driving behavior detecting system 1
Including a camera 10, camera 10 can be installed in driver's seat front, make on the alignment lenses driver's seat of camera 10
Driver, to obtain the positive user image of driver, user image includes arm image and head behavior image；One number
It is used to store multiple arm sample images and head violation sample image according to storehouse 12, wherein arm sample image is double driver
Hand holds the image of steering wheel, and image holds the state image such as various postures, angle of steering wheel comprising general driver's both hands, such as
Parallel steering wheel, the both hands intersection right hand held of both hands holds direction in upper, both hands intersection left hand in first-class various general common drivers
State image of disk etc..And head violation sample image is then for driver phones with mobile telephone or the shadow of the violation such as driver's smoking, diet
Picture；One processor 14 is electrically connected with camera 10 and database 12, and processor 14 can obtain user's shadow by camera 10
Picture, and by obtaining arm sample image and head violation sample image in database 12, to compare the arm image of user image
With arm sample image, and head behavior image and head violation sample image, thereby judge whether driving behavior is normal simultaneously
Produce judged result；The electrically connected processing device 14 of one transmitting device 16, to produce judged result to be transferred in terms of one processor 14
Calculate in machine host 20, wherein main frame 20 can be the main frame used on car or long-range backstage etc., the present embodiment
Citing has two main frames 20, respectively automobile-used main frame 22 and remote server 24, and automobile-used main frame 22 can store reception
The judged result for arriving, and judged result is shown, remote server 24 can store the judged result for receiving, and show judgement
Result judges whether that this sends warning and reminds driver to note to the monitoring personnel of remote server for monitoring personnel.
After each role in having illustrated present system framework, the present invention takes to driving behavior method for detecting flow chart
Match system device, to illustrate technology contents of the invention more in detail, as shown in Figures 1 and 2, is carrying out driving behavior first
Before method for detecting, it is necessary to multiple arm sample images and multiple head violation sample images are set up in database 12, with
Can be compared using the data in database 12 beneficial to processor 14.Next driving behavior method for detecting of the present invention is illustrated
Step, initially enters step S10, and an at least user image is obtained by camera 10, and arm shadow is included in user image
Picture and head behavior image.Then step S12 is refer to, processor 14 captures the multiple in arm image and database 12
Arm sample image proceeds by comparison, can be first with a gauss hybrid models equation (Gaussian during comparison
Mixture model, GMM) by arm video conversion be can with multiple arm sample images contrast image, with sharp processor 14
Compare, gauss hybrid models equation is as follows：
P (x)=α1G (x, μ1, ∑1)+α2G (x, μ2, ∑2)+α3G (x, μ3, ∑3)
Wherein g (χ；μ, ∑) it is Gaussian distribution density function；χ is formed by the arm position successive frame in arm image
Matrix；μ is the average vector of χ；∑ is the transposition conjugate matrices of χ successive frames；α1、α2With α3It is weight.Arm image is mixed through Gauss
Close model equation conversion after compare with the multiple arm samples in database 12, with judge arm image whether meet to
A few arm sample image, if processor 14 judges that arm image meets an at least arm sample image, into step S14,
Represent that driving behavior is normal, simultaneous processor 14 can produce a driving behavior normal signal, and will be driven by transmitting device 16
Behavior normal signal transmits remote server 24, to store driving behavior normal signal, and may be notified that background monitoring personnel are current
Driving behavior is normal；If but processor 14 judges that arm image does not meet an at least arm sample image, then it represents that driving behavior
May be abnormal, now then enter next step S16.As shown in step S16, whether processor 14 also can determine whether driving behavior exception
A scheduled time is persistently produced, if otherwise representing that driving behavior is normal into step S14, simultaneous processor 14 can produce driving to go
It is normal signal, and driving behavior normal signal is transferred in remote server 24 by transmitting device 16, informs monitoring
The current driving behavior of personnel is normal；But if so, processor 14 judges that driving behavior aberrant continuation produces a scheduled time, this implementation
The example citing scheduled time is 5 seconds, therefore when driving behavior aberrant continuation 5 seconds, then into step S18, produces first order warning
Signal, and first order alarm signal is transferred in remote server 24 by transmitting device 16, to store first order warning letter
Number and inform background monitoring personnel, for monitoring personnel as monitoring judgement, while into next step S19.Certain first order
Alarm signal can be also transferred directly in automobile-used main frame 22, not long-range to be transferred to directly to remind driver attentively to drive
Server 24 is limitation.
Step S19 is refer to, processor 14 judges whether head behavior image meets an at least head violation sample shadow again
Picture, gauss hybrid models equation also can be used when head behavior image is judged by head behavior video conversion Cheng Nengyu heads
Whether the image that violation sample image is compared, then compares meet head violation sample image, but the present embodiment comparison head row
For image is to be compared by way of characteristic point, processor 14 can capture the image feature in head behavior image to compare
Contrast characteristic in multiple head violation sample images is compared, wherein contrast characteristic is mobile phone, cigarette or other articles
Judge whether head behavior image has the image features such as mobile phone, cigarette or other articles Deng, processor 14, if head behavior shadow
Do not meet contrast characteristic's point of head violation sample image as in, then represent that driving behavior is normal into step S14；If but
There is the contrast characteristic's point for meeting head violation sample image in head behavior image, driving behavior exception is represented, driver can
Can have smoking or phone with mobile telephone wait action, now into step S20, processor 14 produce second level alarm signal and by transmission dress
Put 16 second level alarm signal is transferred in remote server 24, to remind the current driver of background monitoring personnel to produce point
The action of the heart, monitoring personnel can send alarm signal and remind driver, and record driver's abnormal behaviour instantly, simultaneous processor
After 14 produce second level alarm signal, the automobile-used main frame 22 on driver's car can be also transferred directly to, make the basis of automobile-used main frame 22
Second level alarm signal sends sound or image alarm signal reminds driving behavior exception, it is necessary to wholwe-hearted to drive.
Above-mentioned head behavior image is except that can be used to provide the head violation sample in the comparison data storehouse 12 of processor 14
Image come judge driver whether in normal driving behavior situation outside, processor 14 can also before step S18 or it
Afterwards, using a head deflection algorithm judge driver in head behavior image head whether beat, when processor 14 judges head
Portion produces skew then to send second level information warning, and second level alarm signal is transferred into remote service by transmitting device 16
In device 24, to remind background monitoring personnel, or processor 14 also to can control transmitting device 16 directly by second level alarm signal
It is transferred in the automobile-used main frame 22 on car, directly to remind driver attentively to drive；But represented if head does not produce skew and driven
Sail behavior normal, simultaneous processor 14 can produce a driving behavior normal signal, and by transmitting device 16 by driving behavior just
Regular signal is transferred in remote server 24, normal to inform the current driving behavior of background monitoring personnel.
But how to judge whether beat is to be judged by a head deflection algorithm to head, such as Fig. 3 and Fig. 4 institutes
Show, illustrated with to head deflection algorithm, as shown in figure 4, when head deflection is judged must first predeterminable area be reasonable people
Face region, and regard reasonable human face region and can be located in picture to face human face region, and facing the nose coordinate of human face region
Between position.Next step S22 please be join, the nose detecting of the driver instantly in user image of processor 14 pairs, to detect
The nose of driver in user image.Step S24 is subsequently entered, the position coordinates of nose is obtained, about at X-axis 50%, through estimating
Result is calculated, its X-axis coordinate value is about 140.Step S26 is subsequently entered, compares the position coordinates and a reasonable human face region of nose
Afterwards, the head swinging of driver is obtained, when beat -15~-30 are spent slightly due to driver's head, the position of nose can be displaced to
At the 35% of picture X-axis, therefore nose will appear between X-coordinate value 100~130.If conversely, the X-axis result of nose detecting falls
Between 100~130, driver's head swinging counter can be pushed away between -30~-15 degree, therefore the side that can be offset by nose
Formula judges driver's head swinging.Step S28 is finally entered, when swinging is higher than a pre-set threshold value right overhead, such as when default valve
Value represents that head produces beat, in addition can also set up another serious beat pre-set threshold value higher than 15 degree, and swinging is high right overhead
30 degree, serious beat is belonged to during more than serious beat pre-set threshold value.
In addition to above method embodiment, as shown in figure 5, the present invention does not meet an at least arm judging arm image
After sample image represents the possible exception of driving behavior, processor 14 can be not required to judge that whether persistently the abnormal generation one of driving behavior pre-
If the time.Specifically, as shown in figure 5, wherein step S30- steps S34 is identical with step S10- steps S14 therefore do not repeat to chat
State, different places are after judging that arm image does not meet an at least arm sample image, to be directly entered step S36
First order alarm signal is produced, is not required to as above-mentioned embodiment step S16 is identical, it is necessary to carry out whether driving behavior is abnormal continues again
Produce the judgement of a Preset Time, the present embodiment can be produced the first order directly after first order alarm signal by transmitting device 16
Alarm signal is transferred in remote server 24, remote server 24 is stored first order alarm signal and is informed background monitoring people
Member, so that monitoring personnel is used as the judgement of monitoring.Following step S38- steps S40 is all identical with step S19- steps S20, therefore
Not repeated description.
In sum, because multiple arm sample images are the image that driver's both hands hold steering wheel, if therefore arm
When image does not correspond to arm sample image, represent driver may arm departure direction disk, may the reason for departure direction disk
It is adept machine, cigarette etc., therefore is mostly the front end action do not driven attentively when driver's hand departure direction disk, therefore
The present invention can effectively detect the front end action that driver produces abnormal behaviour, may have inwholwe-hearted behavior phenomenon to send out with driver
Remind driver to note before life, traffic safety can be effectively improved, and the current behavior of driver is transferred to remote server, supply
Back-stage management personnel be monitored, and can be used as commercial fleet driver performance management, there is obvious help to traffic safety.
The foregoing is only presently preferred embodiments of the present invention, not for limit the present invention implementation scope.Therefore i.e.
Impartial change or modification carried out by all features and spirit according to described in the claims in the present invention, all should be included in protection of the invention
In the range of.
Claims (19)
1. a kind of driving behavior method for detecting, it is characterised in that comprise the following steps：
An at least user image is obtained, it includes an arm image and a head behavior image；
The multiple arm sample images in the arm image and a database are compared, to judge whether the arm image meets at least
The one arm sample image：
If so, representing that driving behavior is normal；And
If it is not, representing driving behavior exception, and enter next step；
A first order alarm signal is produced, and the first order alarm signal is passed；And
The multiple head violation sample images in the head behavior image and the database are compared, and judges the head behavior image
Whether at least one head violation sample image is met：
If it is not, representing that driving behavior is normal；And
If so, representing driving behavior exception, and a second level alarm signal is sent, the second level alarm signal is passed out
Go.
2. driving behavior method for detecting according to claim 1, it is characterised in that producing the first order alarm signal
Before step, after driving behavior one scheduled time of aberrant continuation, the first order alarm signal is produced, the scheduled time is 5 seconds.
3. driving behavior method for detecting according to claim 1, it is characterised in that compare the arm image with it is the plurality of
During the step of arm sample image, being by the arm video conversion using a gauss hybrid models equation can be with the plurality of hand
The image of arm sample image contrast, is beneficial to comparison.
4. driving behavior method for detecting according to claim 1, it is characterised in that compare the head behavior image with should
In the step of multiple head violation sample images, the image feature captured in the head behavior image compares the plurality of head in violation of rules and regulations
Contrast characteristic in sample image.
5. driving behavior method for detecting according to claim 1, it is characterised in that compare the head behavior image with should
Also judge user in the head behavior image using a head deflection algorithm after the step of multiple head violation sample images
Head whether beat the step of：
If so, the second level alarm signal is sent, to remind driving behavior exception；And
If it is not, representing that the driving behavior is normal.
6. driving behavior method for detecting according to claim 5, it is characterised in that wrap the step of the head deflection algorithm
Include：
Nose to the user in the user image instantly is detected；
Obtain the position coordinates of the nose；
After comparing the position coordinates and a reasonable human face region of the nose, the head swinging of the driver is obtained；And
When this swinging is higher than a pre-set threshold value, represent that the head produces beat, the wherein pre-set threshold value is 15 degree.
7. driving behavior method for detecting according to claim 6, it is characterised in that the reasonable human face region is a preset areas
Human face region is faced in domain.
8. driving behavior method for detecting according to claim 1, it is characterised in that the plurality of arm sample in the database
This image and the plurality of head violation sample image are set up the step of capturing the user image before.
9. driving behavior method for detecting according to claim 1, it is characterised in that the first order alarm signal with this second
Level alarm signal is delivered in an at least main frame, and the main frame is automobile-used main frame or remote server.
10. a kind of driving behavior detecting system, it is characterised in that including；
One camera, captures an at least user image, and it includes an arm image and a head behavior image；
One database, stores multiple arm sample images and multiple head violation sample images；And
One processor, is electrically connected with the camera and the database, and the processor captures the arm image and the database
In the plurality of arm sample image compare, when the arm image meets at least one arm sample image, expression is driven
Sail behavior normal；When the arm image does not meet at least one arm sample image, driving behavior exception is represented, that is, produce one
First order alarm signal, and the first order alarm signal is passed, the processor captures the head behavior image and is somebody's turn to do again
The plurality of head violation sample image in database is compared, and is disobeyed when the head behavior image does not meet at least one head
Represent that driving behavior is normal during rule sample image；The table when the head behavior image meets at least one head violation sample image
Show driving behavior exception, and send a second level alarm signal, the second level alarm signal is passed.
11. driving behavior detecting systems according to claim 10, it is characterised in that the processor is driving abnormal behaviour
The first order alarm signal is produced after continuing a scheduled time, the scheduled time is 5 seconds.
12. driving behavior detecting systems according to claim 10, it is characterised in that also including a transmitting device, the biography
Defeated device is electrically connected with the processor, to receive the control of the processor and warn the first order alarm signal or the second level
Signal transmission is gone out.
13. driving behavior detecting systems according to claim 12, it is characterised in that also calculate owner including at least one
Machine, the main frame receives first order alarm signal and the second level alarm signal of transmitting device transmission, with root
An acoustic warning signal or image alarm signal are sent according to the first order alarm signal or the second level alarm signal.
14. driving behavior detecting systems according to claim 13, it is characterised in that the main frame is automobile-used main frame
Or remote server.
15. driving behavior detecting systems according to claim 10, it is characterised in that the processor utilizes a Gaussian Mixture
The arm video conversion is the image that can be contrasted with the plurality of arm sample image by model equation, to carry out the arm shadow
As the comparison with the plurality of arm sample image.
16. driving behavior detecting systems according to claim 10, it is characterised in that the processor is by capturing the head
Image feature in behavior image compares the contrast characteristic in the plurality of head violation sample image, to compare the head behavior shadow
Picture and the plurality of head violation sample image.
17. driving behavior detecting systems according to claim 11, it is characterised in that the processor utilizes a head deflection
Algorithm judge user in the head behavior image head whether beat：
If so, the processor then sends the second level alarm signal, to remind driving behavior exception；And
If it is not, representing that the driving behavior is normal.
18. driving behavior detecting systems according to claim 17, it is characterised in that the head deflection algorithm was to instantly should
In user image after the nose detecting of the user, the position coordinates of the nose is obtained, then compare the position coordinates and of the nose
After reasonable human face region, the head swinging of the driver is obtained, when this swinging is higher than a pre-set threshold value, then it represents that the head
Portion's beat, the wherein pre-set threshold value are 15 degree.
19. driving behavior detecting systems according to claim 18, it is characterised in that the reasonable human face region is one default
Human face region is faced in region.
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| CN111626101A (en) * | 2020-04-13 | 2020-09-04 | 惠州市德赛西威汽车电子股份有限公司 | Smoking monitoring method and system based on ADAS |
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