CN109886148A - A kind of driver's active warning system and device based on recognition of face - Google Patents
A kind of driver's active warning system and device based on recognition of face Download PDFInfo
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- CN109886148A CN109886148A CN201910087289.8A CN201910087289A CN109886148A CN 109886148 A CN109886148 A CN 109886148A CN 201910087289 A CN201910087289 A CN 201910087289A CN 109886148 A CN109886148 A CN 109886148A
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Abstract
This specification embodiment provides a kind of driver's active warning system and device based on recognition of face, by the travel speed for obtaining vehicle；Judge the travel speed whether more than the first predetermined threshold；When the travel speed is more than the first predetermined threshold, the first facial information of driver is obtained；The first frequency of wink and head rotation frequency of the driver are determined according to the first facial information；Judge whether first frequency of wink and head rotation frequency reach the second predetermined threshold；When the frequency of wink and head rotation frequency do not reach the second predetermined threshold, Xiang Suoshu driver sends the first warning message.Solving in the prior art can not be to driver's row real-time monitoring in driving, it is unfavorable for the safe driving of automobile, the low technical problem of safety coefficient, the facial characteristics variation of quickly and accurately real-time monitoring driver is reached, timely feedback early warning, driver's maloperation is avoided, the technical effect of drive safety is improved.
Description
Technical field
This specification embodiment is related to automobile technical field more particularly to a kind of driver based on recognition of face actively reports
Alert system and device.
Background technique
Face recognition technology itself is a more mature technology, has been applied in mobile phone unlock, payment, punched-card machine etc.
Various fields have applied all specific imaging screen in field of face recognition technology at present, user are allowed to know camera
Face can be put into correct pickup area according to the positional relationship of screen adjustment and camera by region collected, from
And camera can be allowed to capture enough characteristic points, reach identifying purpose.Currently, face identification system has been applied to pair
In the medium field of the unlock of vehicle, the safety of user's vehicle can be improved.
But present inventor discovery at least the foregoing technology has the following technical problems:
It can not be unfavorable for the safe driving of automobile to driver's row real-time monitoring in driving in the prior art, pacify
The low technical problem of overall coefficient.
Summary of the invention
This specification embodiment provides and a kind of driver's active warning system and device based on recognition of face, solves
It can not be unfavorable for the safe driving of automobile, safety coefficient is low to driver's row real-time monitoring in driving in the prior art
The technical issues of, reach the facial characteristics variation of quickly and accurately real-time monitoring driver, has timely feedbacked early warning, avoid driving
The person's of sailing maloperation improves the technical effect of drive safety.
In view of the above problems, the embodiment of the present application is proposed actively to report in order to provide a kind of driver based on recognition of face
Alert system and device.
In a first aspect, this specification embodiment provides a kind of driver's active warning system based on recognition of face, it is described
System includes: to obtain the travel speed of vehicle；Judge the travel speed whether more than the first predetermined threshold；When the traveling speed
When degree is more than the first predetermined threshold, the first facial information of driver is obtained；It is driven according to first facial information determination
The first frequency of wink and head rotation frequency for the person of sailing；Judge first frequency of wink and whether head rotation frequency reaches the
Two predetermined thresholds；When the frequency of wink and head rotation frequency do not reach the second predetermined threshold, Xiang Suoshu driver's hair
Send the first warning message.
Preferably, the system also includes: obtain the driving path direction of vehicle, traffic limitation determined according to driving path
Information；Determine that the driving path direction violates the traffic restricted information according to the driving path direction；Obtain driver
The second frequency of wink；Determine that the driver is in fatigue driving shape according to the traffic restricted information and the second frequency of wink
State.
Preferably, the system also includes: obtain the mouth opening and closing frequency of the driver；According to the mouth opening and closing frequency
Rate determines the intracorporal alcohol concentration content of the driver；Judge whether the alcohol concentration content is lower than third predetermined threshold；
When the alcohol concentration content is lower than third predetermined threshold, the body temperature information and heart rate information of the driver are determined；Judgement
Whether the body temperature information and heart rate information of the driver meets preset condition；When the body temperature information and heart rate of the driver are believed
When breath is unsatisfactory for preset condition, Xiang Suoshu driver sends the second warning message.
Preferably, the system also includes: when the alcohol concentration content is lower than third predetermined threshold, drive described in acquisition
The facial emotions information for the person of sailing；Judge whether the facial emotions information is abnormal facial expression；When the facial emotions information
When for abnormal facial expression, third warning message is sent.
Preferably, the system also includes: obtain the second the first facial information；Compare the first facial information with
Whether second facial information is consistent；When the first facial information and second facial information are inconsistent, institute is determined
Stating the second facial information, there are shelters, and second facial information is sent to the driver.
Second aspect, this specification embodiment provides a kind of driver's initiative alarming device based on recognition of face, described
Device includes:
First obtains unit, for obtaining the travel speed of vehicle；
First judging unit, for judging the travel speed whether more than the first predetermined threshold；
Second obtaining unit, for obtaining the first face of driver when the travel speed is more than the first predetermined threshold
Portion's information；
First determination unit, for determining the first frequency of wink and head of the driver according to the first facial information
Portion's rotational frequency；
Second judgment unit, for judging whether first frequency of wink and head rotation frequency reach the second predetermined threshold
Value；
First operating unit, for when the frequency of wink and head rotation frequency do not reach the second predetermined threshold,
The first warning message is sent to the driver.
Preferably, described device further include:
Third obtaining unit determines traffic restricted information according to driving path for obtaining the driving path direction of vehicle；
Second determination unit, for determining that the driving path direction violates the traffic according to the driving path direction
Restricted information；
4th obtaining unit, for obtaining the second frequency of wink of driver；
Third determination unit, for determining that the driver is in the second frequency of wink according to the traffic restricted information
Fatigue driving state.
Preferably, described device further include:
5th obtaining unit, for obtaining the mouth opening and closing frequency of the driver；
4th determination unit, for determining that the intracorporal alcohol concentration of the driver contains according to the mouth opening and closing frequency
Amount；
Third judging unit, for judging whether the alcohol concentration content is lower than third predetermined threshold；
5th determination unit, for determining the driver when the alcohol concentration content is lower than third predetermined threshold
Body temperature information and heart rate information；
Whether the 4th judging unit, body temperature information and heart rate information for judging the driver meet preset condition；
Second operating unit, for when the body temperature information of the driver and heart rate information are unsatisfactory for preset condition, to
The driver sends the second warning message.
Preferably, described device further include:
6th obtaining unit, for obtaining the driver when the alcohol concentration content is lower than third predetermined threshold
Facial emotions information；
5th judging unit, for judging whether the facial emotions information is abnormal facial expression；
Third operating unit, for sending third warning message when the facial emotions information is abnormal facial expression.
Preferably, described device further include:
7th obtaining unit, for obtaining the second the first facial information；
6th judging unit, it is whether consistent for comparing the first facial information and second facial information；
6th determination unit, for determining institute when the first facial information and second facial information are inconsistent
Stating the second facial information, there are shelters, and second facial information is sent to the driver.
The third aspect, this specification embodiment provide a kind of driver's initiative alarming device based on recognition of face, including
Memory, processor and storage are on a memory and the computer program that can run on a processor, which is characterized in that the place
Manage the step of device executes system described in any of the above-described.
Said one or multiple technical solutions in the embodiment of the present application at least have following one or more technology effects
Fruit:
A kind of driver's active warning system based on recognition of face that this specification embodiment provides, by obtaining vehicle
Travel speed；Judge the travel speed whether more than the first predetermined threshold；When the travel speed is more than the first predetermined threshold
When value, the first facial information of driver is obtained；The first blink frequency of the driver is determined according to the first facial information
Rate and head rotation frequency；Judge whether first frequency of wink and head rotation frequency reach the second predetermined threshold；Work as institute
It states frequency of wink and when head rotation frequency does not reach the second predetermined threshold, Xiang Suoshu driver sends the first warning message.
By the activity condition of the available facial face of face recognition instrument, driver is obtained from the face activity condition of driver in time
Driving situation, avoid the occurrence of fatigue driving or the generation of other emergency cases, solving in the prior art can not be to driving
Driver's row real-time monitoring of automobile, is unfavorable for the safe driving of automobile, the low technical problem of safety coefficient, reached quickly,
The accurately facial characteristics variation of real-time monitoring driver, timely feedbacks early warning, avoids driver's maloperation, improve driving safety
The technical effect of property.
Detailed description of the invention
Fig. 1 is a kind of driver's active warning system process based on recognition of face provided in this specification embodiment
Figure；
Fig. 2 is a kind of driver's initiative alarming device signal based on recognition of face provided in this specification embodiment
Figure；
Fig. 3 is another driver's initiative alarming device signal based on recognition of face provided in this specification embodiment
Figure.
Drawing reference numeral explanation: bus 300, receiver 301, processor 302, transmitter 303, memory 304, bus interface
306。
Specific embodiment
The embodiment of the invention provides a kind of driver's active warning system and device based on recognition of face, for solving
In the prior art it can not be unfavorable for the safe driving of automobile, safety coefficient to driver's row real-time monitoring in driving
Low technical problem, technical solution general thought provided by the invention are as follows:
In the technical solution of the embodiment of the present invention, by the travel speed for obtaining vehicle；Judging the travel speed is
It is no more than the first predetermined threshold；When the travel speed is more than the first predetermined threshold, the first facial information of driver is obtained；
The first frequency of wink and head rotation frequency of the driver are determined according to the first facial information；Judge that described first blinks
Whether eye frequency and head rotation frequency reach the second predetermined threshold；When the frequency of wink and head rotation frequency do not reach
When the second predetermined threshold, Xiang Suoshu driver sends the first warning message.Solving in the prior art can not be to driving a car
Driver's row real-time monitoring, be unfavorable for the safe driving of automobile, the low technical problem of safety coefficient, reached quickly, it is accurate
The facial characteristics of ground real-time monitoring driver changes, and timely feedbacks early warning, avoids driver's maloperation, improve drive safety
Technical effect.
In order to better understand the above technical scheme, below by attached drawing and specific embodiment to this specification embodiment
Technical solution be described in detail, it should be understood that the specific features in this specification embodiment and embodiment are to this explanation
The detailed description of book embodiment technical solution, rather than the restriction to this specification technical solution, in the absence of conflict,
Technical characteristic in this specification embodiment and embodiment can be combined with each other.
It is only to be not intended to be limiting this public affairs merely for for the purpose of describing particular embodiments the term used is disclosed herein
It opens.Packet is also intended to the "an" of singular used in the attached claims, " described " and "the" being disclosed herein
Most forms are included, unless the context clearly indicates other meaning.The terms "and/or", only a kind of description association
The incidence relation of object indicates may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A
And B, individualism B these three situations.In addition, character "/" herein, typicallys represent the pass that forward-backward correlation object is a kind of "or"
System.
Embodiment one
Fig. 1 is a kind of flow diagram of driver's active warning system based on recognition of face in the embodiment of the present invention.
As shown in Figure 1, the system is applied to driver's initiative alarming equipment based on recognition of face, it is described based on recognition of face
Driver's initiative alarming equipment includes a scan input device and a display equipment, has image inside the scan input device
Input module, image processing module, memory, signal input module are scanned, the scan input device can be with camera etc.
The equipment for generating output signal is attached, and the display equipment is connect with the scan input device, is that can take the photograph described
The equipment such as the display screen shown as first-class scan input device.The system includes step S101-S106.
S101: the travel speed of vehicle is obtained.
Specifically, driver's active warning system in the embodiment of the present application based on recognition of face, passes through recognition of face
Instrument can obtain the activity condition of the vehicle facial face of driver in the process of moving in real time, living from the face of driver in time
Emotionally condition obtains the driving situation of driver, avoids the occurrence of fatigue driving or the generation of other emergency cases.Wherein, recognition of face
Human Face Recognition is a kind of biological identification technology for carrying out identification based on facial feature information of people.
Image or video flowing containing face, and automatic detection and tracking face in the picture are acquired with video camera or camera, in turn
To a series of the relevant technologies that the face detected is identified, usually also referred to as Identification of Images, face recognition.Recognition of face system
System mainly includes four component parts, is respectively as follows: man face image acquiring and detection, facial image pretreatment, facial image feature
It extracts and matches and identify.It can achieve Face datection, face tracking, face alignment.The embodiment of the present application passes through first to be obtained
The travel speed of pick-up may determine that driver with the presence or absence of driving dangerousness from travel speed.
S102: judge the travel speed whether more than the first predetermined threshold.
S103: when the travel speed is more than the first predetermined threshold, the first facial information of driver is obtained.
S104: the first frequency of wink and head rotation frequency of the driver are determined according to the first facial information.
Specifically, obtaining the travel speed of vehicle from above-mentioned steps, and further judgement is done to travel speed, judges
Whether the travel speed is more than the first predetermined threshold, wherein the setting of first predetermined threshold is according to different traveling roads
Duan Zidong setting, the first predetermined threshold such as is set as 120km/h in fastlink, sets the first predetermined threshold in city road
For 50km/h etc..Judged according to the section that the vehicle travels at present, when the travel speed is more than the of section setting
When one predetermined threshold, the first facial information of driver is obtained by the face recognition instrument in the system, wherein first face
Portion's information includes facial face information and face contour information.Wherein, the face recognition instrument continuously can be obtained dynamically and be driven
The facial information for the person of sailing, such as setting 3 minutes are a cycle, then when speed exceeds the speed limit the phenomenon that when, available driver 3
Facial information in minute.The system is after receiving the first facial information that the face recognition instrument is sent, according to right
The analysis of the first facial information can determine that the first frequency of wink of the driver within this time and head turn
Dynamic frequency.
S105: judge whether first frequency of wink and head rotation frequency reach the second predetermined threshold.
S106: when the frequency of wink and head rotation frequency do not reach the second predetermined threshold, Xiang Suoshu driver
Send the first warning message.
Specifically, the first frequency of wink for obtaining the driver by step S104 is somebody's turn to do with after head rotation frequency
System can judge first frequency of wink with head rotation frequency, judge first frequency of wink and head rotation
Whether frequency reaches the second predetermined threshold, and second predetermined threshold can wherein be set in advance in the system.As described in setting
Frequency of wink is 10 times/min in two predetermined thresholds, and head rotation frequency is 2 times/min.When the frequency of wink and head rotation
When frequency does not reach the second predetermined threshold, Xiang Suoshu driver send the first warning message, voice prompting driver hypervelocity and
State in fatigue driving, it is proposed that the information such as driver's parking rectification.
Further, the system also includes: obtain the driving path direction of vehicle, according to driving path determine traffic limit
Information processed；Determine that the driving path direction violates the traffic restricted information according to the driving path direction；It is driven
The second frequency of wink of member；Determine that the driver is in fatigue driving according to the traffic restricted information and the second frequency of wink
State.
Specifically, by the driving path direction for obtaining vehicle, i.e. the driving direction of vehicle at this time, according to driving path
The traffic restricted information that can determine the section, such as one-way road, turn information, whether can turn around, whether can be with temporary parking
Etc. information.Determine that the driving path direction violates the traffic restricted information according to the driving path direction, that is to say, that
Vehicle is in retrograde state or other violation states at present, then the system can obtain the frequency of wink of driver automatically, equally with 3
Minute it is a cycle, obtains the frequency of wink in driver 3 minutes, and second to second frequency of wink and setting is pre-
The frequency of wink determined in threshold value is compared, when second frequency of wink is lower than second predetermined threshold, according to described
Traffic restricted information and the second frequency of wink can determine that the driver is in fatigue driving state, which will start automatically
Driver is reminded in alarm.
Further, the system also includes: obtain the mouth opening and closing frequency of the driver；According to the mouth opening and closing
Frequency determines the intracorporal alcohol concentration content of the driver；Judge whether the alcohol concentration content is lower than the predetermined threshold of third
Value；When the alcohol concentration content is lower than third predetermined threshold, the body temperature information and heart rate information of the driver are determined；Sentence
Break the body temperature information of the driver and whether heart rate information meets preset condition；When the body temperature information and heart rate of the driver
When information is unsatisfactory for preset condition, Xiang Suoshu driver sends the second warning message.
Further, the system also includes: when the alcohol concentration content is lower than third predetermined threshold, described in acquisition
The facial emotions information of driver；Judge whether the facial emotions information is abnormal facial expression；When the facial emotions are believed
When breath is abnormal facial expression, third warning message is sent.
Specifically, firstly, driver's mouth opening and closing frequency in driving procedure can be obtained by the face recognition instrument
Rate, and the case where whether driver drives when intoxicated is determined by mouth opening and closing frequency, i.e., it can be obtained by the system
The intracorporal alcohol concentration content of driver, judges whether the alcohol concentration content is lower than third predetermined threshold, such as sets third
Predetermined threshold is 20mg/100ml.When the alcohol concentration content is lower than third predetermined threshold, this driver is determined not
The case where driving when intoxicated, and further determine that the body temperature information and heart rate information of the driver, to the body of the driver
Warm information is judged with heart rate information, determines whether the body temperature information and heart rate information meet preset condition, wherein described
Preset condition is set as 38 DEG C of body temperature and 120 times/min of heart rate, when the body temperature information of the driver is more than with heart rate information
When setting value in the preset condition, Xiang Suoshu driver sends the second warning message, and the driver is warned to be currently in
There are other uncomfortable symptoms for fever or body, while emergency contact's phone can be stored in the system, can drop the driver
Physical condition and position be sent to the emergency contact, and be connected to navigation system, recommend driving path for the driver
In nearest medical clinic etc..Secondly, driver's mouth opening and closing in driving procedure can be obtained by the face recognition instrument
Frequency, and obtain whether the driver has the case where drunk driving, after excluding the driver has drunk driving situation, institute can be obtained
The facial emotions information for stating driver, when abnormal facial expression, such as flushed, facial hidrosis, expression occurs in the driver
When feeling bad, third warning message is sent to the driver, reminds driver's medical treatment or parking rest, while can be to emergency contact
People or system background send the bad information of the driver condition.
Further, the system also includes: obtain the second the first facial information；Compare the first facial information
It is whether consistent with second facial information；When the first facial information and second facial information are inconsistent, determine
There are shelters for second facial information, and second facial information is sent to the driver.
Specifically, the embodiment of the present application can be suitable for simultaneously vehicle in driving status and vehicle stop state, such as exist
When vehicle stop state, by obtaining the second the first facial information, and to described the first of the driver reserved in system
Facial information is compared with second facial information, judges whether are the first facial information and second facial information
Unanimously, when the first facial information and second facial information are inconsistent, and then it can get second facial information
With the presence or absence of shelter, when there are shelters for second facial information, second facial information is sent to the driving
Member reminds driver to have other staff employing vehicle, and forbids vehicle launch.In addition, in driving status, by obtaining it
Other people facial information can send alarm signal to emergency contact etc. when the facial information of discovery other staff is there are shelter
Breath, that improves driver uses vehicle safety.
Embodiment two
Based on inventive concept same as a kind of driver's active warning system based on recognition of face in previous embodiment,
The present invention also provides a kind of driver's initiative alarming device based on recognition of face, as shown in Figure 2, comprising:
First obtains unit 11, for obtaining the travel speed of vehicle；
First judging unit 12, for judging the travel speed whether more than the first predetermined threshold；
Second obtaining unit 13, for obtaining the first of driver when the travel speed is more than the first predetermined threshold
Facial information；
First determination unit 14, for determined according to the first facial information the first frequency of wink of the driver with
Head rotation frequency；
Second judgment unit 15, for judging it is predetermined whether first frequency of wink and head rotation frequency reach second
Threshold value；
First operating unit 16, for not reaching the second predetermined threshold when the frequency of wink and head rotation frequency
When, Xiang Suoshu driver sends the first warning message.
Preferably, described device further include:
Third obtaining unit determines traffic restricted information according to driving path for obtaining the driving path direction of vehicle；
Second determination unit, for determining that the driving path direction violates the traffic according to the driving path direction
Restricted information；
4th obtaining unit, for obtaining the second frequency of wink of driver；
Third determination unit, for determining that the driver is in the second frequency of wink according to the traffic restricted information
Fatigue driving state.
Preferably, described device further include:
5th obtaining unit, for obtaining the mouth opening and closing frequency of the driver；
4th determination unit, for determining that the intracorporal alcohol concentration of the driver contains according to the mouth opening and closing frequency
Amount；
Third judging unit, for judging whether the alcohol concentration content is lower than third predetermined threshold；
5th determination unit, for determining the driver when the alcohol concentration content is lower than third predetermined threshold
Body temperature information and heart rate information；
Whether the 4th judging unit, body temperature information and heart rate information for judging the driver meet preset condition；
Second operating unit, for when the body temperature information of the driver and heart rate information are unsatisfactory for preset condition, to
The driver sends the second warning message.
Preferably, described device further include:
6th obtaining unit, for obtaining the driver when the alcohol concentration content is lower than third predetermined threshold
Facial emotions information；
5th judging unit, for judging whether the facial emotions information is abnormal facial expression；
Third operating unit, for sending third warning message when the facial emotions information is abnormal facial expression.
Preferably, described device further include:
7th obtaining unit, for obtaining the second the first facial information；
6th judging unit, it is whether consistent for comparing the first facial information and second facial information；
6th determination unit, for determining institute when the first facial information and second facial information are inconsistent
Stating the second facial information, there are shelters, and second facial information is sent to the driver.
The various change mode of driver active warning system of one of 1 embodiment one of earlier figures based on recognition of face
A kind of driver's initiative alarming device based on recognition of face of the present embodiment is equally applicable to specific example, by aforementioned right
A kind of detailed description of driver's active warning system based on recognition of face, those skilled in the art are clear that this
A kind of implementation system of driver's initiative alarming device based on recognition of face in embodiment, so in order to illustrate the succinct of book,
This will not be detailed here.
Embodiment three
Based on invention structure same as a kind of driver's active warning system based on recognition of face in previous embodiment one
Think, the present invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, which is executed by processor
A kind of the step of any system of Shi Shixian driver's active warning system based on recognition of face described previously.
Wherein, in Fig. 3, bus architecture (is represented) with bus 300, and bus 300 may include any number of interconnection
Bus and bridge, bus 300 will include the one or more processors represented by processor 302 and what memory 304 represented deposits
The various circuits of reservoir link together.Bus 300 can also will peripheral equipment, voltage-stablizer and management circuit etc. it
Various other circuits of class link together, and these are all it is known in the art, therefore, no longer carry out further to it herein
Description.Bus interface 306 provides interface between bus 300 and receiver 301 and transmitter 303.Receiver 301 and transmitter
303 can be the same element, i.e. transceiver, provide the unit for communicating over a transmission medium with various other devices.Place
It manages device 302 and is responsible for management bus 300 and common processing, and memory 304 can be used for storage processor 302 and execute behaviour
Used data when making.
Said one or multiple technical solutions in the embodiment of the present application at least have following one or more technology effects
Fruit:
A kind of driver's active warning system and device based on recognition of face that this specification embodiment provides, by obtaining
Obtain the travel speed of vehicle；Judge the travel speed whether more than the first predetermined threshold；When the travel speed is more than first
When predetermined threshold, the first facial information of driver is obtained；The first of the driver is determined according to the first facial information
Frequency of wink and head rotation frequency；Judge whether first frequency of wink and head rotation frequency reach the second predetermined threshold
Value；When the frequency of wink and head rotation frequency do not reach the second predetermined threshold, Xiang Suoshu driver sends the first report
Alert information.By the activity condition of the available facial face of face recognition instrument, obtained in time from the face activity condition of driver
The driving situation for taking driver avoids the occurrence of fatigue driving or the generation of other emergency cases, in the prior art can not solve
To driver's row real-time monitoring in driving, it is unfavorable for the safe driving of automobile, the low technical problem of safety coefficient reaches
The quickly and accurately facial characteristics variation of real-time monitoring driver, timely feedbacks early warning, avoids driver's maloperation, improve
The technical effect of drive safety.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as system, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
This specification is referring to the system, equipment (system) and computer program product according to this specification embodiment
Flowchart and/or the block diagram describes.It should be understood that can be realized by computer program instructions every in flowchart and/or the block diagram
The combination of process and/or box in one process and/or box and flowchart and/or the block diagram.It can provide these computers
Processor of the program instruction to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices
To generate a machine, so that generating use by the instruction that computer or the processor of other programmable data processing devices execute
In setting for the function that realization is specified in one or more flows of the flowchart and/or one or more blocks of the block diagram
It is standby.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of equipment, the commander equipment realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although the preferred embodiment of this specification has been described, once a person skilled in the art knows basic wounds
The property made concept, then additional changes and modifications may be made to these embodiments.So the following claims are intended to be interpreted as includes
Preferred embodiment and all change and modification for falling into this specification range.
Obviously, those skilled in the art can carry out various modification and variations without departing from this specification to this specification
Spirit and scope.In this way, if these modifications and variations of this specification belong to this specification claim and its equivalent skill
Within the scope of art, then this specification is also intended to include these modifications and variations.
Claims (7)
1. a kind of driver's active warning system based on recognition of face, which is characterized in that the system comprises:
Obtain the travel speed of vehicle；
Judge the travel speed whether more than the first predetermined threshold；
When the travel speed is more than the first predetermined threshold, the first facial information of driver is obtained；
The first frequency of wink and head rotation frequency of the driver are determined according to the first facial information；
Judge whether first frequency of wink and head rotation frequency reach the second predetermined threshold；
When the frequency of wink and head rotation frequency do not reach the second predetermined threshold, Xiang Suoshu driver sends the first report
Alert information.
2. driver's active warning system as described in claim 1, which is characterized in that the system also includes:
The driving path direction for obtaining vehicle, determines traffic restricted information according to driving path；
Determine that the driving path direction violates the traffic restricted information according to the driving path direction；
Obtain the second frequency of wink of driver；
Determine that the driver is in fatigue driving state according to the traffic restricted information and the second frequency of wink.
3. driver's active warning system as described in claim 1, which is characterized in that the system also includes:
Obtain the mouth opening and closing frequency of the driver；
The intracorporal alcohol concentration content of the driver is determined according to the mouth opening and closing frequency；
Judge whether the alcohol concentration content is lower than third predetermined threshold；
When the alcohol concentration content is lower than third predetermined threshold, the body temperature information and heart rate information of the driver are determined；
Whether the body temperature information and heart rate information for judging the driver meet preset condition；
When the body temperature information of the driver and heart rate information are unsatisfactory for preset condition, Xiang Suoshu driver sends the second alarm
Information.
4. driver's active warning system as claimed in claim 3, which is characterized in that the system also includes:
When the alcohol concentration content is lower than third predetermined threshold, the facial emotions information of the driver is obtained；
Judge whether the facial emotions information is abnormal facial expression；
When the facial emotions information is abnormal facial expression, third warning message is sent.
5. driver's active warning system as described in claim 1, which is characterized in that the system also includes:
Obtain the second the first facial information；
It compares the first facial information and whether second facial information is consistent；
When the first facial information and second facial information are inconsistent, determine that second facial information exists and block
Second facial information is sent to the driver by object.
6. a kind of driver's initiative alarming device based on recognition of face, which is characterized in that described device includes:
First obtains unit, for obtaining the travel speed of vehicle；
First judging unit, for judging the travel speed whether more than the first predetermined threshold；
Second obtaining unit, for when the travel speed is more than the first predetermined threshold, obtaining the first facial letter of driver
Breath；
First determination unit, the first frequency of wink and head for determining the driver according to the first facial information turn
Dynamic frequency；
Second judgment unit, for judging whether first frequency of wink and head rotation frequency reach the second predetermined threshold；
First operating unit, for when the frequency of wink and head rotation frequency do not reach the second predetermined threshold, to institute
It states driver and sends the first warning message.
7. a kind of driver's initiative alarming device based on recognition of face, including memory, processor and storage are on a memory
And the computer program that can be run on a processor, which is characterized in that realize that right is wanted when the processor executes described program
The step of seeking any one of 1-5 system.
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