CN101673464A - Intelligent management system of fatigue driving - Google Patents
Intelligent management system of fatigue driving Download PDFInfo
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- CN101673464A CN101673464A CN200910196586A CN200910196586A CN101673464A CN 101673464 A CN101673464 A CN 101673464A CN 200910196586 A CN200910196586 A CN 200910196586A CN 200910196586 A CN200910196586 A CN 200910196586A CN 101673464 A CN101673464 A CN 101673464A
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Abstract
The invention discloses an intelligent management system of fatigue driving, which is composed of a fatigue driving automatic monitoring microprocessor arranged in each vehicle cab and an intelligentmanagement monitoring computer arranged in a traffic services center, wherein the fatigue driving automatic monitoring microprocessor comprises a facial image collection module, a user database module, a driver checking module, a fatigue monitoring and alarming module, a monitoring wireless communication module, a GPS and a voice module; the intelligent management monitoring computer comprises a driver checking module of each vehicle, a traffic services center database module, a fatigue state statistical module, a monitoring wireless communication module and an external service module. The system provides a simple and effective network-based framework for management of preventing fatigue driving; when monitoring, the system can obtain clear facial images; wireless data communication between a user side database module and the traffic services center database module monitors the fatigue state of the driver in real time; when necessary, the traffic services center database can adopt further measures.
Description
Technical field
The present invention relates generally to fields such as traffic administration, control automatically, artificial intelligence, specifically relates to a kind of intelligent management system of fatigue driving.
Background technology
Along with the raising day by day of economic level, the use of automobile more and more widely.When having made things convenient for people's trip, the traffic hazard that is produced is also more and more, is caused by fatigue driving.According to the statistics of American National highway traffic safety administration, on highway, cause about 10 ten thousand traffic hazards owing to the driver enters sleep state in driving procedure every year, wherein has 1500 directly to cause death, and 7.1 ten thousand cause personal injury.An investigation about fatigue driving was once done in certain famous website, and the result shows in 2948 online friends that participate in investigating, have 89.86% people that the fatigue driving experience was arranged; It is tired that 79.85% people will feel after driving 2-4 hour.Therefore how taking precautions against fatigue driving has become current hot issue.
Research institution from all parts of the world has at present carried out extensive studies aspect fatigue monitoring, and has obtained some achievements in research.
The doze driver of the U.S. development DDDS of system (The Drowsy Driver Detection System) that scouts.Adopt radar Doppler and complicated signal processing method, can obtain fatigue datas such as the dysphoric emotional activity of driver, frequency of wink and duration, in order to judge whether the driver dozes off or to fall asleep.This system can be made into the less instrument of volume, is installed in driver's overhead in the pilothouse, does not influence the normal driving-activity of driver fully.
China has also obtained some achievements, as Chinese patent technology " digital automobile hypervelocity, tired intelligent real-time oversight network management system ", formerly application number is the patent of CN200710080392.7, and this management system comprises parts such as running car self-recording device, less radio-frequency part, supervisory computer system.This system by detect driving speed and continuously the driving time judge driver's hypervelocity and fatigue driving, and information is in time passed to traffic control center and law enforcement traffic police.But the fatigue driving that this system detected is to decide by monitoring driver's the continuous driving time, in fact not from the monitoring of basic solution fatigue driving.And, have only voice suggestion for hypervelocity with above the continuous driving time of stipulating, and there is not brake measure, can not effectively prevent the generation of traffic hazard.As Chinese patent technology " fatigue driving monitoring system ", formerly application number is a CN200820091777.3 fatigue driving monitoring system, this system's utilization is fixed on the camera that the driver goes up the place ahead, gather driver's head photo, and upload to control center by GSM/GPRS, control center's software determines by resolving photo whether driver's vehicle driving posture is normal, analyzes driver's driving present situation.And, select to remind the driver or take to lock oily electric measure according to driver's driving fatigue degree.But fatigue monitoring partly is placed on control center, has increased the quantity of information of wireless transmission undoubtedly, had a strong impact on the real-time of monitoring, and taked fixing camera, limited driver's head rotation again, be unfavorable for follow-up fatigue detecting.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of intelligent management system of fatigue driving is provided, this system can verify whether the driver belongs to and drive without a license, and after taking corresponding measure according to the result of fatigue monitoring, Monitoring Data is transferred to traffic control center statistics, by the traffic control centre management with external service is provided.
In order to achieve the above object, intelligent management system of fatigue driving of the present invention is made up of with the intelligent management supervisory control comuter that is contained in the traffic control center the tired driving automatic monitoring microprocessor that is contained on each vehicle automobile, and the tired driving automatic monitoring microprocessor comprises:
Facial image acquisition module, this module have by a level and the rotatable infrared camera of vertical direction, are used to gather driver's face-image;
The user data library module is used to store the information data of this vehicle driver's face-image;
Checking driver module is used to verify whether the driver belongs to drives without a license, and prevents to drive without a license;
Fatigue monitoring and alarm module are used for the vehicle driver's face-image that collects is carried out fatigue monitoring, and the output fatigue state is: clear-headed, slight sleepy, and sleep, and produce sound and light alarm or brake measure according to different fatigue states;
The monitoring wireless communication module is used for transmitting and receive data to the intelligent management supervisory control comuter;
GPS and voice module are used to confirm the position of real-time positioning vehicle and realization and traffic control central straight connection words where necessary; Above-mentioned intelligent management supervisory control comuter comprises:
Each vehicle driver's authentication module is used to judge whether this driver belongs to the qualified driver who is provided external service, further prevents to drive without a license;
Traffic control centre data library module is used to be stored in registered all drivers' in traffic control center facial image information data;
The fatigue state statistical module is used to add up this driver's that the tired driving automatic monitoring microprocessor transmits times of fatigue and degree, counts indexs such as tired time, frequency, takes a decision as to whether it external service is provided;
The monitoring wireless communication module, the tired driving automatic monitoring microprocessor that is used on each vehicle receives and sends data;
The external service module is used for the statistics situation of traffic control personnel according to above-mentioned fatigue state, takes further processing (as manual intervention, contact kith and kin etc.).
Intelligent management system of fatigue driving of the present invention has following advantage and good effect compared with prior art: (1), this system provide a concisely and effectively networked framework of anti-fatigue-driving management, are convenient to practical application; (2), this system is when fatigue monitoring, the rotatable infrared camera of employing level and vertical direction, can obtain driver's face-image clearly, well solve the image quality issues that produces owing to driver's head rotation, for follow-up monitoring accuracy provides assurance; (3), this system is provided with checking driver module, each vehicle driver's authentication module of traffic control center can be stopped to drive without a license; (4) this system is by the wireless data transmission between user side database module and the traffic control centre data library module, real-time monitoring and statistical monitoring driver's fatigue conditions.If necessary, can make a response at once in the traffic control center, the mode by relevant departments help, and (as manual intervention, contact kith and kin etc.) take further measures.
Description of drawings
Fig. 1 is the synoptic diagram of intelligent management system of fatigue driving of the present invention;
Fig. 2 is the frame synoptic diagram of tired driving automatic monitoring microprocessor 10 of the present invention;
Fig. 3 is the frame synoptic diagram of intelligent management supervisory control comuter 20 of the present invention;
Fig. 4 is the workflow diagram of intelligent management system of fatigue driving of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Shown in Fig. 1,2 and 3, above-mentioned intelligent management system of fatigue driving is made up of with the intelligent management supervisory control comuter 20 that is contained in the traffic control center the tired driving automatic monitoring microprocessor 10 that is contained on each automobile,
Tired driving automatic monitoring microprocessor 10 comprises:
Facial image acquisition module 11 by a level and the rotatable infrared camera of vertical direction, according to program setting, is regulated camera level and vertical direction automatically and can clearly be gathered driver's face-image.Select for use infrared camera can be by day with evening all can operate as normal, in user side database module 12, can store driver's front in advance, the left side face of certain angle and right side face Template Information data, then with the driver's face image that collects, the utilization template matching method, (can obtain by experiment with reference to configuring basic threshold value in advance, this threshold value is represented basic similarity, image less than this threshold value abandons, get next frame), satisfying under the situation of basic threshold value, get the bigger template of similarity as reference, the running of two small machines of control, adjust the direction of camera, similarity is improved constantly, by the time to a certain degree back (can set a threshold value by experiment) thinks that then facial the collection finish.If find similarity coefficient under the lower threshold condition, show that then the driver is not driving.This module has improved the applicability of subsequent algorithm by gathering picture rich in detail constantly, prevents excuse portion rotation and the face-image disappearance that causes;
User data library module 12 is used to store all drivers' of this vehicle facial image information data, comprise this vehicle driver just, the Template Information data of side face image;
Checking driver module 13, be used to verify whether the driver belongs to drives without a license, prevent to drive without a license, by the face image that the driver is had good positioning, in customer data base 12, search the most similar template, after the affirmation, by monitoring wireless communication module 15, confirming that good face image is sent to the intelligent management supervisory control comuter 20 of traffic control center, can finish the driver identity verification work of driving this vehicle;
Fatigue monitoring and alarm module 14, the vehicle driver's face-image that is used for module 11 is collected carries out fatigue monitoring, the result of output fatigue state, and according to different fatigue state generation sound and light alarm or brake measure, wherein the eye location algorithm can be according to the special gamma characteristic of human eye, comprehensive employing level and vertical bidirectional integral projection method, frame is selected eyes image; Track algorithm then can adopt the Kalman filter method; Go out the edge of eye areas then with the Sobel operator extraction, calculate relevant feature (as upper eyelid curvature and last palpebra inferior spacing from), be input in the RBF neural network that has trained and remove to differentiate eye state, obtain clear-headed or slight sleepy or (sleep) three kinds of states of closing one's eyes.The monitoring a period of time (as 30s) that continues counts the PERCLOS value and the frequency of wink of eyes, according to configuring threshold value (per minute is safety 6～25 times as frequency of wink) in advance, judges whether fatigue of eyes.Native system is set two kinds of degree of fatigues: slight sleepy and sleep.For different degree of fatigues, produce different alerting signals.Above-mentioned slight doze state signal will drive audible-visual annunciator and report to the police to wake the driver up; Above-mentioned sleep state will drive audible-visual annunciator and detent, produce the sound and light alarm and the brake measure of high frequency;
Monitoring wireless communication module 15 is used for transmitting and receive data to intelligent management supervisory control comuter 20;
GPS and voice module 16 are used to confirm the real-time positioning vehicle location, are convenient to the direct dialogue that the traffic control center is grasped information and realized traffic control center and driver in case of necessity;
Above-mentioned intelligent management supervisory control comuter 20 comprises:
Each vehicle driver's authentication module 21 is used to judge each vehicle driver, whether belongs to the qualified external service that is provided; Determining step is: the driver's who navigates to each vehicle face image data is inquired about in traffic control centre data library module 22, found out the most similar image, confirm that back 22 records in the traffic control central database file;
Traffic control centre data library module 22 is used to be stored in facial image information and other information datas of all drivers of traffic control center registration, facial image information comprise each vehicle driver just, the Template Information data of side face image;
Fatigue state statistical module 23, be used to add up this driver's that tired driving automatic monitoring processor 10 transmits times of fatigue and degree, count indexs such as tired time, frequency, deposit traffic control centre data library module 22 records in, as whether providing the foundation of external service for it;
Monitoring wireless communication module 24 is used for receiving and the transmission data to the tired driving automatic monitoring microprocessor that is contained on each vehicle, and wireless communication technology can adopt two-forty technology such as Wibro, Ultra Mobil Broadband (UMB) or 3G;
External service module 25, according to above-mentioned fatigue state statistical module 23 statistics situations, the further processing of taking by the traffic control center, if the number of times of certain driver's fatigue is too much, or alert frequency is too fast, the traffic control center can be directly and driver's dialogue, or notice traffic police nearby handles, or notify kith and kin etc. in the very first time;
If certain driver fails in user data library module 12 by checking, confirm to belong to drive without a license, and fail once more to show then that by checking for this vehicle be unauthorized driver, but be the driver who authorizes at the traffic control center at follow-up traffic control centre data library module 22.So still, can obtain external service when needed.If twice checking all do not passed through, show that then this driver is unauthorized, be to drive without a license.So both realize the checking of electronic driving license, prevented the harm of driving without a license and being brought again, and can also provide the member to verify for follow-up external service.
Shown in Fig. 1,2,4, above-mentioned intelligent management system of fatigue driving, the workflow of the tired driving automatic monitoring microprocessor 10 of this system is, at first by a level and the rotatable infrared camera of vertical direction, gather driver's face-image 11 in real time, the checking 13 of electronic driving license is finished in inquiry in the user side database 12 in car, and the checking result is passed to intelligent management supervisory control comuter 20 records by wireless module 15.To the image of continuous acquisition,, draw eye fatigue state (being divided into slight drowsiness and sleep) in various degree subsequently through fatigue monitoring 14.At fatigue in various degree, take the precautionary measures such as sound and light alarm and braking, and the information that will characterize degree of fatigue reaches the intelligent management supervisory control comuter 20 of traffic control center with communication.
Shown in Fig. 1,3,4, above-mentioned intelligent management system of fatigue driving, the workflow of the intelligent management supervisory control comuter 20 of this system is: the member who finishes the driver verifies 21, tired information of the driver of transmitting by wireless communication module 24 reception tired driving automatic monitoring microprocessors 10 after confirming, fatigue state statistical module 23 counts indexs such as this driver's tired time, frequency, and whether decision provides external service 25.
Claims (1)
1, a kind of intelligent management system of fatigue driving, it is characterized in that: it is made up of the intelligent management supervisory control comuter (20) that is contained in the tired driving automatic monitoring microprocessor (10) on each vehicle almost car and is contained in the traffic control center, and tired driving automatic monitoring microprocessor (10) comprising:
A. facial image acquisition module (11), this module has by a level and the rotatable infrared camera of vertical direction, is used to gather driver's face-image;
B. user data library module (12) is used to store the information data of this vehicle driver's face-image;
C. verify driver's module (13), be used to verify whether the driver belongs to drives without a license, prevent to drive without a license;
D. fatigue monitoring and alarm module (14) are used for the vehicle driver's face-image that collects is carried out fatigue monitoring, and the output fatigue state is: clear-headed, slight sleepy, and sleep, and produce sound and light alarm or brake measure according to different fatigue states;
E. monitoring wireless communication module (15) is used for transmitting and receive data to the intelligent management supervisory control comuter;
F.GPS and voice module (16) are used to confirm the position of real-time positioning vehicle and realization and traffic control central straight connection words where necessary;
Above-mentioned intelligent management supervisory control comuter (20) comprising:
A. each vehicle driver's authentication module (21) is used to judge whether this each driver belongs to the qualified driver who is provided external service, further prevents to drive without a license;
B. traffic control centre data library module (22) is used to be stored in registered all drivers' in traffic control center facial image information data;
C. fatigue state statistical module (23) is used to add up this driver's that the tired driving automatic monitoring microprocessor transmits times of fatigue and degree, counts indexs such as tired time, frequency, takes a decision as to whether it external service is provided;
D. monitor wireless communication module (24), the tired driving automatic monitoring microprocessor that is used on each vehicle receives and sends data and can notify relevant departments or personnel;
E. external service module (25), the traffic control personnel are according to the statistics situation of above-mentioned fatigue state, so that take further processing.
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