CN111899471A - Driver fatigue monitoring system - Google Patents
Driver fatigue monitoring system Download PDFInfo
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- CN111899471A CN111899471A CN201910368891.9A CN201910368891A CN111899471A CN 111899471 A CN111899471 A CN 111899471A CN 201910368891 A CN201910368891 A CN 201910368891A CN 111899471 A CN111899471 A CN 111899471A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/06—Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms
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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 driver fatigue monitoring system and a driver fatigue monitoring device, wherein a human face image acquisition module is used for acquiring a facial image of a driver; the position acquisition module is used for acquiring a sitting position image of a driver; the processing module is used for analyzing and processing the obtained face image and sitting position data of the driver; the fatigue judging module is used for judging whether the driver is in a fatigue state; the warning module is used for warning a driver to avoid fatigue driving; and the help-seeking module is used for automatically sending a signal to the outside by the vehicle of the fatigue driver. The invention does not limit the normal driving action and posture of the driver, continuously monitors the driver in the driving process, has high sensitivity, thereby reducing traffic accidents caused by fatigue driving of the driver, reducing the incidence rate, warning and asking for help for the driver and pedestrians around vehicles, avoiding the casualties of the people around the vehicles, and not delaying the precious rescue time and road dredging time of the injured people.
Description
Technical Field
The invention relates to the technical field of driving safety, in particular to a driver fatigue monitoring system and device.
Background
According to the regulations of the road traffic safety law in China, the continuous driving time is not more than 4 hours, the continuous driving is carried out for 4 hours, the vehicle must be stopped and have a rest for more than 20 minutes and driven for a long time at night, 2 persons drive in turn, the vehicle alternately has a rest, and the driving time of each person is 2-4 hours. Although traffic regulations have been restricting fatigue driving, fatigue driving still occurs in real life to cause traffic accidents. Data of a traffic safety department show that fatigue driving is one of important reasons for causing road traffic accidents, and in order to avoid harm caused by fatigue driving, many people develop a driver fatigue monitoring system. At present, a detection method based on driving fatigue mainly focuses on objective fatigue monitoring and early warning, and objective fatigue monitoring is a method for monitoring and objectively evaluating the body indexes of a driver or the specificity of the driving behavior state in real time and prompting and early warning by means of various detection instruments.
The existing driver fatigue monitoring system has the following defects:
1. utilize physiological sensor to dress on the driver, detect driver's physiological change index, but more sensor dresses on one's body, and restriction driver normal driving action and gesture lead to the driver to be uncomfortable, cause driver's fatigue more easily.
2. The vehicle-mounted sensor is used for detecting the driving behavior of a driver and the vehicle driving state change characteristics generated by the driving behavior of the driver, but the vehicle often cannot react with the driver, the vehicle is out of control on a road, the driver and surrounding vehicles are injured and killed, a distress signal cannot be rapidly sent out, and the precious rescue time of injured personnel and the road dredging time are delayed.
Therefore, a driver fatigue monitoring system and a device are provided.
Disclosure of Invention
The present invention is directed to a driver fatigue monitoring system and device to solve the above problems.
To achieve the above object, the present invention provides a driver fatigue monitoring system, comprising:
the face image acquisition module is used for acquiring a face image of a driver;
the position acquisition module is used for acquiring a sitting position image of a driver;
the processing module is used for analyzing and processing the obtained face image and sitting position data of the driver;
the fatigue judging module is used for judging whether the driver is in a fatigue state;
the warning module is used for warning a driver to avoid fatigue driving;
and the help-seeking module is used for automatically sending a signal to the outside by the vehicle of the fatigue driver.
In the driver fatigue monitoring system, the infrared illumination module is used for still clearly capturing images and sitting posture information of the driver under the condition of insufficient light;
and the interval control module is used for acquiring the facial image and sitting posture information of the driver in a set interval time period.
In the driver fatigue monitoring system, the face image acquisition module acquires a face image of a driver, and the driver position acquisition module acquires a sitting position image of the driver, and performs noise reduction preprocessing on the acquired image.
In the above-mentioned driver fatigue monitoring system, the processing module includes:
the facial feature positioning module is used for performing feature mark positioning on facial feature points of the facial image acquired by the facial image acquisition module to form mouth and eye mark contour line data;
and the sitting posture characteristic positioning module is used for carrying out characteristic marking positioning on the sitting posture characteristic points of the images of the sitting posture positions of the driver collected by the position collecting module to form head-shoulder and chest marking coordinate data.
And the storage module is used for storing the feature mark positioning data of the facial feature positioning module and the sitting posture feature positioning module.
In the above driver fatigue monitoring system, the facial feature positioning module obtains the accurate positions of the upper and lower eyelids of the eyes of the driver and the positions of the upper and lower lips of the mouth, so as to obtain the opening distance of the eyes and determine the opening degree of the mouth.
In the driver fatigue monitoring system, the sitting posture characteristic positioning module acquires a deviation degree oblique angle and a head shaking frequency of the head of the driver deviating from a vertical set coordinate axis, and acquires a deviation degree oblique angle and a deviation height of the shoulder and the chest of the driver deviating from an origin of the set coordinate axis.
In the above driver fatigue monitoring system, the fatigue determination module includes:
the extraction module is used for reading the contour line data of the mouth mark and the eye mark of the driver in the initial state and the coordinate data of the head mark, the shoulder mark and the chest mark stored in the storage module;
the fitting module is used for fitting the images acquired by the face image acquisition module and the position acquisition module and the feature mark positioning data processed by the processing module in the driving process according to the initial state parameters stored by the storage module;
in the driver fatigue monitoring system, when the fatigue judging module judges that the driver is in a fatigue state, the warning module gives a prompt to the driver in a sound and vibration mode.
In the driver fatigue monitoring system, the distress module comprises a loud-speaking module, a GPS (global positioning system) positioning unit and a wireless network sending module, when the warning module is not closed within the preset time, the loud-speaking module starts loud-speaking to remind surrounding vehicles, and the wireless network sending module sends out distress signals and coordinates of the location of the vehicles positioned by the GPS positioning unit.
The invention provides a driver fatigue monitoring device, which is applied to a driver fatigue monitoring system comprising the control box, an emergency lamp strip, a loudspeaker, a first camera, a folding rod, a warning player, an electric telescopic rod, a second camera, a vibrating electric shock rod and a man-machine interaction interface, wherein the control box is fixedly arranged at the top of a cab, a processing module, a fatigue judging module and a help calling module are arranged in the control box, the man-machine interaction interface is fixedly arranged on the outer surface of the front end of an instrument desk, the emergency lamp strip is arranged on the periphery of the cab, the loudspeaker is further arranged on one side of the emergency lamp strip, the folding rod is fixedly arranged at the lower end of the front side of the control box, the first camera is arranged at the lower end of the folding rod, and the folding rod, the first camera and the control device thereof form a human face image acquisition module, the rear side lower extreme of control box is provided with electric telescopic handle, and electric telescopic handle's lower extreme is provided with the warning player, the warning player is located the driver's saddle directly over, the second camera is located the below of driver's cabin side window, and two sets of second camera and controlling means constitute position acquisition module, vibrations electric shock rod is located the seat upper end of driver's saddle, the warning module is constituteed to vibrations electric shock rod and the warning player of electric telescopic handle lower extreme, control box electric connection human-computer interaction interface, speaker, emergency light area, first camera, warning player, second camera and vibrations electric shock rod.
Compared with the prior art, the invention has the beneficial effects that:
the invention does not limit the normal driving action and posture of the driver, continuously monitors the driver in the driving process, has high sensitivity, thereby reducing traffic accidents caused by fatigue driving of the driver, reducing the incidence rate, warning and asking for help for the driver and pedestrians around vehicles, avoiding the casualties of the people around the vehicles, and not delaying the precious rescue time and road dredging time of the injured people.
Drawings
FIG. 1 is an overall system architecture diagram of a driver fatigue monitoring system of the present invention;
1-a face image acquisition module; 2-a position acquisition module; 3-a processing module; 4-fatigue judging module; 5-a warning module; 6-help seeking module; 7-an infrared lighting module; 8-an interval control module; 31-facial feature localization module; 32-a sitting posture feature location module; 33-a storage module; 41-an extraction module; 42-a fitting module; 61-a speaker module; 62-wireless network sending module; 63-GPS positioning unit.
Fig. 2 is a schematic view of the installation position of a driver fatigue monitoring device according to the present invention.
a-a front windshield; b-an instrument desk; c-a steering wheel; d-side window; e-driver seat; 9-a control box; 10-an emergency light strip; 11-a loudspeaker; 12-a first camera; 13-folding the rod; 14-alert player; 15-electric telescopic rod; 16-a second camera; 17-vibrating the electric shock rod; 18-human-computer interaction interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is an overall system architecture diagram of a driver fatigue monitoring system of the present invention.
As shown in fig. 1, the driver fatigue monitoring system of the embodiment includes a face image collecting module 1 for obtaining a face image of a driver, a position collecting module 2 for collecting a sitting position image of the driver, a processing module 3 for analyzing and processing the obtained face image and sitting position data of the driver, an infrared illuminating module 7 for capturing the image and sitting position information of the driver clearly under the condition of insufficient light, an interval control module 8 for collecting the face image and sitting position information of the driver at set intervals, a fatigue judging module 4 for judging whether the driver is in a fatigue state, a warning module 5 for warning the driver to avoid fatigue driving, and a distress module 6 for automatically sending a signal to the outside by a vehicle of the fatigue driver.
The processing module 3 comprises a facial feature positioning module 31 for performing feature marker positioning on facial feature points of the facial image acquired by the facial image acquisition module to form mouth and eye marker contour line data; a sitting posture characteristic positioning module 32 for performing characteristic mark positioning on sitting posture characteristic points of images of sitting posture positions of the driver acquired by the position acquisition module to form head, shoulder and chest mark coordinate data; and the storage module 33 is used for storing the feature mark positioning data of the facial feature positioning module and the sitting posture feature positioning module.
The fatigue judging module 4 comprises an extracting module 41 for reading the contour line data of the mouth and eye marks and the coordinate data of the head, shoulder and chest marks in the initial state of the driver stored in the storage module, and a fitting module 42 for fitting the images acquired by the face image acquisition module and the position acquisition module and the feature mark positioning data processed by the processing module in the driving process according to the initial state parameters stored in the storage module.
The human face image acquisition module 1 and the position acquisition module 2 acquire an initial normal state image of a driver, the facial image acquired by the human face image acquisition module is subjected to noise reduction preprocessing and is subjected to characteristic mark positioning by a facial characteristic positioning module 31 of a processing module 3, the accurate positions of upper and lower eyelids and the positions of upper and lower lips of a mouth of a normal pair of eyes of the driver are acquired, the opening distance of the pair of eyes and the opening degree of the mouth are acquired, a sitting posture characteristic positioning module 32 of the processing module 3 is used for carrying out characteristic mark positioning on sitting posture position images acquired by the position acquisition module 2 to form head, shoulder and chest mark coordinate data, the deviation oblique angle and the head shaking frequency of the head of the driver from a vertical set coordinate axis, and the deviation oblique angle and the deviation height of the deviation set coordinate axis of the shoulder and the chest of the driver are acquired, the initial data is then stored in the storage module 33.
The human face image acquisition module 1 and the position acquisition module 2 acquire a human face image and a sitting posture image of a driver at each interval time period set by the interval control module 8, when the light is not good, the infrared illumination module 7 is automatically opened for assistance in induction, after noise reduction preprocessing is performed after the images are acquired, the accurate positions of upper and lower eyelids and positions of upper and lower lips of a mouth of a normal pair of eyes of the driver in the driving process are acquired by the facial feature positioning module 31 of the processing module 3, then the opening distance of the two eyes and the opening degree of the mouth are acquired, the deviation degree oblique angle and the head shaking frequency of the head of the driver deviating from a vertical set coordinate axis in the driving process are acquired by the sitting posture feature positioning module 32 of the processing module 3, the deviation degree oblique angle and the deviation height of the deviation set origin coordinate axis of the shoulder and the chest of the driver are acquired, and after the data are acquired, the data of the initial state of the driver is extracted by an extraction module 41 in the fatigue judgment module 4, and the initial state data and the driving process state data are fitted with each other by a fitting module 42 to obtain a fitting result, wherein the fitting result is fatigue or fatigue-free, and the next cycle is performed according to the time period set by the interval control module 8 if the fitting result is not fatigue.
After the fatigue judging module 4 obtains the result of driver fatigue, the warning module 5 gives a prompt to the driver through sound and vibration modes, when the warning module 5 is not closed within the preset time, the speaker module 61 in the distress module 6 starts to speaker to remind surrounding vehicles to pay attention to the vehicles carefully, and the wireless network sending module 62 sends out a distress signal and coordinates of the location of the vehicles located by the GPS locating unit 63.
Fig. 2 is a schematic view of the installation position of a driver fatigue monitoring device according to the present invention.
As shown in fig. 2, the driver fatigue monitoring device in this embodiment is applied to the driver fatigue monitoring system of the above embodiment, and includes a control box 9, an emergency light strip 10, a speaker 11, a first camera 12, a folding rod 13, a warning player 14, an electric telescopic rod 15, a second camera 16, a vibrating electric shock rod 17 and a human-computer interaction interface 18, the control box 9 is fixedly installed at the top of the cab, the control box 9 is internally provided with a processing module 3, a fatigue judgment module 4 and a distress module 6, the human-computer interaction interface 18 is fixedly installed at the outer surface of the front end of an instrument desk b, the emergency light strip 10 is installed at the periphery of the cab, one side of the emergency light strip 10 is further provided with the speaker 11, the folding rod 13 is fixedly installed at the lower end of the front side of the control box 9, the lower end of the folding rod 13 is provided with the first camera 12, the folding rod 13, the first camera 12 and the control, the rear side lower extreme of control box 9 is provided with electric telescopic handle 15, and electric telescopic handle 15's lower extreme is provided with warning player 14, warning player 14 is located driver's seat e directly over, second camera 16 is located the below of driver's cabin side window d, position acquisition module 2 is constituteed to two sets of second camera 16 and controlling means, vibrations electric shock rod 17 is located driver's seat e's seat upper end, warning module 5 is constituteed to vibrations electric shock rod 17 and electric telescopic handle 15 lower extreme warning player 14, control box 9 electric connection human-computer interaction interface 18, speaker 11, emergency light area 10, first camera 12, warning player 14, second camera 16 and vibrations electric shock rod 17.
In the using process, a folding rod 13 is utilized to adjust the position of a first camera 12 positioned above a front windshield a and a steering wheel b, the first camera is positioned right in front of and above the face of a driver to collect face images of the driver, a second camera 16 positioned below side windows d of a cab on two sides collects sitting posture images of the driver, the face images and the sitting posture images are continuously collected in the driving process and then are transmitted to a processing module 3 of a control box 9 to be processed, after a fatigue result is obtained through fitting judgment of a fatigue judgment module 4, a vibration electric shock rod 17 starts to emit vibration and slight safe current, an electric telescopic rod 15 descends to the top of the head of the driver, a warning player 14 starts to play warning music to warn the driver, if a warning module 5 consisting of the warning player 14 and the vibration electric shock rod 17 is not closed within a set time, a loudspeaker 11 and an emergency lamp strip 10 on the periphery of the cab are started, and surrounding vehicles and pedestrians are reminded to pay attention, and casualties are reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A driver fatigue monitoring system, comprising:
the face image acquisition module is used for acquiring a face image of a driver;
the position acquisition module is used for acquiring a sitting position image of a driver;
the processing module is used for analyzing and processing the obtained face image and sitting position data of the driver;
the fatigue judging module is used for judging whether the driver is in a fatigue state;
the warning module is used for warning a driver to avoid fatigue driving;
and the help-seeking module is used for automatically sending a signal to the outside by the vehicle of the fatigue driver.
2. A driver fatigue monitoring system as claimed in claim 1, wherein: further comprising:
the infrared illumination module is used for still clearly capturing images and sitting posture information of a driver under the condition of insufficient light;
and the interval control module is used for acquiring the facial image and sitting posture information of the driver in a set interval time period.
3. A driver fatigue monitoring system as claimed in claim 1, wherein: the human face image acquisition module acquires facial images of a driver and the driver position acquisition module acquires sitting position images of the driver, and noise reduction pretreatment is carried out on the acquired images.
4. A driver fatigue monitoring system as claimed in claim 1, wherein: the processing module comprises:
the facial feature positioning module is used for performing feature mark positioning on facial feature points of the facial image acquired by the facial image acquisition module to form mouth and eye mark contour line data;
and the sitting posture characteristic positioning module is used for carrying out characteristic marking positioning on the sitting posture characteristic points of the images of the sitting posture positions of the driver collected by the position collecting module to form head-shoulder and chest marking coordinate data.
5. And the storage module is used for storing the feature mark positioning data of the facial feature positioning module and the sitting posture feature positioning module.
6. A driver fatigue monitoring system according to claim 4, wherein: the facial feature positioning module acquires the accurate positions of the upper and lower eyelids of the eyes of the driver and the positions of the upper and lower lips of the mouth, so as to acquire the opening distance of the eyes and determine the opening degree of the mouth.
7. A driver fatigue monitoring system according to claim 4, wherein: the sitting posture characteristic positioning module acquires the deviation degree oblique angle and the head shaking frequency of the head of the driver deviating from a vertical set coordinate axis, and acquires the deviation degree oblique angle and the deviation height of the deviation set coordinate axis origin of the shoulders and the chest of the driver.
8. A driver fatigue monitoring system according to claim 4, wherein: the fatigue judgment module comprises:
the extraction module is used for reading the contour line data of the mouth mark and the eye mark of the driver in the initial state and the coordinate data of the head mark, the shoulder mark and the chest mark stored in the storage module;
the fitting module is used for fitting the images acquired by the face image acquisition module and the position acquisition module and the feature mark positioning data processed by the processing module in the driving process according to the initial state parameters stored by the storage module;
a driver fatigue monitoring system as claimed in claim 1, wherein: and the warning module gives a prompt to the driver in a sound and vibration mode when the fatigue judging module judges that the driver is in a fatigue state.
9. A driver fatigue monitoring system as claimed in claim 1, wherein: the distress module comprises a loud-speaking module, a GPS positioning unit and a wireless network sending module, when the warning module is not closed within the preset time, the loud-speaking module starts to loud-speak to remind surrounding vehicles, and the wireless network sending module sends out distress signals and coordinates of the location of the vehicles positioned by the GPS positioning unit.
10. A driver fatigue monitoring device applied to a driver fatigue monitoring system comprising the device as claimed in any one of claims 1 to 9, comprising a control box (9), an emergency light strip (10), a speaker (11), a first camera (12), a folding bar (13), a warning player (14), an electric telescopic rod (15), a second camera (16), a vibrating electric shock rod (17) and a man-machine interaction interface (18), characterized in that: control box (9) fixed mounting is at the top of driver's cabin, human-computer interaction interface (18) fixed mounting is at the front end surface of instrument desk, emergency lamp area (10) are installed in the periphery of driver's cabin, and one side of emergency lamp area (10) still is provided with speaker (11), the front side lower extreme fixed mounting of control box (9) has folding rod (13), and the lower extreme of folding rod (13) is provided with first camera (12), the rear side lower extreme of control box (9) is provided with electric telescopic handle (15), and the lower extreme of electric telescopic handle (15) is provided with warning player (14), warning player (14) are located the driver's saddle directly over, second camera (16) are located the below of driver's cabin side window, vibrations electric shock stick (17) are located the seat upper end of driver's saddle, control box (9) electric connection human-computer interaction interface (18), The emergency lamp comprises a loudspeaker (11), an emergency lamp strip (10), a first camera (12), a warning player (14), a second camera (16) and a vibrating electric shock rod (17).
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Cited By (3)
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| CN113625626A (en) * | 2021-08-04 | 2021-11-09 | 张家港智能电力研究院有限公司 | Forklift management system with real-time monitoring function |
| CN113990030A (en) * | 2021-10-19 | 2022-01-28 | 车泰数据科技(无锡)有限公司 | Driver safety monitoring system |
| CN114596687A (en) * | 2020-12-01 | 2022-06-07 | 咸瑞科技股份有限公司 | In-vehicle driving monitoring system |
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Application publication date: 20201106 |