CN107221156A - The method and system that a kind of real-time monitoring is driven when intoxicated - Google Patents
The method and system that a kind of real-time monitoring is driven when intoxicated Download PDFInfo
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- CN107221156A CN107221156A CN201610161423.0A CN201610161423A CN107221156A CN 107221156 A CN107221156 A CN 107221156A CN 201610161423 A CN201610161423 A CN 201610161423A CN 107221156 A CN107221156 A CN 107221156A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
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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
- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
- G06V20/54—Surveillance or monitoring of activities, e.g. for recognising suspicious objects of traffic, e.g. cars on the road, trains or boats
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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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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
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- Traffic Control Systems (AREA)
Abstract
The invention provides the method and system that a kind of monitoring of utilization image processing techniques is driven when intoxicated, belong to traffic safety technology field, it is mainly used in monitoring and track the driver driven when intoxicated in real time, sends police strength to intercept it early, reduces pernicious traffic accident incidence.The system is including the image acquisition units being made up of visible light camera and thermal infrared video camera, the graphics processing unit that visible images and thermal infrared images are pre-processed and stored, it will be seen that light image information and thermal infrared images information fusion recognize whether driver is in the scheduling unit of control unit, the tracking cell using visible image capturing head progress Car license recognition tracking drunk driving vehicle and the transfer drunk driving vehicle of police strength interception nearby of drunk driving state.By the invention it is possible to recognize the driver in drunk driving state, drunk driving vehicle is tracked, scheduling police strength intercepts drunk driving vehicle, improve the accuracy of identification of drunk driving and investigate and prosecute efficiency.
Description
Technical field
The present invention relates to field of traffic safety, more particularly to the method and system that a kind of monitoring is driven when intoxicated.
Background technology
China's vehicle driver quantity breaks through 300,000,000 high pointes, and driver's number of bits ranks first in the world, and automobile quantity occupies second place of the world, and Exploration on Train Operation Safety is increasingly paid close attention to by people while China rapidly enters automotive society.Traffic accident occupies very big proportion in road traffic accident caused by driver drives when intoxicated, and drunk driving not only brings huge injury to driver, and seriously threatens other vehicles and the safety of pedestrian.
Since from the Ministry of Public Security, " most tight in history to hand over rule " 123 commands are implemented in issue, all parts of the country, which are concentrated, carries out " drunk driving " treatment action, drunk driving causes the quantity of traffic accident to decline, but drunk driving phenomenon is still very universal, drunk driving causes the pernicious traffic accident of great casualties to happen occasionally, and administers the situation driven when intoxicated still very severe.
Present drunk driving is investigated and prosecuted sets card interception vehicular traffic mainly by traffic police on road, driver is breathed or blood testing.This mode can not detect drunk driving in real time, and the complicated cumbersome inefficiency of checking process has detection leakage phenomenon, also the driver of normal driving can be impacted.
Currently advanced drunk driving identification technology is by detecting drunk driving driving indoor location gas sensor mostly, but this method can not determine to detect containing spirituous gas whether be driver's exhalation gas, False Rate is higher, and these gas sensors is expensive, it is difficult to promote the use of.
It is therefore desirable to invent a kind of to monitor the method and system driven when intoxicated and improve the accuracy rate and efficiency of drunk driving investigation.
The content of the invention
The technical problem to be solved in the present invention is that there is provided the method and system that a kind of monitoring of utilization image processing techniques is driven when intoxicated for the existing shortcoming for recognizing that the high method equipment cost driven when intoxicated, detection method complexity, False Rate are high.
The present invention solves the technical scheme that is used of the technical problem：Construction is a kind of to monitor the system driven when intoxicated, merge visible light image information and the identification drunk driving of driver's thermal infrared images information, police strength is intercepted to it near tracking drunk driving vehicle and transfer, system includes image acquisition units, graphics processing unit, control unit, tracking cell and scheduling unit, wherein：
Described image acquisition units, for gathering the visible images of road and vehicle and the thermal infrared images of driver；
Described graphics processing unit, is preliminarily handled and is stored for the visible images and thermal infrared images to acquisition；
Described control unit, for judge driver whether drunk driving；
Described tracking cell, for recognizing and tracking drunk driving vehicle；
Described scheduling unit, drunk driving vehicle is intercepted for dispatching police strength nearby.
Image acquisition units of the present invention include：Visible image capturing head and thermal infrared camera, wherein：
The visible image capturing head, the visible images for shooting road and vehicle obtain the information such as road information, vehicle driving trace feature and car plate；
The thermal infrared camera, the thermal infrared images for obtaining driver；
Graphics processing unit of the present invention includes Visual image processing module, infrared image processing module and image storage module, wherein：
The Visual image processing module, is pre-processed for road conditions image and vehicle image to visible image capturing head collection；
The infrared image processing module, for being pre-processed to driver's thermal infrared images that thermal infrared camera is gathered；
Described image memory module, for storing visible images and thermal infrared images by pretreatment.
Control unit of the present invention includes, state of motion of vehicle identification module, driver's thermal infrared images identification module and drunk driving identification module, wherein：
The state of motion of vehicle identification module, for judging whether vehicle movement is in normal condition；
Described driver's thermal infrared images identification module, for judging whether driver is in normal condition；
The drunk driving identification module, for recognizing driver whether in state of driving when intoxicated.
The principle of described state of motion of vehicle identification module is as follows：The lane line and vehicle wheel profile that are extracted according to visible images may determine that the running status of vehicle.Under normal circumstances vehicle in straight-line travelling car body to lane line distance within the specific limits, if taking continuous 3 field pictures to find that the distance of car body to lane line exceeds normal scope, vehicle keeps left or kept to the right very much or vehicle movement track is S-shaped, it can be determined that vehicle is in abnormal motion state；
The principle of described driver's thermal infrared images identification module is as follows：Within the specific limits, its thermal infrared images has certain stability and characteristic to the temperature of human face under normal circumstances；After driver drinks, alcohol can cause the vascular dilation of skin surface, and plasma metabolism speed is accelerated, and facial temperature rise, its thermal infrared images will change.Therefore the facial thermal infrared images of the driver photographed and human face's thermal infrared images under normal circumstances are subjected to contrast and may determine that whether driver is in normal condition；
The principle of described drunk driving identification module is as follows：The reason for vehicle is in abnormal motion state, which is not necessarily driver and driven when intoxicated, to be also possible to be other reasons such as fatigue driving, except drinking drive person's cat fever also can make facial thermal infrared images change, therefore it can not accurately judge whether drunk driving according only to state of motion of vehicle or driver's thermal infrared images.The module is merged the recognition result of state of motion of vehicle identification module and driver's thermal infrared images identification module, both complement one another, and vehicle movement is only met simultaneously could recognize whether driver is drunk driving in the condition that abnormal state and driver are in abnormal condition.This method excludes the influence of the other factors such as fatigue driving, flu, improves the accuracy rate of identification drunk driving.
Construction is a kind of to be used to monitor the method driven when intoxicated, and the described method comprises the following steps：
A:Gather the visible images of road and vehicle, the picture signal of collection is simultaneously sent to graphics processing unit and is handled and stored by the thermal infrared images of driver；
B:The effective coverage of detection lane line is set according to treated road visible images, carry out canny rim detections and Hough transform searches matching lane line, with canny operators and marginal point statistics identification vehicle's contour, judge whether vehicle is in ordinary running condition with reference to the movement state information that the lane line and vehicle's contour signal detected obtains vehicle, if if then otherwise return to step A performs step C；
C：The thermal infrared images of treated driver and the thermal infrared images of the driver under the normal condition that prestores are compared, judge whether the thermal infrared images of driver is normal；If then return to step A, if otherwise performing step D；
D：Whether driver is judged in state of driving when intoxicated with reference to the movement state information of vehicle and the thermal infrared images information of driver, if otherwise return to step A, if then performing step E；
E：Start-up trace unit carries out drunk driving vehicle license plate identification, and by drunk driving vehicle license plate information transmission to scheduling unit；
F：Traffic police of the scheduling unit by drunk driving vehicle license information transfer near zone, commander traffic police intercepts drunk driving vehicle.
Described is used for the method that monitoring is driven when intoxicated, it is characterised in that the step C further comprises：
C1：Digital noise noise reduction process is carried out to the driver's thermal infrared images collected；
C2：Driver's facial positions are accurately positioned by edge feature analysis to driver's thermal infrared images after noise reduction process；
C3：Normal driver's thermal infrared images and the thermal infrared images of treated driver are stored, and the treated driver's face-image collected is contrasted with normal image, judges whether driver is in normal driving state.
Described is used for the method that monitoring is driven when intoxicated, it is characterised in that the step D further comprises：
D1：Judge whether state of motion of vehicle is normal with reference to the lane line and vehicle's contour identified；
D2：If judging, the motion conditions of now vehicle are improper, in conjunction with the information of the thermal infrared images of driver, and whether both information carry out fusion and may determine that driver in state of driving when intoxicated.
Implement the system and method that the monitoring of the present invention is driven when intoxicated, have the advantages that：The present invention relates to the method and system that detection is driven when intoxicated, wherein monitoring the system driven when intoxicated includes：Image acquisition units, graphics processing unit, control unit, tracking cell and scheduling unit, control unit further comprises state of motion of vehicle identification module, driver's thermal infrared images identification module and drunk driving identification module, control unit judges whether vehicle is in normal motion state according to state of motion of vehicle information first, further the information that includes of thermal infrared images of fusion driver may determine that driver whether drunk driving, alcohol makes vascular dilation after human body is drunk, and shell temperature, which is raised, causes the thermal infrared images of human body obvious change occur.Judge that the driver in improper driving condition is also possible to be fatigue driving, driving with poison by state of motion of vehicle identification module；By driver's thermal infrared images identification module judge the thermal infrared images of driver it is abnormal be also likely to be flu caused by, therefore according only to one of which image information recognize drunk driving it is all inaccurate.The method fusion visible light image information and driver's thermal infrared images information of monitoring drunk driving disclosed in this invention, using dual judgement, reduce empty alarm rate, whether can monitor in real time has drunk driving vehicle on road, improve the investigation efficiency driven when intoxicated.Identification driver of the present invention drive when intoxicated state method and system it is simple in construction, shoot that transmission picture expense is relatively low, can further reduce cost advantages in a wide range of popularization.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the structured flowchart that the present invention monitors system of driving when intoxicated；
Fig. 2 is the flow chart for the preferred embodiment that the present invention monitors method of driving when intoxicated；
Human face's thermal infrared images comparison diagram after Fig. 3 is normal human face's thermal infrared images and drunk.
Embodiment
As shown in figure 1, the structured flowchart for system of being driven when intoxicated for present invention monitoring.The system includes：Image acquisition units 10, graphics processing unit 20, control unit 30, tracking cell 40 and scheduling unit 50, wherein：
Image acquisition units 10, visible images and the thermal infrared images of driver for collection vehicle；
Graphics processing unit 20, is preliminarily handled for visible image signal and thermal infrared images to acquisition；
Control unit 30, for recognizing the driver in state of driving when intoxicated；
Tracking cell 40, for recognizing and tracking drunk driving vehicle；
Scheduling unit 50, drunk driving vehicle is intercepted for dispatching police strength nearby.
Specifically, image acquisition units 10 include：Visible image capturing first 101 and thermal infrared camera 102；
Preferably graphics processing unit 20, including Visual image processing module 201, infrared image processing module 202 and image storage module 203, wherein：
Visual image processing module 201, is pre-processed for road conditions image and vehicle image to visible image capturing head collection；
Infrared image processing module 202, for being pre-processed to driver's thermal infrared images that thermal infrared video camera is photographed；
Image storage module 203, for storing visible images and thermal infrared images by pretreatment.
Preferably, control unit 30 further comprises state of motion of vehicle identification module 301, driver's thermal infrared images identification module 302 and drunk driving identification module 303, wherein：
State of motion of vehicle identification module 301, for judging whether vehicle movement is in normal condition；
Driver's thermal infrared images identification module 302, for judging whether driver is in normal condition；
Drunk driving identification module 303, for recognizing driver whether in state of driving when intoxicated.
Whether the present invention can be monitored in real time has the vehicle driven when intoxicated and sends police strength to intercept vehicle of driving when intoxicated in time in road, improve the investigation efficiency of drunk driving.It is simple to judge whether driver in the state of driving when intoxicated has certain False Rate according to the thermal infrared images information of visible light image information or driver, present invention fusion visible light image information and driver of driver's thermal infrared images information identification in state of driving when intoxicated, improve the accuracy rate of identification drunk driving.
In order that those skilled in the art are better understood from technical scheme, the method for the present invention is described in detail the flow chart of the preferred embodiment for the method that the monitoring with reference to shown in Fig. 2 is driven when intoxicated, and comprises the following steps：
Step S1：The visible image capturing head and thermal infrared camera of image acquisition units gather the visible images and the thermal infrared images of driver of road and vehicle respectively；
Step S2：The visible images collected and the thermal infrared images of driver are carried out preliminary treatment and stored by graphics processing unit；
Step S3：Whether road and information of vehicles that the vehicle's contour identification module of control unit is included according to visible images, identification lane line and vehicle's contour are normal with the running status for judging vehicle, if then returning to S1, if otherwise performing S4；
Step S4：Driver's thermal infrared images identification module of control unit is contrasted the facial thermal infrared images of the treated driver collected and the normal driver face thermal infrared images pre-saved；
Step S5：The correlation factor informations such as the body temperature of the driver included according to the thermal infrared images of driver, judge whether driver is in normal condition, if if otherwise then return to S1 performs next step；
Whether the thermal infrared images information identification driver of vehicle movement information and driver in the drunk driving identification module fusion visible images of step S6 control units drives when intoxicated, if otherwise return to step S1, if then performing next step；
Step S7 tracking cell identification driver is driven when intoxicated the licence plate of vehicle, and license board information is uploaded into scheduling unit；
Step S8 scheduling units commander's surrounding police strength vehicle of being driven when intoxicated to driver is intercepted.
The method driven when intoxicated using the monitoring of the present embodiment, the visible images of road conditions and vehicle are obtained using visible image capturing head common on road, merge the thermal infrared images of driver to recognize whether driver drives when intoxicated, recognition accuracy can be effectively improved and the investigation efficiency that road vehicle improves drunk driving can be monitored in real time.
The method and system that monitoring disclosed in this invention based on image procossing is driven when intoxicated, simple in construction to install the sensor of complexity in the car, transmission image expense is relatively low further to reduce cost, and recognition methods is more accurately and reliably adapted to promote.
Embodiments of the invention are the foregoing is only, the 7 system present invention, all any modification, equivalent substitution or improvement made in spirit of the present invention and principle etc. is not limited, should be included within the scope of the present invention.
Claims (9)
1. the system that a kind of utilization image processing techniques monitoring is driven when intoxicated, it is characterised in that：The system includes image acquisition units, graphics processing unit, control unit, tracking cell and scheduling unit, wherein：
Described image acquisition units, for gathering the visible images of road and vehicle and the thermal infrared images of driver；
Described graphics processing unit, the preliminary treatments such as gray processing, noise reduction are carried out for the visible images to acquisition and thermal infrared images；
Described control unit, for recognizing the driver in state of driving when intoxicated；
Described tracking cell, for recognizing and tracking drunk driving vehicle；
The scheduling unit, drunk driving vehicle is intercepted for dispatching police strength nearby.
2. according to claim 1 monitor the system driven when intoxicated, it is characterised in that described image collecting unit includes：Visible image capturing head and thermal infrared camera, wherein：
The visible image capturing head, the visible images for shooting road, vehicle obtain the information such as road information and vehicle driving trace feature and car plate；
The thermal infrared camera, the thermal infrared images for obtaining driver.
3. according to claim 1 monitor the system driven when intoxicated, it is characterised in that described image processing unit includes Visual image processing module, infrared image processing module and image storage module, wherein：
The Visual image processing module, the pretreatment such as gray processing, denoising is carried out for road conditions image and vehicle image to visible image capturing head collection；
The infrared image processing module, driver's thermal infrared images for being photographed to thermal infrared video camera carries out denoising；
Described image memory module, for storing treated visible images and thermal infrared images.
4. according to claim 1 monitor the system driven when intoxicated, it is characterised in that described control unit includes, state of motion of vehicle identification module, driver's thermal infrared images identification module and drunk driving identification module, wherein：
The state of motion of vehicle identification module, for judging whether vehicle movement is in normal condition；
Described driver's thermal infrared images identification module, for judging whether driver is in normal condition；
The drunk driving identification module, for whether merging state of motion of vehicle information and driver's thermal infrared images information identification driver in state of driving when intoxicated.
5. the principle of state of motion of vehicle identification module according to claim 4 is as follows：The lane line and vehicle wheel profile that are extracted according to visible images may determine that the running status of vehicle, under normal circumstances vehicle in straight-line travelling car body to lane line distance within the specific limits, if taking continuous 3 field pictures to find that the distance of car body to lane line exceeds normal scope, vehicle movement track is S-shaped, it can be determined that vehicle is in abnormal motion state；
The principle of described driver's thermal infrared images identification module is as follows：Within the specific limits, its thermal infrared images has certain stability and characteristic to the temperature of human face under normal circumstances；After driver drinks, alcohol can cause the vascular dilation of skin surface, plasma metabolism speed is accelerated, facial temperature rise, its thermal infrared images will be changed, and therefore the facial thermal infrared images of the driver photographed and human face's thermal infrared images under normal circumstances are carried out contrast to such as Fig. 3 with facial thermal infrared images after drinking and may determine that whether driver is in normal condition by normal face thermal infrared images；
The principle of described drunk driving identification module is as follows：The reason for vehicle is in abnormal motion state, which is not necessarily driver and driven when intoxicated, to be also possible to be other reasons such as fatigue driving, except drinking drive person's cat fever also can make facial thermal infrared images change, therefore drunk driving can not accurately be judged whether according only to state of motion of vehicle or driver's thermal infrared images, the module is merged the recognition result of state of motion of vehicle identification module and driver's thermal infrared images identification module, only meeting vehicle movement simultaneously could recognize whether driver is drunk driving in the condition that abnormal state and driver are in abnormal condition, this method excludes fatigue driving, the influence of the other factors such as flu, improve the accuracy rate of identification drunk driving.
6. according to claim 1 monitor the system driven when intoxicated, it is characterised in that the tracking cell is used for the car plate for recognizing drunk driving vehicle, and information is uploaded into scheduling unit.
7. a kind of be used to monitor the method driven when intoxicated, it is characterised in that the described method comprises the following steps：
A:Gather the visible images of road and vehicle, the picture signal of collection is simultaneously sent to graphics processing unit and is handled and stored by the thermal infrared images of driver；
B:The effective coverage of detection lane line is set according to treated road visible images, carry out canny rim detections and Hough transform searches matching lane line, with canny operators and marginal point statistics identification vehicle's contour, judge whether vehicle is in ordinary running condition with reference to the movement state information that the lane line and vehicle's contour signal detected obtains vehicle, if if then otherwise return to step A performs step C；
C：The thermal infrared images of treated driver and the thermal infrared images of the driver under the normal condition that prestores are compared, judge whether driver status is normal；If then return to step A, if otherwise performing step D；
D：Whether driver is judged in state of driving when intoxicated with reference to the moving state identification result of vehicle and the thermal infrared images recognition result of driver, if otherwise return to step A, if then performing step E；
E：Start-up trace unit carries out drunk driving vehicle license plate identification, and by drunk driving vehicle license plate information transmission to scheduling unit；
F：Traffic police of the scheduling unit by drunk driving vehicle license information transfer near zone, commander traffic police intercepts drunk driving vehicle.
8. according to claim 7 be used to monitor the method driven when intoxicated, it is characterised in that the step C further comprises：
C1：Digital noise noise reduction process is carried out to the driver's thermal infrared images collected；
C2：Driver's facial positions are accurately positioned by edge feature analysis to driver's thermal infrared images after noise reduction process；
C3：The thermal infrared images of driver by normal driver's thermal infrared images with collecting is stored, and the driver's thermal infrared images collected and normal thermal infrared images are contrasted, and judges whether driver is in normal condition.
9. according to claim 7 be used to monitor the method driven when intoxicated, it is characterised in that the step D further comprises：
D1：Judge whether state of motion of vehicle is normal with reference to the lane line and vehicle's contour identified；
D2：If judging, the motion conditions of now vehicle are improper, in conjunction with the information of the thermal infrared images of driver, and whether both information carry out fusion and may determine that driver in state of driving when intoxicated.
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| CN201610161423.0A CN107221156A (en) | 2016-03-22 | 2016-03-22 | The method and system that a kind of real-time monitoring is driven when intoxicated |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147342A (en) * | 2018-09-21 | 2019-01-04 | 深圳市九洲电器有限公司 | A kind of drunk driving intelligent identification Method, apparatus and system |
| CN110702622A (en) * | 2019-10-12 | 2020-01-17 | 北京软通智慧城市科技有限公司 | Drunk driving vehicle identification method, device, equipment, storage medium and system |
| CN110826409A (en) * | 2019-10-09 | 2020-02-21 | 北京集光通达科技股份有限公司 | Road monitoring device and method |
| CN112418000A (en) * | 2020-11-05 | 2021-02-26 | 武汉理工大学 | Bad driving behavior detection method and system based on monocular camera |
| CN112622919A (en) * | 2020-12-28 | 2021-04-09 | 中国科学院长春光学精密机械与物理研究所 | Drunk driving automatic monitoring system and detection method |
| CN112782090A (en) * | 2020-12-28 | 2021-05-11 | 中国科学院长春光学精密机械与物理研究所 | Drunk driving automatic monitoring system and detection method |
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2016
- 2016-03-22 CN CN201610161423.0A patent/CN107221156A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147342A (en) * | 2018-09-21 | 2019-01-04 | 深圳市九洲电器有限公司 | A kind of drunk driving intelligent identification Method, apparatus and system |
| CN110826409A (en) * | 2019-10-09 | 2020-02-21 | 北京集光通达科技股份有限公司 | Road monitoring device and method |
| CN110702622A (en) * | 2019-10-12 | 2020-01-17 | 北京软通智慧城市科技有限公司 | Drunk driving vehicle identification method, device, equipment, storage medium and system |
| CN112418000A (en) * | 2020-11-05 | 2021-02-26 | 武汉理工大学 | Bad driving behavior detection method and system based on monocular camera |
| CN112418000B (en) * | 2020-11-05 | 2024-02-27 | 武汉理工大学 | Bad driving behavior detection method and system based on monocular camera |
| CN112622919A (en) * | 2020-12-28 | 2021-04-09 | 中国科学院长春光学精密机械与物理研究所 | Drunk driving automatic monitoring system and detection method |
| CN112782090A (en) * | 2020-12-28 | 2021-05-11 | 中国科学院长春光学精密机械与物理研究所 | Drunk driving automatic monitoring system and detection method |
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Application publication date: 20170929 |