CN104517444A - Detection system for unlawful act of using cell phones while driving - Google Patents

Detection system for unlawful act of using cell phones while driving Download PDF

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Publication number
CN104517444A
CN104517444A CN201510010142.0A CN201510010142A CN104517444A CN 104517444 A CN104517444 A CN 104517444A CN 201510010142 A CN201510010142 A CN 201510010142A CN 104517444 A CN104517444 A CN 104517444A
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China
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vehicle
driving
mobile phone
car
detection system
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CN201510010142.0A
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CN104517444B (en
Inventor
吴绍斌
李达钦
陈锴
高利
赵亚男
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Beijing Institute of Technology BIT
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Beijing Institute of Technology BIT
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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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)

Abstract

The invention discloses a detection system for the unlawful act of using cell phones while driving. The detection system is arranged on a road and can be used for automatically detecting the suspected unlawful vehicles, the drivers of which use cell phones while driving; through comparing the interrelation of the time headways between the front and back adjacent vehicles on the same lanes in the traffic flow, the suspected unlawful vehicles, the drivers of which use cell phones while driving are identified; meanwhile, two identification coefficients of the vehicles, the drivers of which use cell phones while driving are obtained according to the test result and the unlawful act is judged preliminarily; the picture information of the suspected unlawful vehicles are sent to a manual screening platform; therefore, the manual screening workload can be reduced, and the efficiency and the judging accuracy can be improved.

Description

A kind of detection system of use mobile phone illegal activities of driving
Technical field
The invention belongs to technical field of intelligent traffic, be specifically related to a kind of detection system driving to use mobile phone illegal activities.
Background technology
Driving procedure uses mobile phone phenomenon very general, has become the major reason of a lot of road traffic accident.In order to contain the traffic safety problem driving to use mobile phone to cause, the multiple countries comprising China make laws one after another and forbid driving to use mobile phone.Simultaneously, large quantifier elimination is carried out on the impact of use mobile phone on driving behavior, traffic safety both at home and abroad, analyze the Changing Pattern of the index of driver reaction time, lateral direction of car position, space headway and the speed of a motor vehicle etc. when driving to use mobile phone, have studied and use mobile phone etc. to drive the detection method of behavior of diverting one's attention based on car-mounted device identification, but use the research of mobile phone behavior also fewer about utilizing the pick-up unit identification on road to drive.At present, detect both at home and abroad and drive to use mobile phone behavior still mainly to adopt artificial cognition mode, the method recognition efficiency is low, effectively can not detect and road drives to use mobile phone behavior, therefore effectively can not contain the behavior driving to use mobile phone.
Summary of the invention
In view of this, the object of this invention is to provide a kind of detection system driving to use mobile phone illegal activities, the doubtful illegal vehicle driving to use mobile phone can be identified.
Drive to use a detection system for mobile phone illegal activities, comprise vehicle image filming apparatus, image processing apparatus, wagon detector, vehicle state analysis device and doubtful picture memory;
Described wagon detector for detecting the time headway of each car passed through in measured zone, and is numbered tested vehicle; For the Current vehicle at surveyed area, the time headway of Current vehicle and car number are issued described vehicle state analysis device by wagon detector, send the car number of synchronizing signal and Current vehicle to vehicle image filming apparatus simultaneously; Described time headway refers in the vehicle platoon travelled on same track, and front and back Adjacent vehicles is by the time interval of same section;
After described vehicle image filming apparatus receives synchronizing signal, Current vehicle is taken pictures, then picture data and car number corresponding to this picture data are issued picture processor;
Described vehicle state analysis device obtains the migration index α of this vehicle according to the time headway of the Current vehicle received kand β k, wherein: α k = H k ( Σ i = k - 5 k - 1 H i ) / 5 - - - ( 1 )
β k = ( Σ i = k - 5 k - 1 H i ) / 5 H k + 1 - - - ( 2 )
Wherein, H kand H k+1be respectively the time headway being positioned at kth adjacent before and after same track and kth+1 car, k be greater than 5 integer;
Then migration index α is judged kand β kwhether all in range of set value: if not, do not judge that a current kth car is as illegal vehicle, if so, judge that a current kth car is as doubtful illegal vehicle, the car number of this doubtful illegal vehicle is issued described image processor by vehicle state analysis device;
Described image processor finds in the picture data received from vehicle image filming apparatus the picture data that car number is consistent with the car number sent from vehicle state analysis device, to go forward side by side row relax, acquisition comprises the image of the number-plate number of vehicle and issues doubtful picture memory, drives to use the illegal activities of mobile phone to provide information for traffic administration department investigates and prosecutes.
Preferably, the migration index α of vehicle k as illegal vehicle is judged kand β krange of set value be respectively: α k∈ (1.16,1.36) and β k∈ (1.14,1.35).
Further, detection system of the present invention also comprises artificial screening platform; Described image processor also obtains the other two kinds of images comprising driver face and entire vehicle respectively, and described three kinds of images is issued doubtful picture memory while obtaining and comprising the number-plate number image of vehicle;
Whether three of doubtful illegal vehicle kinds of images are issued described artificial examination Screening Platform by described doubtful picture memory, identify further the driver of this vehicle for staff at cell phone use while driving.
Preferably, described wagon detector adopts microwave detector, infrared detector, ground induction coil or video camera to be obtained the time headway of vehicle by the mistiming of same section by front and back Adjacent vehicles in the same track of measurement.
Preferably, described vehicle image filming apparatus comprises high-definition camera and transmission line.
The present invention has following beneficial effect:
A kind of detection system driving to use mobile phone illegal activities that the present invention proposes, this device is arranged on road, automatically can detect the doubtful illegal vehicle driving to use mobile phone; Driven to use the doubtful illegal vehicle of mobile phone by the mutual relationship identification of to compare in traffic flow time headway between Adjacent vehicles before and after on same track, experimentally result obtains two migration indexes that driving uses mobile phone vehicle simultaneously, preliminary judgement is carried out to illegal activities, then the pictorial information of doubtful illegal vehicle is sent to artificial screening platform, artificial examination screening operation amount can be saved, the accuracy rate of raising the efficiency and judging.
Accompanying drawing explanation
Fig. 1 is the theory diagram of detection system of the present invention;
Fig. 2 is the schematic diagram detecting a current kth car in the present invention;
Fig. 3 is the schematic diagram detecting kth+1 car in the present invention;
Fig. 4 (a) is normal vehicle in the present invention and the statistics curve map using mobile phone vehicle time headway;
Fig. 4 (b) is normal vehicle in the present invention and the migration index α using mobile phone vehicle kexperimental data curve figure;
Fig. 4 (c) is normal vehicle in the present invention and the migration index β using mobile phone vehicle kexperimental data curve figure.
Embodiment
To develop simultaneously embodiment below in conjunction with accompanying drawing, describe the present invention.
Affect a lot of because have of time headway, comprise driver's sex, age, driving age, surrounding environment and interference of being subject to etc., driver is compensatory reactionBu Changfanying time and initiatively slow down to increase time headway when using mobile phone, so use mobile phone etc. to be one of principal element affecting time headway on the subjectivity interference of driver.Vehicle travels in track, can be subject to the impact of front truck, especially uses the vehicle (K platform) of mobile phone, and the reduction speed of a motor vehicle of meeting instinct, widens the distance with front truck, so time headway can increase; But this reduction of speed is the obvious rapid drawdown not belonging to speed with garage, and its rear car (K+1 platform) generally can't be slowed down at short notice immediately, but keeps former speeds, and thus at short notice, the time headway of rear car can reduce.Based on above analysis, the present invention considers to judge whether Current vehicle uses mobile phone in driving by analyzing by the mutual relationship of the average headway on the time headway of the Current vehicle of detection zone, the time headway of Current vehicle rear car and same track.Due to vehicle time headway with whether use mobile phone to have relation, but be mainly still subject to the impact of road conditions, therefore, in order to clearly judge that whether Current vehicle is at use mobile phone, the impact of road conditions is needed to get rid of, therefore the present invention is except calculating the time headway of Current vehicle and rear car, also calculate and use 5 car time headways before Current vehicle to calculate average headway (characterizing the state of current road conditions), ask ratio (to be defined as migration index α with the time headway of Current vehicle and average headway k), the impact of road conditions on time headway can be removed thus; In like manner, during calculating rear car front, distance (is defined as migration index β with the ratio of average headway k), and then the scope of two migration indexes using mobile phone vehicle that experimentally obtain with simulation result driving, finally by each two migration indexes calculating vehicle whether within above-mentioned scope, can judge that whether driver is at use mobile phone.
Based on above-mentioned imagination, the present invention proposes a kind of detection system driving to use mobile phone illegal activities, it is characterized in that, comprise vehicle image filming apparatus, image processing apparatus, wagon detector, vehicle state analysis device, doubtful picture memory and artificial screening platform;
Described wagon detector for detecting the time headway of each car passed through in measured zone, the speed of a motor vehicle and road traffic flow, and is numbered tested vehicle; For the Current vehicle at surveyed area, the time headway of Current vehicle and car number are issued described vehicle state analysis device by wagon detector, send the car number of synchronizing signal and Current vehicle to vehicle image filming apparatus simultaneously; Described time headway refers in the vehicle platoon travelled on same track, and two continuous vehicle headstock ends are by the time interval of a certain section;
After described vehicle image filming apparatus receives synchronizing signal, Current vehicle is taken pictures, then picture data and car number corresponding to this picture data are issued picture processor;
Described vehicle state analysis device obtains the migration index α of this vehicle according to the time headway of the Current vehicle received kand β k, wherein: α k = H k ( Σ i = k - 5 k - 1 H i ) / 5 - - - ( 1 )
β k = ( Σ i = k - 5 k - 1 H i ) / 5 H k + 1 - - - ( 2 )
Wherein, H kand H k+1be respectively the time headway of kth and kth+1 car, k be greater than 5 integer;
Then migration index α is judged kand β kwhether meet: α k∈ (1.16,1.36) and β k∈ (1.14,1.35): if met, judge that a current kth car is as doubtful illegal vehicle, issues described image processor by the car number of this doubtful illegal vehicle;
Described image processor finds in the picture data received from vehicle image filming apparatus the picture data that car number is consistent with the car number sent from vehicle state analysis device, to go forward side by side row relax, obtain the three kinds of images comprising the number-plate number of vehicle, driver face and entire vehicle respectively, and described three kinds of images are issued doubtful picture memory;
Whether three of doubtful illegal vehicle kinds of images are issued described artificial examination Screening Platform by described doubtful picture memory, identify further the driver of this vehicle for staff at cell phone use while driving.
Set forth the process determining two migration indexes below.
Real road adopts video camera carried out the video acquisition experiment of road traffic flow, and observe driver in car drive to use mobile phone behavior to identify.With Autoscope software, post-processed is carried out to video and obtain the speed of a motor vehicle of each car, time headway and all vehicle flowrate data.Applied statistics software is to calculating normal driving vehicle respectively and driving to use the speed of a motor vehicle of mobile phone vehicle, the average of time headway and variance, find to drive to use the speed of a motor vehicle of mobile phone vehicle to be less than normal driving vehicle, time headway is greater than normal driving vehicle, drive to use mobile phone vehicle can affect the traveling of rear body, wherein nearest rear body following distance can be less.Fig. 4 (a) is the analysis result of partial data.
Fig. 4 (a) data show to drive to use the time headway of mobile phone vehicle and the time headway of normal vehicle to have obvious difference.By analysis design mothod data, build formula (1) by the time headway comparing time headway and the normal vehicle driving to use mobile phone vehicle and calculate use mobile phone vehicle migration index α k, build formula (2) by the time headway comparing the drive time headway and normal vehicle that use mobile phone vehicle rear to follow vehicle and calculate use mobile phone vehicle migration index β k.Wherein the time headway of normal vehicle uses the average headway of 5 chassis (namely kth-1 is to k-5 chassis) in the front of mobile phone vehicle to represent according to driving.
α k = H k ( Σ i = k - 5 k - 1 H i ) / - - - ( 1 )
β k = ( Σ i = k - 5 k - 1 H i ) / 5 H k + 1 - - - ( 2 )
H in formula kfor the time headway between Adjacent vehicles.
Applying equation (1) and (2) are analyzed measured experimental data, and in traffic flow, the driving of each car uses handset identity factor alpha kand β k(as shown below).The migration index α of normal driving vehicle and use mobile phone vehicle kaverage is respectively 1.01 and 1.26, and variance is respectively 0.3 and 0.1; The migration index β of normal driving vehicle and use mobile phone vehicle kaverage is respectively 1.02 and 1.24, and variance is all 0.4.The migration index α of visible use mobile phone vehicle kand β kcompared with normal vehicle has obviously bigger than normal, from Fig. 4 (b) and Fig. 4 (c), uses mobile phone vehicle to be identified in α k∈ (1.16,1.36), β kthe distribution of ∈ (1.14,1.35) interval is more, and the former accounts for 89.7% of total use mobile phone vehicle, and the latter accounts for 78.3%.Normal vehicle is less in the distributed number in this interval.Mobile phone vehicle is used to be that science is feasible so detect with these two migration indexes.
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (5)

1. drive to use a detection system for mobile phone illegal activities, it is characterized in that, comprise vehicle image filming apparatus, image processing apparatus, wagon detector, vehicle state analysis device and doubtful picture memory;
Described wagon detector for detecting the time headway of each car passed through in measured zone, and is numbered tested vehicle; For the Current vehicle at surveyed area, the time headway of Current vehicle and car number are issued described vehicle state analysis device by wagon detector, send the car number of synchronizing signal and Current vehicle to vehicle image filming apparatus simultaneously; Described time headway refers in the vehicle platoon travelled on same track, and front and back Adjacent vehicles is by the time interval of same section;
After described vehicle image filming apparatus receives synchronizing signal, Current vehicle is taken pictures, then picture data and car number corresponding to this picture data are issued picture processor;
Described vehicle state analysis device obtains the migration index α of this vehicle according to the time headway of the Current vehicle received kand β k, wherein: α k = H k ( Σ i = k - 5 k - 1 H i ) / 5 - - - ( 1 )
β k = ( Σ i = k - 5 k - 1 H i ) / 5 H k + 1 - - - ( 2 )
Wherein, H kand H k+1be respectively the time headway being positioned at kth adjacent before and after same track and kth+1 car, k be greater than 5 integer;
Then migration index α is judged kand β kwhether all in range of set value: if not, do not judge that a current kth car is as illegal vehicle, if so, judge that a current kth car is as doubtful illegal vehicle, the car number of this doubtful illegal vehicle is issued described image processor by vehicle state analysis device;
Described image processor finds in the picture data received from vehicle image filming apparatus the picture data that car number is consistent with the car number sent from vehicle state analysis device, to go forward side by side row relax, acquisition comprises the image of the number-plate number of vehicle and issues doubtful picture memory, drives to use the illegal activities of mobile phone to provide information for traffic administration department investigates and prosecutes.
2. the detection system of a kind of use mobile phone illegal activities of driving as claimed in claim 1, is characterized in that, judge the migration index α of vehicle k as illegal vehicle kand β krange of set value be respectively: α k∈ (1.16,1.3 and 6) β k∈ (1.14,1.35).
3. the detection system of a kind of use mobile phone illegal activities of driving as claimed in claim 2, is characterized in that, also comprise artificial screening platform; Described image processor also obtains the other two kinds of images comprising driver face and entire vehicle respectively, and described three kinds of images is issued doubtful picture memory while obtaining and comprising the number-plate number image of vehicle;
Whether three of doubtful illegal vehicle kinds of images are issued described artificial examination Screening Platform by described doubtful picture memory, identify further the driver of this vehicle for staff at cell phone use while driving.
4. the detection system of a kind of use mobile phone illegal activities of driving as claimed in claim 2 or claim 3, it is characterized in that, described wagon detector adopts microwave detector, infrared detector, ground induction coil or video camera to be obtained the time headway of vehicle by the mistiming of same section by front and back Adjacent vehicles in the same track of measurement.
5. the detection system of a kind of use mobile phone illegal activities of driving as claimed in claim 2 or claim 3, it is characterized in that, vehicle image filming apparatus comprises high-definition camera and transmission line.
CN201510010142.0A 2015-01-08 2015-01-08 A kind of detecting system driving to use mobile phone illegal activities Expired - Fee Related CN104517444B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104809886A (en) * 2015-05-15 2015-07-29 宋秀梅 Traffic police vehicle detection platform based on data communication
CN106205271A (en) * 2016-07-08 2016-12-07 成都合纵连横数字科技有限公司 The analog systems of a kind of driving procedure mobile phone interference and method
CN106910336A (en) * 2016-11-03 2017-06-30 中兴软创科技股份有限公司 Method for obtaining the time headway coefficient of stability
CN107909819A (en) * 2017-12-14 2018-04-13 黄晓丽 A kind of video control device for being used to gather drunk driving vehicle
CN108091136A (en) * 2017-12-14 2018-05-29 阜阳裕晟电子科技有限公司 A kind of drunk driving vehicle detecting system based on video monitoring

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010050614A1 (en) * 2000-02-21 2001-12-13 Bill Yang Warning device for in-car use of mobile phones
US20080036623A1 (en) * 2006-08-11 2008-02-14 Michael Rosen Method and system for automated detection of mobile telephone usage by drivers of vehicles
CN101729975A (en) * 2008-10-23 2010-06-09 刘志 Method and device for automatically taking evidence of phone conversation behavior when driver drives vehicle
CN102592143A (en) * 2012-01-09 2012-07-18 清华大学 Method for detecting phone holding violation of driver in driving
CN203020194U (en) * 2013-01-15 2013-06-26 长安大学 Device for preventing distraction of driver based on image processing technology
CN103366506A (en) * 2013-06-27 2013-10-23 北京理工大学 Device and method for automatically monitoring telephone call behavior of driver when driving
CN104228679A (en) * 2014-09-30 2014-12-24 浙江吉利控股集团有限公司 Device for prompting phone call receiving and making in running process of vehicle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010050614A1 (en) * 2000-02-21 2001-12-13 Bill Yang Warning device for in-car use of mobile phones
US20080036623A1 (en) * 2006-08-11 2008-02-14 Michael Rosen Method and system for automated detection of mobile telephone usage by drivers of vehicles
CN101729975A (en) * 2008-10-23 2010-06-09 刘志 Method and device for automatically taking evidence of phone conversation behavior when driver drives vehicle
CN102592143A (en) * 2012-01-09 2012-07-18 清华大学 Method for detecting phone holding violation of driver in driving
CN203020194U (en) * 2013-01-15 2013-06-26 长安大学 Device for preventing distraction of driver based on image processing technology
CN103366506A (en) * 2013-06-27 2013-10-23 北京理工大学 Device and method for automatically monitoring telephone call behavior of driver when driving
CN104228679A (en) * 2014-09-30 2014-12-24 浙江吉利控股集团有限公司 Device for prompting phone call receiving and making in running process of vehicle

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104809886A (en) * 2015-05-15 2015-07-29 宋秀梅 Traffic police vehicle detection platform based on data communication
CN105185127A (en) * 2015-05-15 2015-12-23 宋秀梅 Traffic police vehicle detection platform based on data communication
CN105225498A (en) * 2015-05-15 2016-01-06 宋秀梅 Based on traffic police's vehicle detection platform of data communication
CN106205271A (en) * 2016-07-08 2016-12-07 成都合纵连横数字科技有限公司 The analog systems of a kind of driving procedure mobile phone interference and method
CN106205271B (en) * 2016-07-08 2018-12-11 成都合纵连横数字科技有限公司 A kind of simulation system and method for the interference of driving procedure mobile phone
CN106910336A (en) * 2016-11-03 2017-06-30 中兴软创科技股份有限公司 Method for obtaining the time headway coefficient of stability
CN107909819A (en) * 2017-12-14 2018-04-13 黄晓丽 A kind of video control device for being used to gather drunk driving vehicle
CN108091136A (en) * 2017-12-14 2018-05-29 阜阳裕晟电子科技有限公司 A kind of drunk driving vehicle detecting system based on video monitoring

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