CN107945514B - Method and device for acquiring and positioning information of vehicle intelligent terminal - Google Patents
Method and device for acquiring and positioning information of vehicle intelligent terminal Download PDFInfo
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- CN107945514B CN107945514B CN201711285840.7A CN201711285840A CN107945514B CN 107945514 B CN107945514 B CN 107945514B CN 201711285840 A CN201711285840 A CN 201711285840A CN 107945514 B CN107945514 B CN 107945514B
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
Abstract
The invention discloses a method and a device for collecting and positioning information of a vehicle intelligent terminal, wherein the device comprises the following steps: the system comprises terminal information acquisition base station equipment, a vehicle and terminal information matching server and a license plate recognition camera, wherein wireless signal coverage equipment and a license plate recognition system are deployed in lane areas such as a toll station lane and a transit lane, terminal information is acquired, a link is maintained, signal measurement and license plate recognition are carried out, and the terminal information and vehicle information attribution matching is realized by using a matching and positioning algorithm, so that the effect of the terminal on the vehicle is accurately determined. The method can identify the license plate of the vehicle and all terminal information carried in the vehicle, and complete the matching of the license plate information of the vehicle and the terminal information, so as to finally determine the information of personnel in the vehicle. The invention has high positioning precision of the vehicle and the terminal, and can be applied to lane scenes such as multi-lane, bidirectional lane and the like.
Description
Technical Field
The invention relates to the technical field of mobile communication, in particular to a method and a device for collecting and positioning information of an intelligent terminal of a vehicle.
Background
In recent years, with the rapid development of social economy and the improvement of public transport conditions, the traffic trunk line is more complete, people go out conveniently and quickly, the mobility of personnel plays a key role, the rapid mobility of the personnel makes public security officers difficult to obtain real information of suspect to carry out recessive identity confirmation and investigation, particularly, the specific identity matching condition of the person to be investigated cannot be checked in a specified short time at customs, security inspection and a checkpoint, and the difficulty of case detection work is increased or a large number of curves are taken. Vehicle license plate recognition and recording are widely applied to toll stations, community entrances and exits, passing gateways and the like.
How to utilize the latest information technology and network technology to more accurately combine and match the vehicle license plate information and the terminal information of personnel in the vehicle can more effectively improve the case handling efficiency and the vehicle and personnel management capacity. Meanwhile, by using the accurate terminal and vehicle data, big data analysis is carried out, the precaution effect before a case can be improved, and the public safety is improved.
Disclosure of Invention
In view of the above defects in the prior art, the technical problem to be solved by the present invention is to provide a method and an apparatus for acquiring and positioning vehicle intelligent terminal information, which can acquire, analyze and match vehicle license plate information and terminal information in a vehicle during a driving process, accurately identify the terminal and the vehicle information, and determine which vehicle the terminal belongs to. And the device for recognizing the vehicle license plate and acquiring the terminal information is provided, and meanwhile, the terminal information is matched with the vehicle license plate to complete the vehicle attribution positioning of the terminal.
In order to achieve the aim, the invention provides a method for acquiring and positioning information of an intelligent terminal of a vehicle, which comprises the following steps:
step one, terminal information acquisition base station equipment covers a wireless signal of an area, and the coverage comprises wireless signal coverage methods such as normal mobile signal coverage and mobile signal take-over; the terminal is accessed to the terminal information acquisition base station equipment in a coverage area; the terminal information acquisition base station equipment records the accessed terminal information and maintains the terminal wireless service communication; the terminal information acquisition base station equipment carries out information measurement on the uplink sending message of the terminal to obtain terminal measurement information;
secondly, the vehicle and terminal information matching server receives and records terminal measurement information and license plate information;
thirdly, calculating the most reliable lane where the terminal is located and the most reliable time point according to the terminal measurement information, wherein the most reliable time point is the time closest to the time point of license plate shooting;
step four, matching the terminal and the license plate information according to the lane and the time point, and finding out the license plate information of the lane at the latest moment through the credible lane and the moment of the terminal, wherein the latest moment difference needs to meet TthThreshold, if greater than TthIf the vehicle number plate is not found, the information is temporarily reserved, and if the vehicle number plate is matched with the information, the terminal is considered to be in the vehicle, and vehicle attribution matching of the terminal is completed;
and step five, correcting, storing and reporting the matching result.
In the above method for acquiring and positioning information of a vehicle intelligent terminal, a terminal information acquisition base station device performs information measurement on a terminal uplink transmission message, and the terminal measurement information includes: power, signal-to-noise ratio, carrier, time point and vehicle
The track number.
The above method for collecting and positioning information of the vehicle intelligent terminal includes the steps of: license plate number, lane number, time point.
In the above method for acquiring and positioning information of the vehicle intelligent terminal, the second step of calculating the most reliable lane where the terminal is located includes:
the measurement result of the terminal A at different time and different channels is Pt,cWherein t represents time and ranges from t0 to tmax; c represents a channel, the range is c0 to cmax, and the measurement result matrix of the terminal A can be obtained as { { P { (P)t0,c0，...，Ptmax,c0}；{Pt0,c1，...，Ptmax,c1}；...；{Pt0,cmax，...，Ptmax,cmaxPerforming difference operation on the measurement vectors of all channels, adding the absolute value of the difference vector and the maximum value of the lane vector to obtain a difference vector matrix between the channels, performing sliding window accumulation processing on the difference vector matrix between the channels to find a maximum peak value time point, and judging the accumulated power value sumP of the power of all the channels near the peak value time pointcChannel value of sumcThe largest considered terminal is the most trusted in channel c.
The fifth step of the method for collecting and positioning the information of the intelligent terminal of the vehicle comprises the step of correcting the matching result by utilizing the information of the occurrence time of the terminal information and the movement time of the lane vehicle.
The utility model provides a device of vehicle intelligent terminal information acquisition location, includes:
the license plate information and terminal information matching module is responsible for calculating the matching between the most credible lane and the license plate information of the terminal, achieving the matching result between the terminal and the vehicle, calculating the measurement results of different lanes and moments of the terminal, obtaining the most credible time point and the most credible lane of the terminal lane, and finding the corresponding vehicle license plate at the normal lane and moment to complete attribution matching;
the license plate recognition module is responsible for recognizing the license plate of the vehicle and reporting the recognized license plate information and the time point information to the license plate information and terminal information matching module;
the terminal service acquisition module is mainly responsible for acquiring terminal information and comprises: covering all terminals in the area with wireless signals; the terminal accesses the signaling processing and link maintenance function, so that the terminal keeps the wireless service in the terminal information acquisition base station equipment;
and the terminal measuring module is mainly responsible for measuring the power and the signal-to-noise ratio of the signals of the wireless resource positions and reporting the measured values to the license plate information and terminal information matching module.
According to the device for collecting and positioning the vehicle intelligent terminal information, the license plate information and terminal information matching module is a vehicle and terminal information matching server.
The device for collecting and positioning the information of the intelligent terminal of the vehicle is characterized in that the license plate recognition module is a license plate recognition camera.
In the above device for acquiring and positioning the vehicle intelligent terminal information, the terminal service acquisition module is a terminal information acquisition base station device.
The invention has the beneficial effects that:
the invention provides a method and a device for collecting and positioning vehicle intelligent terminal information, wherein wireless signal coverage equipment and a license plate recognition system are deployed in lane areas such as a toll station lane, a transit lane and the like, terminal information is collected, a link is maintained, signal measurement and license plate recognition are carried out, and a matching and positioning algorithm is utilized to realize attribution matching of the terminal information and the vehicle information and accurately determine the effect of the terminal on the vehicle. The method can identify the license plate of the vehicle and all terminal information carried in the vehicle, and complete the matching of the license plate information of the vehicle and the terminal information, so as to finally determine the information of personnel in the vehicle. The invention has high positioning precision of the vehicle and the terminal, and can be applied to lane scenes such as multi-lane, bidirectional lane and the like.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic diagram of a vehicle intelligent terminal information acquisition and matching process provided by an embodiment of the invention;
fig. 2 is a block diagram of an intelligent terminal information acquisition device for a vehicle according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1, a method for collecting and positioning information of a vehicle intelligent terminal includes the following steps:
step one, terminal information acquisition base station equipment covers a wireless signal of an area, and the coverage comprises wireless signal coverage methods such as normal mobile signal coverage and mobile signal take-over; the terminal is accessed to the terminal information acquisition base station equipment in a coverage area; the terminal information acquisition base station equipment records the accessed terminal information and maintains the terminal wireless service communication; the terminal information acquisition base station equipment carries out information measurement on the uplink sending message of the terminal to obtain terminal measurement information;
secondly, the vehicle and terminal information matching server receives and records terminal measurement information and license plate information;
thirdly, calculating the most reliable lane where the terminal is located and the most reliable time point according to the terminal measurement information, wherein the most reliable time point is the time closest to the time point of license plate shooting;
step four, matching the terminal and the license plate information according to the lane and the time point, and finding out the license plate information of the lane at the latest moment through the credible lane and the moment of the terminal, wherein the latest moment difference needs to meet TthThreshold, if greater than TthIf the vehicle number plate is not found, the information is temporarily reserved, and if the vehicle number plate is matched with the information, the terminal is considered to be in the vehicle, and vehicle attribution matching of the terminal is completed;
and step five, correcting, storing and reporting the matching result. Due to the occurrence of abnormal terminal information such as pedestrians, workers, and the like, result correction is required. The method comprises the step of correcting the matching result by using the information such as the occurrence time of the terminal information, the moving time of the lane vehicle and the like. One of the correction methods is that when the time length of the terminal information is far longer than the time when the vehicle is likely to appear, the terminal is a non-vehicle terminal. And simultaneously storing and reporting the matching result.
In this embodiment, in step one, the terminal information acquisition base station device performs information measurement on the terminal uplink transmission message, where the terminal measurement information includes: power, signal-to-noise ratio, carrier, time point, lane number.
In this embodiment, the step of the license plate information includes: license plate number, lane number, time point.
In this embodiment, the method for calculating the most reliable lane where the terminal is located in the second step includes:
the measurement result of the terminal A at different time and different channels is Pt,cWherein t represents time and ranges from t0 to tmax; c represents a channel, the range is c0 to cmax, and the measurement result matrix of the terminal A can be obtained as { { P { (P)t0,c0，...，Ptmax,c0}；{Pt0,c1，...，Ptmax,c1}；...；{Pt0,cmax，...，Ptmax,cmaxAnd (c) }, performing difference operation on the measurement vectors of all channels, and adding the absolute value of the difference vector and the maximum value between the lane vectors to obtain a difference vector matrix between the channels, such as channel 1 and channel 2, wherein max ({ P) }t0,c0，...，Ptmax,c0},{Pt0,c1，...，Ptmax,c1})+abs({Pt0,c0，...，Ptmax,c0}-{Pt0,c1，...，Ptmax,c1}) to obtain the difference vector value between channels, expressed as { detPt0,c01，...，detPtmax,c01}. The maximum peak time point is found by carrying out sliding window accumulation processing on the difference vector matrix among the channels, and the accumulated power value sum of the power of each channel near the peak time point is judgedcChannel value of sumcThe largest considered terminal is the most trusted in channel c.
In this embodiment, the fifth step includes performing matching result correction by using information of the terminal information occurrence time length and the lane vehicle movement time length.
As shown in fig. 2, a device for collecting and positioning information of a vehicle intelligent terminal includes:
the license plate information and terminal information matching module is responsible for calculating the matching between the most credible lane and the license plate information of the terminal, achieving the matching result between the terminal and the vehicle, calculating the measurement results of different lanes and moments of the terminal, obtaining the most credible time point and the most credible lane of the terminal lane, and finding the corresponding vehicle license plate at the normal lane and moment to complete attribution matching;
the license plate recognition module is responsible for recognizing the license plate of the vehicle and reporting the recognized license plate information and the time point information to the license plate information and terminal information matching module;
the terminal service acquisition module is mainly responsible for acquiring terminal information and comprises: covering all terminals in the area with wireless signals; the terminal accesses the signaling processing and link maintenance function, so that the terminal keeps the wireless service in the terminal information acquisition base station equipment;
and the terminal measuring module is mainly responsible for measuring the power and the signal-to-noise ratio of the signals of the wireless resource positions and reporting the measured values to the license plate information and terminal information matching module.
In this embodiment, the license plate information and terminal information matching module is a vehicle and terminal information matching server.
In this embodiment, the license plate recognition module is a license plate recognition camera.
In this embodiment, the terminal service acquisition module is a terminal information acquisition base station device.
The invention provides a method and a device for collecting and positioning vehicle intelligent terminal information, wherein wireless signal coverage equipment and a license plate recognition system are deployed in lane areas such as a toll station lane, a transit lane and the like, terminal information is collected, a link is maintained, signal measurement and license plate recognition are carried out, and a matching and positioning algorithm is utilized to realize attribution matching of the terminal information and the vehicle information and accurately determine the effect of the terminal on the vehicle. The method can identify the license plate of the vehicle and all terminal information carried in the vehicle, and complete the matching of the license plate information of the vehicle and the terminal information, so as to finally determine the information of personnel in the vehicle. The invention has high positioning precision of the vehicle and the terminal, and can be applied to lane scenes such as multi-lane, bidirectional lane and the like.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (1)
1. A method for collecting and positioning information of a vehicle intelligent terminal is characterized by comprising the following steps:
step one, terminal information acquisition base station equipment covers a wireless signal of an area, wherein the coverage comprises normal mobile signal coverage and a method for taking over the wireless signal coverage by a mobile signal; the terminal is accessed to the terminal information acquisition base station equipment in a coverage area; the terminal information acquisition base station equipment records the accessed terminal information and maintains the terminal wireless service communication; the terminal information acquisition base station equipment carries out information measurement on the uplink sending message of the terminal to obtain terminal measurement information;
secondly, the vehicle and terminal information matching server receives and records terminal measurement information and license plate information;
thirdly, calculating the most reliable lane where the terminal is located and the most reliable time point according to the terminal measurement information, wherein the most reliable time point is the time closest to the time point of license plate shooting;
step four, matching the terminal and the license plate information according to the lane and the time point, and finding out the license plate information of the lane at the latest moment through the credible lane and the moment of the terminal, wherein the latest moment difference needs to meet TthThreshold, if greater than TthIf the vehicle number plate is not found, the information is temporarily reserved, and if the vehicle number plate is matched with the information, the terminal is considered to be in the vehicle, and vehicle attribution matching of the terminal is completed;
step five, correcting, storing and reporting the matching result, wherein in the step one, the terminal information acquisition base station equipment carries out information measurement on the uplink sending message of the terminal, and the terminal measurement information comprises: power, signal-to-noise ratio, carrier wave, time point, lane number, the step two license plate information includes: and the license plate number, the lane number and the time point, wherein the method for calculating the most reliable lane where the terminal is located in the step two comprises the following steps:
the measurement result of the terminal A at different time and different channels is Pt,cWherein t represents time and ranges from t0 to tmax; c represents a channel, the range is c0 to cmax, and the measurement result matrix of the terminal A can be obtained as { { P { (P)t0,c0，...，Ptmax,c0}；{Pt0,c1，...，Ptmax,c1}；...；{Pt0,cmax，...，Ptmax,cmaxPerforming difference operation on the measurement vectors of all channels, adding the absolute value of the difference vector and the maximum value of the lane vector to obtain a difference vector matrix between the channels, performing sliding window accumulation processing on the difference vector matrix between the channels to find a maximum peak value time point, and judging the accumulated power value sumP of the power of all the channels near the peak value time pointcChannel value of sumcAnd fifthly, correcting the matching result by using the information of the occurrence time of the terminal information and the moving time of the lane vehicle.
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| CN101904161B (en) * | 2007-12-21 | 2014-07-23 | 黄金富 | A validating-monitoring system and method of traffic vehicle for validating the identity of vehicle by handset |
| CN101692314B (en) * | 2009-10-15 | 2012-10-24 | 康华武 | Method for identifying vehicle identity by using vehicle position information and application |
| CN101888589A (en) * | 2010-06-30 | 2010-11-17 | 杨青松 | Base station-based motor vehicle querying method |
| JP2013237409A (en) * | 2012-05-17 | 2013-11-28 | Hitachi Ltd | Passenger position specifying device |
| CN104766479A (en) * | 2015-01-27 | 2015-07-08 | 公安部交通管理科学研究所 | Automobile identity recognition method and device based on ultrahigh frequency radio frequency and video image dual-recognition matching |
| CN105282703B (en) * | 2015-09-29 | 2018-11-27 | 北京万集科技股份有限公司 | Contact the method and system of vehicle and interior mobile terminal |
| CN107682100A (en) * | 2017-11-14 | 2018-02-09 | 广州坤扬电子科技有限公司 | A kind of method and device of specific region intelligent terminal information gathering positioning |
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