CN104269060B - A kind of public transport crowding harvester based on intelligent video and method - Google Patents

A kind of public transport crowding harvester based on intelligent video and method Download PDF

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Publication number
CN104269060B
CN104269060B CN201410562978.7A CN201410562978A CN104269060B CN 104269060 B CN104269060 B CN 104269060B CN 201410562978 A CN201410562978 A CN 201410562978A CN 104269060 B CN104269060 B CN 104269060B
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crowding
public transport
module
bus
data
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CN104269060A (en
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于锡汉
潘大伟
牛元杰
季增光
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SHANDONG KAER ELECTRIC CO Ltd
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SHANDONG KAER ELECTRIC CO Ltd
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Abstract

The present invention relates to a kind of public transport crowding harvester based on intelligent video and method, when which solving existing public transport crowding data acquisition, measurement error is big, accuracy is low, do not possess real-time and technical problem targetedly, it includes board information terminal, video camera, gate controlled switch and central server, in board information terminal is provided with car, crowding analyzes module, video monitoring module, GPS module, control module and mobile communication module, in car, crowding analysis module is connected with control module, GPS module is connected with control module, mobile communication module is connected with control module, video monitoring module is analyzed module with crowding in car and is connected;Gate controlled switch is analyzed module with crowding in car and is connected, and video camera is connected with video monitoring module, and central server is connected with mobile communication module;The present invention is widely used in management and the scheduling of urban public traffic vehicles.

Description

A kind of public transport crowding harvester based on intelligent video and method
Technical field
The present invention relates to a kind of detection device and detection method, particularly relate to one and regard based on intelligence The public transport crowding harvester of frequency and method.
Background technology
Along with the growth of urban population, urban public transport congested problem has become very important society Can problem.By management and scheduling to public transit vehicle fast and accurately, alleviate the public friendship in city It is open to traffic and the congested problem of circuit increasingly becomes the emphasis that decision-making level pays close attention to.The crowded number of degrees of public transport According to being that scheduling public transport operation provides objective basis, facilitate adjustment and the vehicle resources of public bus network Reasonable disposition, and ratio passenger flow number is more scientific and intuitive, refers to be worth higher.
The at present collection to crowding mainly has a following several ways: range sensor detection technique, The crowded prompting of manual type presses key technology, based on public transport GPS and IC-card real time data technology, base Congestion degree estimation technology in the three-dimensional video-frequency of video camera.
Range sensor detection technique is to sense space length below by range sensor and incite somebody to action Output signal by wireless or wired by the way of be transferred to microcomputer, microcomputer is to public affairs The sensing result value handing over car each range sensor interior is weighted read group total, obtains congestion quotiety, Public transport congested conditions is embodied with this.But, although in this detection car, the mode of crowding is not deposited In cumulative error, but the accuracy of detection of range sensor is easily by background, weather, shelter, the moon The impact of shadow situation etc., thus cause measurement error.
The prompting of manual type is by real-time for vehicle crowding by the way of artificial button by key technology Information uploads to public transport data service center, and public transport data service center is according to public transport travelling data sequence The congestion information touch potential information that in row, different time is corresponding, it is judged that this public transport is in different time institute Whether each position at place exists crowded, obtains real-time public transport congestion state information collection, and combines each reality Time the public transport numbering corresponding to subset of public transport congestion state information collection, public transport present position obtain correspondence Each Bus information sequence.But, although to press key technology easy and simple to handle, easily in the prompting of manual type Strong by property, but crowding situation depends on artificial assumption, and collection result accuracy is low, scientific All remain to be discussed with objectivity.
It is public by GPS and IC-card Real time data acquisition based on GPS and IC-card real time data technology Hand over line alignment, site location, the public traffic network data of public transport Terminal Area Facilities, and passenger is upper and lower Station point, the bus passenger flow data of passenger getting on/off time, and according to public traffic network data and public transport Passenger flow data sets up go-outside for civilian by bus real time information table, based on this table, according to traffic model, meter Real-time public bus network passenger flow OD distribution;It is finally based on the distribution of public bus network passenger flow OD, respectively Crowding analysis is made for bus station and public bus network.But, count in real time based on GPS and IC-card Although propose website and the concept of circuit crowding according to technology, but by public bus network passenger flow OD Distribution calculates, and calculating is the mean crowding situation in a certain period, does not possess real-time And specific aim.
Above-mentioned public transport crowding data collection and analysis technology is to carry out statistical for the crowding in car Analysis, although have data as foundation, but for public traffic management is dispatched, the crowded feelings of certain car Condition has sporadic, if vehicle of sending blindly can cause the waste of resource.
So for bus station and circuit crowding collection analysis for public traffic management is dispatched more Tool science, intuitive and universality.
Summary of the invention
When the present invention is to solve existing public transport crowding data acquisition, measurement error is big, accuracy is low, Do not possess real-time and technical problem targetedly, it is provided that a kind of accuracy is high, possess real-time and The public transport crowding based on intelligent video gathered for bus station and circuit crowding targetedly Harvester and method.
The technical scheme is that, it is provided that a kind of public transport crowding collection based on intelligent video fills Putting, including board information terminal, video camera, gate controlled switch and central server, on-vehicle information is eventually In end is provided with car, crowding analyzes module, video monitoring module, GPS module, control module and movement Communication module, in car, crowding analysis module is connected with control module, and GPS module is with control module even Connecing, mobile communication module is connected with control module, and video monitoring module analyzes mould with crowding in car Block connects;Gate controlled switch is analyzed module with crowding in car and is connected, video camera and video monitoring module Connecting, central server is connected with mobile communication module.
The present invention also provides for a kind of public transport acquisition method of congestion degree based on intelligent video, including following step Rapid:
(1) public transport crowding harvester is utilized, with a predetermined period in bus driving process Crowding c, public transport road location I, the number of system time d in taken at regular intervals numbering n, bus It is believed that breath, obtain public transport travelling data sequence X, more each by collect by mobile communication module Data message is sent on central server, and in bus, crowding c is public transport crowding collection dress Put what the video image uploaded with a predetermined period had gathered;
(2) public transport travelling data sequence central server obtained and public transport data service center Vehicle Attendance Sheet contrasts, and the data that underproof for work attendance vehicle is submitted to is weeded out;
(3) data finally given are stored in the data base of central server;
(4) crowding threshold value c in definition bust, it is defined as more than the public transport driving states of this threshold value Crowded, according to public transport travelling data sequence X, crowding c in traversal retrieval bus >=ctAnd meet Analytic statistics date range (the d of user's requesta,db) data, obtain being in the numbering of congestion state nc, crowding c in bus0, public transport road location I, the public transport travelling data sequence of system time d Row Xc;
(5) a certain website I is determinediPosition range (Iia,Iib), and according to public transport travelling data sequence In Xc public transport road location I judge this data set whether in this site-bound, and according to judgement Result obtains website IiIt is in numbering n of congestion stateL, crowding c in bus0, public transport driving Position Ii, the public transport travelling data sequence X of system time dL
(6) by website IiIt is in the public transport travelling data sequence X of congestion stateLDuring according to difference every day Quarter carries out the book of final entry;
(7) travel through the data set in all of Xc, respectively obtain website IiAt every day in a certain moment dj It is in numbering n of congestion statej, crowding c in bus0, public transport road location Ii, system time dj, crowded multiplicity pjPublic transport travelling data sequence, and record total data sequence number and be designated as m;Its Middle website IiAt every day in a certain moment djCrowded multiplicity pj=(nj/nL) × 100%;
(8) by website IiAt every day in a certain moment djIt is in all public transport travelling datas of congestion state Sequence collects, and obtains website IiEach moment is in new numbering n of congestion stateL, bus Interior crowding c0, public transport road location Ii, system time tij, crowded multiplicity pijPublic transport driving Data sequence L.
It is further preferred that according to bus station crowding data acquisition lines crowding, specifically walk Rapid as follows:
(1) position range (R of a certain circuit R is determineda, Rb), ergodic data sequence L, will symbol The data set of zygonema road position range forms new numbering nr, crowding c in bus0, public transport row Truck position Ii, system time tij, crowded multiplicity pijData sequence Lr, without meeting line The data set of road position range, then the crowding coefficient of this circuit is 0;
(2) ergodic data sequence Lr, moment scope is belonged to the time range of this circuit order of classes or grades at school, I.e. tij∈(ta, tb) data set carry out screening new numbering n of compositionp, crowding c in bus0、 Public transport road location Ii, system time dij, crowded multiplicity pijData sequence LpIf, this number It is empty according to sequence, then proves that the crowding coefficient of this order of classes or grades at school is 0, otherwise calculate circuit according to this ordered series of numbers The crowding coefficients R of Rp=np/nr
(3) outlet line R is at order of classes or grades at school (ta, tb) crowding coefficients Rp
The invention has the beneficial effects as follows, the video acquisition passenger flow uploaded by analysis mobile unit is crowded Degree (i.e. crowding in bus), and analyze gathering around of a certain website of a certain moment according to passenger flow crowding Squeeze multiplicity (probability of crowded appearance) and the congestion quotiety of a certain order of classes or grades at school of a certain circuit, obtain with this Go out the crowding situation of website and circuit.The present invention is possible not only to overcome existing acquisition method of congestion degree Deficiency, passenger flow crowding in car is carried out more accurate collection analysis, and can be according in car Crowding situation analysis draws website and circuit crowding situation, eliminates the accidental factor of vehicle crowding, Make the public transport crowding data collected more rapid, more accurately, possess real-time and specific aim, Public traffic management is made to dispatch more rapid, more efficient, more scientific, intuitive and universality.
Further aspect of the present invention, by the description of detailed description below, is able to clear Ground is recorded.
Accompanying drawing explanation
Fig. 1 is the theory diagram of public transport crowding harvester of the present invention;
Fig. 2 is the bus station acquisition method of congestion degree flow chart of the present invention;
Fig. 3 is the circuit acquisition method of congestion degree flow chart of the present invention.
Reference numeral illustrates:
10. board information terminal;20. video cameras;30. gate controlled switches;40. central servers;11. In car, crowding analyzes module;12. video monitoring module;13.GPS module;14. control modules; 15. mobile communication modules.
Detailed description of the invention
As it is shown in figure 1, public transport crowding harvester based on intelligent video includes that on-vehicle information is eventually End 10, video camera 20, gate controlled switch 30 and central server 40.Board information terminal 10 is provided with In car, crowding analyzes module 11, video monitoring module 12, GPS module 13, control module 14 With mobile communication module 15, in car, crowding analysis module 11 is connected with control module 14, GPS Module 13 is connected with control module 14, and mobile communication module 15 is connected with control module 14, depending on Frequently monitoring module 12 is connected with crowding analysis module 11 in car.Gate controlled switch 30 is crowded with in car Degree is analyzed module 11 and is connected, and video camera 20 is connected with video monitoring module 12, central server 40 It is connected with mobile communication module 15.
Video camera 20 is used for shooting in car video and this video signal is sent to video monitoring module 12, in video signal is sent to car by video monitoring module 12, crowding analyzes module 11, gathers around in car Squeeze degree to analyze module 11 and calculate crowding data in bus according to video signal.Control module 14 Control mobile communication module 15 and crowding data in bus are sent to central server 40.Mobile Communication module 15 uses the mobile communication technologies such as GPRS.Gate controlled switch 30 is used for obtaining door contact interrupter Status information, after closing of the door, crowding analysis module 11 carries out the calculating of crowding, car door opening Stop calculating crowding.
Referring to figs. 2 and 3, utilize said apparatus to carry out public transport crowding collection based on intelligent video Method comprises the following steps:
Step one, utilizes and has the public transport crowding harvester of crowding acquisition function in car, With crowding c, public affairs in predetermined period taken at regular intervals numbering n, bus in bus driving process Truck position, Bank of Communications I, the data message of system time d, obtain public transport travelling data sequence X.Lead to again Cross mobile communication technology and each data message collected is sent to the center service of data processing centre On device.In bus, crowding c is to have the public transport crowding collection of crowding acquisition function in car The video image that device is uploaded with a predetermined period has gathered.
Step 2, the public transport travelling data sequence that the central server of data processing centre is obtained with The vehicle Attendance Sheet of public transport data service center contrasts, and is submitted to by underproof for work attendance vehicle Data weed out.
The data finally given are stored in the data base of central server by step 3.
Step 4, data in analysis statisticaling data storehouse thus carry out the collection of bus station crowding.
In this step, crowding acquisition step in bus station is as follows:
1) due to certain of intensity of passenger flow (i.e. unit are seating capacity) in crowding is car in car Linear transformation, therefore definable formula: intensity of passenger flow q=k1+k2C, wherein k1, k2Can be by actual field Experiment value between crowding and the number of scape determines.National regulation intensity of passenger flow is more than 8 people/m2For Crowded, the public transport crowding numerical value being calculated correspondence by above formula is crowding in bus Threshold value ct, it is defined as crowded more than the public transport driving states of this threshold value.Fill according to public transport crowding collection Put public transport travelling data sequence X (crowding c in numbering n, bus, the public transport driving position of submission Put I, system time d), crowding c in traversal retrieval bus >=ctAnd meet dividing of user's request Analysis statistics date range (is designated as (da,db)) data, obtain being in the public transport driving number of congestion state According to sequence X c (numbering nc, crowding c in bus0, public transport road location I, system time d).
2) a certain website I is determinediPosition range (Iia,Iib), and according to public transport travelling data sequence Xc (numbering nc, crowding c in bus0, public transport in public transport road location I, system time d) Road location I judges that this data set, whether in this site-bound, and must be arrived at a station according to judged result Point IiIt is in the public transport travelling data sequence X of congestion stateL(numbering nL, crowding c in bus0、 Public transport road location Ii, system time d).
3) by website IiIt is in the public transport travelling data sequence X of congestion stateLDuring according to difference every day Quarter carries out the book of final entry.
4) travel through the data set in all of Xc, respectively obtain website IiAt every day in a certain moment dj It is in public transport travelling data sequence (numbering n of congestion statej, crowding c in bus0, public transport Road location Ii, system time dj, crowded multiplicity pj), and record total data sequence number and be designated as m.
Wherein website IiAt every day in a certain moment djCrowded multiplicity pj=(nj/nL) × 100%.Certain One website crowded multiplicity sometime in a day is the highest, turns out the congested conditions of this website The most serious.
5) by website IiAt every day in a certain moment djIt is in all public transport travelling data sequences of congestion state Row collect, and obtain website IiEach moment is in new public transport travelling data sequence L of congestion state (numbering nL, crowding c in bus0, public transport road location Ii, system time tij, crowded repetition Degree pij)。
Step 5, carries out circuit crowded on the basis of drawing bus station crowding data further The collection of degree, specifically comprises the following steps that
1) position range (R of a certain circuit R is determineda, Rb), ergodic data sequence L (numbering nL, crowding c in bus0, public transport road location Ii, system time dij, crowded multiplicity pij), The data set of coincidence circuit position range is formed new data sequence Lr(numbering nr, in bus Crowding c0, public transport road location Ii, system time tij, crowded multiplicity pij), without symbol The data set of zygonema road position range, then the crowding coefficient of this circuit is 0.
2) ergodic data sequence Lr, moment scope is belonged to the time range of this circuit order of classes or grades at school, i.e. tij∈(ta, tb) data set carry out the screening new data sequence L of compositionp(numbering np, bus Interior crowding c0, public transport road location Ii, system time dij, crowded multiplicity pij).If this number It is empty according to sequence, then proves that the crowding coefficient of this order of classes or grades at school is 0, otherwise calculate circuit according to this ordered series of numbers The crowding coefficients R of Rp=np/nr.Crowding coefficient is the biggest, then crowded at this order of classes or grades at school of this circuit Situation is the most serious.
3) outlet line R is at order of classes or grades at school (ta, tb) crowding coefficients Rp
The above is not limited to the present invention only to the preferred embodiments of the present invention, right For those skilled in the art, the present invention can have various modifications and variations.Every at this In the range of bright claim limits, any modification, equivalent substitution and improvement etc. done, all should Within protection scope of the present invention.

Claims (2)

1. apply the based on intelligent video of public transport crowding harvester based on intelligent video for one kind Public transport acquisition method of congestion degree, it is characterised in that described public transport crowding based on intelligent video is adopted Acquisition means includes board information terminal, video camera, gate controlled switch and central server, described vehicle-mounted In information terminal is provided with car, crowding analyzes module, video monitoring module, GPS module, control module And mobile communication module, in described car, crowding analysis module is connected with described control module, described GPS module is connected with described control module, and described mobile communication module is connected with described control module, Described video monitoring module is analyzed module with crowding in described car and is connected;Described gate controlled switch and institute In stating car, crowding analyzes module connection, and described video camera is connected with described video monitoring module, institute State central server to be connected with described mobile communication module;
Described public transport acquisition method of congestion degree comprises the following steps:
(1) utilize described public transport crowding harvester, preset with one in bus driving process Crowding c, public transport road location I, system time d in cycle taken at regular intervals numbering n, bus Data message, obtain public transport travelling data sequence X, then will be collected by mobile communication module Each data message be sent on central server, in bus, crowding c is that public transport crowding is adopted The video image that acquisition means is uploaded with a predetermined period has gathered;
(2) public transport travelling data sequence central server obtained and public transport data service center Vehicle Attendance Sheet contrasts, and the data that underproof for work attendance vehicle is submitted to is weeded out;
(3) data finally given are stored in the data base of central server;
(4) crowding threshold value c in definition bust, it is defined as more than the public transport driving states of this threshold value Crowded, according to public transport travelling data sequence X, crowding c in traversal retrieval bus >=ctAnd meet Analytic statistics date range (the d of user's requesta,db) data, obtain being in the numbering of congestion state nc, crowding c in bus0, public transport road location I, the public transport travelling data sequence of system time d Row Xc;
(5) a certain website I is determinediPosition range (Iia,Iib), and according to public transport travelling data sequence In row Xc public transport road location I judge this data set whether in this site-bound, and according to sentencing Disconnected result obtains website IiIt is in numbering n of congestion stateL, crowding c in bus0, public transport row Truck position Ii, the public transport travelling data sequence X of system time dL
(6) by website IiIt is in the public transport travelling data sequence X of congestion stateLDifferent according to every day Moment carries out the book of final entry;
(7) travel through the data set in all of Xc, respectively obtain website IiAt every day in a certain moment dj It is in numbering n of congestion statej, crowding c in bus0, public transport road location Ii, system time dj, crowded multiplicity pjPublic transport travelling data sequence, and record total data sequence number and be designated as m;Its Middle website IiAt every day in a certain moment djCrowded multiplicity pj=(nj/nL) × 100%;
(8) by website IiAt every day in a certain moment djIt is in all public transport travelling datas of congestion state Sequence collects, and obtains website IiEach moment is in new numbering n of congestion stateL, bus Interior crowding c0, public transport road location Ii, system time tij, crowded multiplicity pijPublic transport driving Data sequence L.
Acquisition method the most according to claim 1, it is characterised in that gather around according to bus station Squeeze degrees of data and gather circuit crowding, specifically comprise the following steps that
(1) position range (R of a certain circuit R is determineda, Rb), ergodic data sequence L, will symbol The data set of zygonema road position range forms new numbering nr, crowding c in bus0, public transport row Truck position Ii, system time tij, crowded multiplicity pijData sequence Lr, without meeting line The data set of road position range, then the crowding coefficient of this circuit is 0;
(2) ergodic data sequence Lr, moment scope is belonged to the time range of this circuit order of classes or grades at school, I.e. tij∈(ta, tb) data set carry out screening new numbering n of compositionp, crowding c in bus0、 Public transport road location Ii, system time dij, crowded multiplicity pijData sequence LpIf, this number It is empty according to sequence, then proves that the crowding coefficient of this order of classes or grades at school is 0, otherwise calculate circuit according to this ordered series of numbers The crowding coefficients R of Rp=np/nr
(3) outlet line R is at order of classes or grades at school (ta, tb) crowding coefficients Rp
CN201410562978.7A 2014-10-21 A kind of public transport crowding harvester based on intelligent video and method Active CN104269060B (en)

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Application Number Priority Date Filing Date Title
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CN104269060B true CN104269060B (en) 2017-01-04

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102360534A (en) * 2011-09-23 2012-02-22 福建工程学院 Method for collecting public traffic congestion status information in real time
CN102646329A (en) * 2012-04-12 2012-08-22 深圳华宏联创科技有限公司 Intelligent public traffic system
CN202694567U (en) * 2012-01-10 2013-01-23 深圳华宏联创科技有限公司 System for accessing bus information via hand-held terminal
CN103680129A (en) * 2013-12-06 2014-03-26 深圳先进技术研究院 Method and system for monitoring operation of public transport vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102360534A (en) * 2011-09-23 2012-02-22 福建工程学院 Method for collecting public traffic congestion status information in real time
CN202694567U (en) * 2012-01-10 2013-01-23 深圳华宏联创科技有限公司 System for accessing bus information via hand-held terminal
CN102646329A (en) * 2012-04-12 2012-08-22 深圳华宏联创科技有限公司 Intelligent public traffic system
CN103680129A (en) * 2013-12-06 2014-03-26 深圳先进技术研究院 Method and system for monitoring operation of public transport vehicle

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CB03 Change of inventor or designer information

Inventor after: Yu Xihan

Inventor after: Pan Dawei

Inventor after: Niu Yuanjie

Inventor after: Ji Zengguang

Inventor before: Pan Dawei

Inventor before: Li Guoping

Inventor before: Li Chengxiang

Inventor before: Wang Xuewen

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PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A bus congestion acquisition device and method based on Intelligent Video

Effective date of registration: 20220408

Granted publication date: 20170104

Pledgee: Weihai Branch of China Merchants Bank Co.,Ltd.

Pledgor: SHANDONG KAER ELECTRIC Co.,Ltd.

Registration number: Y2022980003973