CN108596688A - A kind of taxi passenger information acquisition methods and medium - Google Patents

A kind of taxi passenger information acquisition methods and medium Download PDF

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Publication number
CN108596688A
CN108596688A CN201810437888.3A CN201810437888A CN108596688A CN 108596688 A CN108596688 A CN 108596688A CN 201810437888 A CN201810437888 A CN 201810437888A CN 108596688 A CN108596688 A CN 108596688A
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Prior art keywords
information
taxi
bus
passenger
getting
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王勇
高慧
杨育鸿
姚谌超
洪艺玲
林泉春
方淑金
杨文彬
罗艺达
余少康
柯志彬
林炜琪
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Xiamen Gnss Development Co Ltd
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Xiamen Gnss Development Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00Commerce
    • G06Q30/02Marketing; Price estimation or determination; Fundraising
    • G06Q30/0201Market modelling; Market analysis; Collecting market data
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/40Business processes related to the transportation industry
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00Scenes; Scene-specific elements
    • G06V20/50Context or environment of the image
    • G06V20/59Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161Detection; Localisation; Normalisation
    • G06V40/166Detection; Localisation; Normalisation using acquisition arrangements

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  • Business, Economics & Management (AREA)
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  • General Health & Medical Sciences (AREA)
  • General Business, Economics & Management (AREA)
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  • Entrepreneurship & Innovation (AREA)
  • Health & Medical Sciences (AREA)
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  • Game Theory and Decision Science (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Data Mining & Analysis (AREA)
  • Human Computer Interaction (AREA)
  • Human Resources & Organizations (AREA)
  • Primary Health Care (AREA)
  • Tourism & Hospitality (AREA)
  • Traffic Control Systems (AREA)

Abstract

The invention discloses a kind of taxi passenger information acquisition methods, including obtain the information of getting on the bus of the cab-getter;The corresponding information of vehicles of information of getting on the bus described in acquisition;According to the acquisition of information passengers quantity of getting on the bus, establishes the passengers quantity and be associated with and store with the information of vehicles.By obtaining information of getting on the bus, information of vehicles and the accurate passengers quantity of passenger, the daily operation behavior of taxi can be counted from multiple dimensions.To provide effective data foundation for relevant departments' progress traffic control and decision.Correspondingly, the invention also discloses a kind of computer readable storage mediums, and the effect of provided taxi passenger information acquisition methods equally can be achieved.

Description

A kind of taxi passenger information acquisition methods and medium
Technical field
The present invention relates to traffic information technical fields, and in particular to a kind of taxi passenger information acquisition methods and medium.
Background technology
Taxi is active in daily life, he provides communications and transportation in the form of can employ temporarily for passenger Service.And traffic department reduces and hands over by the way that the reasonable management and control of taxi operation progress, can effectively releive urban traffic pressure Logical congestion and so on.
Currently, counting mostly by acquiring the pricing information of taximeter for taxi operation information, and then it is right The operation state of taxi is counted.However, the analysis result that this mode is generated can not comprehensively react urban transportation The corresponding volume of traffic situation of change of middle each department different periods.Traffic department is caused to carry out taxi operation according to the analysis result There are irrationalities for management and control.
Invention content
The purpose of the present invention is to provide a kind of taxi passenger information analysis methods, can overcome existing analysis method institute The analysis result obtained is single, the shortcomings that cannot be satisfied relevant departments' dispatching requirement.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is:
A kind of taxi passenger information acquisition methods, including:
Obtain the information of getting on the bus of the cab-getter;
The corresponding information of vehicles of information of getting on the bus described in acquisition;
According to the acquisition of information passengers quantity of getting on the bus, establishes the passengers quantity and be associated with and store with the information of vehicles.
Further, the information of vehicles includes the current location information, current of the corresponding taxi of information of getting on the bus Temporal information and vehicle ID.
Further, the information of getting on the bus for obtaining the cab-getter, specially:
Default tire pressure threshold value, obtains the tire pressure of the taxi in real time;
Judge whether the tire pressure reaches tire pressure threshold value;
If so, confirming that the taxi has passenger loading, and generate information of getting on the bus.
Further, the corresponding information of vehicles of information of getting on the bus described in the acquisition further includes later:
Default passengers quantity obtains duration, obtains duration according to the passengers quantity and the current time information calculates passenger Quantity obtains the time.
Further, it gets on the bus described in the basis acquisition of information passengers quantity, specially:
According to the information of getting on the bus got, passenger image information is obtained by high-definition camera;
The passenger image information is divided into human face region and non-face region according to fuzzy rule;
Passengers quantity is calculated according to the human face region quantity.
Further, further include:
Default carrying database, the carrying database includes time parameter, positional parameter and passengers quantity parameter;
The positional parameter includes multiple preset localization regions, and the time parameter includes multiple preset time sections;
Judge the affiliated localization region of passengers quantity associated with it and time section according to the information of vehicles;
The passengers quantity counting quantity of passengers parameter for being included according to each time parameter and positional parameter.
Correspondingly, the invention also discloses a kind of computer readable storage mediums:The computer readable storage medium is deposited Computer program is contained, the computer program is when being executed by processor, it can be achieved that above-mentioned taxi passenger information acquisition side The step of method.
The beneficial effects of the present invention are:By obtaining the information of getting on the bus of cab-getter, and then obtained according to information of getting on the bus Take the quantity information of the carrying passenger of corresponding information of getting on the bus.The operation information of taxi can precisely be counted, be Ministry of Communications Door carries out related management and control and decision provides effective analysis data.
Description of the drawings
Fig. 1 is a kind of flow diagram of taxi passenger information acquisition methods of the present invention;
Fig. 2 is the flow diagram of an embodiment of the present invention.
Specific implementation mode
Exemplary embodiments of the present invention are described in detail with reference to the accompanying drawings.Illustrative embodiments are retouched The purpose merely for the sake of demonstration is stated, and is definitely not to the present invention and its application or the limitation of usage.
The design of most critical of the present invention is:By obtaining the information of getting on the bus of cab-getter, and then according to information of getting on the bus Obtain the quantity information of the carrying passenger of corresponding information of getting on the bus.The operation information of taxi can precisely be counted, be traffic Department carries out related management and control and decision provides effective analysis data.
Embodiment
Referring to Fig.1 and 2, a kind of taxi passenger information acquisition methods provided by the invention, including:
Obtain the information of getting on the bus of cab-getter.It is found that the acquisition modes of passenger loading information can there are many.For example, passing through It obtains meter on taxi and presses the beginning pricing information generated later, to obtain the information of getting on the bus of passenger;Alternatively, passing through The heat transfer agent for obtaining taxi car door inductor, obtains the information of getting on the bus of passenger.Carried out on passenger by the switch of car door The judgement of vehicle.
It is preferably carried out mode as one, a kind of taxi passenger information acquisition methods provided by the present invention pass through:In advance If tire pressure threshold value, the tire pressure of taxi is obtained in real time, and judges whether tire pressure reaches tire pressure threshold value;If so, really Recognizing the taxi has passenger loading, generates information of getting on the bus.That is, taxi corresponding conjunction when only having one people of driver on setting taxi Tire pressure value is managed, to according to judging whether tire pressure gets on the bus behavior beyond threshold value to judge personnel.In this way, taxi can be obtained accurately Carry the behavior of passenger.
Acquisition is got on the bus the corresponding information of vehicles of information.The information of vehicles preferably includes the corresponding taxi of information of getting on the bus Current location information, current time information and vehicle ID.It should be noted that information of vehicles also may include that the taxi corresponds to Driver information, history evaluation value, credit value etc..Wherein, current location information can pass through the GPS positioning mould of taxi itself Block, Beidou navigation module or the mobile terminal of driver obtain;Current time information can according to get letter of getting on the bus When the local zone time of processor or processor transmit information to local when server after server gets information when breath Between;Vehicle ID is unique recognizable label of preset each taxi.
According to acquisition of information passengers quantity of getting on the bus, establishes passengers quantity and be associated with and store with information of vehicles.Wherein, ridership The acquisition modes of amount can there are many.For example, by the way that pressure sensor is arranged in passenger seat, obtained by pressure sensor Heat transfer agent carries out the calculating of passengers quantity;Alternatively, by installing infrared inductor at each car door, pass through infrared inductor The induction information of acquisition carries out the calculating of passengers quantity.Then these modes to the acquisition of passengers quantity because of various reasons its tie Fruit is not accurate enough.For example, when there is passenger's carrying luggage to get on the bus, the placement of luggage can cause stress sensor for number Erroneous judgement, when passenger gets on the bus in a manner of being closer to, be easy to cause erroneous judgement etc. of the infrared inductor for passengers quantity.
As a preferred embodiment, a kind of taxi passenger information acquisition methods provided by the present invention pass through people Face identification technology obtains passengers quantity.
Specifically, orientation is arranged where it can obtain passenger in taxi in high-definition camera.For example, after taxi car Orientation where visor.By after getting and getting on the bus information, that is, after confirming that taxi has passenger loading.Start high-definition camera It takes pictures, obtains the image information of passenger in taxi.And image is believed according to the Fuzzy Calculation rule of face recognition technology Breath is divided into human face region and non-face region according to face characteristic.Finally, passengers quantity is calculated according to the quantity of human face region. It should be noted that the step of obtaining passengers quantity by image information carries out recognition of face can be in high-definition camera The microprocessor set executes, and can also be executed by sending data to background server.This programme preferably passes through high definition Microprocessor in camera carries out the analysis of passengers quantity, and then after an analysis, then passengers quantity that analysis is obtained or Passengers quantity and passenger image information are sent to server.In this way, can largely mitigate the calculating pressure of server, and And it can guarantee the accuracy that passengers quantity obtains.
As a preferred embodiment, a kind of taxi passenger information acquisition methods provided by the present invention further include:
Default passengers quantity obtains duration, obtains duration according to passengers quantity and current time information calculates passengers quantity and obtains Time.The reasonable acquisition opportunity of an i.e. default passengers quantity, after getting the corresponding current local time of passenger loading information, Carry out the calculating that passengers quantity obtains opportunity.And then can guarantee the accuracy that passengers quantity obtains, and equipment is reduced because repeatedly Obtain and caused by be lost.
As a preferred embodiment, a kind of taxi passenger information acquisition methods provided by the present invention further include:
Default carrying database, which includes time parameter, positional parameter and passengers quantity parameter.Wherein, the time Parameter includes multiple preset time sections, which can be arranged as required to.For example, according to working day, day off, section The history operation information such as holiday, working hour, peak period carries out the division of time section;Positional parameter includes multiple preset Localization region can carry out the division in region according to each area, street or trend of road in city.Then, the vehicle that will be got Information and passengers quantity;According to current location information included in information of vehicles and current time information by passengers quantity And information of vehicles is stored respectively.In turn, by the information of storage carry out each region, day part passengers quantity parameter system Meter.It should be noted that according to the carrying database, produce each region, day part passengers quantity change curve.With visual The mode of change carries out traffic control for relevant departments or decision provides foundation.Alternatively, the carrying database also can be subsequently with machine Device learns or the mode of deep learning establishes each region, the passengers quantity variation prediction model of day part provides data and supports.
Correspondingly, the present invention also provides a kind of computer readable storage medium, which has Computer program, the computer program is when being executed by processor, it can be achieved that the step of above-mentioned taxi passenger information acquisition methods Suddenly.
A kind of taxi passenger information acquisition methods of the present invention compared with prior art, pass through the letter of getting on the bus of acquisition passenger Breath, information of vehicles and accurate passengers quantity can count the daily operation behavior of taxi from multiple dimensions.To be correlation Department carries out traffic control and decision provides effective data foundation.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, include similarly In the scope of patent protection of the present invention.

Claims (7)

1. a kind of taxi passenger information acquisition methods, which is characterized in that including:
Obtain the information of getting on the bus of the cab-getter;
The corresponding information of vehicles of information of getting on the bus described in acquisition;
According to the acquisition of information passengers quantity of getting on the bus, establishes the passengers quantity and be associated with and store with the information of vehicles.
2. a kind of taxi passenger information acquisition methods as described in claim 1, it is characterised in that:
The information of vehicles includes current location information, current time information and the vehicle of the corresponding taxi of information of getting on the bus ID.
3. a kind of taxi passenger information acquisition methods as described in claim 1, which is characterized in that described to obtain the taxi The information of getting on the bus of vehicle passenger, specially:
Default tire pressure threshold value, obtains the tire pressure of the taxi in real time;
Judge whether the tire pressure reaches tire pressure threshold value;
If so, confirming that the taxi has passenger loading, and generate information of getting on the bus.
4. a kind of taxi passenger information acquisition methods as claimed in claim 2, which is characterized in that get on the bus described in the acquisition The corresponding information of vehicles of information further includes later:
Default passengers quantity obtains duration, obtains duration according to the passengers quantity and the current time information calculates passenger Quantity obtains the time.
5. a kind of taxi passenger information acquisition methods as described in claim 1, which is characterized in that get on the bus described in the basis Acquisition of information passengers quantity, specially:
According to the information of getting on the bus got, passenger image information is obtained by high-definition camera;
The passenger image information is divided into human face region and non-face region according to fuzzy rule;
Passengers quantity is calculated according to the human face region quantity.
6. a kind of taxi passenger information acquisition methods as described in claim 1, which is characterized in that further include:
Default carrying database, the carrying database includes time parameter, positional parameter and passengers quantity parameter;
The positional parameter includes multiple preset localization regions, and the time parameter includes multiple preset time sections;
Judge the affiliated localization region of passengers quantity associated with it and time section according to the information of vehicles;
The passengers quantity counting quantity of passengers parameter for being included according to each time parameter and positional parameter.
7. a kind of computer readable storage medium, it is characterised in that:The computer-readable recording medium storage has computer journey Sequence, the computer program is when being executed by processor, it can be achieved that a kind of taxi passenger information described in claim 1 to 6 The step of acquisition methods.
CN201810437888.3A 2018-05-09 2018-05-09 A kind of taxi passenger information acquisition methods and medium Pending CN108596688A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109784296A (en) * 2019-01-27 2019-05-21 武汉星巡智能科技有限公司 Bus occupant quantity statistics method, device and computer readable storage medium
CN111582727A (en) * 2020-05-08 2020-08-25 拉扎斯网络科技(上海)有限公司 Behavior data processing method and device, computer equipment and readable storage medium
CN113525394A (en) * 2020-09-01 2021-10-22 长城汽车股份有限公司 Method and device for distributing torque of front axle and rear axle of vehicle
WO2021248607A1 (en) * 2020-06-10 2021-12-16 深圳大学 Deep reinforcement learning-based taxi dispatching method and system

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102568060A (en) * 2010-12-27 2012-07-11 上海杉达学院 Statistical method of track traffic vehicle information
CN103021178A (en) * 2012-12-18 2013-04-03 重庆喜玛拉雅科技有限公司 System for real-time monitoring of number of carried passengers in automobile
CN104132722A (en) * 2014-07-30 2014-11-05 西南交通大学 Load detection method based on tyre pressure, and bus passenger flow volume computing method and device based on tyre pressure detection
CN104424813A (en) * 2013-09-11 2015-03-18 上海博英信息科技有限公司 Intelligent electronic bus stop
CN105905027A (en) * 2016-05-10 2016-08-31 贵州大学 Taxi empty and passenger number indicating system
CN106080057A (en) * 2016-08-25 2016-11-09 力帆实业(集团)股份有限公司 A kind of human pilot body weight measurement based on tire pressure monitoring and system
CN106170826A (en) * 2016-06-03 2016-11-30 深圳市锐明技术股份有限公司 The monitoring method and system of cab-getter's number
CN106652464A (en) * 2016-11-10 2017-05-10 深圳市元征软件开发有限公司 Vehicle overload supervising device, system and method
CN107004133A (en) * 2017-02-16 2017-08-01 深圳市锐明技术股份有限公司 Patronage statistical method and device in a kind of vehicle
CN206819541U (en) * 2017-06-22 2017-12-29 行之有道汽车服务(深圳)有限公司 A kind of collecting vehicle information, reception system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102568060A (en) * 2010-12-27 2012-07-11 上海杉达学院 Statistical method of track traffic vehicle information
CN103021178A (en) * 2012-12-18 2013-04-03 重庆喜玛拉雅科技有限公司 System for real-time monitoring of number of carried passengers in automobile
CN104424813A (en) * 2013-09-11 2015-03-18 上海博英信息科技有限公司 Intelligent electronic bus stop
CN104132722A (en) * 2014-07-30 2014-11-05 西南交通大学 Load detection method based on tyre pressure, and bus passenger flow volume computing method and device based on tyre pressure detection
CN105905027A (en) * 2016-05-10 2016-08-31 贵州大学 Taxi empty and passenger number indicating system
CN106170826A (en) * 2016-06-03 2016-11-30 深圳市锐明技术股份有限公司 The monitoring method and system of cab-getter's number
CN106080057A (en) * 2016-08-25 2016-11-09 力帆实业(集团)股份有限公司 A kind of human pilot body weight measurement based on tire pressure monitoring and system
CN106652464A (en) * 2016-11-10 2017-05-10 深圳市元征软件开发有限公司 Vehicle overload supervising device, system and method
CN107004133A (en) * 2017-02-16 2017-08-01 深圳市锐明技术股份有限公司 Patronage statistical method and device in a kind of vehicle
CN206819541U (en) * 2017-06-22 2017-12-29 行之有道汽车服务(深圳)有限公司 A kind of collecting vehicle information, reception system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109784296A (en) * 2019-01-27 2019-05-21 武汉星巡智能科技有限公司 Bus occupant quantity statistics method, device and computer readable storage medium
CN111582727A (en) * 2020-05-08 2020-08-25 拉扎斯网络科技(上海)有限公司 Behavior data processing method and device, computer equipment and readable storage medium
CN111582727B (en) * 2020-05-08 2022-06-21 拉扎斯网络科技(上海)有限公司 Behavior data processing method and device, computer equipment and readable storage medium
WO2021248607A1 (en) * 2020-06-10 2021-12-16 深圳大学 Deep reinforcement learning-based taxi dispatching method and system
CN113525394A (en) * 2020-09-01 2021-10-22 长城汽车股份有限公司 Method and device for distributing torque of front axle and rear axle of vehicle

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Application publication date: 20180928