CN112365088A - Method, device and equipment for determining travel key points and readable storage medium - Google Patents

Method, device and equipment for determining travel key points and readable storage medium Download PDF

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Publication number
CN112365088A
CN112365088A CN202011365331.7A CN202011365331A CN112365088A CN 112365088 A CN112365088 A CN 112365088A CN 202011365331 A CN202011365331 A CN 202011365331A CN 112365088 A CN112365088 A CN 112365088A
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travel
target
point
information
trip
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张晓�
杨建然
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Beijing Wutong Chelian Technology Co Ltd
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Beijing Wutong Chelian Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION 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
    • G06Q10/00—Administration; Management
    • G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
    • G06Q10/047—Optimisation of routes or paths, e.g. travelling salesman problem
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/29—Geographical information databases
    • G06Q50/40—

Abstract

The application discloses a method, a device and equipment for determining a travel key point and a readable storage medium, and belongs to the technical field of vehicle management. The method comprises the following steps: the method comprises the steps of obtaining travel data of a target travel of a target vehicle, wherein the travel data comprise position information corresponding to a plurality of travel track points of the target travel, and the position information corresponding to the travel track points comprises longitude information of the travel track points and latitude information of the travel track points; determining the relationship between longitude information of the travel track point and latitude information of the travel track point; and determining at least one travel key point of the target travel based on the relationship between the longitude information of the travel track point and the latitude information of the travel track point, wherein the travel key point is used for travel analysis. The method ensures that the determination process of the travel key points is more flexible, does not limit the number of the determined travel key points, and improves the accuracy of the determined travel key points.

Description

Method, device and equipment for determining travel key points and readable storage medium
Technical Field
The embodiment of the application relates to the technical field of vehicle management, in particular to a method, a device, equipment and a readable storage medium for determining a travel key point.
Background
With the popularization of vehicles and the continuous development of vehicle management technologies, the determination of the travel key points of the vehicles according to the travel tracks of the vehicles becomes a research hotspot of vehicle technical researchers.
In the related art, the travel data of a primary travel is acquired, the travel data includes a plurality of travel track points, the travel starting point and the travel end point of the primary travel are connected to obtain a line segment, the distances from the plurality of travel track points to the line segment are determined, and the travel track point with the largest distance is determined as the travel key point of the primary travel.
However, the actual travel track of the vehicle is usually complex, and in the related art, only the travel track point farthest from the connection line between the travel start point and the travel end point of the vehicle travel can be used as the travel key point, so that the acquired travel key point is single, the flexibility of acquiring the travel key point is low, and the accuracy of determining the travel track point is low.
Disclosure of Invention
The embodiment of the application provides a method, a device and equipment for determining a travel key point and a readable storage medium, which can be used for solving the problems in the related art. The technical scheme is as follows:
in one aspect, an embodiment of the present application provides a method for determining a trip key point, where the method includes:
the method comprises the steps of obtaining travel data of a target travel of a target vehicle, wherein the travel data comprise position information corresponding to a plurality of travel track points of the target travel, and the position information corresponding to the travel track points comprises longitude information of the travel track points and latitude information of the travel track points;
determining the relationship between the longitude information of the travel track point and the latitude information of the travel track point;
and determining at least one travel key point of the target travel based on the relationship between the longitude information of the travel track point and the latitude information of the travel track point, wherein the travel key point is used for travel analysis.
In a possible implementation manner, the determining a relationship between the longitude information of the travel track point and the latitude information of the travel track point includes:
fitting to obtain a target function of latitude information about the longitude information based on the longitude information of the travel track point and the latitude information of the travel track point, wherein the target function is used for indicating the relationship between the longitude information of the travel track point and the latitude information of the travel track point;
determining at least one travel key point of the target travel based on a relationship between longitude information of the travel track point and latitude information of the travel track point, including:
determining at least one trip keypoint of the target trip based on an objective function of the latitude information with respect to longitude information.
In one possible implementation, the determining at least one trip key point of the target trip based on an objective function of the latitude information with respect to longitude information includes:
acquiring a derivative of the objective function;
acquiring target longitude information based on a derivative of the target function;
determining target latitude information corresponding to the target longitude information based on the target longitude information and the target function;
determining at least one trip keypoint of the target trip based on the target longitude information and the target latitude information.
In a possible implementation manner, the fitting to obtain an objective function of latitude information with respect to longitude information based on the longitude information of the travel track point and the latitude information of the travel track point includes:
acquiring an initial function by adopting a linear regression model and a polynomial regression model;
and fitting the initial function based on the longitude information of the plurality of travel track points and the latitude information of the plurality of travel track points to obtain a target function of the latitude information about the longitude information.
In a possible implementation manner, the route track points include a route starting point, a route end point, and N middle track points of the target route, where N is an integer greater than or equal to 1;
after determining at least one travel key point of the target travel based on the relationship between the longitude information of the travel track point and the latitude information of the travel track point, the method further includes:
acquiring a travel starting point of a first travel of the target vehicle;
acquiring a travel end point of a first travel of the target vehicle;
in response to a travel start point of the first travel coinciding with a travel start point of the target travel and a travel end point of the first travel coinciding with a travel end point of the target travel, determining a target travel route based on the travel start point, the travel end point, and the at least one travel key point;
and displaying the target driving route.
In one possible implementation, the obtaining of the end-of-travel of the first trip of the target vehicle includes:
determining a trip end point for a first trip of the target vehicle based on a trip start point for the first trip and historical trip data for the target vehicle.
In a possible implementation manner, after determining at least one travel key point of the target travel based on a relationship between longitude information of the travel track point and latitude information of the travel track point, the method further includes:
determining a target service matching the trip key point in response to the target vehicle traveling to the trip key point;
and displaying the target service matched with the travel key point.
In another aspect, an embodiment of the present application provides a device for determining a trip key point, where the device includes:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring the travel data of a target travel of a target vehicle, the travel data comprises position information corresponding to a plurality of travel track points of the target travel, and the position information corresponding to the travel track points comprises longitude information of the travel track points and latitude information of the travel track points;
the determining module is used for determining the relationship between the longitude information of the travel track point and the latitude information of the travel track point;
the determining module is further configured to determine at least one travel key point of the target travel based on a relationship between the longitude information of the travel track point and the latitude information of the travel track point, where the travel key point is used for travel analysis.
In a possible implementation manner, the determining module is configured to fit to obtain an objective function of latitude information about longitude information based on the longitude information of the route trace point and the latitude information of the route trace point, where the objective function is used to indicate a relationship between the longitude information of the route trace point and the latitude information of the route trace point;
determining at least one trip keypoint of the target trip based on an objective function of the latitude information with respect to longitude information.
In a possible implementation manner, the determining module is configured to obtain a derivative of the objective function;
acquiring target longitude information based on a derivative of the target function;
determining target latitude information corresponding to the target longitude information based on the target longitude information and the target function;
determining at least one trip keypoint of the target trip based on the target longitude information and the target latitude information.
In a possible implementation manner, the determining module is configured to obtain an initial function by using a linear regression model and a polynomial regression model;
and fitting the initial function based on the longitude information of the plurality of travel track points and the latitude information of the plurality of travel track points to obtain a target function of the latitude information about the longitude information.
In a possible implementation manner, the route track points include a route starting point, a route end point, and N middle track points of the target route, where N is an integer greater than or equal to 1;
the obtaining module is further used for obtaining a travel starting point of a first travel of the target vehicle; acquiring a travel end point of a first travel of the target vehicle;
the determining module is further configured to determine a target driving route based on the travel starting point, the travel end point and the at least one travel key point in response to a travel starting point of the first travel being consistent with a travel starting point of the target travel and a travel end point of the first travel being consistent with a travel end point of the target travel;
the device further comprises:
and the display module is used for displaying the target driving route.
In one possible implementation manner, the obtaining module is configured to determine the trip end point of the first trip of the target vehicle based on the trip start point of the first trip and the historical trip data of the target vehicle.
In one possible implementation, the determining module is further configured to determine, in response to the target vehicle traveling to the travel key point, a target service that matches the travel key point;
and the display module is used for displaying the target service matched with the travel key point.
In another aspect, an electronic device is provided, which includes a processor and a memory, where at least one program code is stored in the memory, and the at least one program code is loaded and executed by the processor to implement any one of the above methods for determining a travel key point.
In another aspect, a computer-readable storage medium is provided, in which at least one program code is stored, and the at least one program code is loaded and executed by a processor to implement any of the above methods for determining travel key points.
In another aspect, a computer program or a computer program product is provided, in which at least one computer instruction is stored, and the at least one computer instruction is loaded and executed by a processor to implement any one of the above methods for determining travel key points.
The technical scheme provided by the embodiment of the application at least has the following beneficial effects:
according to the technical scheme provided by the embodiment of the application, the travel key point of the target travel is determined according to the travel data of the target travel, so that the determination process of the travel key point of the target travel is more flexible. Moreover, the method does not limit the number of the determined travel key points, so that the accuracy of the determined travel key points can be improved, and the accuracy of travel analysis can be improved when the travel analysis is carried out based on the travel key points.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of an implementation environment of a method for determining a trip key point according to an embodiment of the present application;
fig. 2 is a flowchart of a method for determining a trip key point according to an embodiment of the present disclosure;
FIG. 3 is a schematic illustration of a vehicle travel path determined based on travel data as provided by an embodiment of the present application;
FIG. 4 is a schematic illustration of another vehicle travel path determined based on travel data as provided by an embodiment of the present application;
fig. 5 is a schematic structural diagram of a device for determining a trip key point according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of an implementation environment of a method for determining a trip key point according to an embodiment of the present application, and as shown in fig. 1, the implementation environment includes: an electronic device 101.
The electronic device 101 is a vehicle-mounted terminal installed and operated in a target vehicle, or other types of electronic devices such as a remote control, and the product form of the electronic device 101 is not limited in the embodiment of the present application. The electronic device 101 is installed and operated with a navigation device, and the electronic device 101 is used for executing the method for determining the trip key point provided by the embodiment of the application. Of course, the electronic device 101 may also have other functions to provide more comprehensive and diversified services.
The electronic device 101 may be generally referred to as one of a plurality of electronic devices, and the embodiment is only illustrated by the electronic device 101. Those skilled in the art will appreciate that the number of electronic devices 101 described above may be greater or fewer. For example, the number of the electronic devices 101 may be only one, or the number of the electronic devices 101 may be larger, and the number of the electronic devices and the types of the electronic devices are not limited in the embodiment of the present application.
Based on the foregoing implementation environment, an embodiment of the present application provides a method for determining a trip key point, which may be executed by the electronic device 101 in fig. 1, taking a flowchart of the method for determining a trip key point provided in the embodiment of the present application shown in fig. 2 as an example. As shown in fig. 2, the method comprises the steps of:
in step 201, journey data of a target journey of a target vehicle is acquired, the journey data includes position information corresponding to a plurality of journey track points of the target journey, and the position information corresponding to the journey track points includes longitude information of the journey track points and latitude information of the journey track points.
In a possible implementation manner, the target trip is a historical trip of the target vehicle, or is a trip segment of the historical trip of the target vehicle, which is not limited in the embodiment of the present application.
In one possible implementation manner, a navigation device is installed and operated in the electronic device, and the navigation device is used for acquiring travel data of a travel of the target vehicle, wherein the travel data includes a plurality of travel track points of the target travel and position information corresponding to each travel track point. Optionally, the travel data further includes an acquisition time of the position information of each travel trace point. The position information corresponding to the travel track point comprises longitude information of the travel track point and latitude information of the travel track point. The electronic equipment can also correspondingly store the acquired travel data and the acquisition time of the travel data in a storage space of the electronic equipment.
In a possible implementation manner, the electronic device may further display an acquisition interface of the travel data of the target travel, where the travel start time and the travel end time are input by the target user, and the electronic device determines a section of the travel based on the travel start time and the travel end time, and determines the determined section of the travel as the target travel. The electronic device determines the trip data corresponding to the target trip in the storage space, that is, the trip data of the target trip acquired by the electronic device.
Fig. 3 is a schematic diagram of a vehicle travel track determined based on travel data according to an embodiment of the present application, in which it can be seen that the target vehicle passes through a plurality of travel track points in the sub-travel track. As the following table one is a table of the position information corresponding to the travel track point of the target travel provided in the embodiment of the present application, only the position information corresponding to the 15 travel track points of the target travel is shown in the table one. Of course, the number of the stroke track points of the secondary target stroke may be more or less, and the number of the stroke track points of the secondary target stroke is not limited in the embodiment of the present application.
Watch 1
Longitude information (degree) of travel track point Latitude information (degree) of travel track point
113.1413297 33.76983017
113.1407912 33.7698135
113.140185 33.7698215
113.1394813 33.76988267
113.1387813 33.77001817
113.1387373 33.77018183
113.1379602 33.77040383
113.1372012 33.77063833
113.1365053 33.770847
113.1358362 33.77108933
113.1351278 33.771361
113.1343802 33.77163733
113.133585 33.77189967
113.1328173 33.77214333
113.1320875 33.77239583
The first table shows the position information corresponding to the 15 route trace points of the target route, that is, the longitude information and the latitude information of the 15 route trace points, for example, the longitude information of the first route trace point is 113.1413297 degrees, and the latitude information of the first route trace point is 33.76983017 degrees; the longitude information of the second travel track point is 113.1407912 degrees, and the latitude information of the second travel track point is 33.7698135 degrees. The longitude information and the latitude information of other travel track points are detailed in the first table, and are not described herein again.
In a possible implementation manner, after the travel data of the target travel is acquired, the travel data of the target travel is subjected to data cleaning, that is, the abnormal travel track points in the travel data are removed. An abnormal travel trace point is generally a point that deviates significantly from the travel trace. The implementation manner of determining the abnormal travel track point in the travel data may refer to related technologies, and this embodiment of the present application is not described herein again.
Fig. 4 is a schematic diagram of another vehicle travel track determined based on travel data according to an embodiment of the present application, where in fig. 4, A, B, C1, C2, C3, C4, C5, C6, C7, C8, and C9 are partial travel track points of the travel, D and E are abnormal travel track points, and a curve L is a travel track of the travel.
In step 202, a relationship between longitude information of a travel track point and latitude information of the travel track point is determined.
In one possible implementation, the process of determining the relationship between the longitude information of the travel trace point and the latitude information of the travel trace point is as follows: and fitting to obtain a target function of the latitude information about the longitude information based on the longitude information of the travel track point and the latitude information of the travel track point, wherein the target function is used for indicating the relationship between the longitude information of the travel track point and the latitude information of the travel track point.
In a possible implementation manner, the process of fitting to obtain an objective function of latitude information with respect to longitude information based on longitude information of the travel track point and latitude information of the travel track point includes the following steps 1 and 2.
Step 1, obtaining an initial function by adopting a linear regression model and a polynomial regression model.
In one possible implementation, a multiple linear regression function is constructed using a linear regression model and a polynomial regression model, and the multiple linear regression function is shown in the following formula (1).
Y(X)＝θ0+θ1X1+θ2X2+θ3X3+…+θKXK (1)
In the above formula (1), X1、X2、X3And XKRespectively, characteristic variables related to longitude information, Y (X) latitude information corresponding to the longitude information, K is a positive integer, and theta0、θ1、θ2、θ3And thetaKIs an unknown number.
Wherein, X1、X2、X3And XKIs a feature variable obtained by converting the longitude information X.
In one possible implementation, after the multiple linear regression function is obtained, the longitude information is converted to obtain the feature variable related to the longitude information, and the initial function is obtained based on the feature variable related to the longitude information and the above equation (1).
Illustratively, the process of converting the longitude information into the feature variable is as follows: obtaining the characteristic variable X by converting the longitude information X once3(ii) a Obtaining the characteristic variable X by carrying out secondary conversion on the longitude information X2(ii) a And converting the longitude information X three times to obtain a characteristic variable X. Based on the characteristic variables obtained above regarding the longitude information, the obtained initial function is shown in the following formula (2).
Y(X)＝θ0+θ1X3+θ2X2+θ3X (2)
In the above formula (2), X is3X in the above formula (1)1With X2X in the above formula (1)2X in the above formula (1) is represented by X3，θ0、θ1、θ2And theta3Is an unknown number.
It should be noted that the above formula (2) is only an example of one initial function provided in the embodiment of the present application, and is not used to limit the initial function. The form of the initial function may also be any other form, which is not limited in the embodiments of the present application.
And 2, fitting the initial function based on the longitude information of the plurality of travel track points and the latitude information of the plurality of travel track points to obtain a target function of the latitude information about the longitude information.
In a possible implementation manner, based on the position information corresponding to the travel track point of the target travel acquired in step 201, the process of fitting the initial function determined in step 202 to obtain the target function of the latitude information with respect to the longitude information is as follows: and substituting the position information corresponding to the travel track point of the target travel into the initial function, solving the initial function to obtain the value of the unknown number in the initial function, and substituting the value of the unknown number into the initial function to obtain the target function of the latitude information about the longitude information.
Illustratively, the position information corresponding to the travel track point of the table one obtained in the above step 201 and the initial position information determined in the present step 202Taking formula (2) of the function as an example, substituting the position information corresponding to the travel track point in the table I into the formula (2), and calculating the formula (2) to obtain theta0、θ1、θ2And theta3The value of (a). For example, through the above calculation process, θ is obtained0Is-0.1063052, theta1Is 0.000783482 theta2Is-0.0531526, theta3Is 0.877057. Will theta0、θ1、θ2And theta3Substituting the value of (2) into the formula (2), an objective function of latitude information with respect to longitude information can be obtained, and the objective function is shown as formula (3):
Y(X)＝-0.1063052+0.000783482X3-0.0531526X2+0.877057X (3)
it should be noted that the above formula (3) is only an example of an objective function of latitude information with respect to longitude information provided in the embodiments of the present application, and is not used to limit the objective function of latitude information with respect to longitude information. The formula of the objective function of latitude information and longitude information may also be in other forms, which is not limited in the embodiments of the present application.
In step 203, at least one trip key point of the target trip is determined based on a relationship between longitude information of the trip trace point and latitude information of the trip trace point.
In one possible implementation, the process of determining at least one travel key point of the target travel based on the relationship between the longitude information of the travel track point and the latitude information of the travel track point includes: at least one trip keypoint of the target trip is determined based on an objective function of the latitude information with respect to the longitude information.
In one possible implementation, the process of determining at least one trip key point of the target trip based on the objective function of the latitude information with respect to the longitude information includes the following steps 2031 to 2034.
Step 2031, obtain the derivative of the objective function.
In a possible implementation manner, based on the objective function obtained in step 202, a derivation operation is performed on the objective function to obtain a derivative of the objective function.
Illustratively, the derivation operation is performed on the objective function determined in step 202 to obtain a derivative of the objective function Y' (X) ═ 0.002050446X2-0.1063052X+0.877057。
Step 2032, obtaining the target longitude information based on the derivative of the target function.
In a possible implementation manner, longitude information corresponding to a derivative of the objective function when the derivative takes a first value is obtained, and the longitude information is determined as target longitude information.
Illustratively, longitude information corresponding to a derivative of the objective function when the derivative takes a value of zero is obtained, and the longitude information is determined as target longitude information. That is, changing Y' (X) to 0.002050446X2when-0.1063052X +0.877057 is 0, the value of the corresponding X is determined as the target longitude information. By calculation, Y' (X) ═ 0.002050446X is obtained2when-0.1063052X +0.877057 is 0, the corresponding values of X are 113.12198150771624 and 113.1432461639682. That is, the target longitude information is 113.12198150771624 degrees and 113.1432461639682 degrees.
The above-mentioned determination of the target longitude information only by taking the first numerical value as zero is not used to limit the value of the first numerical value. The value of the first value may also be 1 or other values, which are not limited in this application.
Step 2033 of determining target latitude information corresponding to the target longitude information based on the target longitude information and the target function.
In a possible implementation manner, based on the target longitude information and the target function, the target latitude information corresponding to the target longitude information is determined as the target latitude information corresponding to the target longitude information is obtained by substituting the target longitude information into the target function and calculating.
Illustratively, the target longitude information: 113.12198150771624 degrees are substituted into the formula (3), and the target latitude information is obtained to be 33.77411936490767 degrees through calculation. And the target longitude information: 113.1432461639682 degrees are substituted into the formula (3), and the target latitude information is obtained to be 33.769093307100015 degrees through calculation.
Step 2034, determining at least one trip key point of the target trip based on the target longitude information and the target latitude information.
In one possible implementation, the position information composed of the target longitude information and the target latitude information corresponding to the target longitude information is determined as the trip key point of the target trip.
Illustratively, the trip key points of the target trip are (113.12198150771624, 33.77411936490767) and (113.1432461639682, 33.769093307100015) based on the target longitude information determined in the step 2032 and the target latitude information determined in the step 2033.
In a possible implementation manner, the stroke track points of the target stroke include a stroke start point, a stroke end point, and N middle track points of the target stroke, where N is an integer greater than or equal to 1. After at least one travel key point of the target travel is determined based on the relationship between the longitude information of the travel track point and the latitude information of the travel track point, the travel route planning can be further performed based on the travel starting point, the travel end point and the at least one travel key point, and the process is as follows:
the method comprises the steps of obtaining a travel starting point of a first travel of a target vehicle, obtaining a travel end point of the first travel of the target vehicle, responding to the condition that the travel starting point of the first travel is consistent with the travel starting point of the target travel, and the travel end point of the first travel is consistent with the travel end point of the target travel, determining a target travel route based on the travel starting point, the travel end point and at least one travel key point, and displaying the target travel route.
There are two implementations for obtaining the end of travel for the first trip of the target vehicle.
The first mode is that a travel starting point and a travel end point of a first travel are obtained based on input operation of a target user.
In one possible implementation manner, the electronic device takes a first place input by the target user as a travel starting point of the first travel, and takes a second place input by the target user as a travel ending point of the first travel; or the electronic equipment takes the first place input by the target user as the travel end point of the first travel and takes the second place input by the target user as the travel end point of the first travel.
In a second mode, the trip end point of the first trip of the target vehicle is determined based on the trip start point of the first trip and the historical trip data of the target vehicle.
In one possible implementation, the electronic device obtains position information of the target vehicle at the time of start, determines the position information as a trip start point of the first trip, and the electronic device may further obtain a time of start of the target vehicle, and determines a trip end point of the first trip of the target vehicle based on the time of start of the target vehicle, the trip start point of the first trip, and historical trip data of the target vehicle.
For example, the position information of the target vehicle at the time of starting is a first position, the electronic device determines the first position as a trip start point of a first trip, and the time of starting of the target vehicle acquired by the electronic device is eight am. The electronic equipment stores a plurality of pieces of historical travel data of the target vehicle, the plurality of pieces of historical travel data comprise historical travel data of which the travel starting point is a first position and the time corresponding to the travel starting point is eight morning, and the travel end point of the historical travel data is determined as the travel end point of the first travel.
It should be noted that any one of the above-mentioned implementation manners may be selected to obtain the stroke start point and the stroke end point of the first stroke, which is not limited in the embodiment of the present application.
In a possible implementation manner, after at least one trip key point of the target trip is determined, the service can be pushed to the target user based on the trip key point. The process is as follows: and responding to the target vehicle driving to the travel key point, determining the target service matched with the travel key point, and displaying the target service matched with the travel key point.
In one possible implementation manner, the electronic device stores a corresponding relationship between a travel key point and a service, and in response to a target vehicle traveling to a certain travel key point, determines a target service corresponding to the travel key point based on the corresponding relationship, and displays the target service by the electronic device.
Illustratively, the travel key point is a first position, the service corresponding to the travel key point is news pushing, when the target vehicle travels to the first position, a news playing button is displayed on a display interface of the electronic device, and when a triggering instruction of the target user to the playing button is responded, the electronic device plays news. Alternatively, the electronic device plays the news in response to the target vehicle traveling to the first location.
It should be noted that, the relationship between the travel key point and the service is set in advance by a technician and stored in the electronic device, so that after the target vehicle travels to the travel key point, the service corresponding to the travel key point is pushed to the target user in time, and better traveling experience is provided for the target user.
The method determines the travel key point of the target travel according to the travel data of the target travel, so that the determination process of the travel key point of the target travel is more flexible. Moreover, the method does not limit the number of the determined travel key points, so that the accuracy of the determined travel key points can be improved, and the accuracy of travel analysis can be improved when the travel analysis is carried out based on the travel key points.
Fig. 5 is a structural diagram of a device for determining a trip key point according to an embodiment of the present application, and as shown in fig. 5, the device includes:
an obtaining module 501, configured to obtain travel data of a target travel of a target vehicle, where the travel data includes location information corresponding to multiple travel track points of the target travel, and the location information corresponding to the travel track points includes longitude information of the travel track points and latitude information of the travel track points;
a determining module 502, configured to determine a relationship between longitude information of the travel track point and latitude information of the travel track point;
the determining module 502 is further configured to determine at least one travel key point of the target travel based on a relationship between the longitude information of the travel track point and the latitude information of the travel track point, where the travel key point is used for travel analysis.
In a possible implementation manner, the determining module 502 is configured to fit to obtain an objective function of latitude information about longitude information based on the longitude information of the travel track point and the latitude information of the travel track point, where the objective function is used to indicate a relationship between the longitude information of the travel track point and the latitude information of the travel track point;
at least one trip keypoint of the target trip is determined based on an objective function of the latitude information with respect to longitude information.
In a possible implementation, the determining module 502 is configured to obtain a derivative of the objective function;
acquiring target longitude information based on the derivative of the target function;
determining target latitude information corresponding to the target longitude information based on the target longitude information and the target function;
at least one trip key point of the target trip is determined based on the target longitude information and the target latitude information.
In a possible implementation manner, the determining module 502 is configured to obtain an initial function by using a linear regression model and a polynomial regression model;
and fitting the initial function based on the longitude information of the travel track points and the latitude information of the travel track points to obtain a target function of the latitude information about the longitude information.
In a possible implementation manner, the route trace points include a route starting point, a route end point, and N middle route points of the target route, where N is an integer greater than or equal to 1;
the obtaining module 501 is further configured to obtain a starting point of a first trip of the target vehicle; acquiring a travel end point of a first travel of the target vehicle;
the determining module 502 is further configured to determine a target driving route based on the travel start point, the travel end point and the at least one travel key point in response to the travel start point of the first travel coinciding with the travel start point of the target travel and the travel end point of the first travel coinciding with the travel end point of the target travel;
the device also includes:
and the display module is used for displaying the target driving route.
In one possible implementation, the determining module 502 is configured to determine a trip end point of a first trip of the target vehicle based on a trip start point of the first trip and historical trip data of the target vehicle.
In one possible implementation, the determining module 502 is further configured to determine a target service matching the travel key point in response to the target vehicle traveling to the travel key point;
the display module is used for displaying the target service matched with the travel key point.
The device determines the travel key point of the target travel according to the travel data of the target travel, so that the determination process of the travel key point of the target travel is more flexible. Moreover, the method does not limit the number of the determined travel key points, so that the accuracy of the determined travel key points can be improved, and the accuracy of travel analysis can be improved when the travel analysis is carried out based on the travel key points.
It should be understood that, when the apparatus provided in fig. 5 implements its functions, it is only illustrated by the division of the functional modules, and in practical applications, the above functions may be distributed by different functional modules according to needs, that is, the internal structure of the apparatus is divided into different functional modules to implement all or part of the functions described above. In addition, the apparatus and method embodiments provided by the above embodiments belong to the same concept, and specific implementation processes thereof are described in the method embodiments for details, which are not described herein again.
Fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application. The electronic device 600 may be: a smart phone, a tablet computer, an MP3(Moving Picture Experts Group Audio Layer III, motion video Experts compression standard Audio Layer 3) player, an MP4(Moving Picture Experts Group Audio Layer IV, motion video Experts compression standard Audio Layer 4) player, a notebook computer or a desktop computer. Electronic device 600 may also be referred to by other names as user equipment, portable electronic device, laptop electronic device, desktop electronic device, and so on.
In general, the electronic device 600 includes: a processor 601 and a memory 602.
The processor 601 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and so on. The processor 601 may be implemented in at least one hardware form of a DSP (Digital Signal Processing), an FPGA (Field-Programmable Gate Array), and a PLA (Programmable Logic Array). The processor 601 may also include a main processor and a coprocessor, where the main processor is a processor for Processing data in an awake state, and is also called a Central Processing Unit (CPU); a coprocessor is a low power processor for processing data in a standby state. In some embodiments, the processor 601 may be integrated with a GPU (Graphics Processing Unit), which is responsible for rendering and drawing the content that the display screen needs to display. In some embodiments, processor 601 may also include an AI (Artificial Intelligence) processor for processing computational operations related to machine learning.
The memory 602 may include one or more computer-readable storage media, which may be non-transitory. The memory 602 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in the memory 602 is used to store at least one instruction for execution by the processor 601 to implement the method of determining trip keypoints provided by the method embodiments of the present application.
In some embodiments, the electronic device 600 may further optionally include: a peripheral interface 603 and at least one peripheral. The processor 601, memory 602, and peripheral interface 603 may be connected by buses or signal lines. Various peripheral devices may be connected to the peripheral interface 603 via a bus, signal line, or circuit board. Specifically, the peripheral device includes: at least one of a radio frequency circuit 604, a display 605, a camera assembly 606, an audio circuit 607, a positioning component 608, and a power supply 609.
The peripheral interface 603 may be used to connect at least one peripheral related to I/O (Input/Output) to the processor 601 and the memory 602. In some embodiments, the processor 601, memory 602, and peripheral interface 603 are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor 601, the memory 602, and the peripheral interface 603 may be implemented on a separate chip or circuit board, which is not limited in this embodiment.
The Radio Frequency circuit 604 is used for receiving and transmitting RF (Radio Frequency) signals, also called electromagnetic signals. The radio frequency circuitry 604 communicates with communication networks and other communication devices via electromagnetic signals. The rf circuit 604 converts an electrical signal into an electromagnetic signal to transmit, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 604 comprises: an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, and so forth. The radio frequency circuitry 604 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocols include, but are not limited to: the world wide web, metropolitan area networks, intranets, generations of mobile communication networks (2G, 3G, 4G, and 5G), Wireless local area networks, and/or WiFi (Wireless Fidelity) networks. In some embodiments, the rf circuit 604 may further include NFC (Near Field Communication) related circuits, which are not limited in this application.
The display 605 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. When the display screen 605 is a touch display screen, the display screen 605 also has the ability to capture touch signals on or over the surface of the display screen 605. The touch signal may be input to the processor 601 as a control signal for processing. At this point, the display 605 may also be used to provide virtual buttons and/or a virtual keyboard, also referred to as soft buttons and/or a soft keyboard. In some embodiments, the display 605 may be one, disposed on the front panel of the electronic device 600; in other embodiments, the display 605 may be at least two, respectively disposed on different surfaces of the electronic device 600 or in a foldable design; in other embodiments, the display 605 may be a flexible display disposed on a curved surface or on a folded surface of the electronic device 600. Even more, the display 605 may be arranged in a non-rectangular irregular pattern, i.e., a shaped screen. The Display 605 may be made of LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), and the like.
The camera assembly 606 is used to capture images or video. Optionally, camera assembly 606 includes a front camera and a rear camera. Generally, a front camera is disposed at a front panel of the terminal, and a rear camera is disposed at a rear surface of the terminal. In some embodiments, the number of the rear cameras is at least two, and each rear camera is any one of a main camera, a depth-of-field camera, a wide-angle camera and a telephoto camera, so that the main camera and the depth-of-field camera are fused to realize a background blurring function, and the main camera and the wide-angle camera are fused to realize panoramic shooting and VR (Virtual Reality) shooting functions or other fusion shooting functions. In some embodiments, camera assembly 606 may also include a flash. The flash lamp can be a monochrome temperature flash lamp or a bicolor temperature flash lamp. The double-color-temperature flash lamp is a combination of a warm-light flash lamp and a cold-light flash lamp, and can be used for light compensation at different color temperatures.
Audio circuitry 607 may include a microphone and a speaker. The microphone is used for collecting sound waves of a user and the environment, converting the sound waves into electric signals, and inputting the electric signals to the processor 601 for processing or inputting the electric signals to the radio frequency circuit 604 to realize voice communication. For stereo capture or noise reduction purposes, the microphones may be multiple and disposed at different locations of the electronic device 600. The microphone may also be an array microphone or an omni-directional pick-up microphone. The speaker is used to convert electrical signals from the processor 601 or the radio frequency circuit 604 into sound waves. The loudspeaker can be a traditional film loudspeaker or a piezoelectric ceramic loudspeaker. When the speaker is a piezoelectric ceramic speaker, the speaker can be used for purposes such as converting an electric signal into a sound wave audible to a human being, or converting an electric signal into a sound wave inaudible to a human being to measure a distance. In some embodiments, audio circuitry 607 may also include a headphone jack.
The positioning component 608 is used to locate a current geographic Location of the electronic device 600 to implement navigation or LBS (Location Based Service). The Positioning component 608 can be a Positioning component based on the Global Positioning System (GPS) in the united states, the beidou System in china, or the galileo System in russia.
The power supply 609 is used to supply power to various components in the electronic device 600. The power supply 609 may be ac, dc, disposable or rechargeable. When the power supply 609 includes a rechargeable battery, the rechargeable battery may be a wired rechargeable battery or a wireless rechargeable battery. The wired rechargeable battery is a battery charged through a wired line, and the wireless rechargeable battery is a battery charged through a wireless coil. The rechargeable battery may also be used to support fast charge technology.
In some embodiments, the electronic device 600 also includes one or more sensors 160. The one or more sensors 160 include, but are not limited to: acceleration sensor 611, gyro sensor 612, pressure sensor 613, fingerprint sensor 614, optical sensor 615, and proximity sensor 616.
The acceleration sensor 611 may detect the magnitude of acceleration in three coordinate axes of a coordinate system established with the electronic device 600. For example, the acceleration sensor 611 may be used to detect components of the gravitational acceleration in three coordinate axes. The processor 601 may control the display screen 605 to display the user interface in a landscape view or a portrait view according to the gravitational acceleration signal collected by the acceleration sensor 611. The acceleration sensor 611 may also be used for acquisition of motion data of a game or a user.
The gyro sensor 612 may detect a body direction and a rotation angle of the electronic device 600, and the gyro sensor 612 and the acceleration sensor 611 may cooperate to acquire a 3D motion of the user on the electronic device 600. The processor 601 may implement the following functions according to the data collected by the gyro sensor 612: motion sensing (such as changing the UI according to a user's tilting operation), image stabilization at the time of photographing, game control, and inertial navigation.
The pressure sensor 613 may be disposed on a side bezel of the electronic device 600 and/or on a lower layer of the display screen 605. When the pressure sensor 613 is disposed on a side frame of the electronic device 600, a user's holding signal of the electronic device 600 can be detected, and the processor 601 performs left-right hand recognition or shortcut operation according to the holding signal collected by the pressure sensor 613. When the pressure sensor 613 is disposed at the lower layer of the display screen 605, the processor 601 controls the operability control on the UI interface according to the pressure operation of the user on the display screen 605. The operability control comprises at least one of a button control, a scroll bar control, an icon control and a menu control.
The fingerprint sensor 614 is used for collecting a fingerprint of a user, and the processor 601 identifies the identity of the user according to the fingerprint collected by the fingerprint sensor 614, or the fingerprint sensor 614 identifies the identity of the user according to the collected fingerprint. Upon identifying that the user's identity is a trusted identity, the processor 601 authorizes the user to perform relevant sensitive operations including unlocking the screen, viewing encrypted information, downloading software, paying, and changing settings, etc. The fingerprint sensor 614 may be disposed on the front, back, or side of the electronic device 600. When a physical button or vendor Logo is provided on the electronic device 600, the fingerprint sensor 614 may be integrated with the physical button or vendor Logo.
The optical sensor 615 is used to collect the ambient light intensity. In one embodiment, processor 601 may control the display brightness of display screen 605 based on the ambient light intensity collected by optical sensor 615. Specifically, when the ambient light intensity is high, the display brightness of the display screen 605 is increased; when the ambient light intensity is low, the display brightness of the display screen 605 is adjusted down. In another embodiment, the processor 601 may also dynamically adjust the shooting parameters of the camera assembly 606 according to the ambient light intensity collected by the optical sensor 615.
Proximity sensor 616, also referred to as a distance sensor, is typically disposed on the front panel of electronic device 600. The proximity sensor 616 is used to capture the distance between the user and the front of the electronic device 600. In one embodiment, when the proximity sensor 616 detects that the distance between the user and the front of the electronic device 600 gradually decreases, the processor 601 controls the display 605 to switch from the bright screen state to the dark screen state; when the proximity sensor 616 detects that the distance between the user and the front surface of the electronic device 600 is gradually increased, the processor 601 controls the display 605 to switch from the breath-screen state to the bright-screen state.
Those skilled in the art will appreciate that the configuration shown in fig. 6 does not constitute a limitation of the electronic device 600, and may include more or fewer components than those shown, or combine certain components, or employ a different arrangement of components.
In an exemplary embodiment, there is also provided a computer readable storage medium having at least one program code stored therein, the at least one program code being loaded and executed by a processor of a computer device to implement any of the above-mentioned methods of determining trip key points.
Alternatively, the computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a Compact Disc Read-Only Memory (CD-ROM), a magnetic tape, a floppy disk, an optical data storage device, and the like.
In an exemplary embodiment, a computer program or a computer program product is also provided, in which at least one computer instruction is stored, which is loaded and executed by a processor of a computer device to implement any of the above-mentioned determination methods of trip keypoints.
It should be understood that reference to "a plurality" herein means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
The above description is only exemplary of the present application and is not intended to limit the present application, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A method for determining a trip key point, the method comprising:
the method comprises the steps of obtaining travel data of a target travel of a target vehicle, wherein the travel data comprise position information corresponding to a plurality of travel track points of the target travel, and the position information corresponding to the travel track points comprises longitude information of the travel track points and latitude information of the travel track points;
determining the relationship between the longitude information of the travel track point and the latitude information of the travel track point;
and determining at least one travel key point of the target travel based on the relationship between the longitude information of the travel track point and the latitude information of the travel track point, wherein the travel key point is used for travel analysis.
2. The method of claim 1, wherein determining the relationship between the longitude information of the travel track point and the latitude information of the travel track point comprises:
fitting to obtain a target function of latitude information about the longitude information based on the longitude information of the travel track point and the latitude information of the travel track point, wherein the target function is used for indicating the relationship between the longitude information of the travel track point and the latitude information of the travel track point;
determining at least one travel key point of the target travel based on a relationship between longitude information of the travel track point and latitude information of the travel track point, including:
determining at least one trip keypoint of the target trip based on an objective function of the latitude information with respect to longitude information.
3. The method of claim 2, wherein determining at least one trip keypoint of the target trip based on an objective function of the latitude information with respect to longitude information comprises:
acquiring a derivative of the objective function;
acquiring target longitude information based on a derivative of the target function;
determining target latitude information corresponding to the target longitude information based on the target longitude information and the target function;
determining at least one trip keypoint of the target trip based on the target longitude information and the target latitude information.
4. The method according to claim 2, wherein fitting an objective function of latitude information about longitude information based on longitude information of the travel track point and latitude information of the travel track point to obtain the latitude information comprises:
acquiring an initial function by adopting a linear regression model and a polynomial regression model;
and fitting the initial function based on the longitude information of the plurality of travel track points and the latitude information of the plurality of travel track points to obtain a target function of the latitude information about the longitude information.
5. The method according to any one of claims 1 to 4, wherein the travel track points comprise a travel start point, a travel end point and N middle track points of the target travel, wherein N is an integer greater than or equal to 1;
after determining at least one travel key point of the target travel based on the relationship between the longitude information of the travel track point and the latitude information of the travel track point, the method further includes:
acquiring a travel starting point of a first travel of the target vehicle;
acquiring a travel end point of a first travel of the target vehicle;
in response to a travel start point of the first travel coinciding with a travel start point of the target travel and a travel end point of the first travel coinciding with a travel end point of the target travel, determining a target travel route based on the travel start point, the travel end point, and the at least one travel key point;
and displaying the target driving route.
6. The method of claim 5, wherein the obtaining an end-of-travel for the first trip of the target vehicle comprises:
determining a trip end point for a first trip of the target vehicle based on a trip start point for the first trip and historical trip data for the target vehicle.
7. The method of any of claims 1-4, wherein after determining at least one travel key point of the target travel based on the relationship between longitude information of the travel track point and latitude information of the travel track point, the method further comprises:
determining a target service matching the trip key point in response to the target vehicle traveling to the trip key point;
and displaying the target service matched with the travel key point.
8. A travel key point determination apparatus, comprising:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring the travel data of a target travel of a target vehicle, the travel data comprises position information corresponding to a plurality of travel track points of the target travel, and the position information corresponding to the travel track points comprises longitude information of the travel track points and latitude information of the travel track points;
the determining module is used for determining the relationship between the longitude information of the travel track point and the latitude information of the travel track point;
the determining module is further configured to determine at least one travel key point of the target travel based on a relationship between the longitude information of the travel track point and the latitude information of the travel track point, where the travel key point is used for travel analysis.
9. An electronic device, characterized in that the electronic device comprises a processor and a memory, in which at least one program code is stored, which is loaded and executed by the processor to implement the method of determining trip keypoints according to any of claims 1 to 7.
10. A computer-readable storage medium, having stored therein at least one program code, which is loaded and executed by a processor, to implement the method of determining trip keypoints according to any of claims 1 to 7.
CN202011365331.7A 2020-11-28 2020-11-28 Method, device and equipment for determining travel key points and readable storage medium Pending CN112365088A (en)

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