CN113705852A - Crowd density early warning method and device, electronic equipment and storage medium - Google Patents

Crowd density early warning method and device, electronic equipment and storage medium Download PDF

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CN113705852A
CN113705852A CN202110524257.7A CN202110524257A CN113705852A CN 113705852 A CN113705852 A CN 113705852A CN 202110524257 A CN202110524257 A CN 202110524257A CN 113705852 A CN113705852 A CN 113705852A
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王胜先
郭银波
郭青云
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Beijing Kingsoft Cloud Network Technology Co Ltd
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Abstract

The application relates to a crowd density early warning method, a device, electronic equipment and a storage medium, which are applied to the technical field of travel management, wherein the method comprises the following steps: responding to the scanning operation of the user terminal for the two-dimensional code of the target area, displaying a two-dimensional code scanning result, and if the two-dimensional code scanning result is a preset result, adding 1 to the number of people corresponding to the target area, wherein the initial value of the number of people corresponding to the target area is 0; determining the increment of the number of people corresponding to the target area in the current time period; wherein the current time period is a time period from the historical time to the current time; and if the increment of the number of people corresponding to the target area in the current time period reaches the number of people early warning threshold value, sending early warning information to the management terminal. The method and the device can carry out real-time intensity early warning and reminding.

Description

Crowd density early warning method and device, electronic equipment and storage medium
Technical Field
The application relates to the technical field of travel management, in particular to a crowd density early warning method and device, electronic equipment and a storage medium.
Background
When people gather in public places, if the crowd is too high in concentration, potential dangers are easy to occur, epidemic diseases can be spread, or trampling accidents occur due to crowding. Therefore, people can be prevented from gathering by controlling the number of people in public places, so that public safety is ensured.
For example, in a scenario of normalizing epidemic situation prevention and control, in order to effectively monitor crowd gathering, front line protection personnel need to keep uninterrupted monitoring and control work. At present, the application of the mobile phone health code is realized in most regions. The user can show the health code of the user only by scanning the code for registration. And the front line protection personnel determines whether the user passes according to the state of the health code of the user. However, this method cannot determine the concentration of the crowd in real time, and when the concentration of the crowd is high, the administrator cannot know and respond in time.
Disclosure of Invention
In order to solve the technical problem or at least partially solve the technical problem, the application provides a crowd density early warning method, a crowd density early warning device, an electronic device and a storage medium.
According to a first aspect of the application, a crowd density early warning method is provided, which comprises the following steps:
responding to scanning operation of a user terminal for a two-dimensional code of a target area, displaying a two-dimensional code scanning result, and if the two-dimensional code scanning result is a preset result, adding 1 to the number of people corresponding to the target area, wherein the initial value of the number of people corresponding to the target area is 0;
determining the increment of the number of people corresponding to the target area in the current time period; wherein the current time period is a time period from a historical time to a current time;
and if the increment of the number of people corresponding to the target area in the current time period reaches a people number early warning threshold value, sending early warning information to a management terminal.
In an optional implementation manner, before sending warning information to a management terminal if an increase amount of the number of people corresponding to the target area in the current time period reaches a number-of-people warning threshold, the method further includes:
and responding to the parameter setting operation of the administrator aiming at the target area, and setting the crowd density control parameter of the target area to obtain a crowd density control parameter value, wherein the crowd density control parameter value comprises the number of people early warning threshold value.
In an optional embodiment, before the responding to the parameter setting operation of the administrator for the target area, the method further comprises:
and responding to the scanning operation of the management terminal for the two-dimensional code of the target area, and displaying a parameter setting interface so that the administrator executes the parameter setting operation on the parameter setting interface.
In an optional implementation manner, the crowd density early warning method further includes:
and responding to the scanning operation of the management terminal for the health code corresponding to the user, and displaying the travel track of the user.
In an optional implementation manner, the crowd density early warning method further includes:
receiving information of a target person input by an administrator, determining close contact persons of the target person, and displaying the information of the close contact persons of the target person; and the state of the health code corresponding to the target person is an unhealthy state.
In an alternative embodiment, the determining the close-contact person of the target person comprises:
determining each area in the travel track of the target person and the time when the target person enters each area;
and taking other users entering each area within a target time range as close contact persons of the target person, wherein the target time range is determined based on the time.
In an optional implementation manner, the crowd density early warning method further includes: predicting the increment of the number of people corresponding to the target area in a future time period by utilizing a historical track map; wherein the historical track map comprises: a travel trajectory of a user passing through the target area over a historical period of time;
and determining whether to send reminding information to the management terminal or not based on the increase of the number of people corresponding to the target area in a future time period.
In an optional implementation manner, the crowd density early warning method further includes:
and receiving the identity identification information of the user input by the user, and responding to the travel track query operation of the user aiming at the identity identification information, and displaying the travel track of the user.
In an optional implementation manner, the crowd density early warning method further includes:
and displaying user information of all users passing through the target area in response to the track query operation of the administrator for the target area.
According to a second aspect of the present application, there is provided a crowd density early warning device, comprising:
the scanning result display module is used for responding to the scanning operation of the user terminal aiming at the two-dimensional code of the target area and displaying the scanning result of the two-dimensional code;
the people counting module is used for adding 1 to the number of people corresponding to the target area if the two-dimensional code scanning result is a preset result, and the initial value of the number of people corresponding to the target area is 0;
the number increase determining module is used for determining the increase of the number of people corresponding to the target area in the current time period; wherein the current time period is a time period from a historical time to a current time;
and the early warning information sending module is used for sending early warning information to a management terminal if the increment of the number of people corresponding to the target area in the current time period reaches a number early warning threshold value.
In an optional implementation manner, the crowd density early warning device further includes:
and the parameter setting module is used for responding to the parameter setting operation of the administrator aiming at the target area, setting the crowd density control parameter of the target area to obtain a crowd density control parameter value, wherein the crowd density control parameter value comprises the crowd early warning threshold value.
In an optional implementation manner, the crowd density early warning device further includes:
and the parameter setting interface display module is used for responding to the scanning operation of the management terminal on the two-dimensional code of the target area and displaying a parameter setting interface so that the administrator can execute the parameter setting operation on the parameter setting interface.
In an optional implementation manner, the crowd density early warning device further includes:
and the user travel track query module is used for responding to the scanning operation of the management terminal aiming at the health code corresponding to the user and displaying the travel track of the user.
In an optional implementation manner, the crowd density early warning device further includes:
the close contact person information display module is used for receiving the information of the target person input by the administrator, determining the close contact person of the target person and displaying the information of the close contact person of the target person; and the state of the health code corresponding to the target person is an unhealthy state.
In an alternative embodiment, the close contact person information display module determines the close contact person of the target person by:
determining each area in the travel track of the target person and the time when the target person enters each area;
other users entering said each zone within a target time frame determined based on said time of day are considered to be close contact persons of said target person.
In an optional implementation manner, the crowd density early warning device further includes:
the number of people increase amount prediction module is used for predicting the increase amount of the number of people corresponding to the target area in the future time period by utilizing the historical track map; wherein the historical track map comprises: a travel trajectory of a user passing through the target area over a historical period of time;
and the reminding information sending module is used for determining whether to send reminding information to the management terminal based on the increment of the number of people corresponding to the target area in a future time period.
In an optional implementation manner, the crowd density early warning device further includes:
and the personal travel track query module is used for receiving the user identification information input by the user and responding to travel track query operation of the user aiming at the identification information to display the travel track of the user.
In an optional implementation manner, the crowd density early warning device further includes:
and the target area travel track query module is used for responding to the track query operation of the administrator aiming at the target area and displaying the user information of all users passing through the target area.
According to a third aspect of the present application, there is provided an electronic device comprising: a processor; and
a memory for storing executable instructions of the processor;
wherein the processor is configured to perform the method of the first aspect via execution of the executable instructions.
According to a fourth aspect of the present application, there is provided a storage medium having stored thereon a computer program which, when executed by a processor, implements the method of the first aspect.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
by monitoring the increment of the number of people in the current time period (such as the current hour or the current day) of the target area in real time, and under the condition that the preset number of people early warning threshold is reached, early warning information is sent to a management terminal (namely, a terminal device used by an administrator). Therefore, the administrator can prevent other people from entering the target area in time, and the crowd density is prevented from being too high. The method and the system can monitor the crowd intensity in real time when the personnel are managed in a trip, and the efficiency of the management of the personnel in the trip by the administrator is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic diagram of a frame of trip management based on video surveillance;
FIG. 2 is a schematic diagram of a system architecture suitable for the crowd density warning method in the embodiment of the present application;
FIG. 3 is a flowchart of a crowd density warning method in an embodiment of the present application;
FIG. 4 is a schematic diagram of a health code in an embodiment of the present application;
FIG. 5 is a schematic diagram of early warning information in an embodiment of the present application;
FIG. 6 is a flowchart illustrating an embodiment of a method for early warning of crowd density;
fig. 7 is a schematic diagram of an interface for displaying a two-dimensional code according to an embodiment of the present application;
FIG. 8 is a schematic diagram of an interface for querying a user travel trajectory in an embodiment of the present application;
FIG. 9 is a schematic diagram of an interface for querying grid travel paths in an embodiment of the present application;
FIG. 10 is a schematic diagram of an embodiment of a crowd density warning device;
fig. 11 is a schematic structural diagram of an electronic device in an embodiment of the present application.
Detailed Description
In order that the above-mentioned objects, features and advantages of the present application may be more clearly understood, the solution of the present application will be further described below. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein; it is to be understood that the embodiments described in this specification are only some embodiments of the present application and not all embodiments.
In the related art, the travel management product may include the following three types:
1) the trip management based on the entrance and exit is specifically managed in a mode of issuing the entrance and exit, and information such as names, numbers, house numbers or departments and the like can be written on the entrance and exit. The method can mainly solve the problem of the travel of the personnel in the fixed place, can effectively distinguish the personnel in the fixed place from the personnel outside the fixed place, improves the passing efficiency of the personnel in the fixed place, and prevents the personnel from gathering. However, the method is mainly used for prevention and control of units such as communities, office areas and the like, solves the problem of access management of personnel in the units, and is not suitable for public places such as airports, railway stations, subway stations, markets, marts and the like.
2) The trip management based on video monitoring can be used for carrying out intelligent identification and analysis on people in the region in a mode of installing video monitoring and carrying out early warning according to alarm rules. Referring to fig. 1, fig. 1 is a schematic diagram of a frame of trip management based on video monitoring, and as shown in the figure, video acquisition may be performed first, then target detection and tracking, behavior and event detection, and the like may be performed according to the acquired image, so that the density of people may be analyzed, and finally, an alarm may be performed when the density is greater than a certain threshold. The method can mainly solve the problem of large-scale aggregation in public places, and can quickly find and position the aggregation of people; even in a conditioned place, an infrared temperature measuring device can be additionally arranged, so that a person with an excessive body temperature can be found in time, and the like.
However, the method is relatively high in cost and cannot be applied to the management of the whole city on a large scale. And if the confirmed cases are found, the closely contacted personnel can not be positioned in time, and effective tracing is carried out.
3) Health code-based trip management has been implemented in most regions with the help of the internet and big data technologies. The method has the advantages that the user can complete filing only by filling in personal information and face recognition authentication, when entering an area, the user can display own health codes only by scanning code registration, and a manager checks the colors of the health codes to conduct traffic management.
In conclusion, the existing travel management method cannot perform crowd density early warning and reminding in real time. In order to solve the problem, the embodiment of the application provides a crowd density early warning method, a crowd density early warning device, an electronic device and a storage medium, and real-time density early warning reminding can be performed.
Referring to fig. 2, fig. 2 is a schematic diagram of a system architecture suitable for the crowd density early warning method in the embodiment of the present application, including: an infrastructure layer, a data layer, a functional layer, and an access layer. The infrastructure layer comprises the technical means utilized by the embodiment of the application: cloud computing, big data, artificial intelligence, and the like. The data layer includes various types of data based on which the user's trip can be managed. For example, gridded resident information, target population data, rehabilitation observation patient data, patient visit tracing data, behavior track sealing data and the like. The grid resident information refers to personal information filled by a user when registering a health code, the target population data refers to data of people with health states other than health, the rehabilitation observation patient data refers to data of people with target populations who are rehabilitated after treatment, the state of the health code of the user can be changed according to the data, and the patient treatment tracing data refers to relevant historical information of the patient in a treatment process and is used for analyzing the health state of the patient. The behavior trace seal data is information of a person who has close contact with a diagnosed patient or a suspected patient.
The functional layers may include: health monitoring, grid management (i.e., each area can be divided into a plurality of different grids, one grid corresponds to each area), travel trajectory, big data analysis, and the like. At the access layer, a user or an administrator can input data through the terminal device to set related parameters or inquire related information and the like, and display crowd density and the like at the terminal device.
First, the method for warning the crowd density in the embodiment of the present application is described in detail below.
Referring to fig. 3, fig. 3 is a flowchart of a crowd density early warning method in an embodiment of the present application, which may include the following steps:
and 310, responding to the scanning operation of the user terminal for the two-dimensional code of the target area, displaying a two-dimensional code scanning result, and if the two-dimensional code scanning result is a preset result, adding 1 to the number of people corresponding to the target area, wherein the initial value of the number of people corresponding to the target area is 0.
In the embodiment of the application, a city can be divided into a plurality of different areas, each area can be regarded as a grid, and city management is carried out according to a grid model theory, namely, streets and communities of the city are divided into a plurality of grids according to certain standards in a refining mode so as to realize the strip block management, the multi-level linkage and the resource sharing, and therefore the refinement level of the city management is improved. For each area, a corresponding two-dimensional code and an administrator can be distributed, a user entering the area can scan the two-dimensional code corresponding to the area, and the administrator can check the two-dimensional code scanning result of the user to determine whether the user passes through. The execution main body of the embodiment of the application can be application software, and an administrator in each area can perform travel management on personnel in each area through the application software.
Before the user scans the two-dimensional code, personal information can be registered to generate the personal health code. The personal information may include: name, identification number, contact number, home address (which may be a structured home address), health status, etc. In the process, the verification can be carried out through face recognition. The generated health code can be seen in fig. 4, and the health code may include a name, an identification number and a health code. Wherein, the information such as the color or shape of the health code can indicate the health status of the user. For example, if the health status in the user information is healthy, the color of the health code corresponding to the user may be green; if the health status in the user information is not healthy (may include suspected, confirmed, cured, close contact, etc.), the color of the health code corresponding to the user may also correspond to a plurality of different colors according to the above-mentioned types. For example, in the case of a confirmed health status, the health code may be red, and in other cases, yellow, etc. Alternatively, the health code may be circular when the health status is healthy, square when the health status is confirmed, or elliptical when the health status is confirmed.
The target area may be any one of a plurality of areas obtained by dividing a city, and may be, for example, an office building, a cell, a supermarket, a mall, a park, or the like. In addition, the target area may be an unfixed area, such as a public transportation vehicle such as a bus or a subway. At this time, the two-dimensional code of the target area is the riding code.
When a user wants to enter a target area, the user terminal (a mobile terminal device used by the user, for example, a smart phone) may scan a two-dimensional code in the target area to obtain a two-dimensional code scanning result. Wherein, the two-dimensional code scanning result can be the same as the color or shape of the health code of the user. That is, the health status of the user can be known from the two-dimensional code scanning result. The preset result may be, for example, the aforementioned green color or circle, which indicates that the health status of the user is healthy. On one hand, after seeing the two-dimensional code scanning result, the administrator can let the user pass, on the other hand, the application software can also determine that the health state of the user is healthy, and count the number of people corresponding to the target area, namely adding 1 to the number of people corresponding to the target area.
Step 320, determining the increment of the number of people corresponding to the target area in the current time period; wherein the current time period is a time period from the history time to the current time.
In the embodiment of the application, the process of counting the number of people corresponding to the target area is an accumulation process, the flow of people in the current time period can be counted, and the number of people corresponding to the target area at the current time can be subtracted from the number of people corresponding to the target area at the historical time, so that the increase of the number of people corresponding to the target area in the current time period can be obtained.
For example, the current time period may be the current half hour, one hour, two hours, one day, and so forth. Under the condition that the current time period is 1 hour, the historical time is the time before 1 hour of the current time, so that the pedestrian volume within 1 hour can be counted. And under the condition that the current time period is 1 day currently, the historical time is the time corresponding to the previous day at the current time. Thus, the flow rate of people in 1 day, namely the sum of people in one day, can be counted.
Optionally, the number of people corresponding to the target area can be periodically cleared. For example, the number of people corresponding to the target area is cleared at 0:00 time every day or every week, on one hand, the number of people corresponding to the target area can be prevented from being too large, on the other hand, when the number of people corresponding to the target area is cleared every day or every week, the number of people corresponding to the target area is actually the cumulative number of people per day or the cumulative number of people per week, and the administrator can set the number according to actual needs.
And 330, if the increment of the number of people corresponding to the target area in the current time period reaches a people number early warning threshold value, sending early warning information to the management terminal.
In the embodiment of the application, if the increment of the number of people corresponding to the target area in the current time period reaches the number-of-people early warning threshold value, the increment of the number of people in the target area in the current time period is too much, and early warning information can be sent to the management terminal to remind an administrator to take corresponding measures. The method for sending the early warning information may include one or more of WeChat, short message and telephone. Referring to fig. 5, fig. 5 is a schematic diagram of the warning information in the embodiment of the present application, and it can be seen that the warning information includes a handling procedure of the administrator, that is, "please suspend the release", so that the administrator can temporarily prevent other people from entering the target area, and prevent the crowd density from being too high.
According to the crowd density early warning method, the increase of the number of people in the current time period (such as the current hour or the current day) of the target area is monitored in real time, and early warning information is sent to the management terminal (namely the terminal equipment used by the administrator) when the number of people reaches the early warning threshold value. Therefore, the administrator can prevent other people from entering the target area in time, and the crowd density is prevented from being too high. The method and the system can monitor the crowd intensity in real time when the personnel are managed in a trip, and the efficiency of the management of the personnel in the trip by the administrator is improved.
Referring to fig. 6, fig. 6 is a flowchart of a crowd density warning method in an embodiment of the present application, which may include the following steps:
and 610, responding to the parameter setting operation of the administrator for the target area, and setting the crowd density control parameter of the target area to obtain a crowd density control parameter value, wherein the crowd density control parameter value comprises a crowd early warning threshold value.
In the embodiment of the application, the grid coding management can be performed on the city. Alternatively, for a fixed area, e.g. a cell, a mall, etc., the code for each area may consist of 15 digits, which in turn are: a 6-digit county-level and above-county-level administrative district code, a 3-digit street (town) code, a 3-digit community code, and a 3-digit grid sequence code, but the coding method of the region is not limited to this. In addition, when the grid is changed, in order to prevent confusion, the original code can be continuously kept, and the newly added unit grid is expanded according to the original coding rule. For non-fixed areas, such as vehicles, the coding may be uniform by county domain. The encoded mesh can be seen in table 1.
TABLE 1
Serial number Grid numbering Grid name Type (B) Status of state
1 429352021122001 Happy street victory district Administrative division Is effective
2 429352021122002 Happy street culture hotel Hotel Is effective
3 429352001001002 68 routes public traffic Vehicle with a steering wheel Is effective
…
In order to enable grid management to be more convenient, convenient and intelligent and exert the activity of a grid manager, the method and the system have the advantages that the grid setting function is added, and the manager can set the crowd density control parameters of the target area. In an optional implementation manner, after the administrator scans the two-dimensional code of the target area through the management terminal, the application software displays a parameter setting interface in response to the scanning operation of the management terminal on the two-dimensional code of the target area, so that the administrator performs the parameter setting operation on the parameter setting interface. The details of the population density control parameter are shown in table 2.
TABLE 2
Figure RE-GDA0003292479900000111
The crowd density control parameter may include basic information of the grid, such as grid code, grid name, grid type, grid area, etc., and also includes a number of people early warning threshold and an early warning mode. Wherein, the number of people early warning threshold value can include the number of people early warning threshold value that the different time quantum of a plurality of duration corresponds, for example include: the early warning threshold value of the number of people corresponding to each hour, the early warning threshold value of the number of people corresponding to each day and the like. The number early warning threshold value can be a numerical value directly set by the administrator, or can be determined according to the product of the maximum number of people borne in a plurality of time periods with different durations and the early warning proportion, at this time, the administrator can set the maximum number of people borne in the plurality of time periods with different durations and the early warning proportion respectively.
And step 620, responding to the scanning operation of the user terminal for the two-dimensional code of the target area, displaying a two-dimensional code scanning result, and if the two-dimensional code scanning result is a preset result, adding 1 to the number of people corresponding to the target area, wherein the initial value of the number of people corresponding to the target area is 0.
As described in the embodiment of fig. 3, the user entering the target area scans the two-dimensional code in the target area, and may display the two-dimensional code scanning result. If the two-dimensional code scanning result is a preset result, the health state of the user is represented as healthy, the administrator can let the user pass, and the number of people corresponding to the target area is increased by 1. Optionally, in order to further improve the security and avoid possible infection, the administrator may scan the health code of the user and check the travel track of the user to determine whether the user passes through a high risk area. Specifically, the application software responds to the scanning operation of the management terminal for the health code corresponding to the user, and displays the travel track of the user. In the event that the administrator finds that the user passes through a high risk area, the user may be prevented from entering the target area. If the two-dimensional code scanning result is other result, namely indicating that the health state of the user is not healthy, the administrator can prevent the user from passing and manage the user.
It is noted that for public places (e.g., supermarkets, malls, scenic spots, etc.), the personnel may be monitored in step 620. For an area such as a residential quarter where an entrance guard is installed, a user entering the area needs an authentication mode such as an entrance guard card, and the number of people entering the area can be not counted. The user can directly shine the sign indicating number trip, clicks the button that is used for the sign indicating number trip in the interface promptly, can directly show the two-dimensional code. In addition, the health status of the user in the last few days can be displayed while the two-dimensional code is displayed. Referring to fig. 7, fig. 7 is an interface schematic diagram for displaying a two-dimensional code in the embodiment of the present application, and after the user clicks "healthy trip", the two-dimensional code of the user can be displayed. Namely, the operation of scanning the two-dimensional code of the target area by the user is avoided, and the passing speed of the user is accelerated.
Step 630, determining the increment of the number of people corresponding to the target area in the current time period; wherein the current time period is a time period from the history time to the current time.
And step 640, if the increment of the number of people corresponding to the target area in the current time period reaches the number-of-people early warning threshold value, sending early warning information to the management terminal.
In the embodiment of the present application, the steps 630 to 640 are the same as the steps 320 to 330 in the embodiment of fig. 3, and specific reference may be made to the description in the embodiment of fig. 3, which is not repeated herein.
In an alternative implementation, the user can also view his own travel record, facilitating close-contact self-investigation. Through tracing of the personal travel track, information of the user, such as an identification number, is input, and all travel tracks of the user can be recorded in all flowing places where the user passes since the system is on line by clicking for query. The interface of the application software may include an input box for inputting the identification information of the user and a button for querying the travel track, and after the user inputs the identification information of the user (for example, an identification number), the user may click the button to query the travel track of the user. Accordingly, the application software receives the user identification information input by the user, and responds to the travel track query operation of the user aiming at the identification information to display the travel track of the user.
Referring to fig. 8, fig. 8 is an interface schematic diagram of querying a user's travel track in the embodiment of the present application, and after a user inputs an identification number in the interface, the user can click an "query" button to display the user's travel track. In addition, the user can click a 'export' button to export the travel track of the user, and the exported information can be directly viewed when the user views the travel track next time.
In an alternative embodiment, the administrator of the target area can also view the information of all the persons passing through the target area, thereby facilitating epidemiological investigation and accurate prevention and control. Specifically, the administrator may query, according to the date, user information corresponding to the user terminal that scans the two-dimensional code in the target area, and the application software responds to the trajectory query operation of the administrator for the target area, and displays the user information of all users passing through the target area. Referring to fig. 9, fig. 9 is an interface schematic diagram of querying a grid travel track in the embodiment of the present application, and an administrator may select a start date and an end date to be queried in the interface, and may display user information of all users after clicking a "query" button, and may also view detailed information of the users after being authorized by the users.
In the embodiment of the present application, the city administrator may manage target persons (e.g., confirmed patients, suspected patients, close contacts of confirmed patients, etc.) described below. Based on the individual travel track of the user and the travel track corresponding to the target area, the close contact person of the target person can be inquired. The city administrator can input information (such as identification number and the like) of the target person, the application software receives the information of the target person input by the administrator, determines the close contact person of the target person and displays the information of the close contact person of the target person; wherein, the state of the health code corresponding to the target person is a non-health state.
Specifically, each area in the travel track of the target person may be determined first, and the information of the close contact person in the date range may be checked through tracing the personal travel track, that is, other users who are about to enter each area in the target time range may be used as the close contact person of the target person, and the information of the close contact person may be displayed, for example, the name, the telephone number, the identification number, the contact area between the close contact person and the target person, the contact time, and the like of the close contact person. The user can view and access detailed information of closely contacted people after authorization. Wherein the target time range is determined based on the time at which the target person enters each zone. The type of each area is different, and the time length of stay in the area by the user is usually different, so the time length of the corresponding target time range can be different. For example, the time when the target person enters a supermarket is 10:30 (2 months, 1 days), the user who enters the supermarket before the time and the user who enters the supermarket after the time may intersect with the target person, and the target time range can be 9:00-12:00 (2 months, 1 days). If the time when the target person enters a certain scenic spot is 2 months, 13 days and 9:30, the whole day of 2 months and 13 days can be taken as the target time range.
In the embodiment of the application, the concentration of the crowd in the area can be further represented by the thermodynamic diagram, and the area with higher concentration displays hotter. The city administrator can also check the crowd density monitoring information in the whole district, lock the abnormal grid through thermodynamic diagram, and monitor and dispose the abnormal condition through the inquiry of grid travel track and the close contact tracing of travel track. In addition, the comprehensive display large screen can be established to visually display various index information for a city manager, and the comprehensive display large screen can comprise: and accumulating various indexes such as grid number, registered number, accumulated code scanning times, target population statistics, grid access statistics and the like, wherein various index information can be displayed in a visual form such as a pie chart, a scatter chart, a curve chart, a histogram, a map construction and the like. Therefore, a city manager can intuitively know various monitoring information through the comprehensive display large screen, and the trip of personnel in the whole city is conveniently managed.
In an alternative embodiment, the historical track map may be used to predict the increase in the number of people corresponding to the target area in a future time period; wherein, historical orbit map includes: a travel trajectory of the user passing through the target area at a historical time period; and determining whether to send reminding information to the management terminal or not based on the increase of the number of people corresponding to the target area in the future time period. That is, through big data analysis techniques, the flow of people in the target area over different time periods is determined. Therefore, by making crowd intensity prediction in advance and sending the reminding information to the management terminal, the manager can conveniently make a plan as soon as possible and prevent risks.
For example, for parks, it can be seen from big data analysis that the traffic in weekend parks is much larger than in weeks, and during minor and long holidays the traffic is still larger. And in special seasons, such as march, the flow of people is also large, and at the moment, reminding information can be sent to the management terminal, so that an administrator can conveniently make a plan as early as possible and prevent risks.
According to the crowd density early warning method, the grid management function is added, the grid administrator can set the grid attributes by scanning the two-dimensional codes corresponding to the grids through the terminal equipment, abnormal early warning information can be received in real time, and management efficiency is improved. And moreover, the grid manager is supported to scan the health codes of the passers to carry out passing management, whether the personnel entering the grid have risks or not is confirmed, and the safety is further improved. The travel track can be checked through the grid and the individual dimension, so that close contact analysis is facilitated, and the value of big data is contributed to epidemic situation prevention and control to the maximum extent. Thermodynamic diagrams and visual monitoring large screens can intuitively help managers to lock abnormal areas most quickly and assist the managers to make decisions quickly and scientifically. Through a big data analysis technology, crowd intensity prediction is made in advance, and a message is sent to remind a manager, so that a plan can be conveniently formulated as soon as possible, and risks are prevented.
Corresponding to the above method embodiment, an embodiment of the present application further provides a crowd density early warning device, referring to fig. 10, where fig. 10 is a schematic structural diagram of the crowd density early warning device in the embodiment of the present application, and the schematic structural diagram includes:
a scanning result display module 1010, configured to display a two-dimensional code scanning result in response to a scanning operation of the user terminal for the two-dimensional code of the target area;
the people counting module 1020 is used for adding 1 to the number of people corresponding to the target area if the two-dimensional code scanning result is a preset result, and the initial value of the number of people corresponding to the target area is 0;
a number of people increase determining module 1030, configured to determine an increase of the number of people corresponding to the target area in the current time period; wherein the current time period is a time period from the historical time to the current time;
the warning information sending module 1040 is configured to send warning information to the management terminal if an increase in the number of people corresponding to the target area in the current time period reaches a number warning threshold.
In an optional implementation manner, the crowd density early warning device further includes:
and the parameter setting module is used for responding to the parameter setting operation of the administrator for the target area, and setting the crowd density control parameter of the target area to obtain a crowd density control parameter value, wherein the crowd density control parameter value comprises a crowd early warning threshold value.
In an optional implementation manner, the crowd density early warning device further includes:
and the parameter setting interface display module is used for responding to the scanning operation of the management terminal on the two-dimensional code of the target area and displaying a parameter setting interface so that an administrator can execute the parameter setting operation on the parameter setting interface.
In an optional implementation manner, the crowd density early warning device further includes:
and the user travel track query module is used for responding to the scanning operation of the management terminal aiming at the health code corresponding to the user and displaying the travel track of the user.
In an optional implementation manner, the crowd density early warning device further includes:
the close contact person information display module is used for receiving the information of the target person input by the administrator, determining the close contact person of the target person and displaying the information of the close contact person of the target person; wherein, the state of the health code corresponding to the target person is a non-health state.
In an alternative embodiment, the close contact person information display module determines the close contact person of the target person by:
determining each area in the travel track of the target person and the time when the target person enters each area;
other users who enter each area within the target time range are regarded as close contact persons of the target person, and the target time range is determined based on the time.
In an optional implementation manner, the crowd density early warning device further includes:
the number of people increase amount prediction module is used for predicting the increase amount of the number of people corresponding to the target area in the future time period by utilizing the historical track map; wherein, historical orbit map includes: a travel trajectory of the user passing through the target area at a historical time period;
and the reminding information sending module is used for determining whether to send reminding information to the management terminal based on the increase of the number of people corresponding to the target area in the future time period.
In an optional implementation manner, the crowd density early warning device further includes:
and the personal travel track query module is used for receiving the user identification information input by the user and responding to travel track query operation of the user aiming at the identification information to display the travel track of the user.
In an optional implementation manner, the crowd density early warning device further includes:
and the target area travel track query module is used for responding to the track query operation of the administrator for the target area and displaying the user information of all the users passing through the target area.
The details of each module or unit in the above device have been described in detail in the corresponding method, and therefore are not described herein again.
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the application. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
In an exemplary embodiment of the present application, there is also provided an electronic device including: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to perform the method of any one of the above in this example embodiment.
Fig. 11 is a schematic structural diagram of an electronic device in an embodiment of the present application. It should be noted that the electronic device 1100 shown in fig. 11 is only an example, and should not bring any limitation to the functions and the scope of the application of the embodiments.
As shown in fig. 11, the electronic device 1100 includes a Central Processing Unit (CPU)1101, which can perform various appropriate actions and processes in accordance with a program stored in a Read Only Memory (ROM)1102 or a program loaded from a storage section 1108 into a Random Access Memory (RAM) 1103. In the RAM 1103, various programs and data necessary for system operation are also stored. The central processing unit 1101, the ROM 1102, and the RAM 1103 are connected to each other by a bus 1104. An input/output (I/O) interface 1105 is also connected to bus 1104.
The following components are connected to the I/O interface 1105: an input portion 1106 including a keyboard, mouse, and the like; an output portion 1107 including a signal output unit such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and a speaker; a storage section 1108 including a hard disk and the like; and a communication section 1109 including a network interface card such as a Local Area Network (LAN) card, a modem, or the like. The communication section 1109 performs communication processing via a network such as the internet. A driver 1110 is also connected to the I/O interface 1105 as necessary. A removable medium 1111 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 1110 as necessary, so that a computer program read out therefrom is mounted into the storage section 1108 as necessary.
In particular, according to embodiments of the application, the processes described above with reference to the flow diagrams may be implemented as computer software programs. For example, embodiments of the present application include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated by the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network through the communication portion 1109 and/or installed from the removable medium 1111. When the computer program is executed by the central processing unit 1101, various functions defined in the apparatus of the present application are executed. In some embodiments, the electronic device 1100 may also include an artificial intelligence processor for processing computing operations related to machine learning.
In an exemplary embodiment of the present application, there is also provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method of any one of the above.
It should be noted that the computer readable storage medium shown in the present application can be, for example but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the above. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable storage medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, radio frequency, etc., or any suitable combination of the foregoing.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (12)

1. A crowd density early warning method is characterized by comprising the following steps:
responding to scanning operation of a user terminal for a two-dimensional code of a target area, displaying a two-dimensional code scanning result, and if the two-dimensional code scanning result is a preset result, adding 1 to the number of people corresponding to the target area, wherein the initial value of the number of people corresponding to the target area is 0;
determining the increment of the number of people corresponding to the target area in the current time period; wherein the current time period is a time period from a historical time to a current time;
and if the increment of the number of people corresponding to the target area in the current time period reaches a people number early warning threshold value, sending early warning information to a management terminal.
2. The method according to claim 1, wherein before sending warning information to a management terminal if the increase of the number of people corresponding to the target area in the current time period reaches a people number warning threshold, the method further comprises:
and responding to the parameter setting operation of the administrator aiming at the target area, and setting the crowd density control parameter of the target area to obtain a crowd density control parameter value, wherein the crowd density control parameter value comprises the number of people early warning threshold value.
3. The method of claim 2, wherein prior to the parameter setting operation in response to the administrator for the target area, the method further comprises:
and responding to the scanning operation of the management terminal for the two-dimensional code of the target area, and displaying a parameter setting interface so that the administrator executes the parameter setting operation on the parameter setting interface.
4. The method of claim 1, further comprising:
and responding to the scanning operation of the management terminal for the health code corresponding to the user, and displaying the travel track of the user.
5. The method of claim 1, further comprising:
receiving information of a target person input by an administrator, determining close contact persons of the target person, and displaying the information of the close contact persons of the target person; and the state of the health code corresponding to the target person is an unhealthy state.
6. The method of claim 5, wherein said determining the close-contact person of the target person comprises:
determining each area in the travel track of the target person and the time when the target person enters each area;
and taking other users entering each area within a target time range as close contact persons of the target person, wherein the target time range is determined based on the time.
7. The method of claim 1, further comprising:
predicting the increment of the number of people corresponding to the target area in a future time period by utilizing a historical track map; wherein the historical track map comprises: a travel trajectory of a user passing through the target area over a historical period of time;
and determining whether to send reminding information to the management terminal or not based on the increase of the number of people corresponding to the target area in a future time period.
8. The method of claim 1, further comprising:
and receiving the identity identification information of the user input by the user, and responding to the travel track query operation of the user aiming at the identity identification information, and displaying the travel track of the user.
9. The method of claim 1, further comprising:
and displaying user information of all users passing through the target area in response to the track query operation of the administrator for the target area.
10. A crowd density early warning device, the device comprising:
the scanning result display module is used for responding to the scanning operation of the user terminal aiming at the two-dimensional code of the target area and displaying the scanning result of the two-dimensional code;
the people counting module is used for adding 1 to the number of people corresponding to the target area if the two-dimensional code scanning result is a preset result, and the initial value of the number of people corresponding to the target area is 0;
the number increase determining module is used for determining the increase of the number of people corresponding to the target area in the current time period; wherein the current time period is a time period from a historical time to a current time;
and the early warning information sending module is used for sending early warning information to a management terminal if the increment of the number of people corresponding to the target area in the current time period reaches a number early warning threshold value.
11. An electronic device, comprising:
a processor; and
a memory for storing executable instructions of the processor;
wherein the processor is configured to perform the method of any of claims 1-9 via execution of the executable instructions.
12. A storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the method of any of claims 1-9.
CN202110524257.7A 2021-05-13 2021-05-13 Crowd density early warning method and device, electronic equipment and storage medium Pending CN113705852A (en)

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