CN113538678A - Method and device for determining potential target person - Google Patents
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- CN113538678A CN113538678A CN202110855124.8A CN202110855124A CN113538678A CN 113538678 A CN113538678 A CN 113538678A CN 202110855124 A CN202110855124 A CN 202110855124A CN 113538678 A CN113538678 A CN 113538678A
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 241000700605 Viruses Species 0.000 claims abstract description 85
- 238000012544 monitoring process Methods 0.000 claims abstract description 27
- 230000000241 respiratory effect Effects 0.000 claims abstract description 19
- 208000015181 infectious disease Diseases 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims description 46
- 238000004590 computer program Methods 0.000 claims description 9
- 230000001902 propagating effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000003247 decreasing effect Effects 0.000 description 6
- 230000002265 prevention Effects 0.000 description 4
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- 230000008447 perception Effects 0.000 description 3
- 208000035473 Communicable disease Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- 238000011079 streamline operation Methods 0.000 description 1
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- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The embodiment of the invention provides a method and a device for determining a potential target person, wherein the method comprises the following steps: monitoring a geographical position area corresponding to a preset area of a target streamline; wherein the target streamline is a streamline simulating the passage of a potential crowd transmitting viruses, and the preset area is an area simulating the respiratory propagation range of the potential crowd transmitting the viruses; and if the situation that the position information falls into the geographical position area is monitored, determining a potential target person of the man-made infection virus corresponding to the position information. The device performs the above method. The method and the device for determining the potential target person provided by the embodiment of the invention can accurately determine the potential target person infected with the virus.
Description
Technical Field
The invention relates to the technical field of virtual reality, in particular to a method and a device for determining a potential target person.
Background
The virtual reality is that a virtual world is generated by a computer, a real environment is simulated, and a user interacts and influences with an object in the virtual environment by means of necessary equipment and perception in the aspects of visual perception, listening perception, tactile perception and the like, so that the virtual reality has the characteristics of interactivity, imagination, immersion and the like.
The virtual reality technology can be widely applied to industries such as military affairs, film and television, the industries generally comprise activity sites, the walking routes of activity participants with different identities need to be planned due to different activity participation identities of the activity participants, the walking routes can be simulated through a streamline in a virtual activity scene, and the walking routes of the activity participants with different identities can be simulated through a streamline operation design scheme.
In the process of activity participation, emergencies such as respiratory infectious diseases prevention and control can occur, some activity participants with specific identities cannot use prevention and control tools such as wearing masks, so that other activity participants are easy to be infected by the activity participants with the specific identities, and how to determine potential target persons infected with viruses becomes a problem which needs to be solved urgently.
The approaches described in this section are not necessarily approaches that have been previously conceived or pursued. Unless otherwise indicated, it should not be assumed that any of the approaches described in this section qualify as prior art merely by virtue of their inclusion in this section. Similarly, unless otherwise indicated, the problems mentioned in this section should not be considered as having been acknowledged in any prior art.
Disclosure of Invention
Aiming at the problems in the prior art, the embodiment of the invention provides a method and a device for determining a potential target person.
The embodiment of the invention provides a method for determining a potential target person, which comprises the following steps:
monitoring a geographical position area corresponding to a preset area of a target streamline; wherein the target streamline is a streamline simulating the passage of a potential crowd transmitting viruses, and the preset area is an area simulating the respiratory propagation range of the potential crowd transmitting the viruses;
and if the situation that the position information falls into the geographical position area is monitored, determining a potential target person of the man-made infection virus corresponding to the position information.
Wherein, the monitoring and the geographical position area corresponding to the preset area of the target streamline comprise:
monitoring a geographical position area corresponding to a preset area of a target streamline in a preset time period; wherein the preset time period is determined according to the display time period of the target streamline and the virus propagation duration; the display period simulates a period of time during which the potential population of the propagating virus passes through the target flow line.
Wherein after the step of determining the potential target person of the human infected virus corresponding to the location information, the method further comprises:
and if the target person infected with the virus exists in the potential population of the transmitted virus, determining the potential target person as a high-risk target person infected with the virus.
Wherein, prior to the step of monitoring a geographic location area corresponding to a preset area of a target streamline, the method further comprises:
creating a preset area of a target streamline in a virtual activity scene; the virtual activity scene is a virtual model established according to preset activity scene data.
Wherein, the creating a preset area of the target streamline in the virtual activity scene comprises:
displaying a three-dimensional position coordinate point of the created flow line;
determining the running track type of the streamline according to the positions of all the three-dimensional position coordinate points; the operation track types comprise a first operation track type forming a closed area and a second operation track type not forming the closed area;
and determining a preset region generation strategy corresponding to the type of the running track, and generating the preset region according to the preset region generation strategy.
Generating the preset region according to the preset region generation strategy comprises the following steps:
if the type of the running track is the first type of the running track, sequentially connecting all three-dimensional position coordinate points end to end, and taking the formed closed area as the preset area;
and if the type of the running track is the second type of the running track, generating an arc-shaped space body by taking the running track as a central axis, and taking the area where the arc-shaped space body is located as the preset area.
The virtual activity scene is a virtual event activity scene; accordingly, the target streamline is an athlete streamline.
The embodiment of the invention provides a device for determining a potential target person, which comprises:
the monitoring unit is used for monitoring a geographical position area corresponding to a preset area of the target flow line; wherein the target streamline is a streamline simulating the passage of a potential crowd transmitting viruses, and the preset area is an area simulating the respiratory propagation range of the potential crowd transmitting the viruses;
and the determining unit is used for determining a potential target person artificially infected with the virus corresponding to the position information if the position information is monitored to fall into the geographical position area.
An embodiment of the present invention provides an electronic device, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein,
the processor, when executing the computer program, implements the method steps of:
monitoring a geographical position area corresponding to a preset area of a target streamline; wherein the target streamline is a streamline simulating the passage of a potential crowd transmitting viruses, and the preset area is an area simulating the respiratory propagation range of the potential crowd transmitting the viruses;
and if the situation that the position information falls into the geographical position area is monitored, determining a potential target person of the man-made infection virus corresponding to the position information.
An embodiment of the invention provides a non-transitory computer readable storage medium having a computer program stored thereon, which when executed by a processor implements the following method steps:
monitoring a geographical position area corresponding to a preset area of a target streamline; wherein the target streamline is a streamline simulating the passage of a potential crowd transmitting viruses, and the preset area is an area simulating the respiratory propagation range of the potential crowd transmitting the viruses;
and if the situation that the position information falls into the geographical position area is monitored, determining a potential target person of the man-made infection virus corresponding to the position information.
The method and the device for determining the potential target person provided by the embodiment of the invention monitor the geographical position area corresponding to the preset area of the target streamline, and if the situation that the position information falls into the geographical position area is monitored, the potential target person artificially infected with the virus corresponding to the position information is determined, so that the potential target person infected with the virus can be accurately determined.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a flow chart of an embodiment of a method of determining a potential target person according to the present invention;
FIG. 2 is a schematic diagram illustrating a predetermined area of a target flow line according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a predetermined area of a target flow line according to another embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an embodiment of the apparatus for identifying a potential target person according to the present invention;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a flowchart of an embodiment of a method for determining a potential target person according to the present invention, and as shown in fig. 1, an embodiment of the present invention provides a method for determining a potential target person, including the following steps:
s101: monitoring a geographical position area corresponding to a preset area of a target streamline; the target streamline is a streamline simulating the passage of the potential crowd transmitting the virus, and the preset area is an area simulating the respiratory propagation range of the potential crowd transmitting the virus.
Specifically, the device monitors a geographical location area corresponding to a preset area of the target flow line; the target streamline is a streamline simulating the passage of the potential crowd transmitting the virus, and the preset area is an area simulating the respiratory propagation range of the potential crowd transmitting the virus. The apparatus may be a computer device, e.g. a server, performing the above method. The method may run in a Unity environment.
A preset region of the target streamline may be created in the virtual activity scene in advance.
The server can operate the simulation system to further acquire the virtual activity scene, and can also acquire the virtual activity scene from the simulation system operated in other equipment by establishing a connection relationship with other equipment.
The virtual activity scene is a virtual model established according to preset activity scene data, and the virtual model is a visual model simulating a real activity scene.
The virtual activity scenario may be developed by Unity. The virtual object models in the virtual activity scene all have three-dimensional geographic position coordinates; the preset activity scene data comprises geographic environment data and planning and designing data. Geographic environment data can be acquired by aerial photography of an unmanned aerial vehicle or photographing of a handheld camera, and planning design data can be acquired from an OB (Overlay Book) picture which is a special electronic drawing for active operation design.
It is understood that the preset region of the target streamline is a virtual object element merged into the virtual live scene.
Because the target streamline is a directed path created by sequentially connecting three-dimensional position coordinate points, the preset region also has a spatial position attribute, that is, the geographical position region corresponding to the preset region can be represented by the three-dimensional position coordinates.
It is understood that the geographic location area is a physical object element in the real-life activity scene.
Fig. 2 is a schematic diagram illustrating a preset region of a target flow line according to an embodiment of the present invention, and as shown in fig. 2, the preset region is a region surrounded by 8 three-dimensional position coordinate points.
Taking the event activity and the sudden event as the prevention and control of the respiratory infectious diseases as an example, the following description is given:
athletes can not wear the mask to enter the event activity venue according to the regulations. Thus, potential populations of transmitted viruses include athletes; accordingly, the streamline traveled by potential groups that transmit the virus is an athlete streamline.
Although other participants in the activity, such as media players and audience players, have their own corresponding media streamlines and audience streamlines, the media streamlines and audience streamlines typically do not converge with the player streamlines.
However, on the one hand, the respiratory transmission range of the potential population to transmit the virus may reach the media streamlines and the audience streamlines; on the other hand, media personnel sometimes come into contact with player streamlines due to work needs. Thus, there may be areas where other active participants reach the respiratory propagation range.
S102: and if the situation that the position information falls into the geographical position area is monitored, determining a potential target person of the man-made infection virus corresponding to the position information.
Specifically, if the device monitors that the position information falls into the geographic position area, the device determines the potential target person with the virus artificially infected corresponding to the position information. The position information of the activity participants can be acquired in real time through a positioning technology, and whether the position information falls into a geographical position area or not is determined.
Or monitoring the position information of the activity participants in real time through the monitoring camera, and determining whether the position information falls into a geographical position area or not according to the monitoring video.
Referring to the above examples, the persons corresponding to the position information may include media persons, audience persons, and the like.
It should be noted that the potential people who spread the virus simply do not wear the virus prevention and control tool, and do not carry the virus themselves, so that people who fall into the geographical location area cannot determine the probable infection virus, and therefore, the potential target people who infect the virus are the people.
According to the method for determining the potential target person, provided by the embodiment of the invention, the geographical position area corresponding to the preset area of the target streamline is monitored, if the situation that the position information falls into the geographical position area is monitored, the potential target person artificially infected with the virus corresponding to the position information is determined, and the potential target person infected with the virus can be accurately determined.
On the basis of the above embodiment, the monitoring a geographical location area corresponding to a preset area of the target streamline includes:
specifically, the device monitors a geographical position area corresponding to a preset area of a target flow line within a preset time period; wherein the preset time period is determined according to the display time period of the target streamline and the virus propagation duration; the display period simulates a period of time during which the potential population of the propagating virus passes through the target flow line. Examples are as follows:
the time period of the virus transmission potential crowd passing through the target streamline is 9-10 am on 2-month-5-day 2022, and the display time period of the athlete streamline which can be set in the virtual activity scene is 9-10 am on 2-month-5-day 2022.
The player's streamlines may be displayed during this time period, and hidden during other time periods.
If the virus spread lasts for 48 hours, the preset period is 9 am on 2/5/2022/10 am on 2/7/2022.
According to the method for determining the potential target person provided by the embodiment of the invention, the potential target person infected with the virus can be further accurately determined through the display time period of the target streamline and the virus propagation duration time period.
On the basis of the above embodiment, after the step of determining the potential target person of the human-infected virus corresponding to the location information, the method further includes:
specifically, if the device determines that the target person infected with the virus exists in the potential population of the transmitted virus, the device determines that the potential target person is a high-risk target person infected with the virus. Whether a target person infected with the virus exists in the potential group of the transmitted virus can be determined by medical detection means such as body temperature measurement. If present, people who fall within the geographic location area can be determined to have a high probability of being infected with a virus, and therefore, these people are high risk target people for virus infection.
The method for determining the potential target person provided by the embodiment of the invention can further accurately determine the high-risk target person infected with the virus.
On the basis of the above embodiment, before the step of monitoring the geographical location area corresponding to the preset area of the target streamline, the method further comprises:
specifically, the device creates a preset area of a target streamline in a virtual activity scene; the virtual activity scene is a virtual model established according to preset activity scene data. The virtual activity scene may refer to the above description, and is not repeated.
According to the method for determining the potential target person, provided by the embodiment of the invention, the geographical position area is simulated by creating the preset area of the target streamline, so that the potential target person infected with the virus can be accurately determined.
On the basis of the above embodiment, the creating a preset region of the target streamline in the virtual activity scene includes:
specifically, the device displays a three-dimensional position coordinate point of the created streamline; referring to fig. 2, 8 three-dimensional position coordinate points at which a streamline is created may be displayed first.
Specifically, the device determines the running track type of the streamline according to the positions of all three-dimensional position coordinate points; the operation track types comprise a first operation track type forming a closed area and a second operation track type not forming the closed area; referring to fig. 2, taking the three-dimensional position coordinate point a as an example, the clockwise direction further includes a three-dimensional position coordinate point b to a three-dimensional position coordinate point h.
And if the values ab, ac and ad are increased and then decreased until ah appears, and the minimum distance after the values are decreased is smaller than a preset distance threshold, determining the three-dimensional position coordinate points a-h to form a closed area. Namely, the type of the running track of the three-dimensional position coordinate points a to h is a first running track type.
Fig. 3 is a schematic diagram illustrating a preset region of a target streamline according to another embodiment of the present invention, and as shown in fig. 3, a three-dimensional position coordinate point a is taken as an example, and further includes a three-dimensional position coordinate point b to a three-dimensional position coordinate point g in a clockwise direction.
And if the values ab, ac and ad until ag do not completely meet the two conditions of firstly increasing and then decreasing, and the minimum distance after decreasing is smaller than a preset distance threshold, determining that the three-dimensional position coordinate points a to g do not form a closed area. Namely, the type of the running track of the three-dimensional position coordinate points a to g is the second running track type. Referring to fig. 3, although the values ab to ag satisfy the first condition of increasing and then decreasing, the values ab to ag do not satisfy the second condition of decreasing the minimum distance to be smaller than the preset distance threshold, and therefore the types of the trajectories of the three-dimensional position coordinate points a to g are the second trajectory type.
Specifically, the device determines a preset region generation strategy corresponding to the type of the operation track, and generates the preset region according to the preset region generation strategy. And determining a preset region generation strategy corresponding to the first operation track type as a strategy based on the area of the generation region, as shown in the closed region of fig. 2.
Determining that the preset area generation policy corresponding to the second operation trajectory type is a policy based on the operation trajectory extension area, as shown in the arc-shaped spatial volume of fig. 3.
According to the method for determining the potential target person, the preset region is generated according to the preset region generation strategy, the breathing propagation range of the crowd corresponding to the target streamline can be simulated more reasonably according to the type of the running track, and therefore the accuracy of identification of the potential target person is improved.
On the basis of the above embodiment, the determining a preset region generation policy corresponding to the operation trajectory type, and generating the preset region according to the preset region generation policy includes:
specifically, if the device determines that the type of the running track is the first running track type, sequentially connecting all three-dimensional position coordinate points end to end, and taking the formed closed area as the preset area; referring to fig. 2, a is connected to b, b is connected to c, and so on until h is connected to a. An enclosed area is a rectangular area as shown in fig. 2.
Specifically, if the device determines that the trajectory type is the second trajectory type, the device generates an arc-shaped spatial volume with the trajectory as a central axis, and takes the area where the arc-shaped spatial volume is located as the preset area. The geometric parameters of the arc-shaped space body can be set according to the corresponding values of the respiration propagation range. Referring to fig. 3, fig. 3 is divided into three parts, which are respectively designated as L1 to L3, and an arc-shaped spatial body corresponding to L1 is generated by taking L1 as an example and taking a broken line as a central axis, corresponding to a similar tubular structure in fig. 3. L2 and L3 are not described in detail.
The method for determining the potential target person provided by the embodiment of the invention can further reasonably simulate the respiratory propagation range of the crowd corresponding to the target streamline, thereby improving the accuracy of identification of the potential target person.
On the basis of the above embodiment, the virtual activity scene is a virtual event activity scene; accordingly, the first target streamline in the device is the athlete streamline. Reference is made to the above description and no further description is made.
The method for determining the potential target person provided by the embodiment of the invention is further suitable for an event activity scene, and accurately identifies the potential target person contacting with the athlete in a short distance.
Fig. 4 is a schematic structural diagram of an embodiment of the apparatus for determining a potential target person according to the present invention, and as shown in fig. 4, an embodiment of the present invention provides an apparatus for determining a potential target person, which includes a monitoring unit 401 and a determining unit 402, where:
the monitoring unit 401 is configured to monitor a geographical location area corresponding to a preset area of the target flow line; wherein the target streamline is a streamline simulating the passage of a potential crowd transmitting viruses, and the preset area is an area simulating the respiratory propagation range of the potential crowd transmitting the viruses; the determining unit 402 is configured to determine a potential target person artificially infected with a virus corresponding to the location information if it is monitored that the location information falls into the geographic location area.
Specifically, the monitoring unit 401 is configured to monitor a geographical location area corresponding to a preset area of the target flow line; wherein the target streamline is a streamline simulating the passage of a potential crowd transmitting viruses, and the preset area is an area simulating the respiratory propagation range of the potential crowd transmitting the viruses; the determining unit 402 is configured to determine a potential target person artificially infected with a virus corresponding to the location information if it is monitored that the location information falls into the geographic location area.
The device for determining the potential target person provided by the embodiment of the invention monitors the geographical position area corresponding to the preset area of the target streamline, and if the situation that the position information falls into the geographical position area is monitored, the potential target person artificially infected with the virus corresponding to the position information is determined, so that the potential target person infected with the virus can be accurately determined.
The device for determining a potential target person provided in the embodiment of the present invention may be specifically configured to execute the processing flows of the above method embodiments, and the functions of the device are not described herein again, and refer to the detailed description of the above method embodiments.
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 5, the electronic device includes: a processor (processor)501, a memory (memory)502, and a bus 503;
the processor 501 and the memory 502 complete communication with each other through a bus 503;
the processor 501 is configured to call program instructions in the memory 502 to perform the methods provided by the above-mentioned method embodiments, for example, including: monitoring a geographical position area corresponding to a preset area of a target streamline; wherein the target streamline is a streamline simulating the passage of a potential crowd transmitting viruses, and the preset area is an area simulating the respiratory propagation range of the potential crowd transmitting the viruses; and if the situation that the position information falls into the geographical position area is monitored, determining a potential target person of the man-made infection virus corresponding to the position information.
The present embodiment discloses a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the method provided by the above-mentioned method embodiments, for example, comprising: monitoring a geographical position area corresponding to a preset area of a target streamline; wherein the target streamline is a streamline simulating the passage of a potential crowd transmitting viruses, and the preset area is an area simulating the respiratory propagation range of the potential crowd transmitting the viruses; and if the situation that the position information falls into the geographical position area is monitored, determining a potential target person of the man-made infection virus corresponding to the position information.
The present embodiments provide a non-transitory computer-readable storage medium storing computer instructions that cause the computer to perform the methods provided by the above method embodiments, for example, including: monitoring a geographical position area corresponding to a preset area of a target streamline; wherein the target streamline is a streamline simulating the passage of a potential crowd transmitting viruses, and the preset area is an area simulating the respiratory propagation range of the potential crowd transmitting the viruses; and if the situation that the position information falls into the geographical position area is monitored, determining a potential target person of the man-made infection virus corresponding to the position information.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as ROM RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method of identifying a potential target person, comprising:
monitoring a geographical position area corresponding to a preset area of a target streamline; wherein the target streamline is a streamline simulating the passage of a potential crowd transmitting viruses, and the preset area is an area simulating the respiratory propagation range of the potential crowd transmitting the viruses;
and if the situation that the position information falls into the geographical position area is monitored, determining a potential target person of the man-made infection virus corresponding to the position information.
2. The method of claim 1, wherein the monitoring a geographic location area corresponding to a preset area of a target flowline comprises:
monitoring a geographical position area corresponding to a preset area of a target streamline in a preset time period; wherein the preset time period is determined according to the display time period of the target streamline and the virus propagation duration; the display period simulates a period of time during which the potential population of the propagating virus passes through the target flow line.
3. The method of claim 1 or 2, wherein after the step of determining the potential target person corresponding to the location information for the human infected with the virus, the method further comprises:
and if the target person infected with the virus exists in the potential population of the transmitted virus, determining the potential target person as a high-risk target person infected with the virus.
4. The method of claim 1, wherein prior to the step of monitoring a geographic location area corresponding to a preset area of a target flowline, the method further comprises:
creating a preset area of a target streamline in a virtual activity scene; the virtual activity scene is a virtual model established according to preset activity scene data.
5. The method of claim 4, wherein creating the preset region of target streamlines in the virtual activity scene comprises:
displaying a three-dimensional position coordinate point of the created flow line;
determining the running track type of the streamline according to the positions of all the three-dimensional position coordinate points; the operation track types comprise a first operation track type forming a closed area and a second operation track type not forming the closed area;
and determining a preset region generation strategy corresponding to the type of the running track, and generating the preset region according to the preset region generation strategy.
6. The method of claim 5, wherein the generating the preset region according to the preset region generation policy comprises:
if the type of the running track is the first type of the running track, sequentially connecting all three-dimensional position coordinate points end to end, and taking the formed closed area as the preset area;
and if the type of the running track is the second type of the running track, generating an arc-shaped space body by taking the running track as a central axis, and taking the area where the arc-shaped space body is located as the preset area.
7. The method according to any one of claims 4 to 6, wherein the virtual activity scenario is a virtual event activity scenario; accordingly, the target streamline is an athlete streamline.
8. An apparatus for identifying a potential target person, comprising:
the monitoring unit is used for monitoring a geographical position area corresponding to a preset area of the target flow line; wherein the target streamline is a streamline simulating the passage of a potential crowd transmitting viruses, and the preset area is an area simulating the respiratory propagation range of the potential crowd transmitting the viruses;
and the determining unit is used for determining a potential target person artificially infected with the virus corresponding to the position information if the position information is monitored to fall into the geographical position area.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method according to any of claims 1 to 7 are implemented when the computer program is executed by the processor.
10. A non-transitory computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110855124.8A CN113538678A (en) | 2021-07-28 | 2021-07-28 | Method and device for determining potential target person |
Applications Claiming Priority (1)
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