CN113823418A - Epidemiology traceability system and method based on GIS geographic information technology - Google Patents
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Abstract
The invention relates to the technical field of information processing, in particular to an epidemiology traceability system and method based on a GIS geographic information technology.A flow regulation information acquisition unit is used for acquiring the travel information of a flow regulation object; the information processing unit is used for acquiring a travel track point set comprising at least two track points according to the travel information and establishing a mapping relation between the flow modulation object and the travel track point set; the storage module is used for storing the mapping relation; the data analysis module is used for acquiring a plurality of associated track points related to the track points according to the position information of each track point, determining an associated travel track point set containing the associated track points according to the associated track points, and determining an associated flow modulation object according to the associated travel track point set and the mapping relation stored in the storage module. The invention improves the accuracy of tracing and reduces the burden of tracing at the later stage.
Description
Technical Field
The invention relates to the technical field of information processing, in particular to an epidemiology traceability system and method based on a GIS geographic information technology.
Background
At present, epidemiology traceability methods are relatively backward, for example, when tracing pneumonia caused by a novel coronavirus, usually a field-based traceability method is used to obtain journey information of a flow object, specifically, relevant journeys of the flow object are recorded and manually sorted to form a word version flow report, and the flow reports of other flow objects are compared one by one according to journeys in the report, so as to search for journey information related to the flow objects and establish association between the flow objects.
However, the existing epidemiology traceability method is complex, manual information acquisition and information processing are required, and the journey needs to be compared in a large number of flow regulation reports, and the association between personnel needs to be established. This process takes a lot of time and the results obtained by tracing are very susceptible to human factors.
Disclosure of Invention
Therefore, it is necessary to provide an epidemiology traceability system and method based on the GIS geographic information technology, aiming at the problems that the epidemiology traceability takes a long time and the traceability result is easily affected by human factors.
On one hand, the invention provides an epidemiology traceability system based on a GIS geographic information technology, which comprises a flow regulation information acquisition unit, an information processing unit, a storage module and a data analysis module; wherein,
the system comprises a flow modulation information acquisition unit, a flow modulation information processing unit and a flow modulation information processing unit, wherein the flow modulation information acquisition unit is used for acquiring the travel information of a flow modulation object;
the information processing unit is used for acquiring a travel track point set comprising at least two track points according to the travel information and establishing a mapping relation between the flow modulation object and the travel track point set;
the storage module is used for storing the mapping relation;
and the data analysis module is used for acquiring a plurality of associated track points related to the track points according to the position information of each track point, determining an associated travel track point set containing the associated track points according to the associated track points, and determining an associated flow modulation object according to the associated travel track point set and the mapping relation stored in the storage module.
The technical solution of the present application is further explained as follows:
in one embodiment, the flow modulation information acquisition unit comprises an internal field information acquisition unit and an external field flow modulation management unit;
the system comprises an infield information acquisition unit, a server and a data processing unit, wherein the infield information acquisition unit is used for acquiring infield flow modulation information of a flow modulation object according to a pre-stored standardized flow modulation template and uploading the infield flow modulation information to the server;
the external field flow modulation management unit is used for synchronously acquiring the internal field flow modulation information from the server, processing the internal field flow modulation information and extracting the travel information; the external field flow modulation management unit is used for feeding back an external field flow modulation instruction to the internal field information acquisition unit based on the internal field flow modulation information and the extracted travel information, and the external field flow modulation instruction is used for the internal field information acquisition unit to supplement and acquire the internal field flow modulation information.
In one embodiment, the intra-field stream key information includes one or more of voice information, image information, and text information.
The outfield flow dispatching management unit comprises a key information extraction module, an information transcription module and a display module.
In one embodiment, the associated track point is point location information within a limited time and a limited distance range of the track point.
In one embodiment, the travel information includes time information and spatial information, and the travel information of the streamed objects is aggregated and displayed through a GIS technology.
In another aspect, the present invention provides a GIS-based epidemiology traceability method, which comprises the following steps:
acquiring the travel information of the flow adjustment object;
acquiring a travel track point set comprising at least two track points according to the travel information, and establishing a mapping relation between a flow modulation object and the travel track point set;
storing the mapping relation;
acquiring a plurality of associated track points related to each track point according to the position information of each track point;
determining an associated travel track point set containing the associated track points according to the associated track points;
and determining the associated flow modulation object according to the associated travel track point set and the mapping relation stored in the storage module.
Further description of the invention:
in one embodiment, the tracing method applied to the real-time streaming process includes the following steps:
acquiring travel information and a travel track point set of the flow adjustment object, and aggregating through a GIS technology;
giving a time interval t1 and a distance interval r1, calling associated track points in the storage module within the range of the time interval t1 and the distance interval r1 based on the time information and the space information of each track point, and determining track association;
determining personnel association based on the associated track points and the mapping relation stored in the storage module;
and giving a distance interval r2, calling epidemic point information in the storage module, comparing the epidemic point information with each track point of the flow modulation object to obtain an association distance, and determining the association of the epidemic points, wherein the association distance is within the range of the distance interval r 2.
And feeding back the integrated track association, personnel association and epidemic point association information in real time.
It should be noted that the specific numerical ranges of t1, r1, and r2 in this scenario are all determined according to the current epidemic prevention and control standard, epidemic propagation speed, infectivity, and other relevant information.
In one embodiment, when the tracing method is applied to the process of calculating the track association, the method includes the following steps:
backtracking the acquired travel information through a GIS technology, setting a distance interval r3, acquiring a track intersection point within the distance interval r3 based on each track point, generating point position information of the track intersection point and calculating track intersection times;
and judging whether the track crossing times of the track crossing points are higher than a preset value or not, and feeding back the result to the real-time flow modulation process.
It should be noted that, in this scenario, the specific numerical range of r3 is determined according to the current epidemic prevention and control standard, the epidemic propagation speed, the infectivity, and other relevant information.
In one embodiment, the tracing method applied to the process of calculating key point location information includes the following steps:
aggregating the acquired travel information and travel track points through a GIS technology;
acquiring a dangerous weight value of the point location according to a time interval between the time information of the track point and the attack time information;
and generating current risk area information through a thermodynamic diagram technology of the GIS based on the dangerous weight values of the track points.
The key point positions comprise epidemic areas, epidemic points and patient passing points.
In one embodiment, the tracing method applied to the process of calculating the propagation interpersonal relationship comprises the following steps:
aggregating the acquired travel information and travel track points through a GIS technology;
giving a time interval t4 and a distance interval r4, and calling associated track points in the storage module within the range of the time interval t4 and the distance interval r4 based on the time information and the space information of each track point;
and arranging the associated track points according to the time information sequence to generate a propagation chain.
It should be noted that, the specific numerical ranges of t4 and r4 in this scenario are determined according to the current epidemic situation prevention and control standard, the epidemic situation propagation speed, infectivity and other relevant information.
Based on the technical scheme, it should be noted that the track information of the flow-regulated object is displayed in real time based on the GIS geographic information technology, and the travel track of the flow-regulated object is restored. Meanwhile, the system can compare the information of each track point location of the current dispatched person with the track point locations of other persons in the system, analyze and calculate the track intersection of the patient and the other persons in real time and prompt the user, and detect the epidemic point information of the patient passing by and the related information of the contact persons. And the result is fed back in time to provide basis for decision making. The dispatching personnel can directly convert information such as places and personnel needing to be emphatically investigated into instructions based on the prompted associated information and transmit the instructions to the dispatching personnel.
The invention has the beneficial effects that: the tracing related information can be prompted in the real-time flow dispatching process through the real-time studying and judging function, the current flow dispatching object is emphatically investigated directly according to the tracing related information, the tracing accuracy is improved, and the burden of later-stage tracing is reduced.
Drawings
Fig. 1 is a schematic flow chart of an epidemiology traceability method based on a GIS geographic information technology in an embodiment of the present invention;
fig. 2 is a process diagram of a method for acquiring the trip information of the stream object in the first step.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
On one hand, the invention provides an epidemiology traceability system based on a GIS geographic information technology, which aims to restore the real journey of a person under investigation by using a GIS technology marking point location based on the journey record of the person under investigation, and searches for a possible infection source of the person under investigation by calculating and analyzing the associated information of other people, and comprises a flow regulation information acquisition unit, an information processing unit, a storage module and a data analysis module; wherein,
the system comprises a flow modulation information acquisition unit, a flow modulation information processing unit and a flow modulation information processing unit, wherein the flow modulation information acquisition unit is used for acquiring the travel information of a flow modulation object;
the information processing unit is used for acquiring a travel track point set comprising at least two track points according to the travel information and establishing a mapping relation between the flow modulation object and the travel track point set;
the storage module is used for storing the mapping relation;
and the data analysis module is used for acquiring a plurality of associated track points related to the track points according to the position information of each track point, determining an associated travel track point set containing the associated track points according to the associated track points, and determining an associated flow modulation object according to the associated travel track point set and the mapping relation stored in the storage module.
It should be noted that a Geographic Information management System (GIS) is a spatial Information System, and can analyze and process spatial Information. The method can be used for performing functions of aggregation, display, management and description on the track information of the flow dispatching object, on the basis of space information and time information management, the association information of each track point location and the association information of each flow dispatching object are obtained through data analysis and operation, analysis and data acquisition of relevant conditions such as track association, epidemic point association, personnel association, track intersection, epidemic point risk assessment, virus propagation alternate relation and the like are performed, a large amount of data information and judgment basis are provided for mastering the traceability condition, meanwhile, the recording and operation of manually processing a large amount of complicated information are avoided, the time cost is saved, and the error rate is reduced.
In one embodiment, the flow modulation information acquisition unit comprises an internal field information acquisition unit and an external field flow modulation management unit;
the system comprises an infield information acquisition unit, a server and a data processing unit, wherein the infield information acquisition unit is used for acquiring infield flow modulation information of a flow modulation object according to a pre-stored standardized flow modulation template and uploading the infield flow modulation information to the server;
the external field flow modulation management unit is used for synchronously acquiring internal field flow modulation information from the server, processing the internal field flow modulation information to extract key information, modulating a standardized flow modulation template, selecting required information from the key information according to the standardized flow modulation template, and storing the required information into the standardized flow modulation template; the external field flow modulation management unit is used for feeding back an external field flow modulation instruction to the internal field information acquisition unit based on the internal field flow modulation information and/or a standardized flow modulation template stored in the demand information, and the external field flow modulation instruction is used for the internal field information acquisition unit to supplement and acquire the internal field flow modulation information.
The flow modulation information acquisition unit reduces the influence of subjective judgment of field flow modulation personnel on the acquired interior field flow modulation information by setting a standardized flow modulation template; by arranging the external field flow dispatching management unit to process the internal field flow dispatching information in real time instead of completely relying on the internal field information acquisition unit to acquire and process the information, the problems of incomplete information acquisition or high information processing error rate caused by too many tasks of field flow dispatching personnel are avoided, and the field flow dispatching personnel can concentrate on field inquiry; by arranging the external field flow modulation management unit to synchronously acquire the internal field flow modulation information, monitor field inquiry, and feed back an external field flow modulation instruction to the internal field information acquisition unit based on the internal field flow modulation information and/or a standardized flow modulation template stored in demand information, the interaction between the internal field and the external field is realized, and the reliability of the information acquired by flow modulation and the professional dependence degree of the ratio of available information on internal field flow modulation personnel are reduced.
In one embodiment, the intrafield stream tone information includes one or more of voice information, image information, and text information. Preferably, the context information includes a text message and a speech message, wherein the text message includes a sentence obtained by converting the speech message in the background and a text message obtained by segmenting words in the sentence according to semantics and contexts by the NLP segmentation technique. Therefore, the on-site flow dispatching personnel can directly collect the voice information, the background converts the voice information into the sentences and carries out word segmentation processing, and compared with the on-site flow dispatching personnel filling the questionnaire according to the inquiry, the method is more efficient.
In one embodiment, the standardized flow modulation template comprises basic information and more than one flow modulation item, wherein the flow modulation item comprises one of morbidity and clinic information, risk reason and exposure history information and travel track information. It should be noted that the content of the standardized flow chart template may be set as needed in addition to the above information, and the content of the standardized flow chart template may be updated and iterated continuously according to experience accumulated in the conventional flow chart process.
In one embodiment, the outfield flow dispatching management unit comprises a key information extraction module, an information transcription module and a display module. And the key information extraction module is used for processing and extracting key information according to the inner field flow modulation information and forming an information summary form. The information transcription module is used for calling the standardized flow modulation template according to the key information and selecting the demand information from the key information according to the standardized flow modulation template. The display module is used for displaying at least two of the scene flow modulation information, the information summary form and the standardized flow modulation template. The outfield flow dispatching personnel can synchronously acquire the flow dispatching information of the outfield in an office through the outfield information processing unit, for example, answer the voice information of the outfield and text information such as characters, word segmentation and the like in real time, and a key information extraction module is adopted to extract valuable information in the voice information and the text information and simultaneously store the valuable information in an information gathering frame of a flow page to form an information gathering form. It should be noted that, in an embodiment, the key information includes object related information and object travel information, and the information summary form includes two items corresponding to the key information.
The information processing unit processes the inner field flow modulation information in two steps to obtain the demand information and stores the demand information into the standardized flow modulation template. The method comprises the steps of firstly processing collected inner field flow modulation information to extract key information and form an information summary form, and secondly selecting required information from the key information according to a standardized flow modulation template and storing the required information into the standardized flow modulation template. The information processing step by step can reduce the information amount required to be processed in the single step, and the information required to be filled in the standardized flow modulation template is acquired from the inner field flow modulation information step by step.
In one embodiment, the storage module is arranged in the server, serves as a database and stores all the flow modulation objects and the associated information; the storage module is used for storing the infield flow modulation information acquired by the infield information acquisition unit. Therefore, the inner field flow modulation information collected by the inner field information collection unit can be stored so as to be recalled when needed, for example, dialects used by a modulation object in the flow modulation process cause that collected voice information can not identify sentences or errors in identification, the inner field flow modulation information stored in the storage unit can be recalled, and the information is re-identified and extracted by manual identification or other modes.
In addition, the storage module is used for storing a plurality of standardized flow modulation templates and mapping relations between the flow modulation objects and the standardized flow modulation templates. It should be noted that the system may set a corresponding standardized flow adjustment template for the features of different flow adjustment objects and establish a mapping relationship after mapping, the emphasis of information required to be acquired by the flow adjustment objects with different features may be different, a plurality of different standardized flow adjustment templates are set according to different requirements, and the same standardized flow adjustment template may correspond to a flow adjustment object set with the same or similar features. Or, after the flow adjustment obtains the standardized flow adjustment template (the stored requirement information) of the associated flow adjustment object associated with the current flow adjustment object, the pre-stored standardized flow adjustment template corresponding to the current flow adjustment object can be updated according to the requirement information of the associated flow adjustment object, and the items are added or deleted. And the internal field information acquisition unit acquires the internal field flow modulation information according to the updated standardized flow modulation template. Therefore, the efficiency of on-site dispatching can be further improved, and the demand information of the target dispatching object can be more efficiently acquired.
The flow modulation information acquisition unit is provided with an internal field information acquisition unit, an external field information processing unit and an external field flow modulation management unit, the internal field information acquisition unit acquires internal field flow modulation information of a flow modulation object according to the standardized flow modulation template, the external field flow modulation management unit synchronously acquires the internal field flow modulation information, extracts key information based on the internal field flow modulation information, modulates the standardized flow modulation template, requires information from the key information and stores the required information into the standardized flow modulation template; the external field flow modulation management unit feeds back an external field flow modulation instruction to the internal field information acquisition unit based on the internal field flow modulation information and/or a standardized flow modulation template stored in the demand information, wherein the external field flow modulation instruction is used for the internal field information acquisition unit to supplement and acquire the internal field flow modulation information. According to the standardized on-site flow modulation acquisition and real-time studying and judging system, the influence of subjective judgment of on-site flow modulation personnel on the acquired intra-site flow modulation information is reduced by arranging the standardized flow modulation template; by arranging the external field information processing unit to process the internal field flow modulation information in real time instead of completely relying on the internal field information acquisition unit to acquire and process the information, the problems of incomplete information acquisition or high information processing error rate caused by too many tasks of on-site flow modulation personnel are avoided, and the on-site flow modulation personnel can concentrate on-site inquiry; by arranging the external field flow modulation management unit to synchronously acquire the internal field flow modulation information, monitor field inquiry, and feed back an external field flow modulation instruction to the internal field information acquisition unit based on the internal field flow modulation information and/or a standardized flow modulation template stored in demand information, the interaction between the internal field and the external field is realized, and the reliability of the information acquired by flow modulation and the professional dependence degree of the ratio of available information on internal field flow modulation personnel are reduced.
In an embodiment, the associated trace point is point location information within a limited time and a limited distance range of the trace point. And circularly comparing the track point with the track points of other medical records in the current database by setting the time range as T and the distance radius as R, determining the associated track points which appear in the same space range in the same time range, calculating the track intersection of the current flow adjusting object and other flow adjusting objects which have finished flow adjusting, and feeding back.
In one embodiment, the travel information includes time information and spatial information, and the travel information of the streamed objects is aggregated and displayed through a GIS technology. It should be noted that, for each travel record, at least a start point and an end point, a start time and an end time, and a contact person are required, wherein the start point and the end point may be the same point.
In another aspect, the present invention provides a GIS-based epidemiology traceability method, which comprises the following steps:
acquiring the travel information of the flow adjustment object;
acquiring a travel track point set comprising at least two track points according to the travel information, and establishing a mapping relation between a flow modulation object and the travel track point set;
storing the mapping relation;
acquiring a plurality of associated track points related to each track point according to the position information of each track point;
determining an associated travel track point set containing the associated track points according to the associated track points;
and determining the associated flow modulation object according to the associated travel track point set and the mapping relation stored in the storage module.
The source tracing method thoroughly subverts the original source tracing mode, the system displays the journey of the patient through the GIS geographic information technology, and visually displays the epidemic points and the epidemic areas which the patient passes through and tracks of other patients at the same position. The relevancy of the patient flow regulation report does not need to be manually compared to search, the leakage and error of manual search are avoided, and the judgment efficiency is improved. The method can prompt the tracing related information in the real-time flow adjusting process through the real-time studying and judging function, can directly investigate the patient heavily with the related information, improves the tracing accuracy and reduces the working pressure of the later tracing.
Further description of the invention:
the track real-time display function based on the GIS geographic information technology comprises the following steps: and starting real-time track analysis and study, inputting the key content of the flow modulation into the system, and when the travel information of the person to be flow modulated is input into the system, restoring and displaying the input travel information on a large screen in real time through a GIS technology by the system, and restoring the travel track of the object to be flow modulated. Meanwhile, the system can compare the information of each track point location of the current dispatched person with the track point locations of other persons in the system, analyze and calculate the track intersection of the patient and the other persons in real time and prompt the track intersection, detect the epidemic point information of the passing of the patient and the related information of the contact person, display the calculation result in real time and provide a basis for decision content. The outfield converts information such as places and personnel needing to be emphatically investigated into a stream dispatching instruction based on the prompted associated information, and pushes the stream dispatching instruction to the handheld terminal of the stream dispatching personnel in the inner field to guide the stream dispatching personnel in the inner field to emphatically investigate the spot.
After the on-site dispatching is finished, the system simultaneously backtracks the routes of a plurality of dispatched persons through a GIS technology, visually displays the routes on a map, simultaneously compares the information of each track point location of the current dispatched person with the track point locations of other persons in the system, finds out points within a certain distance range, calculates and obtains track intersections, gives out similar point location information for each track point, and gives obvious reminding to the point locations with more track intersections, so as to assist the staff in dispatching.
The application of the technology mainly comprises the following four scenes:
in one embodiment, the tracing method applied to a real-time streaming process includes the following steps:
acquiring travel information and a travel track point set of the flow adjustment object, and aggregating through a GIS technology;
giving a time interval t1 and a distance interval r1, calling associated track points in the storage module within the range of the time interval t1 and the distance interval r1 based on the time information and the space information of each track point, and determining track association;
determining personnel association based on the associated track points and the mapping relation stored in the storage module;
and giving a distance interval r2, calling epidemic point information in the storage module, comparing the epidemic point information with each track point of the flow modulation object to obtain an association distance, and determining the association of the epidemic points, wherein the association distance is within the range of the distance interval r 2.
And feeding back the integrated track association, personnel association and epidemic point association information in real time.
In the first use scenario, in the real-time flow adjustment process, when the travel information of a flow-adjusted person is input into the system, the system can compare the information of each track point location of the current flow-adjusted person with the track point locations of other persons in the system, calculate the track points related to the current flow-adjusted person, and analyze track association, epidemic point association and personnel association conditions. Wherein the track association is judged as: and (5) setting the time range as t and the distance radius as r, circularly comparing the trace points of other cases, and taking the trace points smaller than t and r as the trace associated points. And the epidemic point association is judged as: and (5) comparing all epidemic points in the track of the current case in the database, wherein the epidemic points are associated if the comparison distance is less than r. And the person associated with the track is the person association. Therefore, the epidemiology traceability system based on the GIS can perform real-time traceability in the process of dispatching, calculate the track intersection of the current dispatching object and other dispatching objects which finish dispatching and prompt, detect the epidemic point information of the current dispatching object passing through and contact the relevant information of personnel. The calculation result is displayed on the pc end of the field personnel in real time or on a large display screen for the field personnel, so that decision basis is provided for the background personnel. It should be noted that, in this scenario, the source tracing result is not synchronized to the infield terminal, and the terminal of the infield personnel does not display the study and judgment page, because the infield personnel should concentrate on the flow adjustment query, and cannot worry about viewing the study and judgment result again. The field personnel can convert the research and judgment result into a character command and send the command to the field, and the field can see the command character on the terminal. It should be noted that the specific numerical ranges of t1, r1, and r2 in this scenario are all determined according to the current epidemic prevention and control standard, epidemic propagation speed, infectivity, and other relevant information.
In one embodiment, the tracing method applied to the calculation of the track association process includes the following steps:
backtracking the acquired travel information through a GIS technology, setting a distance interval r3, acquiring a track intersection point within the distance interval r3 based on each track point, generating point position information of the track intersection point and calculating track intersection times;
and judging whether the track crossing times of the track crossing points are higher than a preset value or not, and feeding back the result to the real-time flow modulation process.
In the second use scenario, after the on-site dispatching is finished, the system backtracks the routes of a plurality of dispatched persons through a GIS technology, the dispatches are visually displayed on a map, simultaneously all point location information is compared, points within a certain distance range are found out through a preset distance range, track intersections are calculated and obtained, close point location information is given for each track point, obvious reminding is given to the point locations with more track intersections, and therefore the system assists workers in carrying out source tracing work. The correlation between the trajectories of the selected several cases is calculated. It should be noted that the specific numerical range of r3 in this scenario is determined according to the current epidemic prevention and control standard, the epidemic propagation speed, the infectivity, and other relevant information.
In one embodiment, the tracing method applied to the process of calculating the key point location information includes the following steps:
aggregating the acquired travel information and travel track points through a GIS technology;
acquiring a dangerous weight value of the point location according to a time interval between the time information of the track point and the attack time information;
and generating current risk area information through a thermodynamic diagram technology of the GIS based on the dangerous weight values of the track points.
The key point positions comprise epidemic areas, epidemic points and patient passing points.
And in the third use scene, after the dispatching is finished, the dispatched person is judged to pass through which key points (epidemic area, epidemic point and patient passing point). The system collects track points of all shunted people, analyzes the danger weight value of each point location, the danger weight value is obtained through calculation, the maximum value is 100, the attack time of a case is determined, a plurality of days are calculated forwards according to the attack time and are set as d, and the track point weight value within the previous d days is 100; the part exceeding d days is decreased in sequence according to the number of days, 10 is decreased every day, the weight value is not reduced after being decreased to 10, the weights of the still-stored track points are all 10, wherein d is obtained according to the current prevention and control rule; the weight values of the track points after disease occurrence are all 100. And aggregating all the point positions, and calculating and forming current all-risk area information through thermodynamic diagram technology in the GIS. On the basis, the person to be dispatched who wants to inquire can be selected, the track of the person to be dispatched is overlaid and displayed on the thermodynamic diagram, the track points can be intuitively found to be crossed with the risk areas, and therefore the possible infection source of the person can be judged.
In one embodiment, the tracing method applied to the process of calculating the propagation interpersonal relationship comprises the following steps:
aggregating the acquired travel information and travel track points through a GIS technology;
giving a time interval t4 and a distance interval r4, and calling associated track points in the storage module within the range of the time interval t4 and the distance interval r4 based on the time information and the space information of each track point;
and arranging the associated track points according to the time information sequence to generate a propagation chain.
In a fourth usage scenario, the system may contact the person based on GIS geographic information technology with all patient travel information including start time and end time of the travel, location (one or two, two start and end), and contact location. Through the relation of time and space points, the relevance and contact history of each person are calculated and analyzed, possible infection sources are analyzed and judged, and the transmission interpersonal relation among patients is automatically generated. And determining the associated persons and the associated track points through judgment on time and distance, and arranging the tracks of the cases according to time, wherein the tracks, such as the time and the place of the first contact between the case I and the case II, can be the propagation points of the case I and the case II. Each case calculates possible propagation points with other cases, forming a chain in time, forming a redundant chain of propagation. It should be noted that, the specific numerical ranges of t4 and r4 in this scenario are determined according to the current epidemic situation prevention and control standard, the epidemic situation propagation speed, infectivity and other relevant information.
Based on the technical scheme, the track information of the flow adjustment object is displayed in real time based on the GIS geographic information technology, and the travel track of the flow adjustment object is restored. Meanwhile, the system can compare the information of each track point location of the current dispatched person with the track point locations of other persons in the system, analyze and calculate the track intersection of the patient and the other persons in real time and prompt the user, and detect the epidemic point information of the patient passing by and the related information of the contact persons. And the result is fed back in time to provide basis for decision making. The dispatching personnel can directly convert information such as places and personnel needing to be emphatically investigated into instructions based on the prompted associated information and transmit the instructions to the dispatching personnel.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An epidemiology traceability system based on GIS geographic information technology is characterized by comprising:
the system comprises a flow modulation information acquisition unit, a flow modulation information processing unit and a flow modulation information processing unit, wherein the flow modulation information acquisition unit is used for acquiring the travel information of a flow modulation object;
the information processing unit is used for acquiring a travel track point set comprising at least two track points according to the travel information and establishing a mapping relation between the flow modulation object and the travel track point set;
the storage module is used for storing the mapping relation;
and the data analysis module is used for acquiring a plurality of associated track points related to the track points according to the position information of each track point, determining an associated travel track point set containing the associated track points according to the associated track points, and determining an associated flow modulation object according to the associated travel track point set and the mapping relation stored in the storage module.
2. The epidemiology traceability system based on GIS geographic information technology as claimed in claim 1, wherein the flow information acquisition unit comprises an interior field information acquisition unit and an exterior field flow management unit;
the system comprises an infield information acquisition unit, a server and a data processing unit, wherein the infield information acquisition unit is used for acquiring infield flow modulation information of a flow modulation object according to a pre-stored standardized flow modulation template and uploading the infield flow modulation information to the server;
the external field flow modulation management unit is used for synchronously acquiring the internal field flow modulation information from the server, processing the internal field flow modulation information and extracting the travel information; the external field flow modulation management unit is used for feeding back an external field flow modulation instruction to the internal field information acquisition unit based on the internal field flow modulation information and the extracted travel information, and the external field flow modulation instruction is used for the internal field information acquisition unit to supplement and acquire the internal field flow modulation information.
3. The GIS geographic information technology-based epidemiological traceability system of claim 2, wherein the interior scene flow information comprises one or more of voice information, image information and text information.
4. The epidemiology traceability system based on GIS geographic information technology as claimed in claim 1, wherein the associated track points are point location information within a limited time and a limited distance range of the track points.
5. The epidemiology traceability system based on GIS geographic information technology as claimed in claim 1, wherein the journey information comprises time information and space information, and the journey information of the dispatching object is aggregated and displayed by GIS technology.
6. An epidemiology tracing method based on a GIS geographic information technology is characterized by comprising the following steps:
acquiring the travel information of the flow adjustment object;
acquiring a travel track point set comprising at least two track points according to the travel information, and establishing a mapping relation between a flow modulation object and the travel track point set;
storing the mapping relation;
acquiring a plurality of associated track points related to each track point according to the position information of each track point;
determining an associated travel track point set containing the associated track points according to the associated track points;
and determining the associated flow modulation object according to the associated travel track point set and the mapping relation stored in the storage module.
7. The epidemiological tracing method based on the GIS geographic information technology according to claim 6, applied to the real-time flow regulation process, comprising the following steps:
acquiring travel information and a travel track point set of the flow adjustment object, and aggregating through a GIS technology;
giving a time interval t1 and a distance interval r1, calling associated track points in the storage module within the range of the time interval t1 and the distance interval r1 based on the time information and the space information of each track point, and determining track association;
determining personnel association based on the associated track points and the mapping relation stored in the storage module;
giving a distance interval r2, calling epidemic point information in the storage module, comparing the epidemic point information with each track point of the flow modulation object to obtain an association distance, wherein the association distance is within the range of the distance interval r2, and determining the association of the epidemic points;
and feeding back the integrated track association, personnel association and epidemic point association information in real time.
8. The epidemiological tracing method based on the GIS geographic information technology according to claim 6, applied to the calculation of the track association process, comprises the following steps:
backtracking the acquired travel information through a GIS technology, setting a distance interval r3, acquiring a track intersection point within the distance interval r3 based on each track point, generating point position information of the track intersection point and calculating track intersection times;
and judging whether the track crossing times of the track crossing points are higher than a preset value or not, and feeding back the result to the real-time flow modulation process.
9. The epidemiology tracing method based on GIS geographic information technology according to claim 6, wherein the epidemiology tracing method applied to the process of calculating the key point location information comprises the following steps:
aggregating the acquired travel information and travel track points through a GIS technology;
acquiring a dangerous weight value of the point location according to a time interval between the time information of the track point and the attack time information;
and generating current risk area information through a thermodynamic diagram technology of the GIS based on the dangerous weight values of the track points.
10. The epidemiological tracing method based on the GIS geographic information technology as claimed in claim 6, applied to the process of calculating the propagation interpersonal relationship, comprises the following steps:
aggregating the acquired travel information and travel track points through a GIS technology;
giving a time interval t4 and a distance interval r4, and calling associated track points in the storage module within the range of the time interval t4 and the distance interval r4 based on the time information and the space information of each track point;
and arranging the associated track points according to the time information sequence to generate a propagation chain.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114693279A (en) * | 2022-05-30 | 2022-07-01 | 八爪鱼人工智能科技(常熟)有限公司 | Information management method and digital equipment applied to epidemic situation prevention and control |
| CN114883012A (en) * | 2022-05-05 | 2022-08-09 | 医渡云（北京）技术有限公司 | Infectious disease tracing method, device, medium and equipment based on space-time trajectory |
| CN118098625A (en) * | 2023-12-08 | 2024-05-28 | 常熟市疾病预防控制中心 | Intelligent medical monitoring and early warning method and system based on disease diagnosis data |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589875A (en) * | 2014-10-22 | 2016-05-18 | 方正国际软件(北京)有限公司 | Multi-trajectory drawing method and device |
-
2021
- 2021-09-27 CN CN202111137913.4A patent/CN113823418A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589875A (en) * | 2014-10-22 | 2016-05-18 | 方正国际软件(北京)有限公司 | Multi-trajectory drawing method and device |
Non-Patent Citations (3)
| Title |
|---|
| 任宏等: "智能手机信息采集技术在现场流行病学调查中的应用", 《上海预防医学杂志》, vol. 23, no. 1, 20 January 2011 (2011-01-20), pages 4 - 6 * |
| 李德仁;邵振峰;于文博;朱欣焰;周素红;: "基于时空位置大数据的公共疫情防控服务让城市更智慧", 武汉大学学报(信息科学版), no. 04, 13 April 2020 (2020-04-13), pages 475 - 487 * |
| 石晶等: "北京市某区疾病预防控制数字化流行病学调查的研究", 《河北医科大学学报》, vol. 34, no. 4, 30 April 2013 (2013-04-30), pages 421 - 424 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883012A (en) * | 2022-05-05 | 2022-08-09 | 医渡云（北京）技术有限公司 | Infectious disease tracing method, device, medium and equipment based on space-time trajectory |
| CN114693279A (en) * | 2022-05-30 | 2022-07-01 | 八爪鱼人工智能科技(常熟)有限公司 | Information management method and digital equipment applied to epidemic situation prevention and control |
| CN118098625A (en) * | 2023-12-08 | 2024-05-28 | 常熟市疾病预防控制中心 | Intelligent medical monitoring and early warning method and system based on disease diagnosis data |
| CN118098625B (en) * | 2023-12-08 | 2024-08-09 | 常熟市疾病预防控制中心 | Intelligent medical monitoring and early warning method and system based on disease diagnosis data |
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