CN113593103B - Intelligent community access control intelligent management system based on face recognition - Google Patents
Intelligent community access control intelligent management system based on face recognition Download PDFInfo
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Abstract
The invention discloses an intelligent community access control intelligent management system based on face recognition, which comprises a community building normal-living user statistics module, a building unit door access control setting module, a building unit door access face recognition module, a building unit door access control management terminal, a building unit door exit face recognition module, a building unit door exit access control management terminal, an external visitor visiting record generation module and a building visitor management center.
Description
Technical Field
The invention belongs to the technical field of community access control management, and particularly relates to an intelligent community access control management system based on face recognition.
Background
With the development of the economy of China, the living standard of people is gradually improved, the safety of living environment becomes the primary choice of living of owners, and an access control system in a community plays a quite important role in the community, and is related to the personal and property safety of residents in the whole community. In order to more efficiently and reliably carry out community access control, the access control of a plurality of communities adopts a face recognition mode to replace the traditional access card mode, so that the change greatly facilitates the management of entering and exiting communities of residents and foreign visitors, and guarantees the safety of entering and exiting communities.
However, most of face recognition access control applications in communities are in community gate entrances and exits at present, and an original access control card mode is adopted for access control of building unit gates, and the mode has the following defects:
1. for a building normally-living user, the access card needs to be carried about by the building unit door, and the situation that the access card is forgotten is likely to occur, so that inconvenience is brought to the normally-living user for accessing the unit door;
2. for the foreign visitor, whether the corresponding visiting building number in the foreign visitor personnel registration information registered by the community entrance corresponds to the actual visiting building number of the foreign visitor entering the community or not is not recognized in the entrance guard management mode of the current building unit door, so that the situation that the foreign visitor possibly enters other buildings along with other resident users carrying entrance guard cards can occur, and potential safety hazards are brought to other buildings;
3. for the internal visitor, the access control mode of the current building unit door cannot identify the internal visitor because the internal visitor belongs to a resident user in the community, so that the internal visitor can freely enter and exit other buildings along with other resident users carrying access control cards under the condition of no visiting requirement.
In summary, the prior entrance guard management mode of the community building unit door is not convenient enough, and the safety degree is not enough, so that all the hidden danger of going in and going out of the building can not be checked, and the intelligent entrance guard management requirement of a user on the community building unit door is difficult to meet.
Disclosure of Invention
In order to solve the technical problems, the invention is realized by the following technical scheme:
an intelligent community access control intelligent management system based on face recognition comprises a community building frequent user statistics module, a building unit door access control setting module, a building unit door access face recognition module, a building unit door access control management terminal, a building unit door exit face recognition module, a building unit door exit access control management terminal, an external visitor visit record generation module and a building visitor management center;
the community building normal-living user statistics module is used for counting all normal-living users corresponding to each building in a community, collecting basic information corresponding to each normal-living user, and constructing the basic information into a building normal-living user basic information base;
the building unit entrance guard setting module is used for setting face recognition entrance guard equipment at the entrance and the exit of each building unit door;
the building unit door entrance face recognition module is used for opening a face recognition entrance guard machine of the building unit door entrance when a human body infrared sensor in the corresponding face recognition entrance guard equipment of the building unit door entrance senses that a human body appears at the building unit door entrance, and carrying out face recognition on personnel appearing at the building unit door entrance;
the entrance access control terminal of the building unit door is used for performing access control on personnel at the entrance of the building unit door according to the face recognition result of the personnel, wherein the entrance access control terminal of the building unit door comprises a building unit door opening judging module and a building elevator advance reservation analysis module;
the building unit door opening judging module is used for judging whether the building unit door is opened or not according to the face recognition result of the entrance personnel of the building unit door;
the building elevator advance reservation analysis module is used for analyzing whether the building elevator needs advance reservation or not when the judging result is that the building unit door is opened;
the building unit door outlet face recognition module is used for opening a face recognition entrance guard machine of the building unit door outlet to recognize the face of a person appearing at the building unit door outlet when a human body infrared sensor in the corresponding face recognition entrance guard equipment of the building unit door outlet senses that the building unit door outlet appears a human body;
the building unit door exit access control terminal is used for acquiring the face recognition result of a building unit door exit person, and recording the departure time point of the foreign visitor when the face recognition result of the person is the foreign visitor;
the foreign visitor visit record generation module is used for counting the foreign visitor information of each building visited every day and generating a corresponding daily foreign visitor visit record of each building;
the building visitor management center is used for carrying out security analysis on the visit records of the external visitors of each building according to the set management time stage, evaluating the access security coefficient of each building in the corresponding management time stage and sending the access security coefficient to the community security center.
Based on the improved technical scheme, the basic information comprises a name, a resident room number and a face image.
Based on the improved technical scheme, the face recognition access control equipment comprises a face recognition access control machine, a human body infrared sensor and a voice prompt.
Based on the improved technical scheme, the specific recognition mode for recognizing the face of the person at the entrance of the building unit door is that the face image of the person at the entrance of the building unit door is acquired through a face recognition access control machine, and the acquired face image is compared with the face images corresponding to all the normal users in the basic information base of the normal users of the building.
Based on the improved technical scheme, the specific judging process for judging whether the building unit door is opened or not executes the following steps:
s1, if the face recognition of a person at the entrance of a building unit door is successful, indicating that the person is a resident person corresponding to the building, and automatically opening the building unit door at the moment;
s2, if the face recognition of the person at the entrance of the building unit door fails, comparing the face image of the person with face images corresponding to all resident users in a basic information base of other building resident users in the community, if the comparison fails, indicating that the person is an external visitor, executing a step S3, if the comparison is successful, indicating that the person is a resident user of other building in the community, belonging to an internal visitor, starting a voice prompt device to send a voice command for inputting names and resident room numbers of the resident users to be visited to the current person on a face recognition entrance guard machine, and after the person finishes inputting on the face recognition entrance guard machine, checking the input information by a system background, if the checking is successful, automatically opening the building unit door, and if the checking is failed, not opening the building unit door;
and S3, transmitting the face image of the person and the community entrance security management center to the face image of the visitor outside the current day in the registration information of the visitor person, if the matching is successful, indicating that the person is the visitor corresponding to the building, automatically opening a building unit door, simultaneously recording a successful matching time point as an entry time point corresponding to the visitor, and if the matching is failed, indicating that the person is not the visitor corresponding to the building, and not opening the building unit door.
Based on the improved technical scheme, in the step S3, when the person is judged not to be a corresponding foreign visitor of the building, the patrol security personnel closest to the building are acquired by taking the building as the center, and an early warning notice is sent to the patrol security personnel.
Based on the improved technical scheme, the specific analysis method for analyzing whether the building elevator needs to be reserved in advance is as follows:
h1, if the person is a resident user corresponding to the building, extracting the resident number of the person from a basic information base of the resident user of the building;
h2, screening floor numbers from the extracted room numbers, judging whether the screened floor numbers are one floor, if so, not reserving an elevator in advance, and if not, reserving the elevator while opening a door of a building unit;
if the person is an internal visitor corresponding to the building, extracting a house number of a resident user which needs to be visited and is input by the person on a face recognition access control machine, and further carrying out elevator reservation analysis in advance according to the method of the step H2;
and H4, if the person is a foreign visitor corresponding to the building, extracting the resident number of the resident user corresponding to the person needing to visit from the registration information of the foreign visitor of the building, and further carrying out elevator reservation analysis in advance according to the method of the step H2.
Based on the improved technical scheme, the specific recognition mode of the building unit door exit face recognition module for recognizing the face of the person at the building unit door exit is that the face image of the person at the building unit door exit is acquired through the face recognition access control machine, and then the acquired face image is respectively compared with the face image corresponding to all the normal residents in the basic information base of the normal residents of each building in the community and the face image of the visitor outside the building in the registration information of the visitor outside the building.
Based on the improved technical scheme, the external visitor information comprises an external visitor face image, an external visitor entering time point and an external visitor leaving time point.
Based on the improved technical scheme, the evaluation method of the access safety coefficient of each building in the corresponding management time stage comprises the following steps:
r1, numbering all buildings in the community according to corresponding marks, and orderly marking the buildings as 1,2, & gt, i, & gt, n;
counting the number of the corresponding external visitor visit records of each building in the corresponding management time period, numbering each external visitor visit record according to the sequence of the external visitor visit points, and marking the external visitor visit records as 1, 2.
R3, subtracting the external visitor entering time point from the external visitor leaving time point in each external visitor visiting record to obtain the visiting time length corresponding to each external visitor visiting record, and further forming a visiting time length set T of each building external visitor visiting time length corresponding to each external visitor visiting record in the corresponding management time period i (t i 1,t i 2,...,t i j,...,t i m),t i j is expressed as the visit duration corresponding to the visit record of the j external visitor corresponding to the ith building in the corresponding management time stage;
r4, evaluating the access safety coefficient of each building in the corresponding management time stage according to the visit duration set of the external visitor of each building and the corresponding visit record quantity of the external visitor of each building, wherein the evaluation and calculation formula is as follows
The access safety coefficient, k, of the ith building in the corresponding management time stage is expressed as i And the number of the foreign visitor visit records corresponding to the ith building is represented.
The beneficial effects of the invention are as follows:
(1) According to the invention, the entrance of each building unit door in a community is provided with a face recognition entrance guard facility, the entrance guard management of the building unit door is carried out in a face recognition mode, when the face recognition result of the current person is a normally-resident user corresponding to the building, the building unit door is opened, when the face recognition result of the current person is an internal visitor, the normally-resident user name and the resident number which are input by the internal visitor and need to be visited are checked, when the check is successful, the building unit door is opened, when the face recognition result of the current person is an external visitor corresponding to the building, the building unit door is opened, and when the check is failed or the person is not the external visitor corresponding to the building, the building unit door is not opened, so that the intelligent entrance guard management of the community building unit door is realized, the entrance guard management of the normally-resident user is more convenient, the entrance inconvenience problem of the normally-resident user caused by forgetting to take an entrance guard is greatly avoided, the entrance guard safety of the normally-resident user corresponding to the building is effectively checked, and the safety hazards of the resident corresponding to the building are guaranteed for the corresponding to the building user.
(2) According to the invention, the face recognition access control and the elevator reservation analysis module are combined together, when the person entering the entrance of the current building unit door is judged to belong to the person capable of entering the building, whether the elevator needs to be reserved in advance or not is analyzed, and when the analysis result is that the elevator needs to be reserved in advance, the elevator reservation is carried out while the building unit door is opened, compared with the mode that the person presses an elevator up button after the person arrives at the elevator entrance, the method of reserved in advance reduces the waiting time of the person for the elevator to a certain extent, expands the community building unit door access control management category, has stronger practicability, and is beneficial to improving the access control experience of users.
(3) According to the invention, the security analysis is carried out on the visit records of the external visitors of each building by setting the management time stage, so that the access security coefficient of each building in the corresponding management time stage is evaluated, the external visitor access control management of the community building unit door is not only embodied in daily actual management work, but also can be quantitatively displayed in stages, the security personnel of the community can intuitively know the external visitor access security condition of each building, and a reliable reference basis is provided for the external visitor access management of the corresponding building in the later stage.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
FIG. 1 is a schematic diagram of a modular connection according to the present invention;
fig. 2 is a schematic diagram of connection of entrance guard management terminals of entrance of a building unit door according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the intelligent community access control management system based on face recognition comprises a community building frequent user statistics module, a building unit door access control setting module, a building unit door access face recognition module, a building unit door access control management terminal, a building unit door exit face recognition module, a building unit door exit access control management terminal, an external visitor visit record generation module and a building visitor management center.
The community building normal residence user statistics module and the building unit door access control setting module are connected with the building unit door entrance face recognition module and the building unit door exit face recognition module, the building unit door entrance face recognition module is connected with the building unit door entrance access control management terminal, the building unit door exit face recognition module is connected with the building unit door exit access control management terminal, the building unit door entrance access control management terminal and the building unit door exit access control management terminal are connected with the foreign visitor visit record generation module, and the foreign visitor visit record generation module is connected with the building visitor management center.
The community building normal-living user statistics module is used for counting all normal-living users corresponding to each building in a community, and collecting basic information corresponding to each normal-living user, wherein the basic information comprises names, living room numbers and face images, and the basic information is constructed into a building normal-living user basic information base.
The building unit entrance guard setting module is used for setting face recognition entrance guard equipment at the entrance and the exit of each building unit door, the face recognition entrance guard equipment comprises a face recognition entrance guard machine, a human body infrared sensor and a voice prompt, wherein the face recognition entrance guard machine is used for recognizing the face of people entering and exiting the building unit door, the human body infrared sensor is used for sensing the people appearing at the entrance and the exit of the building unit door, and the voice prompt is used for sending voice prompt information.
The building unit door entrance face recognition module is used for opening a face recognition entrance guard machine of the building unit door entrance to recognize the face of a person appearing at the building unit door entrance when a human body infrared sensor in the building unit door entrance corresponding face recognition entrance guard equipment senses that the building unit door entrance appears, and specifically recognizing the person appearing at the building unit door entrance in a manner that the face recognition entrance guard machine is used for collecting face images of the person appearing at the building unit door entrance and comparing the collected face images with face images corresponding to all resident users in a basic information base of the building resident users.
The human infrared sensor is arranged in the human face identification access control equipment, so that the human face identification access control machine can start to work only when the human body infrared sensor senses a human body, and equipment resource waste caused by the fact that the human face identification access control machine still works under the condition that no person exists at a gateway of a building unit door is avoided.
Referring to fig. 2, the access control terminal for entrance of the building unit door is used for performing access control on a person at the entrance of the building unit door according to the face recognition result of the person, wherein the access control terminal for entrance of the building unit door comprises a building unit door opening judging module and a building elevator advance reservation analysis module.
The building unit door opening judging module is used for judging whether the building unit door is opened or not according to the face recognition result of the entrance personnel of the building unit door, and the specific judging process comprises the following steps:
s1, if the face recognition of a person at the entrance of a building unit door is successful, indicating that the person is a resident person corresponding to the building, and automatically opening the building unit door at the moment;
s2, if face recognition of a person at an entrance of a building unit door fails, comparing the face image of the person with face images corresponding to all resident users in a basic information base of other buildings in a community, if the comparison fails, indicating that the person is an external visitor, executing a step S3, if the comparison is successful, indicating that the person is a resident user of other buildings in the community, belonging to an internal visitor, starting a voice prompt device to send a voice command for inputting names and resident numbers of the resident users needing to be visited to the current person on a face recognition entrance guard machine, when the person is input on the face recognition entrance guard machine, checking the names and resident numbers of the resident users needing to be visited and the resident names corresponding to all resident users in the basic information base of the building by a system back desk, if the names and the resident numbers of the resident users needing to be visited and the resident names corresponding to the resident users in the basic information base of the building at the moment are consistent, and if the names and the resident names of the resident users needing to be visited and the resident names of the resident users in the resident users are consistent, opening a building unit, and if the names and the resident names of the resident users of the building are not consistent, opening a building unit;
s3, transmitting the face image of the person and the community entrance security management center to the face image of the foreign visitor in the registration information of the personnel of the current day of the building, if the matching is successful, indicating that the personnel is the foreign visitor corresponding to the building, at the moment, automatically opening a building unit door, simultaneously recording a successful matching time point as an entry time point corresponding to the foreign visitor, if the matching is failed, indicating that the personnel is not the foreign visitor corresponding to the building, not opening the building unit door, simultaneously taking the building as the center, acquiring the patrol security personnel closest to the building, and sending an early warning notice to the patrol security personnel, wherein the early warning notice comprises the building number and the face image of the personnel.
The foreign visitor registration information mentioned in the embodiment is that the community entrance security management center registers the foreign visitor entering the community on the same day to obtain registration information corresponding to each foreign visitor, and further extracts the visiting building number from the registration information, so that the visiting building numbers corresponding to each foreign visitor on the same day are compared with each other, the foreign visitor registration information corresponding to the same visiting building number is classified to obtain the foreign visitor registration information corresponding to each building on the same day, and the foreign visitor registration information is sent to the face recognition access control machine corresponding to the building, wherein the foreign visitor registration information comprises the face image of the foreign visitor, the visiting building number and the house number of the visiting frequent user.
According to the embodiment, the face images corresponding to the persons not belonging to the building corresponding to the external visitor are transmitted to the community patrol security personnel, and the patrol security personnel conduct timely targeted processing, so that the situation that the external visitor not belonging to the building corresponding to the building enters the building is effectively avoided.
According to the embodiment, the face recognition entrance guard facility is arranged at the entrance of each building unit door in the community, the entrance guard management of the building unit door is carried out in a face recognition mode, when the face recognition result of the current person is a resident user corresponding to the building, the building unit door is opened, when the face recognition result of the current person is an internal visitor, the resident user name and the resident number which are input by the internal visitor and need to be visited are checked, after the check is successful, the building unit door is opened, when the face recognition result of the current person is an external visitor corresponding to the building, the building unit door is opened, and when the check is failed or the person is not the external visitor corresponding to the building, the building unit door is not opened, so that the intelligent entrance guard management of the community building unit door is realized, the entrance guard of the resident user is more convenient, the entrance inconvenience caused by the fact that the resident user forgets to take an entrance guard is avoided greatly, the entrance guard safety hazards of the resident corresponding to the internal visitor and the external visitor are effectively checked, and the resident safety hazards of the corresponding to the building are enhanced for the corresponding to the user of the building are guaranteed.
The advanced reservation analysis module of the building elevator is used for analyzing whether the building elevator needs advanced reservation or not when the judging result is that the building unit door is opened, and the specific analysis method is as follows:
h1, if the person is a resident user corresponding to the building, extracting the resident number of the person from a basic information base of the resident user of the building;
h2, screening floor numbers from the extracted room numbers, judging whether the screened floor numbers are one floor, if so, not reserving an elevator in advance, and if not, reserving the elevator while opening a door of a building unit;
if the person is an internal visitor corresponding to the building, extracting a house number of a resident user which needs to be visited and is input by the person on a face recognition access control machine, and further carrying out elevator reservation analysis in advance according to the method of the step H2;
and H4, if the person is a foreign visitor corresponding to the building, extracting the resident number of the resident user corresponding to the person needing to visit from the registration information of the foreign visitor of the building, and further carrying out elevator reservation analysis in advance according to the method of the step H2.
The advance reservation of the elevator proposed in the present embodiment means that the up button is automatically pressed to the elevator.
According to the embodiment, the face recognition access control and the elevator reservation analysis module are combined, when the fact that the person entering the entrance of the current building unit door belongs to the person capable of entering the building is judged, whether the elevator needs to be reserved in advance is analyzed, and further when the analysis result is that the elevator needs to be reserved in advance, the elevator reservation is conducted when the building unit door is opened, compared with the fact that the person presses an elevator ascending button after the person arrives at the elevator entrance, the method of reserved in advance reduces the waiting time of the person for the elevator to a certain extent, the scope of community building unit door access control management is expanded, the practicability is high, and the user access control experience is improved.
The building unit door outlet face recognition module is used for opening a face recognition entrance guard machine of the building unit door outlet to recognize the face of a person appearing at the building unit door outlet when a human body infrared sensor in the building unit door outlet corresponding face recognition entrance guard equipment senses that the building unit door outlet appears, and particularly recognizing the person appearing at the building unit door outlet.
The purpose of setting the face recognition of the exit of the building unit door in the embodiment is to obtain the departure time point corresponding to the external visitor.
The building unit door exit entrance guard management terminal is used for obtaining the face recognition result of the building unit door exit personnel, when the face recognition result of the personnel is an external visitor, the recognition time point is used as the departure time point of the external visitor corresponding to the departure from the building, and the departure time point of the external visitor is recorded.
The foreign visitor visit record generation module is used for counting the foreign visitor information of each building visited every day, wherein the foreign visitor information comprises a foreign visitor face image, a foreign visitor entering time point and a foreign visitor leaving time point, and generating the foreign visitor visit record of each building corresponding to each day.
The building visitor management center is used for carrying out security analysis on the visit records of the external visitor of each building according to the set management time stage, and evaluating the access security coefficient of each building in the corresponding management time stage, and the specific evaluation method is as follows:
r1, numbering all buildings in the community according to corresponding marks, and orderly marking the buildings as 1,2, & gt, i, & gt, n;
counting the number of the corresponding external visitor visit records of each building in the corresponding management time period, numbering each external visitor visit record according to the sequence of the external visitor visit points, and marking the external visitor visit records as 1, 2.
R3, subtracting the external visitor entering time point from the external visitor leaving time point in each external visitor visiting record to obtain the visiting time length corresponding to each external visitor visiting record, and further forming a visiting time length set T of each building external visitor visiting time length corresponding to each external visitor visiting record in the corresponding management time period i (t i 1,t i 2,...,t i j,...,t i m),t i j is expressed as that the ith building corresponds to the jth external visitor visit record corresponding to the corresponding management time periodIs a visit duration of (a);
r4, evaluating the access safety coefficient of each building in the corresponding management time stage according to the visit duration set of the external visitor of each building and the corresponding visit record quantity of the external visitor of each building, wherein the evaluation and calculation formula is as follows
The access safety coefficient, k, of the ith building in the corresponding management time stage is expressed as i And the number of the visit records of the external visitor corresponding to the ith building is expressed, and the visit records are sent to a community security center.
According to the invention, the security analysis is carried out on the visit records of the external visitors of each building by setting the management time stage, so that the access security coefficient of each building in the corresponding management time stage is evaluated, the external visitor access control management of the community building unit door is not only embodied in daily actual management work, but also can be quantitatively displayed in stages, the security personnel of the community can intuitively know the external visitor access security condition of each building, and a reliable reference basis is provided for the external visitor access management of the corresponding building in the later stage.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.
Claims (9)
1. Intelligent community entrance guard intelligent management system based on face identification, characterized in that: the system comprises a community building frequent resident user statistics module, a building unit door access control setting module, a building unit door entrance face recognition module, a building unit door entrance access control management terminal, a building unit door exit face recognition module, a building unit door exit access control management terminal, an external visitor visit record generation module and a building visitor management center;
the community building normal-living user statistics module is used for counting all normal-living users corresponding to each building in a community, collecting basic information corresponding to each normal-living user, and constructing the basic information into a building normal-living user basic information base;
the building unit entrance guard setting module is used for setting face recognition entrance guard equipment at the entrance and the exit of each building unit door;
the building unit door entrance face recognition module is used for opening a face recognition entrance guard machine of the building unit door entrance when a human body infrared sensor in the corresponding face recognition entrance guard equipment of the building unit door entrance senses that a human body appears at the building unit door entrance, and carrying out face recognition on personnel appearing at the building unit door entrance;
the entrance access control terminal of the building unit door is used for performing access control on personnel at the entrance of the building unit door according to the face recognition result of the personnel, wherein the entrance access control terminal of the building unit door comprises a building unit door opening judging module and a building elevator advance reservation analysis module;
the building unit door opening judging module is used for judging whether the building unit door is opened or not according to the face recognition result of the entrance personnel of the building unit door;
the building elevator advance reservation analysis module is used for analyzing whether the building elevator needs advance reservation or not when the judging result is that the building unit door is opened;
the building unit door outlet face recognition module is used for opening a face recognition entrance guard machine of the building unit door outlet to recognize the face of a person appearing at the building unit door outlet when a human body infrared sensor in the corresponding face recognition entrance guard equipment of the building unit door outlet senses that the building unit door outlet appears a human body;
the building unit door exit access control terminal is used for acquiring the face recognition result of a building unit door exit person, and recording the departure time point of the foreign visitor when the face recognition result of the person is the foreign visitor;
the foreign visitor visit record generation module is used for counting the foreign visitor information of each building visited every day and generating a corresponding daily foreign visitor visit record of each building;
the building visitor management center is used for carrying out security analysis on the visit records of external visitors of each building according to the set management time stage, evaluating the access security coefficient of each building in the corresponding management time stage and sending the access security coefficient to the community security center;
the evaluation method of the access safety coefficient of each building in the corresponding management time stage comprises the following steps:
r1, numbering all buildings in the community according to corresponding marks, and orderly marking the buildings as 1,2, & gt, i, & gt, n;
counting the number of the corresponding external visitor visit records of each building in the corresponding management time period, numbering each external visitor visit record according to the sequence of the external visitor visit points, and marking the external visitor visit records as 1, 2.
R3, subtracting the external visitor entering time point from the external visitor leaving time point in each external visitor visiting record to obtain the visiting time length corresponding to each external visitor visiting record, and further forming a visiting time length set T of each building external visitor visiting time length corresponding to each external visitor visiting record in the corresponding management time period i (t i 1,t i 2,…,t i j,...,t i m),t i j is expressed as the visit duration corresponding to the visit record of the j external visitor corresponding to the ith building in the corresponding management time stage;
r4, evaluating the access safety coefficient of each building in the corresponding management time stage according to the visit duration set of the external visitor of each building and the corresponding visit record quantity of the external visitor of each building, wherein the evaluation and calculation formula is as follows
The access safety coefficient, k, of the ith building in the corresponding management time stage is expressed as i And the number of the foreign visitor visit records corresponding to the ith building is represented.
2. The intelligent community access control management system based on face recognition according to claim 1, wherein: the basic information includes a name, a resident house number, and a face image.
3. The intelligent community access control management system based on face recognition according to claim 1, wherein: the face recognition access control equipment comprises a face recognition access control machine, a human body infrared sensor and a voice prompt.
4. The intelligent community access control management system based on face recognition according to claim 1, wherein: the specific recognition mode for the face recognition of the people appearing at the entrance of the building unit door is that face image acquisition is carried out on the people appearing at the entrance of the building unit door through a face recognition access control machine, and the acquired face image is compared with face images corresponding to all resident users in a basic information base of the building resident users.
5. The intelligent community access control management system based on face recognition according to claim 1, wherein: the specific judging process for judging whether the building unit door is opened or not executes the following steps:
s1, if the face recognition of a person at the entrance of a building unit door is successful, indicating that the person is a resident person corresponding to the building, and automatically opening the building unit door at the moment;
s2, if the face recognition of the person at the entrance of the building unit door fails, comparing the face image of the person with face images corresponding to all resident users in a basic information base of other building resident users in the community, if the comparison fails, indicating that the person is an external visitor, executing a step S3, if the comparison is successful, indicating that the person is a resident user of other building in the community, belonging to an internal visitor, starting a voice prompt device to send a voice command for inputting names and resident room numbers of the resident users to be visited to the current person on a face recognition entrance guard machine, and after the person finishes inputting on the face recognition entrance guard machine, checking the input information by a system background, if the checking is successful, automatically opening the building unit door, and if the checking is failed, not opening the building unit door;
and S3, transmitting the face image of the person and the community entrance security management center to the face image of the visitor outside the current day in the registration information of the visitor person, if the matching is successful, indicating that the person is the visitor corresponding to the building, automatically opening a building unit door, simultaneously recording a successful matching time point as an entry time point corresponding to the visitor, and if the matching is failed, indicating that the person is not the visitor corresponding to the building, and not opening the building unit door.
6. The intelligent community access control system based on face recognition according to claim 5, wherein: and in the step S3, when judging that the person is not a corresponding foreign visitor of the building, taking the building as a center, acquiring a patrol security personnel nearest to the building, and sending an early warning notice to the patrol security personnel.
7. The intelligent community access control management system based on face recognition according to claim 1, wherein: the specific analysis method for analyzing whether the building elevator needs to be reserved in advance is as follows:
h1, if the person is a resident user corresponding to the building, extracting the resident number of the person from a basic information base of the resident user of the building;
h2, screening floor numbers from the extracted room numbers, judging whether the screened floor numbers are one floor, if so, not reserving an elevator in advance, and if not, reserving the elevator while opening a door of a building unit;
if the person is an internal visitor corresponding to the building, extracting a house number of a resident user which needs to be visited and is input by the person on a face recognition access control machine, and further carrying out elevator reservation analysis in advance according to the method of the step H2;
and H4, if the person is a foreign visitor corresponding to the building, extracting the resident number of the resident user corresponding to the person needing to visit from the registration information of the foreign visitor of the building, and further carrying out elevator reservation analysis in advance according to the method of the step H2.
8. The intelligent community access control management system based on face recognition according to claim 1, wherein: the specific recognition mode of the building unit door exit face recognition module for recognizing the face of the person at the building unit door exit is that the face image of the person at the building unit door exit is acquired through a face recognition access control machine, and then the acquired face image is respectively compared with the face image corresponding to all the normal residents in the basic information base of the normal residents in each building in the community and the face image of the visitor outside the building outside visitor in the registration information of the visitor.
9. The intelligent community access control management system based on face recognition according to claim 1, wherein: the foreign visitor information includes a foreign visitor face image, a foreign visitor entry time point, and a foreign visitor exit time point.
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