CN115171262A - Low-power-consumption face unlocking method and system based on CTID and 4G network communication - Google Patents

Low-power-consumption face unlocking method and system based on CTID and 4G network communication Download PDF

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Publication number
CN115171262A
CN115171262A CN202210619714.5A CN202210619714A CN115171262A CN 115171262 A CN115171262 A CN 115171262A CN 202210619714 A CN202210619714 A CN 202210619714A CN 115171262 A CN115171262 A CN 115171262A
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face
module
entrance guard
authorization
face image
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吴太亮
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Fujian Newland Communication Science Technologies Co ltd
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Fujian Newland Communication Science Technologies Co ltd
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/30—Individual registration on entry or exit not involving the use of a pass
    • G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/37—Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/30—Individual registration on entry or exit not involving the use of a pass
    • G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/33—Individual registration on entry or exit not involving the use of a pass in combination with an identity check by means of a password
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/30—Individual registration on entry or exit not involving the use of a pass
    • G07C9/38—Individual registration on entry or exit not involving the use of a pass with central registration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The invention provides a low-power-consumption face unlocking method and system based on CTID and 4G network communication, belonging to the technical field of access control, wherein the method comprises the following steps: s10, the entrance guard sets an updating period, and enters a standby state after authorization information is updated from a server based on the updating period; s20, the entrance guard wakes up based on the received trigger signal, and checks the user information input by the face recognition module, the NFC module or the key panel through the authorization information to generate a check result; and S30, controlling the motor to work by the entrance guard based on the verification result, uploading the unlocking record through the 4G communication module, and then entering a standby state. The invention has the advantages that: the power consumption of the entrance guard is greatly reduced.

Description

Low-power-consumption face unlocking method and system based on CTID and 4G network communication
Technical Field
The invention relates to the technical field of entrance guard, in particular to a low-power-consumption face unlocking method and system based on CTID and 4G network communication.
Background
At present, there are a lot of entrance guards based on face identification in the market, because the face identification module of entrance guard needs to use the camera of high resolution ratio to gather the photo, the consumption is bigger, so most entrance guards all adopt the normal electricity, perhaps use the rechargeable lithium cell of large capacity as the power, even so, entrance guard still needs often to charge or change the lithium cell, for example the cell-phone fills once daily basically, this use scene of entrance guard has been restricted undoubtedly, and very big influence user experience.
Therefore, how to provide a low-power-consumption face unlocking method and system based on CTID and 4G network communication to reduce the power consumption of the access control becomes a technical problem to be solved urgently.
Disclosure of Invention
The invention aims to solve the technical problem of providing a low-power-consumption face unlocking method and system based on CTID and 4G network communication, so as to reduce the power consumption of an access control.
In a first aspect, the invention provides a low-power-consumption face unlocking method based on CTID and 4G network communication, which comprises the following steps:
s10, the entrance guard sets an updating period, and enters a standby state after authorization information is updated from a server based on the updating period;
s20, the entrance guard wakes up based on the received trigger signal, and checks the user information input by the face recognition module, the NFC module or the key panel through the authorization information to generate a check result;
and S30, controlling the motor to work by the entrance guard based on the verification result, uploading the unlocking record through the 4G communication module, and then entering a standby state.
Further, the step S10 specifically includes:
the entrance guard sets an updating period, and periodically updates authorization information comprising an authorized face image, an authorized character string and an authorized password from a server through a 4G communication module based on the updating period, and then enters a standby state.
Further, the generation process of the authorized face image is as follows:
after uploading the face image to a server through a mobile phone APP for CTID (computer telephony integration) verification, the server performs face region cutting and scaling processing on the face image so as to obtain an authorized face image.
Further, in step S20, the access control wakes up based on the received trigger signal, checks the user information input by the face recognition module through the authorization information, and generates a checking result specifically as follows:
the entrance guard is awakened based on a trigger signal of a preset key of a key panel, a face recognition module is powered on through a GPIO (general purpose input/output), a face image to be recognized is obtained through the face recognition module, the face characteristic value of the face image to be recognized and the face characteristic value of an authorized face image are compared, whether the similarity is higher than a set proportion threshold value or not is judged, and if yes, a verification result that the identity verification passes is generated; if not, generating a verification result of the identity verification failure, and prompting through voice.
Further, in step S20, the access control wakes up based on the received trigger signal, checks the user information input by the NFC module or the key panel through the authorization information, and generates a checking result specifically as follows:
the entrance guard wakes up based on a trigger signal generated by GPIO interruption, checks the character string read by the NFC module from the NFC chip through the authorization character string, or checks the password input by the key panel through the authorization password, judges whether the authorization character string is consistent with the character string or whether the authorization password is consistent with the password, and generates a check result that the identity check passes if the authorization character string is consistent with the character string or the authorization password is consistent with the password; if not, generating a verification result of the identity verification failure, and prompting through voice.
In a second aspect, the invention provides a low-power-consumption face unlocking system based on CTID and 4G network communication, which comprises the following modules:
the authorization information updating module is used for setting an updating period for the entrance guard, and entering a standby state after the authorization information is updated from the server based on the updating period;
the user information verification module is used for awakening the access control based on the received trigger signal, verifying the user information input by the face identification module, the NFC module or the key panel through the authorization information and generating a verification result;
and the unlocking module is used for the entrance guard to control the work of the motor based on the verification result, and enters a standby state after the unlocking record is uploaded through the 4G communication module.
Further, the authorization information updating module specifically includes:
the entrance guard sets an updating period, and based on the updating period, after the authorization information including the authorized face image, the authorized character string and the authorized password is updated from the server through the 4G communication module, the entrance guard enters a standby state.
Further, the generation process of the authorized face image is as follows:
after uploading the face image to a server through a mobile phone APP for CTID verification, the server cuts and scales the face region of the face image, and then obtains an authorized face image.
Further, in the user information verification module, the access control unit wakes up based on the received trigger signal, verifies the user information input by the face recognition module through the authorization information, and generates a verification result specifically as follows:
the entrance guard is awakened based on a trigger signal of a preset key of a key panel, a face recognition module is powered on through a GPIO (general purpose input/output), a face image to be recognized is obtained through the face recognition module, the face characteristic value of the face image to be recognized and the face characteristic value of an authorized face image are compared, whether the similarity is higher than a set proportion threshold value or not is judged, and if yes, a verification result that the identity verification passes is generated; if not, generating a verification result of the identity verification failure, and prompting through voice.
Further, in the user information verification module, the access control unit wakes up based on the received trigger signal, verifies the user information input by the NFC module or the key panel through the authorization information, and generates a verification result specifically as follows:
the entrance guard wakes up based on a trigger signal generated by GPIO interruption, checks the character string read by the NFC module from the NFC chip through the authorization character string, or checks the password input by the key panel through the authorization password, judges whether the authorization character string is consistent with the character string or whether the authorization password is consistent with the password, and generates a check result that the identity check passes if the authorization character string is consistent with the character string or the authorization password is consistent with the password; if not, generating a verification result of the identity verification failure, and prompting through voice.
The invention has the advantages that:
1. by setting an update period, the access control periodically wakes up based on the update period to update authorization information from the server through the 4G communication module, and the rest of the time is in a standby state (a dormant state), and an authorized face image stored in the server is subjected to face region cutting and zooming processing, so that the time for issuing the authorized face image is shortened (the working time of the 4G communication module is shortened), the face matching and the identification precision can be effectively improved, the identification failure caused by excessive interference of the authorized face image is avoided, repeated registration is required for a user (CTID verification is performed by uploading the face image), and the face identification module, the 4G communication module, the NFC module and the like serving as a power-consuming large user are powered on only when the face identification module, the 4G communication module, the NFC module and the like are required to be used (the user wakes up through pressing keys or swiping a card), for example, the NFC module is wakened up through NFC, and the other modules are always in a power-off state; finally, the power consumption of the entrance guard is greatly reduced, and the entrance guard can be continuously used for more than 11 months under the condition of averagely unlocking 20 times every day even if the power is supplied through a No. 5 dry battery.
2. The face image, the character string or the password are acquired through the face recognition module, the NFC module or the key panel to perform identity verification, so that the entrance guard combines various unlocking modes, and diversified unlocking requirements of users are met.
3. The unlocking records are uploaded to the server in real time through the entrance guard, and the later-stage business turn over statistics and source tracing are facilitated.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a flow chart of a low-power-consumption face unlocking method based on CTID and 4G network communication.
Fig. 2 is a schematic structural diagram of a low-power-consumption face unlocking system based on CTID and 4G network communication.
Fig. 3 is a hardware architecture diagram of the present invention.
Detailed Description
The technical scheme in the embodiment of the application has the following general idea: the entrance guard wakes up the slave server to update the authorization information periodically based on the set update period, the rest time is in a standby state, the authorized face image stored in the server is subjected to face region cutting and scaling processing, so that the time length of issuing the authorized face image is shortened, the face recognition precision is improved, repeated registration of a user is avoided, and the face recognition module, the 4G communication module, the NFC module and the like serving as a power-consuming large user are powered on only when the face recognition module, the 4G communication module, the NFC module and the like are required to be used, so that the power consumption of the entrance guard is reduced.
Referring to fig. 1 to fig. 3, a preferred embodiment of a low-power-consumption face unlocking method based on CTID and 4G network communication according to the present invention includes the following steps:
s10, the entrance guard sets an updating period, and enters a standby state after authorization information is updated from a server based on the updating period; namely, the entrance guard is in a standby state under the non-working state and the non-updating period, so as to save energy consumption;
s20, the entrance guard wakes up based on the received trigger signal, and checks the user information input by the face recognition module, the NFC module or the key panel through the authorization information to generate a check result;
and S30, controlling the motor to work by the entrance guard based on the verification result, uploading an unlocking record to a server in real time through the 4G communication module, entering a standby state, and disconnecting the power supply of the face recognition module, the 4G communication module and the NFC module. And finally, whether the verification result is that the identity verification passes or fails, uploading the unlocking record and entering a standby state.
The invention realizes the face lock, reduces the power consumption, realizes the face safety detection through the CTID technology, and can be put into the scenes requiring the combination of the testimony and the face recognition, such as the public rental house door lock.
The step S10 specifically includes:
the entrance guard sets an updating period, and based on the updating period, after the authorization information including the authorized face image, the authorized character string and the authorized password is updated from the server through the 4G communication module, the entrance guard enters a standby state. The updating period is preferably 48 hours, the updating frequency is reduced, the number of times of awakening the entrance guard from the standby state is reduced, and the power consumption of the entrance guard is further reduced.
The generation process of the authorized face image is as follows:
after uploading the face image to a server through a mobile phone APP for CTID verification, the server cuts and scales the face region of the face image, and then obtains an authorized face image. By cutting and zooming the face area, the file size of the authorized face image is reduced, the speed of issuing the authorized face image by the server is increased, the 4G communication module can enter a dormant state more quickly after receiving the authorized face image, and the power consumption of the access control is reduced.
In step S20, the access control wakes up based on the received trigger signal, checks the user information input by the face recognition module through the authorization information, and generates a check result specifically as follows:
the entrance guard is awakened based on a trigger signal of a preset key of a key panel, a face recognition module is powered on through a GPIO (general purpose input/output), a face image to be recognized is obtained through the face recognition module, the face characteristic value of the face image to be recognized and the face characteristic value of an authorized face image are compared, whether the similarity is higher than a set proportion threshold value or not is judged, and if yes, a verification result that the identity verification passes is generated; if not, generating a verification result of the identity verification failure, and prompting through voice. Whether the face recognition module is powered on or not is judged through the preset keys, and compared with the traditional infrared sensing human body, the power consumption is further reduced.
In step S20, the access control wakes up based on the received trigger signal, checks the user information input by the NFC module or the key panel through the authorization information, and generates a checking result specifically as follows:
the entrance guard wakes up based on a trigger signal generated by GPIO interruption, checks the character string read by the NFC module from the NFC chip through the authorization character string, or checks the password input by the key panel through the authorization password, judges whether the authorization character string is consistent with the character string or whether the authorization password is consistent with the password, and generates a check result that the identity check passes if the authorization character string is consistent with the character string or the authorization password is consistent with the password; if not, generating a verification result of the identity verification failure, and prompting through voice.
The invention discloses a preferred embodiment of a low-power-consumption face unlocking system based on CTID and 4G network communication, which comprises the following modules:
the authorization information updating module is used for setting an updating period for the entrance guard, and entering a standby state after the authorization information is updated from the server based on the updating period; namely, the entrance guard is in a standby state under the non-working state and the non-updating period, so as to save energy consumption;
the user information verification module is used for awakening the access control based on the received trigger signal, verifying the user information input by the face identification module, the NFC module or the key panel through the authorization information and generating a verification result;
and the unlocking module is used for the entrance guard to upload the unlocking record to the server in real time through the 4G communication module based on the work of the motor controlled by the verification result, and then the entrance guard enters a standby state to disconnect the power supply of the face recognition module, the 4G communication module and the NFC module. And finally, the unlocking record is uploaded and the mobile terminal enters a standby state no matter whether the verification result is that the identity verification passes or fails.
The invention realizes the face lock, reduces the power consumption, realizes the face safety detection through the CTID technology, and can be put into the scenes requiring the combination of the testimony and the face recognition, such as the public rental house door lock.
The authorization information updating module is specifically as follows:
the entrance guard sets an updating period, and based on the updating period, after the authorization information including the authorized face image, the authorized character string and the authorized password is updated from the server through the 4G communication module, the entrance guard enters a standby state. The updating period is preferably 48 hours, the updating frequency is reduced, the number of times of awakening the entrance guard from the standby state is reduced, and the power consumption of the entrance guard is further reduced.
The generation process of the authorized face image is as follows:
after uploading the face image to a server through a mobile phone APP for CTID verification, the server cuts and scales the face region of the face image, and then obtains an authorized face image. By cutting and zooming the face area, the file size of the authorized face image is reduced, the speed of issuing the authorized face image by the server is increased, the 4G communication module can enter a dormant state more quickly after receiving the authorized face image, and the power consumption of the access control is reduced.
In the user information verification module, the entrance guard awakens based on the received trigger signal, verifies the user information input by the face identification module through the authorization information, and generates a verification result specifically as follows:
the entrance guard is awakened based on a trigger signal of a preset key of a key panel, a face recognition module is powered on through a GPIO (general purpose input/output), a face image to be recognized is obtained through the face recognition module, the face characteristic value of the face image to be recognized and the face characteristic value of an authorized face image are compared, whether the similarity is higher than a set proportion threshold value or not is judged, and if yes, a verification result that the identity verification passes is generated; if not, generating a verification result of the identity verification failure, and prompting through voice. Whether the face recognition module is powered on or not is judged through the preset keys, and compared with the traditional infrared sensing human body, the power consumption is further reduced.
In the user information verification module, the access control awakens based on the received trigger signal, verifies the user information input by the NFC module or the key panel through the authorization information, and generates a verification result specifically as follows:
the entrance guard wakes up based on a trigger signal generated by GPIO interruption, checks the character string read by the NFC module from the NFC chip through the authorization character string, or checks the password input by the key panel through the authorization password, judges whether the authorization character string is consistent with the character string or whether the authorization password is consistent with the password, and generates a check result that the identity check passes if the authorization character string is consistent with the character string or the authorization password is consistent with the password; if not, generating a verification result of the identity verification failure, and prompting through voice.
In conclusion, the invention has the advantages that:
1. by setting an update period, the access control periodically wakes up based on the update period to update authorization information from the server through the 4G communication module, and the rest of the time is in a standby state (a dormant state), and an authorized face image stored in the server is subjected to face region cutting and zooming processing, so that the time for issuing the authorized face image is shortened (the working time of the 4G communication module is shortened), the face matching and the identification precision can be effectively improved, the identification failure caused by excessive interference of the authorized face image is avoided, repeated registration is required for a user (CTID verification is performed by uploading the face image), and the face identification module, the 4G communication module, the NFC module and the like serving as a power-consuming large user are powered on only when the face identification module, the 4G communication module, the NFC module and the like are required to be used (the user wakes up through pressing keys or swiping a card), for example, the NFC module is wakened up through NFC, and the other modules are always in a power-off state; finally, the power consumption of the entrance guard is greatly reduced, and the entrance guard can be continuously used for more than 11 months under the condition of averagely unlocking 20 times every day even if the power is supplied through a No. 5 dry battery.
2. The face image, the character string or the password are acquired through the face recognition module, the NFC module or the key panel to perform identity verification, so that the entrance guard combines multiple unlocking modes, and diversified unlocking requirements of users are met.
3. The unlocking records are uploaded to the server in real time through the entrance guard, and the later-stage business turn over statistics and source tracing are facilitated.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.

Claims (10)

1. A low-power-consumption face unlocking method based on CTID and 4G network communication is characterized in that: the method comprises the following steps:
s10, the entrance guard sets an updating period, and enters a standby state after authorization information is updated from a server based on the updating period;
s20, the entrance guard wakes up based on the received trigger signal, and checks the user information input by the face identification module, the NFC module or the key panel through the authorization information to generate a check result;
and S30, controlling the motor to work by the entrance guard based on the verification result, uploading the unlocking record through the 4G communication module, and then entering a standby state.
2. The CTID and 4G network communication-based low-power-consumption face unlocking method as claimed in claim 1, characterized in that: the step S10 specifically includes:
the entrance guard sets an updating period, and based on the updating period, after the authorization information including the authorized face image, the authorized character string and the authorized password is updated from the server through the 4G communication module, the entrance guard enters a standby state.
3. The CTID and 4G network communication-based low-power-consumption face unlocking method as claimed in claim 2, characterized in that: the generation process of the authorized face image is as follows:
after uploading the face image to a server through a mobile phone APP for CTID verification, the server cuts and scales the face region of the face image, and then obtains an authorized face image.
4. The CTID and 4G network communication-based low-power-consumption face unlocking method as claimed in claim 2, characterized in that: in step S20, the access control wakes up based on the received trigger signal, checks the user information input by the face recognition module through the authorization information, and generates a check result specifically as follows:
the entrance guard is awakened based on a trigger signal of a preset key of a key panel, the face recognition module is powered on through a GPIO (general purpose input/output), a face image to be recognized is obtained through the face recognition module, the face characteristic value of the face image to be recognized and the face characteristic value of an authorized face image are compared, whether the similarity is higher than a set proportion threshold value or not is judged, and if yes, a verification result that the identity verification passes is generated; if not, generating a verification result of the identity verification failure, and prompting through voice.
5. The CTID and 4G network communication-based low-power-consumption face unlocking method as claimed in claim 2, characterized in that: in step S20, the access control wakes up based on the received trigger signal, verifies the user information input by the NFC module or the key panel through the authorization information, and generates a verification result specifically as follows:
the entrance guard wakes up based on a trigger signal generated by GPIO interruption, checks the character string read by the NFC module from the NFC chip through the authorization character string, or checks the password input by the key panel through the authorization password, judges whether the authorization character string is consistent with the character string or whether the authorization password is consistent with the password, and generates a check result that the identity check passes if the authorization character string is consistent with the character string or the authorization password is consistent with the password; if not, generating a verification result of the identity verification failure, and prompting through voice.
6. The utility model provides a low-power consumption face unblock system based on CTID and 4G network communication which characterized in that: the system comprises the following modules:
the authorization information updating module is used for setting an updating period for the entrance guard, and entering a standby state after the authorization information is updated from the server based on the updating period;
the user information verification module is used for awakening the access control based on the received trigger signal, verifying the user information input by the face identification module, the NFC module or the key panel through the authorization information and generating a verification result;
and the unlocking module is used for the entrance guard to control the work of the motor based on the verification result, and enters a standby state after the unlocking record is uploaded through the 4G communication module.
7. The CTID and 4G network communication based low-power-consumption face unlocking system as claimed in claim 6, wherein: the authorization information updating module is specifically as follows:
the entrance guard sets an updating period, and based on the updating period, after the authorization information including the authorized face image, the authorized character string and the authorized password is updated from the server through the 4G communication module, the entrance guard enters a standby state.
8. The CTID and 4G network communication based low-power-consumption face unlocking system as claimed in claim 7, wherein: the generation process of the authorized face image is as follows:
after uploading the face image to a server through a mobile phone APP for CTID verification, the server cuts and scales the face region of the face image, and then obtains an authorized face image.
9. The CTID and 4G network communication based low-power-consumption face unlocking system as claimed in claim 7, wherein: in the user information verification module, the entrance guard awakens based on the received trigger signal, verifies the user information input by the face identification module through the authorization information, and generates a verification result specifically as follows:
the entrance guard is awakened based on a trigger signal of a preset key of a key panel, a face recognition module is powered on through a GPIO (general purpose input/output), a face image to be recognized is obtained through the face recognition module, the face characteristic value of the face image to be recognized and the face characteristic value of an authorized face image are compared, whether the similarity is higher than a set proportion threshold value or not is judged, and if yes, a verification result that the identity verification passes is generated; if not, generating a verification result of the identity verification failure, and prompting through voice.
10. The CTID and 4G network communication based low-power-consumption face unlocking system as claimed in claim 7, wherein: in the user information verification module, the access control awakens based on the received trigger signal, verifies the user information input by the NFC module or the key panel through the authorization information, and generates a verification result specifically as follows:
the entrance guard wakes up based on a trigger signal generated by GPIO interruption, the character string read by an NFC module from an NFC chip is verified through the authorization character string, or a password input by a key panel is verified through the authorization password, whether the authorization character string is consistent with the character string or not is judged, or whether the authorization password is consistent with the password or not is judged, and if yes, a verification result that identity verification passes is generated; if not, generating a verification result of the identity verification failure, and prompting through voice.
CN202210619714.5A 2022-06-02 2022-06-02 Low-power-consumption face unlocking method and system based on CTID and 4G network communication Pending CN115171262A (en)

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