CN111951451A - Attendance access control method and system based on distributed data interaction and wireless connection - Google Patents
Attendance access control method and system based on distributed data interaction and wireless connection Download PDFInfo
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- CN111951451A CN111951451A CN202010852769.1A CN202010852769A CN111951451A CN 111951451 A CN111951451 A CN 111951451A CN 202010852769 A CN202010852769 A CN 202010852769A CN 111951451 A CN111951451 A CN 111951451A
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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
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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
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/10—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
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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
- G07C9/33—Individual registration on entry or exit not involving the use of a pass in combination with an identity check by means of a password
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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
- G07C9/38—Individual registration on entry or exit not involving the use of a pass with central registration
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Abstract
The invention discloses an attendance access control method and system based on distributed data interaction and wireless connection, wherein the method comprises the following steps: s1: acquiring a personal biological identification characteristic value to a system through a first terminal and carrying out effective verification; s2: the plurality of different terminals respectively collect and store the personal biological identification characteristic values of different departments, and interact with the data in the S1; s3: identifying the personal biological identification characteristic value, judging whether the personal biological identification characteristic value is effectively registered at the local terminal of S2, if so, completing identification verification at the corresponding local terminal, and automatically opening the door lock; if not, the process proceeds to S1. The system comprises a basic platform layer, a data processing layer and an application display layer. By using the distributed computing method, the complex and large amount of storage and computation work is distributed to a plurality of identification terminals, the problems of low system response speed and high identification error rate caused by centralized storage and computation are solved, and the distributed computing method is low in cost and portable.
Description
Technical Field
The invention relates to the technical field of attendance access control, in particular to an attendance access control method and system based on distributed data interaction and wireless connection.
Background
The current attendance and entrance guard identification system generally adopts a biological identification technology, is closely combined with high-tech means such as an optical, acoustic, biosensor and a biometrical principle through a computer, and utilizes the inherent physiological characteristics (such as fingerprints, face images, irises and the like) and the behavior characteristics (such as handwriting, voice, gait and the like) of a human body to identify the identity of a person.
Due to the complexity of biometric identification calculation, the data volume is large. If the system is a biological identification system built by a plurality of biological identification terminals, the resource sharing and the data interconnection can be realized only by building a network architecture of data interconnection.
For example, in a scheme of processing data and identification calculation in a central server in a centralized manner, for a system with huge user data, the central server needs to store a large amount of user data, and the data is used for processing user identification information, so that huge load pressure is applied to the central server, and the calculation speed and accuracy are influenced. For example, if a fingerprint attendance access control system of an enterprise having 1 ten thousand employees adopts a centralized processing mode of a central server, the fingerprint identification action of each user needs to be calculated through the central server due to large data volume. On one hand, the central server needs to execute a large amount of comparison calculation, and the time consumption is long; on the other hand, the data size is huge (the system error rate can be kept at a low level within 5000 fingerprints stored generally), the calculation duration is long, and misjudgment is easy to occur.
If the scheme of storing, identifying and calculating by a plurality of terminals is adopted, on one hand, the storage and calculation of small data volume can be realized only because the storage capacity of a single terminal is small; on the other hand, because the sharing of data and resources cannot be realized between terminals, the data of the user often needs to be stored repeatedly, which causes resource waste. For example, an enterprise fingerprint attendance access control system with a plurality of attendance access control terminals, if the staff A wants to pass the identification verification at attendance access control terminals A and B, the fingerprints need to be respectively input into the attendance access control terminals A and B, and the attendance access control terminals A and B need to store the fingerprint data of the staff A, so that the waste of storage space resources is caused.
However, the biometric identification system in the prior art can only realize half-duplex data transmission, can only transmit signals in one direction at the same time, and cannot conveniently realize data sharing, such as an RS485 networking mode; or the transmission distance is short, and the long-distance data transmission cannot be realized, such as an RS232 networking mode; or the cost of building hardware is high, and a specific communication module such as a TCP/IP networking mode needs to be completely deployed. All the networking modes have defects and cannot meet the requirements of users.
Disclosure of Invention
The invention mainly aims to provide an attendance access control method and system based on distributed data interaction and wireless connection, so as to solve the defects in the technical background.
In order to achieve the purpose, the attendance access control method based on distributed data interaction and wireless connection provided by the invention comprises the following steps:
s1: the administrator collects the personal biological identification characteristic value through the first terminal, stores the personal biological identification characteristic value into a memory of the system, and performs effective verification;
s2: the plurality of different terminals respectively and independently collect and store the personal biological identification characteristic values of different departments into different system memories, and interact with the data in the S1;
s3: identifying the personal biological identification characteristic value, judging whether the personal biological identification characteristic value is effectively registered in the local terminal of S2, if so, finishing identification verification in the local corresponding terminal; the time parameter during identification is transmitted to a system of an administrator for data storage;
s4: the control end sorts and analyzes the data information, and screens out the door opening time which is not within the preset attendance time as the late time and the door opening time which is not within one day as the absent duty record;
s5: and 4, summarizing the times of the late time and the absent attendance records in the step 4, and automatically generating an attendance report at the control end.
Preferably, in S1, the method further includes:
s11, logging in the first terminal by the administrator through the special account and the password;
s12, the administrator checks, adds and modifies the personal biological identification characteristic values of the administrator and the staff at the first terminal, controls the opening and closing of the door lock and monitors the state of each door lock in real time;
and S13, the first terminal transmits the data of S12 to the terminal system in real time for storage.
Preferably, in S1 or S2, the personal biometric feature value is personal fingerprint data, personal face data, or personal iris data.
Preferably, in S3, the method further includes:
s31, when the personal biological identification characteristic value is judged not to be effectively finished at the local terminal of S2, the first terminal enters S1 to carry out identification verification;
s32, in the step S31, after the first terminal completes the identification verification; if the verification cannot be completed, the first terminal judges whether the personal biological identification characteristic value is effectively input.
Preferably, in S4, the control end includes a mobile phone end APP, a computer end APP or a tablet computer end APP wirelessly connected to the terminal.
Preferably, in S5, the attendance report is downloaded through the APP of the control end.
The attendance access control system based on distributed data interaction and wireless connection is used for implementing the attendance access control method based on distributed data interaction and wireless connection, and comprises the following steps:
the basic platform layer comprises a plurality of biometric characteristic value acquisition sensors, provides basic storage, calculation and network resources, and also provides distributed stream calculation, offline batch processing and graph calculation;
the data processing layer comprises a plurality of controllers, provides basic data extraction and statistical analysis algorithms, and also provides a semi-structured and unstructured data conversion structured data processing algorithm and a data content deep understanding algorithm;
the application display layer consists of an SSH framework and a plurality of types of front-end visualization tools, and comprises a monitoring center, wherein the monitoring center is used for further summarizing and summarizing the results of the data processing layer so as to meet the requirements of specific services;
the system comprises a plurality of biometric characteristic value acquisition sensors, a controller and a monitoring center, wherein the biometric characteristic value acquisition sensors are used for acquiring and transmitting a user biometric characteristic value to the system, the controller is used for transmitting and processing the user biometric characteristic value, the plurality of biometric characteristic value acquisition sensors are connected to the controller through WIFI, and the controller is connected to the monitoring center through a wireless network.
Preferably, the controllers comprise a master controller and sub-controllers, the master controller is respectively connected with the sub-controllers through WIFI, the sub-controllers are connected with the biological identification characteristic value acquisition sensor through WIFI, and the master controller is connected to the monitoring center through WIFI.
Preferably, the sub-controller is wirelessly connected with a wireless switch and an electric control lock respectively.
Preferably, the biometric characteristic value acquisition sensor is a fingerprint recognition sensor or a face recognition sensor or an iris recognition sensor.
The invention discloses an attendance access control method and system based on distributed data interaction and wireless connection, which firstly distribute complex and massive storage and calculation work to a plurality of identification terminals, and overcome the problems of low system response speed and high identification error rate caused by centralized storage and calculation; and the sharing of computing resources and data resources of different terminals is realized by utilizing data interconnection. The invention reasonably utilizes and optimizes the allocation of resources, and enhances the reliability and stability of the biological identification system;
the controller and the biological identification characteristic value acquisition sensors are subjected to data networking by utilizing the wireless network, so that bidirectional data interconnection between the controller and the biological identification characteristic value acquisition sensors and between the controller and the biological identification characteristic value acquisition sensors are realized, the system transmission distance is long, the data transmission is more stable, high-speed and effective, and the system is low in cost and portable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a flowchart of an attendance access control method based on distributed data interaction and wireless connection according to an embodiment of the present invention;
fig. 2 is a block diagram of an attendance access control system based on distributed data interaction and wireless connection according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an attendance access control system based on distributed data interaction and wireless connection according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In the embodiment of the invention, referring to fig. 1, the attendance access control method based on distributed data interaction and wireless connection comprises the following steps:
the administrator logs in the first terminal through the special account and the password of the administrator and collects the personal biological identification characteristic value to the database through the first terminal; the administrator can check, add and modify personal biological identification characteristic values of the administrator and the staff at the first terminal, control the opening and closing of the door lock and monitor the state of each door lock in real time; meanwhile, the data of the first terminal is transmitted to a memory of the system in real time for storage and effective verification.
Further, a plurality of different terminals respectively and independently collect and store the personal biological identification characteristic values of different departments into databases of different terminals, and interact with the data in the S1.
In this embodiment, the biometric characteristic value of the individual is personal fingerprint data, personal face data, or personal iris data.
Further, identifying the personal biological identification characteristic value, judging whether the personal biological identification characteristic value is effectively registered in the terminal local of S2, if so, completing identification verification in the corresponding terminal local, and automatically opening the door lock; the time parameter during identification is transmitted to a system of an administrator for data storage; when the personal biological identification characteristic value is judged not to be effectively finished in the local terminal of S2, the first terminal entering S1 is used for identification verification; after the first terminal completes identification verification, the door lock is automatically opened; if the verification cannot be completed, the first terminal judges whether the personal biological identification characteristic value is effectively input.
For example: in an enterprise with a plurality of departments, for example, four departments, namely an administrative department, a sales department, an engineering department and a research and development department are provided, each department is provided with an identification terminal, each identification terminal is connected to a monitoring center of the company and comprises a fingerprint identification sensor, a controller and a memory, fingerprint data of employees of each department are respectively and effectively registered in each memory, fingerprint data of a user A is effectively registered in the identification terminal of the administrative department, fingerprint data of a user B is effectively registered in the identification terminal of the sales department, fingerprint data of a user C is effectively registered in the identification terminal of the engineering department, fingerprint data of a user D is effectively registered in the identification terminal of the research and development department, when the user A needs to enter the administrative department, fingerprint data of the user A is collected by a gate inhibition identification terminal of the administrative department and is compared with the fingerprint data effectively registered locally, an electric control lock can be directly driven to open a door after verification is passed and attendance is recorded, when a user B needs to enter the administrative department, the entrance guard identification terminal of the administrative department acquires the fingerprint data of the user B and judges that the fingerprint data of the user B is not effectively registered in the identification terminal of the administrative department, and then the fingerprint data of the user B is transmitted to the identification terminals and the monitoring center of four departments, namely the administrative department, the sales department, the engineering department and the research and development department in a broadcasting mode; and after the sales part receives the fingerprint data of the second fingerprint, the fingerprint data is compared with the fingerprint data which is locally and effectively registered by the sales part, the verification result is transmitted back to the sales part identification terminal after the verification is passed, and the sales part identification terminal drives the electric control lock to open the door after receiving the verification result.
Similarly, the identification principles of the glass lock, the drawer lock, the gateway gate, and the like of the company are the same, and the sharing of the computing resources and the data resources of different terminals is realized by using data interconnection, which is not described herein too much.
Alternatively, by setting specific conditions in each department:
1. the number and the period of passing the verification in a specific time period are greater than or equal to set values, for example, the number of passing the verification in the same identification terminal in one month is greater than or equal to 20 (the specific number is set according to the attendance days of a company). If the number of times that the nail passes the verification of the administrative department exceeds 20 times in one month, the fingerprint data of the nail is effectively registered and stored in the identification terminal of the sales department, and the 21 st time that the nail passes the sales department, the identification verification can be completed at the local identification terminal without being broadcasted to other terminals, so that the quick and effective identification is realized.
2. The verification passing times of the same identification terminal in one month are less than or equal to 5 times (specifically set according to actual conditions). If the number of times that the sales part passes the verification is less than 5 in one month, the effective registration of the fingerprint data of the second part in the sales part is cancelled, and if the second part passes the sales part again, the fingerprint data of the second part can be broadcasted to the identification terminals of other departments by the identification terminal of the sales part to complete the identification and verification, so that the dynamic management of the storage space resources is realized, and the identification speed and the identification accuracy are effectively guaranteed.
Further, the control end sorts and analyzes the data information, and screens out the door opening time which is not within the preset attendance time as late time and the door opening time which is not within one day as absent record. And summarizing the times of the late time and the absent attendance records, and automatically generating an attendance report at the control end. And the attendance report is downloaded through the APP of the control end.
In this embodiment, the control end includes a mobile phone end APP, a computer end APP or a tablet computer end APP that is wirelessly connected with the terminal.
According to the attendance access control method based on distributed data interaction and wireless connection, the problems of low system response speed and high identification error rate caused by centralized storage and calculation are solved by distributing a large amount of complicated storage and calculation work to a plurality of identification terminals; and the sharing of computing resources and data resources of different terminals is realized by utilizing data interconnection. The invention reasonably utilizes and optimizes the configuration of resources and enhances the reliability and stability of the biological recognition system.
The embodiment also provides an attendance access control system based on distributed data interaction and wireless connection, which is used for implementing an attendance access control method based on distributed data interaction and wireless connection, and with reference to fig. 2 and 3, the attendance access control system comprises:
and the basic platform layer comprises a plurality of biometric characteristic value acquisition sensors, provides basic storage, calculation and network resources, and also provides distributed stream calculation, offline batch processing and graph calculation.
In this embodiment, the biometric characteristic value acquisition sensor is a fingerprint recognition sensor or a face recognition sensor or an iris recognition sensor.
The data processing layer comprises a plurality of controllers, provides basic data extraction and statistical analysis algorithms, and also provides a semi-structured and unstructured data conversion structured data processing algorithm and a data content deep understanding algorithm;
the application display layer consists of an SSH framework and a plurality of types of front-end visualization tools, and comprises a monitoring center, wherein the monitoring center is used for further summarizing and summarizing the results of the data processing layer so as to meet the requirements of specific services;
the biometric characteristic value acquisition sensor is used for acquiring the biometric characteristic value of the user and transmitting the biometric characteristic value to the memory of the system for storage, so that the user information is prevented from being invaded and stolen by lawbreakers, and the safety of the user information is ensured. The controller is used for receiving and processing the user biological identification characteristic values through the APP, the biological identification characteristic value acquisition sensors are connected to the controller through WIFI, and the controller is connected to the monitoring center through a wireless network.
Further, a plurality of controllers include total controller and sub-controller, total controller passes through APP and connects a plurality of sub-controllers respectively, sub-controller and biological identification characteristic value acquisition sensor wireless connection, total controller WIFI is connected to the surveillance center.
According to the attendance access control system based on distributed data interaction and wireless connection, the wireless network is used for carrying out data networking on the controllers and the biological identification characteristic value acquisition sensors, so that bidirectional data interconnection between the controllers and the biological identification characteristic value acquisition sensors is realized, the system transmission distance is long, the data transmission is more stable, high-speed and effective, and the system is low in cost and portable.
For example, in a large company (china post), a biological identification characteristic value (fingerprint data or personal face data or personal iris data) is respectively recorded by an employee a at a terminal of each province, each city and each district and is stored in a memory of a terminal system, the biological identification characteristic value of the employee a at each place is interacted through a control end APP, and when the employee a is transferred from the city a to the city B, the biological identification characteristic value of the employee a is transmitted from the city a to the city B through a key of the control end APP, so that data interconnection is realized.
In this embodiment, the plurality of biometric characteristic value acquisition sensors are respectively and wirelessly connected with a wireless switch and an electric control lock.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An attendance access control method based on distributed data interaction and wireless connection is characterized by comprising the following steps:
s1: the administrator collects the personal biological identification characteristic value through the first terminal, stores the personal biological identification characteristic value into a memory of the system, and performs effective verification;
s2: the plurality of different terminals respectively and independently collect and store the personal biological identification characteristic values of different departments into different system memories, and interact with the data in the S1;
s3: identifying the personal biological identification characteristic value, judging whether the personal biological identification characteristic value is effectively registered in the local terminal of S2, if so, finishing identification verification in the local corresponding terminal; the time parameter during identification is transmitted to a system of an administrator for data storage;
s4: the control end sorts and analyzes the data information, and screens out the door opening time which is not within the preset attendance time as the late time and the door opening time which is not within one day as the absent duty record;
s5: and 4, summarizing the times of the late time and the absent attendance records in the step 4, and automatically generating an attendance report at the control end.
2. The attendance access control method based on distributed data interaction and wireless connection as claimed in claim 1, wherein in said S1, further comprising:
s11, logging in the first terminal by the administrator through the special account and the password;
s12, the administrator checks, adds and modifies the personal biological identification characteristic values of the administrator and the staff at the first terminal, controls the opening and closing of the door lock and monitors the state of each door lock in real time;
and S13, the first terminal transmits the data of S12 to the terminal system in real time for storage.
3. The attendance access control method based on distributed data interaction and wireless connection as claimed in claim 1, wherein in said S1 or S2, said personal biometric feature value is personal fingerprint data or personal face data or personal iris data.
4. The attendance access control method based on distributed data interaction and wireless connection as claimed in claim 1, wherein in said S3, further comprising:
s31, when the personal biological identification characteristic value is judged not to be effectively finished at the local terminal of S2, the first terminal enters S1 to carry out identification verification;
s32, in the step S31, after the first terminal completes the identification verification; if the verification cannot be completed, the first terminal judges whether the personal biological identification characteristic value is effectively input.
5. The attendance access control method based on distributed data interaction and wireless connection of claim 1, wherein in S4, the control end includes a mobile phone end APP, a computer end APP or a tablet computer end APP wirelessly connected with the terminal.
6. The attendance access control method based on distributed data interaction and wireless connection as claimed in claim 1, wherein in S5, the attendance report is downloaded through the APP of the control end.
7. The attendance access control system based on distributed data interaction and wireless connection is characterized by being used for implementing the attendance access control method based on distributed data interaction and wireless connection as claimed in any one of claims 1 to 6, and comprises the following steps:
the basic platform layer comprises a plurality of biometric characteristic value acquisition sensors, provides basic storage, calculation and network resources, and also provides distributed stream calculation, offline batch processing and graph calculation;
the data processing layer comprises a plurality of controllers, provides basic data extraction and statistical analysis algorithms, and also provides a semi-structured and unstructured data conversion structured data processing algorithm and a data content deep understanding algorithm;
the application display layer consists of an SSH framework and a plurality of types of front-end visualization tools, and comprises a monitoring center, wherein the monitoring center is used for further summarizing and summarizing the results of the data processing layer so as to meet the requirements of specific services;
the system comprises a plurality of biometric characteristic value acquisition sensors, a controller and a monitoring center, wherein the biometric characteristic value acquisition sensors are used for acquiring and transmitting a user biometric characteristic value to the system, the controller is used for transmitting and processing the user biometric characteristic value, the plurality of biometric characteristic value acquisition sensors are connected to the controller through WIFI, and the controller is connected to the monitoring center through a wireless network.
8. The attendance access control system based on distributed data interaction and wireless connection as claimed in claim 7, wherein the plurality of controllers comprise a master controller and a sub-controller, the master controller is respectively connected with the plurality of sub-controllers through WIFI, the sub-controllers are connected with a biological identification characteristic value acquisition sensor through WIFI, and the master controller is connected with a monitoring center through WIFI.
9. The attendance access control system based on distributed data interaction and wireless connection as claimed in claim 7, wherein the sub-controller is wirelessly connected with a wireless switch and an electrically controlled lock respectively.
10. The attendance access control system based on distributed data interaction and wireless connection of claim 7, wherein the biometric characteristic value acquisition sensor is a fingerprint recognition sensor or a face recognition sensor or an iris recognition sensor.
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| CN104036557A (en) * | 2013-03-06 | 2014-09-10 | 中国科学技术大学苏州研究院 | B/S architecture based distributed face recognition attendance system and attendance checking method thereof |
| CN105046303A (en) * | 2015-08-03 | 2015-11-11 | 深圳市科锐奇科技有限公司 | Distributed data interaction based biological identification method and system |
| CN108364376A (en) * | 2018-01-15 | 2018-08-03 | 广安众道电子商务有限公司 | A kind of gate inhibition and integrated Work attendance method of checking card |
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