CN111681331A - Attendance identification system and method - Google Patents
Attendance identification system and method Download PDFInfo
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- CN111681331A CN111681331A CN202010499758.XA CN202010499758A CN111681331A CN 111681331 A CN111681331 A CN 111681331A CN 202010499758 A CN202010499758 A CN 202010499758A CN 111681331 A CN111681331 A CN 111681331A
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/535—Tracking the activity of the user
Abstract
The application relates to the technical field of electronic banquet cards, in particular to an attendance checking identification system and method, wherein the system comprises: at least one terminal device, a server and at least one electronic class card; the at least one terminal device respectively acquires student information of at least one student and uploads the student information to the server, and the student information comprises: identity information and face feature information of the student; the server stores the student information into a student database; and the target electronic class board downloads target student information of a target class from the server and carries out attendance identification on students of the target class. Compared with the prior art that a large number of students enter information through the same electronic class board, the students upload identity information and face feature information to at least one terminal device respectively and distribute information entering operation to the at least one terminal device, so that the information entering time is greatly shortened, and the information entering efficiency is improved.
Description
Technical Field
The application relates to the technical field of electronic class cards, in particular to an attendance identification system and method.
Background
The electronic class card is an intelligent interactive terminal, and is an intelligent tool integrating intelligent teaching, student shift attendance checking, information release and interaction between teachers and parents, and between parents and students based on the technology of the Internet of things.
The existing attendance recognition mode is that a large number of students perform feature input and face recognition through the same electronic class card, and because the number of students in each class is large, if the students in the whole class use the same electronic class card to input information such as face features, the information input process takes longer time, and the information input efficiency is lower.
Disclosure of Invention
In view of the above, the present application is proposed to provide an attendance identification system and method that overcomes or at least partially solves the above-mentioned problems.
In a first aspect, the present application provides an attendance identification system, comprising: at least one terminal device, a server and at least one electronic class card;
the at least one terminal device is used for acquiring student information of at least one student respectively and uploading the student information to the server, and the student information comprises: identity information and face feature information of the student;
the server is used for storing the student information into a student database;
and the target electronic class board is used for downloading target student information of a target class from the server when the target electronic class board is started, storing the target student information into a local database, and performing attendance identification on students of the target class according to the local database, wherein the target electronic class board is one of the at least one electronic class board.
Optionally, the identity information includes: the area identification, school identification, class identification, name and school number to which the student belongs.
Optionally, the server is further configured to extract a region identifier, a school identifier, a class identifier, a name, and a school number of the student from the identity information; determining the storage position of the student information in the student database according to the area identification, the school identification and the class identification of the student; and storing the name, the school number and the face feature information of the student to the storage position.
Optionally, the target electronic shift board is further configured to send an information downloading request to the server when the target electronic shift board is started for the first time; the information downloading request carries target identification information, and the target identification information comprises a target area identification, a target school identification and a target class identification which correspond to a target class;
the server is further used for extracting the target identification information from the information downloading request;
the server is further used for searching target student information of the target class in the student database according to the target area identification, the target school identification and the target class identification, and sending the target student information to the target electronic class board.
Optionally, the target electronic class board is further configured to inquire, to the server, whether the target class has new student information according to the target identification information;
the server is further used for judging whether the target class has newly added student information through the student database, and if the target class has the newly added student information, the newly added student information is sent to the target electronic class board;
and the target electronic class board is also used for updating the local database according to the newly added student information and carrying out attendance identification on the students of the target class based on the updated local database.
In a second aspect, the invention further provides an attendance identification method, which is applied to an attendance identification system, wherein the system comprises at least one terminal device, a server and at least one electronic class card; the method comprises the following steps:
the at least one terminal device respectively acquires student information of at least one student and uploads the student information to the server, and the student information comprises: identity information and face feature information of the student;
the server stores the student information into a student database;
when the target electronic class board is started, target student information of a target class is downloaded from the server, the target student information is stored in a local database, attendance identification is carried out on students of the target class according to the local database, and the target electronic class board is one of the at least one electronic class board.
Optionally, the identity information includes: the area identification, school identification, class identification, name and school number to which the student belongs.
Optionally, the server stores the student information in a student database, including:
the server extracts the area identification, the school identification, the class identification, the name and the school number of the student from the identity information, determines the storage position of the student information in the student database according to the area identification, the school identification and the class identification of the student, and stores the name, the school number and the face feature information of the student to the storage position.
Optionally, when the target electronic class card is started, target student information of the target class is downloaded from the server, where the target student information includes:
when the target electronic class board is started for the first time, sending an information downloading request to the server; the information downloading request carries target identification information, and the target identification information comprises a target area identification, a target school identification and a target class identification which correspond to a target class;
the server extracts the target identification information from the information downloading request;
and the server searches target student information of the target class in the student database according to the target area identification, the target school identification and the target class identification, and sends the target student information to the target electronic class board.
Optionally, the target student information further includes: newly added student information;
when the target electronic class board is started, target student information of a target class is downloaded from the server, and the method further comprises the following steps:
the target electronic class board inquires the server whether the target class has newly added student information or not according to the target identification information;
the server judges whether the target class has newly added student information or not through the student database, and if the target class has the newly added student information, the newly added student information is sent to the target electronic class board;
and the target electronic class board updates the local database according to the newly added student information, and performs attendance identification on the students of the target class based on the updated local database.
One or more technical solutions in the embodiments of the present application have at least the following technical effects or advantages:
the application provides an attendance identification system, includes: at least one terminal device, a server and at least one electronic class card; the at least one terminal device is used for acquiring student information of at least one student respectively and uploading the student information to the server, and the student information comprises: identity information and face feature information of the student; the server is used for storing the student information into a student database; and the target electronic class board is used for downloading target student information of a target class from the server when the target electronic class board is started, storing the target student information into a local database, and performing attendance identification on students of the target class according to the local database, wherein the target electronic class board is one of the at least one electronic class board. Compared with the prior art that a large number of students enter information through the same electronic class board, the students upload identity information and face feature information to at least one terminal device respectively and distribute information entering operation to the at least one terminal device, so that the information entering time is greatly shortened, and the information entering efficiency is improved. And the target electronic class board downloads the target student information of the corresponding class from the server, and because the quantity of the student information stored in the target electronic class board is small, the identification efficiency of the target electronic class board can be improved in the attendance identification process, and the accuracy of the identification result can be improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic structural diagram of a attendance identification system in an embodiment of the present application;
fig. 2 shows a schematic flow chart of the attendance identification method in the second embodiment of the present application.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
For the sake of understanding, a specific application scenario of the embodiment of the present application is first described below.
For example, an application scenario of the embodiment of the present application is as follows: the electronic class board is used for carrying out face recognition on students in a preset range, such as nationwide, and attendance checking is carried out through face recognition results. At least one terminal device is respectively in communication connection with a server, and the server is respectively in communication connection with at least one electronic class board.
Example one
An embodiment of the present application provides an attendance identification system, includes: at least one terminal device 10, a server 20 and at least one electronic class board 30;
the at least one terminal device 10 is configured to obtain student information of at least one student, and upload the student information to the server 20, where the student information includes: identity information and face feature information of the student.
The terminal device 10 may be an electronic device such as a smart phone or a computer, which is not limited in this embodiment. The quantity relationship between the terminal devices 10 and the students is that each terminal device 10 corresponds to at least one student, for example, one student uploads student information through the terminal device a, and a plurality of students uploads student information through the terminal device B. The at least one student can upload information to the at least one terminal device 10 and send information to the server 20 through the at least one terminal device 10, and the terminal device 10 acquires student information input by the student and uploads the student information to the server 20. The student information includes: the identity information and the face feature information of the students can distinguish each student according to the identity information. At least one student uploads information to at least one terminal equipment 10 respectively, and for a large number of students in the prior art, the information of the students is input through the same electronic class board 30, so that the time for inputting the characteristics is saved, and the efficiency for inputting the characteristics is improved.
The server 20 is configured to store the student information in a student database.
The server 20 is connected to the terminal device 10 and the electronic class board 30, and is capable of communicating with the terminal device 10 and the electronic class board 30.
The student database adopts a relational database, stores the student information in a structured mode, and has high reliability and stability. The server 20 stores student information of students in the student database, so as to manage the student information.
And the target electronic class board 30 is configured to download target student information of a target class from the server 20 when the target electronic class board is started, store the target student information in a local database, and perform attendance identification on students of the target class according to the local database, where the target electronic class board 30 is one of the at least one electronic class board 30.
The electronic class board 30 is an electronic device with a camera and a display screen, and is installed at the door of each class one to one, the camera is used for shooting the face of the student, after the face of the student is recognized by the electronic class board 30, the recognition result is displayed through the display screen, and the display screen is also used for displaying class information, such as the class to which the electronic class board 30 belongs, class appearance information of the class, announcement notification of the class, attendance information, class honor, class schedule, duty schedule, and the like.
Considering that the number of students in a whole school or even a whole country is huge, and the attendance time of the students is concentrated in a fixed period of time in the morning and evening, if the operation of attendance recognition for each student is placed at the server 20 as in the prior art, a great load pressure is applied to the server 20, so that the electronic device in the embodiment downloads the student information of the class corresponding to the electronic class card 30 from the server 20 when being started, and issues the attendance recognition operation to at least one electronic class card 30, thereby sharing the load pressure of the server 20.
In a specific implementation, the target electronic class board 30 downloads, from the server 20, target student information of a target class based on a hypertext transfer protocol (HTTP), where the target class is a class corresponding to the target electronic class board 30, and the target student information is student information of a whole class student of the target class. After downloading is completed, the target electronic class board 30 performs attendance identification on students of the target class according to the target student information, the number of the student information stored in the target electronic class board 30 is small and is only the number of students of one class, in the attendance identification process, the identification efficiency of the target electronic class board 30 can be improved, the accuracy of an identification result can be improved, and in the identification process, the target electronic class board 30 does not need to be connected with the server 20, so that the resource occupation of the server 20 is reduced.
The target electronic class board 30 performs attendance identification on the students of the target class according to the target student information, and includes: acquiring a current face image of a student to be checked in through a camera of the target electronic class board 30, and extracting current face feature information from the current face image; matching the current face feature information with the face feature information in the local database; and carrying out attendance record on the students to be examined successfully matched, and displaying the attendance record through the display screen. Of course, the student waiting for attendance who is not successfully matched is not considered to belong to one member in the target class, and at this time, the student waiting for attendance is not recorded. The target electronic class board 30 performs attendance identification on the students of the target class according to the local database, and further includes: judging whether the face feature information of the target student is unmatched in the local database within a preset time period; and if so, recording the absence of the attendance of the target student.
After the attendance recognition, the method further comprises the following steps: uploading the attendance record and the absence record to the server 20 so that a teacher or a parent can connect to the server 20 through an electronic device for viewing. By adopting the mode, parents can conveniently know the condition of the child in time, and teachers can conveniently supervise the condition of the student in the school in time.
In a possible implementation manner, the terminal device 10 is specifically configured to obtain identity information of a student, where the identity information includes: the area identification, school identification, class identification, name and school number to which the student belongs; the terminal device 10 is further configured to obtain face image information of the student, and extract face feature information of the student from the face image information. The school identification may specifically be an organization code of a school; the region identifier may be a region code of a region to which the school belongs; the class identification can be a class number specifically; the face image information may be a real-time shot picture or a past picture input by a student. The face feature information of the student extracted from the face image information is placed on the at least one terminal device 10, and the load pressure of the server 20 is shared.
In a possible embodiment, the server 20 is further configured to extract a region identifier, a school identifier, a class identifier, a name and a school number of the student from the identity information; determining the storage position of the student information in the student database according to the area identification, the school identification and the class identification of the student; and storing the name, the school number and the face feature information of the student to the storage position. The server 20 can systematically manage the identity information and the face feature information of at least one student by creating the student database, thereby improving the storage efficiency and the reading efficiency of the student information.
In a possible implementation manner, the target electronic class board 30 is further configured to send an information downloading request to the server 20 at the time of initial startup, where the information downloading request carries target identification information, and the target identification information includes a target area identifier, a target school identifier, and a target class identifier corresponding to a target class.
The server 20 is further configured to extract the target identification information from the information download request.
The server 20 is further configured to search, in the student database, target student information of the target class according to the target area identifier, the target school identifier, and the target class identifier, and send the target student information to the target electronic class board 30.
When the target electronic class board 30 is started for the first time, the target electronic class board 30 obtains a target area identifier, a target school identifier and a target class identifier according to a target class corresponding to the target electronic class board 30, generates an information downloading request according to the target area identifier, the target school identifier and the target class identifier, and sends the information downloading request to the server 20. The server 20 extracts a target area identifier, a target school identifier and a target class identifier from the information downloading request, searches target student information of the target class in the student database according to the target area identifier, the target school identifier and the target class identifier, and sends the target student information to the target electronic class board 30, so that the target electronic class board 30 performs attendance recognition on students of the target class according to the target student information, work of the attendance recognition is issued to the target electronic class board 30, and load pressure at the server 20 end is reduced.
Specifically, the server 20 sends a download address corresponding to a target compressed file to the target electronic class board 30, where the target compressed file includes the target student information, where the compressed file may be a zip file, a rar file, or the like, and the compressed file includes several json files, and each json file includes at most 2000 students' student information.
The downloading of the target student information of the target class from the server 20 and the storing of the target student information in the local database specifically includes: the target electronic class board 30 downloads the target compressed file from the server 20 by using an http protocol based on the download address, decompresses the target compressed file to obtain a plurality of json files, analyzes the json files to obtain the target student information, and stores the target student information in a local database. The decompression process can set the number of the student information read each time according to the size of the memory of the electronic class board 30, the electronic class board 30 with large memory can read more student information once, and the electronic class board 30 with small memory can only read less student information once, and the reading process does not need to be connected with the server 20 and is not influenced by the server 20.
In a possible embodiment, the target electronic class card 30 is further configured to inquire the server 20 whether the target class has new student information according to the target identification information.
The server 20 is further configured to determine whether the target class has new student information through the student database, and if the target class has new student information, send the new student information to the target electronic class board 30.
The target electronic class board 30 is further configured to update a local database according to the newly added student information, and perform attendance identification on the students of the target class based on the updated local database.
After the target electronic class board 30 downloads the target student information of the target class from the server 20, there may be a situation that some students upload the student information through their terminal devices 10, or a situation that a new student changes to the target class and uploads the student information, in order to avoid that the students cannot be checked on the attendance identification, when the target electronic class board 30 is started each time, the server 20 is inquired whether the target class has the newly added student information according to the target identification information, that is, the target area identification, the target school identification and the target class identification. The server 20 determines whether the target class has new student information through the student database, and sends the new student information to the target electronic class board 30 when the target class has the new student information. The target electronic class board 30 updates the local database according to the newly-added student information, and performs attendance identification on the students of the target class based on the updated local database, so that no student is omitted when attendance is performed, and the practicability of the attendance system is improved.
In a specific implementation, when the target electronic class board 30 inquires the server 20 whether the target class has new student information, the server 20 sends the first student number of the target class stored in the local database of the target electronic class board 30 to the server 20, and the server 20 compares the received first student number with the second student number of the target class stored in the server 20 to obtain a comparison result. If the number of second students in the server 20 is greater than the number of first students stored in the electronic class board 30, the obtained comparison result indicates that new student information exists in the server 20, and if the number of second students in the server 20 is equal to the number of first students stored in the electronic class board 30, the obtained comparison result indicates that no new student information exists in the server 20. The target electronic shift board 30 obtains new student information from the server 20, specifically, obtains new student information from the server 20 based on a message queue telemetry transport protocol (MQTT).
One or more technical solutions in the embodiments of the present application have at least the following technical effects or advantages:
the application provides an attendance identification system, includes: at least one terminal device, a server and at least one electronic class card; the at least one terminal device is used for acquiring student information of at least one student respectively and uploading the student information to the server, and the student information comprises: identity information and face feature information of the student; the server is used for storing the student information into a student database; and the target electronic class board is used for downloading target student information of a target class from the server when the target electronic class board is started, storing the target student information into a local database, and performing attendance identification on students of the target class according to the local database, wherein the target electronic class board is one of the at least one electronic class board. Compared with the prior art that a large number of students enter information through the same electronic class board, the students upload identity information and face feature information to at least one terminal device respectively and distribute information entering operation to the at least one terminal device, so that the information entering time is greatly shortened, and the information entering efficiency is improved. And the target electronic class board downloads the target student information of the corresponding class from the server, and because the quantity of the student information stored in the target electronic class board is small, the identification efficiency of the target electronic class board can be improved in the attendance identification process, and the accuracy of the identification result can be improved.
Example two
Based on the same inventive concept, the second embodiment of the application provides an attendance identification method, which is applied to an attendance identification system, wherein the system comprises at least one terminal device, a server and at least one electronic class card; the method comprises the following steps:
step S10: the at least one terminal device respectively acquires student information of at least one student and uploads the student information to the server, and the student information comprises: identity information and face feature information of the student;
step S20: the server stores the student information into a student database;
step S30: when the target electronic class board is started, target student information of a target class is downloaded from the server, the target student information is stored in a local database, attendance identification is carried out on students of the target class according to the local database, and the target electronic class board is one of the at least one electronic class board.
In one possible embodiment, the identity information includes: the area identification, school identification, class identification, name and school number to which the student belongs.
In one possible embodiment, the server stores the student information in a student database, including:
the server extracts the area identification, the school identification, the class identification, the name and the school number of the student from the identity information, determines the storage position of the student information in the student database according to the area identification, the school identification and the class identification of the student, and stores the name, the school number and the face feature information of the student to the storage position.
In one possible embodiment, the target electronic class card downloads target student information of a target class from the server at startup, and the target student information comprises:
when the target electronic class board is started for the first time, sending an information downloading request to the server; the information downloading request carries target identification information, and the target identification information comprises a target area identification, a target school identification and a target class identification which correspond to a target class;
the server extracts the target identification information from the information downloading request;
and the server searches target student information of the target class in the student database according to the target area identification, the target school identification and the target class identification, and sends the target student information to the target electronic class board.
In one possible embodiment, the target student information further comprises: newly added student information;
when the target electronic class board is started, target student information of a target class is downloaded from the server, and the method further comprises the following steps:
the target electronic class board inquires the server whether the target class has newly added student information or not according to the target identification information;
the server judges whether the target class has newly added student information or not through the student database, and if the target class has the newly added student information, the newly added student information is sent to the target electronic class board;
and the target electronic class board updates the local database according to the newly added student information, and performs attendance identification on the students of the target class based on the updated local database.
One or more technical solutions in the embodiments of the present application have at least the following technical effects or advantages:
the application provides an attendance identification method, which comprises the following steps: the at least one terminal device respectively acquires student information of at least one student and uploads the student information to the server, and the student information comprises: identity information and face feature information of the student; the server stores the student information into a student database; when the target electronic class board is started, target student information of a target class is downloaded from the server, the target student information is stored in a local database, attendance identification is carried out on students of the target class according to the local database, and the target electronic class board is one of the at least one electronic class board. Compared with the prior art that a large number of students enter information through the same electronic class board, the students upload identity information and face feature information to at least one terminal device respectively and distribute information entering operation to the at least one terminal device, so that the information entering time is greatly shortened, and the information entering efficiency is improved. And the target electronic class board downloads the target student information of the corresponding class from the server, and because the quantity of the student information stored in the target electronic class board is small, the identification efficiency of the target electronic class board can be improved in the attendance identification process, and the accuracy of the identification result can be improved.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the application may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the application, various features of the application are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: this application is intended to cover such departures from the present disclosure as come within known or customary practice in the art to which this invention pertains. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this application.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Moreover, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The various component embodiments of the present application may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. It will be appreciated by those skilled in the art that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functions of the attendance recognition apparatus, the electronic shift board, and some or all of the components of the attendance recognition system according to embodiments of the present application. The present application may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present application may be stored on a computer readable medium or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the application, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The application may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
Claims (10)
1. An attendance identification system, comprising: at least one terminal device, a server and at least one electronic class card;
the at least one terminal device is used for acquiring student information of at least one student respectively and uploading the student information to the server, and the student information comprises: identity information and face feature information of the student;
the server is used for storing the student information into a student database;
and the target electronic class board is used for downloading target student information of a target class from the server when the target electronic class board is started, storing the target student information into a local database, and performing attendance identification on students of the target class according to the local database, wherein the target electronic class board is one of the at least one electronic class board.
2. The system of claim 1, wherein the identity information comprises: the area identification, school identification, class identification, name and school number to which the student belongs.
3. The system of claim 2, wherein the server is further configured to extract a zone identifier, a school identifier, a class identifier, a name, and a school number of the student from the identity information; determining the storage position of the student information in the student database according to the area identification, the school identification and the class identification of the student; and storing the name, the school number and the face feature information of the student to the storage position.
4. The system of any one of claims 1-3, wherein the target electronic shift board is further configured to send an information download request to the server upon initial start-up; the information downloading request carries target identification information, and the target identification information comprises a target area identification, a target school identification and a target class identification which correspond to a target class;
the server is further used for extracting the target identification information from the information downloading request;
the server is further used for searching target student information of the target class in the student database according to the target area identification, the target school identification and the target class identification, and sending the target student information to the target electronic class board.
5. The system of claim 4, wherein the target electronic class card is further configured to query the server for information about students added to the target class according to the target identification information;
the server is further used for judging whether the target class has newly added student information through the student database, and if the target class has the newly added student information, the newly added student information is sent to the target electronic class board;
and the target electronic class board is also used for updating the local database according to the newly added student information and carrying out attendance identification on the students of the target class based on the updated local database.
6. An attendance identification method is characterized by being applied to an attendance identification system, wherein the system comprises at least one terminal device, a server and at least one electronic class card; the method comprises the following steps:
the at least one terminal device respectively acquires student information of at least one student and uploads the student information to the server, and the student information comprises: identity information and face feature information of the student;
the server stores the student information into a student database;
when the target electronic class board is started, target student information of a target class is downloaded from the server, the target student information is stored in a local database, attendance identification is carried out on students of the target class according to the local database, and the target electronic class board is one of the at least one electronic class board.
7. The method of claim 6, wherein the identity information comprises: the area identification, school identification, class identification, name and school number to which the student belongs.
8. The system of claim 7, wherein the server stores the student information in a student database, comprising:
the server extracts the area identification, the school identification, the class identification, the name and the school number of the student from the identity information, determines the storage position of the student information in the student database according to the area identification, the school identification and the class identification of the student, and stores the name, the school number and the face feature information of the student to the storage position.
9. The system of any one of claims 6-8, wherein the target electronic class card, upon activation, downloads target student information for a target class from the server, comprising:
when the target electronic class board is started for the first time, sending an information downloading request to the server; the information downloading request carries target identification information, and the target identification information comprises a target area identification, a target school identification and a target class identification which correspond to a target class;
the server extracts the target identification information from the information downloading request;
and the server searches target student information of the target class in the student database according to the target area identification, the target school identification and the target class identification, and sends the target student information to the target electronic class board.
10. The system of claim 9, wherein the target student information further comprises: newly added student information;
when the target electronic class board is started, target student information of a target class is downloaded from the server, and the method further comprises the following steps:
the target electronic class board inquires the server whether the target class has newly added student information or not according to the target identification information;
the server judges whether the target class has newly added student information or not through the student database, and if the target class has the newly added student information, the newly added student information is sent to the target electronic class board;
and the target electronic class board updates the local database according to the newly added student information, and performs attendance identification on the students of the target class based on the updated local database.
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