Student reverse sign-in system
A student and reverse technology, applied in the information field, can solve problems such as misjudgment of the face recognition module, inconvenient use, and impact on user satisfaction, and achieve the effect of avoiding sound interference and improving accuracy
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Embodiment 1
[0042] Such as figure 1 As shown, a reverse sign-in system for students includes a student mobile phone terminal, a teacher mobile terminal, and a server; wherein, the server includes a request forwarding module, a database, an analysis module, a processing module, and an output module; both the student mobile phone terminal and the teacher mobile phone terminal use Huawei P30 Pro, the server is Dell EMC PowerEdge R240 rack server.
[0043] The teacher's mobile phone terminal is used for the teacher to initiate a classroom roll call request;
[0044] The student mobile phone terminal is used for students to passively sign in to the classroom roll call request initiated by the teacher's mobile phone terminal, and generate passive sign-in information; the passive sign-in information includes the student's passive sign-in time information, passive sign-in location information and student personal information; and in the passive sign-in Perform reverse check-in before, generate r...
Embodiment 2
[0054] Compared with Embodiment 1, the only difference is that in this embodiment, the student’s mobile phone terminal is also used to collect the current sound information of the student, and the sound preprocessing module is used to perform noise reduction processing on the current sound information; specifically, this embodiment The noise reduction process uses Cool Edit audio processing software, which has a mature audio noise reduction function. This technology is an existing technology and will not be repeated here; Based on receiving and processing the current voice information according to the historical voice information, if the current voice information is the same as the historical voice information, it is judged that the current sign-in student is the person; otherwise, if the current voice information is different from the historical voice information, an alarm message is generated and the Alarm information and student personal information are sent to the teacher's...
Embodiment 3
[0057] Compared with Embodiment 1, the only difference is that the student's mobile phone is also used to collect the current face image information of the students through the built-in camera, and integrate the current face image information of each student according to the student's personal information to generate a total face image information. The face image information is stored in the database; the database is also used to pre-store the historical face image information of the students; the processing module is also used to receive and process the current face image information according to the historical face image information, if the current face image information is different from the historical image information If the information is the same, it is judged that the current sign-in student is himself; on the contrary, if the current face image information is different from the historical face image information, it is judged whether there are two identical current face ...
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