CN216014325U

CN216014325U - Classroom roll call device based on face identification

Info

Publication number: CN216014325U
Application number: CN202122798757.8U
Authority: CN
Inventors: 韩月娟
Original assignee: Suzhou University
Current assignee: Suzhou University
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-03-11
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a classroom roll call device based on face recognition, which comprises a hollow box body, wherein the front side of the box body is provided with a camera for collecting face images, the box body is internally provided with a mainboard and a power module, and the front side of the box body is provided with a fingerprint input module; the main board is provided with a wireless network card, a storage unit, an image recognition module for face recognition and a processing unit; the back of the box body is provided with a plurality of suckers. The utility model has the advantages that: the camera can be rotated by the steering engine to acquire an image at a large angle on site, and the fingerprint of a teacher is identified by the fingerprint module to confirm the identity of the teacher; the device is provided with an HDMI connector, so that the device can be conveniently connected with a multimedia display screen blackboard which is widely used in a classroom; the blackboard can be conveniently attached to the blackboard through the sucker, so that the height of the camera is increased, and images are better collected.

Description

Classroom roll call device based on face identification

Technical Field

The utility model relates to a thing networking field especially relates to a classroom roll call device based on face identification.

Background

The attendance and roll call are a common way for teachers to ensure the teaching quality, especially in schools with high employment, middle school and special schools and the like; the student can be free and free to leave class due to the fact that the student frequently calls the name of the student in class. However, the traditional roll calling mode not only wastes more teaching time of teachers and reduces teaching efficiency, but also is difficult to avoid the situation that other people answer instead. With the progress of the face recognition technology, it is a mature technology in the industry to perform face recognition by shooting a face image and extracting facial features. The face recognition technology is adopted in a related mode, the identity of a student in a classroom is confirmed, and the technology for replacing a teacher to roll a roll call is realized. Related devices for realizing roll calling are also researched; how to improve and design a portable and easy-to-use roll call device based on the mature face recognition technology is a technical problem to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable, easy-to-use classroom roll call device based on face identification.

In order to achieve the above object, the utility model provides a following technical scheme:

the classroom roll call device based on face recognition is provided, and comprises a hollow box body, wherein a camera for collecting face images is arranged on the front side of the box body, a main board and a power supply module for supplying power to the main board are arranged in the box body, and a fingerprint input module is arranged on the front side of the box body; the main board is provided with a wireless network card, a storage unit, an image recognition module for face recognition and a processing unit; the image identification module, the storage unit, the processing unit and the wireless network card are mutually connected through a printed circuit on the mainboard; the main board is provided with a flat cable interface connected with the printed circuit, and the fingerprint input module is connected with the flat cable interface through a flat cable; the back of the box body is provided with a plurality of suckers.

Preferably, the box body is provided with an on-off key connected with the mainboard.

Preferably, the box body is provided with an LED for light supplement.

Preferably, the power module is a rechargeable battery.

Preferably, the power module comprises a power panel, a power interface for connecting direct current is arranged on the power panel, and the power panel is connected with the main board and the power module.

Preferably, a steering engine is rotatably arranged on the box body, and the camera is arranged on the steering engine.

Preferably, the USB interface further comprises a data line connected with the mainboard, and an HDMI connector is arranged at the free end of the data line.

The utility model has the advantages that: the camera is rotated through the steering engine to acquire large-angle images on site, and the acquired images confirm the identities of students through the mature face recognition technology at present, so that roll calling is realized, and the roll calling efficiency and accuracy are greatly improved. In addition, the fingerprint of the teacher is identified through the fingerprint module, and the identity of the teacher is confirmed, so that classroom and course information can be acquired from a post-education management system of a school, and roll calling operation is performed in a matching manner; the intelligent classroom monitoring system is provided with the HDMI connector, and is conveniently connected with a multimedia display screen blackboard which is widely used in classrooms, so that pictures and identity information collected by a camera are displayed on a display screen, the attention of students is improved, and the attendance rate is reduced; the blackboard can be conveniently attached to the blackboard through the sucker, so that the height of the camera is increased, and images are better collected.

Drawings

Fig. 1 is a schematic perspective view of a classroom roll call device based on face recognition according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a back side of a classroom roll call device based on face recognition according to an embodiment of the present invention;

fig. 3 is a schematic diagram of the present invention.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to fig. 3, the classroom roll call device based on face recognition of the present invention includes a hollow box body 10 and a camera 12 for collecting face images. A main board 14 and a power supply module 16 for supplying power to the main board 14 are arranged in the box body 10, and a fingerprint input module 18 for inputting the fingerprint information of the teacher is arranged on the back surface of the box body 10. The main board 14 is provided with a wireless network card 20 for connecting to a school backend server, so that the identity of a teacher can be quickly confirmed from the school backend server according to fingerprint information input by the teacher, course information including classroom information, the number of students, the identity and other information can be downloaded, a storage unit 22 for storing the information downloaded from the backend server, and an image recognition module 24 for performing face recognition on a face image acquired by the camera 12 according to the information stored in the storage unit 22. The image recognition module 24 is a very mature technology at present, and can be selected as required.

The image recognition module 24, the storage unit 22, the processing unit 36 and the wireless network card 20 are connected with each other through a printed circuit (not shown) on the main board 14; the main board 14 is provided with a flat cable interface (not shown) for connecting a printed circuit, and the fingerprint input module 18 is connected to the image recognition module 24, the storage unit 22, the processing unit 36, the wireless network card 20, and the like by connecting the flat cable interface with a flat cable (not shown). The main board 14 is connected by a flat cable, so that the assembly is convenient.

The storage unit 22 may be a hard disk or a memory card, and the image recognition module 24 is a well-established technology at present, and the related processing modes are very many. For example, it uses some algorithm to obtain a face image from a photo, and calculates the feature codes in the obtained face image according to the features of the facial features, such as five sense organs. The background server stores the identity information and head portrait of the student and the course information in advance, including the course time, classroom, teacher giving lessons, students attending lessons, etc., which are the existing or common system data. The facial features in the student head portrait can be calculated by the same algorithm, so that feature codes in the facial features can be obtained. By comparing the feature codes, the identity information of the students can be obtained, so that whether the students are in the classroom or not is confirmed, and the purpose of calling in class is achieved. The relevant technique is many, and the discernment reliability is also very high, the utility model discloses can choose for use as required for use can. The image recognition module 24 may also adopt a single chip microcomputer or a CPU which is already mature at present as the processing unit 36, and execute the recognition function under the support of a corresponding operating system, or integrate a mature recognition module, which is a technology mature in the field and is not the innovation point of the present invention. The storage unit 22 of the invention is matched with the existing student management system of the school, the head portrait and the identity information of the student are not required to be recorded in advance, the identity of the teacher can be confirmed from the background server only after the teacher presses and inputs the fingerprint, and the head portrait and the identity information of the corresponding student listening to the class are downloaded for face recognition, so that the workload of the teacher is simplified, the storage space of the storage unit 22 is saved, and the condition that the student is confused and the equipment is opened for point name registration is avoided.

The camera is characterized by further comprising a steering engine 28, the camera 12 is arranged on the steering engine 28 and is driven by the steering engine 28 to rotate, and the steering engine 28 and the camera 12 are connected with a printed circuit of the main board 14 through cables. The steering engine 28 automatically scans 180 ° to acquire images in the classroom in all directions. The steering engine 28 can be purchased as required, such as Orthon RB-13K 070.

The box 10 is provided with a switch key 30 connected with the main board 14. By pressing the on-off key 30, one-key start-up is achieved.

The box body 10 is provided with an LED 32 for light supplement.

The power module 16 is a rechargeable battery. This makes the utility model discloses the volume is less, conveniently carries.

The power module 16 includes a power board 34, a power interface for connecting direct current is disposed on the power board 34, and the power board 34 connects the main board 14 and the rechargeable battery. The power supply board 34 can directly supply power and charge the rechargeable battery.

The three suction cups 46 are provided on the rear surface of the case body 10, and the suction cups 46 facilitate the teacher to fix the case body 10 at a higher position of the blackboard or wall, thereby obtaining a better photographing angle. After a teacher goes a class, the teacher can take away the box body 10, and the box is convenient and portable and is prevented from being manually damaged when staying in a classroom.

The USB socket also comprises a data line 48 connected with the mainboard 14, and an HDMI connector 50 is arranged at the free end of the data line 48. The HDMI connector 50 can be directly connected to a multimedia large screen in a classroom, so that an image collected by a camera can be directly displayed on the multimedia large screen, and a roll call result can be displayed to remind students to head up and enhance the roll call effect.

In some embodiments, speakers 44 are disposed on both sides of the case 10, and a sound card is disposed on the main board 14 and connected to the speakers 44. When the loudspeaker 44 is started, the sound is given out to remind students to raise heads, and the students are matched with photographing and roll calling, so that the workload of teachers is reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a classroom roll call device based on face identification, it includes a hollow box body, the front of box body is provided with a camera that is used for gathering face image, set up a mainboard in the box body and give the power module of mainboard power supply, its characterized in that: the front side of the box body is provided with a fingerprint input module; the main board is provided with a wireless network card, a storage unit, an image recognition module for face recognition and a processing unit; the image identification module, the storage unit, the processing unit and the wireless network card are mutually connected through a printed circuit on the mainboard; the main board is provided with a flat cable interface connected with the printed circuit, and the fingerprint input module is connected with the flat cable interface through a flat cable; the back of the box body is provided with a plurality of suckers.

2. The class roll call device based on face recognition according to claim 1, wherein: the box body is provided with an on-off key connected with the mainboard.

3. The class roll call device based on face recognition according to claim 1, wherein: and the box body is provided with an LED for supplementing light.

4. The class roll call device based on face recognition according to claim 1, wherein: the power module is a rechargeable battery.

5. The classroom roll call device based on face recognition according to claim 4, wherein: the power module comprises a power panel, a power interface connected with direct current is arranged on the power panel, and the power panel is connected with the mainboard and the power module.

6. The class roll call device based on face recognition according to claim 1, wherein: the box body is rotatably provided with a steering engine, and the camera is arranged on the steering engine.

7. The class roll call device based on face recognition according to claim 1, wherein: the USB interface module further comprises a data line connected with the mainboard, and an HDMI connector is arranged at the free end of the data line.