1. An attendance checking method based on face recognition and RFID double attendance is characterized by comprising a face recognition system (1), an RFID information acquisition and processing system (2) and an attendance checking system (3), wherein the face recognition system (1) is used for acquiring face information of attendance checking personnel and recognizing the face information, and the RFID information acquisition and processing system (2) is used for acquiring personal information of the attendance checking personnel and matching the face recognition system (1) to perform supplementary recognition on data which is not captured by the face recognition system (1); the attendance system (3) is used for receiving and processing an identification signal sent by the face recognition system (1) or the RFID information acquisition and processing system (2), recording an attendance log, pushing attendance information, and preferentially processing information of the face recognition system (1) as attendance information basis under the condition that the face recognition system (1) and the RFID information acquisition and processing system (2) simultaneously acquire personnel information data;

the face recognition system (1) is a face recognition camera arranged at the entrance and the exit of a school doorway branch pipe, and comprises a face data acquisition unit (11) and a personnel data comparison unit (12); the RFID information acquisition and processing system (2) comprises an RFID base station and an RFID card, the RFID card is used for inputting personal information of attendance personnel and is carried along with sound by corresponding attendance personnel, and the RFID base station is used for receiving signals actively sent by the RFID card and identifying the signals.

2. The attendance method based on face recognition and RFID dual attendance as claimed in claim 1, wherein the face data acquisition unit (11) comprises face snapshot (111), picture sharpness check (112) and repeated information filtering (113);

the personnel data comparison unit (12) comprises a threshold control unit (121) and a personnel information acquisition unit (122).

3. The attendance method based on face recognition and RFID dual attendance is characterized in that the RFID base station is set as an in-school base station and an out-school base station according to whether the RFID base station is in the school and signals of the in-school base station and the out-school base station are not overlapped, the in-school base station reads an RFID card signal to indicate that the attendance person enters a school, and the out-school base station reads an RFID card signal to indicate that the attendance person leaves the school.

4. The attendance method based on face recognition and RFID dual attendance as claimed in claim 1, wherein the RFID card is provided with a power supply and integrates functions of a school internal meal card, a supermarket shopping card, a water card and an electric card.

5. The attendance checking method based on face recognition and RFID dual attendance checking as claimed in claim 1, wherein the face snapshot (111) is performed to perform data push after the face information is snapshot, the picture sharpness verification (112) is performed to verify the pushed data, a hardware acquisition server performs preliminary data screening to filter the photo information with low human image blur recognition rate, the repeated information filtering (113) acquires the matching degree of the current face and the person through a face server, and if the threshold value is within a set range and the same person has processed attendance checking within a time period, the flow is ended.

6. The attendance checking method based on face recognition and RFID dual attendance checking according to claim 1, wherein the RFID base station performs information pushing after collecting information, and the system server performs verification filtering on data.

7. The attendance checking method based on face recognition and RFID dual attendance checking according to claim 1, wherein the face recognition system (1) and the RFID information acquisition processing system (2) call the attendance checking system to perform attendance checking judgment after data verification filtering processing is completed.

8. The attendance method based on face recognition and RFID dual attendance as claimed in claim 2, wherein the repeated information filtering (113) maintains a data set of face information, acquisition time and specific picture information in the acquisition server, and has an automatic overtime data removal function, and can remove data exceeding the acquisition time by 30 seconds according to setting; after the server acquires the picture, firstly acquiring primary face information, then comparing the acquired face information with data in a data set, and if the current information is found to exist in the data set, discarding the current data without performing subsequent processing; and if the current picture information data does not exist, recording the current picture information data into a data set and sending the current picture information data to a subsequent attendance cloud server for processing.

9. The attendance method based on face recognition and RFID double attendance as claimed in claim 2, wherein the threshold value of the threshold value control (121) is set by an operator according to different scenes to be a minimum comparison value.

10. The attendance method based on face recognition and RFID dual attendance as claimed in claim 2, wherein the personnel information acquisition (122) is provided with face recognition service by a third party face recognition (SDK);

the information push data object sequence collected by the RFID base station is converted into a JSON format and then transmitted, and the information push data object sequence comprises information of a received signal base station, the serial number of an RFID card, the receiving time and the like;

the information collected by the RFID base station is subjected to delayed processing, when an attendance person enters the face camera and is identified, the attendance person enters the attendance system for processing, whether the current attendance person finishes attendance is detected after the RFID attendance signal is delayed, if the face attendance is finished, the current information is not processed, and if not, an RFID attendance flow is triggered;

the attendance system (3) comprises an attendance configuration unit (31), a data receiving unit (32) and a data pushing unit (33).

Background

The prior art is a single school attendance checking mode based on a face recognition technology, and due to the particularity of face recognition, the face information of students needs to be captured as much as possible and the shielding of the face is reduced as much as possible when the recognition rate is improved; however, in the large environment of the current school, students always have paddling and alarming when going to school and getting out of school, the front face characteristics are probably not captured at this time, and meanwhile, due to weather influences, the students can shield the front face when wearing a hat and a scarf in winter including umbrella-playing and raincoat-wearing in rainy days, and the face recognition rate at this moment is very low.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an attendance checking method based on face recognition and RFID double attendance checking, which is carried out in a mode of mainly face recognition attendance checking and assisting RFID attendance checking.

The technical solution of the invention is as follows:

an attendance checking method based on face recognition and RFID double attendance checking comprises a face recognition system, an RFID information acquisition and processing system and an attendance checking system, wherein the face recognition system is used for acquiring face information of attendance checking personnel and recognizing the face information, and the RFID information acquisition and processing system is used for acquiring personal information of the attendance checking personnel and matching the face recognition system to perform supplementary recognition on data which is not captured by the face recognition system; the attendance system is used for receiving and processing the identification signal sent by the face recognition system or the RFID information acquisition and processing system, recording attendance logs and pushing attendance information, and preferentially processing the information of the face recognition system as attendance information basis under the condition that the face recognition system and the RFID information acquisition and processing system simultaneously acquire personnel information data;

the face recognition system is a face recognition camera arranged at the entrance of the school and used for respectively managing entrance and exit, and comprises a face data acquisition unit and a personnel data comparison unit; the RFID information acquisition and processing system comprises an RFID base station and an RFID card, the RFID card is used for inputting personal information of attendance personnel and is carried by corresponding attendance personnel along with sound, and the RFID base station is used for receiving signals actively sent by the RFID card and identifying the signals.

It is worth mentioning that the combined attendance scheme is mainly performed by face recognition attendance and is performed in an auxiliary mode by RFID attendance, firstly, after a face recognition camera catches the face of an attendance person, attendance statistics is performed, meanwhile, after the attendance person carries an RFID card, attendance statistics is also performed, taking 100 attendance persons as an example, when the face recognition camera recognizes 95 persons and the RFID also recognizes 95 persons, firstly, the 95 persons mark the checked attendance, the remaining 5 persons which are not recognized by the face recognition camera are searched in the 95 persons recognized by the RFID, the searched persons also mark the checked attendance and skip the unmarked persons, so that the attendance rate is improved.

Preferably, the face data acquisition unit comprises face snapshot, picture definition verification and repeated information filtering; the personnel data comparison unit comprises threshold control and personnel information acquisition.

Preferably, the RFID base station is set as an in-school base station and an out-school base station according to whether the RFID base station is in the school or not, signals of the in-school base station and the out-school base station are not overlapped, when the in-school base station reads the RFID card signal, the attendance person enters the school, and when the out-school base station reads the RFID card signal, the attendance person leaves the school;

the school base station of the RFID base station is arranged at each teaching building, one at the playground position and one at the security room position of the school gate; the base station outside the school of the RFID base station 2 is provided with one base station at each of four intersections around the school, the base station setting mode is only a better setting mode, other layout modes can be set in a targeted mode according to the geographical position and the layout condition of the school, and the purpose is to receive signals sent by the RFID cards of all attendance personnel inside the school as far as possible.

Preferably, the RFID card is provided with a power supply, and integrates functions of a school internal meal card, a supermarket shopping card, a water card and an electric card; the RFID card can actively send signals, 2 times of attendance checking are carried out by means of base stations installed inside and outside a school, the check is identified as long as the RFID card is received by the inside base station, and the check is identified as long as the RFID card is received by the outside base station; the un-scared data is identified in the RFID card identification library, so that the overall identification rate is improved.

Preferably, the face information is captured and then pushed, the pushed data is verified through the picture definition verification, a hardware acquisition server conducts preliminary data screening, the photo information with low human image fuzzy recognition rate is filtered, the repeated information filtering obtains the matching degree of the current face and the personnel through a face server, and if the threshold value is within a set range and the attendance check of the same personnel is already processed in a time period, the flow is ended.

Preferably, the information is pushed after the RFID base station collects the information, and the system server checks and filters the data.

Preferably, the face recognition system and the RFID information acquisition and processing system call an attendance system to perform attendance judgment after data verification and filtering processing is completed.

Preferably, the repeated information filtering maintains a face information, acquisition time and a specific picture information data set in the acquisition server, and has an automatic overtime data removing function, so that data exceeding the acquisition time by 30 seconds can be removed according to setting; after the server acquires the picture, firstly acquiring primary face information, then comparing the acquired face information with data in a data set, and if the current information is found to exist in the data set, discarding the current data without performing subsequent processing; and if the current picture information data does not exist, recording the current picture information data into a data set and sending the current picture information data to a subsequent attendance cloud server for processing.

Preferably, the threshold value for the threshold value control is set by an operator according to different scenes, and if the threshold value is 60%, the comparison similarity between certain face information and the face database exceeds 60%.

Preferably, the person information acquisition is provided by a third party face recognition SDK.

Preferably, the information push data object acquired by the RFID base station is serialized into a JSON format and then transmitted, including information of the received signal base station, the serial number of the RFID card, the receiving time, and the like.

Preferably, the face recognition and the RFID are complementary, the face recognition is mainly carried out, the RFID card is used as a basis under the condition that the face is not recognized, due to the fact that RFID signals have the characteristic of large action range, the information collected by the RFID base station is subjected to delayed processing, when an attendance person enters the face camera and is recognized, the attendance person enters the attendance system for processing, whether the attendance of the current attendance person is finished or not is detected after the RFID attendance signals are delayed, if the face attendance is finished, the current information is not processed, and if the face attendance is not finished, the RFID attendance flow is triggered.

As another preferable mode, the attendance system comprises an attendance configuration unit, a data receiving unit and a data pushing unit, wherein the data receiving unit receives data, records information, processes leave requests and pushes the data, and then performs data statistics; the data pushing unit pushes attendance checking time and photo information;

the attendance configuration unit comprises the time of going to school (on duty), the time of leaving school (off duty) and the time of holidays (non attendance).

The invention has the beneficial effects that:

the invention adds a special RFID technology on the basis of the existing face recognition attendance technology, and gives an RFID card to students, wherein the RFID card is provided with a power supply and can actively send signals, secondary attendance is carried out by means of base stations installed in a school and outside the school, the RFID card is recognized to the school as long as the RFID card is received by the base station in the school, and the information is received by the base station outside the school, so that the school is recognized; identifying the data which are not scared in the RFID card identification library so as to improve the overall identification rate; the combined attendance checking scheme is mainly carried out in a mode of face recognition attendance checking and RFID attendance checking as assistance, firstly, after a face of an attendance checking person is captured by a face recognition camera, attendance checking statistics is carried out, meanwhile, the attendance checking person also carries an RFID card and then starts attendance checking statistics, retrieval is carried out in the person recognized by the RFID, the retrieved person is also marked with attendance checking, and the person is not marked with skipping, so that the attendance checking rate is improved.

In conclusion, the invention has the advantages of high attendance accuracy, high attendance efficiency and the like, and is particularly suitable for the technical field of attendance equipment.

Drawings

The invention is further described below with reference to the accompanying drawings:

FIG. 1 is a tree diagram of each module of an attendance checking method based on face recognition and RFID dual attendance checking;

FIG. 2 is a system work flow chart of an attendance checking method based on face recognition and RFID dual attendance checking;

fig. 3 is a sub-flowchart of attendance information processing;

fig. 4 is a schematic layout diagram of an RFID base station.

The specific implementation mode is as follows:

the technical scheme in the embodiment of the invention is clearly and completely explained by combining the attached drawings.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

Example one

As shown in fig. 1 to 3, an attendance method based on face recognition and RFID dual attendance includes a face recognition system 1, an RFID information acquisition and processing system 2, and an attendance system 3, where the face recognition system 1 is configured to acquire face information of an attendance person and recognize the face information, and the RFID information acquisition and processing system 2 is configured to acquire personal information of the attendance person and cooperate with the face recognition system 1 to perform supplementary recognition on data that is not captured by the face recognition system 1; the attendance system 3 is used for receiving and processing the identification signal sent by the face recognition system 1 or the RFID information acquisition and processing system 2, recording an attendance log and pushing attendance information, and preferentially processing the information of the face recognition system 1 as an attendance information basis under the condition that the face recognition system 1 and the RFID information acquisition and processing system 2 simultaneously acquire personnel information data;

the face recognition system 1 is a face recognition camera arranged at the entrance of a school and used for respectively managing entrance and exit, and comprises a face data acquisition unit 11 and a personnel data comparison unit 12; the RFID information acquisition and processing system 2 comprises an RFID base station and an RFID card, the RFID card is used for inputting personal information of attendance personnel and is carried by corresponding attendance personnel along with sound, and the RFID base station is used for receiving signals actively sent by the RFID card and identifying the signals.

It is worth mentioning that the combined attendance scheme is mainly performed by face recognition attendance and is performed in an auxiliary mode by RFID attendance, firstly, after a face recognition camera catches the face of an attendance person, attendance statistics is performed, meanwhile, after the attendance person carries an RFID card, attendance statistics is also performed, taking 100 attendance persons as an example, when the face recognition camera recognizes 95 persons and the RFID also recognizes 95 persons, firstly, the 95 persons mark the checked attendance, the remaining 5 persons which are not recognized by the face recognition camera are searched in the 95 persons recognized by the RFID, the searched persons also mark the checked attendance and skip the unmarked persons, so that the attendance rate is improved.

Further, the face data acquisition unit 11 includes a face snapshot 111, a picture sharpness check 112, and a repeated information filter 113;

the personnel data comparison unit 12 includes a threshold control 121 and a personnel information acquisition 122.

Further, the RFID base station is set as an intra-school base station and an extra-school base station according to whether the RFID base station is in the school or not, signals of the intra-school base station and the extra-school base station are not overlapped, when the intra-school base station reads the RFID card signal, the attendance person enters the school, and when the extra-school base station reads the RFID card signal, the attendance person leaves the school.

Furthermore, the RFID card is provided with a power supply, and integrates functions of a school internal meal card, a supermarket shopping card, a water card and an electric card; the RFID card can actively send signals, 2 times of attendance checking are carried out by means of base stations installed inside and outside a school, the check is identified as long as the RFID card is received by the inside base station, and the check is identified as long as the RFID card is received by the outside base station; the un-scared data is identified in the RFID card identification library, so that the overall identification rate is improved

Further, the face snapshot 111 carries out data pushing after the face information is snapshot, the image definition verification 112 verifies pushed data, a hardware acquisition server carries out preliminary data screening to filter photo information with low face fuzzy recognition rate, the repeated information filtering 113 obtains the matching degree of the current face and people through a face server, and if the threshold value is within a set range and the same person has already processed attendance within a time period, the flow is ended.

Furthermore, the RFID base station carries out information pushing after information is collected, and the system server carries out verification and filtering on data.

Further, the face recognition system 1 and the RFID information acquisition processing system 2 call an attendance system to perform attendance judgment after data verification filtering processing is completed.

Furthermore, the repeated information filtering 113 maintains a face information, acquisition time and a specific picture information data set in the acquisition server, has an automatic overtime data removing function, and can remove data which exceeds the acquisition time by 30 seconds according to setting; after the server acquires the picture, firstly acquiring primary face information, then comparing the acquired face information with data in a data set, and if the current information is found to exist in the data set, discarding the current data without performing subsequent processing; and if the current picture information data does not exist, recording the current picture information data into a data set and sending the current picture information data to a subsequent attendance cloud server for processing.

Further, the threshold of the threshold control 121 is set by an operator according to different scenarios to obtain a minimum comparison value.

Further, the person information acquisition 122 provides a face recognition service by a third party face recognition SDK.

Further, the information push data object acquired by the RFID base station is serialized into a JSON format and then transmitted, wherein the information push data object comprises information of a received signal base station, an RFID card number, receiving time and the like.

Furthermore, the information collected by the RFID base station is subjected to delayed processing, when the attendance person enters the face camera and is identified, the attendance person enters the attendance system for processing, whether the current attendance person finishes attendance is detected after the RFID attendance signal is delayed, and if the face attendance is finished, the current information is not processed, and otherwise, the RFID attendance flow is triggered.

Furthermore, the attendance system 3 includes an attendance configuration unit 31, a data receiving unit 32 and a data pushing unit 33, the data receiving unit 32 performs information recording, leave-on processing and data pushing after receiving data, and then performs data statistics; the data pushing unit 33 pushes attendance time and photo information; the attendance configuration unit comprises the time of going to school (on duty), the time of leaving school (off duty) and the time of holidays (non attendance).

Example two

As shown in fig. 4, in which the same or corresponding components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience; the second embodiment is different from the first embodiment in that: the school base station of the RFID base station is arranged at each teaching building, one at the playground position and one at the security room position of the school gate; and the base stations outside the school of the RFID base stations are respectively provided with one base station at four intersections around the school.

In the description of the present invention, it is to be understood that the terms "front-back", "left-right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the invention.

Of course, in this disclosure, those skilled in the art will understand that the terms "a" and "an" should be interpreted as "at least one" or "one or more," i.e., in one embodiment, a number of an element may be one, and in another embodiment, a number of the element may be plural, and the terms "a" and "an" should not be interpreted as limiting the number.

The present invention is not limited to the above-described embodiments, and it should be noted that various changes and modifications can be made by those skilled in the art without departing from the structure of the present invention, and these changes and modifications should be construed as the scope of the present invention, which does not affect the effect and practicality of the present invention.