CN109118606B - Facial recognition attendance process authentication method - Google Patents
Facial recognition attendance process authentication method Download PDFInfo
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- CN109118606B CN109118606B CN201810936862.3A CN201810936862A CN109118606B CN 109118606 B CN109118606 B CN 109118606B CN 201810936862 A CN201810936862 A CN 201810936862A CN 109118606 B CN109118606 B CN 109118606B
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- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
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Abstract
The invention discloses a facial recognition attendance process authentication method, which is characterized in that a facial recognition attendance terminal is connected with a network server through a network, and facial recognition processing is carried out on facial images of an attendance object shot by the facial recognition attendance terminal within a time period of an attendance process to realize attendance process management, so that the phenomena of absent work or substitution and the like of the attendance object in the attendance process are avoided, the process humanized management is realized, and the quality and the efficiency of the attendance management are improved.
Description
The application is a divisional application of a patent with the application date of 2013, 7 and 4, the application number of 201310280507.2, and the invention name of facial recognition attendance checking terminal and attendance checking process authentication system and authentication method.
[ technical field ] A method for producing a semiconductor device
The invention relates to an attendance process authentication method for carrying out attendance process management through facial recognition.
[ background of the invention ]
Face recognition or face recognition technology is increasingly being used for attendance checking or authentication purposes. The facial recognition attendance device in the prior art comprises a camera and a facial recognition processing device, facial image data of facial attendance are pre-stored in the facial recognition attendance device, facial images of attendance objects to be checked in are taken and processed by the facial recognition processing device, and then the attendance purpose of attendance/absence of attendance is verified and realized.
The facial attendance device in the prior art needs attendance checking verification that an attendance object needs to realize facial recognition in a specific time period on a specific occasion through field attendance checking verification. However, with the increasingly widespread use of network technology, network technology avoids time and geographic restrictive use. As the image capturing device becomes a necessary device of the electronic product, the electronic product with the image capturing device is more convenient for the convenience and the universality of image capturing.
Therefore, if the electronic device with the image capturing device can implement attendance management authentication through network technology, and is not limited to specific areas and time, it will become one of the important developments in the attendance authentication technology field.
In addition, if the process management of the attendance mode is established through the network technology, the real-time verification management is realized in the attendance time period, and the humanization and the flexibility of the attendance verification are undoubtedly increased.
[ summary of the invention ]
The invention provides a face recognition attendance terminal which improves the convenience of network management in an attendance process.
In order to solve the above technical problems, the present invention provides a facial recognition attendance terminal, which is connected to a network server via a network to realize the authentication of the attendance process, and comprises a processor, a camera device connected to the processor and a network connection device, the processor also comprises an image processing unit, the image pickup device picks up the facial image of the user and transmits the facial image to the image processing unit for processing to generate a facial inspection image, after the network connection device transmits the face verification image to the network server to authenticate the user as a legal attendance checking object, the image processing unit processes the face image of the attendance checking object in the attendance checking process captured by the camera device to generate a process face image, and the network connecting device transmits the process face image and the system time information of the face recognition attendance terminal to the network server for authentication attendance.
The facial recognition attendance terminal comprises an attendance control unit connected with the image processing unit, wherein the attendance control unit detects a facial image signal of a user received by the image processing unit and controls the network connecting device to send the facial image to the network server for authentication.
The facial recognition attendance terminal comprises a facial recognition attendance terminal body, wherein the attendance control unit further comprises an initialization authentication device, and the initialization authentication device sends hardware identification information of the facial recognition attendance terminal body to the network server to authenticate and generate an authentication code.
The facial recognition attendance terminal comprises a time identification unit, wherein the time identification unit detects information of the network server for identifying the user as a legal attendance object and then sends system time information of the facial recognition attendance terminal to the network server.
The facial recognition attendance terminal comprises a mobile communication terminal, a tablet computer, a computer or a camera device with a network connection function.
The invention further provides an attendance process authentication system, which is convenient for network authentication in the attendance process and whole-process attendance management, and improves the attendance convenience.
Based on the facial recognition attendance terminal, the invention also provides an attendance process authentication system, which comprises a facial recognition attendance terminal and a network server, wherein the facial recognition attendance terminal is connected with the network server through a network and authenticates attendance information sent by the facial recognition attendance terminal through the network server, the facial recognition attendance terminal comprises a processor, a camera device connected with the processor and a network connection device,
the processor of the facial recognition attendance terminal also comprises an image processing unit, the camera device captures a facial image of a user and transmits the facial image to the image processing unit for processing to generate a facial verification image, the network connection device transmits the facial verification image to the network server to authenticate the user as a legal attendance object, the image processing unit processes the facial image of the attendance object captured by the camera device in an attendance process to generate a process facial image, and the network connection device transmits the process facial image to the network server to authenticate the attendance;
the network server comprises a verification center device, a network data processing device and a network control device, wherein the verification center device authenticates that a face verification image received by the network control device and sent by the face recognition attendance terminal passes through the face verification image and feeds back information of an attendance object which passes through the authentication and is legal for the user to the face recognition attendance terminal;
and the network data processing device processes the process face image sent by the face recognition attendance terminal, and identifies the face recognition attendance terminal as a qualified attendance object when the ratio of the process management time period Tp generated by calculating the system time information of the face recognition attendance terminal to the attendance time period Tz set by the network server is greater than or equal to an attendance threshold k.
The attendance process authentication system as described above, wherein the attendance threshold k is greater than or equal to 0.5 and less than or equal to 1.
The attendance checking process authentication system comprises a verification control device and a memory, wherein the memory stores a standard facial image of an attendance checking object, and the network data processing device processes the facial verification image and the process management image of the facial recognition attendance checking terminal and sends the processed images to the verification control device to compare the standard facial image of the attendance checking object for verification.
In the attendance process authentication system, the network data processing device processes the system time information to generate the time identifier of the attendance process of the attendance object.
The attendance process authentication system as described above, the time identification including a start time identification associated with a start time point of the process face image and an end time identification associated with an end time point of the process face image.
The attendance process authentication system comprises a first start time identifier, a second start time identifier and an N-th end time identifier, wherein the start time identifier comprises a first start time point, a second start time point and an N-th start time point, and the N is a natural number greater than or equal to 3.
The attendance process authentication system as described above, a difference between the first start time point and the first end time point is a first time period T1, a difference between the second start time point and the second end time point is a second time period T2, a difference between the nth start time point and the nth end time point is an nth time period Tn, and a sum of the first time period, the second time period, and the nth time period is equal to the process management time period Tp.
The invention further provides an attendance authentication method based on the attendance process authentication system, which is convenient for realizing networking and convenient authentication management of the attendance process in a networking attendance authentication mode.
The invention further discloses an attendance authentication method of the attendance process authentication system, which comprises the following steps:
(1) is a user's network connection detected? If yes, entering the next step, and if not, continuing to detect;
(2) receiving a face verification image of a user;
(3) is the user's face authenticated and the image passed? If yes, sending feedback that the user is a legal attendance object to the face recognition attendance terminal, entering the next step, and if not, entering the step (1);
(4) receiving process face images and system time information of authenticated legal attendance checking objects;
(5) generating a starting time identifier and an ending time identifier by processing the facial image and the system time information;
(6) is it an attendance end time identifier? If yes, entering the next step, and if not, entering the step (4);
(7) calculating the ratio of the process management time period to the attendance time period of the attendance object;
(8) is greater than or equal to a threshold? If yes, the authentication is a qualified attendance object, and if not, the authentication is an unqualified attendance object;
(9) and (6) ending.
The attendance process authentication method is characterized in that the step (2) further comprises the following steps:
(2.1) receiving initialization information of the face recognition attendance terminal;
and (2.2) whether the face recognition attendance terminal is legal or not is authenticated, if so, the next step is carried out, and if not, the step (1) is returned.
The attendance process authentication method as described above, the step (5) further includes the steps of:
(5.1) processing the process face image and authenticating whether the process face image is the face image of a legal attendance checking object, if so, marking a system time point corresponding to the system time information of the starting time point of the process face image as a starting time identifier, entering the next step, and if not, entering the step (4);
and (5.2) processing the process face image and authenticating whether the process face image is the face image of a legal attendance checking object, if so, continuing the step, and if not, marking the system time corresponding to the system time information of the end time point of the process face image as an end time identifier.
In the attendance process authentication method, whether the attendance end time point in the step (6) is the attendance end time point is judged.
In the attendance process authentication method, whether the attendance process in step (6) is an attendance end time point further includes:
(6.1) judging whether the time point of the end time mark is consistent with the end time point of the attendance time, if so, judging that the time point is the attendance end time point, and if not, entering the next step;
(6.2) whether the time point marked by the end time is greater than or equal to the end time point of the attendance time or not is judged to be the attendance end time point if the time point marked by the end time is greater than or equal to the attendance time, and the step (5) is carried out if the time point marked by the end time is not greater than the attendance end time point.
In the attendance process authentication method, in the step (6.2), if the time point of the end time stamp is judged to be smaller than the end time point of the attendance time, the method further includes judging that the difference value between the time point of the end time stamp and the end time point of the system time information of the face recognition attendance terminal is greater than or equal to the attendance absence time threshold value, if so, judging that the attendance is the end time point, and if not, entering the step (5).
In the attendance process authentication method, the expiration time point of the system time information is the system time point of the latest system time information of the face recognition attendance terminal.
According to the attendance process authentication method, the attendance time threshold is equal to 10 minutes.
As described above, according to the face recognition attendance terminal, the attendance process authentication system and the attendance process authentication method based on the attendance process authentication system, the face recognition attendance terminal establishes network connection with the network server, and in a time period of an attendance process, face recognition processing is performed on a face image of an attendance object captured by the face recognition attendance terminal to realize attendance process management, so that the phenomena of absence or substitution of the attendance object in the attendance process are avoided, the process humanized management is realized, and the quality and the efficiency of attendance management are improved.
[ description of the drawings ]
Fig. 1 is a system diagram of a facial recognition attendance process authentication system of the present invention.
Fig. 2 is a schematic structural diagram of the facial recognition attendance process authentication system of the invention.
Fig. 3 is a system diagram of attendance process authentication of the facial recognition attendance process authentication system of the present invention.
Fig. 4 is a flowchart of an attendance process authentication method of the facial recognition attendance process authentication system of the present invention.
[ detailed description ] embodiments
To further explain the technical means and effects of the present invention adopted to achieve the predetermined purpose, the following detailed description of the specific structure and effects of the present invention is made with reference to the accompanying drawings, the embodiments and the structural features.
The attendance process authentication system comprises a face recognition attendance terminal and a network server, wherein the face recognition terminal is connected with the network server through a network and transmits face image data of a user checking attendance by using the face recognition terminal to the network server to carry out networked authentication and management of an attendance process.
The facial recognition attendance terminal comprises any electronic equipment with an image shooting device, including a tablet computer, a mobile communication terminal or a computer, or a camera or a digital camera capable of being connected with a network.
The facial recognition attendance terminal of the attendance process authentication system comprises a plurality of facial recognition attendance terminals which are in network connection with a network server, each facial recognition attendance terminal is in attendance authentication connection with the network server through a network, the network connection established between each facial recognition attendance terminal and the network server comprises cable connection through a local area network, wireless network connection, and the facial recognition attendance terminal can also be in network connection with the network server through a mobile communication network system such as CDMA, WCDMA, TD-SCDMA, FDD-LTE and the like.
In the attendance process authentication system, a user using the face recognition attendance terminal of the attendance process authentication system is used as an attendance object of the invention, and the attendance process of the attendance object is authenticated and managed. The network server firstly authenticates the face image of the user transmitted by the face recognition attendance terminal, starts the attendance process management of the legal attendance object after feeding back the information passing the authentication to the face recognition attendance terminal through the face image which authenticates the face image as the legal attendance object, and processes and authenticates the face of the attendance object transmitted by the face recognition attendance terminal in the attendance process of continuously receiving the face image transmitted by the face recognition attendance terminal, thereby realizing the network real-time authentication and the attendance condition management of the attendance object and further carrying out the process attendance authentication on the attendance condition.
The attendance process authentication system can realize the purpose of attendance of networked teaching courses, avoid the condition that an attendance object is absent or replaced by others in the midway when the attendance object is authenticated to be a legal attendance object, can also realize the networked examination confirmation management in the invigilating process in the examination process, avoid the condition that the examination room is quitted by the examination in stead or illegal in the midway, or the change of facial expression can be processed and analyzed through facial images transmitted by the facial recognition attendance terminal, so as to realize the optimization and adjustment of teaching contents or teaching process and the like, of course, those skilled in the art can authenticate the network transmission and attendance process of facial image recognition according to the present invention, and there may be equivalents or variations of other technical means, for example, it is within the scope of the obvious variations of the present invention to adjust the course content and teaching style by recognizing subtle expressions of the face.
As shown in fig. 1, the attendance process authentication system of the invention includes a first face recognition attendance terminal, a second face recognition attendance terminal, a third face recognition attendance terminal, and an … nth face recognition attendance terminal, each of which is connected to a network server by a network connection manner or connected to the network server by a mobile communication network system. Each face recognition attendance terminal corresponds to each user, and after the user is authenticated as a legal attendance object 1, an attendance object 2 and an attendance object …, authentication management of attendance processes of the legal attendance objects 1, 2 and … N is started.
As shown in fig. 2, the facial recognition attendance terminal of the present invention includes a processor, an image capturing device connected to the processor, and a network connection device, wherein the image capturing device captures a facial image of a user and transmits the facial image to a network server through the network connection device. When a user uses the facial recognition attendance terminal to connect the network server for attendance authentication, the image shooting device firstly shoots a facial image of an attendance object through the camera and transmits the facial image to the image processing unit for processing to generate a facial authentication image, and the attendance control unit controls the network connection device to send the facial authentication image to the network server for authentication. After the network server authenticates that the user using the face recognition attendance terminal is a legal attendance object, the attendance process management of the attendance object is started, and the attendance control unit controls the image processing unit to process the captured face image of the attendance object to generate a process face image and send the process face image to the network server.
In a specific embodiment, in order to increase the security of the face recognition attendance terminal, the attendance control unit comprises an initialization authentication module and a time identification module, when the face recognition attendance terminal is firstly connected with the network server and requests to establish attendance authentication connection, the initialization authentication module sends hardware identification information of the face recognition attendance terminal to the network server for authentication to generate an authentication code, and the authentication code is used as authentication information and sent to the network server together with a face authentication image when the face recognition attendance terminal is connected with the network server every time later as the authentication information so as to use the face recognition attendance terminal as the authentication and judge whether the face recognition attendance terminal is legal or not. The time identification module marks the system time of the face recognition attendance terminal of the attendance object into system time information and transmits the system time information and the process face image to the network server when the network server starts an attendance process of the attendance object using the face recognition attendance terminal.
The network server of the invention comprises a network data processing device, a verification center device and a network control device which are respectively connected with the network data processing device. The verification center device comprises a verification control device and a memory, and the memory stores the image data of the standard facial image of the attendance object to be checked. The network data processing device receives a network request for establishing attendance authentication sent by the face recognition attendance terminal, judges that if the face recognition attendance terminal is in initialization connection, the unique hardware identification information of the face recognition attendance terminal is processed to generate an authentication code and transmits a face verification image to the authentication center device, the authentication center device authenticates the face verification image and compares the face verification image with a standard face image of an attendance object stored in the memory for authentication, if the face verification image passes the authentication as a legal attendance object, the authentication passing information is fed back to the face recognition attendance terminal, and if the face recognition attendance terminal does not pass the authentication, illegal prompt information is sent to the face recognition attendance terminal.
After the verification center device verifies that the user using the face recognition attendance terminal is a legal attendance object, the network connection for establishing attendance process authentication is sent, the process face image of the face recognition attendance terminal is received and transmitted to the verification center device for authenticating the process face image, and then the process authentication management of the attendance process of the attendance object is realized.
The attendance process authentication system authenticates the user using the face recognition attendance terminal of the invention as a legal attendance object, and then performs authentication attendance of the attendance process by continuously using the face recognition attendance terminal of the invention. In the attendance checking process, after the network server authenticates the legal attendance checking object, the network server establishes network connection of the attendance checking process between the network server and the face recognition attendance checking terminal, the network data processing device processes the process face image and the system time information sent by the face recognition attendance checking terminal, and the network data processing device processes the system time information to generate the time identification of the attendance checking process of the attendance checking object. The network data processing apparatus combs time identification generated by the system time information including a start time identification associating a start time point of the received process face image and an end time identification associated with an end time point of the process face image. Specifically, the network data processing device marks the initial time of the received process face image as a first initial time point, simultaneously sends the received process face image to the authentication center device to authenticate whether the received process face image is the face image of the legal attendance object, if the authentication center device authenticates that the process face image is the face image of the illegal attendance object in the attendance process, the network data processing device sends feedback information to the network data processing device, and the network data processing device marks the face image of the illegal attendance object and the system time information as well as marks the time point corresponding to the process face image as a first end time point. After the verification center device authenticates the facial image of the illegal attendance object, the network data processing device continues to receive the image data transmitted by the facial recognition attendance terminal and the verification center device authenticates whether the image data is the facial image of the legal attendance object, the verification center device still authenticates that the image data is the facial image of the illegal attendance object within a set time period of the attendance absence time threshold, and then the feedback information of the attendance process authentication end is sent to the network data processing device and the received image data transmitted by the facial recognition attendance terminal is stored. And if the facial image of the attendance object of which the process is not legal is authenticated again after the verification center device, the information is fed back to the network data processing device and the received time point of the facial image of the illegal attendance object is marked as a second ending time point. According to the authentication mode of the attendance process, the network data processing device continuously receives the image data transmitted by the face recognition attendance terminal, transmits the image data to the verification center device within the time period of the set attendance absence time threshold value, judges whether the image data is a face image of a legal attendance object again, deduces the judgment according to the judgment result, and realizes complete attendance process authentication and network management of the whole attendance process of the user using the face recognition attendance terminal.
Referring to fig. 3, in an attendance authentication process of the attendance process authentication system according to the embodiment of the present invention, the network data processing apparatus processes a process face image sent by the face recognition attendance terminal, and processes system time information corresponding to whether the process face image authentication of the face recognition attendance terminal is legal or not each time to generate a first start time point and a first end time point corresponding to a first attendance; a second starting time point and a second ending time point of the second attendance; …, until the Nth starting point and the Nth ending point of the (N-1) th attendance, the time identification generated by the network data processing device processing the system time information of the facial recognition attendance checking terminal comprises a first starting point, a first ending point, a second starting point and a … Nth ending point, wherein N is a natural number which is more than or equal to 3. The network data processing device judges that the difference value between the time point of the end time mark and the end time point of the system time information of the face recognition attendance terminal is greater than or equal to the attendance absence time threshold value within the set attendance time period, for example, within 10 minutes, if the difference value is greater than or equal to the attendance absence time threshold value, the network data processing device, when the image data of the face recognition attendance terminal is authenticated as the face image of the illegal attendance object, sets the time point corresponding to the system time information processing corresponding to the initially received face image of the illegal attendance object as the attendance end time point, so that the time point of the attendance end time point is the same as the time point of the last Nth end time point.
The network data processing device of the invention calculates the time identification of the attendance object in the attendance process, the difference value of the first ending time point and the first starting time point is a first time period T1, the difference value of the second ending time point and the second starting time point is a second time period T2, operations are repeated until the difference value of the Nth ending time point and the Nth starting time point is an N-1 time period T (N-1), the sum of the values of the T1, the T2 and the … T (N-1) is calculated to generate a process management time period Tp, the ratio of the process management time period Tp to the attendance time period Tz set by the network server is calculated, if the calculated ratio is more than or equal to an attendance threshold k, the legal attendance object using the face recognition attendance terminal is authenticated as a qualified attendance object, if the calculated ratio is less than the attendance threshold k, the legal attendance object using the face recognition attendance terminal is authenticated as a non-qualified attendance object, in a specific embodiment of the present invention, attendance threshold k is set to a value greater than or equal to 0.5.
As described above, the attendance process authentication system according to the present invention authenticates the received facial recognition attendance terminal and authenticates the image data transmitted from the facial recognition attendance terminal during the attendance process, thereby determining and authenticating whether the attendance process of the attendance object is qualified.
Therefore, the attendance process authentication system of the invention is convenient for checking attendance aiming at the condition that the attendance object is absent for a plurality of times in the attendance process, that is, in the attendance checking process, after the attendance checking object can be interrupted for a period of time, for example, after the attendance checking object has the attendance checking time exceeding the attendance checking time value, the attendance checking object can still be connected again to carry out attendance checking authentication in the attendance checking process, and as long as in the attendance checking process, the ratio of the process management time period Tp to the attendance checking time period Tz, which is the sum of the total attendance time periods of the first time period, the second time period, … and the Nth time period of each attendance checking, is greater than or equal to the attendance checking threshold value, the attendance checking is qualified, the attendance checking object can conveniently arrange and adjust the attendance checking time reasonably, therefore, the management humanization and time management optimization of the attendance process are greatly realized, and the instantaneity and convenience of networked attendance are fully utilized.
Therefore, the invention not only realizes the authentication of whether the attendance object is legal, but also realizes the whole-course procedural attendance management by authenticating the process facial image of the attendance object in the attendance process, thereby avoiding the absence of the attendance object in the attendance process after the attendance object passes the attendance authentication, avoiding the condition that the attendance object is an illegal attendance object in the attendance process, particularly the condition that the attendance object is illegal in the examination process, and improving the comprehensive attendance management and the humanized network management.
The attendance process authentication system is applied specifically, after a user needing attendance is subjected to face recognition once and authenticated as a legal attendance object through the face recognition attendance terminal, attendance process management based on the recognition of a face image of the attendance object between the face recognition attendance terminal and a network server is established, and accordingly attendance process authentication is achieved. The term attendance of the present invention is not intended to limit the use of the present invention, and those skilled in the art will appreciate that the attendance of the present invention may also be applied to the management of examination or meeting processes, or the process management of members within a company, etc.
The attendance process authentication system disclosed by the invention comprises the following three application scenes in specific application:
1. when a live broadcast classroom or a recorded broadcast classroom is remotely played, a trained person or a student is remotely connected with a network server through a network, remote authentication is carried out through the network server, and remote process attendance is realized for checking attendance conditions;
2. during the examination/assessment process: the examinee can take examination or evaluation on a computer, a mobile communication terminal such as a mobile phone, a tablet computer, a television and other equipment with a camera connected with a remote network, identify the facial image shot by the network terminal in the attendance process to authenticate whether the facial image is the examinee identity, and authenticate whether the facial image is the examinee identity in the attendance process to finish all the evaluation or examination. The authentication of the face image in the process can adopt that the face features of the face image of an attendance checking object which is collected by a face recognition attendance checking terminal and is authenticated to be legal are compared with each other at a fixed frequency or an indefinite frequency within a specific time period, and if the accumulated comparison matching rate is lower than a specific ratio, the attendance checking terminal is judged to be not participated by the person, so that the authentication management of the legal or illegal attendance checking object is realized;
3. copyright protection tool: the authentication of the facial image taken by the facial recognition attendance terminal is used as a content copyright protection tool, when a user needing to use the facial recognition attendance terminal is authorized to read, check and use specific content, video, characters or courseware, the facial image which is a legal attendance object needs to be registered or authenticated, when the user passes the authentication and becomes the legal attendance object or the user uses the content, the facial image in the process of being taken by an image taking device of the facial recognition attendance terminal, such as a camera, is compared and authenticated again, when the matching rate is lower than a specific proportion, the user is not allowed to continue to use, and an alarm is popped up, thereby realizing the process authentication management of copyright content protection, preventing the illegal user use or the malicious alternative use from occurring in the use process after the legal user obtains the authentication of the copyright content, the legal use rights of the legal attendance object or the copyright content of the user are fully protected.
Certainly, the attendance process authentication system adopts networked attendance process authentication, fully utilizes the technical convenience of networking, and is more convenient because the conventional portable mobile terminal is provided with a network connection and an image shooting device, so that the attendance process application of the attendance process authentication system is not limited by time and regions, and the application mode of the attendance process authentication system is flexible and convenient. In a specific application, the facial recognition attendance terminal can be a mobile communication terminal, a tablet computer, a wearable network communication terminal or the like in the prior art, after an image pickup device of the facial recognition attendance terminal picks up or collects a facial image of a user, the facial feature comparison and authentication of the facial image can be performed in the facial recognition attendance terminal, a comparison result is transmitted to a network server for data analysis and judgment, and feedback information of whether the authentication passes or not is sent to the facial recognition attendance terminal through the network server and is also transmitted to the network server through a network connection device of the facial recognition attendance terminal, and the network data processing device and the verification center device of the network server compare and authenticate the facial feature of the facial image of the user. The identification of the facial image of the user is carried out on the facial recognition attendance terminal or the network server, the authentication is carried out through the verification center device of the network server, the information whether the authentication passes or not is fed back to the facial recognition attendance terminal, and the feedback information of the authentication and identification is conveniently used for the authentication management of the subsequent attendance process.
For clarity of description of the attendance process management of the present invention, a specific application example is described below.
The facial recognition attendance process authentication system is set to be used by an attendance object at 9 am on 1 st day of 6 months in 2013, and a facial recognition attendance terminal in the application example is a mobile communication terminal with a camera. The camera on the mobile communication terminal transmits the facial image of the attendance checking object captured when the camera starts to be used at 9 am of 1 am of 6 months 1 in 2013 to the network server, and the authentication center device processes the facial image qualified by authentication after authenticating the facial image of the attendance checking object, generates a facial authentication image and sends feedback information of authentication validity to the mobile communication terminal. The method comprises the steps that an attendance object uses a mobile communication terminal to select request information of English writing courses and sends the request information to a network server, a network data processing device receives the request information of the attendance object, if the English writing courses are on-line live broadcast, the starting point of the on-line live broadcast is recorded as the starting time Tz1 of attendance time parameters, the time point of the received request information sent by the mobile communication terminal is recorded as a first initial time point, and the feedback information of passing requests is sent to the mobile communication terminal; and if the English writing course is the non-online live course, processing the starting time point and the ending time point of the English writing course requested by the attendance object to generate an attendance time parameter Tz of the English writing course, and sending the feedback information passing the request to the mobile communication terminal.
After the mobile communication terminal receives the feedback information of passing the request, the attendance checking object uses the facial recognition attendance checking process management system and receives English writing courses, and the camera transmits facial images of the attendance checking object to the network server. If the time for the attendance object to start receiving and watching the English written course is 9: 10 points on 6/1/2013, the network data processing device processes the received facial image and identifies the facial image to judge that the facial image is the facial image of the attendance object, the time point of 10 points on 9: 1/2013 is marked as a first starting time point, the mobile communication terminal continues to transmit the facial image of the attendance object to the network server through the camera, if the attendance object is separated at 9: 30 points on 6/1/2013, the network data processing device identifies the facial image transmitted by the mobile communication device and judges that the facial image is the facial image of a non-attendance object, and the time point of 30 points on 9: 2013/1 is marked as a first ending time point. And after the attendance object leaves for 5 minutes, 9 minutes in 6 months and 1 day in 2013, the user starts to watch English written courses again, the network data processing device identifies and judges that the received attendance object is a facial image of the attendance object, a time point of 35 minutes in 6 months and 1 day in 2013 of the start time point of the facial image of the newly received attendance object is marked as a second start time point, if the attendance object is separated by 10 points in 6 months and 1 day in 2013, the network data processing device identifies and judges that the received attendance object is a facial image of a non-attendance object, and 10 minutes in 1 day in 2013 and 6 months is marked as a second end time point. And if the attendance object does not watch or receive the English writing course again, finishing the attendance process management of the English writing course aiming at the attendance object.
If the attendance time parameter Tz of the english writing course selected by the attendance object is 60 minutes, the network data processing device calculates that the value of a first attendance time period T1 of the attendance object in the attendance process of the english writing course is equal to 20 minutes of the difference between 9 points 30 at 6 months and 1 days of the first end time point 2013 and 9 points 10 at 6 months and 1 days of the first start time point 2013, and the value of a second attendance time period T2 is equal to 35 minutes of the difference between 10 points 10 at 6 months and 1 days of the second end time point 2013 and 9 points 35 at 6 months and 1 days of the second start time point 2013.
The network data processing device calculates an attendance process management time period Tp of an attendance object in an English writing course period to be T1T2 to be 55 minutes, the network data processing device calculates a ratio k between the attendance process management time period and an attendance time parameter to be Tp/Tz to be 0.92, and if a set attendance qualified threshold value kv is 0.6, k is not less than kv, therefore, the network data processing device judges that the attendance management of the attendance object is qualified and sends feedback information of the attendance process qualification to a mobile communication terminal of the attendance object through the network control device.
In the specific embodiment of the invention, the legal attendance object authenticated by the attendance process authentication system has three conditions in the attendance process:
(1) and the attendance checking object completes the attendance checking process authentication in the whole process: specifically, after the attendance object is authenticated as a legal attendance object, the network data processing device marks the time point of the initial process face image received by the attendance process authentication as a first starting time point until the network data processing device marks the time point of the received process face image as a first ending time point, and in a time period between the first ending time point and the first starting time point, the attendance object always uses the face recognition attendance terminal of the present invention and receives the attendance process authentication of the attendance process as a legal attendance object, wherein the first ending time point and the ending time point are the same time point;
(2) finishing attendance by the attendance object: after the user using the face recognition attendance terminal is authenticated as a legal attendance object, the attendance object discontinuously uses the face recognition attendance terminal in the attendance process, namely, the attendance is not performed by using the face recognition attendance terminal for a period of time, however, the ratio of the process management time period of attendance of the network data processing device in the attendance process to the attendance time period of the network data processing device is greater than or equal to an attendance threshold value, the network data processing device still determines the qualified attendance object, and the attendance object completes the attendance; or the attendance object uses the face recognition attendance terminal to authenticate the attendance process and always authenticates the face image as a legal attendance object, but after a certain time point, the attendance object does not use the face recognition attendance terminal to authenticate the attendance process any more, and under the condition that the certain time point is marked as an end attendance time point, the network data processing device calculates that the ratio of the process management time period of attendance of the attendance object in the attendance process between the time point and the initial time point to the attendance time period is greater than or equal to an attendance threshold value, the attendance object is still determined as a qualified attendance object, and the attendance object completes attendance;
(3) the attendance object does not complete attendance, and the ratio of the process management time period during which the operation attendance object operated by the network data processing device in the above case (2) attendance process attendance to the attendance time period is smaller than the attendance threshold, and the attendance object is still regarded as an unqualified attendance object, and the attendance object does not complete attendance.
Referring to fig. 4, the method for authenticating the attendance process, which is implemented after the face recognition attendance terminal of the attendance process authentication system establishes network connection with the network server, comprises the following steps:
(1) is a user's network connection detected? If yes, entering the next step, and if not, continuing to detect;
(2) receiving a face verification image of a user;
(3) is the user's face authenticated and the image passed? If yes, sending feedback that the user is a legal attendance object to the face recognition attendance terminal, entering the next step, otherwise, sending prompt information that the user does not pass the authentication to the face recognition attendance terminal, and enabling the user to operate again to enter the step (2);
(4) receiving process face images and system time information of authenticated legal attendance checking objects;
(5) generating a starting time identifier and an ending time identifier by processing the facial image and the system time information;
(6) is it an attendance end time identifier? If yes, entering the next step, and if not, entering the step (4);
(7) calculating the ratio of the process management time period to the attendance time period of the attendance object;
(8) is greater than or equal to a threshold? If yes, the authentication is a qualified attendance object, and if not, the authentication is an unqualified attendance object;
(9) and (6) ending.
The attendance process authentication method as described above, the step (2) further includes the steps of:
(2.1) receiving initialization information of the face recognition attendance terminal;
and (2.2) whether the face recognition attendance terminal is legal or not is authenticated, if so, the next step is carried out, and if not, the step (1) is returned.
The attendance process authentication method as described above, the step (5) further includes the steps of:
(5.1) processing the process face image and authenticating whether the process face image is the face image of a legal attendance checking object, if so, marking a system time point corresponding to the system time information of the starting time point of the process face image as a starting time identifier, entering the next step, and if not, entering the step (4);
and (5.2) processing the process face image and authenticating whether the process face image is the face image of a legal attendance checking object, if so, continuing the step, and if not, marking the system time corresponding to the system time information of the end time point of the process face image as an end time identifier.
In the attendance process authentication method, whether the attendance end time point in the step (6) is the attendance end time point is judged.
In the attendance process authentication method, whether the attendance process in step (6) is an attendance end time point further includes:
(6.1) judging whether the time point of the end time mark is consistent with the end time point of the attendance time, if so, judging that the time point is the attendance end time point, and if not, entering the next step;
(6.2) whether the time point marked by the end time is greater than or equal to the end time point of the attendance time or not is judged to be the attendance end time point if the time point marked by the end time is greater than or equal to the attendance time, and the step (5) is carried out if the time point marked by the end time is not greater than the attendance end time point.
In the attendance process authentication method, in the step (6.2), if the time point of the end time stamp is judged to be smaller than the end time point of the attendance time, the method further includes judging that the difference value between the time point of the end time stamp and the end time point of the system time information of the face recognition attendance terminal is greater than or equal to the attendance absence time threshold value, if so, judging that the attendance is the end time point, and if not, entering the step (5).
In the attendance process authentication method, the expiration time point of the system time information is the system time point of the latest system time information of the face recognition attendance terminal.
According to the attendance process authentication method, the attendance time threshold is equal to 10 minutes.
In summary, the facial recognition attendance terminal, the attendance process authentication system and the attendance process authentication method based on the attendance process authentication system of the invention establish network connection between the facial recognition attendance terminal and the network server, and perform facial recognition processing on the facial image of the attendance object captured by the facial recognition attendance terminal within the time period of the attendance process to realize attendance process management, thereby avoiding the phenomena of absence or substitution of the attendance object in the attendance process, realizing the process humanized management, and improving the quality and efficiency of the attendance management.
Because the facial recognition attendance terminal comprises the electronic terminal with the image shooting function and the portable electronic equipment such as the tablet personal computer with the camera, the mobile communication terminal and the like which are widely applied at present, the attendance process management which is not limited by the attendance process management system used by a user as an attendance object at different time and different places is greatly facilitated, the high efficiency and the convenience of the network are fully embodied, and the popularization and the application of the invention are facilitated.
The above-described embodiments of the present invention are provided merely to illustrate the principles and structures of the present invention, and any obvious variations thereof may be made by those skilled in the art without departing from the scope of the present invention.
Claims (7)
1. An attendance process authentication method of an attendance process authentication system, the attendance process authentication system comprises a face recognition attendance terminal and a network server, the face recognition attendance terminal is connected with the network server through a network and authenticates attendance information sent by the face recognition attendance terminal through the network server, the face recognition attendance terminal comprises a processor, a camera device connected with the processor and a network connection device, and is characterized in that,
the processor of the facial recognition attendance terminal also comprises an image processing unit, the camera device captures a facial image of a user and transmits the facial image to the image processing unit for processing to generate a facial verification image, the network connection device transmits the facial verification image to the network server to authenticate the user as a legal attendance object, the image processing unit processes the facial image of the attendance object captured by the camera device in an attendance process to generate a process facial image, and the network connection device transmits the process facial image to the network server to authenticate the attendance;
the network server comprises a verification center device, a network data processing device and a network control device, wherein the verification center device authenticates that a face verification image received by the network control device and sent by the face recognition attendance terminal passes through the face verification image and feeds back information of an attendance object which passes through the authentication and is legal for the user to the face recognition attendance terminal;
the network data processing device processes the process face image sent by the face recognition attendance terminal, and when the ratio of a process management time period Tp generated by calculating the system time information of the face recognition attendance terminal to an attendance time period Tz set by the network server is greater than or equal to an attendance threshold k, the process face image is identified as a qualified attendance object;
the verification center device comprises a verification control device and a memory, the memory stores a standard facial image of an attendance checking object, and the network data processing device processes the facial verification image and the process management image of the facial recognition attendance checking terminal and sends the facial verification image and the process management image to the verification control device to compare the standard facial image of the attendance checking object for verification; the network data processing device processes the system time information to generate a time identifier of an attendance process of an attendance object; the time identification comprises a start time identification associated with a start time point of the process face image and an end time identification associated with an end time point of the process face image; the starting time mark comprises a first starting time point, a second starting time point and an Nth starting time point, and the ending time mark comprises a first ending time point, a second ending time point and an Nth ending time point, wherein N is a natural number greater than or equal to 3; the difference between the first starting time point and the first ending time point is a first time period T1, the difference between the second starting time point and the second ending time point is a second time period T2, the difference between the nth starting time point and the nth ending time point is an nth time period Tn, and the sum of the first time period, the second time period and the nth time period is equal to the process management time period Tp;
the authentication method comprises the following steps:
(1) is a user's network connection detected? If yes, entering the next step, and if not, continuing to detect;
(2) receiving a face verification image of a user;
(3) is the user's face authenticated and the image passed? If yes, sending feedback that the user is a legal attendance object to the face recognition attendance terminal, entering the next step, and if not, entering the step (1);
(4) receiving process face images and system time information of authenticated legal attendance checking objects;
(5) generating a starting time identifier and an ending time identifier by processing the facial image and the system time information;
(6) is it an attendance end time identifier? If yes, entering the next step, and if not, entering the step (4);
(7) calculating the ratio of the process management time period to the attendance time period of the attendance object;
(8) is greater than or equal to a threshold? If yes, the authentication is a qualified attendance object, and if not, the authentication is an unqualified attendance object;
(9) and (6) ending.
2. The attendance process authentication method of claim 1, wherein the step (2) further comprises the steps of:
(2.1) receiving initialization information of the face recognition attendance terminal;
and (2.2) whether the face recognition attendance terminal is legal or not is authenticated, if so, the next step is carried out, and if not, the step (1) is returned.
3. The attendance process authentication method of claim 1, wherein the step (5) further comprises the steps of:
(5.1) processing the process face image and authenticating whether the process face image is the face image of a legal attendance checking object, if so, marking a system time point corresponding to the system time information of the starting time point of the process face image as a starting time identifier, entering the next step, and if not, entering the step (4);
and (5.2) processing the process face image and authenticating whether the process face image is the face image of a legal attendance checking object, if so, continuing the step, and if not, marking the system time corresponding to the system time information of the end time point of the process face image as an end time identifier.
4. The attendance process authentication method of claim 3, wherein the step (6) of determining whether the attendance end time flag is an end time point of the attendance time.
5. The attendance process authentication method of claim 3, wherein the step (6) of whether it is an attendance end time flag further comprises:
(6.1) judging whether the time point of the end time mark is consistent with the end time point of the attendance time, if so, judging that the time point is the attendance end time point, and if not, entering the next step;
(6.2) whether the time point marked by the end time is greater than or equal to the end time point of the attendance time or not is judged to be the attendance end time point if the time point marked by the end time is greater than or equal to the attendance time, and the step (5) is carried out if the time point marked by the end time is not greater than the attendance end time point.
6. The attendance process authentication method according to claim 5, wherein in the step (6.2), if it is determined that the time point of the end time stamp is smaller than the end time point of the attendance time, the method further comprises determining that a difference between the time point of the end time stamp and an end time point of the system time information of the face recognition attendance terminal is greater than or equal to the absent time threshold value, if so, it is determined to be the attendance end time point, and if not, it proceeds to the step (5).
7. The attendance process authentication method of claim 6, wherein the expiration time point of the system time information is a system time point of last system time information of a face recognition attendance terminal.
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| CN104680326A (en) * | 2015-03-10 | 2015-06-03 | 上海斐讯数据通信技术有限公司 | Attendance management system |
| CN105303632B (en) * | 2015-10-22 | 2018-04-03 | 苏州工业园区服务外包职业学院 | A kind of mobile monitor is registered system and method for work |
| CN105788018A (en) * | 2016-05-12 | 2016-07-20 | 杭州信鸽金融信息服务股份有限公司 | Tablet personal computer-based facial speech attendance system |
| CN107491713A (en) * | 2016-06-12 | 2017-12-19 | 杭州海康威视系统技术有限公司 | A kind of class-teaching of teacher work attendance monitoring method, system and device |
| CN107909668B (en) * | 2017-11-16 | 2020-07-21 | 中国平安人寿保险股份有限公司 | Sign-in method and terminal equipment |
| CN108460363A (en) * | 2018-03-27 | 2018-08-28 | 无锡愚公网络科技有限公司 | Monitor Work attendance method, apparatus and system |
| CN109831695B (en) * | 2018-12-15 | 2022-09-20 | 深圳壹账通智能科技有限公司 | Live broadcast control method and device, electronic equipment and storage medium |
| US10789796B1 (en) | 2019-06-24 | 2020-09-29 | Sufian Munir Inc | Priority-based, facial recognition-assisted attendance determination and validation system |
| CN110782540A (en) * | 2019-09-18 | 2020-02-11 | 上海创视通软件技术有限公司 | Face recognition attendance checking method and device |
| CN111383146B (en) * | 2020-03-25 | 2023-06-23 | 深圳市多亲科技有限公司 | Network class attendance checking method, device and terminal |
| CN113570749B (en) * | 2021-07-22 | 2023-04-07 | 用友汽车信息科技（上海）股份有限公司 | Method for determining station operation time, station operation system and readable storage medium |
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| US20060265295A1 (en) * | 2005-05-23 | 2006-11-23 | Feanny Mark A | Method for objectively monitoring, recording and reporting work-hour compliance of medical and surgical residents |
| GB0714344D0 (en) * | 2007-07-24 | 2007-09-05 | Univ Wales Swansea | Biometric attendance verification |
| CN101819687B (en) * | 2010-04-16 | 2012-05-23 | 阜新力兴科技有限责任公司 | Face recognition student attendance device and method |
| CN202049533U (en) * | 2010-12-31 | 2011-11-23 | 惠州Tcl移动通信有限公司 | Attendance system |
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