Disclosure of Invention
Therefore, the invention aims to overcome the defects in the prior art and provide the anti-cheating examination management system which is used for acquiring examination data in multiple directions, and has the advantages of high safety coefficient, wide coverage range and diversified identification.
In order to achieve the above purpose, the present invention provides an anti-cheating examination management system, which comprises a plurality of PC ends for examination, an application server and a back-end storage device, wherein the PC ends are arranged at an examination station; the application server is internally provided with an examination information base for storing examination items and examination staff information and wirelessly transmitting the examination items and examination staff information to examination stations in the form of examination bags, and is characterized by further comprising an entrance guard unit arranged on each examination station, each entrance guard unit is provided with a corresponding face recognition instrument, the face recognition instrument is internally provided with a storage module for receiving examination staff registration information, the face recognition instrument is electrically connected with an electric control lock through a signal transmission module, each examination PC end is internally provided with a data acquisition module and externally connected with an NFC mobile terminal, the examination PC end is externally connected with an NFC tag, a reader-writer is controlled to be started through a fingerprint identification module, the NFC mobile terminal is internally provided with a pressure sensing unit, and the pressure sensing unit is used for controlling the on-off states of the NFC mobile terminal and the NFC tag through a controller.
The PC end for the examination comprises an identity recognition module and an examination question answering unit used for displaying and inputting, wherein the NFC tag is internally provided with a fingerprint recognition module which respectively sends recognition results to a listening element and the identity recognition module, the NFC mobile terminal selects an on-off state according to the recognition results, and the identity recognition module selects whether to load a follow-up examination question answering unit according to the recognition results.
Before an examinee enters a field and sits, the NFC mobile terminal is required to be started through fingerprint identification, the NFC mobile terminal and the NFC tag are connected, and the examinee wears the NFC mobile terminal to receive relevant examination information and wears the NFC mobile terminal to the end of an examination. If the midway picking time is too long, the midway picking time is fed back to a data acquisition module in the PC end and is prompted to the background. By the mode, the joint lugs among the examinees can be stopped, and the examinees can be prevented from wearing cheating equipment such as wireless headsets.
Preferably, the application server communicates with a plurality of testing stations through a distributed network, and each testing station is internally provided with a corresponding testing item memory, and the testing items are transmitted to the testing item memory or the PC end for testing in the form of testing packets.
Preferably, the NFC mobile terminal is a wireless in-ear earphone, the NFC tag is internally provided with a signal source and sends out NFC data signals, and the NFC mobile terminal is internally provided with an NFC module for receiving the NFC data signals.
The NFC mobile terminal is used as examination information transfer equipment and has the function of preventing cheating. When the NFC mobile terminal is removed from the auditory canal, the internal pressure sensor of the NFC mobile terminal can monitor the real-time position of the NFC mobile terminal.
The controller is arranged in the NFC tag, is used for receiving real-time signals of the pressure sensor, and is connected with the PC end data acquisition module for examination.
Preferably, the signal source is an NFC chip, the NFC chip is provided with a safety secret function, a one-time programmable storage and a locking mechanism, the NFC chip is used for sending an on-off instruction to the NFC mobile terminal, and the data acquisition module is internally provided with a processing unit and a storage unit and is used for analyzing and storing data instruction information sent by the controller to the PC end.
Preferably, the PC end for examination is externally connected with a data detector for collecting real-time image data of human body gestures and feeding back the real-time image data into the data analysis module built in the PC end.
Preferably, the data detector comprises a camera and a body sensor, wherein the body sensor is connected with the PC end for examination in a wireless or wired mode, and the data analysis module is connected with the terminal in the remote control in a wireless communication mode.
Besides the function of NFC mobile terminal with state monitoring, the data detector can also monitor sitting and standing postures of examinees, if the examinees are in abnormal postures for a long time, the data detector can give out early warning like a remote control terminal.
Preferably, the PC end for the examination is provided with a monitoring component, the monitoring component is connected with the remote control terminal and used for acquiring environment information of the PC end for the examination, and the monitoring component is provided with a storage for storing configuration information of the PC end for the examination.
The system can also monitor the operation interface of the PC end, and if the computer desktop is in a static state for a long time, an early warning prompt is sent to the remote control terminal.
Preferably, the monitoring component is provided with a network adapter independent of the PC end for examination, the monitoring component is connected with a standard Ethernet/IP network through an Ethernet port, and the monitoring component is a board card inserted into a PCI slot in the PC end for examination and is communicated with the PC end for examination through a bus of the PC end for examination.
According to the invention, through the entrance guard, the NFC mobile terminal, the data detector and the monitoring component arranged in the computer, the information and the gesture of the examinee are monitored and captured in an omnibearing manner, so that the examination situation is effectively avoided, the examinee is prevented from carrying answers, remote cheating equipment, mutual plagiarism and the like, thereby effectively avoiding cheating means of the examinee, and ensuring the fairness of the examination.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art, provided that the terms are not defined differently. It is to be understood that terms defined in commonly used dictionaries have meanings that are consistent with the meaning of the terms in the prior art.
Referring to fig. 1-4, an anti-cheating examination management system includes a plurality of examination PC terminals disposed at an examination station, and an application server and a back-end storage device; the application server is internally provided with an examination information base for storing examination items and examination staff information and wirelessly transmitting the examination items and examination staff information to examination stations in the form of examination bags, and is characterized by further comprising an entrance guard unit arranged on each examination station, each entrance guard unit is provided with a corresponding face recognition instrument, the face recognition instrument is internally provided with a storage module for receiving examination staff registration information, the face recognition instrument is electrically connected with an electric control lock through a signal transmission module, each examination PC end is internally provided with a data acquisition module and externally connected with an NFC mobile terminal, the examination PC end is externally connected with an NFC tag, a reader-writer is controlled to be started through a fingerprint identification module, the NFC mobile terminal is internally provided with a pressure sensing unit, and the pressure sensing unit is used for controlling the on-off states of the NFC mobile terminal and the NFC tag through a controller.
The PC end for the examination comprises an identity recognition module and an examination question answering unit used for displaying and inputting, wherein the fingerprint recognition module of the NFC tag sends recognition results to the NFC mobile terminal and the identity recognition module respectively, the NFC mobile terminal selects an on-off state according to the recognition results, and the identity recognition module selects whether to load the follow-up examination question answering unit according to the recognition results.
In the embodiment, after the entrance guard identification, the NFC mobile terminal performs secondary identification (fingerprint) on the identity of the examinee, if the identification is successful, wireless communication can be realized between the NFC mobile terminal and the NFC tag, meanwhile, the NFC mobile terminal sends an identification success signal like an identity identification module in a PC end, and a computer receives the signal and enters an examination answering unit.
In addition, the NFC mobile terminal can also be used for receiving examination point information (such as sound prompt information of examination remaining duration broadcast, foreign language hearing broadcast and the like).
Specifically, after the NFC mobile terminal and the NFC tag are successfully paired, the examinee must continuously wear the NFC mobile terminal in the examination process, and if the picking time exceeds the preset threshold value, the picking time is detected by the pressure sensing unit, and the signal is transmitted to the remote control terminal. Because the examinee must wear the NFC mobile terminal in the examination process, the examinee can be prevented from wearing other high-tech cheating headsets in the auditory canal. Meanwhile, the NFC mobile terminal adopts the noise reduction earphone, so that under the premise that the sound of the joint lug in the examination room is small, the noise reduction is assisted, and the possibility that the examinees mutually communicate in the examination process can be greatly reduced.
Furthermore, the application server is communicated with a plurality of examination stations through a distributed network, a corresponding examination item memory is arranged in each examination station in a matched application server, and examination items are transmitted to the examination item memory or the PC end for examination in the form of examination packets.
Further, the NFC mobile terminal is a wireless in-ear earphone, the NFC tag is internally provided with a signal source and sends out NFC data signals, and the NFC mobile terminal is internally provided with an NFC module for receiving the NFC data signals.
The controller is arranged in the NFC tag, is used for receiving real-time signals of the pressure sensor, and is connected with the PC end data acquisition module for examination.
Specifically, in the present embodiment, the combination of the pressure sensor and the wireless earphone belongs to a conventional technical means, which can detect whether the earphone is in the ear canal. After the technology is applied to the system, the wireless earphone can have the dual functions of receiving and preventing cheating.
The NFC mobile terminal comprises a data acquisition module, a data processing unit and a storage unit, wherein the data acquisition module is used for acquiring data instruction information sent by the controller to a PC end, and the data acquisition module is used for acquiring data instruction information sent by the controller to the PC end.
Specifically, in this embodiment, the NFC mobile terminal may be wirelessly connected to the computer through a communication protocol such as 2G/3G/4G, wifi, and the NFC mobile terminal includes an NFC antenna for receiving a signal source after approaching the NFC tag in a short distance, and the NFC chip is configured to identify and analyze an NFC data signal received by the NFC. The chips described above are preferably implemented as CC2530, CC2430, etc., with CC2530 being a real system-on-chip (SoC) solution for 2.4-GHz IEEE 802.15.4, zigBee and RF4CE applications. It is capable of building powerful network nodes at very low total material cost, CC2530 incorporates the advanced high performance industry standard enhancement 8051 CPU of the RF transceiver.
Furthermore, the PC end for examination is externally connected with a data detector for acquiring real-time image data of human body gestures and feeding back the real-time image data into the data analysis module built in the PC end.
The data detector comprises a camera and a body sensor, wherein the body sensor is connected with the PC end for examination in a wireless or wired mode, and the data analysis module is connected with the terminal in remote control in a wireless communication mode.
In this embodiment, the motion sensor is a Kinect motion sensor, and obtains skeleton point information of the examinee according to a picture shot by a camera on the motion sensor to build an abnormal gesture model, and then monitors the gesture of the examinee in real time according to the model. Specifically, characteristic points obtained in an examination are a head, a shoulder, a hand and the like, a normal value interval is established according to the spatial positions of the characteristic points, if the real-time data value is larger than a set threshold value, the human body deviates from a standard coordinate system, abnormal position transformation occurs, namely, the motion that a test taker possibly turns around, turns around and other joint lugs occurs, and at the moment, a pre-warning signal is sent to a remote control terminal through a PC (personal computer) end for examination.
In other embodiments, the data detector may also employ a six-axis sensor employing the JY61 module. The range is that the linear acceleration is +/-16 g, the angular acceleration is +/-2000 DEG/s, and the angle is +/-180 deg. The measurement error is that the linear acceleration is 0.01g and the angular acceleration is 0.05 degrees/s. The acquisition frequency was 10 times/s. The six-axis sensor is different from a widely used three-axis sensor, can integrate the functions of a three-axis accelerometer and a three-axis gyroscope, and simultaneously collects linear acceleration data and angular acceleration data in three directions, and is six types of data. The directions X, Y, Z are perpendicular to each other, and are respectively horizontal front and back directions, horizontal left and right directions and vertical directions, wherein the front, back, left and right directions are all referred to by a human body to be measured. And carrying out Kalman filtering processing on the six types of acquired data transmitted to the upper computer in real time respectively to obtain filtered data, and storing the filtered data in the background. The Kalman filtering method adopted in the embodiment is a data fusion method, combines the advantages of a common acceleration sensor and a gyroscope, combines the angle obtained by linear acceleration and the attitude angle obtained by integrating operation of the gyroscope, automatically calculates the weights of the two according to a statistical rule, and fuses an accurate state value. And analyzing data characteristics presented by various types of data, wherein each type of data selects t (t is an integer greater than 1) data statistical characteristics, and t is 6 data characteristics in total to be used as a condition attribute for judging the human body posture. And extracting data statistical characteristics of the data sets under various postures to form a sample set. The samples in the sample set are divided into training samples and test samples.
For example, when the hands of the examinee are not on the desktop for a long time or the body deviation angle of the examinee is obviously larger than that of the normal state, the posture is judged to be a suspicious posture, and an early warning prompt is sent to the remote control terminal.
Furthermore, the PC end for the examination is provided with a monitoring component, the monitoring component is connected with the remote control terminal and used for acquiring environment information of the PC end for the examination, and the monitoring component is provided with a storage for storing configuration information of the PC end for the examination.
The monitoring component is a board card inserted into a PCI slot in the PC end for examination, and is communicated with the PC end for examination through a bus of the PC end for examination.
Specifically, in this embodiment, the monitor component is provided with a monitor processor, and an S3C4510B chip is used, and the ethernet media access controller is integrated in the chip, or a chip such as MPC860 that does not integrate a network adapter may be used, and the implementation is realized through a separate network adapter chip.
It can be understood that the embodiment adopts a remote monitoring mode to monitor the computer interface, the operation condition and the use environment in real time. If the computer is in an abnormal state, such as a situation of not operating for a long time, connecting an external network and the like, the computer will send out early warning to the remote control terminal.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.