CN116612570A - Personnel circulation management system and management method based on intelligent face recognition - Google Patents
Personnel circulation management system and management method based on intelligent face recognition Download PDFInfo
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- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
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- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
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- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
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- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
- G07C9/25—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition
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Abstract
The invention provides a personnel circulation management system and a personnel circulation management method based on intelligent face recognition, and relates to the technical field of personnel circulation management. The personnel circulation management system based on the intelligent face recognition comprises an image acquisition module and a management access module, wherein the transmitting end of the image acquisition module is connected with the receiving end of the image processing module, the transmitting end of the image processing module is connected with the receiving end of the characteristic reading module, and the transmitting end of the characteristic reading module is connected with the receiving end of the characteristic reading module. The method comprises the steps of extracting skin color and facial feature data in an acquired image, collecting parameters after analysis and calculation of deflection angles and facial areas in the acquired image, adjusting the parameters of the acquired image according to the collected parameters, and finally matching the adjusted image feature parameters by combining information transmitted by a resource library, so that the facial recognition efficiency of personnel can be effectively improved.
Description
Technical Field
The invention relates to the technical field of personnel circulation management, in particular to a personnel circulation management system and method based on intelligent face recognition.
Background
Face recognition is a biological recognition technology for performing identity recognition based on facial feature information of a person, and uses a camera or a camera to collect images or video streams containing the face, and automatically detects and tracks the face in the images, so as to perform a series of related technologies of face recognition on the detected face, which are commonly called face recognition and face recognition.
In company office places, office buildings, factory entrances and exits, community entrances and exits and business exits, an entrance guard or a personnel flow management system is generally required to be arranged to prevent external personnel from entering the inside, fingerprint identification, face identification and entrance guard card identification are generally adopted in the prior art, if an visitor wears a mask or a cap and other decorative objects to conduct identification, identification failure is easy to cause, meanwhile, contact identification modes such as fingerprint identification often bring about pathogen transmission, and when external visitors or external clients need to enter, a manual registration mode is required to be adopted to conduct registration, and the process not only requires additional human resource investment, but also causes inconvenience for the external visitors.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a personnel circulation management system and a management method based on intelligent face recognition, which solve the problem that the existing personnel circulation management system is not high in recognition degree due to the influence of ornaments when performing face recognition.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the personnel circulation management system based on intelligent face recognition comprises an image acquisition module and a management access module, wherein the transmitting end of the image acquisition module is connected with the receiving end of an image processing module, the transmitting end of the image processing module is connected with the receiving end of a feature reading module, the transmitting end of the feature reading module is connected with the receiving end of the feature reading module, the transmitting end of the feature reading module is connected with the receiving end of a feature matching module, the transmitting end of the feature matching module is connected with the receiving end of a result generating module, and the transmitting end of the result generating module is connected with the receiving end of a control module through an information reading module;
the image acquisition module is used for acquiring facial images of people and transmitting the facial images to the image processing module, the image processing module is used for processing the facial images of the people acquired by the image acquisition module and transmitting the processed facial images of the people to the feature reading module, the feature reading module is used for reading and analyzing facial features of the processed facial images of the people and transmitting the analyzed and read facial data to the feature matching module for data matching, the feature matching module is used for analyzing and comparing the feature data read and analyzed by the feature reading module with the personnel data in the resource library and transmitting the matching data information to the result generating module, the result generating module is used for generating corresponding matching results according to the matching data information transmitted by the feature matching module, the information reading module is used for reading the matching results and transmitting control information to the control module, and the control module is used for controlling the running state of the equipment according to the control information transmitted by the information reading module.
Preferably, the sending end of the management access module is connected with the receiving end of the setting module, the sending end of the setting module is connected with the receiving end of the temporary password generating module, the sending end of the temporary password generating module is connected with the receiving end of the temporary password reading module, and the sending end of the temporary password reading module is connected with the receiving end of the information reading module through the second transmission module;
the management access module is used for granting authority of a manager or a worker to log in the system, the setting module is used for setting temporary passwords and other system management parameters by the manager or the worker, the temporary password generating module is used for generating the temporary passwords according to parameter adjustment of the setting module, and the temporary password reading module is used for reading and analyzing the temporary passwords and transmitting reading and analyzing results to the information reading module through the second transmission module.
Preferably, the receiving end of the feature matching module is connected with the transmitting end of the resource library module through the first transmission module, the transmitting end of the information reading module is connected with the receiving end of the early warning module, and the transmitting end of the control module is connected with the receiving end of the data backup module;
the resource library module is used for transmitting the staff information recorded in the system to the feature matching module through the first transmission module to serve as a data basis for feature comparison, the early warning module is used for carrying out early warning after the information reading module fails to read, and the data backup module is used for carrying out data backup on the information sent by the control module.
Preferably, the image processing module is composed of an image preprocessing unit, a skin color segmentation unit and a feature extraction unit, wherein the image preprocessing unit is used for filtering and denoising an image by adopting a linear smoothing filter, the skin color segmentation unit is used for carrying out region segmentation on a local region in an acquired image according to skin color degree, and the feature extraction unit is used for extracting feature data information of the image processed by the image preprocessing unit and the skin color segmentation unit.
Preferably, the feature reading-in module is composed of a deflection angle calculating unit, a face integral analysis unit and a parameter adjusting unit, wherein the deflection angle calculating unit is used for calculating the angle deflection angle of the face according to the acquired image information, the face integral analysis unit is used for analyzing the occupation ratio of the face area to the display area according to the acquired image information, and the parameter adjusting unit is used for adjusting the parameters corresponding to the acquired image according to the parameters analyzed by the deflection angle calculating unit and the face integral analysis unit.
Preferably, the feature matching module is composed of a cover eliminating unit, a skin color reading unit, a feature reading unit and a feature summarizing unit, wherein the cover eliminating unit is used for eliminating a cover on a face in an acquired image, the skin color reading unit and the feature reading unit are used for reading skin colors and feature data analyzed and transmitted in the feature reading module and carrying out matching comparison on resource information transmitted by the resource library module, and the feature summarizing unit is used for summarizing and collating the feature data after analysis is completed.
Preferably, the manager access module is composed of a right management unit and a right setting unit, the right management unit and the right setting unit are used for managing and setting the right of a visitor logging in the system, the setting module is composed of a password digit setting unit and a valid time setting unit, and the password digit setting unit and the valid time setting unit are used for setting and managing the digit of the temporary password and the valid time of the temporary password.
Preferably, the warning module comprises a warning lamp warning unit and a buzzer warning unit, the warning lamp warning module is used for warning the warning lamp after the information reading module reads the error information, and the buzzer warning unit is used for warning the buzzer after the information reading module reads the error information.
Preferably, the data backup module is composed of a personnel flow recording unit and an external personnel recording unit, wherein the personnel flow recording unit is used for synchronously recording the flow records of registered personnel in the resource library, and the external personnel recording unit is used for recording the external personnel flow records of personnel outside the resource library and using temporary passwords.
Preferably, a management method of a personnel circulation management system based on intelligent face recognition comprises the following management steps:
s1: when the personnel in the registered system in the resource library flow, the image acquisition module acquires the image information data of the personnel, and the acquired image information data is processed by the image processing module and the feature reading module and then the analyzed and extracted image feature data is transmitted to the feature matching module;
s2: the resource library module transmits information data in the resource library to the feature matching module through the transmission module in real time to serve as basic data, then feature matching matches the received feature data with the basic data, then the matching information data is transmitted to the result generation module to generate a corresponding matching result, and then the matching result is transmitted to the information reading module to be read;
s3: when a person not registered in the system accesses the resource library, a manager or a worker logs in the system through the management access module, and sets parameters of a temporary password through the setting module, and the temporary password is generated through the temporary password generating module;
s4: when entering, an external person inputs a temporary password, and meanwhile, the temporary password reading module reads the temporary password and transmits the read information to the information reading module through the second transmission module to carry out information reading judgment;
s5: the information reading module sends corresponding control information to the control module according to the read information after reading the received information, and the control module controls the entrance guard to set to be opened or closed correspondingly after receiving the corresponding control information.
The invention provides a personnel circulation management system and a personnel circulation management method based on intelligent face recognition.
The beneficial effects are as follows:
1. according to the invention, the skin color and facial feature data in the acquired image are extracted, the deflection angle in the acquired image and the facial area are analyzed and calculated, the parameters are summarized, the acquired image is adjusted according to the summarized parameters, and finally the image feature parameters after adjustment are matched by combining the information transmitted by the resource library, so that an intelligent facial matching result is formed, the facial recognition efficiency of personnel can be effectively improved, the influence of other covered ornaments in the recognition process is less, and the recognition accuracy is high.
2. The invention generates a temporary password for setting random number combination by manager for external access personnel, and sets the effective time of the temporary password, external personnel can enter through verifying and reading the temporary password pair when entering, prevent that external customer from entering or need entering through the mode of carrying out manual registration when visiting, use convenient and the security is higher.
3. According to the invention, the temporary passwords of the random combination numbers are generated for the accessors outside the resource library, so that the input cost of personnel flow management of human resources is reduced, and the efficiency of personnel resource management can be improved.
Drawings
FIG. 1 is a schematic diagram of an overall system architecture of the present invention;
FIG. 2 is a schematic diagram of an architecture of an image processing module according to the present invention;
FIG. 3 is a schematic diagram of a feature read-in module architecture according to the present invention;
FIG. 4 is a schematic diagram of a feature matching module architecture according to the present invention;
FIG. 5 is a schematic diagram of a manager access module architecture of the present invention;
FIG. 6 is a schematic diagram of a configuration module according to the present invention;
FIG. 7 is a schematic diagram of an early warning module architecture according to the present invention;
FIG. 8 is a schematic diagram of a data backup module according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Examples:
as shown in fig. 1-8, an embodiment of the present invention provides a person circulation management system based on intelligent face recognition, which includes an image acquisition module and a management access module, where a transmitting end of the image acquisition module is connected with a receiving end of the image processing module, a transmitting end of the image processing module is connected with a receiving end of the feature reading module, a transmitting end of the feature reading module is connected with a receiving end of the feature matching module, a transmitting end of the feature matching module is connected with a receiving end of the result generation module, and a transmitting end of the result generation module is connected with a receiving end of the control module through the information reading module;
the image acquisition module is used for acquiring facial images of people and transmitting the facial images to the image processing module, the image processing module is used for processing the facial images of the people acquired by the image acquisition module and transmitting the facial images of the people after the processing to the feature reading module, the feature reading module is used for reading and analyzing facial features of the facial images of the people after the processing and transmitting the facial data after the analyzing and the reading processing to the feature matching module for data matching, the feature matching module is used for analyzing and comparing the feature data read and analyzed by the feature reading module with the personnel data in the resource library and transmitting the matching data information to the result generating module, the result generating module is used for generating corresponding matching results according to the matching data information transmitted by the feature matching module, the information reading module is used for reading the matching results and transmitting control information to the control module, and the control module is used for controlling the running state of the equipment according to the control information transmitted by the information reading module.
The sending end of the management access module is connected with the receiving end of the setting module, the sending end of the setting module is connected with the receiving end of the temporary password generating module, the sending end of the temporary password generating module is connected with the receiving end of the temporary password reading module, and the sending end of the temporary password reading module is connected with the receiving end of the information reading module through the second transmission module;
the management access module is used for granting authority of a manager or a worker for authorizing the login system, the setting module is used for setting temporary passwords and other system management parameters by the manager or the worker, the temporary password generating module is used for generating the temporary passwords according to parameter adjustment of the setting module, the temporary password reading module is used for reading and analyzing the temporary passwords, and the reading and analyzing results are transmitted to the information reading module through the second transmission module.
The method has the advantages that the temporary password with the random number combination set by the manager is generated for the external access personnel, the effective time of the temporary password is set, the external personnel can enter through verifying and reading the temporary password pair when entering, the external customer is prevented from entering or entering in a mode of needing to be manually registered when visiting, and the use of a user is facilitated.
The receiving end of the characteristic matching module is connected with the transmitting end of the resource library module through the first transmission module, the transmitting end of the information reading module is connected with the receiving end of the early warning module, and the transmitting end of the control module is connected with the receiving end of the data backup module;
the resource library module is used for transmitting the staff information recorded in the system to the feature matching module through the first transmission module to serve as a data basis for feature comparison, the early warning module is used for carrying out early warning and warning after the information reading module fails to read, and the data backup module is used for carrying out data backup on the information sent by the control module.
The image processing module consists of an image preprocessing unit, a skin color segmentation unit and a feature extraction unit, wherein the image preprocessing unit is used for carrying out filtering denoising processing on an image by adopting a linear smoothing filter, the skin color segmentation unit is used for carrying out region segmentation on a local region in an acquired image according to the skin color degree, and the feature extraction unit is used for extracting feature data information of the image processed by the image preprocessing unit and the skin color segmentation unit.
After the collected image is subjected to image preprocessing, a Gaussian model of skin color distribution is established in an rgb color space, a skin color probability likelihood image is obtained, and segmentation of skin color areas is completed under an optimal dynamic threshold selection algorithm. The method comprises the specific processes of carrying out face feature screening on the obtained skin color region by adopting mathematical morphology and some priori knowledge, calculating deflection angle and area of a candidate face image block, adjusting a template, optimizing template registration, improving the accuracy of template matching, and inhibiting interference of face image noise by using the candidate face image region and the template centroid as an origin of registration.
The RGB model is a normalized RGB model, and generally only uses (r, g) space, so that conversion from three-dimensional space to two-dimensional space is realized, gray values refer to the possibility that color image pixels belong to a skin color model, a gray image is converted into a gray image, the gray value of the color image corresponds to the possibility that the skin color belongs to a skin area, a Gaussian distribution center is obtained according to Gaussian distribution of skin color in a chromaticity space, and then the similarity of the skin color is calculated according to the distance between all pixels of the image and the central point, so that a skin color similarity gray image is obtained.
The characteristic reading-in module consists of a deflection angle calculation unit, a face integral analysis unit and a parameter adjustment unit, wherein the deflection angle calculation unit is used for calculating the angle deflection angle of the face according to the acquired image information, the face integral analysis unit is used for analyzing the occupation ratio of the face area to the display area according to the acquired image information, and the parameter adjustment unit is used for carrying out corresponding parameter adjustment on the acquired image according to the parameters analyzed by the deflection angle calculation unit and the face integral analysis unit.
When the face area is analyzed, a segmented area is selected, a face template is placed in the area, the face template is to be scaled again according to the size of the segmented area, the gradient of the segmented area is used for rotating the face template at a certain angle, the centers of the segmented area and the face template are determined, so that the face template can be directly placed in the center of the area, after a false area is removed, the template face can be covered on the remaining area considered as the face, and template matching correlation operation is performed, namely, the correlation coefficient of a correlation segmented area matrix between two image matrixes is calculated to be 0.6 or higher, an original image is displayed by using a gray image, and the face template is placed in the segmented area.
The feature matching module consists of a cover eliminating unit, a skin color reading unit, a feature reading unit and a feature summarizing unit, wherein the cover eliminating unit is used for eliminating the cover on the face in the acquired image, the skin color reading unit and the feature reading unit are used for reading the skin color and the feature data analyzed and transmitted in the feature reading module, and carrying out matching comparison on the resource information transmitted by the resource library module, and the feature summarizing unit is used for summarizing and collating the feature data after analysis is completed.
The manager access module consists of a right management unit and a right setting unit, wherein the right management unit and the right setting unit are used for managing and setting the right of a visitor logging in the system, the setting module consists of a password digit setting unit and a valid time setting unit, and the password digit setting unit and the valid time setting unit are used for setting and managing the digits of the temporary password and the valid time of the temporary password.
The temporary password is used within the use time range, and after the use time of the temporary password is over, the temporary password loses the effect, so that external personnel can be prevented from freely entering and exiting the restricted area by adopting the temporary password, and the security of personnel flow is improved.
The warning module is provided with a warning lamp warning unit and a buzzer warning unit, the warning lamp warning module is used for warning the warning lamp after the information reading module reads the error information, and the buzzer warning unit is used for warning the buzzer after the information reading module reads the error information.
After the information reading module reads the error information, the alarm lamp and the buzzer are arranged on site to carry out alarm reminding, so that a worker can timely find out external invaders.
The data backup module consists of a personnel flow recording unit and an external personnel recording unit, wherein the personnel flow recording unit is used for synchronously recording the flow records of registered personnel in the resource library, and the external personnel recording unit is used for recording the external personnel flow records of personnel outside the resource library and using temporary passwords.
A management method of a personnel circulation management system based on intelligent face recognition comprises the following management steps:
s1: when the personnel in the registered system in the resource library flow, the image acquisition module acquires the image information data of the personnel, and the acquired image information data is processed by the image processing module and the feature reading module and then the analyzed and extracted image feature data is transmitted to the feature matching module;
s2: the resource library module transmits information data in the resource library to the feature matching module through the transmission module in real time to serve as basic data, then feature matching matches the received feature data with the basic data, then the matching information data is transmitted to the result generation module to generate a corresponding matching result, and then the matching result is transmitted to the information reading module to be read;
s3: when a person not registered in the system accesses the resource library, a manager or a worker logs in the system through the management access module, and sets parameters of a temporary password through the setting module, and the temporary password is generated through the temporary password generating module;
s4: when entering, an external person inputs a temporary password, and meanwhile, the temporary password reading module reads the temporary password and transmits the read information to the information reading module through the second transmission module to carry out information reading judgment;
s5: the information reading module sends corresponding control information to the control module according to the read information after reading the received information, and the control module controls the entrance guard to set to be opened or closed correspondingly after receiving the corresponding control information.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a personnel circulation management system based on face intelligent recognition, includes image acquisition module and management access module, its characterized in that: the transmitting end of the image acquisition module is connected with the receiving end of the image processing module, the transmitting end of the image processing module is connected with the receiving end of the characteristic reading module, the transmitting end of the characteristic reading module is connected with the receiving end of the characteristic matching module, the transmitting end of the characteristic matching module is connected with the receiving end of the result generating module, and the transmitting end of the result generating module is connected with the receiving end of the control module through the information reading module;
the image acquisition module is used for acquiring facial images of people and transmitting the facial images to the image processing module, the image processing module is used for processing the facial images of the people acquired by the image acquisition module and transmitting the processed facial images of the people to the feature reading module, the feature reading module is used for reading and analyzing facial features of the processed facial images of the people and transmitting the analyzed and read facial data to the feature matching module for data matching, the feature matching module is used for analyzing and comparing the feature data read and analyzed by the feature reading module with the personnel data in the resource library and transmitting the matching data information to the result generating module, the result generating module is used for generating corresponding matching results according to the matching data information transmitted by the feature matching module, the information reading module is used for reading the matching results and transmitting control information to the control module, and the control module is used for controlling the running state of the equipment according to the control information transmitted by the information reading module.
2. The personal circulation management system based on intelligent face recognition according to claim 1, wherein: the sending end of the management access module is connected with the receiving end of the setting module, the sending end of the setting module is connected with the receiving end of the temporary password generating module, the sending end of the temporary password generating module is connected with the receiving end of the temporary password reading module, and the sending end of the temporary password reading module is connected with the receiving end of the information reading module through the second transmission module;
the management access module is used for granting authority of a manager or a worker to log in the system, the setting module is used for setting temporary passwords and other system management parameters by the manager or the worker, the temporary password generating module is used for generating the temporary passwords according to parameter adjustment of the setting module, and the temporary password reading module is used for reading and analyzing the temporary passwords and transmitting reading and analyzing results to the information reading module through the second transmission module.
3. The personal circulation management system based on intelligent face recognition according to claim 1, wherein: the receiving end of the characteristic matching module is connected with the transmitting end of the resource library module through the first transmission module, the transmitting end of the information reading module is connected with the receiving end of the early warning module, and the transmitting end of the control module is connected with the receiving end of the data backup module;
the resource library module is used for transmitting the staff information recorded in the system to the feature matching module through the first transmission module to serve as a data basis for feature comparison, the early warning module is used for carrying out early warning after the information reading module fails to read, and the data backup module is used for carrying out data backup on the information sent by the control module.
4. The personal circulation management system based on intelligent face recognition according to claim 1, wherein: the image processing module consists of an image preprocessing unit, a skin color segmentation unit and a feature extraction unit, wherein the image preprocessing unit is used for carrying out filtering denoising processing on an image by adopting a linear smoothing filter, the skin color segmentation unit is used for carrying out region segmentation on a local region in an acquired image according to the skin color degree, and the feature extraction unit is used for extracting feature data information of the image processed by the image preprocessing unit and the skin color segmentation unit.
5. The personal circulation management system based on intelligent face recognition according to claim 1, wherein: the characteristic reading-in module consists of a deflection angle calculation unit, a face integral analysis unit and a parameter adjustment unit, wherein the deflection angle calculation unit is used for calculating the angle deflection angle of the face according to the acquired image information, the face integral analysis unit is used for analyzing the occupation ratio of the face area to the display area according to the acquired image information, and the parameter adjustment unit is used for carrying out corresponding parameter adjustment on the acquired image according to the parameters analyzed by the deflection angle calculation unit and the face integral analysis unit.
6. The personal circulation management system based on intelligent face recognition according to claim 1, wherein: the feature matching module consists of a cover elimination unit, a skin color reading unit, a feature reading unit and a feature summarizing unit, wherein the cover elimination unit is used for eliminating a cover on a face in an acquired image, the skin color reading unit and the feature reading unit are used for reading skin colors and feature data analyzed and transmitted in the feature reading module, matching and comparing resource information transmitted by the resource library module, and the feature summarizing unit is used for summarizing and collating the feature data after analysis is completed.
7. The personal circulation management system based on intelligent face recognition according to claim 2, wherein: the manager access module consists of a right management unit and a right setting unit, wherein the right management unit and the right setting unit are used for managing and setting the right of a visitor logging in the system, the setting module consists of a password bit setting unit and a valid time setting unit, and the password bit setting unit and the valid time setting unit are used for setting and managing the bit number of the temporary password and the valid time of the temporary password.
8. A personal circulation management system based on intelligent face recognition according to claim 3, wherein: the warning module is composed of a warning lamp warning unit and a buzzer warning unit, the warning lamp warning module is used for warning the warning lamp after the information reading module reads the error information, and the buzzer warning unit is used for warning the buzzer after the information reading module reads the error information.
9. A personal circulation management system based on intelligent face recognition according to claim 3, wherein: the data backup module consists of a personnel flow recording unit and an external personnel recording unit, wherein the personnel flow recording unit is used for synchronously recording the flow records of registered personnel in the resource library, and the external personnel recording unit is used for recording the external personnel flow records of personnel outside the resource library and using temporary passwords.
10. A method of managing a person circulation management system based on intelligent face recognition according to any one of claims 1 to 9, comprising the following management steps:
s1: when the personnel in the registered system in the resource library flow, the image acquisition module acquires the image information data of the personnel, and the acquired image information data is processed by the image processing module and the feature reading module and then the analyzed and extracted image feature data is transmitted to the feature matching module;
s2: the resource library module transmits information data in the resource library to the feature matching module through the transmission module in real time to serve as basic data, then feature matching matches the received feature data with the basic data, then the matching information data is transmitted to the result generation module to generate a corresponding matching result, and then the matching result is transmitted to the information reading module to be read;
s3: when a person not registered in the system accesses the resource library, a manager or a worker logs in the system through the management access module, and sets parameters of a temporary password through the setting module, and the temporary password is generated through the temporary password generating module;
s4: when entering, an external person inputs a temporary password, and meanwhile, the temporary password reading module reads the temporary password and transmits the read information to the information reading module through the second transmission module to carry out information reading judgment;
s5: the information reading module sends corresponding control information to the control module according to the read information after reading the received information, and the control module controls the entrance guard to set to be opened or closed correspondingly after receiving the corresponding control information.
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