CN114049718A - Access control system based on face recognition - Google Patents
Access control system based on face recognition Download PDFInfo
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- G—PHYSICS
- G07—CHECKING-DEVICES
- 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
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
- G07C9/37—Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition
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- G—PHYSICS
- G07—CHECKING-DEVICES
- 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
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/38—Individual registration on entry or exit not involving the use of a pass with central registration
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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Abstract
The application relates to the technical field of access control systems, in particular to an access control system based on face recognition, which comprises: the human face image acquisition module is used for shooting human face images to form human face image data; the data processing module is used for processing the acquired face image to form processed data; the data comparison module is used for comparing the processed data with prestored face image data to form a comparison result; the control module is used for controlling the entrance guard to open or close according to the comparison result; the information sending module is used for generating and sending authentication information; the information receiving module is used for receiving feedback information of the user terminal about the authentication information; the alarm module is used for sending alarm information to the police; the application provides an access control management system based on face identification, have can remote identification and open the door and if the administrator does not see under the condition of the SMS of opening the door the system can contact urgent contact person and assist and open the door to meet the effect that violence breaks the door and can remote alarm.
Description
Technical Field
The application relates to the technical field of access control systems, in particular to an access control management system based on face recognition.
Background
With the continuous progress of society and the urgent requirement for a fast and effective automatic identity authentication mode, the biometric identification technology is rapidly developed in the near period of time. Among them, the face recognition technology is the most common and popular biometric recognition technology. The face recognition technology is a recognition technology for performing identity authentication by using physiological characteristics or behavior characteristics which are owned by human beings and can mark the identities of the human beings based on a biological characteristic recognition mode.
The application of the face recognition technology is very wide, and the face recognition technology can be applied to a public security skynet system, a mobile phone face unlocking system, a family access control management system and the like. In the existing home access control management system, a camera arranged on a door lock is used for shooting a human face, and an acquired human face image or video is identified; if the identification is successful, the door is opened, if the identification is unsuccessful, the information is sent to the owner, and the owner realizes remote one-key door opening through the processing of a mobile phone end or other terminals.
However, in the existing access control management system, when the owner misses the information prompt for reasons, the information is not processed in time, and visitors or personnel outside the door can be blocked outside the door for a long time. Moreover, when the existing access control system encounters an illegal or abnormal access behavior, such as a lock is pried into a room or a door is broken violently, the alarm cannot be given to an police party autonomously, so that the illegal or abnormal access behavior cannot be effectively avoided.
Disclosure of Invention
In order to solve the problem that in the conventional technology, when the owner misses the information prompt for reasons and does not process the information in time, visitors or personnel outside the door are blocked outside the door for a long time. And when the existing access control system encounters an illegal or abnormal access behavior, such as a lock is pried into a room or a door is broken violently, the alarm cannot be given to an police party autonomously, so that the technical problem that the illegal or abnormal access behavior cannot be effectively avoided is solved. The application provides an access control management system based on face recognition.
In order to achieve the above object, the present application provides an access control system based on face recognition, including: the system comprises a face image acquisition module, a data processing module, a data comparison module, a control module, an information sending module, an information receiving module and an alarm module;
the face image acquisition module is used for shooting face images to form face image data;
the data processing module is used for processing the acquired face image to form processed data;
the data comparison module is used for comparing the processing data with prestored face image data to form a comparison result;
the control module is used for controlling the entrance guard to open or close according to the comparison result;
the information sending module is used for generating and sending authentication information;
the information receiving module is used for receiving feedback information of the user terminal about the authentication information;
the alarm module is used for sending alarm information to the police;
if the comparison result is that the comparison is successful, the control module controls the entrance guard to open so as to open the door;
if the comparison result is that the comparison fails, the information sending module starts the authentication information to the user terminal;
if the feedback information is that the authentication is passed, the control module controls the entrance guard to open so as to open the door;
and if the feedback information is authentication failure, the alarm module sends alarm information to the police.
By adopting the technical scheme, the image acquisition module is used for photographing and acquiring the face picture, the acquired face picture information is identified and processed by the data processing module key, the characteristic part picture is intercepted, then the intercepted characteristic part picture is compared with the prestored characteristic part picture by the data comparison unit, if the comparison is successful, the control module performs door opening operation, if the comparison is unsuccessful, the information sending module sends an editing short message to the owner, if the owner agrees to open the door after authentication, the door opening information is fed back, the control module opens the door lock, if a thief enters, the owner can give an alarm by one key, the system sends the face image information to the public security alarm system, and the police locks the suspect according to the information. If the owner does not process the door opening request information within a certain time, the system can send the short message again, and if the owner does not process the door opening request information within the certain time, the system can send the short message to the preset emergency contact again to enable the emergency contact to assist in processing. Therefore, the door can be remotely identified and opened, the system can contact an emergency contact to assist in opening the door if a manager does not see the door opening short message, and the remote alarm effect can be realized when a thief steals the door.
Optionally, the face image acquisition module includes: the device comprises a sensing unit and a photographing unit;
the induction unit is used for inducing whether a person approaches the access control system or not to generate induction information;
the photographing unit is used for photographing a face image to form face image data;
and if the induction information indicates that someone approaches the access control system, the induction unit takes a picture to form the human face image data.
Through adopting above-mentioned technical scheme, when someone was close to access control system, the induction element will respond to give the unit of shooing with information transfer, the unit of shooing will shoot the face, take the photo of face, then convey the photo information to next module, can respond rapidly like this when someone needs to open the door, shoot the face photo, and convey the module at the back and handle.
Optionally, the data processing module includes: a feature identification unit and a feature interception unit;
the characteristic identification unit is used for identifying characteristic parts of the face image data and generating characteristic part information;
the feature intercepting unit is used for intercepting feature image information corresponding to the feature part in the face image data to generate processing data;
by adopting the technical scheme, the receiving module receives the photo information output by the last module, the characteristic identification unit identifies the characteristic part of the photo, and after the identification is finished, the characteristic interception unit intercepts the identified characteristic part photo and transmits the intercepted characteristic part photo to the next module. Therefore, the data processing module can intercept the characteristic part, can better compare the characteristic part in the later process, and can improve the accuracy of the face by intercepting the characteristic part.
Optionally, the data comparing module includes: the image characteristic data storage unit and the comparison unit;
the image characteristic data storage unit is used for prestoring face image data;
the comparison unit is used for calling the face image data and comparing the face image data with the processing data to generate a comparison result;
by adopting the technical scheme, when the face characteristic part photo intercepted by the previous module is transmitted to the module, the comparison unit can quickly call the face characteristic photo which is stored in the image characteristic data storage unit before and is allowed to be opened, and then the comparison unit compares the face characteristic part photo intercepted by the previous module with the previously stored characteristic part photo. Comparison of carrying out the photo that like this can be quick can let the people who allows to get into indoor fast, lets other people be kept apart outdoor better, has played safer guard effect.
Optionally, the control module includes: an unlocking unit and an analyzing unit;
the analysis unit analyzes the comparison result;
the unlocking unit is used for unlocking operation;
if the comparison result is successful, the unlocking unit carries out unlocking operation;
if the comparison result fails, generating comparison failure information;
by adopting the technical scheme, when the comparison of the last module is successful, the unlocking unit of the module can unlock the door lock to let outdoor people enter the room, when the comparison is successful, the information of the failure of the comparison result can be generated, then the information of the failure of the comparison is transmitted to the next module, and the following module is allowed to judge whether to open the door. Therefore, the door can be opened better. The door can be opened automatically without manual opening.
Optionally, the information sending module includes: an information editing unit and an information transmitting unit;
the information editing unit is used for editing the authentication information;
the information sending unit is used for sending the authentication information to the user terminal.
By adopting the technical scheme, if the comparison of the characteristic part photos by the above module fails, the information editing unit can edit the serious information, and then the information is sent to the user terminal through the information sending unit, so that the user terminal can confirm whether to open the door of the person entering the room. Therefore, whether the door is opened or not is confirmed by sending the authentication information to the user terminal, so that misjudgment can be prevented, people outside the door can not enter the door, the safety is improved, the user terminal can see facial photos of people needing to enter the door, and the user terminal can better pre-judge people outside the door.
Optionally, the system further comprises a judging module and a counting module;
the judging module is used for judging whether the information receiving module receives the feedback information within a preset time to form a judging result;
the counting module is used for recording the times of sending the authentication information to the user terminal by the information sending unit as the sending times;
if the judgment result is that the feedback information is not received and the sending times are smaller than a time threshold value, the information sending unit sends the authentication information to the user terminal again;
and if the judgment result is that the feedback information is not received and the sending times are greater than or equal to the time threshold, the information sending unit sends the authentication information to the standby terminal.
By adopting the technical scheme, after the information sending unit sends the information to the user terminal, the judging module judges whether the user terminal sends the feedback information to the information receiving module within the preset time, and if the user terminal does not send the feedback information, the information sending module sends the authentication information to the user terminal again. The recording module records the number of times for recording the short message sent by the information sending unit to the user terminal, and if the number of times is greater than or equal to the set threshold value, the information sending unit sends the authentication information to the standby terminal which is previously arranged in the system again. Therefore, the client terminal can be prevented from missing the authentication short message when busy, and the outdoor people can be kept out of the door for a long time, and the standby terminal can assist the user terminal to assist in completing the authentication by sending the authentication to the standby terminal, and the outdoor people can be prevented from being kept out of the door for a long time.
Optionally, the information receiving module includes: an information receiving unit and an information identifying unit;
the information receiving unit is used for receiving the feedback information of the user terminal;
the information identification unit is used for identifying the content of the feedback information.
By adopting the technical scheme, after the user terminal feeds back information, the information receiving unit receives the feedback information, the information identification unit identifies the received feedback information, if the feedback information is door opening information, the identification unit prompts the door opening unit to open a door, and if the feedback information is alarm information, the identification element transmits the information to the alarm module. Therefore, the information of the user terminal can be better received and the operation instruction which needs to be completed by the user terminal can be identified.
Optionally, the alarm module includes: the device comprises an alarm unit and a positioning unit;
the positioning unit is used for positioning the position corresponding to the entrance guard to form positioning information.
The alarm unit is used for sending alarm information and the positioning information to a police;
by adopting the technical scheme, if the user terminal seriously finds that the object to be opened is a stranger, the user terminal alarm unit sends the position information, the image information and the alarm information content to the public security alarm system together. Therefore, illegal door prying and violent door opening can be prevented, thieves are prevented from stealing the door, and the crime rate can be reduced.
Optionally, if the comparison result is that the comparison is successful, the control module controls the entrance guard to open so as to open the door;
if the comparison result is successful, the data comparison unit is used for comparing whether the door opening time of the processed data is the same as the door opening time of the prestored face image data or not;
if the door opening time of the processed data is the same as the door opening time of the prestored face image data, the unlocking unit opens the door lock;
and if the door opening time of the processed data is different from the door opening time of the prestored human face image data, the unlocking unit closes the door lock.
Through adopting above-mentioned technical scheme, when the face of shooing is the same with the face photo of prestoring, control module should open the door this time, and this time system can compare again whether this face opens the door in the time that corresponds, if mismatch with the time of predetermineeing to open the door, still can not open the door. Thus, the human face is set for one time, and one disturbance to the user outside the specified time can be prevented.
In summary, the present application has the following beneficial technical effects:
when someone approaches, the induction unit can induce, then the photographing unit photographs the face, after the photographing unit photographs, the picture is transmitted to the feature recognition unit, and the feature part of the picture is recognized by the feature recognition unit. Then the characteristic intercepting unit intercepts the recognized characteristic part picture and then transmits the intercepted characteristic part picture to the recognition unit. The comparison unit calls the characteristic part picture stored in the image characteristic data storage unit, and then the comparison unit compares the intercepted characteristic part picture with the pre-stored characteristic part picture. If the comparison is successful, the comparison unit compares whether the photographing time is the same as the visiting permission time set by the portrait, if so, the unlocking unit unlocks, and if the comparison is failed, the information editing unit edits the authentication information and sends the authentication information to the user terminal through the information sending unit for authentication. If the user terminal does not reply within the preset time, the information sending unit sends the authentication information to the user terminal again, and if the user terminal does not reply after the sending times reach the preset value, the information sending unit sends the authentication information to the standby terminal. If the user terminal passes the authentication, the unlocking unit unlocks the door lock, if the user terminal is a stranger, the user terminal can give an alarm by one key, and the alarm unit can send the navigation positioning information, the face image information and the alarm content to the public security alarm platform.
The system can remotely identify and open the door, and if the administrator does not see the door opening short message, the system can contact the emergency contact person to assist in opening the door, and the door can be remotely alarmed when the administrator breaks the door violently.
Drawings
FIG. 1 is a schematic diagram of an access control system based on face recognition;
FIG. 2 is a schematic diagram of a face image acquisition module according to the present embodiment;
FIG. 3 is a schematic diagram of a data processing module according to the present embodiment;
FIG. 4 is a schematic diagram of a data comparison module according to the present embodiment;
FIG. 5 is a schematic diagram of a control module according to the present embodiment;
FIG. 6 is a schematic diagram of an information sending module according to the present embodiment;
FIG. 7 is a schematic diagram of an information receiving module according to the present embodiment;
FIG. 8 is a schematic diagram of an alarm module according to the present embodiment;
reference numerals: 1. a face image acquisition module; 2. a data processing module; 3. a data comparison module; 4. a control module; 5. an information sending module; 6. an information receiving module; 7. an alarm module; 8. a judgment module; 9. a counting module; 11. a sensing unit; 12. a photographing unit; 21. a feature recognition unit; 22. a feature intercepting unit; 31. an image feature data storage unit; 32. a comparison unit; 41. an analysis unit; 42. an unlocking unit; 51. an information editing unit; 52. an information transmitting unit; 61. an information receiving unit; 62. an information identification unit; 71. a positioning unit; 72. and an alarm unit.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
Referring to fig. 1, the embodiment discloses an access control system based on face recognition, including: the system comprises a face image acquisition module 1, a data processing module 2, a data comparison module 3, a control module 4, an information sending module 5, an information receiving module 6 and an alarm module 7;
the face image acquisition module 1 is used for shooting face images to form face image data;
the head portrait acquisition module consists of an induction unit 11 and a photographing unit 12 and is used for inducing a human face and photographing a facial photo of the human face.
The data processing module 2 is used for processing the acquired face image to form processed data;
the data processing module 2 is composed of a feature recognition unit 21 and a feature intercepting unit 22, and is used for recognizing the feature part of the shot face picture, intercepting the picture of the feature part, and transmitting the intercepted picture to the next unit for processing.
The data comparison module 3 is used for comparing the processed data with prestored face image data to form a comparison result;
the data comparison module 3 is composed of two units, namely an image feature data storage unit 31 and a comparison unit 32, wherein the unit is mainly used for comparing the feature picture captured by the previous unit and judging whether the shot feature picture is the same as the pre-stored feature picture.
The control module 4 is used for controlling the entrance guard to open or close according to the comparison result;
the control module 4 is mainly used for controlling the closing and opening of the door lock. The device mainly comprises an unlocking unit 42, and when the comparison result of the last unit is successful, the unlocking unit 42 receives information to unlock the door lock and enable outdoor people to enter the room.
The information sending module 5 is used for generating and sending authentication information;
the information generating module is mainly composed of an information editing unit 51 and an information transmitting unit 52. When the comparison unit 32 fails, the information editing unit 51 receives the instruction and edits the authentication information to transmit the authentication information to the remote user terminal through the information transmitting unit 52.
The information receiving module 6 is used for receiving feedback information of the user terminal about the authentication information;
the information receiving module 6 is composed of an information receiving unit 61 and an information identifying unit 62, and mainly receives feedback information of the user terminal, identifies the feedback information, and transmits feedback instructions to different modules respectively to complete the instructions.
The alarm module 7 is used for sending alarm information to the police;
the alarm module 7 comprises an alarm unit 72 and a positioning unit 71, when the user feedback information is alarm, the positioning unit 71 sends the position information of the entrance guard to the alarm unit 72, and the alarm unit 72 sends the shot face picture, the alarm information and the positioning information to an alarm system of a public security system.
If the comparison result is that the comparison is successful, the control module 4 controls the entrance guard to open so as to open the door;
if the comparison result is that the comparison fails, the information sending module 5 sends authentication information to the user terminal;
if the feedback information is that the authentication is passed, the control module 4 controls the entrance guard to open so as to open the door;
if the feedback information is authentication failure, the alarm module 7 sends alarm information to the police.
By adopting the technical scheme, the image acquisition module is used for photographing and acquiring the face picture, the acquired face picture information is identified and processed by a data processing module 2 key, the characteristic part picture is intercepted, then the intercepted characteristic part picture is compared with a prestored characteristic part picture by a data comparison unit 32, if the comparison is successful, the control module 4 performs door opening operation, if the comparison is unsuccessful, an editing short message is sent to an owner by an information sending module 5, if the owner agrees to open the door after authentication, the door opening information is fed back, the control module 4 opens a door lock, if a thief enters, the owner can give an alarm by one key, the system sends the face picture information and the positioning information to a public security alarm system, and an police locks a suspect according to the information. If the owner does not process the door opening request information within a certain time, the system can send the short message again, and if the owner does not process the door opening request information within the certain time, the system can send the short message to the preset emergency contact again to enable the emergency contact to assist in processing. Therefore, the door can be remotely identified and opened, the system can contact an emergency contact to assist in opening the door if a manager does not see the door opening short message, and the remote alarm effect can be realized when a thief steals the door.
In one implementation of this embodiment, referring to fig. 2, the face image acquisition module 1 includes: a sensing unit 11 and a photographing unit 12;
the sensing unit 11 is used for sensing whether a person approaches the access control system or not and generating sensing information;
when a person approaches the access control system, the sensing unit 11 senses the face.
In the present embodiment, the sensing unit 11 senses the human face using the optical sensor, and the specific device selection of the sensing unit 11 is selected according to the actual requirement.
If the sensing information indicates that someone approaches the access control system, the sensing unit 11 takes a picture to form face image data.
The photographing unit 12 is configured to photograph a face image to form face image data;
in this embodiment, the photographing unit 12 uses a high-definition photographing camera to photograph a face, and transmits the face photograph to the next unit after photographing
Adopt this technical scheme, when someone was close to access control system, induction element 11 will respond to with information transfer for the unit 12 of shooing, the unit 12 of shooing will shoot the face, take the photo of face, then convey the photo information to next module, can be like this when someone needs to open the door, the system reacts rapidly, shoots the photo of face, and convey to the module at back and handle.
In one implementation of this embodiment, referring to fig. 3, the data processing module 2 includes: a feature recognition unit 21 and a feature extraction unit 22;
the feature recognition unit 21 is configured to recognize a feature of the face image data and generate feature information;
in this embodiment, the characteristic portions are: eyes, nose and mouth, and other features such as: eye sockets, the chin and the face are selected according to actual conditions.
After the feature recognition unit 21 recognizes the feature, the feature is marked, and then the picture is transmitted to the following feature extraction unit 22.
The feature intercepting unit 22 is configured to intercept feature image information corresponding to the feature part in the face image data, and generate processing data;
after the feature extraction unit 22 receives the photo marked by the feature recognition unit 21, the feature extraction unit 22 extracts the marked feature part, and generates the extracted feature part photo as processing data.
By adopting the technical scheme, the receiving module receives the photo information output by the previous module, the characteristic identification unit 21 identifies the characteristic part of the photo, after the identification is finished, the characteristic interception unit 22 intercepts the identified characteristic part photo, and then transmits the intercepted characteristic part photo to the next module. Therefore, the data processing module 2 can intercept the characteristic part, can better compare the characteristic part in the later process, and can improve the accuracy of the face through the interception of the characteristic part.
In one implementation manner of this embodiment, referring to fig. 4, the data comparing module 3 includes: an image feature data storage unit 31 and a comparison unit 32;
the image characteristic data storage unit 31 is used for prestoring face image data;
the image feature data storage unit 31 stores previously set face feature photograph information that can be opened, and time information that allows opening of the door, inside the unit.
The comparison unit 32 is used for calling the face image data and comparing the face image data with the processing data to generate a comparison result;
when the comparison unit 32 receives the picture of the feature part captured by the image feature capture unit 22, the comparison unit 32 immediately calls the image feature data storage unit 31 to compare the previously set information of the face feature picture which can be opened, so as to generate a comparison result, and then feeds back the comparison result to the following module.
By adopting the technical scheme, when the face characteristic part picture intercepted by the previous module is transmitted to the module, the comparison unit 32 can quickly call the face characteristic picture which is stored in the image characteristic data storage unit 31 before and is allowed to be opened, and then the comparison unit 32 compares the face characteristic part picture intercepted by the previous module with the pre-stored characteristic part picture. Comparison of carrying out the photo that like this can be quick can let the people who allows to get into indoor fast, lets other people be kept apart outdoor better, has played safer guard effect.
In one implementation of this embodiment, referring to fig. 5, the control module 4 includes: an unlocking unit 42 and an analyzing unit 41;
the analysis unit 41 analyzes the alignment result;
the analyzing unit 41 analyzes the comparison result of the comparing unit 32, and if the comparison result is successful, the unlocking unit 42 performs the unlocking operation; if the comparison result fails, generating comparison failure information;
the unlocking unit 42 is used for unlocking operation;
if the comparison result analyzed by the analysis unit 41 is successful, the door opening unit opens the door lock. Let the people outside enter the room.
By adopting the technical scheme, when the comparison of the last module is successful, the unlocking unit 42 of the module can unlock the door lock to let outdoor people enter the room, when the comparison is successful, the information of the failed comparison result can be generated, then the information of the failed comparison is transmitted to the next module, and the following module is allowed to judge whether to open the door. Therefore, the door can be opened better. The door can be opened automatically without manual opening.
In one implementation of this embodiment, referring to fig. 6, the information sending module 5 includes: an information editing unit 51 and an information transmitting unit 52;
the information editing unit 51 is used for editing the authentication information;
when the analysis unit 41 analyzes that the comparison result is a failure, the information editing unit 51 receives information of the failure of the comparison, and then edits the authentication message according to the information of the failure.
The information transmitting unit 52 is configured to transmit authentication information to the user terminal.
When the information editing unit 51 finishes editing the authentication information, the short message sending unit sends the edited authentication information to the user terminal. In the embodiment, the short message sending unit adopts radio propagation, and the selection is specifically performed according to the actual situation.
By adopting the technical scheme, if the comparison of the characteristic part photos by the above modules fails, the information editing unit 51 edits the careful information, and then the careful information is sent to the user terminal through the information sending unit 52, so that the user terminal can confirm whether to open the door of the person entering the room. Therefore, whether the door is opened or not is confirmed by sending the authentication information to the user terminal, so that misjudgment can be prevented, people outside the door can not enter the door, the safety is improved, the user terminal can see facial photos of people needing to enter the door, and the user terminal can better pre-judge people outside the door.
In one implementation of this embodiment, referring to fig. 6, the method further includes a determining module 8 and a counting module 9;
the judging module 8 is used for judging whether the information receiving module 6 receives the feedback information within the preset time to form a judging result;
in this embodiment, the preset time is 2 minutes, and may also be 3 minutes, 4 minutes, and the like, and the specific preset time is selected according to actual requirements.
The counting module 9 is used for recording the number of times that the information sending unit 52 sends the authentication information to the user terminal as the sending number of times;
the counting module 9 counts each time the information transmitting unit 52 transmits information to the user terminal.
If the determination result is that the feedback information is not received and the sending times is less than the time threshold, the information sending unit 52 sends the authentication information to the user terminal again;
if the user terminal has not replied to the message, the message sending unit 52 sends an authentication message to the user terminal at intervals.
If the determination result is that the feedback information is not received and the transmission frequency is greater than or equal to the frequency threshold, the information transmitting unit 52 transmits the authentication information to the backup terminal.
After the counting module 9 has counted for a certain number of times, the user terminal still continues not to reply the feedback information, then the information sending unit 52 will not send the authentication short message to the user terminal, and will send the authentication short message to the standby terminal, and the standby terminal assists in processing the authentication information.
In this embodiment, the threshold of the number of times is 2 times, and may be other numbers, such as: 3 times, 4 times, 5 times and the like, and the selection is specifically carried out according to the actual situation.
With this technical solution, after the information sending unit 52 sends information to the user terminal, the determining module 8 determines whether the user terminal sends feedback information to the information receiving module 6 within a preset time, and if the user terminal does not send feedback information, the information sending module 5 sends authentication information to the user terminal again. The recording module records the number of times for recording the short message sent by the information sending unit 52 to the user terminal, and if the number of times of sending is greater than or equal to the set threshold value, the information sending unit 52 sends the authentication information to the standby terminal previously set in the system again. Therefore, the client terminal can be prevented from missing the authentication short message when busy, and the outdoor people can be kept out of the door for a long time, and the standby terminal can assist the user terminal to assist in completing the authentication by sending the authentication to the standby terminal, and the outdoor people can be prevented from being kept out of the door for a long time.
In one implementation of this embodiment, referring to fig. 7, the information receiving module 6 includes: an information receiving unit 61 and an information identifying unit 62;
the information receiving unit 61 is used for receiving feedback information of the user terminal;
after the user terminal feeds back the feedback information, the information receiving unit 61 receives the feedback information fed back.
The information identifying unit 62 is used to identify the content of the feedback information.
When the information receiving unit 61 receives the feedback information, the identifying unit identifies the feedback information, and sends the identified information operation steps to the corresponding modules for operation.
By adopting the technical scheme, after the user terminal feeds back information, the information receiving unit 61 receives the feedback information, then the information identification unit 62 identifies the received feedback information, if the feedback information is door opening information, the identification unit prompts the door opening unit to open a door, and if the feedback information is alarm information, the identification element transmits the information to the alarm module 7. Therefore, the information of the user terminal can be better received and the operation instruction which needs to be completed by the user terminal can be identified.
In one implementation of this embodiment, referring to fig. 8, the alarm module 7 includes: an alarm unit 72 and a positioning unit 71;
the positioning unit 71 is configured to position a position corresponding to the door lock to form positioning information.
In this embodiment, the positioning unit 71 adopts the beidou navigation system for positioning, and may also use other positioning systems, such as: GPS, etc., and the selection is made according to actual conditions.
The alarm unit 72 is used for sending alarm information and positioning information to the police;
after the alarm unit 72 receives the alarm request sent by the information recognition unit 62, the alarm unit 72 sends the shot face picture, the alarm information and the position information to the public security alarm system for alarming.
By adopting the technical scheme, if the user terminal seriously finds that the object to be opened is a stranger, the user terminal alarm unit sends the position information, the image information and the alarm information content to the public security alarm system together. Therefore, illegal door prying and violent door opening can be prevented, thieves are prevented from stealing the door, and the crime rate can be reduced.
If the comparison result is that the comparison is successful, the control module 4 controls the entrance guard to open so as to open the door;
if the comparison result is successful, the data comparison unit 32 is configured to compare whether the door opening time of the processed data is the same as the door opening time of the pre-stored face image data;
if the door opening time of the processed data is the same as the door opening time of the prestored face image data, the unlocking unit 42 unlocks the door lock;
if the door opening time of the processed data is different from the door opening time of the pre-stored face image data, the unlocking unit 42 closes the door lock.
When the face feature part comparison is successful, the comparison unit 32 also compares whether the door opening time is consistent with the time preset by the system, and if the door is not opened within the specified time, the unlocking unit 42 closes the door lock.
Adopt this technical scheme, when the face of shooing is the same with the face photo of prestoring, control module 4 should open the door this time, and this time system can compare again whether this face opens the door at the time that corresponds, if mismatch with the time of predetermineeing to open the door, still can not open the door. Thus, the human face is set for one time, and one disturbance to the user outside the specified time can be prevented.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
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