CN113066206B - Screen-free face recognition intelligent lock and control method - Google Patents
Screen-free face recognition intelligent lock and control method Download PDFInfo
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- CN113066206B CN113066206B CN202110173292.9A CN202110173292A CN113066206B CN 113066206 B CN113066206 B CN 113066206B CN 202110173292 A CN202110173292 A CN 202110173292A CN 113066206 B CN113066206 B CN 113066206B
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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
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
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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
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00944—Details of construction or manufacture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a screenless face recognition intelligent lock and a control method. According to the invention, the biological recognition module is additionally arranged in the non-screen face recognition intelligent lock, and the image acquisition module is awakened by the biological recognition module when the user is detected to enter the intelligent lock recognition area, so that the image acquisition module does not need to be in a working state for a long time, and the energy consumption of the intelligent lock is effectively reduced; by additionally arranging the preprocessing module, the user images acquired by the image acquisition module are preprocessed by the preprocessing module, so that processing pressure can be shared for the central processing module, and the response speed of the intelligent lock is improved; through addding direction indication module, utilize direction indication module to replace the display screen and instruct user's adjustment to shoot position and distance, can remove from and set up the display screen, simplify the structure of intelligent lock, reduce the lock body volume of intelligent lock, reduce the energy consumption and the cost of intelligent lock, also need not to dispose corresponding functional circuit at the door plant openly simultaneously in practical application, be favorable to improving the security and the reliability of intelligent lock.
Description
Technical Field
The invention relates to the technical field of intelligent locks, in particular to a screenless face recognition intelligent lock and a control method.
Background
At present, most of the mainstream intelligent locks are fingerprint identification intelligent locks and face identification intelligent locks which apply biometric identification technology. Traditional face identification intelligence lock all designs has the display screen, though convenience of customers passes through the identification position of display screen contrast adjustment face to and type into interactive operation such as registration, machine setting, still exist following not enoughly:
1. the display screen occupies a large area, and the size of the lock body of the face recognition intelligent lock is difficult to reduce;
2. in consideration of an actual application scene, the display screen and the corresponding functional circuit thereof can only be arranged on the front side of the door plate, and a lock shell needs to be additionally designed on the front side of the door plate to protect the corresponding functional circuit of the display screen;
3. the display screen is in a working state for a long time, so that the waste of electric energy is caused, and the energy consumption is obviously increased.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the screen-free face recognition intelligent lock and the control method thereof, which can simplify the structure of the face recognition intelligent lock, reduce the volume of the lock body of the face recognition intelligent lock, improve the safety and reliability of the face recognition intelligent lock, and reduce the energy consumption and cost of the face recognition intelligent lock.
In order to solve the above technical problems, in a first aspect, an embodiment of the present invention provides a screenless face recognition intelligent lock, including a lock body and a control circuit; the control circuit comprises a biological identification module, an image acquisition module, a preprocessing module, a direction indicating module, a lock body control module and a central processing module;
the biometric identification module is used for detecting whether a user enters the identification area of the non-screen face identification intelligent lock or not, and awakening the image acquisition module when the user is detected to enter the identification area of the non-screen face identification intelligent lock;
the image acquisition module is used for acquiring a user image and sending the user image to the preprocessing module;
the preprocessing module is used for preprocessing the user image to obtain user face data, sending an indication control signal to the direction indication module when the user face data does not meet a preset condition, and sending a face recognition result of the user image to the central processing module when the user face data meets the preset condition;
the direction indicating module is used for sending corresponding direction indicating information to a user according to the indicating control signal;
the central processing module is used for sending a switch control signal to the lock body control module according to the face recognition result of the user image and the matching result of the pre-stored user face;
and the lock body control module is used for controlling the lock body to be opened or closed according to the switch control signal.
Further, the image acquisition module is further configured to acquire an authorized two-dimensional code and acquire a new user image when the authorized two-dimensional code is successfully authenticated;
the preprocessing module is further configured to preprocess the new user image to obtain new user face data, send an indication control signal to the direction indication module when the new user face data does not satisfy the preset condition, and send a face recognition result of the new user image to the central processing module when the new user face data satisfies the preset condition;
the central processing module is also used for storing the face recognition result of the new user image.
Furthermore, the image acquisition module comprises a camera module and a light supplement lamp set; the camera module is one of a visible light camera module, an infrared camera module and a visible light infrared binocular camera module.
Further, the direction indicating module comprises one or two of a direction indicating unit and a voice playing unit.
Furthermore, the direction indicating unit is an indicating lamp group consisting of a plurality of indicating lamps; the indicating lamps are distributed around the image acquisition module in the vertical direction and the horizontal direction.
Further, the control circuit further comprises the wireless communication module;
and the wireless communication module is used for interactive communication with the user terminal.
Further, the wireless communication module is one of a WiFi communication module, a Zigbee communication module, and a bluetooth communication module.
Further, the control circuit further comprises a data storage module;
and the data storage module is used for storing the pre-stored user faces.
In a second aspect, an embodiment of the present invention provides a control method for a screenless face recognition intelligent lock, which is suitable for the screenless face recognition intelligent lock, and includes:
driving the biological recognition module to detect whether a user enters a recognition area of the non-screen face recognition intelligent lock or not, and awakening the image acquisition module when the user is detected to enter the recognition area of the non-screen face recognition intelligent lock;
driving the image acquisition module to acquire a user image and sending the user image to the preprocessing module;
the preprocessing module is driven to preprocess the user image to obtain user face data, an indication control signal is sent to the direction indication module when the user face data do not meet preset conditions, and a face recognition result of the user image is sent to the central processing module when the user face data meet the preset conditions;
driving the direction indicating module to send corresponding direction indicating information to a user according to the indicating control signal;
driving the central processing module to send a switch control signal to the lock body control module according to a face recognition result of the user image and a matching result of a pre-stored user face;
and driving the lock body control module to control the lock body to be opened or closed according to the switch control signal.
Further, the control method of the screenless face recognition intelligent lock further comprises the following steps:
driving the image acquisition module to acquire an authorized two-dimensional code, and acquiring a new user image when the authorized two-dimensional code is successfully authenticated;
driving the preprocessing module to preprocess the new user image to obtain new user face data, sending an indication control signal to the direction indication module when the new user face data does not meet the preset condition, and sending a face recognition result of the new user image to the central processing module when the new user face data meets the preset condition;
and driving the central processing module to store the face recognition result of the new user image.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
the biological recognition module is additionally arranged in the non-screen face recognition intelligent lock, and the image acquisition module is awakened when the biological recognition module detects that a user enters a recognition area of the non-screen face recognition intelligent lock, so that the image acquisition module does not need to be in a working state for a long time, the electric energy is effectively saved, and the energy consumption of the non-screen face recognition intelligent lock is reduced; by additionally arranging the preprocessing module in the non-screen face recognition intelligent lock and utilizing the preprocessing module to preprocess the user image acquired by the image acquisition module, the processing pressure can be shared by the central processing module, and the response speed of the non-screen face recognition intelligent lock is improved; through add direction indication module in no screen face identification intelligence lock, utilize direction indication module to replace the display screen in the current face identification intelligence lock to instruct the user adjustment to shoot position and distance, can remove from and set up the display screen, simplify the structure of face identification intelligence lock, reduce the lock body volume of face identification intelligence lock, reduce the energy consumption and the cost of face identification intelligence lock, also need not to dispose corresponding functional circuit at the door plant openly in practical application simultaneously, be favorable to improving security and the reliability of no screen face identification intelligence lock.
Drawings
Fig. 1 is a schematic structural diagram of a screenless face recognition intelligent lock in a first embodiment of the invention;
FIG. 2 is a schematic structural diagram of a direction indicating unit according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a screenless face recognition intelligent lock according to a preferred embodiment in the first embodiment of the present invention;
FIG. 4 is a flowchart illustrating a control method of a screenless face recognition intelligent lock according to a third embodiment of the present invention;
fig. 5 is a flowchart illustrating a control method of a screenless face recognition intelligent lock according to a third embodiment of the present invention.
Wherein the reference numbers in the drawings of the specification are as follows:
1: a lock body; 2: a control circuit; 21: a biometric identification module; 22: an image acquisition module; 23: a preprocessing module; 24: a direction indicating module; 25: a lock body control module; 26: a central processing module; 27: a wireless communication module; 28: and a data storage module.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment:
as shown in fig. 1, a first embodiment provides a screenless face recognition intelligent lock, which includes a lock body 1 and a control circuit 2; the control circuit 2 comprises a biological identification module 21, an image acquisition module 22, a preprocessing module 23, a direction indicating module 24, a lock body control module 25 and a central processing module 26; the biometric identification module 21 is used for detecting whether the user enters the identification area of the non-screen face identification smart lock or not, and awakening the image acquisition module 22 when the user is detected to enter the identification area of the non-screen face identification smart lock; the image acquisition module 22 is used for acquiring a user image and sending the user image to the preprocessing module 23; the preprocessing module 23 is configured to preprocess the user image to obtain user face data, send an indication control signal to the direction indication module 24 when the user face data does not meet a preset condition, and send a face recognition result of the user image to the central processing module 26 when the user face data meets the preset condition; the direction indicating module 24 is used for sending corresponding direction indicating information to the user according to the indicating control signal; the central processing module 26 is configured to send a switch control signal to the lock body control module 25 according to a matching result between a face recognition result of the user image and a pre-stored face of the user; and the lock body control module 25 is used for controlling the lock body 1 to be opened or closed according to the switch control signal.
It should be noted that the image acquisition module 22 is connected to the central processing module 26 through the preprocessing module 23, the preprocessing module 23 is connected to the direction indication module 24, the biometric identification module 21, and the lock body control module 25 are respectively connected to the central processing module 26, and the lock body control module 25 is connected to the lock body 1.
In a preferred embodiment of the present embodiment, the biometric module 21 is a human body sensor.
In a preferred embodiment of this embodiment, the image capturing module 22 includes a camera module and a light supplement lamp set; the camera module is one of visible light camera module, infrared camera module, the infrared binocular camera module of visible light.
This embodiment adopts camera module and light filling banks as image acquisition module 22, is favorable to improving the image quality of user's image.
In a preferred implementation manner of this embodiment, the direction indicating module 24 includes one or two of a direction indicating unit and a voice playing unit.
Illustratively, the working principle of the screenless face recognition intelligent lock is as follows:
the biological recognition module 21 wakes up the central processing module 26 and the image acquisition module 22 when detecting that the user enters the recognition area of the screenless face recognition intelligent lock. The image capturing module 22 captures a user image and transmits the captured user image to the preprocessing module 23. The preprocessing module 23 preprocesses the user image to obtain user face data, and determines whether the user face data, that is, the integrity, position, distance, and the like of the face satisfy preset conditions, if not, generates an adjustment parameter according to the offset position of the face in the user image, and further sends a corresponding indication control signal to the direction indication module 24 according to the adjustment parameter, and controls a direction indication unit in the direction indication module 24 to indicate a light set to be turned on or off and/or a voice playing unit to play corresponding voice, so as to indicate the user to adjust the shooting position and distance; if yes, face recognition is performed on the user image, and the obtained face recognition result is sent to the central processing module 26. The central processing module 26 receives the face recognition result of the user image, and sends a corresponding switch control signal to the lock body control module 25 according to the face recognition result of the user image, so that the lock body control module 25 controls the clutch action of the mechanical lock body 1, and the opening and the locking of the mechanical lock body 1 are controlled.
In the embodiment, the biological recognition module 21 is additionally arranged in the intelligent lock for the non-screen face recognition, and the central processing module 26 and the image acquisition module 22 are awakened by the biological recognition module 21 when the fact that the user enters the recognition area of the intelligent lock for the non-screen face recognition is detected, so that the central processing module 26 and the image acquisition module 22 do not need to be in a working state for a long time, the electric energy is effectively saved, and the energy consumption of the intelligent lock for the non-screen face recognition is reduced; by additionally arranging the preprocessing module 23 in the intelligent lock for the non-screen face recognition and utilizing the preprocessing module 23 to preprocess the user image acquired by the image acquisition module 22, the processing pressure can be shared by the central processing module 26, and the response speed of the intelligent lock for the non-screen face recognition is improved; through add direction indication module 24 in no screen face identification intelligence lock, utilize direction indication module 24 to replace the display screen in the current face identification intelligence lock to instruct user adjustment to shoot position and distance, can remove from and set up the display screen, simplify the structure of face identification intelligence lock, reduce the lock body volume of face identification intelligence lock, reduce the energy consumption and the cost of face identification intelligence lock, also need not to deploy corresponding functional circuit at the door plant openly in practical application simultaneously, be favorable to improving the security and the reliability of no screen face identification intelligence lock.
In a preferred embodiment of this embodiment, the direction indicating unit is an indicating lamp group composed of a plurality of indicating lamps; the plurality of indicator lights are distributed around the image acquisition module 22 in the vertical and horizontal directions.
Illustratively, as shown in fig. 2, a set of indicator lights are arranged around the camera, and are arranged in four directions, namely, up, down, left and right directions, and two to three indicator lights are arranged in each direction for prompting the user to adjust the position and distance of the user. When the left indicator light is flashing, the user is prompted to slightly shift left, when the right indicator light is flashing, the user is prompted to slightly shift right, when the upper indicator light is flashing, the user is prompted to slightly shift up, and when the lower indicator light is flashing, the user is prompted to slightly shift down; when the indicator lights are flashing from inside to outside, it indicates that the user is about to drift slightly backwards, and when the indicator lights are flashing from outside to inside, it indicates that the user is about to drift slightly forwards.
Wherein, the pilot lamp is changeable colour pilot lamp, and the lamp that can use different colours is arranged, also can adopt changeable colour LED to show different information with different colours, for example face identification successfully shows green light, and face identification fails and shows red light.
The embodiment adopts the indicating lamp group as the direction indicating unit, and the indicating lamps in different directions are utilized to correspondingly indicate the up/down/left/right adjusting position and the forward/backward adjusting distance of the user, thereby being beneficial to intuitively indicating the user to accurately adjust the shooting position and distance.
In a preferred implementation manner of this embodiment, the voice playing unit is a speaker.
In a preferred implementation manner of this embodiment, the control circuit 2 further includes a wireless communication module 27; and a wireless communication module 27 for interactive communication with the user terminal.
The wireless communication module 27 is one of a WiFi communication module, a Zigbee communication module, and a bluetooth communication module.
In the embodiment, the wireless communication module 27 is additionally arranged in the non-screen face recognition intelligent lock, so that the user terminal can be connected with the non-screen face recognition intelligent lock through the wireless communication module 27, the user can conveniently operate the non-screen face recognition intelligent lock anytime and anywhere, the interactive operations such as inputting and registering, machine setting and the like are carried out, and the terminal application operation management is realized. Similarly, other network devices can also be connected with the non-screen face recognition intelligent lock through the wireless communication module 27, so as to realize background remote management.
In a preferred implementation manner of this embodiment, the control circuit 2 further includes a data storage module 28; and the data storage module 28 is used for storing the pre-stored user faces.
In the embodiment, the data storage module 28 is additionally arranged in the non-screen face recognition intelligent lock, so that the pre-registered user face data and the like can be stored by using the data storage module 28.
Second embodiment based on the first embodiment:
the second embodiment provides a screenless face recognition intelligent lock, and the image acquisition module 22 is further used for acquiring an authorized two-dimensional code and acquiring a new user image when the authorized two-dimensional code is successfully authenticated; the preprocessing module 23 is further configured to preprocess the new user image to obtain new user face data, send an indication control signal to the direction indication module 24 when the new user face data does not meet a preset condition, and send a face recognition result of the new user image to the central processing module 26 when the new user face data meets the preset condition; the central processing module 26 is also used for storing the face recognition result of the new user image.
As an example, a non-screen face recognition smart lock is applied to a short-term apartment door, when a tenant orders an apartment on a terminal application, and after procedures such as identity verification, rent payment and the like, the terminal application generates an authorized two-dimensional code for the tenant, the authorized two-dimensional code contains personal information, rented room information, peer information, valid renting period and the like of the tenant, the authorized two-dimensional code is stored in a terminal (mobile phone) of the tenant, when the tenant arrives at the rented apartment, the authorized two-dimensional code can be displayed by the terminal before the non-screen face recognition smart lock, the image acquisition module 22 shoots the authorized two-dimensional code to be successfully authenticated, and simultaneously starts a face registration program, the terminal application indicates the tenant to face the non-screen face recognition smart lock to perform face registration, after the face registration is successful, the tenant can conveniently open a door by swiping the face within a predetermined validity period, and the face template expires.
The intelligent lock without the screen face recognition is applied to a short-term apartment door, the problem that the existing rented apartment is difficult to manage can be effectively solved, for example, an apartment owner needs to take the tenant back and forth, check the identity, hand over the key, prevent the tenant from leaving and taking the key away or copying the key, lose the password and leak, the tenant can repeatedly use the password after the expiration, and the like.
The third embodiment:
as shown in fig. 4, a third embodiment provides a control method of a screenless face recognition intelligent lock, which is suitable for the screenless face recognition intelligent lock according to the first embodiment, and includes steps S1 to S6:
s1, a driving biological recognition module 21 detects whether a user enters a recognition area of a non-screen face recognition intelligent lock, and an image acquisition module 22 is awakened when the user is detected to enter the recognition area of the non-screen face recognition intelligent lock;
s2, driving the image acquisition module 22 to acquire a user image and sending the user image to the preprocessing module 23;
s3, the driving preprocessing module 23 preprocesses the user image to obtain user face data, sends an indication control signal to the direction indication module 24 when the user face data do not meet preset conditions, and sends a face recognition result of the user image to the central processing module 26 when the user face data meet the preset conditions;
s4, the driving direction indicating module 24 sends corresponding direction indicating information to a user according to the indicating control signal;
s5, the central processing module 26 is driven to send a switch control signal to the lock body control module 25 according to the face recognition result of the user image and the matching result of the pre-stored user face;
and S6, driving the lock body control module 25 to control the lock body 1 to be opened or closed according to the switch control signal.
Illustratively, the control flow of the screenless face recognition intelligent lock is as follows:
the biometric driving module 21 detects whether the user enters the identification area of the non-screen face recognition smart lock, and wakes up the central processing module 26 and the image acquisition module 22 when the user is detected to enter the identification area of the non-screen face recognition smart lock. The image acquisition module 22 is driven to acquire a user image and send the user image to the preprocessing module 23. The driving preprocessing module 23 preprocesses the user image to obtain user face data, and determines whether the user face data, that is, the integrity, position, distance, and the like of the face satisfy preset conditions, if not, generates an adjustment parameter according to the offset position of the face in the user image, and further sends a corresponding indication control signal to the direction indication module 24 according to the adjustment parameter, and controls a direction indication unit in the direction indication module 24 to indicate a light set to be turned on or off and/or a voice playing unit to play corresponding voice, so as to indicate the user to adjust the shooting position and distance; if yes, the face recognition is performed on the user image, and the obtained face recognition result is sent to the central processing module 26. The driving central processing module 26 receives the face recognition result of the user image, and sends a corresponding switch control signal to the lock body control module 25 according to the face recognition result of the user image, so that the lock body control module 25 controls the clutch action of the mechanical lock body 1, and the opening and the locking of the mechanical lock body 1 are controlled.
In the embodiment, the biological identification module 21 is driven to wake up the central processing module 26 and the image acquisition module 22 when detecting that the user enters the identification area of the non-screen face identification intelligent lock, so that the central processing module 26 and the image acquisition module 22 do not need to be in a working state for a long time, the electric energy is effectively saved, and the energy consumption of the non-screen face identification intelligent lock is reduced; the preprocessing module 23 is driven to preprocess the user image acquired by the image acquisition module 22, so that the central processing module 26 can share processing pressure, and the response speed of the screen-free face recognition intelligent lock is improved; replace the display screen in the current face identification intelligence lock through drive direction indicating module 24 and instruct the user to adjust and shoot position and distance, can remove from and set up the display screen, simplify the structure of face identification intelligence lock, reduce the lock body volume of face identification intelligence lock, reduce the energy consumption and the cost of face identification intelligence lock, also need not to deploy corresponding functional circuit at the door plant openly in practical application simultaneously, be favorable to improving the security and the reliability of no screen face identification intelligence lock.
As shown in fig. 5, in a preferred embodiment of this embodiment, the method for controlling a screenless face recognition intelligent lock further includes steps S7 to S9:
s7, driving the image acquisition module 22 to acquire the authorized two-dimensional code and acquiring a new user image when the authorized two-dimensional code is successfully authenticated;
s8, the driving preprocessing module 23 preprocesses the new user image to obtain new user face data, sends an indication control signal to the direction indication module 24 when the new user face data do not meet preset conditions, and sends a face recognition result of the new user image to the central processing module 26 when the new user face data meet the preset conditions;
and S9, driving the central processing module 26 to store the face recognition result of the new user image.
As an example, a non-screen face recognition smart lock is applied to a short-term apartment door, when a tenant orders an apartment on a terminal application, and after procedures such as identity verification, rent payment and the like, the terminal application generates an authorized two-dimensional code for the tenant, the authorized two-dimensional code contains personal information, rented room information, peer information, valid renting period and the like of the tenant, the authorized two-dimensional code is stored in a terminal (mobile phone) of the tenant, when the tenant arrives at the rented apartment, the authorized two-dimensional code can be displayed by the terminal before the non-screen face recognition smart lock, the image acquisition module 22 shoots the authorized two-dimensional code to be successfully authenticated, and simultaneously starts a face registration program, the terminal application indicates the tenant to face the non-screen face recognition smart lock to perform face registration, after the face registration is successful, the tenant can conveniently open a door by swiping the face within a predetermined validity period, and the face template expires.
The intelligent lock without the screen face recognition is applied to a short-term apartment door, the problem that the existing rented apartment is difficult to manage can be effectively solved, for example, an apartment owner needs to take the tenant back and forth, check the identity, hand over the key, prevent the tenant from leaving and taking the key away or copying the key, lose the password and leak, the tenant can repeatedly use the password after the expiration, and the like.
In summary, the embodiment of the present invention has the following advantages:
the biological recognition module 21 is additionally arranged in the intelligent lock for the non-screen face recognition, and the image acquisition module 22 is awakened by the biological recognition module 21 when the fact that a user enters a recognition area of the intelligent lock for the non-screen face recognition is detected, so that the image acquisition module 22 does not need to be in a working state for a long time, electric energy is effectively saved, and energy consumption of the intelligent lock for the non-screen face recognition is reduced; by additionally arranging the preprocessing module 23 in the non-screen face recognition intelligent lock and utilizing the preprocessing module 23 to preprocess the user image acquired by the image acquisition module 22, the processing pressure can be shared by the central processing module 26, and the response speed of the non-screen face recognition intelligent lock is improved; through add direction indication module 24 in no screen face identification intelligence lock, utilize direction indication module 24 to replace the display screen in the current face identification intelligence lock to instruct the user to adjust and shoot position and distance, can remove from and set up the display screen, simplify the structure of face identification intelligence lock, reduce 1 volume of lock body of face identification intelligence lock, reduce the energy consumption and the cost of face identification intelligence lock, also need not to dispose corresponding functional circuit at the door plant openly in practical application simultaneously, be favorable to improving security and the reliability of no screen face identification intelligence lock.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that all or part of the processes of the above embodiments may be implemented by hardware related to instructions of a computer program, and the computer program may be stored in a computer readable storage medium, and when executed, may include the processes of the above embodiments. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
Claims (6)
1. A non-screen face recognition intelligent lock is characterized by comprising a lock body and a control circuit; the control circuit comprises a biological identification module, an image acquisition module, a preprocessing module, a direction indicating module, a lock body control module and a central processing module;
the biometric identification module is used for detecting whether a user enters the identification area of the non-screen face identification intelligent lock or not, and awakening the image acquisition module when the user is detected to enter the identification area of the non-screen face identification intelligent lock;
the image acquisition module is used for acquiring a user image and sending the user image to the preprocessing module;
the preprocessing module is used for preprocessing the user image to obtain user face data, generating an adjusting parameter according to the offset position of a face in the user image when the user face data does not meet a preset condition, sending an indicating control signal to the direction indicating module according to the adjusting parameter, and sending a face recognition result of the user image to the central processing module when the user face data meets the preset condition; the user face data comprises the integrity, the position and the distance of a face;
the direction indicating module is used for sending corresponding direction indicating information to a user according to the indicating control signal so as to indicate the user to adjust the shooting position and distance;
the central processing module is used for sending a switch control signal to the lock body control module according to the face recognition result of the user image and the matching result of the pre-stored user face;
the lock body control module is used for controlling the lock body to be opened or closed according to the switch control signal;
the image acquisition module is also used for acquiring an authorized two-dimensional code, acquiring a new user image when the authorized two-dimensional code is successfully authenticated, and starting a face registration program;
the preprocessing module is also used for preprocessing the new user image to obtain new user face data, sending an indication control signal to the direction indication module when the new user face data do not meet the preset condition, and sending a face recognition result of the new user image to the central processing module when the new user face data meet the preset condition;
the central processing module is also used for storing the face recognition result of the new user image;
the direction indicating module comprises one or two of a direction indicating unit and a voice playing unit;
the direction indicating unit is an indicating lamp group consisting of a plurality of indicating lamps; the plurality of indicator lamps are distributed around the image acquisition module in the vertical and horizontal directions, and two to three indicator lamps are arranged in each direction; when the left indicator light is flashing, the user is prompted to slightly shift left, when the right indicator light is flashing, the user is prompted to slightly shift right, when the upper indicator light is flashing, the user is prompted to slightly shift up, and when the lower indicator light is flashing, the user is prompted to slightly shift down; when the indicator lights are flashing from inside to outside, it indicates that the user is about to drift slightly backwards, and when the indicator lights are flashing from outside to inside, it indicates that the user is about to drift slightly forwards.
2. The screenless face recognition intelligent lock according to claim 1, wherein the image acquisition module comprises a camera module and a light supplement lamp set; the camera module is one of a visible light camera module, an infrared camera module and a visible light infrared binocular camera module.
3. The screenless face recognition intelligent lock of claim 1, wherein the control circuit further comprises a wireless communication module;
and the wireless communication module is used for interactive communication with the user terminal.
4. The screenless face recognition intelligent lock according to claim 3, wherein the wireless communication module is one of a WiFi communication module, a Zigbee communication module and a Bluetooth communication module.
5. The screenless face recognition intelligent lock of claim 1, wherein the control circuit further comprises a data storage module;
and the data storage module is used for storing the pre-stored user faces.
6. A control method of a screenless face recognition intelligent lock is suitable for the screenless face recognition intelligent lock according to any one of claims 1 to 5, and comprises the following steps:
driving the biological recognition module to detect whether a user enters a recognition area of the non-screen face recognition intelligent lock or not, and awakening the image acquisition module when the user is detected to enter the recognition area of the non-screen face recognition intelligent lock;
driving the image acquisition module to acquire a user image and sending the user image to the preprocessing module;
the preprocessing module is driven to preprocess the user image to obtain user face data, an indication control signal is sent to the direction indication module when the user face data do not meet preset conditions, and a face recognition result of the user image is sent to the central processing module when the user face data meet the preset conditions;
driving the direction indicating module to send corresponding direction indicating information to a user according to the indicating control signal;
driving the central processing module to send a switch control signal to the lock body control module according to a face recognition result of the user image and a matching result of a pre-stored user face;
driving the lock body control module to control the lock body to be opened or closed according to the switch control signal;
further comprising:
driving the image acquisition module to acquire an authorized two-dimensional code, and acquiring a new user image when the authorized two-dimensional code is successfully authenticated;
driving the preprocessing module to preprocess the new user image to obtain new user face data, sending an indication control signal to the direction indication module when the new user face data does not meet the preset condition, and sending a face recognition result of the new user image to the central processing module when the new user face data meets the preset condition;
and driving the central processing module to store the face recognition result of the new user image.
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| CN201963068U (en) * | 2011-03-14 | 2011-09-07 | 汉王科技股份有限公司 | Intelligent lock based on the recognition of face |
| CN103618851A (en) * | 2013-11-08 | 2014-03-05 | 杨睿琦 | Self-photographing method and terminal |
| CN104935824A (en) * | 2015-07-30 | 2015-09-23 | 苏州寅初信息科技有限公司 | Method for finding view in time of doing blind shoot and shooting device thereof |
| CN105261105B (en) * | 2015-11-26 | 2017-11-14 | 嵊州明智科技服务有限公司 | Safety door inhibition method |
| CN106357961A (en) * | 2016-08-25 | 2017-01-25 | 维沃移动通信有限公司 | Photographing method and mobile terminal |
| CN109255863B (en) * | 2018-07-31 | 2021-09-10 | 一石数字技术成都有限公司 | Intelligent door lock based on user face and two-dimensional code verification and operation method thereof |
| CN209785094U (en) * | 2019-04-08 | 2019-12-13 | 北京意锐新创科技有限公司 | Intelligent access control system |
| CN110097677A (en) * | 2019-06-13 | 2019-08-06 | 深圳市凯迪仕智能科技有限公司 | It is a kind of without screen Intelligent door lock capable of recognizing face and its recognition methods |
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