CN110516635A - Recognition of face comparison device, access control system and method - Google Patents
Recognition of face comparison device, access control system and method Download PDFInfo
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- CN110516635A CN110516635A CN201910816222.3A CN201910816222A CN110516635A CN 110516635 A CN110516635 A CN 110516635A CN 201910816222 A CN201910816222 A CN 201910816222A CN 110516635 A CN110516635 A CN 110516635A
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- 238000003384 imaging method Methods 0.000 claims abstract description 37
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1417—2D bar codes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/172—Classification, e.g. identification
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Abstract
This application discloses a kind of recognition of face comparison device, access control system and methods.The recognition of face comparison device includes imaging sensor, pyroelectric infrared sensor, photosensitive sensor, ink screen, light compensating lamp and built-in circuit；Described image sensor, the pyroelectric infrared sensor, the photosensitive sensor, the ink screen and the light compensating lamp are connect with the built-in circuit；Described image sensor is used to acquire the image information of face；The pyroelectric infrared sensor is used to detect the infra-red radiation of human body；The photosensitive sensor is used to detect the brightness of environment；The built-in circuit can start the light compensating lamp or the illumination of the light compensating lamp is adjusted, so that described image sensor can collect the image information to conform to quality requirements.The access control system includes the recognition of face comparison device.The method is suitable for the access control system.The application can reduce power consumption, be not only suitable for strong light environment, be also applied for dark surrounds.
Description
Technical field
This application involves technical field of face recognition, in particular to a kind of recognition of face comparison device, access control system and side
Method.
Background technique
It includes three parts that Most current recognition of face, which compares terminal: imaging sensor, image alignment algorithm module, IO are defeated
Out and display unit.It is all the facial image captured by imaging sensor and the face being pre-loaded into that recognition of face, which compares terminal,
Image compares work, returns to comparison result after the completion of comparison.Have the recognition of face terminal of display screen all use LED screen or
The color display screen of OLED screen curtain etc, it is excessively high there are power consumption and do not see under strong illumination the technology of image and ask
Topic.
The disclosure of background above technology contents is only used for auxiliary and understands present invention design and technical solution, not
The prior art for necessarily belonging to the application shows that above content has disclosed in the applying date of the application in no tangible proof
In the case where, above-mentioned background technique should not be taken to the novelty and creativeness of evaluation the application.
Summary of the invention
The application proposes a kind of recognition of face comparison device, access control system and method, can reduce power consumption, be not only suitable for strong light
Environment is also applied for dark surrounds.
In a first aspect, the application provides a kind of recognition of face comparison device, including imaging sensor, infrared thermal releasing fax
Sensor, photosensitive sensor, ink screen, light compensating lamp and built-in circuit；
Described image sensor, the pyroelectric infrared sensor, the photosensitive sensor, the ink screen and the benefit
Light lamp is connect with the built-in circuit；
Described image sensor is used to acquire the image information of face；The built-in circuit can believe the image of the face
Breath is handled so that the profile information of the face is in the ink screen display；
The pyroelectric infrared sensor is used to detect the infra-red radiation of human body；The photosensitive sensor is for detecting environment
Brightness；The built-in circuit can start the light compensating lamp or the illumination of the light compensating lamp is adjusted, so that the figure
As sensor can collect the image information to conform to quality requirements.
It in some preferred embodiments, further include voice prompting device；The voice prompting device is mentioned for issuing voice
Show to remind identified personnel to change position, to make described image sensor that can collect the image information of complete face.
In some preferred embodiments, the voice prompting device in the pyroelectric infrared sensor for detecting
Voice prompting is issued when the infra-red radiation of human body to remind identified personnel to change position, to make described image sensor that can adopt
Collect the image information of complete face.
In some preferred embodiments, the type of the ink screen includes mono ink screen and three chromatic ink screens.
In second aspect, the application provides a kind of access control system based on recognition of face, including above-mentioned recognition of face compares
Device.
In the third aspect, the application provides a kind of control method of access control system based on recognition of face, comprising:
The image information of face is acquired by imaging sensor；
The image information of the face is handled, by the profile information of face in ink screen display；
The infra-red radiation of human body is detected by pyroelectric infrared sensor and the bright of environment is detected by photosensitive sensor
Degree；If detecting the brightness of the infra-red radiation of human body and the environment lower than setting brightness, by light compensating lamp progress light filling with
Make described image sensor that can collect the image information of the face to conform to quality requirements；
Image information based on the face carries out recognition of face, if recognition of face success, opening door lock.
In some preferred embodiments, further includes: if the image information of collected face is imperfect, pass through language
Sound prompting device issues voice prompting to remind identified personnel to change position, to make imaging sensor that can collect complete people
The image information of face.
In some preferred embodiments, further includes:
If recognition of face fails, the two-dimensional code display image in the ink screen；
Receive the access information obtained after handling the image in 2 D code；
Door lock is opened based on the access information.
In some preferred embodiments, further includes:
If recognition of face fails, judge whether to detect the image comprising two dimensional code；If detecting comprising two dimensional code
Image then handles the image comprising two dimensional code, obtains access information；
Door lock is opened based on the access information.
In some preferred embodiments, the recognition of face unsuccessfully includes:
The image information of the face is in non-built authorization；
Alternatively, described image sensor does not collect the image information of face；
Alternatively, the image information of the collected face of described image sensor does not meet quality requirement.
In fourth aspect, the application provides a kind of computer readable storage medium, in the computer readable storage medium
It is stored with program instruction, described program, which instructs, makes the processor execute the above method when being executed by the processor of computer.
Compared with prior art, the beneficial effect of the application has:
The display screen of recognition of face comparison device needs open for 24 hours, and ink screen is compared to colorful display screen, and power consumption is more
It is low.Overall power can be even lower by the display screen using ink screen as recognition of face comparison device.Ink screen has simultaneously
Clear feature is shown under strong illumination, even if opening based on pyroelectric infrared sensor and the collected information of photosensitive sensor
Light compensating lamp is opened, ink screen, which remains unchanged, can clearly show the profile information of face.In this way, the recognition of face comparison device of the application
Both it can use, can also be used under dark surrounds under strong light environment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the recognition of face comparison device of the application first embodiment；
Fig. 2 is a kind of structural schematic diagram of variant of the recognition of face comparison device of the application first embodiment；
Fig. 3 is the flow chart of the control method of the access control system based on recognition of face of the application 3rd embodiment；
Fig. 4 is a kind of variant of the control method of the access control system based on recognition of face of the application 3rd embodiment
Flow chart.
Specific embodiment
In order to which the embodiment of the present application technical problem to be solved, technical solution and beneficial effect is more clearly understood,
Below in conjunction with Fig. 1 to Fig. 4 and embodiment, the application is further elaborated.It should be appreciated that described herein specific
Embodiment only to explain the application, is not used to limit the application.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System is merely for convenience of description the embodiment of the present application and simplifies description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
First embodiment
The present embodiment provides a kind of recognition of face comparison devices, are used for collected facial image and device storage inside
Reserved facial image be compared.In the present embodiment, the position of recognition of face comparison device is fixed, for example is fixed on lock
On machine.
With reference to Fig. 1, the recognition of face comparison device of the present embodiment include imaging sensor 1, pyroelectric infrared sensor 2,
Photosensitive sensor 3, ink screen 4, light compensating lamp 5 and built-in circuit 6.
Imaging sensor 1, pyroelectric infrared sensor 2, photosensitive sensor 3, ink screen 4 and light compensating lamp 5 are and in-built electrical
Road 6 connects.
In the present embodiment, built-in circuit 6 includes the support circuit, red of processor and its support circuit, imaging sensor 1
The support circuit of outer pyroelectric sensor 2, the support circuit of photosensitive sensor 3, the support circuit of ink screen 4 and light compensating lamp 5
Support circuit.Image alignment algorithm can be performed in built-in circuit 6, to carry out recognition of face.
Imaging sensor 1 is used to acquire the image information of face；Imaging sensor 1 specifically can be camera.Due to figure
Picture sensor 3 is connect with built-in circuit 6, and the image information of collected face can be sent to built-in circuit by imaging sensor 3
6.Built-in circuit 6 handles the image information of face, obtains the profile information of face.Built-in circuit 6 is by the profile of face
Information is sent to ink screen 4, is shown the profile of face by ink screen 4.In this way, identified personnel can be in ink screen 4
Observe the face of oneself.
In the present embodiment, ink screen 4 is to be fixedly mounted；Ink screen 4 comes out the profile real-time display of face.Work as quilt
When imaging sensor 1 moves within sweep of the eye, the profile of the face in ink screen 4 also can be moved accordingly the face of identification personnel.
In this way, real time position of the face of oneself in ink screen 4 can be observed in identified personnel.In the present embodiment, ink screen 4 can be with
It is mono ink screen or three chromatic ink screens.
In other embodiments, built-in circuit 6 handles the image information of face, and the profile in addition to obtaining face is believed
Except breath, the specifying information such as face of face are also obtained.The profile information of face and specifying information are sent to by built-in circuit 6
Ink screen 4 is completely shown the face of identified personnel by ink screen 4.In addition, can be by coloured ink in ink
The profile of face is shown on screen 4, to protrude the profile of face.
Pyroelectric infrared sensor 2 is used to detect the infra-red radiation of human body；Specifically detection is located at recognition of face comparison dress
The infra-red radiation of the identified personnel in the front set.If infra-red radiation can be detected, then it represents that in recognition of face comparison device
Front someone.Since pyroelectric infrared sensor 2 is connect with built-in circuit 6, pyroelectric infrared sensor 2 can will be detected
The infra-red radiation of human body is sent to built-in circuit 6.
Photosensitive sensor 3 is used to detect the brightness of environment, specifically detects the environment near recognition of face comparison device
Brightness.Since photosensitive sensor 3 is connect with built-in circuit 6, the brightness for the environment that photosensitive sensor 3 can will test is sent to interior
Circuits 6.
The brightness of infra-red radiation and environment of the built-in circuit 6 based on the human body received controls light compensating lamp 5, thus
Make imaging sensor 1 that can collect the image information to conform to quality requirements.It can detect that the infra-red radiation of human body indicates identified
Personnel are located near recognition of face comparison device, and specifically whether detectable infra-red radiation reaches given threshold；If at this time
Imaging sensor 1 can not collect the human face image information of identified personnel, the environment detected along with photosensitive sensor 3
Brightness is lower than setting brightness, then the brightness for being shown to be environment is lower and the image that causes imaging sensor 1 that can not collect face
Information.It carries out light filling at this point, built-in circuit 6 starts light compensating lamp 5 and adjusts the illumination of light compensating lamp 5, so that imaging sensor 1 can
Collect the image information to conform to quality requirements.Wherein, the image information to conform to quality requirements after treatment should can be
The profile of complete face is shown or should can shown in ink screen 4 after treatment in ink screen 4.
The display screen of recognition of face comparison device needs open for 24 hours, and ink screen 4 is compared to colorful display screen, and power consumption is more
It is low.Overall power can be even lower by the display screen using ink screen 4 as recognition of face comparison device.Ink screen 4 has simultaneously
There have the characteristics that show under strong illumination to be clear, even if opening light compensating lamp 5, ink screen 4 still can clearly show face
Profile information.In this way, the recognition of face comparison device of the present embodiment can both use under strong light environment, it can also be in dark surrounds
Lower use.
In some cases, be identified personnel face only some be located at imaging sensor 1 within sweep of the eye, in this way
Imaging sensor 1 also can only just collect the image information of the face of part, and then be unable to complete recognition of face.For this purpose, with reference to
Fig. 2, in the present embodiment, recognition of face comparison device further include voice prompting device 7, specifically can be loudspeaker.Voice prompting
Device 7 is connect with built-in circuit 6, reminds identified personnel to change position for issuing voice prompting, to make imaging sensor 1
The image information of complete face can be collected.
If the face of identified personnel is fully located at except the visual field of imaging sensor 1, can be in passive sensor
By the sending voice prompting of voice prompting device 7 to remind identified personnel to change position when device 2 detects the infra-red radiation of human body,
To make imaging sensor that can collect the image information of complete face.
Second embodiment
The present embodiment provides a kind of access control systems based on recognition of face, including door lock and above-mentioned recognition of face to compare dress
It sets.
3rd embodiment
The present embodiment provides a kind of control methods of access control system based on recognition of face.The control method is suitable for above-mentioned
The access control system based on recognition of face of embodiment, is also applied for other access control systems.With reference to Fig. 3, which includes step
Rapid S1 to step S4.In the present embodiment, the executing subject of control method is the recognition of face comparison device in access control system.
Step S1, the image information of face is acquired by imaging sensor 1.
Step S2, the image information of face is handled, the profile information of face is shown in ink screen 4.
Step S3, the infra-red radiation of human body is detected by pyroelectric infrared sensor and ring is detected by photosensitive sensor
The brightness in border；If detecting the brightness of the infra-red radiation and environment of human body lower than setting brightness, light filling is carried out by light compensating lamp
So that imaging sensor can collect the image information of the face to conform to quality requirements.
Step S4, the image information based on face carries out recognition of face, if recognition of face success, opening door lock.
With reference to Fig. 4, the control method of access control system of the present embodiment based on recognition of face further includes step S5.
If the image information of step S5, collected face is imperfect, by voice prompting device issue voice prompting with
Identified personnel are reminded to change position, to make imaging sensor 1 that can collect the image information of complete face.
The image information of collected face is imperfect, shows a part for only acquiring the face of identified personnel, there are also one
Part does not collect namely a part of the face of identified personnel is not within the field range of imaging sensor 1.It is arrived for collection
The image information of complete face can issue voice prompting by voice prompting device 7 to remind identified personnel to change position, tool
Body can be the identified personnel of prompting turn left it is mobile or toward moving right.
It can determine how the identified personnel of prompting move in this way: identified person will be shown in 4 indication range of ink screen
The region of a part of the face of member will not show the face of identified personnel as first area in 4 indication range of ink screen
Region is as second area；The direction that second area is directed toward in first area is the identified next moving direction of personnel,
Identified personnel are reminded to move along the direction that second area is directed toward in first area.
If not collecting the image information of face, the infrared spoke of human body can be detected by pyroelectric infrared sensor
It penetrates；If detecting the infra-red radiation of human body, show identified personnel not in imaging sensor 1 within sweep of the eye but positioned at people
Face identifies comparison device periphery；It in this case, can also be identified to remind by the sending of voice prompting device 7 voice prompting
Personnel change position, so that the face of identified personnel be made to enter imaging sensor 1 within sweep of the eye.
The control method of access control system of the present embodiment based on recognition of face further includes step S6 to step S8.
If step S6, recognition of face fails, the two-dimensional code display image in ink screen 4.
Wherein, the case where recognition of face failure, includes:
The image information of face is in non-built authorization；It specifically can be by repeatedly identifying, detect imaging sensor 1
The corresponding face of the image information of the face of acquisition is not built-in authorization face, such as is not registered before.
Alternatively, imaging sensor 1 does not collect the image information of face；It specifically can be imaging sensor 1 and event occur
Hinder or is blocked.
Alternatively, the image information of the collected face of imaging sensor 1 does not meet quality requirement；It specifically can be brightness biography
Sensor is blocked, so that the brightness of the image of collected face is lower than threshold value.
Step S7, the access information obtained after handling image in 2 D code is received.
Step S7 specifically may is that by the image in 2 D code in mobile scanning terminal ink screen 4；Mobile terminal is to two dimensional code
Image is parsed, the information after being parsed；Mobile terminal again by after parsing information and itself facility information junction
It manages into access information and the access information is sent to recognition of face comparison device；Either mobile terminal is by the information after parsing
It is sent to cloud with the facility information of itself, access is generated based on the facility information of information and mobile terminal after parsing by cloud
Information is simultaneously sent to recognition of face comparison device；Recognition of face comparison device receives the access information.
Step S8, door lock is opened based on access information.
After recognition of face comparison device receives access information, access information is handled and is verified, if access information is logical
Verifying is crossed, then opens door lock.
In this way, even if recognition of face fails, in strong light environment or can also be by ink screen display under dark surrounds
The reliability of access control system can be improved to open door lock in image in 2 D code.
In recognition of face failure, if the control method of the present embodiment can also be performed such that recognition of face fails, sentence
It is disconnected whether to detect the image comprising two dimensional code；If detecting the image comprising two dimensional code, to the image comprising two dimensional code into
Row processing, obtains access information；
Extraneous image can be specifically acquired by imaging sensor 1, detect whether to collect the image comprising two dimensional code
For example collect the two dimensional code shown on mobile terminal；If it is, explain two-dimensional barcode information therein, by software interface or
Person is by the two-dimensional barcode information after Hardware I/O mouthfuls of output explanation as access information；
Door lock is opened based on access information.After recognition of face comparison device receives access information, access information is carried out
Processing and verifying, if access information opens door lock by verifying.
It will be appreciated by those skilled in the art that all or part of the process in embodiment method can be by computer program
Carry out the relevant hardware of order to complete, program can be stored in computer-readable storage medium, and program is when being executed, it may include such as
The process of each method embodiment.And storage medium above-mentioned includes: ROM or random access memory RAM, magnetic or disk etc.
The medium of various program storage codes.
The above content is combining specific/preferred embodiment to be further described to made by the application, cannot recognize
The specific implementation for determining the application is only limited to these instructions.For those of ordinary skill in the art to which this application belongs,
Without departing from the concept of this application, some replacements or modifications can also be made to the embodiment that these have been described,
And these substitutions or variant all shall be regarded as belonging to the protection scope of the application.
Claims (10)
1. a kind of recognition of face comparison device, it is characterised in that: including imaging sensor, pyroelectric infrared sensor, photosensitive biography
Sensor, ink screen, light compensating lamp and built-in circuit；
Described image sensor, the pyroelectric infrared sensor, the photosensitive sensor, the ink screen and the light compensating lamp
It is connect with the built-in circuit；
Described image sensor is used to acquire the image information of face；The built-in circuit can image information to the face into
Row is handled so that the profile information of the face is in the ink screen display；
The pyroelectric infrared sensor is used to detect the infra-red radiation of human body；The photosensitive sensor is for detecting the bright of environment
Degree；The built-in circuit can start the light compensating lamp or the illumination of the light compensating lamp is adjusted, so that described image passes
Sensor can collect the image information to conform to quality requirements.
2. recognition of face comparison device according to claim 1, it is characterised in that: further include voice prompting device；Institute's predicate
Sound prompting device reminds identified personnel to change position for issuing voice prompting, to make described image sensor that can collect
The image information of complete face.
3. recognition of face comparison device according to claim 2, it is characterised in that: the voice prompting device is used for described
Voice prompting is issued when pyroelectric infrared sensor detects the infra-red radiation of human body to remind identified personnel to change position, from
And make described image sensor that can collect the image information of complete face.
4. a kind of access control system based on recognition of face, it is characterised in that: including people according to any one of the claim 1 to 3
Face identifies comparison device.
5. a kind of control method of the access control system based on recognition of face, characterized by comprising:
The image information of face is acquired by imaging sensor；
The image information of the face is handled, by the profile information of face in ink screen display；
The infra-red radiation of human body is detected by pyroelectric infrared sensor and the brightness of environment is detected by photosensitive sensor；If
The brightness for detecting the infra-red radiation of human body and the environment is lower than setting brightness, then carries out light filling so that described by light compensating lamp
Imaging sensor can collect the image information of the face to conform to quality requirements；
Image information based on the face carries out recognition of face, if recognition of face success, opening door lock.
6. control method according to claim 5, it is characterised in that further include: if the image information of collected face is not
Completely, then voice prompting is issued to remind identified personnel to change position, to make imaging sensor can by voice prompting device
Collect the image information of complete face.
7. control method according to claim 5, it is characterised in that further include:
If recognition of face fails, the two-dimensional code display image in the ink screen；
Receive the access information obtained after handling the image in 2 D code；
Door lock is opened based on the access information.
8. control method according to claim 5, it is characterised in that further include:
If recognition of face fails, judge whether to detect the image comprising two dimensional code；If detecting the image comprising two dimensional code,
Then the image comprising two dimensional code is handled, obtains access information；
Door lock is opened based on the access information.
9. control method according to claim 7, it is characterised in that the recognition of face unsuccessfully includes:
The image information of the face is in non-built authorization；
Alternatively, described image sensor does not collect the image information of face；
Alternatively, the image information of the collected face of described image sensor does not meet quality requirement.
10. a kind of computer readable storage medium, it is characterised in that: be stored with program in the computer readable storage medium and refer to
It enables, described program, which instructs, executes the processor according to any one of claim 5 to 9 institute
State method.
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| CN113345136A (en) * | 2021-05-08 | 2021-09-03 | 浙江科技学院 | Electronic information control door convenient to use |
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