CN110047180A - A kind of identity information acquisition method and identification device - Google Patents
A kind of identity information acquisition method and identification device Download PDFInfo
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- CN110047180A CN110047180A CN201910277742.1A CN201910277742A CN110047180A CN 110047180 A CN110047180 A CN 110047180A CN 201910277742 A CN201910277742 A CN 201910277742A CN 110047180 A CN110047180 A CN 110047180A
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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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Abstract
This specification embodiment discloses a kind of identity information acquisition method and identification device.The described method includes: control the liquid crystal display shows the first image set in first time period, when pellucidity is presented in second time period in the liquid crystal display, second camera is obtained in second time period through the second image set of liquid crystal display shooting, the time interval of the first time period and the second time period is less than preset time, controls the liquid crystal display according to the first time period and the second time period and carries out periodical display according to round-robin algorithm.After adopting the above scheme, two kinds of identity information identification devices can be combined, not only improve versatility, but also saved cost under the premise of not increasing identity recognition device volume.
Description
Technical field
This application involves field of computer technology more particularly to a kind of identity information acquisition methods and identification device.
Background technique
In the prior art, the access control equipment with face recognition function can all be equipped with a display screen to show currently on the market
Show user's face image, for prompting user to adjust face location according to the face-image on display screen.And two dimensional code barcode scanning door
Access control system can then be equipped with a barcode scanning window for scanning the two dimensional code on user terminal.In a practical situation, generally require by
Two kinds of authentication methods are integrated together use, then need to be arranged one for showing the display screen and a use of user's face image
Carry out the scanning window of barcode scanning two dimensional code, so that access control equipment volume is excessively huge.
Summary of the invention
In view of this, the embodiment of the present application provides a kind of identity information acquisition method and identification device, needed for solving
One display screen and a scanning window for barcode scanning two dimensional code for showing user's face image is set, so that gate inhibition
The excessively huge problem of equipment volume.
In order to solve the above technical problems, this specification embodiment is achieved in that
This specification embodiment provides a kind of identity information acquisition method, which comprises control identity information identification
The liquid crystal display of device shows the first image set in first time period；
When pellucidity is presented in second time period in the liquid crystal display, second camera is obtained in second time period
Through the second image set of liquid crystal display shooting；
The time interval of the first time period and the second time period is less than preset time；
It controls the liquid crystal display and the period is carried out according to round-robin algorithm according to the first time period and the second time period
Property is shown, is specifically included:
The timer controlled in the identity information identification device is opened when the liquid crystal display shows the first image collection
Beginning timing, obtains t1'；
Judge whether t1' >=t1；
If t1' >=t1, controls the liquid crystal display and pellucidity is presented；
Judge whether t1'+t2' >=t；
If t1'+t2'>=t, controls the liquid crystal display and show the first image collection, empty the timer, lay equal stress on
The timer newly executed in the control identity information identification device starts when the liquid crystal display shows the first image set
Timing, obtain t1' and later the step of,
Wherein, t1' is the first timing duration, and t2' is the second timing duration, and t1 is the duration of the first time period, and t is
The first time period is with the second time period according to the cycle duration of the cycle period of round-robin algorithm；
The identity information identification device includes shell, the first camera, second camera and display screen, the display screen
On the housing, the display screen is liquid crystal display for setting, and the second camera is arranged in the enclosure interior, and light passes through
The liquid crystal display enters the second camera.
Optionally, the method also includes:
Obtain the first image information that the first camera is shot in first time period；
The control liquid crystal display shows the first image set in first time period, specifically:
It controls the liquid crystal display and shows the first image information in the first time period.
Optionally, the duration of the first time period is greater than or equal to the duration of the second time period, and described second
The duration of period is less than or equal to the first preset duration.
Optionally, the duration of the second time period is greater than or equal to the second preset duration.
Optionally, described when pellucidity is presented in second time period in the liquid crystal display, second camera is obtained
After the second image set shot in second time period through the liquid crystal display, the method also includes:
Obtain the third image information sets that first camera is shot within the third period, the third period with
The time interval of the second time period is less than preset time；
It controls the liquid crystal display and shows the third image set within the third period, wherein the third image
The identification information in image information, and/or image recognition processes that collection is shot including advertising information, first camera.
Optionally, the first image collection include advertising information, first camera shooting image information, and/or
Identification information in image recognition processes；
Second image set includes the combination image of two dimensional code, bar code and/or two dimensional code Yu item row code.
Optionally, the liquid crystal display is controlled according to the first time period and the second time period according to circulation described
After algorithm carries out periodical display, the method also includes:
Judge the first time period and the second time period is according to the number that round-robin algorithm is periodically shown
No is more than preset loop number, obtains the first judging result；
If first judging result indicates that the number periodically shown is more than preset loop number, control
The liquid crystal display enters dormant state.
Optionally, after the control liquid crystal display enters dormant state, the method also includes:
Judge whether first camera and/or the second camera sense personnel within a preset range, obtains
Second judging result；
If second judging result indicates that first camera and/or the second camera are felt within a preset range
Personnel should be arrived, then controls the liquid crystal display and resumes work state.
Optionally, the timer includes counter, and the counting number of the counter each second is n, the control institute
It states liquid crystal display and periodical display is carried out according to round-robin algorithm according to the first time period and the second time period, it is specific to wrap
It includes:
It controls the counter to start counting when the liquid crystal display shows the first image set, obtains Δ n1；
Judge whether Δ n1 >=N1；
If Δ n1 >=N1, controls the liquid crystal display and pellucidity is presented；
Judge whether Δ n1+ Δ n2 >=N；
If Δ n1+ Δ n2 >=N, controls the liquid crystal display and show the first image collection, empty the counter, lay equal stress on
It newly executes the control counter to start counting when the liquid crystal display shows the first image set, obtains Δ n1 and later
Step,
Wherein, Δ n1=t1'*n is first counts of the counter in first timing duration, Δ n2
=t2'*n, is second counts of the counter in second timing duration, and N=t*n is the first time
The tale number for the cycle period that section is constituted with the second time period according to round-robin algorithm, N1=t1*n are described first
Tale number in period.
This specification embodiment provides a kind of identity information identification device, described device include: shell, the first camera,
Second camera, display screen and processor；On the housing, the display screen is liquid crystal display for the display screen setting；
The second camera, setting enter second camera shooting by the liquid crystal display in the enclosure interior, light
Head；
The processor, in the enclosure interior, the processor connects first camera, described second takes the photograph for setting
As head and the display screen, the first image set is shown in first time period for controlling the liquid crystal display；In the liquid crystal display
When pellucidity being presented in the second time period, obtains second camera and clapped in second time period through the liquid crystal display
The second image set taken the photograph, the time interval of the first time period and the second time period are less than preset time, described in control
Liquid crystal display carries out periodical display according to round-robin algorithm according to the first time period and the second time period.
This specification embodiment use at least one above-mentioned technical solution can reach it is following the utility model has the advantages that
This specification embodiment is different using the display state of liquid crystal display in different time period, and liquid crystal display can both be shown
Image, and it can be respectively intended to display image and light transmission barcode scanning, thus not without two pieces of display screens are arranged again with light transmission barcode scanning
Under the premise of increasing identity recognition device volume, two kinds of identity information identification devices are combined, versatility is both improved,
Cost has been saved again.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is a kind of configuration diagram for identity information identification device that this specification embodiment provides；
Fig. 2 is the flow diagram that this specification applies a kind of identity information acquisition method that example provides；
Fig. 3 a is the first image set schematic diagram that this specification embodiment provides；
Fig. 3 b is the first image set schematic diagram that another embodiment of this specification provides；
Fig. 3 c is the first image set schematic diagram that another embodiment of this specification provides；
Fig. 4 is the schematic diagram for the two dimensional code identification verification mode that this specification embodiment provides；
Fig. 5 provides the step flow chart of another identity information acquisition method for present specification embodiment；
Fig. 6 provides the step flow chart of another identity information acquisition method for present specification embodiment；
Fig. 7 is a kind of structural schematic diagram for identity information identification device that this specification embodiment provides；
Fig. 8 is a kind of diagrammatic cross-section for identity information identification device that this specification embodiment provides；
Fig. 9 is the schematic diagram of the section structure for another identity information identification device that this specification embodiment provides.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.
Access control equipment is a kind of intelligent management equipment of administrative staff's disengaging, the general face letter by identification personnel
Breath, the disengaging of controllers, and subsequent personnel are provided and enter and leave inquiry report etc..
In practical applications, recognition of face mode needs to store face information in advance, and committed memory is big, be suitable for often into
The interior employee of row authentication.And temporary visit personnel pass in and out frequency it is low, if also use recognition of face mode, occupancy it is interior
It deposits greatly, and utilization rate is low, so generally being identified using two-dimensional code recognition mode.
Fig. 1 is a kind of configuration diagram for identity information identification device that this specification embodiment provides, and specifically be can wrap
Processor 1, the first camera 2, second camera 3 and display screen 4 are included, the processor 1 connects first camera 2, institute
State second camera 3 and the display screen 4, the processor 1 shows for controlling the liquid crystal display in first time period
One image set when pellucidity is presented in the liquid crystal display in the second time period, obtains second camera 3 in the second time
Through the second image set of liquid crystal display shooting in section, the time interval of the second time period and the first time period is small
In preset time, the liquid crystal display is controlled according to the first time period and the second time period, week is carried out according to round-robin algorithm
Phase property is shown.
Embodiment 1
Fig. 2 is a kind of flow diagram for identity information acquisition method that this specification embodiment provides.The method can
To include:
Step S201: the liquid crystal display of control identity information identification device shows the first image set in first time period.
Step S202: when pellucidity is presented in second time period in the liquid crystal display, second camera is obtained the
Through the second image set of liquid crystal display shooting in two periods；The time of the first time period and the second time period
Interval is less than preset time.
Step S203: the liquid crystal display is controlled according to the first time period and the second time period according to round-robin algorithm
Carry out periodical display.It can specifically include:
The timer controlled in the identity information identification device is opened when the liquid crystal display shows the first image collection
Beginning timing, obtains t1'.
Judge whether t1' >=t1.
If t1' >=t1, controls the liquid crystal display and pellucidity is presented.
Judge whether t1'+t2' >=t.
If t1'+t2'>=t, controls the liquid crystal display and show the first image collection, empty the timer, lay equal stress on
The timer newly executed in the control identity information identification device starts when the liquid crystal display shows the first image set
Timing, obtain t1' and later the step of.
Wherein, t1' is the first timing duration, and t2' is the second timing duration, and t1 is the duration of the first time period, and t is
The cycle duration for the cycle period that the first time period and the second time period are constituted according to round-robin algorithm.
The identity information identification device includes shell, the first camera, second camera and display screen, the display screen
On the housing, the display screen is liquid crystal display for setting, and the second camera is arranged in the enclosure interior, and light passes through
The liquid crystal display enters the second camera.
There are two types of states for liquid crystal display, and when showing content, liquid crystal display is opaque state.When not showing content, liquid crystal
Screen is pellucidity.Different states is presented by the way that liquid crystal display is arranged in the present embodiment in different time period, so that passing through one piece
Liquid crystal display can realize that recognition of face and two dimensional code identify two kinds of gate inhibition's identifications, before not increasing identity recognition device volume
It puts, two kinds of identity information identification devices is combined, not only improve versatility, but also saved cost.
Wherein, control liquid crystal display shows the first image set in first time period, and liquid crystal display is not pellucidity at this time.Liquid
First image set of crystalline substance screen display can be the image information of the first camera acquisition, may not be the acquisition of the first camera
Image information.Can make liquid crystal display is opaque state, and second camera is shot at this time less than in addition to the first image set
Other content.
Wherein, the content that the first image collection is shown may include the image letter of advertising information, the shooting of the first camera
Identification information in breath, and/or image recognition processes.
In second time period, liquid crystal display no longer shows the first image set, and pellucidity is presented.Second camera can be
The second image set is taken through liquid crystal display in second time period.Second image set is no longer only limited as the first image set, can be with
To be placed on arbitrary image information before liquid crystal display.Wherein, arbitrary image information may include that can know before being placed on liquid crystal display
Not Chu Lai two dimensional code, bar code and/or two dimensional code and item row code combination image, can also be identification not come out face letter
Breath or item image information etc..
It in a specific embodiment,, may only be into since liquid crystal display is in opaque state in first time period
Gate inhibition's identification method of row recognition of face.Liquid crystal display shows the first image set in first time period, as shown in Figure 3a, the first figure
Image set can be the facial head portrait of the first camera shooting.As shown in Figure 3b, the first image set may be other content, such as
For the text information of the similar indicative semanteme such as " in recognition of face ".As shown in Figure 3c, when the first image set is the first camera
, may be due to the position that user stands when the facial head portrait of shooting, leading to the first image set is partial face image, user
Mobile adjustment can be carried out according to the facial head portrait shown in image, to improve the success rate of recognition of face.
Wherein, control liquid crystal display is shown according to the periodicity in first time period and the periodical display of second time period progress
It can be the fixed cycles period, within the fixed cycles period, the first camera and second camera are constantly in working condition,
Liquid crystal display shows first content according to the cycle period of setting in first time period, the transparent state in second time period.
More than the fixed duty cycle, the first camera and second camera can be in a dormant state.Dormant state can also be set
A preset duration is set, is more than preset duration, it is automatic to start the first camera and second camera, so that the first camera and the
Two cameras are in running order, i.e., start the fixed cycles period automatically.
Fig. 4 is the schematic diagram for the two dimensional code identification verification mode that this specification embodiment provides, in second time period
It is interior, since liquid crystal display is in pellucidity, gate inhibition's identification method of recognition of face can be not only carried out at this time, but also can carry out two dimension
Gate inhibition's identification method of code identification.When image in 2 D code is placed in front of liquid crystal display by user, second camera penetrates liquid crystal
Screen takes image in 2 D code, and the image in 2 D code taken is sent to backstage and carries out authentication process.Wherein, two-dimentional
Code image can be the electronic edition image in 2 D code on mobile terminal, be also possible to the image in 2 D code of papery version.
In addition, the time interval of setting first time period and second time period is less than preset time, preset time setting
Very small, the time interval being equivalent between first time period and second time period can be ignored, i.e., first time period with
Second time period seamless switching.
After adopting the above scheme, different using the display state of liquid crystal display in different time period, liquid crystal display can both be shown
Diagram picture, and it can be respectively intended to display image and light transmission barcode scanning with light transmission barcode scanning, without two pieces of display screens are arranged again, thus
Under the premise of not increasing identity recognition device volume, two kinds of identity information identification devices are combined, have both been improved general
Property, and saved cost.
Embodiment 2
Fig. 5 provides the step flow chart of another identity information acquisition method for present specification embodiment, specifically may be used
To include:
Step S501: the first image information that the first camera is shot in first time period is obtained.
Step S502: it controls the liquid crystal display and shows the first image information in the first time period.
In this embodiment, the first image set is the first image information of the first camera shooting, i.e. the first camera
It takes face and just shows facial facial image, take other objects and just show other objects, intuitively user can be allowed to look into
See the picture material that current first camera takes.
Step S503: when pellucidity is presented in second time period in the liquid crystal display, second camera is obtained the
Through the second image set of liquid crystal display shooting in two periods；The time of the first time period and the second time period
Interval is less than preset time；The duration of the first time period is greater than or equal to the duration of the second time period, and described the
The duration of two periods is less than or equal to the first preset duration.
Step S504: the liquid crystal display is controlled according to the first time period and the second time period according to round-robin algorithm
Carry out periodical display.It can specifically include:
The timer controlled in the identity information identification device is opened when the liquid crystal display shows the first image collection
Beginning timing, obtains t1'.
Judge whether t1' >=t1.
If t1' >=t1, controls the liquid crystal display and pellucidity is presented.
Judge whether t1'+t2' >=t.
If t1'+t2'>=t, controls the liquid crystal display and show the first image collection, empty the timer, lay equal stress on
The timer newly executed in the control identity information identification device starts when the liquid crystal display shows the first image set
Timing, obtain t1' and later the step of.
Wherein, t1' is the first timing duration, and t2' is the second timing duration, and t1 is the duration of the first time period, and t is
The cycle duration for the cycle period that the first time period and the second time period are constituted according to round-robin algorithm.
The identity information identification device includes shell, the first camera, second camera and display screen, the display screen
On the housing, the display screen is liquid crystal display for setting, and the second camera is arranged in the enclosure interior, and light passes through
The liquid crystal display enters the second camera.
There are two types of states for liquid crystal display, and when showing content, liquid crystal display is opaque state.When not showing content, liquid crystal
Screen is pellucidity.Different states is presented by the way that liquid crystal display is arranged in the present embodiment in different time period, so that passing through one piece
Liquid crystal display can realize that recognition of face and two dimensional code identify two kinds of gate inhibition's identifications, before not increasing identity recognition device volume
It puts, two kinds of identity information identification devices is combined, not only improve versatility, but also saved cost.
Wherein, control liquid crystal display shows the first image information in first time period, and liquid crystal display is not pellucidity at this time.
The first image information that liquid crystal display is shown can be the image information of the first camera acquisition.It is opaque for can making liquid crystal display
State, second camera are shot at this time less than the other content in addition to the first image information.
In second time period, liquid crystal display no longer shows the first image information, and pellucidity is presented.Second camera can be with
The second image set is taken through liquid crystal display in second time period.Second image set is no longer only limited as the first image set, can
Think arbitrary image information before being placed on liquid crystal display.Wherein, arbitrary image information may include energy before being placed on liquid crystal display
The combination image of two dimensional code, bar code and/or the two dimensional code and item row code that identify can also be the face that identification does not come out
Information or item image information etc..
In addition, the time interval of setting first time period and second time period is less than preset time, preset time setting
Very small, the time interval being equivalent between first time period and second time period can be ignored, i.e., first time period with
Second time period seamless switching.
Wherein, the duration of the first time period be greater than or equal to the second time period duration, and it is described second when
Between section duration be less than or equal to the first preset duration.First preset duration can be configured according to demand.For example, can
To be set as 0.1 second.
In second time period, liquid crystal display is not show any content, i.e., in pellucidity.In order to allow user to discover
Pellucidity is in less than liquid crystal display, it is believed that liquid crystal display is showing always content, the duration of second time period can be arranged
It is very short.The duration of second time period can be set smaller than to or is equal to the first preset duration.In second time period, due to
The picture frame that liquid crystal display shows is seldom in a short time, i.e. the time that the pellucidity of liquid crystal display shows is very short, right
It is the variation for not discovering not Chu Lai image for human eye.
For example, the frame number of liquid crystal display displays images can be 60 frame per second, the duration of second time period can be set to
The sixtieth second.Number of image frames i.e. in second time period in pellucidity is 1 frame, and the time that pellucidity is presented is very
It is short, for human eye, be it is imperceptible, i.e., from the user's point of view, it is seen that liquid crystal display showing the first image always.
Therefore, after adopting the above scheme, user is detectable liquid crystal display and is in pellucidity, it is believed that liquid crystal display is being shown always
Show content.The display image that user sees is continuously, to improve the Experience Degree of user.
In practical applications, a concrete application scene of the present embodiment, which may is that, knows interior employee using face
Other mode uses two-dimensional code recognition mode for temporary visitor, and temporary visit personnel disengaging frequency is lower.Due to temporary visit
Personnel's disengaging frequency is low, and the frequency that two-dimensional code recognition mode uses is with regard to relatively low, therefore, it can be provided user is detectable can
To carry out the state of two-dimensional code recognition mode.
Embodiment 3
Fig. 6 provides the step flow chart of another identity information acquisition method for present specification embodiment, specifically may be used
To include:
Step S601: the first image information that the first camera is shot in first time period is obtained.
Step S602: it controls the liquid crystal display and shows the first image information in the first time period.
In this embodiment, the first image set is the first image information of the first camera shooting, i.e. the first camera
It takes face and just shows facial facial image, take other objects and just show other objects, intuitively user can be allowed to look into
See the picture material that current first camera takes.
Step S603: when pellucidity is presented in second time period in the liquid crystal display, second camera is obtained the
Through the second image set of liquid crystal display shooting in two periods；The time of the first time period and the second time period
Interval is less than preset time, and the duration of the second time period is greater than or equal to the second preset duration.
Step S604: the liquid crystal display is controlled according to the first time period and the second time period according to round-robin algorithm
Carry out periodical display.It can specifically include:
The timer controlled in the identity information identification device is opened when the liquid crystal display shows the first image collection
Beginning timing, obtains t1'.
Judge whether t1' >=t1.
If t1' >=t1, controls the liquid crystal display and pellucidity is presented.
Judge whether t1'+t2' >=t.
If t1'+t2'>=t, controls the liquid crystal display and show the first image collection, empty the timer, lay equal stress on
The timer newly executed in the control identity information identification device starts when the liquid crystal display shows the first image set
Timing, obtain t1' and later the step of,
Wherein, t1' is the first timing duration, and t2' is the second timing duration, and t1 is the duration of the first time period, and t is
The cycle duration for the cycle period that the first time period and the second time period are constituted according to round-robin algorithm.
The identity information identification device includes shell, the first camera, second camera and display screen, the display screen
On the housing, the display screen is liquid crystal display for setting, and the second camera is arranged in the enclosure interior, and light passes through
The liquid crystal display enters the second camera.
There are two types of states for liquid crystal display, and when showing content, liquid crystal display is opaque state.When not showing content, liquid crystal
Screen is pellucidity.Different states is presented by the way that liquid crystal display is arranged in the present embodiment in different time period, so that passing through one piece
Liquid crystal display can realize that recognition of face and two dimensional code identify two kinds of gate inhibition's identifications, before not increasing identity recognition device volume
It puts, two kinds of identity information identification devices is combined, not only improve versatility, but also saved cost.
Wherein, control liquid crystal display shows the first image information in first time period, and liquid crystal display is not pellucidity at this time.
The first image information that liquid crystal display is shown can be the image information of the first camera acquisition.It is opaque for can making liquid crystal display
State, second camera are shot at this time less than the other content in addition to the first image information.
In second time period, liquid crystal display no longer shows the first image information, and pellucidity is presented.Second camera can be with
The second image set is taken through liquid crystal display in second time period.Second image set is no longer only limited as the first image set, can
Think arbitrary image information before being placed on liquid crystal display.Wherein, arbitrary image information may include energy before being placed on liquid crystal display
The combination image of two dimensional code, bar code and/or the two dimensional code and item row code that identify can also be the face that identification does not come out
Information or item image information etc..
In addition, the time interval of setting first time period and second time period is less than preset time, preset time setting
Very small, the time interval being equivalent between first time period and second time period can be ignored, i.e., first time period with
Second time period seamless switching.
Wherein, the duration of the second time period is greater than or equal to the second preset duration.Second preset duration can be with
It is configured according to demand.For example, can be set to 1 second.
During the display of image, after the duration only shown reaches certain time, human eye can just tell figure
The content of picture.If second time period setting is too short, the variation that naked eyes do not discover not Chu Lai image may result in.For human eye
It is pellucidity that liquid crystal display variation, which can be perceived, and then knowing at this time can be on identity information identification device using two dimension
Code carries out identity information verifying, and the duration of second time period can be set greater than to or is equal to the second preset duration.
Wherein, the duration of second time period may be set to be 1 second.Within 1 second time, it is already possible to make eye recognition
It is in pellucidity to liquid crystal display, and then knowing at this time can be on identity information identification device using two dimensional code progress identity
Then Information Authentication recycles the two dimensional code in terminal to carry out identity information verifying.
In practical applications, a concrete application scene of the present embodiment, which may is that, knows interior employee using face
Other mode uses two-dimensional code recognition mode for temporary visitor, and temporary visit personnel disengaging frequency is higher.Due to temporary visit
Personnel are mostly external staff, are all much to be identified for the first time using the device.If two-dimensional code recognition mode is identified
When time setting it is too short, external staff is detectable, and it is higher to may result in recognition failures rate, therefore, can will carry out
The duration of two-dimensional code recognition mode is arranged to the duration that human eye can be discovered out.
Above-described embodiment can also include in the following ways or means in the specific implementation:
In addition, in a specific embodiment, the duration range of the first time period is the sixtieth second to ten
/ mono- second.
In addition, in a specific embodiment, the duration range of the second time period is the sixtieth second to ten
/ mono- second.
The duration of first time period and the duration of second time period are all arranged shorter, and generally the sixtieth second is extremely
1/10th seconds.After being shown on liquid crystal display, the variation of image is substantially can not be identified in naked eyes.For example, can be by first when
Between the duration of section be set as 1/10th seconds, set the sixtieth second for the duration of second time period.In human eye, liquid
Crystalline substance screen may be constantly in the state of display first content, but during this period, two kinds of identification methods are all that can carry out identity
Verifying identification.
The duration of first time period and the duration of second time period can be configured according to the actual situation.In practical application
In, recognition of face mode is mainly used for identifying interior employee, and two-dimensional code recognition mode is mainly used to identify temporary visit personnel.
It before temporary visit personal identification, can be reserved in advance on platform, the two dimensional code of identification is sent by platform
Temporary visit personnel are given, temporary visit personnel recycle two dimensional code to identify.According to the actual situation, the duration of first time period
The generally higher than duration of second time period.For example, if the duration of first time period is set as 1/10th seconds, second time period
Duration can be set to 1/20th second.
In addition, in a specific embodiment, if within a preset time, the case where temporary visit personnel pass in and out gate inhibition, is super
Cross first threshold, then the duration of first time period can be arranged to the duration of second time period as.If when default
In, the case where temporary visit personnel pass in and out gate inhibition is more than second threshold, then the duration that first time period can be set into is less than
The duration of second time period.Wherein, first threshold and second threshold are also what administrative staff were set according to actual conditions.
In addition, in a specific embodiment, described when transparence is presented in the liquid crystal display in second time period
When state, after obtaining the second image set that second camera is shot in second time period through the liquid crystal display, the method
Further include:
Obtain the third image set that first camera is shot within the third period, the third period with it is described
The time interval of second time period is less than preset time.
It controls the liquid crystal display and shows the third image set within the third period, wherein the third image
Collection display content may include advertising information, first camera shooting image information, and/or image recognition processes in
Identification information.
If after second time period, never user selects two-dimensional code recognition mode to carry out authentication, then can be with one
Directly it is in the third period.Within the third period, liquid crystal display shows always third image set.When detected user selection two
When tieing up the progress authentication identification of code identification method, then execute the behaviour that first time period and second time period journey circulation switch over
Make.
It can also be adjusted according to the accuracy rate of identification, if according to the recognition result of first time period and second time period
From the point of view of, the failure rate identified is excessively high, it may be possible to because time setting is too short, identification is caused not come out, then it can be appropriate
Extend recognition time, switches to the third period.
Wherein, advertising information can be various forms of advertisements, for example, can be the wide of written form or visual form
It accuses.Identification information in image recognition processes can neutralize information recognition result for unidentified information, information identification.Information identification
As a result it can also be identified by including information and not pass through with information identification.
In addition, in a specific embodiment, the content that the first image collection is shown may include advertising information, institute
State the identification information in the image information, and/or image recognition processes of the first camera shooting.
Second image set includes the combination image of two dimensional code, bar code and/or two dimensional code Yu item row code.
Advertising information can be various forms of advertisements, for example, can be the advertisement of written form or visual form.Image
Identification information in identification process can neutralize information recognition result for unidentified information, information identification.Information recognition result is also
May include information be identified by with information identification do not pass through.
In addition, in a specific embodiment, in the acquisition second camera through described in second time period
After second image set of liquid crystal display shooting, can also include:
Identity information identification is carried out according to second image set, generates recognition result.It is generated according to the recognition result
Recognition result prompt.
Wherein, the second image set is generally image in 2 D code information.Identity is carried out according to the image in 2 D code information of acquisition
Information identification, generally can be there are two types of result.A kind of result is to be identified by, and another result is that identification does not pass through.Then root again
Recognition result prompt is generated according to recognition result, recognition result prompt can be there are many form, for example, can broadcast shape for language
Formula, or text importing form, can also for two forms combine carry out using.
For example, recognition result is to pass through, then can be generated and " verify logical when recognition result prompts for language casting form
Cross " verbal cue remind the subscriber authentication to pass through.
When recognition result prompts for text importing, recognition result is to pass through, then " is verified " in liquid crystal screen display
Picture cues remind the subscriber authentication to pass through.
In addition, in a specific embodiment, shot in first time period in the first camera of the acquisition the
After one image set, can also include:
Identity information identification is carried out according to the first image collection, generates recognition result.It is generated according to the recognition result
Recognition result prompt.
Wherein, the first image set can be people's face facial information.Identity information is carried out according to the face facial information of acquisition
Identification, generally can be there are two types of result.A kind of result is to be identified by, and another result is that identification does not pass through.Then further according to knowledge
Other result generates recognition result prompt, recognition result prompt can there are many form, for example, form can be broadcasted for language,
Can be text importing form, can also for two forms combine carry out using.
For example, recognition result is to pass through, then can be generated and " verify logical when recognition result prompts for language casting form
Cross " verbal cue remind the subscriber authentication to pass through.
When recognition result prompts for text importing, recognition result is to pass through, then " is verified " in liquid crystal screen display
Picture cues remind the subscriber authentication to pass through.
In addition, in a specific embodiment, in the control liquid crystal display according to the first time period and institute
State after second time period carries out periodical display, the method also includes: judge the first time period and it is described second when
Between the cycle-index that is periodically shown of section whether be more than preset loop number, obtain the first judging result.If described first
Judging result indicates that the number periodically shown is more than preset loop number, then controls the liquid crystal display and enter suspend mode shape
State.
Wherein, cycle-index can be configured according to the actual situation.For example, can be 50-80 times.
In an application scenarios, cycle-index can be 60 people, it is assumed that company personnel is 60 people, every morning 8. -9
Point is verifying peak period, and after having verified 60 times, control liquid crystal display enters dormant state.
In addition, in a specific embodiment, after the control liquid crystal display enters dormant state, the side
Method further include:
Judge whether first camera and/or the second camera sense personnel within a preset range, obtains
Second judging result.
If second judging result indicates that first camera and/or the second camera are felt within a preset range
Personnel should be arrived, then controls the liquid crystal display and resumes work state.Preset range can be according to the first camera and second camera
Model be configured.After adopting the above scheme, can be energy saving, extend the service life of equipment.
Wherein, a preset dormancy duration can also be set, wherein the first camera and second camera are infrared sense
Answer camera.If judging, any one camera is more than that preset dormancy duration does not sense personnel in coverage, can
Enter dormant state to control liquid crystal display.Into after dormant state, if judging, any one camera is really felt in coverage
Personnel should be arrived, then can control starting liquid crystal display, the state so that liquid crystal display is resumed work.
In addition, in a specific embodiment, the timer includes counter, the counting of the counter each second
Number is n, and the control liquid crystal display is carried out with the second time period according to round-robin algorithm according to the first time period
Periodically display.It can specifically include:
It controls the counter to start counting when the liquid crystal display shows the first image set, obtains Δ n1.
Judge whether Δ n1 >=N1.
If Δ n1 >=N1, controls the liquid crystal display and pellucidity is presented.
Judge whether Δ n1+ Δ n2 >=N.
If Δ n1+ Δ n2 >=N, controls the liquid crystal display and show the first image collection, empty the counter, lay equal stress on
It newly executes the control counter to start counting when the liquid crystal display shows the first image set, obtains Δ n1 and later
Step.
Wherein, Δ n1=t1'*n is first counts of the counter in first timing duration, Δ n2
=t2'*n, is second counts of the counter in second timing duration, and N=t*n is the first time
The tale number for the cycle period that section is constituted with the second time period according to round-robin algorithm, N1=t1*n are described first
Tale number in period.
Wherein, the duration of the duration of first time period and second time period can be the sixtieth second to 1/10th
Second.
In addition, in a specific embodiment, can also include:
Obtain the identity information in IC card.Identity information identification is carried out according to the identity information in the IC card, generates and knows
Not as a result, generating recognition result prompt according to the recognition result.
The embodiment uses the recognition of NFC non-contact card, in the pre-buried NFC antenna of the surrounding of liquid crystal display.Discrepancy personnel are by IC
Card is placed on liquid crystal display, and the reading of the card image of IC card can be realized.It is carried out further according to the card image of the IC card of reading
Identity information identification.
Identity information identification generally can be there are two types of result.A kind of result is to be identified by, another result be identify it is obstructed
It crosses.Then recognition result prompt is generated further according to recognition result, recognition result prompt can there are many forms, for example, can be
Language broadcast form, or text importing form, can also for two forms combine carry out using.
In addition, can also include: the identification of the other biologicals such as fingerprint recognition, Application on Voiceprint Recognition in a specific embodiment
Method.
After adopting the above scheme, different using the display state of liquid crystal display in different time period, liquid crystal display can both be shown
Diagram picture, and it can be respectively intended to display image and light transmission barcode scanning with light transmission barcode scanning, without two pieces of display screens are arranged again, thus
Under the premise of not increasing identity recognition device volume, two kinds of identity information identification devices are combined, have both been improved general
Property, and saved cost.
Embodiment 4
Fig. 7 is a kind of structural schematic diagram for identity information identification device that this specification embodiment provides.As shown in fig. 7,
It can specifically include display screen 4, shell 5 and through-hole 6.
Fig. 8 is a kind of diagrammatic cross-section for identity information identification device that this specification embodiment provides.As shown in figure 8,
It can specifically include processor 1, the first camera 2, second camera 3, display screen 4, shell 5 and through-hole 6.
The display screen 4 is arranged on the shell 5, and the display screen 4 is liquid crystal display.
First camera 2 is arranged inside the shell 5, has through-hole 6 on the shell 1, and light passes through described
Through-hole 6 enters first camera 2.
The second camera 3, setting enter second camera shooting by the liquid crystal display in the enclosure interior, light
First 3.
The processor 1 is arranged inside the shell 5, and the processor 1 connects first camera 2, described the
Two cameras 3 and the display screen 4 show the first image set for controlling the liquid crystal display in first time period；Described
When pellucidity is presented in liquid crystal display in the second time period, obtains second camera and penetrate the liquid in second time period
The time interval of second image set of crystalline substance screen shooting, the first time period and the second time period is less than preset time, control
It makes the liquid crystal display and periodical display is carried out according to round-robin algorithm according to the first time period and the second time period.
First camera 2 is arranged inside shell 5.
Different using the display state of liquid crystal display in different time period, liquid crystal display can not only show image, but also can be saturating
Light barcode scanning is respectively intended to display image and light transmission barcode scanning, thus not increasing identification dress without two pieces of display screens are arranged again
Under the premise of setting volume, two kinds of identity information identification devices are combined, not only improve versatility, but also saved cost.
Other than above-mentioned beneficial effect, the present embodiment, which also has, no longer occupies additional exterior space, equipment volume
It is small, the advantages of being convenient for carrying.
Above-described embodiment can also include in the following ways or means in the specific implementation:
In a specific embodiment, light transmitting sheet can be covered on the through-hole 6.Light enters through-hole by light transmitting sheet
6, then enter in the first camera 2 through through-hole 6, allow the first camera 2 to take image information.In addition, light transmitting sheet
Protective action can also be played, can prevent that dust from entering camera and the external world collides with and damages camera.
In addition, in a specific embodiment, the light transmitting sheet can be optical filter, the optical filter and the liquid crystal
Screen is located in the approximately the same plane of the shell.Light first passes through optical filter, then enters in the first camera 2 through through-hole.
Optical filter can not only filter out infrared ray, but also the light that can be modified into.Colored CCD (Charge-coupled
Device, charge coupled cell) infrared ray can also be incuded, exactly because can incude infrared ray, will lead to D.S.P can not be calculated just
True color.Therefore it can add a tablet filter, infrared ray part in light be separated, so colored CCD just needs to fill optical filter.
In addition, light is preferably that direct projection is come in, but neighbouring photosensitive in order to be afraid of to interfere with because being that many photoreceptors are constituted on CCD
Body, it is necessary to which light is modified.Therefore optical filter not instead of glass, quartz plate.Using quartz physics polarized light property,
The light come in, retain direct part, reflect away oblique fire part, avoids the sensitivity speck for influencing side.
In addition, in a specific embodiment, the material of shell can be plastic material, it is low in cost, and whole weight
Amount is light.During being carried to installation ground, it is easy to carry about with one.
In addition, can also include language broadcast device in a specific embodiment, described in the language broadcast device connection
Processor, the voice announcer carries out voice broadcast according to identification result, to remind personal identity authentication result.
In addition, can also include NFC non-contact card, in the pre-buried NFC of the surrounding of liquid crystal display in a specific embodiment
Antenna.IC card is placed on liquid crystal display by discrepancy personnel, and the reading of the card image of IC card can be realized.Further according to the IC of reading
The card image of card carries out identity information identification.
In addition, can also include: the identification of the other biologicals such as fingerprint recognition, Application on Voiceprint Recognition in a specific embodiment
Device.Discrepancy personnel can carry out gate inhibition's certification in such a way that the wish of oneself selects to be suitble to oneself, be able to satisfy different discrepancy
The demand of personnel, using more flexible changeable.
Embodiment 5
Fig. 9 is the schematic diagram of the section structure for another identity information identification device that this specification embodiment provides, specifically
It may include processor 1, the first camera 2, second camera 3, display screen 4 and shell 5.
The display screen 4 is arranged on the shell 5, and the display screen 4 is liquid crystal display.
First camera 2 is arranged outside the shell 5, and processor 1 is connect by conducting wire with the first camera 2.
The second camera 3, setting enter second camera shooting by the liquid crystal display in the enclosure interior, light
First 3.
The processor 1 is arranged inside the shell 5, and the processor 1 connects first camera 2, described the
Two cameras 3 and the display screen 4 show the first image set for controlling the liquid crystal display in first time period；Described
When pellucidity is presented in liquid crystal display in the second time period, obtains second camera and penetrate the liquid in second time period
The time interval of second image set of crystalline substance screen shooting, the first time period and the second time period is less than preset time, control
It makes the liquid crystal display and periodical display is carried out according to round-robin algorithm according to the first time period and the second time period.
First camera 2 is arranged outside shell 5.
After adopting the above scheme, different using the display state of liquid crystal display in different time period, liquid crystal display can both be shown
Diagram picture, and it can be respectively intended to display image and light transmission barcode scanning with light transmission barcode scanning, without two pieces of display screens are arranged again, thus
Under the premise of not increasing identity recognition device volume, two kinds of identity information identification devices are combined, have both been improved general
Property, and saved cost.
Other than above-mentioned beneficial effect, the outside of shell 5 is arranged in the first camera 2 by the present embodiment, is not had to again
It is limited by enclosure interior space, facilitates adjustment camera angle, the range monitored is big.And monitoring clarity can also be used
High camera, the face recognized is apparent comprehensively, improves recognition of face percent of pass.
In addition, embodiment 4 is compared with Example 5, component is arranged in shell, is not located at hull outside, is had
The advantages of being easily installed and replacing.
Above-described embodiment can also include in the following ways or means in the specific implementation:
In a specific embodiment, the material of shell can be plastic material, low in cost, and overall weight is light.
During being carried to installation ground, it is easy to carry about with one.
In addition, can also include language broadcast device in a specific embodiment, described in the language broadcast device connection
Processor, the voice announcer carries out voice broadcast according to identification result, to remind personal identity authentication result.
In addition, can also include NFC non-contact card, in the pre-buried NFC of the surrounding of liquid crystal display in a specific embodiment
Antenna.IC card is placed on liquid crystal display by discrepancy personnel, and the reading of the card image of IC card can be realized.Further according to the IC of reading
The card image of card carries out identity information identification.
In addition, can also include: the identification of the other biologicals such as fingerprint recognition, Application on Voiceprint Recognition in a specific embodiment
Device.Discrepancy personnel can carry out gate inhibition's certification in such a way that the wish of oneself selects to be suitble to oneself, be able to satisfy different discrepancy
The demand of personnel, using more flexible changeable.
In the 1990s, the improvement of a technology can be distinguished clearly be on hardware improvement (for example,
Improvement to circuit structures such as diode, transistor, switches) or software on improvement (improvement for method flow).So
And with the development of technology, the improvement of current many method flows can be considered as directly improving for hardware circuit.
Designer nearly all obtains corresponding hardware circuit by the way that improved method flow to be programmed into hardware circuit.Cause
This, it cannot be said that the improvement of a method flow cannot be realized with hardware entities module.For example, programmable logic device
(Programmable Logic Device, PLD) (such as field programmable gate array (Field Programmable
GateArray, FPGA)) it is exactly such a integrated circuit, logic function determines device programming by user.By designing
Personnel, which voluntarily program, to come a digital display circuit " integrated " on a piece of PLD, designed without asking chip maker and
Make dedicated IC chip.Moreover, nowadays, substitution manually makes IC chip, and this programming also changes mostly
It is realized with " logic compiler (logic compiler) " software, software compiler phase used when it writes with program development
It is similar, and the source code before compiling also write by handy specific programming language, this is referred to as hardware description language
(Hardware Description Language, HDL), and HDL is also not only a kind of, but there are many kind, such as ABEL
(Advanced Boolean Expression Language)、AHDL(Altera Hardware Description
Language)、Confluence、CUPL(Cornell UniversityProgramming Language)、HDCal、JHDL
(Java Hardware Description Language)、Lava、Lola、MyHDL、PALASM、RHDL(Ruby
Hardware Description Language) etc., VHDL (Very-High-Speed is most generally used at present
Integrated Circuit Hardware Description Language) and Verilog.Those skilled in the art also answer
This understands, it is only necessary to method flow slightly programming in logic and is programmed into integrated circuit with above-mentioned several hardware description languages,
The hardware circuit for realizing the logical method process can be readily available.
Controller can be implemented in any suitable manner, for example, controller can take such as microprocessor or processing
The computer for the computer readable program code (such as software or firmware) that device and storage can be executed by (micro-) processor can
Read medium, logic gate, switch, specific integrated circuit (Application Specific Integrated Circuit,
ASIC), the form of programmable logic controller (PLC) and insertion microcontroller, the example of controller includes but is not limited to following microcontroller
Device: ARC 625D, AtmelAT91SAM, Microchip PIC18F26K20 and Silicone Labs C8051F320 are deposited
Memory controller is also implemented as a part of the control logic of memory.It is also known in the art that in addition to
Pure computer readable program code mode is realized other than controller, can be made completely by the way that method and step is carried out programming in logic
Controller is obtained to come in fact in the form of logic gate, switch, specific integrated circuit, programmable logic controller (PLC) and insertion microcontroller etc.
Existing identical function.Therefore this controller is considered a kind of hardware component, and to including for realizing various in it
The device of function can also be considered as the structure in hardware component.Or even, it can will be regarded for realizing the device of various functions
For either the software module of implementation method can be the structure in hardware component again.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described want
There is also other identical elements in the process, method of element, commodity or equipment.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (10)
1. a kind of identity information acquisition method, which is characterized in that the described method includes:
The liquid crystal display of control identity information identification device shows the first image set in first time period；
When pellucidity is presented in second time period in the liquid crystal display, obtains second camera and penetrated in second time period
Second image set of the liquid crystal display shooting；
The time interval of the first time period and the second time period is less than preset time；
It controls the liquid crystal display and periodically show according to round-robin algorithm according to the first time period and the second time period
Show, specifically include:
The timer controlled in the identity information identification device starts to count when the liquid crystal display shows the first image collection
When, obtain t1'；
Judge whether t1' >=t1；
If t1' >=t1, controls the liquid crystal display and pellucidity is presented；
Judge whether t1'+t2' >=t；
If t1'+t2'>=t, controls the liquid crystal display and show the first image collection, empty the timer, and hold again
Timer in the row control identity information identification device starts timing when the liquid crystal display shows the first image set,
Obtain t1' and later the step of,
Wherein, t1' is the first timing duration, and t2' is the second timing duration, and t1 is the duration of the first time period, and t is described
First time period is with the second time period according to the cycle duration of the cycle period of round-robin algorithm；
The identity information identification device includes shell, the first camera, second camera and display screen, the display screen setting
On the housing, the display screen is liquid crystal display, and in the enclosure interior, light passes through described for the second camera setting
Liquid crystal display enters the second camera.
2. the method as described in claim 1, which is characterized in that the method also includes:
Obtain the first image information that the first camera is shot in first time period；
The control liquid crystal display shows the first image set in first time period, specifically:
It controls the liquid crystal display and shows the first image information in first time period.
3. the method as described in claim 1, which is characterized in that the duration of the first time period is greater than or equal to described second
The duration of period, and the duration of the second time period is less than or equal to the first preset duration.
4. the method as described in claim 1, which is characterized in that it is default that the duration of the second time period is greater than or equal to second
Duration.
5. method according to claim 2, which is characterized in that described when the liquid crystal display is presented thoroughly in second time period
It is described after obtaining the second image set that second camera is shot in second time period through the liquid crystal display when bright state
Method further include:
Obtain the third image information sets that first camera is shot within the third period, the third period with it is described
The time interval of second time period is less than preset time；
It controls the liquid crystal display and shows the third image set within the third period, wherein the third image set packet
Include advertising information, first camera shooting image information, and/or image recognition processes in identification information.
6. method according to claim 2, which is characterized in that the first image collection includes advertising information, described first takes the photograph
The identification information in image information, and/or image recognition processes shot as head；
Second image set includes the combination image of two dimensional code, bar code and/or two dimensional code Yu item row code.
7. method according to claim 2, which is characterized in that in the control liquid crystal display according to the first time period
After carrying out periodical display according to round-robin algorithm with the second time period, the method also includes:
Whether the number for judging that the first time period and the second time period are periodically shown according to round-robin algorithm surpasses
Preset loop number is crossed, the first judging result is obtained；
If first judging result indicate the number periodically shown be more than preset loop number, control described in
Liquid crystal display enters dormant state.
8. the method for claim 7, which is characterized in that after the control liquid crystal display enters dormant state,
The method also includes:
Judge whether first camera and/or the second camera sense personnel within a preset range, obtains second
Judging result；
If second judging result indicates that first camera and/or the second camera sense within a preset range
Personnel then control the liquid crystal display and resume work state.
9. the method as described in claim 1, which is characterized in that the timer includes counter, the counter each second
Counting number be n, the control liquid crystal display is calculated according to the first time period and the second time period according to circulation
Method carries out periodical display, specifically includes:
It controls the counter to start counting when the liquid crystal display shows the first image set, obtains Δ n1；
Judge whether Δ n1 >=N1；
If Δ n1 >=N1, controls the liquid crystal display and pellucidity is presented；
Judge whether Δ n1+ Δ n2 >=N；
If Δ n1+ Δ n2 >=N, controls the liquid crystal display and show the first image collection, empty the counter, and hold again
The row control counter is started counting when the liquid crystal display shows the first image set, obtains Δ n1 and step later
Suddenly,
Wherein, Δ n1=t1'*n is first counts of the counter in first timing duration, Δ n2=
T2'*n, is second counts of the counter in second timing duration, and N=t*n is the first time period
The tale number of the cycle period constituted with the second time period according to round-robin algorithm, N1=t1*n, when being described first
Between tale number in section.
10. a kind of identity information identification device, which is characterized in that described device includes: shell, the first camera, the second camera shooting
Head, display screen and processor；On the housing, the display screen is liquid crystal display for the display screen setting；
The second camera, setting enter the second camera by the liquid crystal display in the enclosure interior, light；
The processor, setting connect first camera, the second camera in the enclosure interior, the processor
With the display screen, the first image set is shown in first time period for controlling the liquid crystal display；In the liquid crystal display in institute
When stating presentation pellucidity in second time period, second camera is obtained in second time period through liquid crystal display shooting
The time interval of second image set, the first time period and the second time period is less than preset time, controls the liquid crystal
Screen carries out periodical display according to round-robin algorithm according to the first time period and the second time period.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114363518A (en) * | 2022-01-10 | 2022-04-15 | 山东派盟网络科技有限公司 | Image acquisition and information display device, image acquisition method and device |
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| CN114363518A (en) * | 2022-01-10 | 2022-04-15 | 山东派盟网络科技有限公司 | Image acquisition and information display device, image acquisition method and device |
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Application publication date: 20190723 |