CN109784246A - A kind of method and apparatus of information association - Google Patents
A kind of method and apparatus of information association Download PDFInfo
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- CN109784246A CN109784246A CN201811654803.3A CN201811654803A CN109784246A CN 109784246 A CN109784246 A CN 109784246A CN 201811654803 A CN201811654803 A CN 201811654803A CN 109784246 A CN109784246 A CN 109784246A
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Abstract
The invention proposes a kind of methods and apparatus of information association, wherein this method comprises: obtaining the identity information of default object；Obtain face visible images and the human face structure light image of the default object；When the default 2D face characteristic of extraction 2D face characteristic matching passes through from the face visible images, the plan position information of human eye in the face visible images is determined；The depth location information of the human eye is determined from the human face structure light image；Start infrared flashlight, and be aligned after the human eye carries out zoom and shot with depth location information control infrared camera based on the plan position information, to obtain infrared image；The iris feature of the default object is extracted from the infrared image, and the iris feature, 3D face characteristic and the identity information are associated.The method for realizing automation registration, efficiency is very high, reduces costs, and has also carried out face verification automatically in registration, improves the accuracy of information.
Description
Summary of the invention
The invention proposes a kind of methods and apparatus of information association, by obtaining the object after obtaining identity information
Facial image, and verified based on facial image, instruct infrared camera to take based on facial image after verifying
Clearer iris feature, and iris feature and identity information are associated, the method for realizing automation registration, efficiency is very
Height reduces costs, and has also carried out face verification automatically in registration, improves the accuracy of information.
The embodiment of the present invention proposes a kind of method of information association, comprising:
Obtain the identity information of default object；
Obtain face visible images and the human face structure light image of the default object；
When the default 2D face characteristic of extraction 2D face characteristic matching passes through from the face visible images, institute is determined
State the plan position information of human eye in face visible images；The depth position of the human eye is determined from the human face structure light image
Confidence breath；
Wherein, the default 2D face characteristic be preset 2D face database in the associated 2D people of the identity information
Face feature；
Start infrared flashlight, and infrared camera is controlled based on the plan position information and the depth location information
It is aligned after the human eye carries out zoom and shoots, to obtain infrared image；
The iris feature of the default object is extracted from the infrared image, and the iris feature, 3D face is special
Sign is associated with the identity information；Wherein, the 3D face characteristic is extracted from the human face structure light image.
In a specific embodiment, described " starting infrared flashlight, and based on the plan position information with it is described
Depth location information control infrared camera, which is aligned after the human eye carries out zoom, to be shot, to obtain infrared image ", comprising:
Start infrared flashlight, and controls infrared camera and be based on the plan position information and the depth location information
It is directed at the human eye periodically to be shot, to obtain multiple infrared images.
In a specific embodiment, further includes:
Object in multiple infrared images is analyzed；
When there are multiple objects, the position letters of the determining lower an object adjacent with the default object in the infrared image
Breath；
And when getting the identity information of lower an object, the face of the lower an object is obtained based on the location information
Visible images and human face structure light image.
In a specific embodiment, further includes: described " to obtain face visible images and the people of the default object
Face structure light image ", comprising:
It is shot by visible image capturing head, to obtain the face visible images of the default object；
By dot matrix projector emitting structural light beam, while starting infrared camera and being shot to obtain described preset
The human face structure light image of object.
In a specific embodiment, further includes:
Face 3D depth image is obtained by the human face structure light image；
The extraction of 3D face characteristic is carried out, in the face 3D depth image to obtain the 3D face characteristic.
In a specific embodiment, further includes:
In vivo detection is carried out based on the face 3D depth image；
When the In vivo detection passes through, the operation of starting infrared flashlight is executed.
In a specific embodiment, in the depth location letter for determining the human eye from the human face structure light image
Breath, later further include:
It controls infrared floodlight illumination unit and carries out infrared floodlight irradiation, while it is described pre- to start the infrared camera shooting
If the face infrared image of object；
The size of the human eye is determined based on the face infrared image；
When the human eye size reaches the requirement of iris recognition, the operation of starting infrared flashlight is executed.
The embodiment of the present invention proposes a kind of equipment of information association, comprising:
First obtains module, for obtaining the identity information of default object；
Second obtains module, for obtaining face visible images and the human face structure light image of the default object；
Determining module, for when the default 2D face characteristic of extraction 2D face characteristic matching from the face visible images
By when, determine the plan position information of human eye in the face visible images；Institute is determined from the human face structure light image
State the depth location information of human eye；Wherein, the default 2D face characteristic be preset 2D face database in the identity
The 2D face characteristic of information association；
Shooting module, for starting infrared flashlight, and based on the plan position information and the depth location information
Control infrared camera is aligned after the human eye carries out zoom and shoots, to obtain infrared image；
Relating module, for extracting the iris feature of the default object from the infrared image, and by the iris
Feature, 3D face characteristic and the identity information are associated；Wherein, the 3D face characteristic is from the human face structure light
It is extracted in image.
In a specific embodiment, the shooting module, is used for:
Start infrared flashlight, and controls infrared camera and be based on the plan position information and the depth location information
It is directed at the human eye periodically to be shot, to obtain multiple infrared images.
In a specific embodiment, further includes:
Processing module, for analyzing the object in multiple infrared images；
When there are multiple objects, the position letters of the determining lower an object adjacent with the default object in the infrared image
Breath；
And when getting the identity information of lower an object, the face of the lower an object is obtained based on the location information
Visible images and human face structure light image.
With this, the embodiment of the present invention proposes a kind of method and apparatus of information association, wherein this method comprises: obtaining pre-
If the identity information of object；Obtain face visible images and the human face structure light image of the default object；When from the people
When the default 2D face characteristic of extraction 2D face characteristic matching passes through in face visible images, the face visible images are determined
The plan position information of middle human eye；The depth location information of the human eye is determined from the human face structure light image；Wherein, described
Default 2D face characteristic be in preset 2D face database with the associated 2D face characteristic of the identity information；Start infrared
Flash lamp, and the human eye is directed at depth location information control infrared camera based on the plan position information and is carried out
It is shot after zoom, to obtain infrared image；The iris feature of the default object is extracted from the infrared image, and will be described
Iris feature, 3D face characteristic and the identity information are associated；Wherein, the 3D face characteristic is from the human face structure
It is extracted in light image.It is tested by after obtaining identity information, obtaining the facial image of the object, and based on facial image
Card instructs infrared camera to take clearer iris feature after verifying based on facial image, and by iris feature with
Identity information is associated, and the method for realizing automation registration, efficiency is very high, is reduced costs, and also automatic in registration
Face verification has been carried out, the accuracy of information is improved.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of flow diagram of the method for information association that the embodiment of the present invention proposes；
Fig. 2 is a kind of structural schematic diagram of the equipment for information association that the embodiment of the present invention proposes；
Fig. 3 is a kind of structural schematic diagram of the equipment for information association that the embodiment of the present invention proposes；
Fig. 4 is a kind of structural schematic diagram of the equipment for information association that the embodiment of the present invention proposes.
Specific embodiment
Hereinafter, the various embodiments of the disclosure will be described more fully.The disclosure can have various embodiments, and
It can adjust and change wherein.It should be understood, however, that: there is no the various embodiments of the disclosure are limited to spy disclosed herein
Determine the intention of embodiment, but the disclosure should be interpreted as in the spirit and scope for covering the various embodiments for falling into the disclosure
All adjustment, equivalent and/or optinal plan.
The term used in the various embodiments of the disclosure is used only for the purpose of describing specific embodiments and not anticipates
In the various embodiments of the limitation disclosure.As used herein, singular is intended to also include plural form, unless context is clear
Chu it is indicated otherwise.Unless otherwise defined, otherwise all terms (including technical terms and scientific terms) used herein have
There is meaning identical with the various normally understood meanings of embodiment one skilled in the art of the disclosure.The term
(term such as limited in the dictionary generally used) is to be interpreted as having and situational meaning in the related technical field
Identical meaning and it will be interpreted as having Utopian meaning or meaning too formal, unless in the various of the disclosure
It is clearly defined in embodiment.
Embodiment 1
The embodiment of the present invention 1 discloses a kind of method of information association, as shown in Figure 1, comprising the following steps:
Step 101, the identity information for obtaining default object；
Specifically, the device that this programme is related to specifically includes that dot matrix projector (for emitting structural light beam), infrared
Camera (for shooting structure light image and shooting iris image), visible image capturing head (for shooting visible images), depth
Computing unit (calculating 3D depth image using structure light image), 3D face identification unit are spent (for according to 3D depth image
Carry out face characteristic extraction and comparison), In vivo detection unit (for carrying out In vivo detection), 2D face identification unit (be used for root
Carry out face characteristic extraction and comparison according to visible images), infrared floodlight illumination unit (for illuminating face), human eye detection list
First (for detecting the size of human eye), infrared flare illumination unit (for illuminating iris), iris recognition unit are (for shooting
To iris image carry out iris feature extraction and comparison), main control unit (for connecting and controlling each functional unit), number
According to storage unit (for storing each centre and result data), ambient light sensor (for detecting ambient light intensity), distance
Sensor (for detection device at a distance from the number of people), screen display unit (for showing image and text), network communication list
Member (for being communicated with background server) etc..
Specifically, the identity information in step 101, which may is that, uses identity card, phone number, membership number etc. in user
It is got when progress system login.
Step 102, the face visible images for obtaining the default object and human face structure light image；
Specifically, " the face visible images and human face structure light figure of the acquisition default object in step 102
Picture ", comprising:
It is shot by visible image capturing head, to obtain the face visible images of the default object；
By dot matrix projector emitting structural light beam, while starting infrared camera and being shot to obtain described preset
The human face structure light image of object.
In the case, this programme further include:
Face 3D depth image is obtained by the human face structure light image；
The extraction of 3D face characteristic is carried out, in the face 3D depth image to obtain the 3D face characteristic.
And further, this programme further include:
In vivo detection is carried out based on the face 3D depth image；
When the In vivo detection passes through, the operation of starting infrared flashlight is executed.
Step 103 passes through when extracting 2D face characteristic from the face visible images and match default 2D face characteristic
When, determine the plan position information of human eye in the face visible images；The people is determined from the human face structure light image
The depth location information of eye；Wherein, the default 2D face characteristic be preset 2D face database in the identity information
Associated 2D face characteristic；
Specifically, in a specific embodiment, such as by taking three-dimensional coordinate x/y/z triaxial coordinate as an example, depth location
Corresponding information is z-axis coordinate, and the coordinate of plan position information then corresponding x-axis and y axis.
Specifically, under practical application scene, the embodiment that can have following two different:
Embodiment one, comprising the following steps:
1, face authentication: main control unit controls visible image capturing head and shoots face visible images, 2D recognition of face list
Member carries out the extraction of 2D face characteristic according to obtained face visible images, and with the face characteristic in subscriber identity information into
Row compares, and confirmation, which is that user is rear, to be entered in next step, otherwise exits；
2, structure light imaging: main control unit control point array projection device emitting structural light beam, while infrared camera is clapped
Take the photograph human face structure light image；
3, calculate depth image: it is deep that face 3D is calculated according to obtained human face structure light image in depth calculation unit
Spend image；
4,3D face characteristic extracts: it is special to carry out 3D face according to obtained face 3D depth image for 3D face identification unit
Sign is extracted；In vivo detection unit carries out In vivo detection according to obtained face 3D depth image.
Embodiment two, then the following steps are included:
1, In vivo detection: main control unit control point array projection device emitting structural light beam, while infrared camera is shot
Human face structure light image；Face 3D depth image is calculated according to obtained human face structure light image in depth calculation unit；It is living
Body detection unit carries out In vivo detection according to obtained face 3D depth image；
2, face authentication: main control unit controls visible image capturing head and shoots face visible images, 2D recognition of face list
Member carries out the extraction of 2D face characteristic according to obtained face visible images, and with the face characteristic in subscriber identity information into
Row compares, and confirmation, which is that user is rear, to be entered in next step, otherwise exits.
And it is further, in the depth location information for determining the human eye from the human face structure light image, also wrap later
It includes:
It controls infrared floodlight illumination unit and carries out infrared floodlight irradiation, while it is described pre- to start the infrared camera shooting
If the face infrared image of object；
The size of the human eye is determined based on the face infrared image；
When the human eye size reaches the requirement of iris recognition, the operation of starting infrared flashlight is executed.
Step 104, starting infrared flashlight, and it is red based on the plan position information and depth location information control
Outer camera is aligned after the human eye carries out zoom and shoots, to obtain infrared image；
Specifically, above dot matrix projector, infrared camera, visible image capturing head, infrared flare illumination unit etc. are equal
It can be placed on same holder, carry out Rigid Body in Rotation With.By this can by control cloud platform rotation in a manner of control infrared photography
Head alignment human eye, and shot after zoom amplification, to obtain infrared image.
Specifically, in the present solution, in one embodiment, dot matrix projector, infrared camera, visible image capturing head,
Infrared flare illumination unit is all positioned on same holder, carries out Rigid Body in Rotation With；Infrared camera is shooting human face structure at this time
Be multiplexed when light image and iris (namely need to shoot the red of human face structure light image and iris by the same infrared camera
Outer image), infrared light compensating lamp is it is desirable that flash mode, to act on the infrared light timesharing of the dot matrix projector.
And in another embodiment, dot matrix projector, infrared photography is first and visible image capturing head is fixed；
Infrared camera two and infrared flare illumination unit are placed on same holder, carry out Rigid Body in Rotation With；Infrared camera does not have at this time
Have and be multiplexed in the shooting in human face structure light image and iris infrared image, namely need respectively with infrared photography it is first with
Infrared camera two obtains to shoot；Infrared light compensating lamp can use flash mode, can also be with being always on mode.If it is being always on mould
Formula, then the dot matrix projector uses the infrared light of 940nm wavelength, the infrared light of infrared light compensating lamp 850nm wavelength, while infrared taking the photograph
As the infrared light of first induction 940nm wavelength, the infrared light of infrared camera two induction 850nm wavelength.If it is flash of light
Mode, then the infrared light of phase co-wavelength can be used in the dot matrix projector and infrared light compensating lamp, and the red of different wave length also can be used
Outer light.
Specifically, can control infrared photography based on plan position information and depth location information that abovementioned steps obtain
Head carries out control human eye part shooting after zoom, and to get infrared image, specific infrared camera is zoom camera.With this
It is available to arrive more accurate clearer infrared image.
Step 105, the iris feature that the default object is extracted from the infrared image, and by the iris feature,
3D face characteristic is associated with the identity information；Wherein, the 3D face characteristic is from the human face structure light image
It extracts.
In a specific embodiment, in step 104 it is described " starting infrared flashlight, and be based on the plane position
Confidence breath is aligned after the human eye carries out zoom with depth location information control infrared camera and shoots, to obtain infrared figure
Picture ", comprising:
Start infrared flashlight, and controls infrared camera and be based on the plan position information and the depth location information
It is directed at the human eye periodically to be shot, to obtain multiple infrared images.
In a specific embodiment, this method further include:
Object in multiple infrared images is analyzed；
When there are multiple objects, the position letters of the determining lower an object adjacent with the default object in the infrared image
Breath；
And when getting the identity information of lower an object, the face of the lower an object is obtained based on the location information
Visible images and human face structure light image.
Specifically in view of under actual application scenarios, such as railway station is entered the station when checking, in the case, due to preceding
After have multiple people, in the case, can be based on the taken infrared of existing object in order to preferably carry out information association
Image has been likely that there are multiple objects in the infrared image, in the case, can be to current if there is multiple objects
Object execute iris feature extract while, can also further determine that the lower an object adjacent with existing object position letter
Breath, and shot based on location information adjustment visible image capturing head and infrared camera, it can to get the face of lower an object
Light-exposed image and human face structure light image.And periodically circulation executes with this.
Embodiment 2
The embodiment of the present invention 2 also discloses a kind of equipment of information association, as shown in Figure 2, comprising:
First obtains module 201, for obtaining the identity information of default object；
Second obtains module 202, for obtaining face visible images and the human face structure light image of the default object；
Determining module 203, for when the default 2D face of extraction 2D face characteristic matching from the face visible images
When feature passes through, the plan position information of human eye in the face visible images is determined；It is true from the human face structure light image
The depth location information of the fixed human eye；Wherein, the default 2D face characteristic be preset 2D face database in it is described
The associated 2D face characteristic of identity information；
Shooting module 204 is believed for starting infrared flashlight, and based on the plan position information and the depth location
Breath control infrared camera, which is aligned after the human eye carries out zoom, to be shot, to obtain infrared image；
Relating module 205, for extracting the iris feature of the default object from the infrared image, and by the rainbow
Film feature, 3D face characteristic and the identity information are associated；Wherein, the 3D face characteristic is from the human face structure light
It is extracted in image.
In a specific embodiment, the shooting module 204, is used for:
Start infrared flashlight, and controls infrared camera and be based on the plan position information and the depth location information
It is directed at the human eye periodically to be shot, to obtain multiple infrared images.
In a specific embodiment, as shown in figure 3, the equipment further include:
Processing module 206, for analyzing the object in multiple infrared images；
When there are multiple objects, the position letters of the determining lower an object adjacent with the default object in the infrared image
Breath；
And when getting the identity information of lower an object, the face of the lower an object is obtained based on the location information
Visible images and human face structure light image.
In a specific embodiment, second module 202 is obtained, is used for:
It is shot by visible image capturing head, to obtain the face visible images of the default object；
By dot matrix projector emitting structural light beam, while starting infrared camera and being shot to obtain described preset
The human face structure light image of object.
In a specific embodiment, as shown in Figure 4, further includes:
3D face characteristic module 207, for obtaining face 3D depth image by the human face structure light image；
The extraction of 3D face characteristic is carried out, in the face 3D depth image to obtain the 3D face characteristic.
In a specific embodiment, further includes:
In vivo detection module, for carrying out In vivo detection based on the face 3D depth image；
When the In vivo detection passes through, the operation of starting infrared flashlight is executed.
In a specific embodiment, further includes:
Preprocessing module, for after determining the depth location information of the human eye from the human face structure light image,
It controls infrared floodlight illumination unit and carries out infrared floodlight irradiation, while starting the infrared camera and shooting the default object
Face infrared image；
The size of the human eye is determined based on the face infrared image；
When the human eye size reaches the requirement of iris recognition, the operation of starting infrared flashlight is executed.
With this, the embodiment of the present invention proposes a kind of method and apparatus of information association, wherein this method comprises: obtaining pre-
If the identity information of object；Obtain face visible images and the human face structure light image of the default object；When from the people
When the default 2D face characteristic of extraction 2D face characteristic matching passes through in face visible images, the face visible images are determined
The plan position information of middle human eye；The depth location information of the human eye is determined from the human face structure light image；Wherein, described
Default 2D face characteristic be in preset 2D face database with the associated 2D face characteristic of the identity information；Start infrared
Flash lamp, and the human eye is directed at depth location information control infrared camera based on the plan position information and is carried out
It is shot after zoom, to obtain infrared image；The iris feature of the default object is extracted from the infrared image, and will be described
Iris feature, 3D face characteristic and the identity information are associated；Wherein, the 3D face characteristic is from the human face structure
It is extracted in light image.It is tested by after obtaining identity information, obtaining the facial image of the object, and based on facial image
Card instructs infrared camera to take clearer iris feature after verifying based on facial image, and by iris feature with
Identity information is associated, and the method for realizing automation registration, efficiency is very high, is reduced costs, and also automatic in registration
Face verification has been carried out, the accuracy of information is improved.
It will be appreciated by those skilled in the art that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, module in attached drawing or
Process is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into
Row is distributed in the device of implement scene, can also be carried out corresponding change and is located at the one or more dresses for being different from this implement scene
In setting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
Aforementioned present invention serial number is for illustration only, does not represent the superiority and inferiority of implement scene.
Disclosed above is only several specific implementation scenes of the invention, and still, the present invention is not limited to this, Ren Heben
What the technical staff in field can think variation should all fall into protection scope of the present invention.
Claims (10)
1. a kind of method of information association characterized by comprising
Obtain the identity information of default object；
Obtain face visible images and the human face structure light image of the default object；
When the default 2D face characteristic of extraction 2D face characteristic matching passes through from the face visible images, the people is determined
The plan position information of human eye in face visible images；The depth location letter of the human eye is determined from the human face structure light image
Breath；
Wherein, the default 2D face characteristic is special with the associated 2D face of the identity information in preset 2D face database
Sign；
Start infrared flashlight, and is aligned based on the plan position information with depth location information control infrared camera
The human eye is shot after carrying out zoom, to obtain infrared image；
Extract the iris feature of the default object from the infrared image, and by the iris feature, 3D face characteristic with
The identity information is associated；Wherein, the 3D face characteristic is extracted from the human face structure light image.
2. a kind of method of information association as described in claim 1, which is characterized in that " the starting infrared flashlight, and base
It is aligned after the human eye carries out zoom and shoots with depth location information control infrared camera in the plan position information,
To obtain infrared image ", comprising:
Start infrared flashlight, and controls infrared camera and be aligned based on the plan position information with the depth location information
The human eye is periodically shot, to obtain multiple infrared images.
3. a kind of method of information association as claimed in claim 2, which is characterized in that further include:
Object in multiple infrared images is analyzed；
When there are multiple objects, the location informations of the determining lower an object adjacent with the default object in the infrared image；
And when getting the identity information of lower an object, the face for obtaining the lower an object based on the location information is visible
Light image and human face structure light image.
4. a kind of method of information association as described in claim 1, which is characterized in that further include: it is described " to obtain described default
The face visible images of object and human face structure light image ", comprising:
It is shot by visible image capturing head, to obtain the face visible images of the default object；
By dot matrix projector emitting structural light beam, while starting infrared camera and being shot to obtain the default object
Human face structure light image.
5. a kind of method of information association as claimed in claim 4, which is characterized in that further include:
Face 3D depth image is obtained by the human face structure light image；
The extraction of 3D face characteristic is carried out, in the face 3D depth image to obtain the 3D face characteristic.
6. a kind of method of information association as claimed in claim 5, which is characterized in that further include:
In vivo detection is carried out based on the face 3D depth image；
When the In vivo detection passes through, the operation of starting infrared flashlight is executed.
7. a kind of method of information association as described in claim 1, which is characterized in that true from the human face structure light image
The depth location information of the fixed human eye, later further include:
It controls infrared floodlight illumination unit and carries out infrared floodlight irradiation, while starting described default pair of the infrared camera shooting
The face infrared image of elephant；
The size of the human eye is determined based on the face infrared image；
When the human eye size reaches the requirement of iris recognition, the operation of starting infrared flashlight is executed.
8. a kind of equipment of information association characterized by comprising
First obtains module, for obtaining the identity information of default object；
Second obtains module, for obtaining face visible images and the human face structure light image of the default object；
Determining module passes through for working as the default 2D face characteristic of extraction 2D face characteristic matching from the face visible images
When, determine the plan position information of human eye in the face visible images；The people is determined from the human face structure light image
The depth location information of eye；Wherein, the default 2D face characteristic be preset 2D face database in the identity information
Associated 2D face characteristic；
Shooting module is controlled for starting infrared flashlight, and based on the plan position information and the depth location information
Infrared camera is aligned after the human eye carries out zoom and shoots, to obtain infrared image；
Relating module, for extracting the iris feature of the default object from the infrared image, and by the iris feature,
3D face characteristic is associated with the identity information；Wherein, the 3D face characteristic is from the human face structure light image
It extracts.
9. a kind of equipment of information association as claimed in claim 8, which is characterized in that the shooting module is used for:
Start infrared flashlight, and controls infrared camera and be aligned based on the plan position information with the depth location information
The human eye is periodically shot, to obtain multiple infrared images.
10. a kind of equipment of information association as claimed in claim 9, which is characterized in that further include:
Processing module, for analyzing the object in multiple infrared images；
When there are multiple objects, the location informations of the determining lower an object adjacent with the default object in the infrared image；
And when getting the identity information of lower an object, the face for obtaining the lower an object based on the location information is visible
Light image and human face structure light image.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112784649A (en) * | 2019-11-11 | 2021-05-11 | 北京君正集成电路股份有限公司 | Infrared living body detection equipment and method for detecting whether infrared living body detection equipment works normally |
| CN113711229A (en) * | 2019-05-31 | 2021-11-26 | Oppo广东移动通信有限公司 | Control method of electronic device, and computer-readable storage medium |
| CN114743255A (en) * | 2020-12-23 | 2022-07-12 | 深圳爱酷智能科技有限公司 | Multi-modal biological feature recognition method and device, readable storage medium and equipment |
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