CN107437070A - Iris vivo identification method and Related product - Google Patents
Iris vivo identification method and Related product Download PDFInfo
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- CN107437070A CN107437070A CN201710581761.4A CN201710581761A CN107437070A CN 107437070 A CN107437070 A CN 107437070A CN 201710581761 A CN201710581761 A CN 201710581761A CN 107437070 A CN107437070 A CN 107437070A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
- G06V40/19—Sensors therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/40—Spoof detection, e.g. liveness detection
- G06V40/45—Detection of the body part being alive
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The embodiment of the invention discloses a kind of iris vivo identification method and Related product, this method to include：Iris image is gathered by iris camera；First user images are gathered by front camera；Whether identify in the first user images comprising default live body image；If comprising default live body image in the first user images, it is living body iris image to determine iris image.The embodiment of the present invention can improve the security of iris recognition.
Description
Technical field
The present invention relates to technical field of mobile terminals, and in particular to a kind of iris vivo identification method and Related product.
Background technology
With the popularization of the mobile terminals such as mobile phone, tablet personal computer, modern life people have substantially been one mobile phones of human hand.
In order to ensure the security of mobile phone, current mobile phone is typically all using biological identification technologies such as fingerprint recognition, recognitions of face.Its
In, false proof degree is high with its for iris recognition, the advantages that being not easy to be cracked, and has been widely used for mobile phone unblock, mobile payment etc. respectively
Individual aspect.
However, iris is easily forged, security is relatively low., can be with for example, after criminal gets mobile phone owner's photo
Iris recognition is carried out using mobile phone owner's human eye photo.It can be seen that the security of current iris recognition is relatively low.
The content of the invention
The embodiments of the invention provide a kind of iris vivo identification method and Related product, the peace of iris recognition can be improved
Quan Xing.
First aspect of the embodiment of the present invention provides a kind of iris vivo identification method, including：
Iris image is gathered by iris camera；
First user images are gathered by front camera；
Whether identify in first user images comprising default live body image；
If including the default live body image in first user images, it is living body iris figure to determine the iris image
Picture.
Second aspect of the embodiment of the present invention provides a kind of mobile terminal, including iris camera, front camera and should
With processor AP, wherein：
The iris camera, for gathering iris image；
The front camera, for gathering the first user images；
The AP, for identifying whether comprising default live body image in first user images, and for identifying
When the default live body image is included in first user images, it is living body iris image to determine the iris image.
The third aspect of the embodiment of the present invention provides a kind of mobile terminal, including iris camera, front camera, using place
Device AP and memory are managed, the memory is used to store one or more programs, and one or more of programs are configured to
Performed by the AP, described program includes being used to perform the part as described in first aspect either method of the embodiment of the present invention
Or Overall Steps.
Fourth aspect of the embodiment of the present invention provides a kind of mobile terminal, including collecting unit, recognition unit and determining unit,
Wherein：
The collecting unit, for gathering iris image by iris camera, used by front camera collection first
Family image；
The recognition unit, for whether identifying in first user images comprising default live body image；
The determining unit, for including the default live body image when recognition unit is identified in first user images
When, it is living body iris image to determine the iris image.
The aspect of the embodiment of the present invention the 5th provides a kind of computer-readable recording medium, the computer-readable recording medium
For storing the computer program of electronic data interchange, wherein, the computer program causes computer to perform as the present invention is real
Apply the part or all of step described in a first aspect either method.
The aspect of the embodiment of the present invention the 6th provides a kind of computer program product, and the computer program product includes storage
The non-transient computer-readable recording medium of computer program, the computer program are operable to make computer perform such as
Part or all of step described in first aspect either method of the embodiment of the present invention.
Iris vivo identification method in the embodiment of the present invention, mobile terminal is when carrying out iris vivo identification, Ke Yili
The first user images are gathered with front camera, and whether are identified in the first user images comprising default live body image, presets and lives
Body image can be the image for the user's body organ that front camera photographs, and be included if recognized in the first user images
Default live body image, shows that front camera has photographed real user's human body image, and the object for showing shooting is live body.This
Whether the iris image that inventive embodiments image collection using front camera auxiliary judgment iris is living body iris image, live body
Whether recognizer is simple, can be live body with quick detection iris, improve the security of iris recognition.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 a are the operation principle schematic diagrams of iris recognition disclosed in the embodiment of the present invention；
Fig. 1 b are a kind of structural representations of mobile terminal disclosed in the embodiment of the present invention；
Fig. 1 c are a kind of user images schematic diagrames of front camera collection disclosed in the embodiment of the present invention；
Fig. 1 d are the user images schematic diagrames of another front camera collection disclosed in the embodiment of the present invention；
Fig. 2 is a kind of schematic flow sheet of iris vivo identification method disclosed in the embodiment of the present invention；
Fig. 3 is the schematic flow sheet of another iris vivo identification method disclosed in the embodiment of the present invention；
Fig. 4 is the schematic flow sheet of another iris vivo identification method disclosed in the embodiment of the present invention；
Fig. 5 is the schematic flow sheet of another iris vivo identification method disclosed in the embodiment of the present invention；
Fig. 6 is the structural representation of another mobile terminal disclosed in the embodiment of the present invention；
Fig. 7 is the structural representation of another mobile terminal disclosed in the embodiment of the present invention；
Fig. 8 is the structural representation of another mobile terminal disclosed in the embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Term " first ", " second " in description and claims of this specification and above-mentioned accompanying drawing etc. are to be used to distinguish
Different objects, rather than for describing particular order.In addition, term " comprising " and " having " and their any deformations, it is intended that
It is to cover non-exclusive include.Such as process, method, system, product or the equipment for containing series of steps or unit do not have
The step of being defined in the step of having listed or unit, but alternatively also including not listing or unit, or alternatively also wrap
Include for other intrinsic steps of these processes, method, product or equipment or unit.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can wrap in conjunction with the embodiments
In at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Mobile terminal involved by the embodiment of the present invention can include the various handheld devices with radio communication function,
Mobile unit, wearable device, computing device or other processing equipments for being connected to radio modem, and various forms
User equipment (User Equipment, UE), mobile station (Mobile Station, MS), terminal device (terminal
Device) etc..For convenience of description, apparatus mentioned above is referred to as mobile terminal.
The embodiment of the present invention is described in detail below.
In order to be better understood from the embodiment of the present invention, the operation principle of the iris recognition in the embodiment of the present invention is entered first
Row is introduced.Fig. 1 a are referred to, Fig. 1 a are the operation principle schematic diagrams of iris recognition disclosed in the embodiment of the present invention.Rainbow in Fig. 1 a
Film identification is applied to mobile terminal, and mobile terminal is by taking mobile phone as an example.As shown in Figure 1a, iris camera 110, front camera
120 and display screen 130 be arranged at the front of mobile phone 10, wherein, iris camera 110 is used to gather iris image (iris
Image can be black and white iris image, when iris camera 110 works, can carry out light filling by preposition infrared flashlight), it is preceding
Camera 120 is put to be used to gather user images.AP140 is used to user images be identified to confirm that iris camera 110 is adopted
Whether the iris image integrated is as living body iris image, if it is confirmed that be iris image, application processor (Application
Processor, AP) 140 it is used to handle iris image and verify the iris image after processing on backstage, when testing
After card passes through, that is, think to verify by iris recognition.Wherein, AP140 directly can not be immediately seen in appearance from mobile phone 10, therefore be schemed
It is indicated in 1a with dotted line.
Fig. 1 b are referred to, Fig. 1 b are a kind of structural representations of mobile terminal disclosed in the embodiment of the present invention, such as Fig. 1 b institutes
Show, the mobile terminal 100 include application processor (Application Processor, AP) 101, iris camera 102 and
Front camera 103, wherein, AP101 connects iris camera 102 and front camera 103 by bus 104.
AP101, for when mobile terminal 100 receive iris capturing instruction when, to iris camera 102 and preposition shooting
First 103 send control instruction.
Iris camera 102, for responding above-mentioned control instruction collection iris image.
Front camera 103, the first user images are gathered for responding above-mentioned control instruction.
Mobile terminal 100 can be received based on input operation of the user on touching display screen and iris caused by triggering is adopted
Collection instruction.For example, when application scenarios are unlocking screen scene, can on touching display screen after touching display screen is lit
Prompting frame is selected with ejection, for guiding user to select one kind in " iris recognition ", " fingerprint recognition " and " recognition of face ".When
When user clicks on " iris recognition " in selection prompting frame, you can triggering produces iris capturing instruction.Mobile terminal 100 can also
Triggering produces iris capturing instruction when detecting that user picks up mobile terminal 100.For example, application scenarios are unlocking screen
During scene, when the attitude transducer of mobile terminal 100 is (for example, gravity sensor, three-axis gyroscope, 3-axis acceleration sensor
Deng) detecting that user has the action for lifting mobile terminal 100, you can triggering mobile terminal 100 produces iris capturing instruction.
AP101, it is additionally operable to identify in the first user images whether comprising default live body image, and for identifying first
When in user images comprising default live body image, it is living body iris image to determine iris image.
Wherein, facial image, arm image, neck subgraph etc. can be included for showing user for work by presetting live body image
The human organ image of people.Here user's human organ image is not organ image of internal structure, but in front camera
User's human organ image of 103 angle photographs.
Illustrate that AP101 whether how is identified in the first user images comprising default live body figure below with Fig. 1 c and Fig. 1 d
As.Fig. 1 c are the user images schematic diagrames that a kind of front camera 103 disclosed in the embodiment of the present invention gathers, and Fig. 1 d are this hairs
The user images schematic diagram that another front camera 103 disclosed in bright embodiment gathers.As illustrated in figure 1 c, front camera
The image of people's eye portion can not only be included in first user images of 103 collections, whole facial image, arm can also be included
Image, neck subgraph etc..As shown in Figure 1 d, people's eye is only included in the first user images that front camera 103 gathers
The image divided.
After AP101 obtains the first user images that front camera 103 gathers, AP101 can be to the first user images
Image enhancement processing and denoising (such as Gauss denoising) are carried out, then in the first user images after extraction process
Characteristics of image, characteristics of image can be the shape of the first user images, the variously-shaped area ratio of the first user images,
Annexation between variously-shaped etc..The shape of first user images is abstract shape, is not on stricti jurise
Standard shape, be possible within the specific limits with the error of standard shape.Can be in the range of above-mentioned first 30% or
40%.
If the object that front camera 103 is shot is live body people, front camera 103 is likely to photograph use
The human organs such as the neck arm at family, the characteristics of image in the first user images may include circular (face), length-width ratio compared with
The rectangle (neck) of big rectangle (arm), length-width ratio close to 1 etc..If the object that front camera 103 is shot is non-live
Body, the picture for example, forged, now, the first user images that front camera 103 collects are usually human eye photo, and first
Characteristics of image in user images is only possible to include oval (human eye).
Optionally, presetting live body image includes：One or more groups in neck subgraph, arm image, upper part of the body image
Close.
The scene of application of the embodiment of the present invention is vivo identification scene of the user when carrying out iris recognition.In the scene
In, when user's hand-held mobile terminal (such as mobile phone) carries out iris recognition, front camera 103 photographs the first user of user
Image.When carrying out iris recognition due to user, user is usually both hands or is hold by one hand mobile terminal, and user people stares at
Iris camera 102, iris camera 102 gather iris image, and at the same time front camera 103 then gathers the first user figure
Picture, the first user images can include user's facial image, arm image, neck subgraph etc..Illegal molecule in false iris,
In order to ensure the accuracy of iris recognition, the high definition human eye photo that illegal molecule often steals mobile phone owner carries out iris recognition,
Now, the first user images that front camera 103 collects are usually human eye photo, can not collect the whole face figure of user
Picture, arm image, neck subgraph et al. body organic image.
Optionally, AP101, it is additionally operable to, when not including default live body image in the first user images, determine iris image
For non-living body iris image.
Optionally, AP101, it is additionally operable to, when not including default live body image in the first user images, the first user be schemed
As being uploaded to cloud server.
In the embodiment of the present invention, when not including default live body image in the first user images, show front camera 103
First user images of collection are probably image manipulation, and now, the first user images are uploaded to cloud server by AP101,
With the owner of prompting mobile terminal.The embodiment of the present invention can be protected in time when finding to have forgery non-living body to carry out iris recognition
Evidence is stayed, subsequently to carry out right-safeguarding.
Optionally, AP101, it is additionally operable to, when not including default live body image in the first user images, export prompt message,
Prompt message is used to prompt user to convert shooting angle.
Front camera 103, it is additionally operable to gather second user image.
AP101, whether it is additionally operable to identify in second user image comprising default live body image.
AP101, it is additionally operable to when in second user image comprising default live body image, it is living body iris to determine iris image
Image.
Optionally, AP101, it is additionally operable to, when not including default live body image in second user image, determine iris image
For non-living body iris image.
In the embodiment of the present invention, when not including default live body image in the first user images, it may be possible to preposition shooting
First 103 angle is not right, therefore AP101 can export prompt message, and prompt message is used to prompt user to convert shooting angle.Prompting
Information can be voice messaging or text information.For example, AP101 can send voice prompt by loudspeaker, to carry
Show that user adjusts shooting angle, AP101 can also show text information by display screen, to prompt user to adjust shooting angle.
For the embodiment of the present invention after user adjusts shooting angle, AP101 control front cameras 103 gather second user image, continue
Second user image is identified, when recognizing in second user image comprising default live body image, determines iris image
For living body iris image.Implement the embodiment of the present invention, can prevent that erroneous judgement is due to front camera shooting angle
The situation of non-living body, improve the degree of accuracy of vivo identification.
Optionally, front camera 103, it is additionally operable to, when not including default live body image in the first user images, turn down
The 3rd user images are gathered after focal length.
AP101, whether it is additionally operable to identify in the 3rd user images comprising default live body image.
AP101, it is additionally operable to when in the 3rd user images comprising default live body image, it is living body iris to determine iris image
Image.
Optionally, AP101, it is additionally operable to, when not including default live body image in the 3rd user images, determine iris image
For non-living body iris image.
In the embodiment of the present invention, when not including default live body image in the first user images, it may be possible to preposition shooting
First 103 focal length is adjusted not right, and AP101 control front cameras 103 gather the 3rd user images after turning focal length down, so that preposition
Camera 103 obtains bigger visual angle, it is easier to photographs other body parts such as neck, arm of user.The present invention is implemented
For example after user adjusts shooting angle, AP101 control front cameras 103 gather the 3rd user images, continue to the 3rd user
Image is identified, and when recognizing in the 3rd user images comprising default live body image, it is living body iris to determine iris image
Image.Implement the embodiment of the present invention, can prevent because front camera focal length process causes the situation that erroneous judgement is non-living body,
Improve the degree of accuracy of vivo identification.
Optionally, AP101, before whether being additionally operable to identify in the first user images comprising default live body image, identification the
Whether facial image is included in one user images.
AP101, it is additionally operable to when including facial image in the first user images, identifies whether included in the first user images
Default live body image.
AP101, it is additionally operable to when in the first user images comprising default live body image, judge face in the first user images
Whether the ratio of the area of image and the area of default live body image is located at default ratio range.
AP101, it is additionally operable to when the ratio of the area of facial image and the area of default live body image in the first user images
During positioned at default ratio range, it is living body iris image to determine iris image.
AP101, it is additionally operable to when not including facial image in the first user images, it is non-living body iris to determine iris image
Image.
In the embodiment of the present invention, AP101 is by identifying in the first user images whether include facial image and default live body
Image, it can be any of neck subgraph, arm image, upper part of the body image to preset live body image.For example, if default live
Body image is neck subgraph, then it is 2 that can set default ratio range:1~5:Between 1；If default live body image is arm
Image, then it is 1 that can set default ratio range:1~4:Between 1；, can be with if default live body image is upper part of the body image
It is 1 to set default ratio range:1~1:Between 4.In the case of iris recognition is carried out using eye image, the present invention is implemented
Example can be by identifying in the first user images whether include facial image directly to determine whether live body.It is real to implement the present invention
Apply example, can also by judge the area of the area of facial image and default live body image in the first user images ratio whether
The logical degree of accuracy forged live body, can further improve vivo identification of disabled user is prevented positioned at default ratio range.
Implement the mobile terminal shown in Fig. 1 b, the first user images that can be collected by judging front camera 103
Whether default live body image is included to judge whether the iris image of iris shooting collection is living body iris image, and vivo identification is calculated
Whether method is simple, can be live body with quick detection iris, improve the security of iris recognition.
Referring to Fig. 2, Fig. 2 is a kind of schematic flow sheet of iris vivo identification method disclosed in the embodiment of the present invention.Should
Method is applied to the mobile terminal for including iris camera, front camera and application processor AP, as shown in Fig. 2 the party
Method comprises the following steps.
201, mobile terminal gathers iris image by iris camera, and gathering the first user by front camera schemes
Picture.
Before step 201 is performed, mobile terminal can receive iris capturing instruction.The iris capturing instruction can by with
Family is triggered, and can also be triggered by the attitude transducer of mobile terminal.Wherein, the step of iris camera collection iris image is with before
Putting the step of camera gathers the first user images can be carried out simultaneously, to ensure iris image with the first user images to be same
The image of individual user, it can prevent disabled user from first using iris camera shooting false iris picture, then being taken the photograph using preposition
As head shooting user images, so as to improve the security of iris recognition.
202, whether mobile terminal is identified in the first user images comprising default live body image.If so, step 203 is performed,
If it is not, perform step 204.
Optionally, presetting live body image includes：One or more groups in neck subgraph, arm image, upper part of the body image
Close.
203, mobile terminal determines that iris image is living body iris image.
204, mobile terminal determines that iris image is non-living body iris image.
The embodiment of step in Fig. 2 specifically may refer to the device embodiment shown in Fig. 1 b, and here is omitted.
Implement the method shown in Fig. 2, can be by judging whether the first user images that front camera collects include
Default live body image images whether the iris image gathered is living body iris image to judge iris, and vivo identification algorithm is simple,
Whether can be live body with quick detection iris, improve the security of iris recognition.
Referring to Fig. 3, Fig. 3 is the schematic flow sheet of another iris vivo identification method disclosed in the embodiment of the present invention.
This method is applied to the mobile terminal for including iris camera, front camera, preposition flash lamp and application processor AP, should
Method comprises the following steps.
301, mobile terminal gathers iris image by iris camera, and gathering the first user by front camera schemes
Picture.
302, whether mobile terminal is identified in the first user images comprising default live body image.If so, step 303 is performed,
If it is not, perform step 304.
303, mobile terminal determines that iris image is living body iris image.
304, mobile terminal output prompt message, prompt message is used to prompt user to convert shooting angle.
305, mobile terminal gathers second user image by front camera；
306, whether mobile terminal is identified in second user image comprising default live body image.If so, step 303 is performed,
If it is not, perform step 307.
307, mobile terminal determines that iris image is non-living body iris image.
The embodiment of step in Fig. 3 specifically may refer to the device embodiment shown in Fig. 1 b, and here is omitted.
Method shown in implementing Fig. 3, can be by judging whether the first user images that front camera collects include
Default live body image images whether the iris image gathered is living body iris image to judge iris, and vivo identification algorithm is simple,
Whether can be live body with quick detection iris, improve the security of iris recognition.Further, this method be also prevented from due to
The erroneous judgement of the reason for front camera shooting angle is the situation of non-living body, improves the degree of accuracy of vivo identification.
Referring to Fig. 4, Fig. 4 is the schematic flow sheet of another iris vivo identification method disclosed in the embodiment of the present invention.
This method is applied to the mobile terminal for including iris camera, front camera and application processor AP, and this method is included such as
Lower step.
401, mobile terminal gathers iris image by iris camera, and gathering the first user by front camera schemes
Picture.
402, whether mobile terminal is identified in the first user images comprising default live body image.If so, step 403 is performed,
If it is not, perform step 404.
403, mobile terminal determines that iris image is living body iris image.
404, mobile terminal control front camera gathers the 3rd user images after turning focal length down.
405, whether mobile terminal is identified in the 3rd user images comprising default live body image.If so, step 403 is performed,
If it is not, perform step 406.
406, mobile terminal determines that iris image is non-living body iris image.
The embodiment of step in Fig. 4 specifically may refer to the device embodiment shown in Fig. 1 b, and here is omitted.
Implement the method shown in Fig. 4, can be by judging whether the first user images that front camera collects include
Default live body image images whether the iris image gathered is living body iris image to judge iris, and vivo identification algorithm is simple,
Whether can be live body with quick detection iris, improve the security of iris recognition.Further, this method be also prevented from due to
Front camera focal length process causes the situation that erroneous judgement is non-living body, improves the degree of accuracy of vivo identification.
Referring to Fig. 5, Fig. 5 is the schematic flow sheet of another iris vivo identification method disclosed in the embodiment of the present invention.
This method is applied to the mobile terminal for including iris camera, front camera and application processor AP, and this method is included such as
Lower step.
501, mobile terminal gathers iris image by iris camera, and gathering the first user by front camera schemes
Picture.
502, mobile terminal identifies in the first user images whether include facial image.If so, step 503 is then performed, if
It is no, perform step 506
503, whether mobile terminal is identified in the first user images comprising default live body image.If so, step 504 is performed,
If it is not, perform step 506.
Optionally, presetting live body image includes：One or more groups in neck subgraph, arm image, upper part of the body image
Close.
504, mobile terminal judges the ratio of the area of facial image and the area of default live body image in the first user images
Whether value is positioned at default ratio range.If so, step 505 is performed, if it is not, performing step 506.
505, mobile terminal determines that iris image is living body iris image.
506, mobile terminal determines that iris image is non-living body iris image.
The embodiment of step in Fig. 5 specifically may refer to the device embodiment shown in Fig. 1 b, and here is omitted.
Implement the method shown in Fig. 5, can be by judging whether the first user images that front camera collects include
Default live body image images whether the iris image gathered is living body iris image to judge iris, and vivo identification algorithm is simple,
Whether can be live body with quick detection iris, improve the security of iris recognition.The embodiment of the present invention can also be by judging
Whether the ratio of the area of facial image and the area of default live body image is located at default ratio range to prevent in one user images
The only logical degree of accuracy forged live body, can further improve vivo identification of disabled user.
Referring to Fig. 6, Fig. 6 is the structural representation of another mobile terminal disclosed in the embodiment of the present invention.The movement is whole
End 600 includes iris camera 601, front camera 602, application processor AP603 and memory 604, iris camera
601st, front camera 602, application processor AP603 and memory 604 can be connected by communication bus 606, memory
606 are used to store one or more programs, and one or more programs are configured to be performed by AP604, and program includes being used to perform
Part or all of method and step in above-mentioned Fig. 2 to Fig. 5.
Implement the mobile terminal shown in Fig. 6, can be by judging the first user images that front camera collects are whether
Judge whether the iris image of iris shooting collection is living body iris image comprising default live body image, vivo identification algorithm is simple
It is single, whether can be live body with quick detection iris, improve the security of iris recognition.
Referring to Fig. 7, Fig. 7 is the structural representation of another mobile terminal disclosed in the embodiment of the present invention.The movement is whole
End 700 includes collecting unit 701, recognition unit 702 and determining unit 703, wherein：
Collecting unit 701, for gathering iris image by iris camera, the first user is gathered by front camera
Image.
Recognition unit 702, for whether identifying in the first user images comprising default live body image.
Determining unit 703, for when recognition unit 702 is identified in the first user images comprising default live body image, really
It is living body iris image to determine iris image.
The implementation of the mobile terminal may refer to the embodiment of the method shown in Fig. 2-5, repeats part and repeats no more.
Implement the mobile terminal shown in Fig. 7, can be by judging the first user images that front camera collects are whether
Judge whether the iris image of iris shooting collection is living body iris image comprising default live body image, vivo identification algorithm is simple
It is single, whether can be live body with quick detection iris, improve the security of iris recognition.
The embodiment of the present invention additionally provides another mobile terminal, as shown in figure 8, for convenience of description, illustrate only with
The related part of the embodiment of the present invention, particular technique details do not disclose, refer to present invention method part.The movement
Terminal can be to include mobile phone, tablet personal computer, PDA (Personal Digital Assistant, personal digital assistant), POS
Any terminal device such as (Point of Sales, point-of-sale terminal), vehicle-mounted computer, so that mobile terminal is mobile phone as an example：
Fig. 8 is illustrated that the block diagram of the part-structure of the mobile phone related to mobile terminal provided in an embodiment of the present invention.Ginseng
Fig. 8 is examined, mobile phone includes：Radio frequency (Radio Frequency, RF) circuit 910, memory 920, input block 930, display unit
940th, sensor 950, voicefrequency circuit 960, Wireless Fidelity (Wireless Fidelity, WiFi) module 970, processor 980,
And the grade part of power supply 990.It will be understood by those skilled in the art that the handset structure shown in Fig. 8 is not formed to mobile phone
Limit, can include than illustrating more or less parts, either combine some parts or different parts arrangement.
Each component parts of mobile phone is specifically introduced with reference to Fig. 8：
RF circuits 910 can be used for the reception and transmission of information.Generally, RF circuits 910 include but is not limited to antenna, at least one
Individual amplifier, transceiver, coupler, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..In addition,
RF circuits 910 can also be communicated by radio communication with network and other equipment.Above-mentioned radio communication can use any communication
Standard or agreement, including but not limited to global system for mobile communications (Global System of Mobile
Communication, GSM), general packet radio service (General Packet Radio Service, GPRS), code division it is more
Location (Code Division Multiple Access, CDMA), WCDMA (Wideband Code Division
Multiple Access, WCDMA), Long Term Evolution (Long Term Evolution, LTE), Email, Short Message Service
(Short Messaging Service, SMS) etc..
Memory 920 can be used for storage software program and module, and processor 980 is stored in memory 920 by operation
Software program and module, so as to perform the various function application of mobile phone and data processing.Memory 920 can mainly include
Storing program area and storage data field, wherein, storing program area can storage program area, the application journey needed at least one function
Sequence etc.；Storage data field can store uses created data etc. according to mobile phone.In addition, memory 920 can be included at a high speed
Random access memory, can also include nonvolatile memory, a for example, at least disk memory, flush memory device or
Other volatile solid-state parts.
Input block 930 can be used for the numeral or character information for receiving input, and produce with the user of mobile phone set with
And the key signals input that function control is relevant.Specifically, input block 930 may include fingerprint recognition module 931, touching display screen
932 and other input equipments 933.Fingerprint recognition module 931, user can be gathered in finger print data thereon.Except fingerprint is known
Other module 931, input block 930 can also include other input equipments 932.Specifically, other input equipments 932 can include
But it is not limited to touch screen, physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operation
One or more in bar etc..
Display unit 940 can be used for display by user input information or be supplied to user information and mobile phone it is various
Menu.Display unit 940 may include display screen 941, optionally, can use liquid crystal display (Liquid Crystal
Display, LCD), the form such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) it is aobvious to configure
Display screen 941.Although in fig. 8, fingerprint recognition module 931 and display screen 941 are the parts independent as two to realize mobile phone
Input and input function, it is but in some embodiments it is possible to fingerprint recognition module 931 and display screen 941 is integrated and real
The input of existing mobile phone and playing function.
Mobile phone may also include at least one sensor 950, for example, optical sensor 951, motion sensor 952 and other
Sensor.Specifically, optical sensor 951 may include ambient light sensor and proximity transducer, wherein, ambient light sensor can
The brightness of display screen 941 is adjusted according to the light and shade of ambient light, proximity transducer can be closed aobvious when mobile phone is moved in one's ear
Display screen 941 and/or backlight.As one kind of motion sensor 952, accelerometer sensor can detect in all directions (generally
Three axles) acceleration size, size and the direction of gravity are can detect that when static, available for identification mobile phone posture application (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；Extremely
The other sensors such as the gyroscope that can also configure in mobile phone, barometer, hygrometer, thermometer, infrared ray sensor, herein no longer
Repeat.
Voicefrequency circuit 960, loudspeaker 961, microphone 962 can provide the COBBAIF between user and mobile phone.Audio-frequency electric
Electric signal after the voice data received conversion can be transferred to loudspeaker 961, sound is converted to by loudspeaker 961 by road 960
Signal plays；On the other hand, the voice signal of collection is converted to electric signal by microphone 962, is turned after being received by voicefrequency circuit 960
Voice data is changed to, then after voice data playback process device 980 is handled, through RF circuits 910 to be sent to such as another mobile phone,
Or voice data is played to memory 920 further to handle.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronicses postal by WiFi module 970
Part, browse webpage and access streaming video etc., it has provided the user wireless broadband internet and accessed.Although Fig. 8 is shown
WiFi module 970, but it is understood that, it is simultaneously not belonging to must be configured into for mobile phone, can not change as needed completely
Become in the essential scope of invention and omit.
Processor 980 is the control centre of mobile phone, using various interfaces and the various pieces of connection whole mobile phone, is led to
Cross operation or perform the software program and/or module being stored in memory 920, and call and be stored in memory 920
Data, the various functions and processing data of mobile phone are performed, so as to carry out integral monitoring to mobile phone.Optionally, processor 980 can wrap
Include one or more processing units；Preferably, processor 980 can integrate application processor and modem processor, wherein, should
Operating system, user interface and application program etc. are mainly handled with processor, modem processor mainly handles radio communication.
It is understood that above-mentioned modem processor can not also be integrated into processor 980.
Mobile phone also includes the power supply 990 (such as battery) to all parts power supply, it is preferred that power supply can pass through power supply pipe
Reason system and processor 980 are logically contiguous, so as to realize management charging, electric discharge and power managed by power-supply management system
Etc. function.
Mobile phone also includes camera 9100, and camera 9100 can include front camera, iris camera and rearmounted take the photograph
Picture head,
Although being not shown, mobile phone can also include bluetooth module, flash lamp etc., flash lamp can include preposition flash lamp and
Rearmounted flash lamp, preposition flash lamp can be that front camera carries out light filling, and rearmounted flash lamp can be that rear camera is carried out
Light filling.Preposition flash lamp can include preposition visible ray flash lamp and preposition infrared flashlight, and preposition visible ray flash lamp is used for
Light filling is carried out for front camera, preposition infrared flashlight is used to carry out light filling for iris camera.
The embodiment of the present invention also provides a kind of computer-readable storage medium, wherein, the computer-readable storage medium is stored for electricity
The computer program that subdata exchanges, it is any as described in above-mentioned embodiment of the method that the computer program make it that computer performs
A kind of part or all of step of iris vivo identification method.
The embodiment of the present invention also provides a kind of computer program product, and the computer program product includes storing calculating
The non-transient computer-readable recording medium of machine program, the computer program are operable to make computer perform side as described above
The part or all of step of any iris vivo identification method described in method embodiment.
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some steps can use other orders or carry out simultaneously.Secondly, those skilled in the art should also know
Know, embodiment described in this description belongs to preferred embodiment, and involved action and module are not necessarily of the invention
It is necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed device, can be by another way
Realize.For example, device embodiment described above is only schematical, such as the division of the unit, it is only one kind
Division of logic function, can there is an other dividing mode when actually realizing, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.Another, shown or discussed is mutual
Coupling direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit,
Can be electrical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer-readable access to memory.Based on such understanding, technical scheme substantially or
Person say the part to be contributed to prior art or the technical scheme all or part can in the form of software product body
Reveal and, the computer software product is stored in a memory, including some instructions are causing a computer equipment
(can be personal computer, server or network equipment etc.) performs all or part of each embodiment methods described of the present invention
Step.And foregoing memory includes：USB flash disk, read-only storage (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with the medium of store program codes.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
To instruct the hardware of correlation to complete by program, the program can be stored in a computer-readable memory, memory
It can include：Flash disk, read-only storage (English：Read-Only Memory, referred to as：ROM), random access device (English：
Random Access Memory, referred to as：RAM), disk or CD etc..
The embodiment of the present invention is described in detail above, specific case used herein to the principle of the present invention and
Embodiment is set forth, and the explanation of above example is only intended to help the method and its core concept for understanding the present invention；
Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, can in specific embodiments and applications
There is change part, in summary, this specification content should not be construed as limiting the invention.
Claims (13)
- A kind of 1. iris vivo identification method, it is characterised in that including：Iris image is gathered by iris camera；First user images are gathered by front camera；Whether identify in first user images comprising default live body image；If including the default live body image in first user images, it is living body iris image to determine the iris image.
- 2. according to the method for claim 1, it is characterised in that methods described also includes：If not including the default live body image in first user images, prompt message is exported, the prompt message is used for User is prompted to convert shooting angle；Second user image is gathered by the front camera；Identify in the second user image and whether include the default live body image；If including the default live body image in the second user image, it is living body iris image to determine the iris image.
- 3. according to the method for claim 1, it is characterised in that methods described also includes：If not including the default live body image in first user images, adopted after turning focal length down by the front camera Collect the 3rd user images；Identify in the 3rd user images and whether include the default live body image；If including the default live body image in the 3rd user images, it is living body iris image to determine the iris image.
- 4. according to the method described in claim any one of 1-3, it is characterised in that the default live body image includes：Neck subgraph One or more combinations in picture, arm image, upper part of the body image.
- 5. according to the method for claim 4, it is characterised in that whether comprising pre- in identification first user images If before live body image, methods described also includes：Identify in first user images and whether include facial image；If including facial image in first user images, whether perform in identification first user images comprising pre- If the step of live body image；After whether including default live body image in identification first user images, methods described also includes：If including the default live body image in first user images, face figure described in first user images is judged Whether the ratio of the area of picture and the area of the default live body image is located at default ratio range；If the ratio of the area of facial image described in first user images and the area of the default live body image is located at The default ratio range, it is living body iris image to determine the iris image.
- A kind of 6. mobile terminal, it is characterised in that including iris camera, front camera and application processor AP, wherein：The iris camera, for gathering iris image；The front camera, for gathering the first user images；The AP, it is whether described comprising default live body image, and for identifying in first user images for identifying When the default live body image is included in the first user images, it is living body iris image to determine the iris image.
- 7. mobile terminal according to claim 6, it is characterised in thatThe AP, it is additionally operable to when not including the default live body image in first user images, exports prompt message, institute Prompt message is stated to be used to prompt user to convert shooting angle；The front camera, it is additionally operable to gather second user image；The AP, it is additionally operable to identify in the second user image whether include the default live body image；The AP, it is additionally operable to, when including the default live body image in the second user image, determine the iris image For living body iris image.
- 8. mobile terminal according to claim 6, it is characterised in thatThe front camera, it is additionally operable to, when not including the default live body image in first user images, turn Jiao down Away from the 3rd user images of rear collection；The AP, it is additionally operable to identify in the 3rd user images whether include the default live body image；The AP, it is additionally operable to, when including the default live body image in the 3rd user images, determine the iris image For living body iris image.
- 9. according to the mobile terminal described in claim any one of 6-8, it is characterised in that the default live body image includes：Neck One or more combinations in subgraph, arm image, upper part of the body image.
- 10. mobile terminal according to claim 9, it is characterised in thatThe AP, before whether being additionally operable to identify in first user images comprising default live body image, identification described first Whether facial image is included in user images；The AP, it is additionally operable to when including facial image in first user images, identifying in first user images is It is no to include default live body image；The AP, it is additionally operable to, when including the default live body image in first user images, judge first user Whether the ratio of the area of facial image described in image and the area of the default live body image is located at default ratio range；The AP, it is additionally operable to the face for working as the area of facial image and the default live body image described in first user images When long-pending ratio is located at the default ratio range, it is living body iris image to determine the iris image.
- A kind of 11. mobile terminal, it is characterised in that including collecting unit, recognition unit and determining unit, wherein：The collecting unit, for gathering iris image by iris camera, the first user is gathered by front camera and schemed Picture；The recognition unit, for whether identifying in first user images comprising default live body image；The determining unit, for when the recognition unit identify the first user images in include the default live body image when, It is living body iris image to determine the iris image.
- 12. a kind of mobile terminal, it is characterised in that including iris camera, front camera, application processor AP and storage Device, the memory are used to store one or more programs, and one or more of programs are configured to be performed by the AP, institute Stating program includes being used to perform the method as described in claim any one of 1-5.
- 13. a kind of computer-readable recording medium, it is characterised in that the computer-readable recording medium is used to store electron number According to the computer program of exchange, wherein, the computer program causes computer to perform as described in claim any one of 1-5 Method.
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| CN201710581761.4A CN107437070A (en) | 2017-07-17 | 2017-07-17 | Iris vivo identification method and Related product |
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