CN107508965A - Image-pickup method and Related product - Google Patents
Image-pickup method and Related product Download PDFInfo
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- CN107508965A CN107508965A CN201710595714.5A CN201710595714A CN107508965A CN 107508965 A CN107508965 A CN 107508965A CN 201710595714 A CN201710595714 A CN 201710595714A CN 107508965 A CN107508965 A CN 107508965A
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- China
- Prior art keywords
- image
- biometric image
- mobile terminal
- presupposed information
- display screen
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0267—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components
- H04W52/027—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components by controlling a display operation or backlight unit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the invention discloses a kind of image-pickup method and Related product, including：Obtain presupposed information；The brightness of display screen is adjusted according to the presupposed information；First biometric image is gathered by biological image acquisition device.The embodiment of the present invention is advantageous to save the hardware spending of mobile terminal, reduces the power consumption of mobile terminal.
Description
Technical field
The present invention relates to technical field of mobile terminals, and in particular to a kind of image-pickup method and Related product.
Background technology
With a large amount of popularization and applications of smart mobile phone, the application that smart mobile phone can be supported is more and more, and function is increasingly
Powerful, smart mobile phone develops towards variation, personalized direction, turns into indispensable appliance and electronic in user's life.
At present, smart mobile phone is unlocked using biological information unblock scheme, such as unlocked by fingerprint, face more, iris unblock etc.,
Wherein, the requirement of iris unblock and face unblock to environmental light intensity is higher, when ambient light is stronger, is adapted to face unblock, works as ring
When border light is weaker, it is adapted to iris unblock.
The content of the invention
The embodiments of the invention provide a kind of image-pickup method and Related product, is opened to save the hardware of mobile terminal
Pin, reduce the power consumption of mobile terminal.
In a first aspect, a kind of mobile terminal of offer of the embodiment of the present invention, including biological image acquisition device, display screen, its
In,
The display screen, to adjust brightness according to presupposed information；
The biological image acquisition device, to gather the first biometric image.
Second aspect, the embodiment of the present invention provide a kind of image-pickup method, including：
Obtain presupposed information；
The brightness of display screen is adjusted according to the presupposed information；
First biometric image is gathered by biological image acquisition device.
The third aspect, the embodiment of the present invention provide a kind of mobile terminal, including processing unit and collecting unit,
The processing unit is used to obtain presupposed information；And for adjusting the bright of display screen according to the presupposed information
Degree；And for gathering the first biometric image by the collecting unit.
Fourth aspect, the embodiment of the present invention provide a kind of mobile terminal, including processor, memory, communication interface and
One or more programs, wherein, said one or multiple programs are stored in above-mentioned memory, and are configured by above-mentioned
Manage device to perform, said procedure includes being used for the instruction for performing the step in second aspect either method of the embodiment of the present invention.
5th aspect, the embodiments of the invention provide a kind of computer-readable recording medium, wherein, above computer is readable
Storage medium stores the computer program for electronic data interchange, wherein, above computer program causes computer to perform such as
Part or all of step described in second aspect either method of the embodiment of the present invention, above computer include mobile terminal.
6th aspect, the embodiments of the invention provide a kind of computer program product, wherein, above computer program product
Non-transient computer-readable recording medium including storing computer program, above computer program are operable to make calculating
Machine is performed such as the part or all of step described in second aspect either method of the embodiment of the present invention.The computer program product
Can be a software installation bag, above computer includes mobile terminal.
As can be seen that in the embodiment of the present invention, mobile terminal obtains presupposed information first；Secondly according to the presupposed information
Adjust the brightness of display screen；Finally, the first biometric image is gathered by biological image acquisition device.It can be seen that mobile terminal according to
Presupposed information adjusts the brightness of display screen, and carrying out light filling by the brightness of display screen obtains first biometric image, rather than
Using extra hardware such as light compensating lamp, flash lamp etc., be advantageous to save the hardware consumption of mobile terminal, and according to presupposed information
The brightness of display screen is adjusted, rather than makes the brightness constancy of display screen, the brightness of display screen is reduced when not needing high brightness, is had
Beneficial to the power consumption for reducing mobile terminal.
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 is a kind of structural representation of mobile terminal provided in an embodiment of the present invention；
Fig. 2A is a kind of schematic flow sheet of image-pickup method disclosed in the embodiment of the present invention；
Fig. 2 B are a kind of acquisition example figures of the iris information of mobile terminal disclosed in the embodiment of the present invention；
Fig. 2 C are the acquisition example figures of the iris information of another mobile terminal disclosed in the embodiment of the present invention；
Fig. 3 is the schematic flow sheet of another image-pickup method disclosed in the embodiment of the present invention；
Fig. 4 is the schematic flow sheet of another image-pickup method disclosed in the embodiment of the present invention；
Fig. 5 is a kind of structural representation of mobile terminal disclosed in the embodiment of the present invention；
Fig. 6 is a kind of functional unit composition block diagram of 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.
Mobile terminal described by the embodiment of the present invention is provided with biological image acquisition device, the biological image acquisition device
Iris image acquiring device and human face image collecting device are specifically included, wherein, iris image acquiring device can include infrared
Light source and iris camera, human face image collecting device can be universal camera shooting head mould groups, such as front camera.Below to this hair
Bright embodiment describes in detail.
Referring to Fig. 1, Fig. 1 is that the embodiments of the invention provide a kind of structural representation of mobile terminal 100, above-mentioned movement
Terminal 100 includes：Housing, display screen, mainboard, battery and subplate, be provided with mainboard infrared light supply 21, iris camera 22,
Front camera 23, processor 110, memory 120 and sim card slot etc., oscillator, integral sound chamber, VOOC are provided with subplate and is dodged
Interface is filled, above-mentioned infrared light supply 21 and iris camera 22 form the iris image acquiring device of the mobile terminal 100, before above-mentioned
The human face image collecting device that camera 23 forms the mobile terminal 100 is put, wherein,
The display screen, to adjust brightness according to presupposed information；
The biological image acquisition device, to gather the first biometric image；
Wherein, when biological image acquisition device is iris image acquiring device, infrared light supply 21 is used to launch infrared light
The iris for irradiating user forms reflection light, and iris camera 22 is used to gather reflection light formation iris image.
The processor 110, to the brightness according to the presupposed information regulation display screen got, schemed by the biology
As harvester gathers first biometric image.
Wherein, processor 110 is the control centre of mobile terminal, utilizes various interfaces and the whole mobile terminal of connection
Various pieces, by running or performing the software program and/or module that are stored in memory 120, and call and be stored in
Data in memory 120, the various functions and processing data of mobile terminal are performed, so as to carry out overall prison to mobile terminal
Control.Optionally, processor 110 can integrate application processor and modem processor, wherein, application processor mainly handles behaviour
Make system, user interface and application program etc., modem processor mainly handles radio communication.It is it is understood that above-mentioned
Modem processor can not also be integrated into processor 980.
Wherein, memory 120 can be used for storage software program and module, and processor 110 is stored in storage by operation
The software program and module of device 120, so as to perform the various function application of mobile terminal and data processing.Memory 120
Storing program area and storage data field can mainly be included, wherein, storing program area can storage program area, at least one function institute
Application program needed etc.；Storage data field can store uses created data etc. according to mobile terminal.In addition, memory
120 can include high-speed random access memory, can also include nonvolatile memory, for example, at least a magnetic disk storage
Part, flush memory device or other volatile solid-state parts.
As can be seen that in the embodiment of the present invention, mobile terminal obtains presupposed information first；Secondly according to the presupposed information
Adjust the brightness of display screen；Finally, the first biometric image is gathered by biological image acquisition device.It can be seen that mobile terminal according to
Presupposed information adjusts the brightness of display screen, and carrying out light filling by the brightness of display screen obtains first biometric image, rather than
Using extra hardware such as light compensating lamp, flash lamp etc., be advantageous to save the hardware consumption of mobile terminal, and according to presupposed information
The brightness of display screen is adjusted, rather than makes the brightness constancy of display screen, the brightness of display screen is reduced when not needing high brightness, is had
Beneficial to the power consumption for reducing mobile terminal.
In a possible example, the processor 110 adjusts the brightness of display screen according to the presupposed information got
Before, also to：Second biometric image is gathered by the biological image acquisition device.
Wherein, the biological image acquisition device, to before display screen adjusts brightness according to presupposed information, collection the
Two biometric images.
In a possible example, the presupposed information includes following at least one：Treat unblock event safe class,
The intensity of illumination of ambient light, the distance parameter of facial image.
In a possible example, the processor 110 passes through the biology of biological image acquisition device collection first
After image, also to：Judge pupil area and the pupil area in second biometric image in first biometric image
It is whether identical；And judge the pupil area in first biometric image and the pupil in second biometric image to work as
During hole area difference, it is real user to determine user.
In a possible example, the processor 110 passes through the biology of biological image acquisition device collection first
After image, also to：Matching degree threshold value is determined according to the presupposed information；By first biometric image and the memory
The default biological template of 120 storages is matched；When the matching degree of first biometric image and the default biological template is big
When the matching degree threshold value, unblock operation is performed.
Fig. 2A is referred to, Fig. 2A is that the embodiments of the invention provide a kind of schematic flow sheet of image-pickup method, application
In mobile terminal, as illustrated, this image-pickup method includes：
S201, acquisition for mobile terminal presupposed information；
In a possible example, the presupposed information includes following at least one：Treat unblock event safe class,
The intensity of illumination of ambient light, the distance parameter of facial image.
Wherein, the distance parameter of the facial image is the distance between user's face and display screen parameter.
In a possible example, before the acquisition for mobile terminal presupposed information, methods described also includes：
Detect and treat unblock event；
It is determined that the safe class for treating unblock event.
Wherein, it for example can be that desktop treats unblock event, using treating that unblock event, file treat unblock event to treat unblock event
Deng not limiting herein.Wherein, desktop treats that unblock event refers to treat unblock event, using thing to be unlocked for screen locking desktop
The specific operation that part refers to be directed to application treats unblock event, and such as application starts, using deleting, and file treats that unblock event refers to
Unblock event is treated for file, such as treats unblock event for file destination.
In a possible example, mobile terminal detect treat unblock event trigger condition can be by user touch
The triggering such as operation, pressing operation, voice operating is controlled, such as the mobile terminal for putting out screen holding state, presses power key or Home
Button, which triggers, treats unblock event, and trigger condition is not limited herein.
It can be seen that in this example, mobile terminal can treat that unblock event determines different safe classes to difference, according to safety
Grade realizes Precise control, avoid that user only can be generally for big scene is unified, safety that pattern is single
Property management, be advantageous to improve the fineness of security of mobile terminal management, comprehensive and flexibility.
S202, above-mentioned mobile terminal adjust the brightness of display screen according to the presupposed information；
Wherein, the mobile terminal can adjust the display screen according to one or more information in the presupposed information
Brightness, be not construed as limiting herein.
Wherein, during the brightness of three kind information consolidations regulation display screen of the mobile terminal in presupposed information, presupposed information
In safe class, intensity of illumination, the weight coefficient that distance parameter three influences on brightness of display screen could be arranged to different
Coefficient, the weight coefficient can be set by system to treat that the setting of unblock event is no according to different by mobile terminal
Weight coefficient combines, for example, unblock event A safe class is high, then the weight coefficient of safe class can be set higher, unlocked
Event B safe class is low, then the weight coefficient of intensity of illumination and distance parameter can be set higher, be not construed as limiting herein.
For example, above-mentioned safe class can for example be arranged to high and low two kinds of safe classes, during high safety grade,
The weight coefficient of safe class is higher, and corresponding complex matching strategy and higher matching degree threshold value, it is therefore desirable to
Display screen brightness it is higher, the brightness that can determine display screen first is a brightness range, so can according to distance join
Number and intensity of illumination determine an object brightness in brightness range；During lower security grade, the weight coefficient of safe class is relatively low,
Matching degree threshold value is relatively low relative to high safety grade and matching strategy is relatively simple relative to high safety grade, therefore can basis
Distance parameter and intensity of illumination set the brightness of display screen as the brightness value of an appropriateness, such as make higher bright of face definition
Angle value.
S203, above-mentioned mobile terminal gather the first biometric image by biological image acquisition device.
Wherein, mobile terminal carries out light filling by brightness of display screen to user, passes through biological image acquisition device collection the
One biometric image.
Wherein, the first biometric image information can be the first iris image or can be facial image.
Wherein, when the first biometric image information is the first iris image, first iris image can be used
The iris image of the simple eye iris image in family or user's eyes, is not limited herein.
As can be seen that in the embodiment of the present invention, mobile terminal obtains presupposed information first；Secondly according to the presupposed information
Adjust the brightness of display screen；Finally, the first biometric image is gathered by biological image acquisition device.It can be seen that mobile terminal according to
Presupposed information adjusts the brightness of display screen, and carrying out light filling by the brightness of display screen obtains first biometric image, rather than
Using extra hardware such as light compensating lamp, flash lamp etc., be advantageous to save the hardware consumption of mobile terminal, and according to presupposed information
The brightness of display screen is adjusted, rather than makes the brightness constancy of display screen, the brightness of display screen is reduced when not needing high brightness, is had
Beneficial to the power consumption for reducing mobile terminal.
In a possible example, before the brightness that display screen is adjusted according to the presupposed information, methods described
Also include：
Gather the second biometric image.
Wherein, above-mentioned second biometric image is identical with the biological information type of above-mentioned first biometric image, such as is people
Face image is iris image.
It can be seen that in this example, mobile terminal obtains the second biometric image, with acquisition before the brightness of regulation display screen
Brightness of display screen during first biometric image is different, is advantageous to whether mobile terminal detection user is real user, moreover,
Any extra operation need not be done, lifts the convenience of the biological detection of mobile terminal.
In a possible example, the first biometric image and second biometric image include pupil image, described
After gathering the first biometric image by biological image acquisition device, methods described also includes：
Judge whether pupil area and the pupil area in second biometric image are identical in first biometric image；
When judging the pupil area in the pupil area in first biometric image and second biometric image not
Meanwhile determine that user is real user.
Wherein, because pupil is located at iris center, therefore pupil image is may each comprise in iris image or facial image,
Above-mentioned pupil is a contractile hole in iris, and due to its self-protection to eyes, pupil can be according to ambient light
Line strength adjusts itself size, and when light enhancing pupil diminishes, light weakens pupil and becomes big, for example, bright before above-mentioned regulation
When degree is less than the brightness after regulation, as shown in Figure 2 B, pupil area is smaller, above-mentioned for the pupil image in above-mentioned first biometric image
As shown in Figure 2 C, pupil area is larger for second iris image.
Wherein, when the area change of pupil do not meet light intensity change or pupil area it is unchanged when, it is determined that
User is non-real real user.
It can be seen that in this example, contraction and expansion reaction that mobile terminal changes according to pupil in iris to ambient light, lead to
Cross contrast brightness regulation before and after the first biometric image in pupil area and the second biometric image in pupil area, determine user
For real user, be advantageous to be lifted the security of mobile terminal, add the effect of brightness of display screen change, fully apply aobvious
The brightness of display screen, rather than other additional condition judgment real users are utilized, be advantageous to the convenient of lifting detection real user
Property, and only need to detect the area change of pupil, advantageously reduce the complexity of operation.
It is described after first biometric image of collection by biological image acquisition device in a possible example
Method also includes：
Matching degree threshold value is determined according to the presupposed information；
First biometric image is matched with default biological template；
When the matching degree of first biometric image and the default biological template is more than or equal to the matching degree threshold value
When, perform unblock operation.
Wherein, matching degree threshold value is determined according to presupposed information, can is that the matching degree threshold value of high safety grade is higher than low peace
The matching degree threshold value of congruent level.
Wherein, in another possible embodiment, mobile terminal can also determine above-mentioned first life according to presupposed information
The matching strategy of object image, when safe class is higher, matching strategy is complex, when safe class is relatively low, matching strategy
It is relatively simple, when according to above-mentioned matching strategy by above-mentioned first biometric image and above-mentioned default biological template the match is successful when, hold
Row unblock operation.
Wherein, when first biometric image is iris image, mobile terminal after the first biological information is obtained, for
The iris image performs iris image quality assessment, localization of iris circle (comprising coarse positioning and fine positioning), Iris preprocessing, rainbow
The processing procedures such as film feature point extraction, these characteristic points are matched with the characteristic point in default iris templates.
Wherein, when first biometric image is facial image, mobile terminal, will be upper after the first biological information is obtained
State the first facial image and carry out matching specific implementation with default face template being that mobile terminal carries out facial image
Pretreatment, the characteristic point data of extraction facial image, these characteristic points are matched with the characteristic point in default face template.
Wherein, the specific implementation that mobile terminal performs unblock operation can switch mobile terminal by current state
For released state, wherein, current state includes screen lock state, disabled status etc., does not limit specifically herein.
It can be seen that in this example, mobile terminal determines matching degree threshold value according to presupposed information, is advantageous to lift mobile terminal life
The flexibility of thing matching, security can be further lifted while the security that the match is successful is ensured, can also reduced
Complexity with algorithm.
In a possible example, the default biological template includes following at least one：One or more iris letters
Cease template and one or more face information templates.
Wherein, one or more face information templates can include the face information template of multiple angles, or can wrap
Include the face information template of multiple expressions.
Wherein, iris information template is iris data template, and iris data template refers to the feature of the iris of registered user
Correspondence between the position of point and the characteristic value (characteristic value can be electric capacity, inductance, voltage, electric current, relative value etc.) of specified point
The set of relation.
Wherein, face information template is face data template, and human face data template refers to the feature of the face of registered user
Correspondence between the position of point and the characteristic value (characteristic value can be electric capacity, inductance, voltage, electric current, relative value etc.) of characteristic point
The set of relation.
In a possible example, the brightness of display screen before the regulation is identical with the brightness of display screen after regulation, on
The first biometric image of collection user is stated, including：
Flash lamp is opened, gathers above-mentioned first biometric image of user；
Close above-mentioned flash lamp.
It can be seen that in this example, when the brightness of display screen before regulation is identical with the brightness of display screen after regulation, pass through unlatching
Flash lamp can change the light intensity of irradiation user, and light strengthens suddenly after opening flash lamp, the first biology at this moment obtained
Shrinkage phenomenon should occur in pupil area in image, avoid because before and after adjustment brightness of display screen it is constant can not detect it is true
The situation of user, be advantageous to lift the diversity that the hardware of mobile terminal uses, lift hardware utilization.
It is consistent with the embodiment shown in above-mentioned Fig. 2A, referring to Fig. 3, Fig. 3 is a kind of figure provided in an embodiment of the present invention
As the schematic flow sheet of acquisition method, applied to mobile terminal.As illustrated, this image-pickup method includes：
S301, acquisition for mobile terminal presupposed information.
Wherein, the presupposed information includes following at least one：Treat that the illumination of the safe class, ambient light of unblock event is strong
Degree, the distance parameter of facial image.
S302, above-mentioned mobile terminal adjust the brightness of display screen according to above-mentioned presupposed information.
S303, above-mentioned mobile terminal gather the first biometric image by biological image acquisition device.
S304, above-mentioned mobile terminal determine matching degree threshold value according to above-mentioned presupposed information.
S305, above-mentioned mobile terminal are matched above-mentioned first biometric image with default biological template.
S306, above-mentioned mobile terminal are more than or waited when the matching degree of above-mentioned first biometric image and above-mentioned default biological template
When above-mentioned matching degree threshold value, unblock operation is performed.
Wherein, above-mentioned S301, S302, S303 can refer to the corresponding steps in the embodiment described by Fig. 2A.
As can be seen that in the embodiment of the present invention, mobile terminal obtains presupposed information first；Secondly according to the presupposed information
Adjust the brightness of display screen；Finally, the first biometric image is gathered by biological image acquisition device.It can be seen that mobile terminal according to
Presupposed information adjusts the brightness of display screen, and carrying out light filling by the brightness of display screen obtains first biometric image, rather than
Using extra hardware such as light compensating lamp, flash lamp etc., be advantageous to save the hardware consumption of mobile terminal, and according to presupposed information
The brightness of display screen is adjusted, rather than makes the brightness constancy of display screen, the brightness of display screen is reduced when not needing high brightness, is had
Beneficial to the power consumption for reducing mobile terminal.
In addition, mobile terminal determines matching degree threshold value according to presupposed information, be advantageous to lift mobile terminal Biocompatible
Flexibility, security can be further lifted while the guarantee security that the match is successful, matching algorithm can also be reduced
Complexity.
It is consistent with the embodiment shown in above-mentioned Fig. 2A, referring to Fig. 4, Fig. 4 is a kind of figure provided in an embodiment of the present invention
As the schematic flow sheet of acquisition method, applied to mobile terminal.As illustrated, this image-pickup method includes：
S401, acquisition for mobile terminal presupposed information.
Wherein, the presupposed information includes following at least one：Treat that the illumination of the safe class, ambient light of unblock event is strong
Degree, the distance parameter of facial image.
S402, above-mentioned mobile terminal gather the second biometric image.
S403, above-mentioned mobile terminal adjust the brightness of display screen according to the presupposed information.
S404, above-mentioned mobile terminal gather the first biometric image by biological image acquisition device.
S405, above-mentioned mobile terminal are judged in first biometric image in pupil area and second biometric image
Whether pupil area is identical.
S406, above-mentioned mobile terminal are worked as the pupil area judged in first biometric image and schemed with the described second biology
As in pupil area difference when, it is real user to determine user.
S407, above-mentioned mobile terminal determine matching degree threshold value according to the presupposed information.
S408, above-mentioned mobile terminal are matched first biometric image with default biological template.
S409, above-mentioned mobile terminal are more than or waited when the matching degree of first biometric image and the default biological template
When the matching degree threshold value, unblock operation is performed.
Wherein, above-mentioned S401, S403, S404 can refer to the corresponding steps in the embodiment described by Fig. 2A.
As can be seen that in the embodiment of the present invention, mobile terminal obtains presupposed information first；Secondly according to the presupposed information
Adjust the brightness of display screen；Finally, the first biometric image is gathered by biological image acquisition device.It can be seen that mobile terminal according to
Presupposed information adjusts the brightness of display screen, and carrying out light filling by the brightness of display screen obtains first biometric image, rather than
Using extra hardware such as light compensating lamp, flash lamp etc., be advantageous to save the hardware consumption of mobile terminal, and according to presupposed information
The brightness of display screen is adjusted, rather than makes the brightness constancy of display screen, the brightness of display screen is reduced when not needing high brightness, is had
Beneficial to the power consumption for reducing mobile terminal.
In addition, contraction and expansion reaction that mobile terminal changes according to pupil in iris to ambient light, bright by contrasting
Pupil area in pupil area and the second biometric image in the first front and rear biometric image of degree regulation, determine that user uses to be true
Family, be advantageous to be lifted the security of mobile terminal, add the effect of brightness of display screen change, fully apply the bright of display screen
Degree, rather than other additional condition judgment real users are utilized, be advantageous to the convenience of lifting detection real user, and only
The area change of detection pupil is needed, advantageously reduces the complexity of operation.
It is consistent with the embodiment shown in above-mentioned Fig. 2A, Fig. 3, Fig. 4, provided referring to Fig. 5, Fig. 5 is the embodiment of the present invention
A kind of mobile terminal structural representation, as illustrated, the mobile terminal include processor, memory, communication interface and
One or more programs, wherein, said one or multiple programs are stored in above-mentioned memory, and are configured by above-mentioned
Manage device to perform, said procedure includes being used for the instruction for performing following steps；
Obtain presupposed information；
The brightness of display screen is adjusted according to the presupposed information；
First biometric image is gathered by biological image acquisition device.
As can be seen that in the embodiment of the present invention, mobile terminal obtains presupposed information first；Secondly according to the presupposed information
Adjust the brightness of display screen；Finally, the first biometric image is gathered by biological image acquisition device.It can be seen that mobile terminal according to
Presupposed information adjusts the brightness of display screen, and carrying out light filling by the brightness of display screen obtains first biometric image, rather than
Using extra hardware such as light compensating lamp, flash lamp etc., be advantageous to save the hardware consumption of mobile terminal, and according to presupposed information
The brightness of display screen is adjusted, rather than makes the brightness constancy of display screen, the brightness of display screen is reduced when not needing high brightness, is had
Beneficial to the power consumption for reducing mobile terminal.
In a possible example, said procedure also includes being used for the instruction for performing following steps：Described in the basis
Before the brightness of presupposed information regulation display screen, the second biometric image is gathered.
In a possible example, the presupposed information includes following at least one：Treat unblock event safe class,
The intensity of illumination of ambient light, the distance parameter of facial image.
In a possible example, the first biometric image and second biometric image include pupil image, above-mentioned
Program also includes being used for the instruction for performing following steps：It is described by biological image acquisition device gather the first biometric image it
Afterwards, judge whether pupil area and the pupil area in second biometric image are identical in first biometric image；And
When judging the pupil area difference in the pupil area in first biometric image and second biometric image, it is determined that
User is real user.
In a possible example, said procedure also includes being used for the instruction for performing following steps：It is described to pass through biology
After the biometric image of image acquisition device first, matching degree threshold value is determined according to the presupposed information；And by described
One biometric image is matched with default biological template；And when first biometric image and the default biological template
When being more than or equal to the matching degree threshold value with degree, unblock operation is performed.
It is above-mentioned that mainly the scheme of the embodiment of the present invention is described from the angle of method side implementation procedure.It is appreciated that
, for mobile terminal in order to realize above-mentioned function, it comprises perform the corresponding hardware configuration of each function and/or software mould
Block.Those skilled in the art should be readily appreciated that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, the present invention can be realized with the combining form of hardware or hardware and computer software.Some function actually with
The mode of hardware or computer software driving hardware performs, application-specific and design constraint bar depending on technical scheme
Part.Professional and technical personnel can specifically realize described function to each using distinct methods, but this reality
Now it is not considered that beyond the scope of this invention.
The embodiment of the present invention can carry out the division of functional unit according to above method example to mobile terminal, for example, can
Each functional unit is divided with corresponding each function, two or more functions can also be integrated in a processing unit
In.Above-mentioned integrated unit can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.Need
It is noted that the division in the embodiment of the present invention to unit is schematical, only a kind of division of logic function is actual real
There can be other dividing mode now.
In the case of using integrated unit, Fig. 6 shows one kind of mobile terminal involved in above-described embodiment
Possible functional unit forms block diagram.Mobile terminal 600 includes：Processing unit 602 and collecting unit 603.Processing unit 602 is used
Management is controlled in the action to mobile terminal, for example, processing unit 602 is used to support mobile terminal to perform the step in Fig. 2A
Step S401-S409 in step S301-S306, Fig. 4 in rapid S201-S203, Fig. 3 and/or for skill described herein
Other processes of art.Collecting unit 603 is used for the communication for supporting mobile terminal and other equipment.Mobile terminal can also include depositing
Storage unit 601, program code and data for memory mobile terminal.
Wherein, above-mentioned processing unit 602, for obtaining presupposed information；It is and aobvious for being adjusted according to the presupposed information
The brightness of display screen；And for gathering the first biometric image by the collecting unit 603.
In a possible example, the processing unit 602 according to the presupposed information adjust display screen brightness it
Before, it is additionally operable to：Second biometric image is gathered by the collecting unit.
In a possible example, the presupposed information includes following at least one：Treat unblock event safe class,
The intensity of illumination of ambient light, the distance parameter of facial image.
In a possible example, after the processing unit gathers the first biometric image by the collecting unit,
It is additionally operable to：Judge whether pupil area and the pupil area in second biometric image are identical in first biometric image；
And judge the pupil area in first biometric image and the pupil area in second biometric image not for working as
Meanwhile determine that user is real user.
In a possible example, after the processing unit gathers the first biometric image by the collecting unit,
It is additionally operable to：Matching degree threshold value is determined according to the presupposed information；And for by first biometric image with preset biological mould
Plate is matched；And for when the matching degree of first biometric image and the default biological template is more than or equal to described
During matching degree threshold value, unblock operation is performed.
Wherein, processing unit 602 can be processor or controller, and collecting unit 603 can be biological image acquisition dress
Put, memory cell 601 can be memory.
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, the computer program cause computer to perform any as described in above-mentioned embodiment of the method
The part or all of step of method, above computer include mobile terminal.
The embodiment of the present invention also provides a kind of computer program product, and above computer program product includes storing calculating
The non-transient computer-readable recording medium of machine program, above computer program are operable to make computer perform side as described above
The part or all of step of either method described in method embodiment.The computer program product can be a software installation
Bag, above computer include mobile terminal.
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 said units, 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 above-mentioned 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 above-mentioned 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 above method 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 (16)
- A kind of 1. mobile terminal, it is characterised in that including biological image acquisition device, display screen, wherein,The display screen, to adjust brightness according to presupposed information；The biological image acquisition device, to gather the first biometric image.
- 2. mobile terminal according to claim 1, it is characterised in thatThe biological image acquisition device, to before display screen adjusts brightness according to presupposed information, the biology of collection second is schemed Picture.
- 3. mobile terminal according to claim 1 or 2, it is characterised in that the presupposed information includes following at least one： Treat the safe class, the intensity of illumination of ambient light, the distance parameter of facial image of unblock event.
- 4. according to the mobile terminal described in claim any one of 1-3, it is characterised in that pupil plane in first biometric image Product is different from the pupil area in second biometric image.
- 5. a kind of image-pickup method, it is characterised in that methods described includes：Obtain presupposed information；The brightness of display screen is adjusted according to the presupposed information；First biometric image is gathered by biological image acquisition device.
- 6. according to the method for claim 5, it is characterised in that the brightness that display screen is adjusted according to the presupposed information Before, methods described also includes：Gather the second biometric image.
- 7. the method according to claim 5 or 6, it is characterised in that the presupposed information includes following at least one：Wait to solve The safe class of lock event, the intensity of illumination of ambient light, the distance parameter of facial image.
- 8. according to the method described in claim any one of 5-7, it is characterised in that the first biometric image and the second biology figure As including pupil image, after first biometric image of collection by biological image acquisition device, methods described also includes：Judge whether pupil area and the pupil area in second biometric image are identical in first biometric image；When judging the pupil area difference in the pupil area in first biometric image and second biometric image, It is real user to determine user.
- 9. according to the method described in claim any one of 5-8, it is characterised in that described to be gathered by biological image acquisition device After first biometric image, methods described also includes：Matching degree threshold value is determined according to the presupposed information；First biometric image is matched with default biological template；When the matching degree of first biometric image and the default biological template is more than or equal to the matching degree threshold value, hold Row unblock operation.
- A kind of 10. mobile terminal, it is characterised in that including processing unit and collecting unit,The processing unit is used to obtain presupposed information；And for adjusting the brightness of display screen according to the presupposed information；With And for gathering the first biometric image by the collecting unit.
- 11. mobile terminal according to claim 10, it is characterised in that the processing unit is adjusted according to the presupposed information Before the brightness for saving display screen, it is additionally operable to：Second biometric image is gathered by the collecting unit.
- 12. the mobile terminal according to claim 10 or 11, it is characterised in that the presupposed information includes following at least one Kind：Treat the safe class, the intensity of illumination of ambient light, the distance parameter of facial image of unblock event.
- 13. according to the mobile terminal described in claim any one of 10-12, it is characterised in that the processing unit passes through described After collecting unit gathers the first biometric image, it is additionally operable to：Judge pupil area and described second in first biometric image Whether the pupil area in biometric image is identical；And judge the pupil area in first biometric image and institute for working as When stating the pupil area difference in the second biometric image, it is real user to determine user.
- 14. according to the mobile terminal described in claim any one of 10-13, it is characterised in that the processing unit passes through described After collecting unit gathers the first biometric image, it is additionally operable to：Matching degree threshold value is determined according to the presupposed information；And for inciting somebody to action First biometric image is matched with default biological template；And for when first biometric image and the default life When the matching degree of thing template is more than or equal to the matching degree threshold value, unblock operation is performed.
- A kind of 15. mobile terminal, it is characterised in that including processor, memory, communication interface, and one or more programs, One or more of programs are stored in the memory, and are configured by the computing device, described program bag Include the instruction for performing the step in the method as described in claim any one of 5-9.
- A kind of 16. computer-readable recording medium, it is characterised in that the computer program for electronic data interchange is stored, its In, the computer program causes computer to perform the method as described in claim any one of 5-9, and the computer includes moving Dynamic terminal.
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