CN108491834A - Fingerprint identification method and device - Google Patents
Fingerprint identification method and device Download PDFInfo
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- CN108491834A CN108491834A CN201810595969.6A CN201810595969A CN108491834A CN 108491834 A CN108491834 A CN 108491834A CN 201810595969 A CN201810595969 A CN 201810595969A CN 108491834 A CN108491834 A CN 108491834A
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- location information
- preset
- fingerprint image
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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
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04847—Interaction techniques to control parameter settings, e.g. interaction with sliders or dials
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Image Input (AREA)
- Collating Specific Patterns (AREA)
Abstract
The disclosure is directed to fingerprint identification method and devices.This method includes：After monitoring pressure signal of the finger to touch screen, obtain the location information of finger, when the location information of finger and preset fingerprint identification region meet predeterminated position relationship, fingerprint image is obtained, according to fingerprint image operation corresponding with the control execution of the matching result of preset fingerprint image.Wherein it is possible to which the position relationship of location information and preset fingerprint identification region based on finger determines the need for obtaining fingerprint image, to prompt fingerprint recognition rate.
Description
Technical field
This disclosure relates to field of communication technology more particularly to fingerprint identification method and device.
Background technology
With the fast development of information technology, the use of terminal device (such as mobile phone, tablet computer) is more and more universal.
Fingerprint identification technology is obtained as the standard configuration technology on terminal device in unlock, wake-up, mobile payment of terminal device etc.
Extensive use.
Invention content
To overcome the problems in correlation technique, the embodiment of the present disclosure provides fingerprint identification method and device.The skill
Art scheme is as follows：
According to the first aspect of the embodiments of the present disclosure, a kind of fingerprint identification method is provided, including：
After monitoring pressure signal of the finger to touch screen, the location information of finger is obtained；
When the location information of the finger and preset fingerprint identification region meet predeterminated position relationship, fingerprint image is obtained
Picture；
According to fingerprint image operation corresponding with the control execution of the matching result of preset fingerprint image.
The technical scheme provided by this disclosed embodiment can include the following benefits：When monitoring finger to touch screen
Pressure signal after, obtain the location information of finger, position preset when location information and the preset fingerprint identification region of finger meet
When setting relationship, fingerprint image is obtained, according to fingerprint image operation corresponding with the control execution of the matching result of preset fingerprint image.
Wherein it is possible to which the position relationship of location information and preset fingerprint identification region based on finger determines the need for obtaining fingerprint image
Picture, to prompt fingerprint recognition rate.
In one embodiment, the location information of the finger meets predeterminated position relationship with preset fingerprint identification region,
Including：
When determining that the finger is located at outside the preset fingerprint identification region according to the location information of the finger, according to
The location information of the finger determines the distance at the nearest preset fingerprint identification region edge of the finger distance；
When the distance is less than pre-determined distance threshold value, the location information and preset fingerprint identification region of the finger are determined
Meet predeterminated position relationship.
In one embodiment, the method includes：
When determining that the finger is located in the preset fingerprint identification region according to the location information of the finger, determine
The location information of the finger meets predeterminated position relationship with preset fingerprint identification region.
In one embodiment, when the location information of the finger and preset fingerprint identification region meet predeterminated position relationship
When, fingerprint image is obtained, including：
When the location information of the finger and preset fingerprint identification region meet predeterminated position relationship, the finger is obtained
Pressure value；
When the pressure value meets preset pressure value, control touch screen is switched to background hi-bright mode；
After the touch screen is switched to background hi-bright mode, the fingerprint image is obtained.
In one embodiment, described after the touch screen is switched to background hi-bright mode, the fingerprint image is obtained,
Including：
After detecting that the touch screen is switched to background hi-bright mode, the pressure value of the finger is reacquired；
When the pressure value of reacquisition meets the preset pressure value, the fingerprint image is obtained.
According to the second aspect of the embodiment of the present disclosure, a kind of fingerprint identification device is provided, including：
Monitoring modular, the pressure signal for monitoring whether to receive finger to touch screen；
First acquisition module, for after pressure signal of the monitoring module monitors to finger to touch screen, obtaining hand
The location information of finger；
Detection module, location information and preset fingerprint for detecting the finger that first acquisition module is got
Whether identification region meets predeterminated position relationship；
Second acquisition module, for detecting that the location information of the finger is identified with preset fingerprint when the detection module
When region meets predeterminated position relationship, fingerprint image is obtained；
Control module, of the fingerprint image and preset fingerprint image for being obtained according to second acquisition module
Corresponding operation is executed with output control.
In one embodiment, the detection module includes：First determination sub-module and the second determination sub-module；
First determination sub-module, for described pre- when determining that the finger is located at according to the location information of the finger
If fingerprint identification area is overseas, determine that the nearest preset fingerprint of the finger distance is known according to the location information of the finger
The distance of other edges of regions；
Second determination sub-module, the distance for being determined when first determination sub-module are less than pre-determined distance
When threshold value, determine that the location information of the finger meets predeterminated position relationship with preset fingerprint identification region.
In one embodiment, the detection module further includes：Third determination sub-module；
The third determination sub-module, for described pre- when determining that the finger is located at according to the location information of the finger
If when in fingerprint identification region, determining that the location information of the finger meets predeterminated position relationship with preset fingerprint identification region.
In one embodiment, second acquisition module, including：First acquisition submodule, control submodule and second
Acquisition submodule；
First acquisition submodule, for detecting that the location information of the finger refers to default when the detection module
When line identification region meets predeterminated position relationship, the pressure value of the finger is obtained；
The control submodule, the pressure value for being obtained when first acquisition submodule meet preset pressure value
When, control touch screen is switched to background hi-bright mode；
Second acquisition submodule is switched to the highlighted mould of background for controlling the touch screen in the control submodule
After formula, the fingerprint image is obtained.
In one embodiment, second acquisition submodule includes：Third acquisition submodule and the 4th acquisition submodule；
The third acquisition submodule, for detecting that the control submodule controls the touch screen and be switched to background
After hi-bright mode, the pressure value of the finger is reacquired；
4th acquisition submodule, the pressure value for being reacquired when the third acquisition submodule meet institute
When stating preset pressure value, the fingerprint image is obtained.
According to the third aspect of the embodiment of the present disclosure, a kind of fingerprint identification device is provided, including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
After monitoring pressure signal of the finger to touch screen, the location information of finger is obtained；
When the location information of the finger and preset fingerprint identification region meet predeterminated position relationship, fingerprint image is obtained
Picture；
According to fingerprint image operation corresponding with the control execution of the matching result of preset fingerprint image.
According to the fourth aspect of the embodiment of the present disclosure, a kind of computer readable storage medium is provided, is stored thereon with calculating
Machine instructs, when which is executed by processor the step of any one of realization first aspect the method.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is the flow chart according to the fingerprint identification method shown in an exemplary embodiment.
Fig. 2 is the flow chart according to the fingerprint identification method shown in an exemplary embodiment.
Fig. 3 is a kind of block diagram of fingerprint identification device shown according to an exemplary embodiment.
Fig. 4 is the block diagram of detection module in a kind of fingerprint identification device shown according to an exemplary embodiment.
Fig. 5 is the block diagram of detection module in a kind of fingerprint identification device shown according to an exemplary embodiment.
Fig. 6 is the block diagram of the second acquisition module in a kind of fingerprint identification device shown according to an exemplary embodiment.
Fig. 7 is the block diagram of the second acquisition submodule in a kind of fingerprint identification device shown according to an exemplary embodiment.
Fig. 8 is a kind of block diagram for fingerprint identification device 80 shown according to an exemplary embodiment.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Fig. 1 is according to the flow chart of the fingerprint identification method shown in an exemplary embodiment, as shown in Figure 1, this method is answered
For in terminal device, including the following steps S101-S103：
In step S101, after monitoring pressure signal of the finger to touch screen, the location information of finger is obtained.
When user want to mobile phone execute need fingerprint authenticate operation (such as：Unlock touch screen or Alipay payment etc.)
When, the touch screen for pressing with finger terminal device can be made, when terminal device monitors that the finger of user believes the pressure of touch screen
After number, just learn that user may wish to execute the operation for needing fingerprint to authenticate to mobile phone, at this point, just obtaining the position of user's finger
Information.
Wherein, the location information of finger can be indicated in the form of coordinate.
When finger is pressed touch screen by user, can be monitored by touch after thering is finger to contact touch screen, and then obtain
The location information of finger.
In step s 102, it when the location information of finger and preset fingerprint identification region meet predeterminated position relationship, obtains
Fetching print image.
Due to needing to be authenticated using fingerprint, then just needing to obtain fingerprint image, therefore, when the location information of finger
When meeting predeterminated position relationship with preset fingerprint identification region, fingerprint image is just obtained.
After above-mentioned touch obtains the location information of finger, the location information of finger is carried and is transmitted in touch signals
To pressure sensor, after pressure sensor receives touch signals, and the location information and preset fingerprint cog region of finger are judged
Whether domain meets predeterminated position relationship.
In step s 103, according to fingerprint image operation corresponding with the control execution of the matching result of preset fingerprint image.
To each default preset fingerprint image of operation that terminal device is different, the preset fingerprint image is for executing correspondence
Operation, such as：Can be the default preset fingerprint image of operation of unlock touch screen, or the behaviour of Alipay payment
Another preset fingerprint image is preset；It is of course also possible to each default same default finger of operation that terminal device is different
Print image, the preset fingerprint image are used to open current on-unit, such as：Can be unlock touch screen and Alipay branch
The same preset fingerprint image is preset in the operation paid.
It after obtaining fingerprint image, is matched, is obtained with preset fingerprint image based on the fingerprint image got
With as a result, corresponding operation can be executed based on different matching results.
Exemplary, above-mentioned matching result can be whether the fingerprint image that gets is identical as preset fingerprint image；
Alternatively, above-mentioned matching result can be the percentage of the fingerprint image got and the similarity of preset fingerprint image.
For unlocking touch screen, when the matching result of the fingerprint image got and preset fingerprint image is fingerprint image
When identical as preset fingerprint image, the touch screen of terminal device is just unlocked；Alternatively, just unlocking touch-control when similarity is more than 70%
Screen just unlocks the touch-control of terminal device then when the similarity of the fingerprint image got and preset fingerprint image is 80%
Screen.
The technical scheme provided by this disclosed embodiment can include the following benefits：When monitoring finger to touch screen
Pressure signal after, obtain the location information of finger, position preset when location information and the preset fingerprint identification region of finger meet
When setting relationship, fingerprint image is obtained, according to fingerprint image operation corresponding with the control execution of the matching result of preset fingerprint image.
Wherein it is possible to which the position relationship of location information and preset fingerprint identification region based on finger determines the need for obtaining fingerprint image
Picture, to prompt fingerprint recognition rate.
In the related technology, it when determining that finger is located in preset fingerprint identification region according to the location information of finger, determines
The location information of finger meets predeterminated position relationship with preset fingerprint identification region, just executes primary normal fingerprint recognition.
But go out under screen state since terminal device is in, the preset fingerprint in terminal device can not be accurately positioned in user
Identification region, possible finger pressing are likely to be at pre- in the edge of preset fingerprint identification region, the at this time location information of finger
If fingerprint identification area is overseas, but the area that finger is fallen in preset fingerprint region is sufficiently large, meets fingerprint algorithm and does and refers to
The matched requirement of line, above-mentioned scheme will miss primary normal fingerprint recognition.
In one embodiment, the location information of finger meets predeterminated position relationship with preset fingerprint identification region, including
Following steps A1-A3：
In A1, when determining that finger is located at outside preset fingerprint identification region according to the location information of finger, according to finger
Location information determine distance of the finger apart from nearest preset fingerprint identification region edge.
In A2, when distance is less than pre-determined distance threshold value, the location information and preset fingerprint identification region of finger are determined
Meet predeterminated position relationship.
In A3, when determining that finger is located in preset fingerprint identification region according to the location information of finger, finger is determined
Location information and preset fingerprint identification region meet predeterminated position relationship.
Situation and finger of the finger pressing in preset fingerprint identification region can be compatible with simultaneously by above-mentioned method to press
The case where being pressed in preset fingerprint identification region edge effectively promotes fingerprint recognition rate.
In one embodiment, when the location information of finger and preset fingerprint identification region meet predeterminated position relationship,
Fingerprint image is obtained, includes the following steps B1-B3：
In B1, when the location information of finger meets predeterminated position relationship with preset fingerprint identification region, finger is obtained
Pressure value.
In B2, when pressure value meets preset pressure value, control touch screen is switched to background hi-bright mode.
In B3, after touch screen is switched to background hi-bright mode, fingerprint image is obtained.
It is therefore, in one's hands when detecting in order to avoid finger touches touch screen and starts a fingerprint recognition user unintentionally
When the location information of finger meets predeterminated position relationship with preset fingerprint identification region, it is also necessary to which whether the pressure value for detecting finger is full
Sufficient preset pressure value just starts a fingerprint recognition when detecting that pressure value meets preset pressure value.
When executing fingerprint collecting, the most commonly used is optical ftngetpnnt acquisidons, and optical ftngetpnnt acquisidon is using total reflection and to overflow
The phenomenon that reflection, in the case where no finger presses, light is projected from light source, and entire fingerprint surface is all totally reflected, entirely
The parallel injection convex lens of reflection light, convex lens to complementary metal oxide semiconductor (Complementary Metal
Oxide Semiconductor, referred to as：CMOS), institute's the image collected is blank out at this time.When there is finger pressing,
Fingerprint prominence will produce irreflexive phenomenon, and irreflexive light intensity is more much lower than total reflection, thus ultimately forms one
A high in white and black fingerprint image of comparison.
Wherein, total reflection refers to that light is mapped to optically thinner medium (i.e. by optically denser medium (i.e. the refractive index of light in the medium is big)
Light refractive index in this medium is small) interface when, the phenomenon that is all reflected back toward in former medium.Total reflection phenomenon occurs must
Two conditions must be met, first, incidence angle is more than critical angle.Second is that light must inject optically thinner medium from optically denser medium.
Diffusing reflection refers to the phenomenon that light of projection on a rough surface is reflected to all directions.When a branch of parallel incident light
When line is mapped to coarse surface, surface can light towards reflecting from all directions, although incident ray is parallel to each other, due to
The normal direction of each point is inconsistent, and reflection light is caused irregularly to be reflected to different directions.
And optical finger print in face, it is by means of Organic Light Emitting Diode (Organic Light-Emitting Diode, letter
Referred to as：OLED) screen can be placed in self-luminous, fingerprint sensor below screen, irradiate fingerprint using the light source of OLED,
Total reflection and irreflexive phenomenon are recycled, a height is formed and compares in white and black fingerprint image.
Therefore, in order to enable collected fingerprint image is clearer, before carrying out fingerprint image acquisition, touch screen is controlled
It is switched to background hi-bright mode, after touch screen is switched to background hi-bright mode, obtains fingerprint image.
The technical scheme provided by this disclosed embodiment can include the following benefits：It is switched to background height in touch screen
After bright pattern, fingerprint image is obtained, since touch screen is switched to background hi-bright mode, so as to promote the fingerprint image of acquisition
The quality of picture.
In one embodiment, after touch screen is switched to background hi-bright mode, fingerprint image, including following sub-step are obtained
Rapid C1-C2：
In C1, after detecting that touch screen is switched to background hi-bright mode, the pressure value of finger is reacquired.
In C2, when the pressure value of reacquisition meets preset pressure value, fingerprint image is obtained.
After touch screen is switched to background hi-bright mode, if user's finger has left touch screen at this time, that is just not necessarily to
The step of doing fingerprint image acquisition, avoid do a fingerprint recognition program, therefore, detecting that touch screen is switched to background height
After bright pattern, the pressure value for obtaining finger can be gone again, when the pressure value of finger at this time meets above-mentioned preset pressure value,
Just fingerprint image is obtained.
The technical scheme provided by this disclosed embodiment can include the following benefits：Detecting that touch screen is switched to
After background hi-bright mode, the pressure value of finger is reacquired, when the pressure value of reacquisition meets preset pressure value, just goes to obtain
Fetching print image, to promote the reliability of fingerprint recognition program execution.
Fig. 2 is a kind of flow chart of fingerprint identification method shown according to an exemplary embodiment, as shown in Fig. 2, the party
Method includes the following steps：
In step s 201, after monitoring pressure signal of the finger to touch screen, the location information of finger is obtained.
In step S202, determine whether finger is located in preset fingerprint identification region according to the location information of finger, when
When determining that finger is located at outside preset fingerprint identification region according to the location information of finger, step S203-S204 is executed；When according to hand
When the location information of finger determines that finger is located in preset fingerprint identification region, step S205 is executed.
In step S203, determine finger apart from nearest preset fingerprint identification region edge according to the location information of finger
Distance.
In step S204, whether detecting distance is less than pre-determined distance threshold value, when detecting distance is less than pre-determined distance threshold value
When, execute step S205；When detecting distance is greater than or equal to pre-determined distance threshold value, any operation is not executed.
In step S205, the pressure value of finger is obtained.
In step S206, when pressure value meets preset pressure value, control touch screen is switched to background hi-bright mode.
In step S207, after touch screen is switched to background hi-bright mode, the pressure value of finger is reacquired.
In step S208, when the pressure value of reacquisition meets preset pressure value, fingerprint image is obtained.
In step S209, according to fingerprint image operation corresponding with the control execution of the matching result of preset fingerprint image.
In order to clearly illustrate the technical solution in the disclosure, solution lock screen is executed with the fingerprint image got below
It is illustrated for function：
Finger is pressed screen after touch has detected finger pressing screen and obtains the location information of finger by user, will
The location information carrying of finger passes to pressure sensor in touch signals.
After pressure sensor receives touch signals, the location information of finger is judged whether in preset fingerprint region, such as
Fruit judging result is that finger is in preset fingerprint region, then obtains the pressure value of finger, and report an event, wherein on
The type and value of event are carried in the event of report, it is the corresponding event of pressure value that the type of event, which is the event, is worth for pressure
Force value；If it is judged that being located at outside preset fingerprint region for finger, then the finger side nearest apart from preset fingerprint region is calculated
The distance of edge, if it is less than pre-determined distance threshold value, pressure sensor still reports an above-mentioned event.
The event nodes of screen locking program meeting poll pressure sensor, receive the event after being polled to event and having sent out,
Whether the type and value of detection event are the corresponding event of pressure value first, if so, obtaining default pressure in being arranged from system
Force threshold, then detects whether the pressure value that event is carried is more than preset pressure threshold value, if the pressure value that event is carried is big
In preset pressure threshold value, screen locking program is notified that display module, by screens switch at background hi-bright mode, when background hi-bright mode
After the completion of switching, screen locking program can by fingerprint module provide interface, by background successful switch be hi-bright mode letter
Breath passes to fingerprint module.
While above-mentioned steps execute, fingerprint module is also in the event nodes of poll pressure sensor, when being polled to
Event receives the event after sending out, detect whether the type of event and value are the corresponding event of pressure value first, if so,
Preset pressure threshold value is obtained from system setting, then detects whether the pressure value that event is carried is more than preset pressure threshold value, such as
The pressure value that fruit event is carried is more than preset pressure threshold value, at the same have receive that screen locking program passes over by background at
After work(is switched to the information of hi-bright mode, fingerprint module is just started to work.
Fingerprint module captures the fingerprint image of user first, then fingerprint image is passed to the algorithm routine of rear end, calculates
Method program starts to take the fingerprint the characteristic value information of image, and by the default finger of these characteristic value informations and fingerprint template library storage
Line information matches, and matching result is finally returned to the program for calling fingerprint by fingerprint module.
Following is embodiment of the present disclosure, can be used for executing embodiments of the present disclosure.
Fig. 3 is a kind of block diagram of fingerprint identification device shown according to an exemplary embodiment, which can be by soft
Part, hardware or both are implemented in combination with as some or all of of electronic equipment.As shown in figure 3, the fingerprint identification device
Including：
Monitoring modular 11, the pressure signal for monitoring whether to receive finger to touch screen；
First acquisition module 12, for after the monitoring modular 11 monitors pressure signal of the finger to touch screen, obtaining
Take the location information of finger；
Detection module 13, for detecting the location information and preset that described first obtains the finger that 12 pieces of mould is got
Whether fingerprint identification region meets predeterminated position relationship；
Second acquisition module 14, location information and preset fingerprint for detecting the finger when the detection module 13
When identification region meets predeterminated position relationship, fingerprint image is obtained；
Control module 15, the fingerprint image for being obtained according to second acquisition module 14 and preset fingerprint image
Matching result control execute corresponding operation.
In one embodiment, as shown in figure 4, the detection module 13 includes：First determination sub-module 131 and second is true
Stator modules 132；
First determination sub-module 131 determines that the finger is located at institute for working as according to the location information of the finger
When stating outside preset fingerprint identification region, the nearest default finger of the finger distance is determined according to the location information of the finger
The distance at line identification region edge；
Second determination sub-module 132, the distance for being determined when first determination sub-module 131 are less than pre-
If when distance threshold, determining that the location information of the finger meets predeterminated position relationship with preset fingerprint identification region.
In one embodiment, as shown in figure 5, the detection module 13 further includes：Third determination sub-module 133；
The third determination sub-module 133 determines that the finger is located at institute for working as according to the location information of the finger
When stating in preset fingerprint identification region, determine that the location information of the finger meets predeterminated position pass with preset fingerprint identification region
System.
In one embodiment, as shown in fig. 6, second acquisition module 14, including：First acquisition submodule 141, control
System module 142 and the second acquisition submodule 143；
First acquisition submodule 141, for detected when the detection module 13 location information of the finger with
When preset fingerprint identification region meets predeterminated position relationship, the pressure value of the finger is obtained；
The control submodule 142, the pressure value for being obtained when first acquisition submodule 141 meet default
When pressure value, control touch screen is switched to background hi-bright mode；
Second acquisition submodule 143 is switched to background for controlling the touch screen in the control submodule 142
After hi-bright mode, the fingerprint image is obtained.
In one embodiment, as shown in fig. 7, second acquisition submodule 143 includes：Third acquisition submodule 1431
With the 4th acquisition submodule 1432；
The third acquisition submodule 1431, for detecting that the control submodule controls the touch screen and be switched to
After background hi-bright mode, the pressure value of the finger is reacquired；
4th acquisition submodule 1432, the pressure for being reacquired when the third acquisition submodule 1431
When value meets the preset pressure value, the fingerprint image is obtained.
According to the third aspect of the embodiment of the present disclosure, a kind of fingerprint identification device is provided, including：
Processor；
Memory for storing processor-executable instruction；
Wherein, processor is configured as：
After monitoring pressure signal of the finger to touch screen, the location information of finger is obtained；
When the location information of the finger and preset fingerprint identification region meet predeterminated position relationship, fingerprint image is obtained
Picture；
According to fingerprint image operation corresponding with the control execution of the matching result of preset fingerprint image.
Above-mentioned processor is also configured to：
The location information of the finger meets predeterminated position relationship with preset fingerprint identification region, including：
When determining that the finger is located at outside the preset fingerprint identification region according to the location information of the finger, according to
The location information of the finger determines the distance at the nearest preset fingerprint identification region edge of the finger distance；
When the distance is less than pre-determined distance threshold value, the location information and preset fingerprint identification region of the finger are determined
Meet predeterminated position relationship.
The method includes：
When determining that the finger is located in the preset fingerprint identification region according to the location information of the finger, determine
The location information of the finger meets predeterminated position relationship with preset fingerprint identification region.
When the location information of the finger and preset fingerprint identification region meet predeterminated position relationship, fingerprint image is obtained
Picture, including：
When the location information of the finger and preset fingerprint identification region meet predeterminated position relationship, the finger is obtained
Pressure value；
When the pressure value meets preset pressure value, control touch screen is switched to background hi-bright mode；
After the touch screen is switched to background hi-bright mode, the fingerprint image is obtained.
It is described to obtain the fingerprint image after the touch screen is switched to background hi-bright mode, including：
After detecting that the touch screen is switched to background hi-bright mode, the pressure value of the finger is reacquired；
When the pressure value of reacquisition meets the preset pressure value, the fingerprint image is obtained.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Fig. 8 is a kind of block diagram for fingerprint identification device 80 shown according to an exemplary embodiment, which is applicable in
In terminal device.For example, device 80 can be mobile phone, and computer, digital broadcast terminal, messaging devices, game control
Platform processed, tablet device, Medical Devices, body-building equipment, personal digital assistant etc..
Device 80 may include following one or more components：Processing component 802, memory 804, power supply module 806 are more
Media component 808, audio component 810, the interface 812 of input/output (I/O), sensor module 814 and communication component
816。
The integrated operation of 802 usual control device 80 of processing component, such as with display, call, data communication, camera
Operation and record operate associated operation.Processing component 802 may include one or more processors 820 to execute instruction,
To perform all or part of the steps of the methods described above.In addition, processing component 802 may include one or more modules, it is convenient for
Interaction between processing component 802 and other assemblies.For example, processing component 802 may include multi-media module, to facilitate more matchmakers
Interaction between body component 808 and processing component 802.
Memory 804 is configured as storing various types of data to support the operation in device 80.These data are shown
Example includes instruction for any application program or method that are operated on device 80, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 804 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static RAM (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 806 provides electric power for the various assemblies of device 80.Power supply module 806 may include power management system
System, one or more power supplys and other generated with for device 80, management and the associated component of distribution electric power.
Multimedia component 808 is included in the touch screen of one output interface of offer between described device 80 and user.
In some embodiments, touch screen may include liquid crystal display (LCD) and touch panel (TP).If touch screen includes touch surface
Plate, touch screen may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touches
Sensor is touched to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or cunning
The boundary of action, but also detect duration and pressure associated with the touch or slide operation.In some embodiments
In, multimedia component 808 includes a front camera and/or rear camera.When device 80 is in operation mode, such as shoot
When pattern or video mode, front camera and/or rear camera can receive external multi-medium data.It is each preposition to take the photograph
As head and rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 810 is configured as output and/or input audio signal.For example, audio component 810 includes a Mike
Wind (MIC), when device 80 is in operation mode, when such as call model, logging mode and speech recognition mode, microphone is configured
To receive external audio signal.The received audio signal can be further stored in memory 804 or via communication component
816 send.In some embodiments, audio component 810 further includes a loud speaker, is used for exports audio signal.
I/O interfaces 812 provide interface between processing component 802 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor module 814 includes one or more sensors, the status assessment for providing various aspects for device 80.
For example, sensor module 814 can detect the state that opens/closes of device 80, the relative positioning of component, such as the component
For the display and keypad of device 80, sensor module 814 can be with the position of 80 1 components of detection device 80 or device
Change, the existence or non-existence that user contacts with device 80, the temperature change of 80 orientation of device or acceleration/deceleration and device 80.
Sensor module 814 may include proximity sensor, be configured to detect object nearby without any physical contact
Presence.Sensor module 814 can also include that optical sensor is used for such as CMOS or ccd image sensor in imaging applications
It uses.In some embodiments, which can also include acceleration transducer, gyro sensor, magnetic sensing
Device, pressure sensor or temperature sensor.
Communication component 816 is configured to facilitate the communication of wired or wireless way between device 80 and other equipment.Device
80 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or combination thereof.In an exemplary implementation
In example, communication component 816 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 816 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 80 can be believed by one or more application application-specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic building bricks are realized, for executing the above method.
In the exemplary embodiment, it includes the non-transitorycomputer readable storage medium instructed, example to additionally provide a kind of
Such as include the memory 804 of instruction, above-metioned instruction can be executed by the processor 820 of device 80 to complete the above method.For example, institute
State non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and
Optical data storage devices etc..
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is by the processor of device 80
When execution so that device 80 is able to carry out above-mentioned fingerprint identification method, the method includes：
After monitoring pressure signal of the finger to touch screen, the location information of finger is obtained；
When the location information of the finger and preset fingerprint identification region meet predeterminated position relationship, fingerprint image is obtained
Picture；
According to fingerprint image operation corresponding with the control execution of the matching result of preset fingerprint image.
The location information of the finger meets predeterminated position relationship with preset fingerprint identification region, including：
When determining that the finger is located at outside the preset fingerprint identification region according to the location information of the finger, according to
The location information of the finger determines the distance at the nearest preset fingerprint identification region edge of the finger distance；
When the distance is less than pre-determined distance threshold value, the location information and preset fingerprint identification region of the finger are determined
Meet predeterminated position relationship.
The method includes：
When determining that the finger is located in the preset fingerprint identification region according to the location information of the finger, determine
The location information of the finger meets predeterminated position relationship with preset fingerprint identification region.
When the location information of the finger and preset fingerprint identification region meet predeterminated position relationship, fingerprint image is obtained
Picture, including：
When the location information of the finger and preset fingerprint identification region meet predeterminated position relationship, the finger is obtained
Pressure value；
When the pressure value meets preset pressure value, control touch screen is switched to background hi-bright mode；
After the touch screen is switched to background hi-bright mode, the fingerprint image is obtained.
It is described to obtain the fingerprint image after the touch screen is switched to background hi-bright mode, including：
After detecting that the touch screen is switched to background hi-bright mode, the pressure value of the finger is reacquired；
When the pressure value of reacquisition meets the preset pressure value, the fingerprint image is obtained.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and includes the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (12)
1. a kind of fingerprint identification method, which is characterized in that including：
After monitoring pressure signal of the finger to touch screen, the location information of finger is obtained；
When the location information of the finger and preset fingerprint identification region meet predeterminated position relationship, fingerprint image is obtained；
According to fingerprint image operation corresponding with the control execution of the matching result of preset fingerprint image.
2. according to the method described in claim 1, it is characterized in that, the location information of the finger and preset fingerprint identification region
Meet predeterminated position relationship, including：
When determining that the finger is located at outside the preset fingerprint identification region according to the location information of the finger, according to described
The location information of finger determines the distance at the nearest preset fingerprint identification region edge of the finger distance；
When the distance is less than pre-determined distance threshold value, determine that the location information of the finger meets with preset fingerprint identification region
Predeterminated position relationship.
3. according to the method described in claim 2, it is characterized in that, the method includes：
When determining that the finger is located in the preset fingerprint identification region according to the location information of the finger, described in determination
The location information of finger meets predeterminated position relationship with preset fingerprint identification region.
4. according to the method described in claim 1, it is characterized in that, working as the location information and preset fingerprint cog region of the finger
When domain meets predeterminated position relationship, fingerprint image is obtained, including：
When the location information of the finger and preset fingerprint identification region meet predeterminated position relationship, the pressure of the finger is obtained
Force value；
When the pressure value meets preset pressure value, control touch screen is switched to background hi-bright mode；
After the touch screen is switched to background hi-bright mode, the fingerprint image is obtained.
5. according to the method described in claim 4, it is characterized in that, described be switched to background hi-bright mode in the touch screen
Afterwards, the fingerprint image is obtained, including：
After detecting that the touch screen is switched to background hi-bright mode, the pressure value of the finger is reacquired；
When the pressure value of reacquisition meets the preset pressure value, the fingerprint image is obtained.
6. a kind of fingerprint identification device, which is characterized in that including：
Monitoring modular, the pressure signal for monitoring whether to receive finger to touch screen；
First acquisition module, for after pressure signal of the monitoring module monitors to finger to touch screen, obtaining finger
Location information；
Detection module, the location information for detecting the finger that first acquisition module is got are identified with preset fingerprint
Whether region meets predeterminated position relationship；
Second acquisition module, the location information for detecting the finger when the detection module and preset fingerprint identification region
When meeting predeterminated position relationship, fingerprint image is obtained；
Control module, the matching knot of the fingerprint image and preset fingerprint image for being obtained according to second acquisition module
Fruit control executes corresponding operation.
7. device according to claim 6, which is characterized in that the detection module includes：First determination sub-module and
Two determination sub-modules；
First determination sub-module determines that the finger is located at the default finger for working as according to the location information of the finger
When outside line identification region, the nearest preset fingerprint cog region of the finger distance is determined according to the location information of the finger
The distance at domain edge；
Second determination sub-module, the distance for being determined when first determination sub-module are less than pre-determined distance threshold value
When, determine that the location information of the finger meets predeterminated position relationship with preset fingerprint identification region.
8. device according to claim 7, which is characterized in that the detection module further includes：Third determination sub-module；
The third determination sub-module determines that the finger is located at the default finger for working as according to the location information of the finger
When in line identification region, determine that the location information of the finger meets predeterminated position relationship with preset fingerprint identification region.
9. device according to claim 6, which is characterized in that second acquisition module, including：First obtains submodule
Block, control submodule and the second acquisition submodule；
First acquisition submodule, for detecting that the location information of the finger is known with preset fingerprint when the detection module
When other region meets predeterminated position relationship, the pressure value of the finger is obtained；
The control submodule, when the pressure value for being obtained when first acquisition submodule meets preset pressure value,
Control touch screen is switched to background hi-bright mode；
Second acquisition submodule is switched to background hi-bright mode for controlling the touch screen in the control submodule
Afterwards, the fingerprint image is obtained.
10. device according to claim 9, which is characterized in that second acquisition submodule includes：Third obtains submodule
Block and the 4th acquisition submodule；
The third acquisition submodule, for detecting that it is highlighted that the control submodule control touch screen is switched to background
After pattern, the pressure value of the finger is reacquired；
4th acquisition submodule, the pressure value for being reacquired when the third acquisition submodule meet described pre-
If when pressure value, obtaining the fingerprint image.
11. a kind of fingerprint identification device, which is characterized in that including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
After monitoring pressure signal of the finger to touch screen, the location information of finger is obtained；
When the location information of the finger and preset fingerprint identification region meet predeterminated position relationship, fingerprint image is obtained；
According to fingerprint image operation corresponding with the control execution of the matching result of preset fingerprint image.
12. a kind of computer readable storage medium, is stored thereon with computer instruction, which is characterized in that the instruction is by processor
The step of any one of claim 1 to 5 the method is realized when execution.
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