CN107729846A - A kind of fingerprint identification method and mobile terminal - Google Patents
A kind of fingerprint identification method and mobile terminal Download PDFInfo
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- CN107729846A CN107729846A CN201710985132.8A CN201710985132A CN107729846A CN 107729846 A CN107729846 A CN 107729846A CN 201710985132 A CN201710985132 A CN 201710985132A CN 107729846 A CN107729846 A CN 107729846A
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- color scheme
- gain parameter
- dynamic gain
- mobile terminal
- color
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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
Abstract
The invention provides a kind of fingerprint identification method and mobile terminal, and by the way that when user touches touch screen, the light ray energy based on user's finger reflection generates induced voltage, the light is the light that two neighboring pixel is sent；Obtain the color scheme that two neighboring pixel emits beam；Based on the corresponding relation between the color scheme and dynamic gain parameter pre-established, it is determined that the dynamic gain parameter of amplifier corresponding with the color scheme；Based on induced voltage and dynamic gain parameter, fingerprint recognition image is generated；Fingerprint recognition is carried out based on fingerprint recognition image.So as to make mobile terminal realize that multicolour is shown when mobile terminal realizes fingerprint identification function, it is ensured that the display effect of mobile terminal.
Description
Technical field
The present embodiments relate to communication technical field, more particularly to a kind of fingerprint identification method and mobile terminal.
Background technology
The use of screen fingerprint identification function on mobile terminals at present is more and more common, such as unlocks, pays.
As shown in Figure 1, 2, when mobile terminal user's finger touches mobile terminal touch screen fingerprint recognition region, touch screen
The light sent by the crest of user's finger fingerprint, trough the reflection of different light paths after, by touch screen adjacent pixel it
Between set light admitting aperture received by the light fingerprint identification module set by touch screen, so as to form fingerprint recognition image,
Screen fingerprint identification function is realized eventually through respective algorithms.
Currently available technology, during the i.e. color difference of color that adjacent pixel emits beam when light admitting aperture both sides, in light
Imaging effect on line fingerprint identification module is variant, when light fingerprint identification module can not receive to the mixed light of multicolour pair
The gain parameter for the amplifier answered automatically adjusts, so as to form accurate fingerprint recognition image, therefore, prior art
When realizing fingerprint identification function, mobile terminal touch screen fingerprint recognition region only shows a certain color to guarantee standard
Fingerprint recognition image is really obtained, causes mobile terminal to show that color is single when realizing fingerprint identification function, have impact on mobile whole
Hold display effect.
The content of the invention
The present invention provides a kind of fingerprint identification method and mobile terminal, and mobile terminal fingerprint is being realized to solve prior art
Show that color is single during identification function, display effect be short of the problem of.
On the one hand, the embodiments of the invention provide a kind of fingerprint identification method, applied to mobile terminal, the mobile terminal bag
Touch screen is included, the touch screen includes the light admitting aperture being arranged between two neighboring pixel；This method specifically may include：
When user touches touch screen, the light ray energy based on user's finger reflection generates induced voltage, and the light is
The light that two neighboring pixel is sent；
Obtain the color scheme that two neighboring pixel emits beam；
Based on the corresponding relation between the color scheme and dynamic gain parameter pre-established, it is determined that corresponding with color scheme
Amplifier dynamic gain parameter；
Based on induced voltage and dynamic gain parameter, fingerprint recognition image is generated；
Fingerprint recognition is carried out based on fingerprint recognition image.
On the other hand, the embodiment of the present invention additionally provides a kind of mobile terminal, and the mobile terminal includes touch screen, the touch-control
Screen includes the light admitting aperture being arranged between two neighboring pixel；The mobile terminal can also specifically include：
First generation module, for when user touches touch screen, the light ray energy based on user's finger reflection to generate sense
Voltage is answered, the light is the light that two neighboring pixel is sent；
Acquisition module, the color scheme to be emitted beam for obtaining two neighboring pixel；
Determining module, for based on the corresponding relation between the color scheme and dynamic gain parameter pre-established, it is determined that
The dynamic gain parameter of amplifier corresponding with the color scheme that acquisition module obtains；
Second generation module, the dynamic that induced voltage and determining module for being generated based on the first generation module are determined increase
Beneficial parameter, generate fingerprint recognition image；
Identification module, the fingerprint recognition image for being generated based on the second generation module carry out fingerprint recognition.
On the other hand, the embodiment of the present invention additionally provides a kind of mobile terminal, including：Processor, memory and it is stored in
On the memory and the computer program that can run on the processor, the computer program is by the computing device
The step of fingerprint identification method that the Shi Shixian embodiments of the present invention provide.
On the other hand, the embodiment of the present invention additionally provides a kind of computer-readable recording medium, described computer-readable to deposit
Computer program is stored with storage media, the computer program realizes that the embodiments of the present invention provide when being executed by processor
Fingerprint identification method the step of.
So, fingerprint identification method and mobile terminal provided in an embodiment of the present invention, by when user touch touch screen when,
Light ray energy based on user's finger reflection generates induced voltage, and the light is the light that two neighboring pixel is sent；Obtain
The color scheme that two neighboring pixel emits beam；Based on corresponding between the color scheme pre-established and dynamic gain parameter
Relation, it is determined that the dynamic gain parameter of amplifier corresponding with the color scheme；Based on induced voltage and dynamic gain parameter,
Generate fingerprint recognition image；Fingerprint recognition is carried out based on fingerprint recognition image.So as to realize fingerprint recognition work(in mobile terminal
Mobile terminal is set to realize that multicolour is shown during energy, it is ensured that the display effect of 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, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is one of mobile terminal structure schematic diagram in the prior art；
Fig. 2 is the two of mobile terminal structure schematic diagram in the prior art；
Fig. 3 is one of schematic flow sheet of fingerprint identification method provided in an embodiment of the present invention；
Fig. 4 is the two of the schematic flow sheet of fingerprint identification method provided in an embodiment of the present invention；
Fig. 5 is one of mobile terminal structure schematic diagram provided in an embodiment of the present invention；
Fig. 6 is the two of mobile terminal structure schematic diagram provided in an embodiment of the present invention；
Fig. 7 is to establish modular structure schematic diagram in mobile terminal provided in an embodiment of the present invention；
Fig. 8 is the three of mobile terminal structure schematic diagram provided in an embodiment of the present invention；
Fig. 9 is the four of mobile terminal structure schematic diagram provided in an embodiment of the present invention；
Figure 10 is the five of mobile terminal structure schematic diagram provided in an embodiment of the present invention.
Embodiment
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Unless otherwise defined, technical term or scientific terminology used herein should be in art of the present invention and had
The ordinary meaning that the personage of general technical ability is understood.Used in present patent application specification and claims " the
One ", " second " and similar word are not offered as any order, quantity or importance, and are used only to distinguish different
Part.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet, but represents to exist at least one.
" connection " either the similar word such as " connected " is not limited to physics or mechanical connection, but can include electrically
Connection, it is either directly or indirect." on ", " under ", "left", "right" etc. are only used for representing relative position relation, work as quilt
After the absolute position of description object changes, then the relative position relation also correspondingly changes.
The embodiments of the invention provide a kind of fingerprint identification method, and applied to mobile terminal, the mobile terminal includes touch-control
Screen, the touch screen include the light admitting aperture (specifically can be as shown in Figure 1, 2) being arranged between two neighboring pixel.
As shown in figure 3, this method can specifically include：
Step 301, when user touches touch screen, the light ray energy based on user's finger reflection generates induced voltage, institute
It is the light that two neighboring pixel is sent to state light.
When mobile terminal realizes fingerprint identification function, the predeterminable area in mobile terminal touch screen is fingerprint identification area
Domain, when user touches the fingerprint recognition region using positions such as fingers, the light that the pixel in fingerprint recognition region is sent passes through
After crossing the different light paths reflection of crest, trough of user's finger fingerprint, connect by light set between touch screen adjacent pixel
Batter is received by the light fingerprint identification module set by touch screen, may be provided with the fingerprint identification module light sensitive diode,
The devices such as amplifier, simulation numeral electric pressure converter, induced voltage V is generated by sensing the light ray energy receivedin, and passing through
Amplifier produces identification voltage V after amplifying according to dynamic gain parameter nout, then by simulation numeral voltage conversion (ADC：
Analog-to-Digital Converter) etc. processing obtain light ray energy data, so as to form fingerprint recognition image, finally
Screen fingerprint identification function is realized by respective algorithms.
It is different from the unicity that fingerprint recognition region in the prior art shows color, in the embodiment of the present invention, touch screen refers to
Line identification region can realize that multicolour is shown, i.e., the color i.e. color that two neighboring pixel emits beam may be the same or different.
Touch screen involved by the embodiment of the present invention concretely Organic Light Emitting Diode (OLED：Organic Light-
Emitting Diode) touch screen etc., to this embodiment of the present invention and it is not particularly limited.
Structure of fingerprint identification module involved by the embodiment of the present invention etc. can be same as the prior art, no longer superfluous herein
State.
Step 302, the color scheme that two neighboring pixel emits beam is obtained.
Color combinations involved by the embodiment of the present invention concretely send out by the adjacent pixel set by a light admitting aperture both sides
Go out the combination of the color of light.If for example, the light color that the pixel on the upside of a light admitting aperture is sent is red, the light admitting aperture
The light color that the pixel of downside is sent is blueness, then the combination of the red and blueness is that the two neighboring pixel emits beam
Color scheme.
Step 303, based on the corresponding relation between the color scheme and dynamic gain parameter pre-established, it is determined that and color
The dynamic gain parameter of amplifier corresponding to combination.
In order to ensure fingerprint can be properly generated when multicolour display is realized in mobile terminal touch screen fingerprint recognition region
Identify image, induced voltage VinThe identification voltage V generated after amplifier amplifiesoutNeed to be more than or equal to pre-determined threshold level value
Vr, it could so meet level demand during fingerprint recognition.Therefore, increased in the embodiment of the present invention by adjusting the dynamic of amplifier
Beneficial parameter n final setting numerical value is so that identification voltage VoutMeet level demand during fingerprint recognition.
Because the light ray energy of user's finger reflection is related to the color of light, and the light for passing through a light admitting aperture includes
The light that the different pixels that the light admitting aperture both sides are set are sent, therefore, the adjacent pixel in a light admitting aperture both sides emits beam
Color scheme determine the energy of the light by light admitting aperture, namely determine based on the light ray energy generation induced electricity
Press Vin。
Therefore, color scheme that two neighboring pixel emits beam and amplifier can be pre-established in the embodiment of the present invention
Corresponding relation between dynamic gain parameter n, so, when multicolour display is realized in touch screen fingerprint recognition region, it need to only obtain
The color scheme that two pixels for taking a light admitting aperture both sides adjacent emit beam, by inquire about the color scheme that pre-establishes with
Corresponding relation between dynamic gain parameter n is the dynamic gain parameter n that can determine that amplifier corresponding to the color scheme, subsequently
Amplifier be can control by induced voltage VinThe dynamic gain parameter n obtained according to inquiry is amplified processing, is referred to generating satisfaction
Line identifies the identification voltage V of level demandout。
In one embodiment, the embodiment of the present invention is provided fingerprint identification method is being reflected based on user's finger
Before light generation induced voltage, it can also specifically include：
The corresponding relation established between color scheme and dynamic gain parameter.
The step of corresponding relation established between color scheme and dynamic gain parameter, can specifically include：
Step a, determine the color scheme that two neighboring pixel emits beam.
Mobile terminal touch screen fingerprint recognition region may show m kind colors, each light when realizing multicolour display
The color that two adjacent pixels of receiver hole both sides emit beam can also have the quantity of identical or different multicolour combination
S。
It is every in fingerprint recognition region when the light color that any two pixel in fingerprint recognition region is shown is inconsistent
The light ray energy combination that individual reception unthreaded hole obtains can have altogether C (m, 2) kinds, i.e., select 2 kinds to carry out color alignments from m kind colors
Combination, may be present altogether A (m, 2)=m！/(m-2)！Kind color scheme mode is color scheme quantity.
It is each in fingerprint recognition region when the light color that any two pixel in fingerprint recognition region is shown is consistent
Shared C (m, the 1) kinds of light ray energy combination one that light admitting aperture obtains, i.e., carry out identical face from m kind Colour selection a certain kind color
Colour cell is closed, shared A (m, 1)=m！/(m-1)！Kind color scheme mode.
So, quantity S=A (m, 2)+A (m, the 1)=m for the color scheme that two neighboring pixel emits beam！/(m-2)！+
m！/(m-1)！；Wherein, number of colours present in images of the m shown by mobile terminal touch screen fingerprint recognition region, A (m,
2) the not simultaneous color scheme quantity of color to be emitted beam for two neighboring pixel, A (m, 1) send out for two neighboring pixel
Go out the mutually simultaneous color scheme quantity of color of light.
Step b, dynamic gain parameter corresponding to each color scheme is determined, wherein, when two neighboring pixel sends light
When the color scheme of line is the first color scheme, the induced voltage V of the light ray energy generation based on user's finger reflectioninPut
Big device is more than or equal to pre-determined threshold level value Vr according to the numerical value after dynamic gain parameter n amplifications corresponding to the first color scheme.
After multicolour combination that may be present between two neighboring pixel is determined, it may be determined that each color group
The dynamic gain parameter n of amplifier corresponding to conjunction.
The operating process of the step specifically can be regarded as checking procedure, i.e., when the color group that two neighboring pixel emits beam
When being combined into S1, by corresponding verification operation, dynamic gain parameter n1 corresponding to color scheme S1, dynamic gain ginseng are determined
Number n1 can ensure that the induced voltage V generated based on light ray energy C1 corresponding to color scheme S1inIt is dynamic according to this in exaggerated device
State gain parameter n1 is amplified the numerical value obtained after processing and is more than or equal to pre-determined threshold level value Vr, even if color scheme S1
Corresponding identification voltage VoutMeet level demand during fingerprint recognition.
Step c, the corresponding relation established between each color scheme and corresponding dynamic gain parameter.
The dynamic gain parameter n corresponding to all color scheme modes that may be present between two neighboring pixel is obtained
Afterwards, color scheme and the corresponding relations of dynamic gain parameter n between the two can be established, and the correspondence relationship information is stored in
In memory set by mobile terminal.So, can by inquire about the color scheme of memory storage and dynamic gain parameter n it
Between correspondence relationship information, it is determined that dynamic gain parameter n corresponding with the color scheme of acquisition.
In the another specific embodiment of the present invention, can also build color scheme, light ray energy corresponding to the color scheme,
And corresponding relation between dynamic gain parameter n three corresponding to the color scheme and stored.
Step 304, based on induced voltage and dynamic gain parameter, fingerprint recognition image is generated.
Obtaining induced voltage VinAnd after dynamic gain parameter n, amplifier is can control by induced voltage VinPress
The dynamic gain parameter n determined according to step 303 is amplified processing, with generation identification voltage Vout, turn by simulation numeral voltage
The processing such as change and obtain light ray energy data, so as to form fingerprint recognition image.
Step 305, fingerprint recognition is carried out based on fingerprint recognition image.
The step can specifically will not be repeated here similarly to the prior art.
More than fingerprint identification method provided in an embodiment of the present invention, by when user touches touch screen, based on user's hand
The light ray energy generation induced voltage of digital reflex, the light is the light that two neighboring pixel is sent；Obtain two neighboring picture
The color scheme that element emits beam；Based on the corresponding relation between the color scheme and dynamic gain parameter pre-established, it is determined that
The dynamic gain parameter of amplifier corresponding with the color scheme；Based on induced voltage and dynamic gain parameter, fingerprint is generated
Identify image；Fingerprint recognition is carried out based on fingerprint recognition image.So as to make shifting when mobile terminal realizes fingerprint identification function
Dynamic terminal realizes that multicolour is shown, it is ensured that the display effect of mobile terminal.
The embodiment of the present invention additionally provides a kind of fingerprint identification method, as shown in figure 4, this method can specifically include：
Step 401, the color scheme that two neighboring pixel emits beam is determined.
In the embodiment of the present invention, quantity S=A (m, 2)+A (m, 1) of the color scheme that two neighboring pixel emits beam=
m！/(m-2)！+m！/(m-1)！；Wherein, m is color present in the image shown by mobile terminal touch screen fingerprint recognition region
Color quantity, A (m, 2) are the not simultaneous color scheme quantity of color that two neighboring pixel emits beam, and A (m, 1) is phase
The mutually simultaneous color scheme quantity of color that adjacent two pixels emit beam.
Step 402, dynamic gain parameter corresponding to each color scheme is determined, wherein, when two neighboring pixel is sent
When the color scheme of light is the first color scheme, the induced voltage V of the light ray energy generation based on user's finger reflectioninIn quilt
Amplifier is more than or equal to pre-determined threshold level value Vr according to the numerical value after dynamic gain parameter amplification corresponding to the first color scheme.
The operating process of the step specifically can be regarded as checking procedure, i.e., when the color group that two neighboring pixel emits beam
When being combined into S1, by corresponding verification operation, dynamic gain parameter n1 corresponding to color scheme S1, dynamic gain ginseng are determined
Number n1 can ensure that the induced voltage V generated based on light ray energy C1 corresponding to color scheme S1inIt is dynamic according to this in exaggerated device
State gain parameter n1 is amplified the numerical value obtained after processing and is more than or equal to pre-determined threshold level value Vr, even if color scheme S1
Corresponding identification voltage VoutMeet level demand during fingerprint recognition.
Step 403, the corresponding relation established between each color scheme and corresponding dynamic gain parameter.
Amplifier dynamic gain corresponding to all color scheme that may be present is joined between two neighboring pixel is obtained
After number, corresponding relation between the two can be established, and the correspondence relationship information is stored in the storage set by mobile terminal
In device.
Step 404, when user touches touch screen, the light ray energy based on user's finger reflection generates induced voltage.
The light is the light that sends of two neighboring pixel, and the color that two neighboring pixel emits beam is identical or not
Together.
Step 405, the color scheme that two neighboring pixel emits beam is obtained.
Color combinations involved by the embodiment of the present invention concretely send out by the adjacent pixel set by a light admitting aperture both sides
Go out the combination of the color of light.If for example, the light color that the pixel on the upside of a light admitting aperture is sent is red, the light admitting aperture
The light color that the pixel of downside is sent is blueness, then the combination of the red and blueness is that the two neighboring pixel emits beam
Color scheme.
Step 406, based on the corresponding relation between color scheme and dynamic gain parameter, it is determined that corresponding with color scheme
The dynamic gain parameter of amplifier.
Increased in the embodiment of the present invention by inquiring about the dynamic of color scheme that two neighboring pixel emits beam and amplifier
Corresponding relation between beneficial parameter n, so, when multicolour display is realized in touch screen fingerprint recognition region, only it need to obtain a light
The color scheme that two adjacent pixels of receiver hole both sides emit beam, increased by inquiring about the color scheme pre-established with dynamic
Corresponding relation between beneficial parameter n is the dynamic gain parameter n that can determine that amplifier corresponding to the color scheme, follow-up controllable
Amplifier is by induced voltage VinThe dynamic gain parameter n obtained according to inquiry is amplified processing, meets fingerprint recognition with generation
The identification voltage V of level demandout。
Step 407, based on induced voltage and dynamic gain parameter, fingerprint recognition image is generated.
Obtaining induced voltage VinAnd after the dynamic gain parameter n of amplifier, controllable amplifier senses this
Voltage VinThe dynamic gain parameter n determined according to step 303 is amplified processing, with generation identification voltage Vout, by simulating number
The processing such as word voltage conversion obtain light ray energy data, so as to form fingerprint recognition image.
Step 408, fingerprint recognition is carried out based on fingerprint recognition image.
Fingerprint identification method provided in an embodiment of the present invention can make shifting when mobile terminal realizes fingerprint identification function above
Dynamic terminal realizes that multicolour is shown, it is ensured that the display effect of mobile terminal.
The embodiment of the present invention additionally provides a kind of mobile terminal 500, and the mobile terminal 500 specifically may include touch screen, should
Touch screen includes the light admitting aperture being arranged between two neighboring pixel.
As shown in figure 5, mobile terminal 500 specifically may also include：
First generation module 510, for when user touches touch screen, the light ray energy based on user's finger reflection to generate
Induced voltage Vin, the light is the light that two neighboring pixel is sent；
Acquisition module 520, the color scheme to be emitted beam for obtaining two neighboring pixel；
Determining module 530, for based on the corresponding relation between the color scheme and dynamic gain parameter n pre-established,
It is determined that the dynamic gain parameter n of amplifier corresponding with the color scheme that acquisition module 520 obtains；
Second generation module 540, for the induced voltage V generated based on the first generation module 510inWith determining module 530
The dynamic gain parameter n of determination, generate fingerprint recognition image；
Identification module 550, the fingerprint recognition image for being generated based on the second generation module 540 carry out fingerprint recognition.
In one embodiment, as shown in fig. 6, mobile terminal 500 can also specifically include：
Module 560 is established, for establishing the corresponding relation between color scheme and dynamic gain parameter n.
In one embodiment, as shown in fig. 7, establishing module 560 can specifically include：
First determining unit 561, the color scheme to be emitted beam for determining two neighboring pixel；
Second determining unit 562, dynamic corresponding to each color scheme determined for determining the first determining unit 561
Gain parameter n, wherein, when the color scheme that two neighboring pixel emits beam is the first color scheme, based on user's finger
The induced voltage V of the light ray energy generation of reflectioninPut in exaggerated device according to dynamic gain parameter n corresponding to the first color scheme
Numerical value after big is more than or equal to pre-determined threshold level value Vr；
Unit 563 is established, for establishing each color scheme and the second determining unit of the determination of the first determining unit 561
Corresponding relation between the 562 corresponding dynamic gain parameter n determined.
In the embodiment of the present invention, quantity S=A (m, 2)+A (m, 1) of the color scheme that two neighboring pixel emits beam=
m！/(m-2)！+m！/(m-1)！；Wherein, m is color present in the image shown by mobile terminal touch screen fingerprint recognition region
Color quantity, A (m, 2) are the not simultaneous color scheme quantity of color that two neighboring pixel emits beam, and A (m, 1) is phase
The mutually simultaneous color scheme quantity of color that adjacent two pixels emit beam.
In one embodiment, as shown in figure 8, mobile terminal 500 can also specifically include：
Memory 570, established for storing corresponding between the color scheme of the foundation of module 560 and dynamic gain parameter n
Relation information.
Determining module 530 specifically can be by inquiring about between color scheme and the dynamic gain parameter n of the storage of memory 570
Correspondence relationship information, it is determined that dynamic gain parameter n corresponding with the color scheme that acquisition module 520 obtains.
Mobile terminal 500 provided in an embodiment of the present invention can realize that mobile terminal is real in Fig. 3, Fig. 4 embodiment of the method
Existing each process, to avoid repeating, is repeated no more here.
The embodiments of the present invention provide mobile terminal 500, by when user touch touch screen when, based on user's finger
The light ray energy generation induced voltage of reflection, the light is the light that two neighboring pixel is sent；Obtain two neighboring pixel
The color scheme to emit beam；Based on the corresponding relation between the color scheme and dynamic gain parameter pre-established, it is determined that with
The dynamic gain parameter of amplifier corresponding to the color scheme；Based on induced voltage and dynamic gain parameter, generation fingerprint is known
Other image；Fingerprint recognition is carried out based on fingerprint recognition image.So as to make movement when mobile terminal realizes fingerprint identification function
Terminal realizes that multicolour is shown, it is ensured that the display effect of mobile terminal.
The embodiment of the present invention also provides a kind of mobile terminal, including processor, memory, and storage is on a memory and can be
The computer program run on the processor, the computer program realize the embodiments of the present invention institute when being executed by processor
Each process of the fingerprint identification method embodiment of offer, and identical technique effect can be reached, to avoid repeating, here no longer
Repeat.
The embodiment of the present invention also provides a kind of computer-readable recording medium, and meter is stored with computer-readable recording medium
Calculation machine program, the computer program realize that the fingerprint identification method that the embodiments of the present invention are provided is real when being executed by processor
Each process of example is applied, and identical technique effect can be reached, to avoid repeating, is repeated no more here.Wherein, described calculating
Machine readable storage medium storing program for executing, such as read-only storage (Read-Only Memory, abbreviation ROM), random access memory (Random
Access Memory, abbreviation RAM), magnetic disc or CD etc..
Fig. 9 is the block diagram of the mobile terminal 900 of another embodiment of the present invention.Mobile terminal 900 shown in Fig. 9 includes：
At least one processor 901, memory 902, at least one network interface 904, user interface 903.It is each in mobile terminal 900
Individual component is coupled by bus system 905.It is understood that bus system 905 is used to realize the connection between these components
Communication.Bus system 905 is in addition to including data/address bus, in addition to power bus, controlling bus and status signal bus in addition.But
For the sake of clear explanation, various buses are all designated as bus system 905 in fig.9.
Wherein, user interface 903 can include display, keyboard or pointing device (for example, mouse, trace ball
(trackball), touch-sensitive plate or touch-screen etc..
It is appreciated that the memory 902 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Or it may include both volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable PROM, EPROM), Electrically Erasable Read Only Memory (Electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), and it is used as outside high
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (Synch link DRAM, SLDRAM) and direct rambus random access memory (Direct
Rambus RAM, DRRAM).The memory 902 of system and method described herein be intended to including but not limited to these and it is any its
It is adapted to the memory of type.
In some embodiments, memory 902 stores following element, can perform module or data structure, or
Their subset of person, or their superset：Operating system 9021 and application program 9022.
Wherein, operating system 9021, comprising various system programs, such as ccf layer, core library layer, driving layer etc., it is used for
Realize various basic businesses and the hardware based task of processing.Application program 9022, include various application programs, such as media
Player (Media Player), browser (Browser) etc., for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 9022.
In embodiments of the present invention, mobile terminal 900 also includes：It is stored on memory 902 and can be on processor 901
The computer program of operation, can be the computer program in application program 9022, computer program is by processor specifically
901 realize following steps when performing：When user touches touch screen, the light ray energy based on user's finger reflection generates induced electricity
Pressure, the light are the light that two neighboring pixel is sent；Obtain the color scheme that two neighboring pixel emits beam；Based on pre-
Corresponding relation between the color scheme and dynamic gain parameter first established, it is determined that the dynamic of amplifier corresponding with color scheme
Gain parameter；Based on induced voltage and dynamic gain parameter, fingerprint recognition image is generated；Fingerprint is carried out based on fingerprint recognition image
Identification.
The method that the embodiments of the present invention disclose can apply in processor 901, or be realized by processor 901.
Processor 901 is probably a kind of IC chip, has the disposal ability of signal.In implementation process, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 901 or the instruction of software form.Above-mentioned processing
Device 901 can be general processor, digital signal processor (Digital Signal Processor, DSP), special integrated electricity
Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) either other PLDs, discrete gate or transistor logic,
Discrete hardware components.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general
Processor can be microprocessor or the processor can also be any conventional processor etc..With reference to institute of the embodiment of the present invention
The step of disclosed method, can be embodied directly in hardware decoding processor and perform completion, or with the hardware in decoding processor
And software module combination performs completion.Software module can be located at random access memory, flash memory, read-only storage, may be programmed read-only
In the ripe storage medium in this area such as memory or electrically erasable programmable memory, register.The storage medium is located at
Memory 902, processor 901 read the information in memory 902, with reference to the step of its hardware completion above method.
It is understood that embodiments described herein can use hardware, software, firmware, middleware, microcode or its
Combine to realize.Realized for hardware, processing unit can be realized in one or more application specific integrated circuit (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for performing the application function or its combination.
Realize, can be realized herein by performing the module (such as process, function etc.) of function described herein for software
Described technology.Software code is storable in memory and passes through computing device.Memory can within a processor or
Realized outside processor.
Optionally, following steps can be also realized when computer program is performed by processor 901：Establish color scheme and dynamic
Corresponding relation between gain parameter.
Optionally, following steps can be also realized when computer program is performed by processor 901：Determine two neighboring pixel hair
Go out the color scheme of light；Dynamic gain parameter corresponding to each color scheme is determined, wherein, when two neighboring pixel is sent
When the color scheme of light is the first color scheme, the induced voltage of the light ray energy generation based on user's finger reflection is being put
Big device is more than or equal to pre-determined threshold level value according to the numerical value after dynamic gain parameter amplification corresponding to the first color scheme；Establish
Corresponding relation between each color scheme and corresponding dynamic gain parameter；The color scheme that two neighboring pixel emits beam
Quantity S=A (m, 2)+A (m, 1)=m！/(m-2)！+m！/(m-1)！；Wherein, m is mobile terminal touch screen fingerprint identification area
Number of colours present in image shown by domain, A (m, 2) are that the color that two neighboring pixel emits beam is not simultaneous
Color scheme quantity, A (m, 1) are the mutually simultaneous color scheme quantity of color that two neighboring pixel emits beam.
Optionally, following steps can be also realized when computer program is performed by processor 901：By inquiring about memory 902
Correspondence relationship information between the color scheme and dynamic gain parameter of storage, it is determined that dynamic gain corresponding with color scheme is joined
Number.
Mobile terminal 900 can realize each process that mobile terminal 500 is realized in previous embodiment, to avoid repeating,
Here repeat no more.
Mobile terminal 900 provided in an embodiment of the present invention can make mobile terminal when mobile terminal realizes fingerprint identification function
Realize that multicolour is shown, it is ensured that the display effect of mobile terminal.
Figure 10 is the structural representation of the mobile terminal 1000 of another embodiment of the present invention.Specifically, the shifting in Figure 10
Dynamic terminal 1000 can be mobile phone, tablet personal computer, personal digital assistant (Personal Digital Assistant, PDA) or
Vehicle-mounted computer etc..
Mobile terminal 1000 in Figure 10 include radio frequency (Radio Frequency, RF) circuit 1010, memory 1020,
Input block 1030, display unit 1040, processor 1060, voicefrequency circuit 1070, WiFi (Wireless Fidelity) module
1080th, power supply 1090.
Wherein, input block 1030 is available for the numeral or character information for receiving user's input, and generation and movement are eventually
The signal input that the user at end 1000 is set and function control is relevant.Specifically, in the embodiment of the present invention, the input block
1030 can include contact panel 1031.Contact panel 1031, also referred to as touch-screen, collect user's touching on or near it
Operation (for example user uses the operations of any suitable object or annex on contact panel 1031 such as finger, stylus) is touched, and
Corresponding attachment means are driven according to formula set in advance.Optionally, contact panel 1031 may include touch detecting apparatus and
Two parts of touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect the letter that touch operation is brought
Number, transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into
Contact coordinate, then give the processor 1060, and the order sent of reception processing device 1060 and can be performed.Furthermore, it is possible to
Contact panel 1031 is realized using polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves.Except contact panel
1031, input block 1030 can also include other input equipments 1032, and other input equipments 1032 can include but is not limited to
One kind or more in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc.
Kind.
Wherein, display unit 1040 can be used for display by the information of user's input or be supplied to information and the movement of user
The various menu interfaces of terminal 1000.Display unit 1040 may include display panel 1041, optionally, can use LCD or have
The forms such as machine light emitting diode (Organic Light-Emitting Diode, OLED) configure display panel 1041.
It should be noted that contact panel 1031 can cover display panel 1041, touch display screen is formed, when the touch display screen
After detecting the touch operation on or near it, processor 1060 is sent to determine the type of touch event, is followed by subsequent processing
Device 1060 provides corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and conventional control viewing area.The Application Program Interface viewing area
And arrangement mode of the conventional control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious
Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with
The interface element such as the icon comprising at least one application program and/or widget desktop controls.The Application Program Interface viewing area
It can also be the empty interface not comprising any content.The conventional control viewing area is used to show the higher control of utilization rate, for example,
Application icons such as settings button, interface numbering, scroll bar, phone directory icon etc..
Wherein processor 1060 is the control centre of mobile terminal 1000, utilizes various interfaces and connection whole mobile phone
Various pieces, by running or performing the software program and/or module that are stored in first memory 1021, and call and deposit
The data in second memory 1022 are stored up, perform the various functions and processing data of mobile terminal 1000, so as to mobile whole
End 1000 carries out integral monitoring.Optionally, processor 1060 may include one or more processing units.
In the embodiment of the present invention, mobile terminal 1000 also includes：It is stored on memory 1020 and can be in processor 1060
The computer program of upper operation, computer program realize following steps when being performed by processor 1060：When user touches touch screen
When, the light ray energy based on user's finger reflection generates induced voltage, and the light is the light that two neighboring pixel is sent；Obtain
The color scheme for taking two neighboring pixel to emit beam；Based on pair between the color scheme and dynamic gain parameter pre-established
It should be related to, it is determined that the dynamic gain parameter of amplifier corresponding with color scheme；It is raw based on induced voltage and dynamic gain parameter
Into fingerprint recognition image；Fingerprint recognition is carried out based on fingerprint recognition image.
Optionally, following steps can be also realized when computer program is performed by processor 1060：Color scheme is established with moving
Corresponding relation between state gain parameter.
Optionally, following steps can be also realized when computer program is performed by processor 1060：Determine two neighboring pixel
The color scheme to emit beam；Dynamic gain parameter corresponding to each color scheme is determined, wherein, when two neighboring pixel is sent out
When the color scheme for going out light is the first color scheme, the induced voltage of the light ray energy generation based on user's finger reflection is in quilt
Amplifier is more than or equal to pre-determined threshold level value according to the numerical value after dynamic gain parameter amplification corresponding to the first color scheme；Build
Vertical corresponding relation between each color scheme and corresponding dynamic gain parameter；The color group that two neighboring pixel emits beam
Quantity S=A (m, 2)+A (m, 1)=m of conjunction！/(m-2)！+m！/(m-1)！；Wherein, m is mobile terminal touch screen fingerprint recognition
Number of colours present in image shown by region, A (m, 2) exist when being the color difference that two neighboring pixel emits beam
Color scheme quantity, A (m, 1) is the mutually simultaneous color scheme quantity of color that emits beam of two neighboring pixel.
Optionally, following steps can be also realized when computer program is performed by processor 1060：By inquiring about memory
Correspondence relationship information between the color scheme and dynamic gain parameter of 1020 storages, it is determined that corresponding with color scheme dynamically increase
Beneficial parameter.
Mobile terminal 1000 can realize each process that mobile terminal 500 is realized in previous embodiment, to avoid repeating,
Here repeat no more.
Mobile terminal 1000 provided in an embodiment of the present invention can make mobile whole when mobile terminal realizes fingerprint identification function
Realize that multicolour is shown in end, it is ensured that the display effect of mobile terminal.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Other identical element also be present in the process of key element, method, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal (can be mobile phone, computer, service
Device, air conditioner, or network equipment etc.) perform method described in each embodiment of the present invention.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, belong within the protection of the present invention.
Claims (12)
1. a kind of fingerprint identification method, applied to mobile terminal, the mobile terminal includes touch screen, and the touch screen includes setting
The light admitting aperture being placed between two neighboring pixel；Characterized in that, methods described includes：
When user touches the touch screen, the light ray energy based on user's finger reflection generates induced voltage, and the light is
The light that the two neighboring pixel is sent；
Obtain the color scheme that the two neighboring pixel emits beam；
Based on the corresponding relation between the color scheme and dynamic gain parameter pre-established, it is determined that corresponding with the color scheme
Amplifier dynamic gain parameter；
Based on the induced voltage and the dynamic gain parameter, fingerprint recognition image is generated；
Fingerprint recognition is carried out based on the fingerprint recognition image.
2. according to the method for claim 1, it is characterised in that methods described is in the light generation reflected based on user's finger
Before induced voltage, in addition to：
The corresponding relation established between color scheme and dynamic gain parameter.
3. according to the method for claim 2, it is characterised in that described to establish color scheme and amplifier dynamic gain parameter
Between corresponding relation the step of, including：
Determine the color scheme that two neighboring pixel emits beam；
Dynamic gain parameter corresponding to each color scheme is determined, wherein, when the color group that two neighboring pixel emits beam
When being combined into the first color scheme, the induced voltage that the light ray energy based on user's finger reflection generates is in exaggerated device according to described
Numerical value after dynamic gain parameter amplification corresponding to first color scheme is more than or equal to pre-determined threshold level value；
The corresponding relation established between each color scheme and corresponding dynamic gain parameter.
4. according to the method for claim 3, it is characterised in that the color scheme that the two neighboring pixel emits beam
Quantity S=A (m, 2)+A (m, 1)=m！/(m-2)！+m！/(m-1)！；
Wherein, m is number of colours present in the image shown by mobile terminal touch screen fingerprint recognition region, and A (m, 2) is phase
The not simultaneous color scheme quantity of color that adjacent two pixels emit beam, A (m, 1) are that two neighboring pixel emits beam
The mutually simultaneous color scheme quantity of color.
5. according to the method for claim 3, it is characterised in that the mobile terminal includes memory, for storing color
Correspondence relationship information between combination and dynamic gain parameter；
The corresponding relation based between the color scheme pre-established and dynamic gain parameter, it is determined that with the color scheme
The step of corresponding dynamic gain parameter, including：
By inquiring about the correspondence relationship information between the color scheme of the memory storage and dynamic gain parameter, it is determined that and institute
State dynamic gain parameter corresponding to color scheme.
6. a kind of mobile terminal, the mobile terminal includes touch screen, the touch screen include being arranged at two neighboring pixel it
Between light admitting aperture；Characterized in that, the mobile terminal also includes：
First generation module, for when user touches the touch screen, the light ray energy based on user's finger reflection to generate sense
Voltage is answered, the light is the light that the two neighboring pixel is sent；
Acquisition module, the color scheme to be emitted beam for obtaining the two neighboring pixel；
Determining module, for based on the corresponding relation between the color scheme and dynamic gain parameter pre-established, it is determined that and institute
State the dynamic gain parameter of amplifier corresponding to the color scheme of acquisition module acquisition；
Second generation module, induced voltage and the determining module for being generated based on first generation module determine dynamic
State gain parameter, generate fingerprint recognition image；
Identification module, the fingerprint recognition image for being generated based on second generation module carry out fingerprint recognition.
7. mobile terminal according to claim 6, it is characterised in that also include：
Module is established, for establishing the corresponding relation between color scheme and dynamic gain parameter.
8. mobile terminal according to claim 7, it is characterised in that the module of establishing includes：
First determining unit, the color scheme to be emitted beam for determining two neighboring pixel；
Second determining unit, dynamic gain ginseng corresponding to each color scheme determined for determining first determining unit
Number, wherein, when the color scheme that two neighboring pixel emits beam is the first color scheme, the light based on user's finger reflection
The induced voltage of heat input generation is after exaggerated device is according to dynamic gain parameter amplification corresponding to first color scheme
Numerical value is more than or equal to pre-determined threshold level value；
Unit is established, each color scheme and second determining unit for establishing the first determining unit determination are true
Corresponding relation between fixed corresponding dynamic gain parameter.
9. mobile terminal according to claim 8, it is characterised in that the color group that the two neighboring pixel emits beam
Quantity S=A (m, 2)+A (m, 1)=m of conjunction！/(m-2)！+m！/(m-1)！；
Wherein, m is number of colours present in the image shown by mobile terminal touch screen fingerprint recognition region, and A (m, 2) is phase
The not simultaneous color scheme quantity of color that adjacent two pixels emit beam, A (m, 1) are that two neighboring pixel emits beam
The mutually simultaneous color scheme quantity of color.
10. mobile terminal according to claim 8, it is characterised in that also include：
Memory, for storing the corresponding relation letter between the color scheme and dynamic gain parameter for establishing module foundation
Breath；
The determining module is by inquiring about the corresponding relation between the color scheme of the memory storage and dynamic gain parameter
Information, it is determined that dynamic gain parameter corresponding with the color scheme that the acquisition module obtains.
A kind of 11. mobile terminal, it is characterised in that including：Processor, memory and it is stored on the memory and can be in institute
The computer program run on processor is stated, the computer program is realized such as claim 1 to 5 during the computing device
Any one of fingerprint identification method the step of.
12. a kind of computer-readable recording medium, it is characterised in that be stored with computer on the computer-readable recording medium
Program, the fingerprint identification method as any one of claim 1 to 5 is realized when the computer program is executed by processor
The step of.
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