CN108229372A - Fingerprint identification method, mobile terminal and computer readable storage medium - Google Patents
Fingerprint identification method, mobile terminal and computer readable storage medium Download PDFInfo
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- CN108229372A CN108229372A CN201711472119.9A CN201711472119A CN108229372A CN 108229372 A CN108229372 A CN 108229372A CN 201711472119 A CN201711472119 A CN 201711472119A CN 108229372 A CN108229372 A CN 108229372A
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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
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/143—Sensing or illuminating at different wavelengths
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Abstract
The invention discloses a kind of fingerprint identification method, this method is applied to mobile terminal, and the mobile terminal includes optical fingerprint identification module, and this method includes：When the touch control operation for detecting the mobile terminal touch area, colour temperature and the brightness of current environment light are obtained；Colour temperature and preset color temperature range, the brightness of the current environment light and predetermined luminance range of the current environment light are compared respectively, obtain comparison result；According to the comparison result, the color of the optical fingerprint identification module setting finger scan light is controlled, and the finger scan light color based on the setting carries out fingerprint collecting and identification.The invention also discloses a kind of mobile terminal and computer readable storage mediums.The present invention can improve the speed of fingerprint collecting and identification, so as to promote user experience.
Description
Technical field
The present invention relates to a kind of technical field of mobile terminals more particularly to fingerprint identification method, mobile terminal and computers
Readable storage medium storing program for executing.
Background technology
With the development of science and technology mobile terminal has had fingerprint identification function, for unlocking, mobile payment etc..Optics refers to
Line identification technology has many advantages, such as that stability is good, is the widely used fingerprint identification technology of mobile terminal, and principle is：It is mobile whole
The optical fingerprint identification module transmitting finger scan light at end, finger scan light have the display screen surface of fingerprint by touch,
It is reflected on optical fingerprint identification module, the finger scan light that optical fingerprint identification module receives reflection is converted into fingerprint image
Picture realizes fingerprint collecting and identification.At present, the finger scan light of optical fingerprint identification module transmitting only has a kind of color, easily
It is influenced by external environment light, fingerprint collecting is caused to slow with what is identified, user experience is bad.
Invention content
It is a primary object of the present invention to provide a kind of fingerprint identification method, mobile terminal and computer-readable storage medium
Matter, it is intended to solve the optical fingerprint identification module of existing mobile terminal, the finger scan light color of transmitting is single, easily by the external world
The technical issues of ambient light interferes, and fingerprint collecting is caused to slow with what is identified, and user experience is bad.
To achieve the above object, the present invention provides a kind of fingerprint identification method, and the fingerprint identification method is applied to movement
Terminal, the mobile terminal include optical fingerprint identification module, the method includes：
When the touch control operation for detecting the mobile terminal touch area, the colour temperature of current environment light and bright is obtained
Degree；
Compare respectively the current environment light colour temperature and preset color temperature range, the current environment light brightness and
Predetermined luminance range obtains comparison result；
According to the comparison result, the color of the optical fingerprint identification module setting finger scan light, and base are controlled
Fingerprint collecting and identification are carried out in the finger scan light color of the setting.
Optionally, it is described according to the comparison result, control the optical fingerprint identification module setting finger scan light
Color the step of include：
When the current environment light colour temperature is in the range of preset color temperature or, the brightness of the current environment light exists
When in predetermined luminance range, control the optical fingerprint identification module that the color of finger scan light is set as blue.
Optionally, it is described according to the comparison result, control the optical fingerprint identification module setting finger scan light
Color the step of, further include：
When the colour temperature of the current environment light is less than the brightness of preset color temperature lower limiting value or, the current environment light
During more than predetermined luminance upper limit value, control the optical fingerprint identification module that the color of finger scan light is set as grey.
Optionally, it is described according to the comparison result, control the optical fingerprint identification module setting finger scan light
Color the step of, further include：
It is described according to the comparison result, control the color of the optical fingerprint identification module setting finger scan light
Step further includes：
When the colour temperature of the current environment light is more than the brightness of preset color temperature upper limit value or, the current environment light
During less than predetermined luminance lower limiting value, control the optical fingerprint identification module that the color of finger scan light is set as red.
Optionally, the finger scan light color based on the setting carries out fingerprint collecting and is wrapped the step of identification
It includes：
Finger scan light color based on the setting, when acquisition user is based on touch area progress touch control operation
Fingerprint image；
Judge whether the fingerprint in the fingerprint image is effective fingerprint；
If so, determine that fingerprint authentication passes through.
Optionally, the step of whether fingerprint judged in the fingerprint image is effective fingerprint includes：
Judge fingerprint in the fingerprint image whether with the fingerprint matching in preset authorization fingerprint base；
If so, judge that the fingerprint in the fingerprint image is effective fingerprint.
Optionally, it after the step of whether fingerprint judged in the fingerprint image is effective fingerprint, further includes：
If it is not, then send out the prompt message of fingerprint authentication failure.
Optionally, it is described when the touch control operation for detecting the mobile terminal touch area, obtain current environment light
Colour temperature and the step of brightness before, including：
It establishes and authorizes fingerprint base, the mandate fingerprint base includes several and authorizes fingerprint.
In addition, to achieve the above object, the present invention also provides a kind of mobile terminal, the mobile terminal includes：Memory,
Processor and the fingerprint recognition program that can be run on the memory and on the processor is stored in, the fingerprint recognition journey
Sequence realizes following steps when being performed by the processor：
When the touch control operation for detecting the mobile terminal touch area, the colour temperature of current environment light and bright is obtained
Degree；
Compare respectively the current environment light colour temperature and preset color temperature range, the current environment light brightness and
Predetermined luminance range obtains comparison result；
According to the comparison result, the color of the optical fingerprint identification module setting finger scan light, and base are controlled
Fingerprint collecting and identification are carried out in the finger scan light color of the setting.
In addition, to achieve the above object, it is described computer-readable the present invention also provides a kind of computer readable storage medium
Fingerprint recognition program is stored on storage medium, the fingerprint recognition program realizes following steps when being executed by processor：
When the touch control operation for detecting the mobile terminal touch area, the colour temperature of current environment light and bright is obtained
Degree；
Compare respectively the current environment light colour temperature and preset color temperature range, the current environment light brightness and
Predetermined luminance range obtains comparison result；
According to the comparison result, the color of the optical fingerprint identification module setting finger scan light, and base are controlled
Fingerprint collecting and identification are carried out in the finger scan light color of the setting.
The present invention obtains the colour temperature of current environment light when the touch control operation for detecting the mobile terminal touch area
And brightness；Compare respectively the current environment light colour temperature and preset color temperature range, the current environment light brightness and
Predetermined luminance range obtains comparison result；According to the comparison result, the optical fingerprint identification module setting fingerprint is controlled to sweep
The color of light is retouched, and the finger scan light color based on the setting carries out fingerprint collecting and identification.By the above-mentioned means,
Mobile terminal in the present invention can be according to current environment light colour temperature and brightness, control optical fingerprint identification module setting refers to
The color of line scanning ray makes the color of finger scan light more adapt to current environment light, avoids current environment light to referring to
The interference of line scanning ray, thus, it is possible to the speed of fingerprint collecting and identification be improved, so as to promote user experience.
Description of the drawings
A kind of hardware architecture diagram of Fig. 1 mobile terminals of each embodiment to realize the present invention；
Fig. 2 is a kind of communications network system Organization Chart provided in an embodiment of the present invention；
Fig. 3 is the flow diagram of fingerprint identification method first embodiment of the present invention；
Fig. 4 be the present embodiments relate to mobile terminal optical finger print recognition principle schematic diagram；
Fig. 5 is the refinement flow diagram of fingerprint identification method first embodiment of the present invention
Fig. 6 is the flow diagram of fingerprint identification method second embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In subsequent description, using for representing that the suffix of such as " module ", " component " or " unit " of element is only
Be conducive to the explanation of the present invention, itself there is no a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
Terminal can be implemented in a variety of manners.For example, terminal described in the present invention can include such as mobile phone, tablet
Computer, laptop, palm PC, personal digital assistant (Personal Digital Assistant, PDA), portable
The shiftings such as media player (Portable Media Player, PMP), navigation device, wearable device, Intelligent bracelet, pedometer
The dynamic fixed terminals such as terminal and number TV, desktop computer.
It will be illustrated by taking mobile terminal as an example in subsequent descriptions, it will be appreciated by those skilled in the art that in addition to special
For moving except the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Referring to Fig. 1, a kind of hardware architecture diagram of its mobile terminal of each embodiment to realize the present invention, the shifting
Dynamic terminal 100 can include：RF (Radio Frequency, radio frequency) unit 101, Wi-Fi module 102, audio output unit
103rd, A/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit
108th, the components such as memory 109, processor 110 and power supply 111.It will be understood by those skilled in the art that shown in Fig. 1
Mobile terminal structure does not form the restriction to mobile terminal, and mobile terminal can be included than illustrating more or fewer components,
Either combine certain components or different components arrangement.
The all parts of mobile terminal are specifically introduced with reference to Fig. 1：
Radio frequency unit 101 can be used for receive and send messages or communication process in, signal sends and receivees, specifically, by base station
Downlink information receive after, handled to processor 110；In addition, the data of uplink are sent to base station.In general, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, it penetrates
Frequency unit 101 can also communicate with network and other equipment by radio communication.Above-mentioned wireless communication can use any communication
Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division
Multiple Access, wideband code division multiple access), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, frequency division duplex long term evolution) and TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex long term evolution) etc..
WiFi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch electricity by WiFi module 102
Sub- mail, browsing webpage and access streaming video etc., it has provided wireless broadband internet to the user and has accessed.Although Fig. 1 shows
Go out WiFi module 102, but it is understood that, and must be configured into for mobile terminal is not belonging to, it completely can be according to need
It to be omitted in the range for the essence for not changing invention.
Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 100
Formula, speech recognition mode, broadcast reception mode when under isotypes, it is that radio frequency unit 101 or WiFi module 102 are received or
The audio data stored in memory 109 is converted into audio signal and exports as sound.Moreover, audio output unit 103
The relevant audio output of specific function performed with mobile terminal 100 can also be provided (for example, call signal receives sound, disappears
Breath receives sound etc.).Audio output unit 103 can include loud speaker, buzzer etc..
A/V input units 104 are used to receive audio or video signal.A/V input units 104 can include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the static images or the image data of video obtained in image capture mode by image capture apparatus (such as camera) carry out
Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited
Storage is sent in memory 109 (or other storage mediums) or via radio frequency unit 101 or WiFi module 102.Mike
Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042
Quiet down sound (audio data), and can be audio data by such acoustic processing.Audio that treated (voice) data can
To be converted to the form output that mobile communication base station can be sent to via radio frequency unit 101 in the case of telephone calling model.
Microphone 1042 can implement various types of noises elimination (or inhibition) algorithms and send and receive sound to eliminate (or inhibition)
The noise generated during frequency signal or interference.
Mobile terminal 100 further includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein, ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity sensor can close when mobile terminal 100 is moved in one's ear
Display panel 1061 and/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, size and the direction of gravity are can detect that when static, can be used to identify the application of mobile phone posture
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；
The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer,
The other sensors such as hygrometer, thermometer, infrared ray sensor, details are not described herein.
Display unit 106 is used to show by information input by user or be supplied to the information of user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode may be used
Display panel 1061 is configured in forms such as (Organic Light-Emitting Diode, OLED).
User input unit 107 can be used for receiving the number inputted or character information and generation and the use of mobile terminal
The key signals input that family is set and function control is related.Specifically, user input unit 107 may include touch panel 1071 with
And other input equipments 1072.Touch panel 1071, also referred to as touch screen collect user on it or neighbouring touch operation
(for example user uses any suitable objects such as finger, stylus or attachment on touch panel 1071 or in touch panel 1071
Neighbouring operation), and corresponding attachment device is driven according to preset formula.Touch panel 1071 may include touch detection
Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band
The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and by it
Contact coordinate is converted into, then gives processor 110, and the order that processor 110 is sent can be received and performed.It in addition, can
To realize touch panel 1071 using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel
1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can wrap
It includes but is not limited to physical keyboard, in function key (such as volume control button, switch key etc.), trace ball, mouse, operating lever etc.
It is one or more, do not limit herein specifically.
Further, touch panel 1071 can cover display panel 1061, when touch panel 1071 detect on it or
After neighbouring touch operation, processor 110 is sent to determine the type of touch event, is followed by subsequent processing device 110 according to touch thing
The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, touch panel 1071 and display panel
1061 be the component independent as two to realize the function that outputs and inputs of mobile terminal, but in certain embodiments, it can
The function that outputs and inputs of mobile terminal is realized so that touch panel 1071 and display panel 1061 is integrated, is not done herein specifically
It limits.
Interface unit 108 be used as at least one external device (ED) connect with mobile terminal 100 can by interface.For example,
External device (ED) can include wired or wireless head-band earphone port, external power supply (or battery charger) port, wired or nothing
Line data port, memory card port, the port for device of the connection with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Interface unit 108 can be used for receiving the input from external device (ED) (for example, number
It is believed that breath, electric power etc.) and the input received is transferred to one or more elements in mobile terminal 100 or can be with
For transmitting data between mobile terminal 100 and external device (ED).
Memory 109 can be used for storage software program and various data.Memory 109 can mainly include storing program area
And storage data field, wherein, storing program area can storage program area, application program (such as the sound needed at least one function
Sound playing function, image player function etc.) etc.；Storage data field can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 109 can include high-speed random access memory, can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part is stored in storage by running or performing the software program being stored in memory 109 and/or module and call
Data in device 109 perform the various functions of mobile terminal and processing data, so as to carry out integral monitoring to mobile terminal.Place
Reason device 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulatedemodulate is mediated
Device is managed, wherein, the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Mobile terminal 100 can also include the power supply 111 (such as battery) powered to all parts, it is preferred that power supply 111
Can be logically contiguous by power-supply management system and processor 110, so as to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
Although Fig. 1 is not shown, mobile terminal 100 can also be including bluetooth module etc., and details are not described herein.
Based on above-mentioned mobile terminal hardware configuration, each embodiment of mobile terminal of the present invention is proposed.
Fig. 1 is please referred to, in an embodiment of mobile terminal of the present invention, which includes：Memory 109, processing
Device 110 and it is stored in the fingerprint recognition program that can be run on the memory 109 and on the processor 110, the fingerprint
Recognizer realizes following steps when being performed by the processor 110：
When the touch control operation for detecting the mobile terminal touch area, the colour temperature of current environment light and bright is obtained
Degree；
Compare respectively the current environment light colour temperature and preset color temperature range, the current environment light brightness and
Predetermined luminance range obtains comparison result；
According to the comparison result, the color of the optical fingerprint identification module setting finger scan light, and base are controlled
Fingerprint collecting and identification are carried out in the finger scan light color of the setting.
Further, following steps are also realized when the fingerprint recognition program is performed by the processor 110：
When the current environment light colour temperature is in the range of preset color temperature or, the brightness of the current environment light exists
When in predetermined luminance range, control the optical fingerprint identification module that the color of finger scan light is set as blue.
Further, following steps are also realized when the fingerprint recognition program is performed by the processor 110：
When the colour temperature of the current environment light is less than the brightness of preset color temperature lower limiting value or, the current environment light
During more than predetermined luminance upper limit value, control the optical fingerprint identification module that the color of finger scan light is set as grey.
Further, following steps are also realized when the fingerprint recognition program is performed by the processor 110：
When the colour temperature of the current environment light is more than the brightness of preset color temperature upper limit value or, the current environment light
During less than predetermined luminance lower limiting value, control the optical fingerprint identification module that the color of finger scan light is set as red.
Further, following steps are also realized when the fingerprint recognition program is performed by the processor 110：
Finger scan light color based on the setting, when acquisition user is based on touch area progress touch control operation
Fingerprint image；
Judge whether the fingerprint in the fingerprint image is effective fingerprint；
If so, determine that fingerprint authentication passes through.
Further, following steps are also realized when the fingerprint recognition program is performed by the processor 110：
Judge fingerprint in the fingerprint image whether with the fingerprint matching in preset authorization fingerprint base；
If so, judge that the fingerprint in the fingerprint image is effective fingerprint.
Further, following steps are also realized when the fingerprint recognition program is performed by the processor 110：
If it is not, then send out the prompt message of fingerprint authentication failure.
Further, following steps are also realized when the fingerprint recognition program is performed by the processor 110：
It establishes and authorizes fingerprint base, the mandate fingerprint base includes several and authorizes fingerprint.
The specific embodiment of mobile terminal of the present invention and each specific embodiment of following fingerprint identification methods are essentially identical,
This is not repeated.
For the ease of understanding the embodiment of the present invention, below to the communications network system that is based on of mobile terminal of the present invention into
Row description.
Referring to Fig. 2, Fig. 2 is a kind of communications network system Organization Chart provided in an embodiment of the present invention, the communication network system
The LTE system united as universal mobile communications technology, the LTE system include the UE (User Equipment, the use that communicate connection successively
Family equipment) 201, E-UTRAN (Evolved UMTS Terrestrial Radio Access Network, evolved UMTS lands
Ground wireless access network) 202, EPC (Evolved Packet Core, evolved packet-based core networks) 203 and operator IP operation
204。
Specifically, UE201 can be above-mentioned terminal 100, and details are not described herein again.
E-UTRAN202 includes eNodeB2021 and other eNodeB2022 etc..Wherein, eNodeB2021 can be by returning
Journey (backhaul) (such as X2 interface) is connect with other eNodeB2022, and eNodeB2021 is connected to EPC203,
ENodeB2021 can provide the access of UE201 to EPC203.
EPC203 can include MME (Mobility Management Entity, mobility management entity) 2031, HSS
(Home Subscriber Server, home subscriber server) 2032, other MME2033, SGW (Serving Gate Way,
Gateway) 2034, PGW (PDN Gate Way, grouped data network gateway) 2035 and PCRF (Policy and
Charging Rules Function, policy and rate functional entity) 2036 etc..Wherein, MME2031 be processing UE201 and
The control node of signaling, provides carrying and connection management between EPC203.HSS2032 is all to manage for providing some registers
Such as the function of home location register (not shown) etc, and some are preserved in relation to use such as service features, data rates
The dedicated information in family.All customer data can be sent by SGW2034, and PGW2035 can provide the IP of UE 201
Address is distributed and other functions, and PCRF2036 is business data flow and the strategy of IP bearing resources and charging control strategic decision-making
Point, it selects and provides available strategy and charging control decision with charge execution function unit (not shown) for strategy.
IP operation 204 can include internet, Intranet, IMS (IP Multimedia Subsystem, IP multimedia
System) or other IP operations etc..
Although above-mentioned be described by taking LTE system as an example, those skilled in the art it is to be understood that the present invention not only
Suitable for LTE system, be readily applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA with
And following new network system etc., it does not limit herein.
Based on above-mentioned mobile terminal hardware configuration and communications network system, each reality of fingerprint identification method of the present invention is proposed
Apply example.
With reference to Fig. 3, fingerprint identification method first embodiment of the present invention provides a kind of fingerprint identification method, the method packet
It includes：
Step S10 when the touch control operation for detecting the mobile terminal touch area, obtains the color of current environment light
Mild brightness；
In embodiments of the present invention, which can be applied to smart mobile phone, tablet computer etc. with fingerprint knowledge
The mobile terminal device of other function, is particularly applicable in the scenes such as unlocking screen, mobile payment.Mobile end in the present embodiment
Using optical fingerprint identification technology, mobile terminal display screen is arranged with optical fingerprint identification module at end.Mobile terminal touches
Control region can be specific fingerprint recognition region, the regions such as home key ranges, mobile terminal display screen including mobile terminal.
With reference to Fig. 4, Fig. 4 is the optical finger print recognition principle schematic diagram of the present embodiment mobile terminal, i.e. optical finger print identifies
Module emits finger scan light, and finger scan light has the fingerprint recognition region surface of fingerprint by touch, is reflected into optics
On fingerprint identification module, the finger scan light that optical fingerprint identification module receives reflection is converted into fingerprint image, realizes fingerprint
Acquisition and identification.
In addition, the mobile terminal in the present embodiment further includes optical sensor, optical sensor can detect external environment
The colour temperature of light and brightness.
Colour temperature is a measurement unit for representing to include color component in light, and theoretically, colour temperature refers to absolutely black
The color that body is presented after being heated since absolute zero (- 273 DEG C), black matrix is gradually red by blacking after heated, turns Huang, hair
In vain, blue light is finally sent out, when being heated to certain temperature, the spectral component contained by light that black matrix is sent out is known as this temperature
Colour temperature under degree, measurement unit are K (kelvin degree).Therefore, colour temperature refers to the radiation of light source in visible region and absolutely black
The temperature of black matrix just claims the colour temperature of this light source when the radiation of body is identical.In other words, one group of spectrum can be generated during light source luminescent,
Required a certain temperature to be achieved when producing same spectrum with a black body, this temperature is exactly the colour temperature of the light source.
Different light sources has different colour temperatures, for example, the common color temperature of tungsten lamp (incandescent lamp) is 2800K；Halogen lamp and yellow light daylight
The common color temperature of lamp is 3000k；Moonlight, pale yellow smooth fluorescent lamp are 4100K；Daylight is 5000K；Most common white light daylight light color
Temperature is 6500K etc..When colour temperature is higher, the color that light source is sent out is more colder, generally undergo one it is red-orange red-
Yellow-yellowish-white-white-blue white progressive formation.The relationship of colour temperature and light color is as follows：
Colour temperature ＜ 3000K, light color are with red white；
Colour temperature is 3000K~5000K, and light color is white；
Colour temperature ＞ 5000K, light color are with blue white
Brightness represents the bright-dark degree of light, and the unit of light luminance is cd/m2Or nit, light under varying environment
Brightness value it is as follows：
Night：0.001~0.02cd/m2；
Moonlit night：0.02~0.3cd/m2；
Under noon summer sunlight：About 109cd/m2；
In fine day room：100~1000cd/m2；
It is cloudy indoor：5~50cd/m2
First, when the touch control operation for detecting touch area, colour temperature and the brightness of current environment light are obtained.
Specifically, when mobile terminal detects the touch control operation of touch area, front ring is worked as in triggering optical sensor detection
The colour temperature of border light and brightness, mobile terminal obtain the colour temperature of its current environment light detected and bright from optical sensor
Degree.
Step S20 compares the colour temperature of the current environment light and preset color temperature range, the current environment light respectively
Brightness and predetermined luminance range, obtain comparison result；
In the present embodiment, in order to avoid the finger scan light of optical fingerprint identification module transmitting is easy when color is single
Influenced by external environment light, the present embodiment can pre-set reference color temperature and brightness range, and based on reference color temperature and
Brightness range so that the optical fingerprint identification module in the present embodiment can be set according to the colour temperature of external environment light and brightness
The color of its scanning ray.Specifically, the brightness of light under the relationship and varying environment based on aforementioned colour temperature and light color
Value, pre-sets the correspondence between reference color temperature and reference color temperature and the finger scan light color of setting, brightness model
It encloses and the correspondence between brightness range and the finger scan light color of setting, for example, pre-set reference color temperature
Can be 3000~5000K, when the colour temperature of external environment light is in 3000~5000K, the scanning ray color of setting corresponds to
Blue, when the colour temperature of external environment light is less than 3000K, the scanning ray color of setting corresponds to grey, external environment light
When colour temperature is higher than 5000K, the scanning ray color of setting corresponds to red；Pre-set brightness range is 5~100cd/m2, outside
The brightness of boundary's ambient light is in 5~100cd/m2When interior, the scanning ray color of setting corresponds to blue, external environment light it is bright
Degree is less than 5cd/m2When, the scanning ray color of setting corresponds to red, and the brightness of external environment light is higher than 100cd/m2When, if
The scanning ray color put corresponds to grey.Certainly, light under the relationship and varying environment based on aforementioned colour temperature and light color
Brightness value, reference color temperature and brightness range can also be set as to other rational ranges, reference color temperature and the fingerprint of setting
Corresponding pass between correspondence and brightness range and the finger scan light color of setting between scanning ray color
System is also not limited to above-mentioned given correspondence.
Mobile terminal obtain current environment light colour temperature and brightness after, respectively compare current environment light colour temperature and
Preset color temperature range, the brightness of current environment light and predetermined luminance range, obtain comparison result.
Step S30 according to the comparison result, controls the face of the optical fingerprint identification module setting finger scan light
Color, and the finger scan light color based on the setting carries out fingerprint collecting and identification.
Later, mobile terminal is according to comparison result, based between reference color temperature and the finger scan light color of setting
Correspondence between correspondence and brightness range and the finger scan light color of setting, optical finger print to be controlled to know
The color of other module setting finger scan light.Specifically, in reference Fig. 5, step S30, step S300 is tied according to described compare
Fruit controls the color of the optical fingerprint identification module setting finger scan light, can include：
Step S31, when the colour temperature of the current environment light is in the range of preset color temperature or, the current environment light
Brightness in predetermined luminance range when, control the optical fingerprint identification module that the color of finger scan light is set as blue
Color；
Step S300 can also include：
Step S32, when the colour temperature of the current environment light is less than preset color temperature lower limiting value or, the current environment light
When the brightness of line is more than predetermined luminance upper limit value, control the optical fingerprint identification module that the color of finger scan light is set
For grey.
Step S300 can also include：
Step S33, when the colour temperature of the current environment light is more than preset color temperature upper limit value or, the current environment light
When the brightness of line is less than predetermined luminance lower limiting value, control the optical fingerprint identification module that the color of finger scan light is set
For red.
In the present embodiment, the relationship based on aforementioned colour temperature and light color, the brightness value of light, sets in advance under varying environment
The reference color temperature put is 3000~5000K, and brightness range is 5~100cd/m2, then it is current what is got in mobile terminal
After the colour temperature of ambient light and brightness, the colour temperature of current environment light and preset color temperature range, current environment light are compared respectively
Brightness and predetermined luminance range, if the colour temperature of current environment light in 3000~5000K, alternatively, current environment light
Brightness in 5~100cd/m2Interior, mobile terminal then controls optical fingerprint identification module to set the color of finger scan light
For blue；If the colour temperature of current environment light is less than 3000K, alternatively, the brightness of current environment light is more than 100cd/m2, move
Dynamic terminal then controls optical fingerprint identification module that the color of finger scan light is set as grey；If current environment light
Colour temperature is more than 5000K, alternatively, the brightness of current environment light is less than 5cd/m2, mobile terminal then control optical finger print identify mould
The color of finger scan light is set as red by block.
Optical fingerprint identification module can set the color of its finger scan light emitted by setting rgb value.No
Same rgb value corresponds to different light colors, and the rgb value of red scanning ray is #FF0000 (R=255, G=0, B=0), blue
The rgb value of color scanning ray is #0000FF (R=0, G=0, B=255), and the rgb value of gray scan light is #C0C0C0 (R=
192, G=192, B=192).For example, when the colour temperature of current environment light that acquisition for mobile terminal arrives be 1500K when, by than
To rear, the colour temperature of current environment light is less than 3000K, and rgb value is set as #C0C0C0 by optical fingerprint identification module at this time, that
Optical fingerprint identification module will emit the finger scan light of grey.
Colour temperature and brightness of the mobile terminal according to current environment light, control optical fingerprint identification module setting finger scan
After the color of light, control optical fingerprint identification module emits the scanning ray of the color, carries out fingerprint collecting and identification.
In the present embodiment, when the touch control operation for detecting the mobile terminal touch area, current environment light is obtained
The colour temperature of line and brightness；The colour temperature of the current environment light and preset color temperature range, the current environment light are compared respectively
Brightness and predetermined luminance range, obtain comparison result；According to the comparison result, the optical fingerprint identification module is controlled to set
The color of finger scan light is put, and the finger scan light color based on the setting carries out fingerprint collecting and identification.Pass through
Aforesaid way, the colour temperature and brightness that the mobile terminal in the present embodiment can be according to current environment light, control optical finger print are known
The color of other module setting finger scan light, makes the color of finger scan light more adapt to current environment light, avoids and work as
Interference of the preceding ambient light to finger scan light, thus, it is possible to the speed of fingerprint collecting and identification be improved, so as to promote user
Experience.
Further, with reference to Fig. 6, fingerprint identification method second embodiment of the present invention provides a kind of fingerprint identification method, step
In rapid S30, step S301, the finger scan light color based on the setting carries out fingerprint collecting and identification, can include：
Step S34, the finger scan light color based on the setting, acquisition user are touched based on the touch area
Fingerprint image during control operation；
Step S35 judges whether the fingerprint in the fingerprint image is effective fingerprint；
Step S36, if so, determining that fingerprint authentication passes through；
Step S37, if it is not, then sending out the prompt message of fingerprint authentication failure.
Wherein step S35 can include：Judge fingerprint in the fingerprint image whether in preset authorization fingerprint base
Fingerprint matching；If so, judge that the fingerprint in the fingerprint image is effective fingerprint.It accordingly, can be with before step S10
Including：It establishes and authorizes fingerprint base, the mandate fingerprint base includes several and authorizes fingerprint.
In the present embodiment, after the color of mobile terminal control optical fingerprint identification module setting finger scan light, control
Optical fingerprint identification module processed emits the scanning ray of the color, and under the scanning ray of the color, acquisition user is based on fingerprint
The fingerprint image of identification region；Then judge whether the fingerprint in fingerprint image is effective fingerprint, for this purpose, one can be pre-established
A mandate fingerprint base, which includes several and authorizes fingerprint, in mobile terminal is locally stored, authorizes fingerprint
There is the fingerprint of mobile terminal control authority, for example mobile terminal receives the left hand thumb fingerprint of user's typing and this is referred to
Line is authorized, and unlocking screen is carried out or during mobile payment subsequently through fingerprint recognition, user can by left hand thumb into
The input operation of row fingerprint.Mobile terminal may determine that whether the fingerprint in fingerprint image is authorized with preset in fingerprint base as a result,
Fingerprint matching, specifically, mobile terminal can by the fingerprint feature point in the image that takes the fingerprint, build fingerprint characteristic letter
Breath, digital signal is converted by fingerprint image, later matches digital signal with the fingerprint in preset mandate fingerprint base,
If it does, then judging the fingerprint for effective fingerprint, fingerprint authentication passes through, if it does not match, sending out fingerprint authentication failure
Prompt message prompts user to replace finger or carry out unlocking screen or mobile payment etc. using Password Input.
In the present embodiment, after the color of mobile terminal control optical fingerprint identification module setting finger scan light, control
Optical fingerprint identification module processed emits the scanning ray of the color, under the scanning ray of the color, complete fingerprint collecting and
Identification.
In addition, the embodiment of the present invention also proposes a kind of computer readable storage medium.
Fingerprint recognition program is stored on computer readable storage medium of the present invention, the fingerprint recognition program is by processor
Following operation is realized during execution：
When the touch control operation for detecting the mobile terminal touch area, the colour temperature of current environment light and bright is obtained
Degree；
Compare respectively the current environment light colour temperature and preset color temperature range, the current environment light brightness and
Predetermined luminance range obtains comparison result；
According to the comparison result, the color of the optical fingerprint identification module setting finger scan light, and base are controlled
Fingerprint collecting and identification are carried out in the finger scan light color of the setting.
Wherein, the specific embodiment that the fingerprint recognition program stored on computer storage media of the present invention is executed by processor
Essentially identical with each embodiment of above-mentioned fingerprint identification method, therefore not to repeat here.
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 system including a series of elements not only include those elements, and
And it further includes other elements that are not explicitly listed or further includes intrinsic for this process, method, article or system institute
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
Also there are other identical elements in the process of element, method, article or system.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
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 of the present invention substantially in other words does the prior art
Going out the part of contribution can be embodied in the form of software product, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), used including some instructions so that a station terminal equipment (can be mobile phone, computer takes
Be engaged in device, air conditioner or the network equipment etc.) perform method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of fingerprint identification method, which is characterized in that the fingerprint identification method is applied to mobile terminal, the mobile terminal
Including optical fingerprint identification module, the method includes：
When the touch control operation for detecting the mobile terminal touch area, colour temperature and the brightness of current environment light are obtained；
The colour temperature of the current environment light and preset color temperature range, the brightness of the current environment light and default are compared respectively
Brightness range obtains comparison result；
According to the comparison result, the color of the optical fingerprint identification module setting finger scan light is controlled, and based on institute
The finger scan light color for stating setting carries out fingerprint collecting and identification.
2. fingerprint identification method as described in claim 1, which is characterized in that it is described according to the comparison result, described in control
Optical fingerprint identification module sets the step of color of finger scan light to include：
When the current environment light colour temperature is in the range of preset color temperature or, the brightness of the current environment light is default
When in brightness range, control the optical fingerprint identification module that the color of finger scan light is set as blue.
3. fingerprint identification method as described in claim 1, which is characterized in that it is described according to the comparison result, described in control
Optical fingerprint identification module sets the step of color of finger scan light, further includes：
When the brightness that the colour temperature of the current environment light is less than preset color temperature lower limiting value or, the current environment light is more than
During predetermined luminance upper limit value, control the optical fingerprint identification module that the color of finger scan light is set as grey.
4. fingerprint identification method as described in claim 1, which is characterized in that it is described according to the comparison result, described in control
Optical fingerprint identification module sets the step of color of finger scan light, further includes：
When the brightness that the colour temperature of the current environment light is more than preset color temperature upper limit value or, the current environment light is less than
During predetermined luminance lower limiting value, control the optical fingerprint identification module that the color of finger scan light is set as red.
5. fingerprint identification method as described in claim 1, which is characterized in that the finger scan light based on the setting
Color carries out fingerprint collecting and includes the step of identification：
Finger scan light color based on the setting, acquisition user carry out finger during touch control operation based on the touch area
Print image；
Judge whether the fingerprint in the fingerprint image is effective fingerprint；
If so, determine that fingerprint authentication passes through.
6. fingerprint identification method as claimed in claim 5, which is characterized in that the fingerprint that judges in the fingerprint image is
It is no to include for the step of effective fingerprint：
Judge fingerprint in the fingerprint image whether with the fingerprint matching in preset authorization fingerprint base；
If so, judge that the fingerprint in the fingerprint image is effective fingerprint.
7. fingerprint identification method as claimed in claim 5, which is characterized in that the fingerprint that judges in the fingerprint image is
It is no be effective fingerprint the step of after, further include：
If it is not, then send out the prompt message of fingerprint authentication failure.
8. fingerprint identification method as described in claim 1, which is characterized in that described to detect the mobile terminal Touch Zone
During the touch control operation in domain, obtain the colour temperature of current environment light and the step of brightness before, including：
It establishes and authorizes fingerprint base, the mandate fingerprint base includes several and authorizes fingerprint.
9. a kind of mobile terminal, which is characterized in that the mobile terminal includes：Memory, processor and it is stored in the storage
It is real when the fingerprint recognition program is performed by the processor on device and the fingerprint recognition program that can run on the processor
Existing following steps：
When the touch control operation for detecting the mobile terminal touch area, colour temperature and the brightness of current environment light are obtained；
The colour temperature of the current environment light and preset color temperature range, the brightness of the current environment light and default are compared respectively
Brightness range obtains comparison result；
According to the comparison result, the color of the optical fingerprint identification module setting finger scan light is controlled, and based on institute
The finger scan light color for stating setting carries out fingerprint collecting and identification.
10. a kind of computer readable storage medium, which is characterized in that fingerprint knowledge is stored on the computer readable storage medium
Other program, the fingerprint recognition program realize following steps when being executed by processor：
When the touch control operation for detecting the mobile terminal touch area, colour temperature and the brightness of current environment light are obtained；
The colour temperature of the current environment light and preset color temperature range, the brightness of the current environment light and default are compared respectively
Brightness range obtains comparison result；
According to the comparison result, the color of the optical fingerprint identification module setting finger scan light is controlled, and based on institute
The finger scan light color for stating setting carries out fingerprint collecting and identification.
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