CN109145731A - A kind of fingerprint identification method, device and mobile terminal - Google Patents
A kind of fingerprint identification method, device and mobile terminal Download PDFInfo
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- CN109145731A CN109145731A CN201810779887.7A CN201810779887A CN109145731A CN 109145731 A CN109145731 A CN 109145731A CN 201810779887 A CN201810779887 A CN 201810779887A CN 109145731 A CN109145731 A CN 109145731A
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- fingerprint
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- touch screen
- user fingerprints
- temperature
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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
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The present invention provides a kind of fingerprint identification method, device and mobile terminals.Applied to the mobile terminal with touch screen, the touch screen is provided with fingerprint identification region, which comprises when detecting that user touches the fingerprint identification region, detects environment temperature；When the environment temperature is lower than preset temperature, brightness regulation is carried out to the touch screen；It obtains user fingerprints and carries out fingerprint recognition.The embodiment of the present invention improves the success rate of fingerprint recognition at low temperature, and then improves the low temperature recognition performance of mobile terminal.
Description
Technical field
The present invention relates to technical field of mobile terminals more particularly to a kind of fingerprint identification methods, device and mobile terminal.
Background technique
With the development of comprehensive screen technology, preposition fingerprint identification technology gradually develops to shield lower fingerprint identification technology, i.e., will
Fingerprint identification device is arranged in below the touch screen of mobile terminal.Currently, shielding lower fingerprint identification technology mainly has optical finger print knowledge
Not, ultrasonic fingerprint recognition and capacitive fingerprint identify three technique directions.Since optical finger print identification penetration capacity is strong, OLED is supported
(Organic Light-Emitting Diode, Organic Light Emitting Diode) soft screen and hard screen, therefore it is increasingly becoming the lower fingerprint of screen
The main flow direction of identification technology.
Shield lower optical fingerprint identification technology and generallys use light source of the OLED as fingerprint recognition, the wave crest and trough pair of finger
The light that OLED is issued is reflected, and determines fingerprint image according to the difference of reflected light.But the finger of people can compare at low temperature
Dry and lines shoals, and causes the reflected light difference of wave crest and trough smaller, and then it is clear collected fingerprint image occur
It spends poor, differs greatly with the fingerprint image prestored, so that the problem of fingerprint recognition success rate declines.
Summary of the invention
The embodiment of the present invention provides a kind of fingerprint identification method, device and mobile terminal, mobile to solve in the prior art
Terminal at low temperature fingerprint recognition success rate decline the problem of.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of fingerprint identification method, it is applied to that there is touching
The mobile terminal of screen is touched, the touch screen is provided with fingerprint identification region, which comprises
When detecting that user touches the fingerprint identification region, environment temperature is detected；
When the environment temperature is lower than preset temperature, brightness regulation is carried out to the touch screen；
It obtains user fingerprints and carries out fingerprint recognition.
The embodiment of the invention also provides a kind of fingerprint identification device, it is deployed in the mobile terminal with touch screen, it is described
Touch screen is provided with fingerprint identification region, and described device includes:
Temperature detecting module, for detecting environment temperature when detecting that user touches the fingerprint identification region；
Luminance adjustment module, for carrying out brightness tune to the touch screen when the environment temperature is lower than preset temperature
Section；
First fingerprint identification module, for obtaining user fingerprints and carrying out fingerprint recognition.
The embodiment of the invention also provides a kind of mobile terminal, including processor, memory and it is stored in the memory
Computer program that is upper and can running on the processor, is realized as above when the computer program is executed by the processor
The step of fingerprint identification method stated.
The embodiment of the invention also provides a kind of computer readable storage medium, deposited on the computer readable storage medium
Computer program is stored up, is realized when the computer program is executed by processor such as the step of above-mentioned fingerprint identification method.
In embodiments of the present invention, when detecting user's touch fingerprint identification region, environment temperature is detected；When environment temperature
When degree is lower than preset temperature, brightness regulation is carried out to touch screen, user fingerprints is obtained and carries out fingerprint recognition.At low temperature, people
Finger can relatively dry and lines shoal, and the case where touch screen also will appear brightness decay, at this time to touch screen into
Row brightness regulation, can increase the difference of reflected light, to improve the success rate of fingerprint recognition, and then improve mobile terminal
Low temperature recognition performance.
It further, at normal temperature, can be low according to presetting if carrying out fingerprint recognition failure according to default room temperature fingerprint
Warm fingerprint carries out fingerprint recognition, improves the room temperature recognition performance of mobile terminal, improves the usage experience of user.
Detailed description of the invention
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
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of step flow chart of fingerprint identification method of the embodiment of the present invention one；
Fig. 2 is a kind of step flow chart of fingerprint identification method of the embodiment of the present invention two；
Fig. 3 is a kind of one of the structural block diagram of fingerprint identification device of the embodiment of the present invention three；
Fig. 4 is the two of the structural block diagram of a kind of fingerprint identification device of the embodiment of the present invention three；
Fig. 5 is a kind of hardware structural diagram of mobile terminal of the embodiment of the present invention four.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one
Referring to Fig.1, a kind of step flow chart of fingerprint identification method provided in an embodiment of the present invention is shown.Applied to tool
There is the mobile terminal of touch screen, the touch screen is provided with fingerprint identification region, which comprises
Step 101, when detecting that user touches the fingerprint identification region, environment temperature is detected.
In the present embodiment, using lower optical fingerprint identification technology is shielded, i.e., fingerprint recognition is carried out using touch screen, on touch screen
It is provided with fingerprint identification region.Touch screen can detecte user whether touch fingerprint identification region, the embodiment of the present invention is to detection
Mode does not limit in detail, can be configured according to the actual situation.It is mobile when detecting user's touch fingerprint identification region
Terminal detects environment temperature.Specifically, temperature sensor, such as thermo-sensitive resistor can be set on mobile terminal, by temperature sensing
Device acquires environment temperature.
Step 102, when the environment temperature is lower than preset temperature, brightness regulation is carried out to the touch screen.
In the present embodiment, after detecting environment temperature, judge whether environment temperature is lower than preset temperature.Wherein, temperature is preset
Degree can be set to the line of demarcation of room temperature and low temperature.For example, preset temperature is 0 DEG C, environment temperature is 25 DEG C, then determines environment temperature
Degree is not less than preset temperature；Environment temperature is -10 DEG C, then determines environment temperature lower than preset temperature.The embodiment of the present invention is to pre-
If temperature does not limit in detail, can be configured according to the actual situation.
In low temperature, the finger of people can relatively dry and lines shoal, and the touch screen of mobile terminal can also occur
The phenomenon that brightness decay.Therefore, when determining that environment temperature is lower than preset temperature, brightness regulation is carried out to touch screen, makes to touch
Screen issues strong light.Since touch screen issues strong light, energy is stronger after light is reflected by finger, and terminal easy to remove receives reflection
Light, and the wave crest of finger and the reflected light of trough differ greatly, and can form clearly fingerprint image according to reflected light, in turn
Improve the success rate of fingerprint recognition.
Brightness regulation is carried out to touch screen, can be and lighten entire touch screen, is also possible to fingerprint identification region only
It lightens.For example, fingerprint identification region shows that brighter white, non-fingerprint identification region show black.Only by fingerprint identification region
The benefit lightened is to save the power consumption of mobile terminal.The embodiment of the present invention does not limit this in detail, can be according to the actual situation
It is configured.
Step 103, user fingerprints are obtained and carry out fingerprint recognition.
In the present embodiment, mobile terminal by fingerprint identification region obtain user fingerprints, the user fingerprints that will acquire with
Preset fingerprint is compared in mobile terminal.It acquires, i.e., will when preset fingerprint is usually normal temperature environment in mobile terminal
The user fingerprints got are compared with default room temperature fingerprint.Refer to if found with the matched default room temperature of user fingerprints
Line then determines fingerprint recognition success；If do not find with the matched default room temperature fingerprint of user fingerprints, determine fingerprint recognition
Failure.
In conclusion, when detecting user's touch fingerprint identification region, detecting environment temperature in the embodiment of the present invention；
When environment temperature is lower than preset temperature, brightness regulation is carried out to touch screen, user fingerprints is obtained and carries out fingerprint recognition.Low
Under temperature, the finger of people can relatively dry and lines shoal, and the case where touch screen also will appear brightness decay, at this time to touching
It touches screen and carries out brightness regulation, the difference of reflected light can be increased, to improve the success rate of fingerprint recognition, and then improve movement
The low temperature recognition performance of terminal.
Embodiment two
Referring to Fig. 2, a kind of step flow chart of fingerprint identification method provided in an embodiment of the present invention is shown.Applied to tool
There is the mobile terminal of touch screen, the touch screen is provided with fingerprint identification region, which comprises
Step 201, when detecting that user touches the fingerprint identification region, environment temperature is detected.
Step 202, when the environment temperature is lower than preset temperature, brightness regulation is carried out to the touch screen.
In the present embodiment, multiple preset temperatures can be set, for example, environment temperature is lower than the first preset temperature, it is mobile whole
End is in low temperature environment；Environment temperature is lower than the second preset temperature, and mobile terminal is in ultra-low temperature surroundings.The embodiment of the present invention pair
This is not limited in detail, can be configured according to the actual situation.
Can specifically following steps be used by adjusting touch screen brightness:
Sub-step one determines the present intensity of the touch screen.
Sub-step two adjusts the driving voltage of the touch screen according to the present intensity and preset identification brightness, with
The touch screen is set to reach the identification brightness under the driving voltage.
Specifically, in mobile terminal can minimum brightness needed for preset identification fingerprint, i.e. identification brightness.According to current bright
Degree with identification brightness difference, determine touch screen reach identification brightness needed for target drives voltage, then adjust driving voltage.
Step 203, user fingerprints are obtained and carry out fingerprint recognition.
Step 204, when fingerprint recognition success, it will identify that successful user fingerprints are set as default low temperature fingerprint.
In the present embodiment, if fingerprint recognition success for the first time, it will just identify that successful user fingerprints are set as default low temperature
Fingerprint, and store default low temperature fingerprint.
Step 205, prompt information is generated, to prompt the user to lengthen the touch time and reinforce touching intensity.
In the present embodiment, if fingerprint recognition fails for the first time, need to repeat to obtain user fingerprints, then it can be on the touchscreen
Prompt information is generated, prompts user to pay attention to touching time and touching intensity, so that finger can be improved when carrying out fingerprint recognition again
The success rate of line identification.
Step 206, when fingerprint recognition fails, the step of repeating the acquisition user fingerprints and carry out fingerprint recognition.
In the present embodiment, if fingerprint recognition fails, the step of obtaining user fingerprints and carrying out fingerprint recognition can be repeated.
It obtains user fingerprints for example, being repeated 3 times and carries out fingerprint recognition.The embodiment of the present invention does not limit number of repetition in detail, can
To be configured according to the actual situation.
Step 207, if number of repetition fingerprint recognition success in setting number, judges that the user fingerprints of recognition failures are
It is no to meet preset condition.
In the present embodiment, if number of repetition reaches setting number, fingerprint recognition still fails, and fingerprint failure can be generated
Prompt.If number of repetition fingerprint recognition success in setting number, it is pre- to judge whether the user fingerprints of recognition failures meet
If condition.For example, setting number as 3 times, fingerprint recognition is successful when repeating to the 3rd time, then to the 1st time and the 2nd recognition failures
User fingerprints judged whether the user fingerprints of recognition failures twice meet preset condition before judgement.
Optionally, the preset condition is that the user fingerprints of the recognition failures are similar to the successful user fingerprints of identification
Degree is greater than the first preset value, and is lower than the user fingerprints of the recognition failures as accuracy of system identification when identifying successful user fingerprints
Second preset value.
For example, the user fingerprints of the 1st recognition failures are compared with the 3rd time identifies successful user fingerprints, similarity is
84%, if using the user fingerprints of the 1st recognition failures as the successful user fingerprints of identification, accuracy of system identification 25%；2nd knows
Not Shi Bai user fingerprints compared with the 3rd time identifies successful user fingerprints, similarity 90%, if by the 2nd identification lose
The user fingerprints lost are as successful user fingerprints are identified, then accuracy of system identification is 25%.It is 85% that the first preset value, which can be set, the
Two preset values are 30%, then the user fingerprints of the 1st recognition failures are unsatisfactory for preset condition, and the user of the 2nd recognition failures refers to
Line meets preset condition.Also it is 80% that the first preset value, which can be set, and second preset value is 30%, then before recognition failures twice
User fingerprints are all satisfied preset condition.The embodiment of the present invention does not limit the first preset value and the second preset value in detail, can be with
It is configured according to the actual situation.
Wherein, accuracy of system identification is the ratio between fingerprint number and fingerprint total number of misjudgement.For example, after fingerprint recognition failure for the first time,
3 fingerprint recognitions are repeated, fingerprint recognition success when repeating to the 3rd time, then fingerprint total number is 4, if the 1st identification lost
The user fingerprints lost are as successful user fingerprints are identified, then the user fingerprints are misjudgement fingerprint, and the fingerprint number of misjudgement is 1,
Accuracy of system identification is 25%.
Step 208, if meeting the preset condition, by the user fingerprints of the recognition failures be set as it is described preset it is low
Warm fingerprint.
In the present embodiment, if meeting preset condition, default low temperature fingerprint is set by the user fingerprints of recognition failures, and
Store default low temperature fingerprint.For example, the user fingerprints of the 2nd recognition failures meet preset condition, by the use of the 2nd recognition failures
Family fingerprint is set as default low temperature fingerprint.Further, default ultralow temperature fingerprint can also be set and stored, for example, such as
The user fingerprints of fruit recognition failures are unsatisfactory for similarity greater than 85%, and accuracy of system identification is lower than 30% preset condition, but meets phase
It is greater than 80% like degree, accuracy of system identification is lower than 30% preset condition, can set the user fingerprints of the recognition failures to default super
Low temperature fingerprint.The embodiment of the present invention does not limit this in detail, can be configured according to the actual situation.
Step 209, when the environment temperature is not less than the preset temperature, fingerprint knowledge is carried out according to default room temperature fingerprint
Not.
In the present embodiment, when environment temperature is not less than preset temperature, mobile terminal is in normal temperature environment, can be first according to pre-
If room temperature fingerprint carries out fingerprint recognition, details are not described herein.
Step 210, if recognition failures when carrying out fingerprint recognition according to the default room temperature fingerprint, according to it is described preset it is low
Warm fingerprint carries out fingerprint recognition.
In the present embodiment, when according to the progress fingerprint recognition failure of room temperature fingerprint is preset, according to default in mobile terminal
Low temperature fingerprint carries out fingerprint recognition, may further be identified according to default ultralow temperature fingerprint.The embodiment of the present invention to this not
Make to limit in detail, can be configured according to the actual situation.
In conclusion, when detecting user's touch fingerprint identification region, detecting environment temperature in the embodiment of the present invention；
When environment temperature is lower than preset temperature, brightness regulation is carried out to touch screen, user fingerprints is obtained and carries out fingerprint recognition.Low
Under temperature, the finger of people can relatively dry and lines shoal, and the case where touch screen also will appear brightness decay, at this time to touching
It touches screen and carries out brightness regulation, the difference of reflected light can be increased, to improve the success rate of fingerprint recognition, and then improve movement
The low temperature recognition performance of terminal.
It further, at normal temperature, can be low according to presetting if carrying out fingerprint recognition failure according to default room temperature fingerprint
Warm fingerprint carries out fingerprint recognition, improves the room temperature recognition performance of mobile terminal, improves the usage experience of user.
Embodiment three
Referring to Fig. 3, a kind of structural block diagram of fingerprint identification device provided in an embodiment of the present invention is shown.Being deployed in has
The mobile terminal of touch screen, the touch screen are provided with fingerprint identification region, and described device includes temperature detecting module 301, bright
Spend adjustment module 302, the first fingerprint identification module 303:
Temperature detecting module 301, for detecting environment temperature when detecting that user touches the fingerprint identification region；
Luminance adjustment module 302, for carrying out brightness to the touch screen when the environment temperature is lower than preset temperature
It adjusts；
First fingerprint identification module 303, for obtaining user fingerprints and carrying out fingerprint recognition.
On the basis of Fig. 3, optionally, the luminance adjustment module 302 includes:
Present intensity determines submodule, for determining the present intensity of the touch screen；
Driving voltage adjusts submodule, for adjusting the touch according to the present intensity and preset identification brightness
The driving voltage of screen, so that the touch screen reaches the identification brightness under the driving voltage.
On the basis of Fig. 3, optionally, described device further includes the first fingerprint setup module 304, the second fingerprint recognition mould
Block 305, fingerprint judgment module 306, the second fingerprint setup module 307, are shown in Fig. 4:
First fingerprint setup module 304, for will identify that successful user fingerprints are set as pre- when fingerprint recognition success
If low temperature fingerprint；
Second fingerprint identification module 305, for repeating the acquisition user fingerprints and being referred to when fingerprint recognition failure
The step of line identifies；
Fingerprint judgment module 306, if the fingerprint recognition success in setting number for number of repetition, judges recognition failures
User fingerprints whether meet preset condition；
Second fingerprint setup module 307, if for meeting the preset condition, by the user fingerprints of the recognition failures
It is set as the default low temperature fingerprint, wherein the preset condition is the user fingerprints of the recognition failures and identifies successful
The similarity of user fingerprints is greater than the first preset value, and refers to the user fingerprints of the recognition failures as the successful user of identification
Accuracy of system identification is lower than the second preset value when line.
On the basis of Fig. 3, optionally, before second fingerprint identification module 305, described device further includes prompt
Information generating module 308, is shown in Fig. 4:
Prompt information generation module 308, for generating prompt information, to prompt the user to lengthen the touch time and reinforce
Touching intensity.
On the basis of Fig. 3, optionally, after the temperature detecting module 301, described device further includes third fingerprint
Identification module 309, the 4th fingerprint identification module 310, are shown in Fig. 4:
Third fingerprint identification module 309 is used for when the environment temperature is not less than the preset temperature, according to default normal
Warm fingerprint carries out fingerprint recognition；
4th fingerprint identification module 310, if being used to carry out recognition failures when fingerprint recognition according to the default room temperature fingerprint,
Fingerprint recognition is then carried out according to the default low temperature fingerprint.
Fingerprint identification device provided in an embodiment of the present invention can be realized each mistake realized in the embodiment of the method for Fig. 1-2
Journey, to avoid repeating, which is not described herein again.In the embodiment of the present invention, at low temperature, the finger of people can relatively dry and lines
It shoals, and the case where touch screen also will appear brightness decay, brightness regulation is carried out to touch screen at this time, reflected light can be increased
Difference, to improve the success rate of fingerprint recognition, and then improve the low temperature recognition performance of mobile terminal.
It further, at normal temperature, can be low according to presetting if carrying out fingerprint recognition failure according to default room temperature fingerprint
Warm fingerprint carries out fingerprint recognition, improves the room temperature recognition performance of mobile terminal, improves the usage experience of user.
Example IV
A kind of hardware structural diagram of Fig. 5 mobile terminal of each embodiment to realize the present invention,
The mobile terminal 400 includes but is not limited to: radio frequency unit 401, network module 402, audio output unit 403, defeated
Enter unit 404, sensor 405, display unit 406, user input unit 407, interface unit 408, memory 409, processor
The components such as 410 and power supply 411.It will be understood by those skilled in the art that mobile terminal structure shown in Fig. 5 is not constituted
Restriction to mobile terminal, mobile terminal may include than illustrating more or fewer components, perhaps combine certain components or
Different component layouts.In embodiments of the present invention, mobile terminal include but is not limited to mobile phone, tablet computer, laptop,
Palm PC, car-mounted terminal, wearable device and pedometer etc..
Wherein, processor 410, for detecting environment temperature when detecting that user touches the fingerprint identification region；When
When the environment temperature is lower than the preset temperature, brightness regulation is carried out to the touch screen；It obtains user fingerprints and is referred to
Line identification.
In the embodiment of the present invention, at low temperature, the finger of people can relatively dry and lines shoal, and touch screen also can
There is the case where brightness decay, brightness regulation is carried out to touch screen at this time, the difference of reflected light can be increased, to improve fingerprint
The success rate of identification, and then improve the low temperature recognition performance of mobile terminal.
It further, at normal temperature, can be low according to presetting if carrying out fingerprint recognition failure according to default room temperature fingerprint
Warm fingerprint carries out fingerprint recognition, improves the room temperature recognition performance of mobile terminal, improves the usage experience of user.
It should be understood that the embodiment of the present invention in, radio frequency unit 401 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 410 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 401 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 401 can also by wireless communication system and network and other set
Standby communication.
Mobile terminal provides wireless broadband internet by network module 402 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 403 can be received by radio frequency unit 401 or network module 402 or in memory 409
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 403 can also be provided and be moved
The relevant audio output of specific function that dynamic terminal 400 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 403 includes loudspeaker, buzzer and receiver etc..
Input unit 404 is for receiving audio or video signal.Input unit 404 may include graphics processor
(Graphics Processing Unit, GPU) 4041 and microphone 4042, graphics processor 4041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 406.Through graphics processor 4041, treated that picture frame can be deposited
Storage is sent in memory 409 (or other storage mediums) or via radio frequency unit 401 or network module 402.Mike
Wind 4042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 401 is converted in the case where telephone calling model.
Mobile terminal 400 further includes at least one sensor 405, 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 4061, and proximity sensor can close when mobile terminal 400 is moved in one's ear
Display panel 4061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify mobile terminal posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 405 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 406 is for showing information input by user or being supplied to the information of user.Display unit 406 can wrap
Display panel 4061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 4061.
User input unit 407 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family setting and the related key signals input of function control.Specifically, user input unit 407 include touch panel 4071 and
Other input equipments 4072.Touch panel 4071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 4071 or in touch panel 4071
Neighbouring operation).Touch panel 4071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 410, receiving area
It manages the order that device 410 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Seed type realizes touch panel 4071.In addition to touch panel 4071, user input unit 407 can also include other input equipments
4072.Specifically, other input equipments 4072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 4071 can be covered on display panel 4061, when touch panel 4071 is detected at it
On or near touch operation after, send processor 410 to determine the type of touch event, be followed by subsequent processing device 410 according to touching
The type for touching event provides corresponding visual output on display panel 4061.Although in Fig. 3, touch panel 4071 and display
Panel 4061 is the function that outputs and inputs of realizing mobile terminal as two independent components, but in some embodiments
In, can be integrated by touch panel 4071 and display panel 4061 and realize the function that outputs and inputs of mobile terminal, it is specific this
Place is without limitation.
Interface unit 408 is the interface that external device (ED) is connect with mobile terminal 400.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 408 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in mobile terminal 400 or can be used in 400 He of mobile terminal
Data are transmitted between external device (ED).
Memory 409 can be used for storing software program and various data.Memory 409 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 409 may include high-speed random access memory, it 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 410 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 409, and calls and is stored in storage
Data in device 409 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Managing device 410 may include one or more processing units；Preferably, processor 410 can integrate application processor and modulatedemodulate is mediated
Manage device, 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 410.
Mobile terminal 400 can also include the power supply 411 (such as battery) powered to all parts, it is preferred that power supply 411
Can be logically contiguous by power-supply management system and processor 410, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, mobile terminal 400 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of mobile terminal, including processor 410, and memory 409 is stored in
On memory 409 and the computer program that can run on the processor 410, the computer program are executed by processor 410
Each process of the above-mentioned fingerprint identification method embodiment of Shi Shixian, and identical technical effect can be reached, to avoid repeating, here
It repeats no more.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned fingerprint identification method embodiment, and energy when being executed by processor
Reach identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as only
Read memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation
RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, 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 be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of fingerprint identification method, which is characterized in that applied to the mobile terminal with touch screen, the touch screen is provided with
Fingerprint identification region, which comprises
When detecting that user touches the fingerprint identification region, environment temperature is detected；
When the environment temperature is lower than preset temperature, brightness regulation is carried out to the touch screen；
It obtains user fingerprints and carries out fingerprint recognition.
2. the method according to claim 1, wherein described carry out brightness regulation to the touch screen, comprising:
Determine the present intensity of the touch screen；
According to the present intensity and preset identification brightness, the driving voltage of the touch screen is adjusted, so that the touch screen
Reach the identification brightness under the driving voltage.
3. the method according to claim 1, wherein the method also includes:
When fingerprint recognition success, it will identify that successful user fingerprints are set as default low temperature fingerprint；
When fingerprint recognition failure, the step of repeating the acquisition user fingerprints and carry out fingerprint recognition；
If number of repetition fingerprint recognition success in setting number, judges whether the user fingerprints of recognition failures meet default item
Part；
If meeting the preset condition, the default low temperature fingerprint is set by the user fingerprints of the recognition failures, wherein
The preset condition is the user fingerprints of the recognition failures and identifies that the similarity of successful user fingerprints is greater than first and presets
Value, and it is lower than the second preset value for the user fingerprints of the recognition failures as accuracy of system identification when identifying successful user fingerprints.
4. according to the method described in claim 3, it is characterized in that, in the repetition acquisition user fingerprints and carrying out fingerprint
Before the step of identification, the method also includes:
Prompt information is generated, to prompt the user to lengthen the touch time and reinforce touching intensity.
5. according to the method described in claim 3, it is characterized in that, the method is also wrapped after the detection environment temperature
It includes:
When the environment temperature is not less than the preset temperature, fingerprint recognition is carried out according to default room temperature fingerprint；
If being referred to according to recognition failures when the default room temperature fingerprint progress fingerprint recognition according to the default low temperature fingerprint
Line identification.
6. a kind of fingerprint identification device, which is characterized in that be deployed in the mobile terminal with touch screen, the touch screen is provided with
Fingerprint identification region, described device include:
Temperature detecting module, for detecting environment temperature when detecting that user touches the fingerprint identification region；
Luminance adjustment module, for carrying out brightness regulation to the touch screen when the environment temperature is lower than preset temperature；
First fingerprint identification module, for obtaining user fingerprints and carrying out fingerprint recognition.
7. device according to claim 6, which is characterized in that the luminance adjustment module includes:
Present intensity determines submodule, for determining the present intensity of the touch screen；
Driving voltage adjusts submodule, for adjusting the touch screen according to the present intensity and preset identification brightness
Driving voltage, so that the touch screen reaches the identification brightness under the driving voltage.
8. device according to claim 6, which is characterized in that described device further include:
First fingerprint setup module, for when fingerprint recognition success, will identify that successful user fingerprints are set as default low temperature
Fingerprint；
Second fingerprint identification module, for repeating the acquisition user fingerprints and carrying out fingerprint recognition when fingerprint recognition failure
The step of；
Fingerprint judgment module, if the fingerprint recognition success in setting number for number of repetition, judges the user of recognition failures
Whether fingerprint meets preset condition；
Second fingerprint setup module, if setting the user fingerprints of the recognition failures to for meeting the preset condition
The default low temperature fingerprint, wherein the preset condition is that the user fingerprints of the recognition failures refer to successful user is identified
The similarity of line is greater than the first preset value, and recognizes using the user fingerprints of the recognition failures as when identifying successful user fingerprints
False rate is lower than the second preset value.
9. device according to claim 8, which is characterized in that before second fingerprint identification module, described device
Further include:
Prompt information generation module, for generating prompt information, to prompt the user to lengthen the touch time and reinforce touch force
Degree.
10. device according to claim 8, which is characterized in that after the temperature detecting module, described device is also wrapped
It includes:
Third fingerprint identification module is used for when the environment temperature is not less than the preset temperature, according to default room temperature fingerprint
Carry out fingerprint recognition；
4th fingerprint identification module, if for according to recognition failures when the default room temperature fingerprint progress fingerprint recognition, basis
The default low temperature fingerprint carries out fingerprint recognition.
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| CN201810779887.7A CN109145731B (en) | 2018-07-16 | 2018-07-16 | Fingerprint identification method and device and mobile terminal |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108229372A (en) * | 2017-12-29 | 2018-06-29 | 努比亚技术有限公司 | Fingerprint identification method, mobile terminal and computer readable storage medium |
| CN109871820A (en) * | 2019-02-28 | 2019-06-11 | Oppo广东移动通信有限公司 | Shield the brightness control method and electronic device of lower optical finger print structure |
| CN111095284A (en) * | 2019-08-23 | 2020-05-01 | 深圳市汇顶科技股份有限公司 | Fingerprint detection device and method and electronic equipment |
| WO2020224149A1 (en) * | 2019-05-08 | 2020-11-12 | 南昌欧菲生物识别技术有限公司 | Electronic device, fingerprint recognition method therefor, and apparatus thereof |
| WO2020238869A1 (en) * | 2019-05-30 | 2020-12-03 | 华为技术有限公司 | Fingerprint identification method and intelligent terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000353236A (en) * | 1999-06-11 | 2000-12-19 | Mitsubishi Electric Corp | Fingerprint checking device |
| CN106599875A (en) * | 2016-12-23 | 2017-04-26 | 努比亚技术有限公司 | Fingerprint identification device and method |
| CN107194214A (en) * | 2017-04-18 | 2017-09-22 | 北京小米移动软件有限公司 | Fingerprint authentication method and device |
| CN107748877A (en) * | 2017-11-10 | 2018-03-02 | 杭州晟元数据安全技术股份有限公司 | A kind of Fingerprint recognition method based on minutiae point and textural characteristics |
| CN107832689A (en) * | 2017-10-30 | 2018-03-23 | 维沃移动通信有限公司 | A kind of fingerprint identification method and mobile terminal |
-
2018
- 2018-07-16 CN CN201810779887.7A patent/CN109145731B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000353236A (en) * | 1999-06-11 | 2000-12-19 | Mitsubishi Electric Corp | Fingerprint checking device |
| CN106599875A (en) * | 2016-12-23 | 2017-04-26 | 努比亚技术有限公司 | Fingerprint identification device and method |
| CN107194214A (en) * | 2017-04-18 | 2017-09-22 | 北京小米移动软件有限公司 | Fingerprint authentication method and device |
| CN107832689A (en) * | 2017-10-30 | 2018-03-23 | 维沃移动通信有限公司 | A kind of fingerprint identification method and mobile terminal |
| CN107748877A (en) * | 2017-11-10 | 2018-03-02 | 杭州晟元数据安全技术股份有限公司 | A kind of Fingerprint recognition method based on minutiae point and textural characteristics |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108229372A (en) * | 2017-12-29 | 2018-06-29 | 努比亚技术有限公司 | Fingerprint identification method, mobile terminal and computer readable storage medium |
| CN109871820A (en) * | 2019-02-28 | 2019-06-11 | Oppo广东移动通信有限公司 | Shield the brightness control method and electronic device of lower optical finger print structure |
| WO2020224149A1 (en) * | 2019-05-08 | 2020-11-12 | 南昌欧菲生物识别技术有限公司 | Electronic device, fingerprint recognition method therefor, and apparatus thereof |
| WO2020238869A1 (en) * | 2019-05-30 | 2020-12-03 | 华为技术有限公司 | Fingerprint identification method and intelligent terminal |
| CN111095284A (en) * | 2019-08-23 | 2020-05-01 | 深圳市汇顶科技股份有限公司 | Fingerprint detection device and method and electronic equipment |
| CN111095284B (en) * | 2019-08-23 | 2023-09-22 | 深圳市汇顶科技股份有限公司 | Fingerprint detection device, fingerprint detection method and electronic equipment |
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|---|---|
| CN109145731B (en) | 2021-03-05 |
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