CN109948576A - Fingerprint identification method under a kind of screen suitable for mobile terminal - Google Patents
Fingerprint identification method under a kind of screen suitable for mobile terminal Download PDFInfo
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- CN109948576A CN109948576A CN201910239073.9A CN201910239073A CN109948576A CN 109948576 A CN109948576 A CN 109948576A CN 201910239073 A CN201910239073 A CN 201910239073A CN 109948576 A CN109948576 A CN 109948576A
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Abstract
The present invention discloses fingerprint identification method under a kind of screen suitable for mobile terminal, comprising steps of mobile terminal is in a dormant state, waits dormancy awakening event；Mobile terminal wakes up, into fingerprint recognition mode；Fingerprint guide icon is shown in corresponding fingerprint guidance field；After fingerprint guidance field receives fingerprint pressing, fingerprint guide icon is become into pure color and keeps brightness；By the optical finger print recognizer component under screen, fingerprint image is identified.Optical fingerprint sensor is placed under the screen of mobile terminal by the present invention, using the self-condition of mobile terminal, provides preferable environment-identification for optical fingerprint sensor；It, being capable of effectively save resource by combining wake-up screen to provide environment-identification for fingerprint recognition；Optical fingerprint sensor is set to carry out fingerprint recognition under any external environment, it is applied widely, accuracy of identification is high and recognition speed is fast；Reduce size of mobile terminals.
Description
Technical field
The invention belongs to fingerprint identification technology fields, more particularly to fingerprint recognition under a kind of screen suitable for mobile terminal
Method.
Background technique
Fingerprint is to form rough lines by paddy ridge on finger, has randomness uniqueness, in a variety of applied fields
Under scape, identity validation is carried out by the identification to fingerprint, fingerprint chip is developed so far that there are many implementations, such as condenser type
Fingerprint sensor, inductance type fingerprint sensing, conventional optical fingerprint sensor etc..
Capacitive fingerprint sensing device or inductance type fingerprint sensing: finger as another electrode inductively or capacitively, finger
It is uneven to form different interpolar distances, different inductively or capacitively values is generated, and then acquire finger print data.
Conventional optical fingerprint sensor: mainly using Guangde refraction and principle of reflection, placing a finger on optical mirror slip,
Under the irradiation of built-in light source, light is projected from bottom directive prism through prism finger, and the light of injection refers in finger surface
The angle reflected and the bright and dark light reflected back will be different on the rough strain line of line.It is incident upon again with prism
On charge-coupled device or sensor, so formed it is digitized, can by the multi-grayscale fingerprint image of fingerprint equipment algorithm process,
To acquire finger print data.
But this existing capacitive fingerprint sensing device or inductance type fingerprint sensing will occupy certain external area, need
It is punched on panel, outer sensor sensing module, weakens the smooth degree of complete machine appearance；Although optical fingerprint sensor can be with
It is placed below screen, but since it is more demanding to light condition, when can not apply the progress fingerprint recognition under screen,
So that identification condition is limited, recognition effect is poor, and recognition speed is slow.
Summary of the invention
To solve the above-mentioned problems, the invention proposes fingerprint identification methods under a kind of screen suitable for mobile terminal, will
Optical fingerprint sensor is placed under the screen of mobile terminal, is optical fingerprint sensor using the self-condition of mobile terminal
Preferable environment-identification is provided；It, being capable of effectively save resource by combining wake-up screen to provide environment-identification for fingerprint recognition；Make
Optical fingerprint sensor can carry out fingerprint recognition under any external environment, and applied widely, accuracy of identification is high and identification speed
Degree is fast；Reduce size of mobile terminals.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: fingerprint is known under a kind of screen suitable for mobile terminal
Other method, comprising steps of
S10, mobile terminal in a dormant state, wait dormancy awakening event；
S20, mobile terminal wakes up, into fingerprint recognition mode；
S30 shows fingerprint guide icon in corresponding fingerprint guidance field；
Fingerprint guide icon is become pure color and keeps brightness by S40 after fingerprint guidance field receives fingerprint pressing；
S50 identifies fingerprint image by the optical finger print recognizer component under screen.
Further, improving fingerprint recognition efficiency to save mobile terminal resource, providing convenience for user；Pass through
Wake source wakes up mobile terminal, and the wake source includes that touch-control wakes up, movement wakes up and cooperation wakes up；
The touch-control wakes up, and wakes up mobile terminal screen after touching touch panel by finger；
The movement wakes up, and incudes mobile terminal by waking up mobile terminal screen by motion sensor；
The cooperation wakes up, and combines motion sensor and touch panel by collaborative process device and wakes up mobile terminal screen
Curtain.
Further, carrying out waking up fingerprint identification process using touch panel comprising steps of when pressing fingerprint guides
When region, touch panel wakes up mobile terminal reported event simultaneously；Fingerprint guide icon is become into pure color and keeps brightness；Cross screen
Under optical finger print recognizer component identify fingerprint image.
Further, wake up fingerprint identification process comprising steps of by motion sensor using motion sensor
Detect that mobile terminal detects movement；When mobile terminal wakes up, fingerprint guide icon is shown, wait pressing touch panel；
When pressing fingerprint guidance field, fingerprint guide icon is become into pure color and keeps brightness；Cross the optical finger print identification group under screen
Part identifies fingerprint image.
Further, being handled when waking up mobile terminal using collaborative process device using motion sensor as association is waken up
The ancillary equipment of device；
Fingerprint identification process is being waken up using coprocessor row comprising steps of moving in motion sensor senses to mobile terminal
When dynamic, coprocessor control shows fingerprint guide icon, opens touch panel detection function, gives wake source to touch panel,
To achieve the purpose that optimize power consumption.
Further, the fingerprint guide icon is the button control of mobile terminal；When mobile terminal is in normal
When operating mode, if press event and pressing area are reported to fingerprint recognition service after finger pressing button control.
Further, the fingerprint recognition service is configured and is schemed to optical finger print recognizer component by SPI interface
As transmission；Layer carries out image preprocessing and recognizer on mobile terminals, acquires image characteristic point or calculates image to
Fingerprint recognition result is returned to higher level by the match condition for knowing characteristic point.
Further, the mobile terminal is mobile phone or tablet computer.
Using the technical program the utility model has the advantages that
Optical fingerprint sensor of the present invention is put in screen hereinafter, shining using mobile terminal screen automatic light source opponent's fingering row
It penetrates, can capture enough information while occupancy to appearance zero, and volume optical finger print identification group is imaged using non-focusing
Part can occupy inner space more less than conventional optical fingerprint identifying system；Reduce size of mobile terminals；
Optical fingerprint sensor is placed under the screen of mobile terminal by the present invention, using the self-condition of mobile terminal,
Without additional light source, preferable environment-identification is provided for optical fingerprint sensor；By combining wake-up screen to mention for fingerprint recognition
It, being capable of effectively save resource for environment-identification；Optical fingerprint sensor is set to carry out fingerprint recognition under any external environment,
It is applied widely, accuracy of identification is high and recognition speed is fast.
Detailed description of the invention
Fig. 1 is fingerprint identification method flow diagram under a kind of screen suitable for mobile terminal of the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made into one with reference to the accompanying drawing
Step illustrates.
In the present embodiment, shown in Figure 1, the invention proposes fingerprint recognitions under a kind of screen suitable for mobile terminal
Method, comprising steps of
S10, mobile terminal in a dormant state, wait dormancy awakening event；
S20, mobile terminal wakes up, into fingerprint recognition mode；
S30 shows fingerprint guide icon in corresponding fingerprint guidance field；
Fingerprint guide icon is become pure color and keeps brightness by S40 after fingerprint guidance field receives fingerprint pressing；
S50 identifies fingerprint image by the optical finger print recognizer component under screen.
Fingerprint recognition efficiency is improved, is mentioned for user to save mobile terminal resource as the prioritization scheme of above-described embodiment
For convenience；Mobile terminal is waken up by wake source, the wake source includes that touch-control wakes up, movement wakes up and cooperation wakes up；
The touch-control wakes up, and wakes up mobile terminal screen after touching touch panel by finger；
The movement wakes up, and incudes mobile terminal by waking up mobile terminal screen by motion sensor；
The cooperation wakes up, and combines motion sensor and touch panel by collaborative process device and wakes up mobile terminal screen
Curtain.
Wherein, wake up fingerprint identification process comprising steps of when pressing fingerprint guidance field using touch panel,
Touch panel wakes up mobile terminal reported event simultaneously；Fingerprint guide icon is become into pure color and keeps brightness；Cross the light under screen
Learn fingerprint recognition component recognition fingerprint image.
It is carrying out waking up fingerprint identification process using motion sensor comprising steps of whole to movement by motion sensor senses
End detects movement；When mobile terminal wakes up, fingerprint guide icon is shown, wait pressing touch panel；When pressing fingerprint draws
When leading region, fingerprint guide icon is become into pure color and keeps brightness；Cross the optical finger print recognizer component identification fingerprint image under screen
Picture.
When waking up mobile terminal using collaborative process device, set motion sensor as the auxiliary for waking up coprocessor
It is standby；In use coprocessor row wake-up fingerprint identification process comprising steps of when motion sensor senses are mobile to mobile terminal,
Coprocessor control shows fingerprint guide icon, opens touch panel detection function, wake source is given to touch panel, to reach
Optimize the purpose of power consumption.
As the prioritization scheme of above-described embodiment, the fingerprint guide icon is the button control of mobile terminal；Work as shifting
When dynamic terminal is in normal mode of operation, if press event and pressing area are reported to finger after finger pressing button control
Line identification service.
The fingerprint recognition service carries out configuration and image transmitting to optical finger print recognizer component by SPI interface；It is moving
Dynamic terminal upper layer carries out image preprocessing and recognizer, acquires image characteristic point or calculates image to of known features point
With situation, fingerprint recognition result is returned into higher level.
Wherein, the mobile terminal is mobile phone or tablet computer.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. fingerprint identification method under a kind of screen suitable for mobile terminal, which is characterized in that comprising steps of
S10, mobile terminal in a dormant state, wait dormancy awakening event；
S20, mobile terminal wakes up, into fingerprint recognition mode；
S30 shows fingerprint guide icon in corresponding fingerprint guidance field；
Fingerprint guide icon is become pure color and keeps brightness by S40 after fingerprint guidance field receives fingerprint pressing；
S50 identifies fingerprint image by the optical finger print recognizer component under screen.
2. fingerprint identification method under a kind of screen suitable for mobile terminal according to claim 1, which is characterized in that pass through
Wake source wakes up mobile terminal, and the wake source includes that touch-control wakes up, movement wakes up and cooperation wakes up；
The touch-control wakes up, and wakes up mobile terminal screen after touching touch panel by finger；
The movement wakes up, and incudes mobile terminal by waking up mobile terminal screen by motion sensor；
The cooperation wakes up, and combines motion sensor and touch panel by collaborative process device and wakes up mobile terminal screen.
3. fingerprint identification method under a kind of screen suitable for mobile terminal according to claim 2, which is characterized in that make
It carries out waking up fingerprint identification process with touch panel comprising steps of touch panel wakes up movement when pressing fingerprint guidance field
Terminal while reported event；Fingerprint guide icon is become into pure color and keeps brightness；The optical finger print recognizer component crossed under screen is known
Other fingerprint image.
4. fingerprint identification method under a kind of screen suitable for mobile terminal according to claim 2, which is characterized in that make
Wake up fingerprint identification process comprising steps of detecting shifting by motion sensor senses to mobile terminal with motion sensor
It is dynamic；When mobile terminal wakes up, fingerprint guide icon is shown, wait pressing touch panel；It, will when pressing fingerprint guidance field
Fingerprint guide icon becomes pure color and keeps brightness；Cross the optical finger print recognizer component identification fingerprint image under screen.
5. fingerprint identification method under a kind of screen suitable for mobile terminal according to claim 2, which is characterized in that make
When waking up mobile terminal with collaborative process device, using motion sensor as the ancillary equipment for waking up coprocessor；
Fingerprint identification process is being waken up using coprocessor row comprising steps of mobile to mobile terminal in motion sensor senses
When, coprocessor control shows fingerprint guide icon, opens touch panel detection function, gives wake source to touch panel.
6. fingerprint identification method, feature under a kind of any screen suitable for mobile terminal in -5 according to claim 1
It is, the fingerprint guide icon is the button control of mobile terminal；
When mobile terminal is in normal mode of operation, if by press event and pressing area after finger pressing button control
It is reported to fingerprint recognition service.
7. fingerprint identification method under a kind of screen suitable for mobile terminal according to claim 6, which is characterized in that described
Fingerprint recognition service carries out configuration and image transmitting to optical finger print recognizer component by SPI interface；On mobile terminals layer into
Row image preprocessing and recognizer acquire image characteristic point or calculate image to the match condition of known features point, will refer to
Line recognition result returns to higher level.
8. fingerprint identification method under a kind of screen suitable for mobile terminal according to claim 7, which is characterized in that described
Mobile terminal is mobile phone or tablet computer.
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| CN201910239073.9A CN109948576A (en) | 2019-03-27 | 2019-03-27 | Fingerprint identification method under a kind of screen suitable for mobile terminal |
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| CN201910239073.9A CN109948576A (en) | 2019-03-27 | 2019-03-27 | Fingerprint identification method under a kind of screen suitable for mobile terminal |
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Cited By (1)
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Effective date of registration: 20201105 Address after: Room 203, 2 / F, No. 497, Goss Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 200120 Applicant after: SHANGHAI FEIGEEN MICROELECTRONICS TECHNOLOGY Co.,Ltd. Address before: Room 203, 2nd floor, 497 Gauss Road, China (Shanghai) Free Trade Pilot Area, Pudong New Area, Shanghai 200000 Applicant before: SHANGHAI FEIGEEN MICROELECTRONICS TECHNOLOGY Co.,Ltd. Applicant before: CHENGDU FINGER MICROELECTRONIC TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190628 |