CN106022074A - Fingerprint unlocking method and terminal - Google Patents
Fingerprint unlocking method and terminal Download PDFInfo
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- CN106022074A CN106022074A CN201610436134.7A CN201610436134A CN106022074A CN 106022074 A CN106022074 A CN 106022074A CN 201610436134 A CN201610436134 A CN 201610436134A CN 106022074 A CN106022074 A CN 106022074A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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Abstract
The embodiment of the invention discloses a fingerprint unlocking method. The method comprises the steps of collecting pixel points in multiple directions by means of a fingerprint recognition module when the fingerprint recognition module is pressed, conducting feature point extraction on the pixel points collected in any direction where the number of the pixel points collected is larger than a first threshold value, matching feature points with a preset fingerprint template when the total number of the extracted feature points is larger than a second threshold value, and unlocking a terminal when the feature points are successfully matched with the preset fingerprint template. The embodiment of the invention further provides a terminal. By the adoption of the method, fingerprint collection time is shortened during fingerprint unlocking, so that terminal unlocking efficiency can be improved.
Description
Technical field
The present invention relates to technical field of electronic equipment, particularly relate to a kind of unlocked by fingerprint method and terminal.
Background technology
Along with the fast development of information technology, the use of terminal (such as mobile phone, panel computer etc.) is increasingly
Universal.Fingerprint identification technology is as the standard configuration technology in terminal, and fingerprint identification technology can be not only used for terminal
Unblock, wake up up, mobile payment etc. be used widely.While fingerprint identification technology is popular,
In order to realize quick release, the unlocked time of terminal is also the direct concern of terminal manufacturer.Existing skill
In art, often due to unlocked by fingerprint is inefficient, thus, reduce Consumer's Experience.
Summary of the invention
Embodiments provide a kind of unlocked by fingerprint method and terminal, it is possible to increase unlocked by fingerprint efficiency.
Embodiment of the present invention first aspect discloses a kind of unlocked by fingerprint method, including:
When fingerprint recognition module is pressed, described fingerprint recognition module is utilized to gather pixel from multiple directions；
When the pixel number that either direction in the plurality of direction gathers is more than first threshold, to described
The pixel of either direction collection carries out feature point extraction；
When total number of the described characteristic point extracted is more than Second Threshold, by described characteristic point and preset fingerprint
Template is mated；
When described characteristic point is with described preset fingerprint template matching success, terminal is unlocked.
Embodiment of the present invention second aspect discloses a kind of terminal, including:
Collecting unit, for when fingerprint recognition module is pressed, utilizes described fingerprint recognition module from multiple
Direction gathers pixel；
Extraction unit, the pixel number gathered for the either direction in the plurality of direction is more than first
During threshold value, the pixel gathering described either direction carries out feature point extraction；
Matching unit, for when total number of the described characteristic point extracted is more than Second Threshold, by described spy
Levy and a little mate with preset fingerprint template；
Solve lock unit, for when described characteristic point is with described preset fingerprint template matching success, terminal being entered
Row unlocks.
The embodiment of the present invention third aspect discloses a kind of terminal, including:
Processor and memorizer；Wherein, described processor is by calling the code in described memorizer or instruction
To perform the some or all of step of the unlocked by fingerprint method described by first aspect.
Implement the embodiment of the present invention, have the advantages that
It can be seen that in the embodiment of the present invention, when fingerprint recognition module is pressed, utilize fingerprint recognition mould
The fingerprint collecting chip of group gathers pixel from multiple directions, and the either direction in multiple directions gathers
When pixel number is more than first threshold, the pixel of either direction collection is carried out feature point extraction, is carrying
When total number of the characteristic point taken is more than Second Threshold, when characteristic point is with preset fingerprint template matching success,
Terminal is unlocked.Thus, during unlocked by fingerprint, owing to shortening the fingerprint collecting time, therefore,
Unlocked by fingerprint efficiency can be improved.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to required in embodiment
The accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is some realities of the present invention
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the embodiment of a kind of unlocked by fingerprint method disclosed in the embodiment of the present invention；
Fig. 1 a is the schematic diagram of the multiple directions that the embodiment of the present invention provides；
Fig. 2 is the schematic flow sheet of another embodiment of a kind of unlocked by fingerprint method disclosed in the embodiment of the present invention；
Fig. 3 a is the structural representation of the first embodiment of a kind of terminal disclosed in the embodiment of the present invention；
Fig. 3 b is the structural representation of the collecting unit of the terminal described in Fig. 3 a disclosed in the embodiment of the present invention
Figure；
Fig. 3 c is the another structural representation of the first embodiment of a kind of terminal disclosed in the embodiment of the present invention；
Fig. 3 d is the another structural representation of the first embodiment of a kind of terminal disclosed in the embodiment of the present invention；
Fig. 3 e is the another structural representation of the first embodiment of a kind of terminal disclosed in the embodiment of the present invention；
Fig. 4 is the structural representation of the second embodiment of a kind of terminal disclosed in the embodiment of the present invention；
Fig. 5 is the structural representation of a kind of mobile phone disclosed in the embodiment of the present invention.
Detailed description of the invention
Embodiments provide a kind of unlocked by fingerprint method and terminal, it is possible to increase unlocked by fingerprint efficiency.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is a part of embodiment of the present invention rather than all
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under dynamic premise, broadly falls into the scope of protection of the invention.
Term " first " in description and claims of this specification and described accompanying drawing, " second ", "
Three " and " the 4th " etc. is for distinguishing different object rather than for describing particular order.Additionally, art
Language " includes " and " having " and their any deformation, it is intended that cover non-exclusive comprising.Such as
Contain series of steps or the process of unit, method, system, product or equipment are not limited to list
Step or unit, but the most also include step or the unit do not listed, or the most also include right
In intrinsic other step of these processes, method, product or equipment or unit.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can in conjunction with the embodiments
To be included at least one embodiment of the present invention.There is this phrase not in each position in the description
Necessarily each mean identical embodiment, be not and the independent of other embodiments mutual exclusion or alternative embodiment.
Those skilled in the art explicitly and are implicitly understood by, and embodiment described herein can be real with other
Execute example to combine.
Terminal described by the embodiment of the present invention can include smart mobile phone (as Android phone, iOS mobile phone,
Windows Phone mobile phone etc.), panel computer, palm PC, notebook computer, mobile internet device
(MID, Mobile Internet Devices) or Wearable etc., above-mentioned terminal is only citing, rather than thoroughly
Lift, including but not limited to above-mentioned terminal.
Refer to Fig. 1, for the embodiment flow process signal of a kind of unlocked by fingerprint method that the embodiment of the present invention provides
Figure.Unlocked by fingerprint method described in the present embodiment, comprises the following steps:
101, when fingerprint recognition module is pressed, described fingerprint recognition module is utilized to gather picture from multiple directions
Vegetarian refreshments.
Wherein, in the embodiment of the present invention, fingerprint recognition module can comprise fingerprint collecting chip, fingerprint recognition mould
As long as group is gathered fingerprint image by fingerprint collecting chip.The fingerprint collecting chip of fingerprint recognition module can comprise many
Individual region, one fingerprint collecting direction of each Regional Representative, the most each direction can gather in it specifies region
Pixel.Multiple directions can also be that scanning direction, i.e. fingerprint collecting chip can be scanned from multiple directions, often
One direction can generate a fingerprint image.Alternatively, can gather from above-mentioned multiple directions in a parallel mode
Pixel, the most each direction can use a thread or process to gather pixel.
Such as, as shown in Figure 1a, in Fig. 1 a, fingerprint acquisition chip is divided into four regions, each region table
Showing a direction, wherein, O is initial point, it is assumed that each direction all starts to gather pixel from O point.The
One region representation first direction, second area represents second direction, the 3rd region representation third direction, the 4th
Region representation fourth direction, then, from the beginning of O point, pixel can be gathered from four direction respectively.Can
To be understood by, gathering pixel is i.e. to gather fingerprint image, because fingerprint image is also to be made up of pixel.
Therefore, in above-mentioned processing procedure, the acquisition of fingerprint image can be accelerated, thus, to a certain extent, improve
Subsequent fingerprint unlocks efficiency.
Above-mentioned Fig. 1 a is only merely signal, in implementing, can gather fingerprint image from N number of direction, its
In, N is the integer more than or equal to 1, and certainly, N is the biggest, gathers fingerprint image speed the fastest, but,
N is the biggest, then need the thread of employing or number of processes the most, can increase power consumption, and the concrete value of N can
Choose according to concrete application scenarios, do not repeat them here.
Still optionally further, above-mentioned utilize described fingerprint recognition module to gather pixel from multiple directions, can wrap
Include step:
1) described fingerprint recognition module is utilized to gather capacitance from multiple directions；
2) described capacitance is carried out binary conversion treatment；
3) capacitance after described binary conversion treatment is converted into pixel.
Specifically, i.e. press the fingerprint recognition module moment user, the fingerprint collecting core in fingerprint recognition module
The mainly capacitance that sheet gathers, it is generally the case that capacitance is between 0～1.Can be to the electric capacity collected
Value carries out binary conversion treatment, and after process, the capacitance obtained can be 0 or 1, alternatively, to collecting
Capacitance carry out binary conversion treatment during, if can only capacitance more than 0 capacitance process,
Reason is, during fingerprint collecting chip gathers fingerprint image, if certain point does not collect fingerprint,
The most now capacitance is 0.Finally, only the part capacitance having carried out binary conversion treatment can be converted into pixel
Point, specifically, can be such as: capacitance is 0, then corresponding pixel value is 0, and capacitance is 1, then corresponding
Pixel value is 255.
Still optionally further, the above-mentioned binary conversion treatment that carried out by described capacitance can also comprise 3 steps:
21) at least one direction obtains from the plurality of direction multiple capacitance；
22) average of the plurality of capacitance is determined；
23) all capacitances gathered the plurality of direction according to described average carry out binary conversion treatment.
Wherein, at random at least one direction from multiple directions can obtain multiple capacitance, then, right
The plurality of capacitance is averaged, and using this average as threshold value, carries out all capacitances by this threshold value
Binary conversion treatment, such as, if greater than this threshold value, then the result after binary conversion treatment is 1, if less than or etc.
In this threshold value, then the result after binary conversion treatment is 0.
102, when the pixel number that the either direction in the plurality of direction gathers is more than first threshold, right
The pixel of described either direction collection carries out feature point extraction.
Wherein, the value of first threshold can empirically determine, such as, more than 3, because pixel is too
Few, it is more difficult to extract characteristic point, when the number of the pixel only gathered reaches some, could be to these
The pixel gathered carries out feature point extraction, owing to the speed of each direction collection pixel may differ, then
Characteristic point can extracted the most respectively in each direction, such as, and the pixel that first direction gathered in the A moment
Point reaches first threshold, then start to carry out the pixel of first direction collection feature point extraction in the A moment,
The pixel that second direction gathered in the B moment reaches first threshold, then start to adopt second direction in the B moment
The pixel of collection carries out feature point extraction.Wherein, the method extracting characteristic point can include but are not limited to: Harris
Angular Point Extracting Method, scale invariant feature extracts (Scale Invariant Feature Transform, SIFT) side
Method etc..
103, when total number of the described characteristic point extracted is more than Second Threshold, by described characteristic point with default
Fingerprint template mates.
Wherein, Second Threshold can be by empirically determined, such as, and 50, it is generally the case that the characteristic point of extraction
Need not all of characteristic point all can with preset fingerprint template matching success, even if the match is successful, as long as meet
Join successful feature point number more than a certain threshold value, it is assumed that this certain threshold value is 20, then what the match is successful
Feature point number is more than 20.Extracting during characteristic point, can total number of statistical nature point,
The total number of characteristic point is more than Second Threshold, can all characteristic points extracted be mated with preset fingerprint template.
When features described above point and preset fingerprint template matching, can be by the characteristic point of features described above point Yu preset fingerprint template
Mate.The extracting method of the characteristic point of preset fingerprint template can be with the Feature Points Extraction of step 102
Identical.
104, when described characteristic point is with described preset fingerprint template matching success, terminal is unlocked.
Wherein, when characteristic point is with preset fingerprint template matching success, terminal can be unlocked or to end
Certain application in end is unlocked.Such as, it is in terminal and puts out under screen state, terminal is unlocked,
The display screen of terminal is lighted, and shows the desktop after unblock；Or, under terminal is in bright screen state,
Terminal is unlocked, the desktop after display unblock；Or, it is under released state in terminal, can be right
At least one application of terminal is unlocked, and i.e. starts this at least one application or shows this at least one should
The default page of a certain application in；Or, it is in terminal and puts out under screen state, can to terminal at least
One application is unlocked, i.e. start this at least one application or show in this at least one application a certain
The default page of application.
It can be seen that in the embodiment of the present invention, when fingerprint recognition module is pressed, utilize fingerprint recognition mould
The fingerprint collecting chip of group gathers pixel from multiple directions, and the either direction in multiple directions gathers
When pixel number is more than first threshold, the pixel of either direction collection is carried out feature point extraction, is carrying
When total number of the characteristic point taken is more than Second Threshold, when characteristic point is with preset fingerprint template matching success,
Terminal is unlocked.Thus, during unlocked by fingerprint, owing to shortening the fingerprint collecting time, therefore,
Unlocked by fingerprint efficiency can be improved.
With above-described embodiment as one man, refer to Fig. 2, a kind of unlocked by fingerprint side provided for the embodiment of the present invention
Another embodiment schematic flow sheet of method.Unlocked by fingerprint method described in the present embodiment, including following step
Rapid:
201, the target characteristic point of preset fingerprint template is extracted.
202, the target characteristic point of described preset fingerprint template being divided into N group, wherein, described N is the most whole
Number.
203, when fingerprint recognition module is pressed, described fingerprint recognition module is utilized to gather picture from multiple directions
Vegetarian refreshments.
204, when the pixel number that the either direction in the plurality of direction gathers is more than first threshold, right
The pixel of described either direction collection carries out image enhancement processing.
205, the pixel gathering described either direction carries out feature point extraction.
206, when total number of the described characteristic point extracted is more than Second Threshold, stop in the plurality of direction
All directions gather pixel.
207, described N number of process or thread is used described characteristic point and all described target characteristic points to be carried out
Join, wherein, arbitrary for by described N group of each process in described N number of process or thread or thread
Target characteristic point in group mates with described characteristic point.
208, when described characteristic point is with the target characteristic Point matching success of described preset fingerprint template, to terminal
It is unlocked.
In above-mentioned steps 201, the method as subsequent step 204 can be used to extract characteristic point.
In above-mentioned steps 202, target characteristic point can be equally divided into N group, or, it is randomly divided into N group,
This N is positive integer.
The method that image enhancement processing mentioned in above-mentioned steps 204 mainly gathers can include but are not limited to:
The stretching of histogram equalization, gray scale, image restoration, wavelet transformation etc., in this no limit.
In above-mentioned steps 208, can be for the N group target characteristic point N number of thread of employing or process, wherein,
Each process or thread can be used for whole characteristic points that above-mentioned steps 205 is collected with in this N stack features point
One group of target characteristic point mate.Assume 3 processes, 3 groups of target characteristic points, then, first is entered
Journey can be used for all characteristic points of step 205 collection and mates with first group of target characteristic point, and second is entered
Journey can be used for all characteristic points of step 205 collection and mates with second group of target characteristic point, and the 3rd is entered
Journey can be used for all characteristic points of step 205 collection and mates with the 3rd group of target characteristic point, wherein, and 3
Process can executed in parallel.
Alternatively, other steps described by Fig. 2 can refer to the correspondence of the unlocked by fingerprint method described by Fig. 1
Step.
The following is the device implementing the unlocked by fingerprint method described by above-mentioned Fig. 1 or Fig. 2.Specific as follows:
Refer to Fig. 3 a, for the first embodiment structural representation of a kind of terminal that the embodiment of the present invention provides.
Terminal described in the present embodiment, including: collecting unit 301, extraction unit 302, matching unit 303
Conciliate lock unit 304, specific as follows:
Collecting unit 301, for when fingerprint recognition module is pressed, utilizes described fingerprint recognition module from many
Individual direction gathers pixel；
Extraction unit 302, the pixel number gathered for the either direction in the plurality of direction is more than the
During one threshold value, the pixel gathering described either direction carries out feature point extraction；
Matching unit 303, for when total number of the described characteristic point extracted is more than Second Threshold, by described
Characteristic point is mated with preset fingerprint template；
Solve lock unit 304, for when described characteristic point is with described preset fingerprint template matching success, to terminal
It is unlocked.
Alternatively, as shown in Figure 3 b, the described collecting unit 301 of the terminal described in Fig. 3 a includes:
Acquisition module 3011, is used for utilizing described fingerprint recognition module to gather capacitance from multiple directions；
First processing module 3012, for carrying out binary conversion treatment by described capacitance；
Conversion module 3013, for being converted into pixel by the capacitance after described binary conversion treatment.
Still optionally further, described first processing module 3012 includes:
Acquisition module (does not marks in figure), multiple for obtaining at least one direction from the plurality of direction
Capacitance；
Determine module (not marking in figure), for determining the average of the plurality of capacitance；
Second processing module (does not marks in figure), for the institute gathered the plurality of direction according to described average
Capacitance is had to carry out binary conversion treatment.
Alternatively, the terminal as described in Fig. 3 c, Fig. 3 a may also include that
Processing unit 305, is carried out for the pixel gathered described either direction at described extraction unit 302
Before feature point extraction, the pixel gathering described either direction carries out image enhancement processing.
Alternatively, the terminal as described in Fig. 3 d, Fig. 3 a may also include that
Control unit 306, for carrying out described characteristic point with preset fingerprint template at described matching unit 303
Before coupling, stop all directions in the plurality of direction and gather pixel.
Alternatively, the terminal as described in Fig. 3 e, Fig. 3 a may also include that grouped element 307, the most such as
Under:
Described extraction unit 302 is additionally operable to:
When described collecting unit 301 is pressed at fingerprint recognition module, utilize described fingerprint recognition module from
Before multiple directions gather pixel, extract the target characteristic point of preset fingerprint template；
Grouped element 307, the target of the described preset fingerprint template for being extracted by described extraction unit 302 is special
Levying and be a little divided into N group, wherein, described N is positive integer；
Described matching unit 303 specifically for:
Described N number of process or thread is used described characteristic point to be mated with all described target characteristic points,
Wherein, each process in described N number of process or thread or thread are for by arbitrary group in described N group
Target characteristic point mate with described characteristic point.
It can be seen that the terminal described in the embodiment of the present invention, can when fingerprint recognition module is pressed,
The fingerprint collecting chip utilizing fingerprint recognition module gathers pixel from multiple directions, and in multiple directions
When the pixel number that either direction gathers is more than first threshold, the pixel of either direction collection is carried out spy
Levy an extraction, when total number of the characteristic point extracted is more than Second Threshold, at characteristic point and preset fingerprint mould
Terminal time the match is successful, is unlocked by plate.Thus, during unlocked by fingerprint, owing to shortening fingerprint
Acquisition time, therefore, can improve unlocked by fingerprint efficiency.
Refer to Fig. 4, for the second example structure schematic diagram of a kind of terminal that the embodiment of the present invention provides.This
Terminal described in embodiment, including: at least one input equipment 1000；At least one outut device 2000；
At least one processor 3000, such as CPU；With memorizer 4000, above-mentioned input equipment 1000, output
Equipment 2000, processor 3000 and memorizer 4000 are connected by bus 5000.
Wherein, above-mentioned input equipment 1000 concretely contact panel, physical button or mouse, fingerprint are known
Other module etc..
Above-mentioned outut device 2000 concretely display screen.
Above-mentioned memorizer 4000 can be high-speed RAM memorizer, it is possible to for non-labile memorizer
(non-volatile memory), such as disk memory.Above-mentioned memorizer 4000 is used for storing batch processing
Code, above-mentioned input equipment 1000, outut device 2000 and processor 3000 are used for calling memorizer 4000
The program code of middle storage, performs to operate as follows:
Above-mentioned processor 3000, is used for:
When fingerprint recognition module is pressed, described fingerprint recognition module is utilized to gather pixel from multiple directions；
When the pixel number that either direction in the plurality of direction gathers is more than first threshold, to described
The pixel of either direction collection carries out feature point extraction；
When total number of the described characteristic point extracted is more than Second Threshold, by described characteristic point and preset fingerprint
Template is mated；
When described characteristic point is with described preset fingerprint template matching success, terminal is unlocked.
Alternatively, above-mentioned processor 3000 utilizes described fingerprint recognition module to gather pixel from multiple directions,
Including:
Described fingerprint recognition module is utilized to gather capacitance from multiple directions；
Described capacitance is carried out binary conversion treatment；
Capacitance after described binary conversion treatment is converted into pixel.
Alternatively, described capacitance is carried out binary conversion treatment by above-mentioned processor 3000, including:
At least one direction obtains from the plurality of direction multiple capacitance；
Determine the average of the plurality of capacitance；
Binary conversion treatment is carried out according to all capacitances that the plurality of direction is gathered by described average.
Alternatively, the pixel that described either direction is gathered by above-mentioned processor 3000 carry out feature point extraction it
Before, also particularly useful for:
The pixel gathering described either direction carries out image enhancement processing.
Alternatively, before described characteristic point is mated by above-mentioned processor 300 with preset fingerprint template, also
Specifically for:
Stop all directions in the plurality of direction and gather pixel.
Alternatively, above-mentioned processor 3000, when fingerprint recognition module is pressed, utilizes described fingerprint recognition mould
Before group gathers pixel from multiple directions, also particularly useful for；
Extract the target characteristic point of preset fingerprint template；
The target characteristic point of described preset fingerprint template is divided into N group, and wherein, described N is positive integer；
Described described characteristic point is mated with preset fingerprint template, including:
Described N number of process or thread is used described characteristic point to be mated with all described target characteristic points,
Wherein, each process in described N number of process or thread or thread are for by arbitrary group in described N group
Target characteristic point mate with described characteristic point.
Fig. 5 is illustrated that the block diagram of the part-structure of the mobile phone relevant to the terminal of embodiment of the present invention offer.
With reference to Fig. 5, mobile phone includes: radio frequency (Radio Frequency, RF) circuit 510, memorizer 520, defeated
Enter unit 530, display unit 540, sensor 550, voicefrequency circuit 560, Wireless Fidelity (Wireless Fidelity,
WiFi) parts such as module 570, processor 580 and power supply 590.It will be understood by those skilled in the art that
Handset structure shown in Fig. 5 is not intended that the restriction to mobile phone, can include more more or less of than diagram
Parts, or combine some parts, or different parts are arranged.
Below in conjunction with Fig. 5 each component parts of mobile phone carried out concrete introduction:
RF circuit 510 can be used for receiving and sending messages or in communication process, the reception of signal and transmission, especially,
After the downlink information of base station is received, process to processor 580；It addition, data up for design are sent
To base station.Generally, RF circuit 510 include but not limited to antenna, at least one amplifier, transceiver,
Bonder, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..Additionally, RF is electric
Road 510 can also be communicated with network and other equipment by radio communication.Above-mentioned radio communication can use appoints
One communication standard or agreement, include but not limited to global system for mobile communications (Global System of Mobile
Communication, GSM), general packet radio service (General Packet Radio Service, GPRS),
CDMA (Code Division Multiple Access, CDMA), WCDMA (Wideband
Code Division Multiple Access, WCDMA), Long Term Evolution (Long Term Evolution,
LTE), Email, Short Message Service (Short Messaging Service, SMS) etc..
Memorizer 520 can be used for storing software program and module, and processor 580 is stored in by operation
The software program of reservoir 520 and module, thus perform the application of various functions and the data process of mobile phone.
Memorizer 520 can mainly include storing program area and storage data field, and wherein, storage program area can store behaviour
Make the application program (such as sound-playing function, image player function etc.) needed for system, at least one function
Deng；Storage data field can store data (the such as voice data, phone directory that the use according to mobile phone is created
Deng) etc..Additionally, memorizer 520 can include high-speed random access memory, it is also possible to include non-volatile
Property memorizer, for example, at least one disk memory, flush memory device or other volatile solid-state
Part.
Input block 530 can be used for receiving numeral or the character information of input, and produces the user with mobile phone
Arrange and function controls relevant key signals input.Specifically, input block 530 can include contact panel
531 and other input equipments 532.Contact panel 531, also referred to as touch screen, can collect user thereon
Or neighbouring touch operation (such as user uses any applicable object such as finger, stylus or adnexa at touch-control
Operation on panel 531 or near contact panel 531), and drive corresponding according to formula set in advance
Attachment means.Optionally, contact panel 531 can include touch detecting apparatus and two parts of touch controller.
Wherein, the touch orientation of touch detecting apparatus detection user, and detect the signal that touch operation brings, will letter
Number send touch controller to；Touch controller receives touch information from touch detecting apparatus, and it is turned
Change contact coordinate into, then give processor 580, and order that processor 580 sends can be received and performed.
Furthermore, it is possible to use the polytypes such as resistance-type, condenser type, infrared ray and surface acoustic wave to realize touch surface
Plate 531.Except contact panel 531, input block 530 can also include other input equipments 532.Specifically
Ground, other input equipments 532 can include but not limited to that (such as volume controls to press for physical keyboard, function key
Key, switch key etc.), trace ball, mouse, one or more in action bars etc..
Display unit 540 can be used for showing the information inputted by user or the information being supplied to user and mobile phone
Various menus.Display unit 540 can include display floater 541, optionally, can use liquid crystal display
(Liquid Crystal Display, LCD), Organic Light Emitting Diode (Organic Light-Emitting Diode,
Etc. OLED) form configures display floater 541.Further, contact panel 531 can cover display floater
541, when contact panel 531 detects thereon or after neighbouring touch operation, send to processor 580 with
Determine the type of touch event, with preprocessor 580 according to the type of touch event on display floater 541
Corresponding visual output is provided.Although in Figure 5, contact panel 531 and display floater 541 are as two
Individual independent parts realize input and the input function of mobile phone, but in some embodiments it is possible to will touch
Control panel 531 is integrated with display floater 541 and realizes input and the output function of mobile phone.
Mobile phone may also include at least one sensor 550, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor can include ambient light sensor and proximity transducer, and wherein, ambient light passes
Sensor can regulate the brightness of display floater 541 according to the light and shade of ambient light, and proximity transducer can be at mobile phone
When moving in one's ear, close display floater 541 and/or backlight.As the one of motion sensor, accelerometer
Sensor can detect the size of (generally three axles) acceleration in all directions, can detect that gravity time static
Size and direction, can be used for identify mobile phone attitude application (such as horizontal/vertical screen switching, dependent game, magnetic
Power meter pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；Also can join as mobile phone
Other sensors such as the gyroscope put, barometer, drimeter, thermometer, infrared ray sensor, at this not
Repeat again.
Voicefrequency circuit 560, speaker 561, microphone 562 can provide the audio interface between user and mobile phone.
The signal of telecommunication after the voice data conversion that voicefrequency circuit 560 can will receive, is transferred to speaker 561, by raising
Sound device 561 is converted to acoustical signal output；On the other hand, the acoustical signal conversion that microphone 562 will be collected
For the signal of telecommunication, voicefrequency circuit 560 after receiving, be converted to voice data, then by voice data output processor
After 580 process, through RF circuit 510 to be sent to such as another mobile phone, or voice data is exported to depositing
Reservoir 520 is to process further.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user to receive and dispatch by WiFi module 570
Email, browsing webpage and access streaming video etc., it has provided the user wireless broadband internet and has visited
Ask.Although Fig. 5 shows WiFi module 570, but it is understood that, itself and be not belonging to mobile phone must
Must constitute, can omit in not changing the scope of essence of invention as required completely.
Processor 580 is the control centre of mobile phone, utilizes various interface and the whole mobile phone of connection each
Part, is stored in the software program in memorizer 520 and/or module by running or performing, and calls and deposit
Storage data in memorizer 520, perform the various functions of mobile phone and process data, thus carrying out mobile phone
Integral monitoring.Optionally, processor 580 can include one or more processing unit；Preferably, processor
580 can integrated application processor and modem processor, wherein, application processor mainly process operating system,
User interface and application program etc., modem processor mainly processes radio communication.It is understood that
Above-mentioned modem processor can not also be integrated in processor 580.
Mobile phone also includes the power supply 590 (such as battery) powered to all parts, it is preferred that power supply can lead to
Cross power-supply management system logically contiguous with processor 580, thus charged by power-supply management system realization management,
The functions such as electric discharge and power managed.
Although not shown, mobile phone can also include photographic head, bluetooth module etc., does not repeats them here.
In previous embodiment, each step method flow process can structure based on this terminal realize.Wherein sensor
550 or contact panel 531 can use as fingerprint recognition module.
The embodiment of the present invention also provides for a kind of computer-readable storage medium, and wherein, this computer-readable storage medium can be deposited
Containing program, this program includes any unlocked by fingerprint method described in said method embodiment when performing
Part or all of step.
Although combine each embodiment invention has been described at this, but, required for protection in enforcement
In process of the present invention, those skilled in the art are by checking described accompanying drawing, disclosure and appended right
Claim, it will be appreciated that and realize other changes of described open embodiment.In the claims, " include "
(comprising) word is not excluded for other ingredients or step, and "a" or "an" is not excluded for multiple feelings
Condition.Single processor or other unit can realize some the functions enumerated in claim.Mutually different
Be recited in mutually different dependent some measure, the generation it is not intended that these measures can not combine
Good effect.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device (equipment) or
Computer program.Therefore, the present invention can use complete hardware embodiment, complete software implementation or
Form in conjunction with the embodiment in terms of software and hardware.And, the present invention can use one or more wherein
Include computer usable program code computer-usable storage medium (include but not limited to disk memory,
CD-ROM, optical memory etc.) form of the upper computer program implemented.Computer program storage/
It is distributed in suitable medium, provides together with other hardware or as the part of hardware, it would however also be possible to employ
Other distribution forms, as by Internet or other wired or wireless telecommunication system.
The present invention is with reference to the method for the embodiment of the present invention, device (equipment) and the stream of computer program
Journey figure and/or block diagram describe.It should be understood that can be by computer program instructions flowchart and/or block diagram
In each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can
There is provided these computer program instructions to general purpose computer, special-purpose computer, Embedded Processor or other can
The processor of programming data processing equipment is to produce a machine so that by computer or other numbers able to programme
The instruction performed according to the processor of processing equipment produce for realize one flow process of flow chart or multiple flow process and/
Or the device of the function specified in one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing device
In the computer-readable memory worked in a specific way so that be stored in this computer-readable memory
Instruction produces the manufacture including command device, and this command device realizes at one flow process of flow chart or multiple stream
The function specified in journey and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, makes
Sequence of operations step must be performed to produce computer implemented place on computer or other programmable devices
Reason, thus the instruction performed on computer or other programmable devices provides for realizing flow chart one
The step of the function specified in flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
Although in conjunction with specific features and embodiment, invention has been described, it is clear that, do not taking off
In the case of the spirit and scope of the present invention, it can be carried out various amendment and combination.Correspondingly, this theory
The exemplary illustration of the present invention that bright book and accompanying drawing only claims are defined, and be considered as covering
In the scope of the invention arbitrarily and all modifications, change, combine or equivalent.Obviously, the technology of this area
Personnel can carry out various change and modification without departing from the spirit and scope of the present invention to the present invention.So,
If these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof,
Then the present invention is also intended to comprise these change and modification.
Claims (13)
1. a unlocked by fingerprint method, it is characterised in that including:
When fingerprint recognition module is pressed, described fingerprint recognition module is utilized to gather pixel from multiple directions；
When the pixel number that either direction in the plurality of direction gathers is more than first threshold, to described
The pixel of either direction collection carries out feature point extraction；
When total number of the described characteristic point extracted is more than Second Threshold, by described characteristic point and preset fingerprint
Template is mated；
When described characteristic point is with described preset fingerprint template matching success, terminal is unlocked.
Method the most according to claim 1, it is characterised in that described utilize described fingerprint recognition module
Pixel is gathered from multiple directions, including:
Described fingerprint recognition module is utilized to gather capacitance from multiple directions；
Described capacitance is carried out binary conversion treatment；
Capacitance after described binary conversion treatment is converted into pixel.
Method the most according to claim 2, it is characterised in that described described capacitance is carried out two-value
Change processes, including:
At least one direction obtains from the plurality of direction multiple capacitance；
Determine the average of the plurality of capacitance；
Binary conversion treatment is carried out according to all capacitances that the plurality of direction is gathered by described average.
4. according to the method described in any one of claims 1 to 3, it is characterised in that described to described arbitrary
Before the pixel that direction gathers carries out feature point extraction, described method also includes:
The pixel gathering described either direction carries out image enhancement processing.
5. according to the method described in any one of claims 1 to 3, it is characterised in that described by described feature
Before point mates with preset fingerprint template, described method also includes:
Stop all directions in the plurality of direction and gather pixel.
6. according to the method described in any one of claims 1 to 3, it is characterised in that described in fingerprint recognition
When module is pressed, described fingerprint recognition module is utilized to gather before pixel from multiple directions, described method
Also include:
Extract the target characteristic point of preset fingerprint template；
The target characteristic point of described preset fingerprint template is divided into N group, and wherein, described N is positive integer；
Described described characteristic point is mated with preset fingerprint template, including:
Described N number of process or thread is used described characteristic point to be mated with all described target characteristic points,
Wherein, each process in described N number of process or thread or thread are for by arbitrary group in described N group
Target characteristic point mate with described characteristic point.
7. a terminal, it is characterised in that including:
Collecting unit, for when fingerprint recognition module is pressed, utilizes described fingerprint recognition module from multiple
Direction gathers pixel；
Extraction unit, the pixel number gathered for the either direction in the plurality of direction is more than first
During threshold value, the pixel gathering described either direction carries out feature point extraction；
Matching unit, for when total number of the described characteristic point extracted is more than Second Threshold, by described spy
Levy and a little mate with preset fingerprint template；
Solve lock unit, for when described characteristic point is with described preset fingerprint template matching success, terminal being entered
Row unlocks.
Terminal the most according to claim 7, it is characterised in that described collecting unit includes:
Acquisition module, is used for utilizing described fingerprint recognition module to gather capacitance from multiple directions；
First processing module, for carrying out binary conversion treatment by described capacitance；
Conversion module, for being converted into pixel by the capacitance after described binary conversion treatment.
Terminal the most according to claim 8, it is characterised in that described first processing module includes:
Acquisition module, for obtaining multiple capacitance from the plurality of direction at least one direction；
Determine module, for determining the average of the plurality of capacitance；
Second processing module, is carried out for all capacitances gathered the plurality of direction according to described average
Binary conversion treatment.
10. according to the terminal described in any one of claim 7 to 9, it is characterised in that described terminal is also wrapped
Include:
Processing unit, carries out characteristic point for the pixel gathered described either direction at described extraction unit
Before extraction, the pixel gathering described either direction carries out image enhancement processing.
11. according to the terminal described in any one of claim 7 to 9, it is characterised in that described terminal is also wrapped
Include:
Control unit, for carrying out mating it with preset fingerprint template by described characteristic point at described matching unit
Before, stop all directions in the plurality of direction and gather pixel.
12. according to the terminal described in any one of claim 7 to 9, it is characterised in that described terminal is also wrapped
Include:
Described extraction unit is additionally operable to:
When described collecting unit is pressed at fingerprint recognition module, utilize described fingerprint recognition module from multiple
Before direction gathers pixel, extract the target characteristic point of preset fingerprint template；
Grouped element, the target characteristic point minute of the described preset fingerprint template for described extraction unit is extracted
For N group, wherein, described N is positive integer；
Described matching unit specifically for:
Described N number of process or thread is used described characteristic point to be mated with all described target characteristic points,
Wherein, each process in described N number of process or thread or thread are for by arbitrary group in described N group
Target characteristic point mate with described characteristic point.
13. 1 kinds of terminals, it is characterised in that including:
Processor and memorizer；Wherein, described processor is by calling the code in described memorizer or instruction
To perform the method as described in claim 1-6 any one.
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| CN201610436134.7A CN106022074B (en) | 2016-06-17 | 2016-06-17 | A kind of unlocked by fingerprint method and terminal |
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| CN201610436134.7A CN106022074B (en) | 2016-06-17 | 2016-06-17 | A kind of unlocked by fingerprint method and terminal |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107247918A (en) * | 2017-04-26 | 2017-10-13 | 努比亚技术有限公司 | A kind of terminal and fingerprint imaging method |
| CN107657456A (en) * | 2017-10-19 | 2018-02-02 | 佛山市章扬科技有限公司 | A kind of payment method |
| CN107800877A (en) * | 2017-10-19 | 2018-03-13 | 佛山市章扬科技有限公司 | A kind of method for limiting mobile phone usage time |
| CN107862186A (en) * | 2017-10-19 | 2018-03-30 | 佛山市章扬科技有限公司 | A kind of mobile phone unlocking method |
| CN114973338A (en) * | 2022-06-16 | 2022-08-30 | 慧之安信息技术股份有限公司 | Sentinel position confirmation method based on fingerprint identification |
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| CN103198289A (en) * | 2012-01-04 | 2013-07-10 | 金佶科技股份有限公司 | Dual-lens fingerprint identification method and device thereof |
| KR20140117125A (en) * | 2013-03-26 | 2014-10-07 | 삼성전자주식회사 | Method of detecting fingerprint and electronic device thereof |
| CN105354544A (en) * | 2015-10-29 | 2016-02-24 | 小米科技有限责任公司 | Fingerprint identification method and apparatus |
| CN105608409A (en) * | 2015-07-16 | 2016-05-25 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for fingerprint identification |
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| CN103198289A (en) * | 2012-01-04 | 2013-07-10 | 金佶科技股份有限公司 | Dual-lens fingerprint identification method and device thereof |
| KR20140117125A (en) * | 2013-03-26 | 2014-10-07 | 삼성전자주식회사 | Method of detecting fingerprint and electronic device thereof |
| CN105608409A (en) * | 2015-07-16 | 2016-05-25 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for fingerprint identification |
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| CN107247918A (en) * | 2017-04-26 | 2017-10-13 | 努比亚技术有限公司 | A kind of terminal and fingerprint imaging method |
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| CN107800877A (en) * | 2017-10-19 | 2018-03-13 | 佛山市章扬科技有限公司 | A kind of method for limiting mobile phone usage time |
| CN107862186A (en) * | 2017-10-19 | 2018-03-30 | 佛山市章扬科技有限公司 | A kind of mobile phone unlocking method |
| CN114973338A (en) * | 2022-06-16 | 2022-08-30 | 慧之安信息技术股份有限公司 | Sentinel position confirmation method based on fingerprint identification |
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| CN106022074B (en) | 2017-09-29 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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