CN105912918B - A kind of unlocked by fingerprint method and terminal - Google Patents

A kind of unlocked by fingerprint method and terminal Download PDF

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Publication number
CN105912918B
CN105912918B CN201610436081.9A CN201610436081A CN105912918B CN 105912918 B CN105912918 B CN 105912918B CN 201610436081 A CN201610436081 A CN 201610436081A CN 105912918 B CN105912918 B CN 105912918B
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China
Prior art keywords
fingerprint
isolated area
recognition mould
target
preset
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CN201610436081.9A
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CN105912918A (en
Inventor
张海平
周意保
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201610436081.9A priority Critical patent/CN105912918B/en
Publication of CN105912918A publication Critical patent/CN105912918A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31User authentication
    • G06F21/32User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00006Acquiring or recognising fingerprints or palmprints
    • G06K9/00087Matching; Classification

Abstract

The embodiment of the invention discloses a kind of unlocked by fingerprint methods, comprising: when fingerprint recognition mould group is pressed, determines the pressing range of the fingerprint recognition mould group;The pressing range is divided into multiple isolated areas;Utilize the fingerprint image of fingerprint recognition mould group acquisition target isolated area, wherein the target isolated area is at least one isolated area in the multiple isolated area;The fingerprint image is matched with preset fingerprint template;In the fingerprint image and preset fingerprint template matching success, terminal is unlocked.The embodiment of the invention also provides a kind of terminals.It can determine that user presses the pressing range of fingerprint recognition mould group through the embodiment of the present invention, within the scope of the pressing, determine target isolated area, and fingerprint image is acquired in the target isolated area, the acquisition area of fingerprint image can be reduced, shorten the fingerprint image acquisition time, thus, unlocked by fingerprint efficiency can be improved.

Description

A kind of unlocked by fingerprint method and terminal
Technical field
The present invention relates to technical field of electronic equipment more particularly to a kind of unlocked by fingerprint methods and terminal.
Background technique
With the fast development of information technology, terminal (such as mobile phone, tablet computer) using more more and more universal.Fingerprint For identification technology as the standard configuration technology in terminal, fingerprint identification technology can be not only used for the unlock, wake-up, mobile payment of terminal Etc. in be used widely.While fingerprint identification technology prevalence, in order to realize quick release, the unlocked time of terminal It is the direct concern of terminal manufacturer.In the prior art, often due to unlocked by fingerprint efficiency is lower, thus, reduce use Family experience.
Summary of the invention
The embodiment of the invention provides a kind of unlocked by fingerprint method and terminals, can be improved unlocked by fingerprint efficiency.
First aspect of the embodiment of the present invention discloses a kind of unlocked by fingerprint method, comprising:
When fingerprint recognition mould group is pressed, the pressing range of the fingerprint recognition mould group is determined;
The pressing range is divided into multiple isolated areas;
Utilize the fingerprint image of fingerprint recognition mould group acquisition target isolated area, wherein the target isolated area For at least one isolated area in the multiple isolated area;
The fingerprint image is matched with preset fingerprint template;
In the fingerprint image and preset fingerprint template matching success, terminal is unlocked.
Second aspect of the embodiment of the present invention discloses a kind of terminal, comprising:
Determination unit, for determining the pressing range of the fingerprint recognition mould group when fingerprint recognition mould group is pressed;
Division unit, for the pressing range to be divided into multiple isolated areas;
Acquisition unit, for the fingerprint image using fingerprint recognition mould group acquisition target isolated area, wherein described Target isolated area is at least one isolated area in the multiple isolated area;
Matching unit, for matching the fingerprint image with preset fingerprint template;
Unlocking unit, for being solved to terminal in the fingerprint image and preset fingerprint template matching success Lock.
The third aspect of the embodiment of the present invention discloses a kind of terminal, comprising:
Processor and memory;Wherein, the processor is used to call the executable program generation in the memory Code, executes some or all of step of first aspect.
The implementation of the embodiments of the present invention has the following beneficial effects:
As can be seen that, when fingerprint recognition mould group is pressed, determining the pressing of fingerprint recognition mould group in the embodiment of the present invention Pressing range is divided into multiple isolated areas, the fingerprint image of target isolated area is acquired using fingerprint recognition mould group by range, In, target isolated area is at least one region in multiple isolated areas, by fingerprint image and the progress of preset fingerprint template Match, in fingerprint image and the success of preset fingerprint template matching, terminal is unlocked.Accordingly, it can be determined that user presses fingerprint The pressing range of identification mould group determines target isolated area, and acquire and refer in the target isolated area within the scope of the pressing Print image can reduce the acquisition area of fingerprint image, shorten the fingerprint image acquisition time, thus, unlocked by fingerprint efficiency can be improved.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, general for this field For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow diagram of the first embodiment of unlocked by fingerprint method disclosed by the embodiments of the present invention;
Fig. 1 a is a kind of isolated area segmentation schematic diagram disclosed by the embodiments of the present invention;
Fig. 2 is a kind of flow diagram of the second embodiment of unlocked by fingerprint method disclosed by the embodiments of the present invention;
Fig. 3 a is a kind of structural schematic diagram of the first embodiment of terminal disclosed by the embodiments of the present invention;
Fig. 3 b is the structural schematic diagram of the determination unit of terminal described in Fig. 3 a disclosed by the embodiments of the present invention;
Fig. 3 c is the structural schematic diagram of the acquisition unit of terminal described in Fig. 3 a disclosed by the embodiments of the present invention;
Fig. 3 d is the structural schematic diagram of the matching unit of terminal described in Fig. 3 a disclosed by the embodiments of the present invention;
Fig. 3 e is a kind of another structural schematic diagram of the first embodiment of terminal disclosed by the embodiments of the present invention;
Fig. 4 is a kind of structural schematic diagram of the second embodiment of terminal disclosed by the embodiments of the present invention;
Fig. 5 is a kind of structural schematic diagram of mobile phone disclosed by the embodiments of the present invention.
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.
Description and claims of this specification and term " first ", " second ", " third " and " in the attached drawing Four " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and it Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process, method of a series of steps or units, be System, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or list Member, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and Implicitly understand, embodiment described herein can be combined with other embodiments.
Terminal described in the embodiment of the present invention may include smart phone (such as Android phone, iOS mobile phone, Windows Phone mobile phone etc.), tablet computer, palm PC, laptop, mobile internet device (MID, Mobile Internet Devices) or wearable device etc., above-mentioned terminal is only citing, and non exhaustive, including but not limited to above-mentioned end End.
Referring to Fig. 1, being a kind of first embodiment flow diagram of unlocked by fingerprint method provided in an embodiment of the present invention. Unlocked by fingerprint method as described in this embodiment, comprising the following steps:
101, when fingerprint recognition mould group is pressed, the pressing range of the fingerprint recognition mould group is determined.
Wherein, fingerprint recognition mould group may include fingerprint collecting chip, and fingerprint recognition mould group can integrated pressure sensor.Fingerprint Acquisition chip is made of multiple collection points, and each collection point can acquire capacitance, which can be converted into pixel value, again Pressing dynamics can be acquired.
Optionally, step 101 may include following steps:
11) pressing dynamics of each collection point of the fingerprint recognition mould group, are detected;
12) region that the target collection point that the pressing dynamics are greater than preset threshold forms, is determined as the fingerprint to know The pressing range of other mould group.
Wherein, if a certain collection point in fingerprint recognition mould group is pressed or is contacted, which presses Surging can be greater than 0, and if a certain collection point is not pressed or is contacted, then, the pressing dynamics of the collection point can be equal to 0.Therefore, above-mentioned steps 11 can detect the pressing dynamics of each collection point of fingerprint recognition mould group, and can be preset one in advance If threshold value, the pressing dynamics of a certain collection point are greater than the preset threshold, can illustrate that the collection point is pressed, conversely, a certain acquisition The pressing dynamics of point are less than or equal to preset threshold, then the collection point can be illustrated not by by pressing.Preset threshold may include but not It is only limitted to: 0 N, 0.1 N, 0.01 N, 0.02 N, 0.2 N, 1 N etc., being not limited thereto.It further, can be by pressing force The collection point that degree is greater than preset threshold forms a region, which is the pressing range of fingerprint recognition mould group.
102, the pressing range is divided into multiple isolated areas.
Wherein, after pressing range has determined, it may be determined that the center of the pressing range is based on the center for the pressing model It encloses and is divided into multiple isolated areas, under illustration, as shown in Figure 1a, which is divided into 4 regions, can first determine pressing Then the center O of range is divided into 4 fan-shaped regions for range is pressed based on center O, it can be seen that each region includes O is pinpointed, and the angular range of each fan-shaped region is 90 degree.
Optionally, naturally it is also possible to which the pressing range is equally divided into more by the area for determining pressing range based on the area A isolated area.
Still optionally further, pressing range unevenly can also be divided into multiple isolated areas, wherein multiple independence The area of part isolated area in region is identical.
103, the fingerprint image of fingerprint recognition mould group acquisition target isolated area is utilized, wherein the target is independent Region is at least one isolated area in the multiple isolated area.
Wherein, target isolated area can one or more in multiple isolated areas, having chosen target isolated area Later, fingerprint image is acquired using the target isolated area, specifically, is acquired using the collection point in target isolated area The capacitance is converted pixel value by capacitance, and by the pixel value composite finger picture after conversion, capacitance exists under normal conditions Between 0~1, and pixel value value then can be converted into pixel value according to mapping relations between the two 0~255, for example, electric Capacitance is 0, and corresponding pixel value is also 0, capacitance 1, and corresponding pixel value is 255, capacitance 0.5, corresponding pixel Value is 125.
Optionally, when target isolated area is multiple, multiple processes or thread parallel acquisition fingerprint image can be used.
Optionally, step 103 can include the following steps:
31) multiple capacitances in fingerprint recognition mould group acquisition target isolated area, are utilized;
32) the multiple capacitance, is subjected to binary conversion treatment;
33), pixel value is converted by multiple capacitances after the binary conversion treatment.
Still optionally further, step 32 may include step:
321) the target isolated area, is divided into multiple regions;
322), at least one capacitance is chosen from each region in the multiple region respectively;
323) mean value of the capacitance of the selection, is determined;
324) binary conversion treatment, is carried out to the multiple capacitance according to the mean value.
104, the fingerprint image is matched with preset fingerprint template.
Optionally, can take the fingerprint the feature of image and preset fingerprint template respectively, and this feature can be characterized a little or special Levy lines, wherein the method for extracting characteristic point can be Harris angle point grid, alternatively, scale invariant feature extracts (Scale Invariant Feature Transform, SIFT) etc., it is not limited here.
Optionally, step 104 may include step:
It 41) is, multiple portions fingerprint image by the Fingerprint Image Segmentation;
42), in a parallel mode, the multiple partial fingerprints image is matched with preset fingerprint template.
Fingerprint image can be split, be divided into multiple portions fingerprint image, which can refer to step 102, Details are not described herein.
In above-mentioned steps 402, how many partial fingerprints image, so that it may distribute how many thread or process, each thread Or process is for matching a partial fingerprints image with preset fingerprint template.
Under illustration, target area can be the isolated area of the most intermediate isolated area and its periphery of pressing range, First most intermediate isolated area can be matched with preset fingerprint template, obtain a matching value, if it fails to match, then, Then, the isolated area that at least one periphery of the most intermediate isolated area may be selected is matched with preset fingerprint template, A matching value can be obtained again, calculate the sum of two matching values, if being less than, prompted if more than unlock threshold value then to terminal unlocking User re-presses fingerprint recognition mould group.Alternatively, can in most intermediate isolated area, it fails to match, then, preferentially by its periphery Isolated area include characteristic point more than isolated area matched with preset fingerprint template, in matching process, can add up matching Degree, alternatively, matching area can be unlocked terminal if matching degree or matching area are greater than preset threshold.
Illustrate again under, target area can be the independent zones of the most intermediate isolated area and its periphery of pressing range Domain can first match at least one isolated area on most intermediate isolated area and its periphery with preset fingerprint template, if Successful match is then unlocked terminal, if it fails to match, user is prompted to re-press fingerprint recognition mould group.
105, in the fingerprint image and preset fingerprint template matching success, terminal is unlocked.
Wherein, in fingerprint image and the success of preset fingerprint template matching, terminal can be unlocked or in terminal Some application be unlocked.For example, being unlocked in the case where terminal is in and puts out screen state to terminal, the display screen of terminal is lighted, And show the desktop after unlock;Alternatively, being unlocked in the case where terminal is in bright screen state to terminal, the table after display unlock Face;Alternatively, being under unlocked state in terminal, at least one application of terminal can be unlocked, that is, start this at least one A application or the default page for showing a certain application at least one application;Alternatively, in the case where terminal is in and puts out screen state, At least one application of terminal can be unlocked, that is, start at least one application or shown at least one application The default page of a certain application.
As can be seen that, when fingerprint recognition mould group is pressed, determining the pressing of fingerprint recognition mould group in the embodiment of the present invention Pressing range is divided into multiple isolated areas, the fingerprint image of target isolated area is acquired using fingerprint recognition mould group by range, In, target isolated area is at least one region in multiple isolated areas, by fingerprint image and the progress of preset fingerprint template Match, in fingerprint image and the success of preset fingerprint template matching, terminal is unlocked.Accordingly, it can be determined that user presses fingerprint The pressing range of identification mould group determines target isolated area, and acquire and refer in the target isolated area within the scope of the pressing Print image can reduce the acquisition area of fingerprint image, shorten the fingerprint image acquisition time, thus, unlocked by fingerprint efficiency can be improved.
Consistently with above-described embodiment, referring to Fig. 2, for the of a kind of unlocked by fingerprint method provided in an embodiment of the present invention Two embodiment flow diagrams.Unlocked by fingerprint method as described in this embodiment, comprising the following steps:
201, the target feature point of preset fingerprint template is extracted;
202, the target feature point of the preset fingerprint template is divided into N group, wherein the N is positive integer;
203, when fingerprint recognition mould group is pressed, the pressing force of each collection point of the fingerprint recognition mould group is detected Degree;
204, the region that the target collection point that the pressing dynamics are greater than preset threshold forms is determined as the fingerprint to know The pressing range of other mould group.
205, the pressing range is divided into multiple isolated areas;
206, the fingerprint image of fingerprint recognition mould group acquisition target isolated area is utilized, wherein the target is independent Region is at least one isolated area in the multiple isolated area;
207, the characteristic point of the fingerprint image and all target signatures are clicked through using N number of process or thread Row matching, wherein each process or thread in N number of process or thread are used for the mesh in any group in the N group Mark characteristic point is matched with the characteristic point.
208, in all target feature point successful match of the characteristic point and the preset fingerprint template, to end End is unlocked.
In above-mentioned steps 201, can be used with subsequent step 207 take the fingerprint image feature order the same method extract it is special Sign point.
In above-mentioned steps 202, target feature point can be equally divided into N group, alternatively, being randomly divided into N group, which is positive integer.
, can be for N group target feature point using N number of thread or process in above-mentioned steps 207, wherein each process or Thread can be used for matching whole characteristic points of above-mentioned fingerprint image with one group of target feature point in the N group characteristic point. Assuming that 3 processes, 3 groups of target feature points, then, first process can be used for the whole characteristic points and first group of mesh of fingerprint image Mark characteristic point is matched, and second process can be used for the whole characteristic points and second group of target feature point progress of fingerprint image Match, whole characteristic points that third process can be used for fingerprint image are matched with third group target feature point, wherein 3 into Journey can execute parallel.
Optionally, other steps described in Fig. 2 can refer to the correspondence step of unlocked by fingerprint method described in Fig. 1.
It is specific as follows the following are the device for implementing unlocked by fingerprint method described in Fig. 1 or Fig. 2:
Fig. 3 a is please referred to, is a kind of schematic structural diagram of the first embodiment of terminal provided in an embodiment of the present invention.This implementation Terminal described in example, comprising: determination unit 301, division unit 302, acquisition unit 303, matching unit 304 and unlock are single Member 305, specific as follows:
Determination unit 301, for determining the pressing model of the fingerprint recognition mould group when fingerprint recognition mould group is pressed It encloses;
Division unit 302, for the pressing range to be divided into multiple isolated areas;
Acquisition unit 303, for the fingerprint image using fingerprint recognition mould group acquisition target isolated area, wherein The target isolated area is at least one isolated area in the multiple isolated area;
Matching unit 304, for matching the fingerprint image with preset fingerprint template;
Unlocking unit 305, for being carried out to terminal in the fingerprint image and preset fingerprint template matching success Unlock.
Optionally, such as Fig. 3 b, the determination unit 301 of terminal described in Fig. 3 a, comprising:
Detection module 3011, the pressing dynamics of each collection point for detecting the fingerprint recognition mould group;
First determining module 3012, the region that the target collection point for the pressing dynamics to be greater than to preset threshold forms It is determined as the pressing range of the fingerprint recognition mould group.
Optionally, such as Fig. 3 c, the acquisition unit 303 of terminal described in Fig. 3 a, comprising:
Acquisition module 3031, for utilizing multiple capacitances in fingerprint recognition mould group acquisition target isolated area;
First processing module 3032, for the multiple capacitance to be carried out binary conversion treatment;
Conversion module 3033, for converting pixel value for multiple capacitances after the binary conversion treatment.
Further, the first processing module 3032, comprising:
Division module (does not mark) in figure, for the target isolated area to be divided into multiple regions;
It chooses module (not marked in figure), for choosing at least one from each region in the multiple region respectively Capacitance;
Second determining module (does not mark) in figure, the mean value of the capacitance for determining the selection;
Second processing module (does not mark) in figure, for being carried out at binaryzation according to the mean value to the multiple capacitance Reason.
Optionally, such as Fig. 3 d, the matching unit 304 of terminal described in Fig. 3 a, comprising:
Divide module 3041, for being multiple portions fingerprint image by the Fingerprint Image Segmentation;
Matching module 3042, in a parallel mode, by the multiple partial fingerprints image and preset fingerprint template into Row matching.
Optionally, such as Fig. 3 e, terminal described in Fig. 3 a may also include that
Extraction unit 306, for, when fingerprint recognition mould group is pressed, determining the fingerprint in the determination unit 301 Before the pressing range for identifying mould group, the target feature point of preset fingerprint template is extracted;
Grouped element 307, for the target feature point of the preset fingerprint template to be divided into N group, wherein the N is positive Integer;
Further, the matching unit 303 is specifically used for:
The characteristic point of the fingerprint image and all target feature points are carried out using N number of process or thread Match, wherein each process or thread in N number of process or thread are used for the target in any group in the N group is special Sign point is matched with the characteristic point.
As can be seen that terminal described in the embodiment of the present invention can determine fingerprint when fingerprint recognition mould group is pressed Pressing range is divided into multiple isolated areas, acquires target independent zones using fingerprint recognition mould group by the pressing range for identifying mould group The fingerprint image in domain, wherein target isolated area is at least one region in multiple isolated areas, by fingerprint image and is preset Fingerprint template is matched, and in fingerprint image and the success of preset fingerprint template matching, is unlocked to terminal.It therefore, can be true The pressing range for determining user's pressing fingerprint recognition mould group determines target isolated area, and only in the target within the scope of the pressing Fingerprint image is acquired in vertical region, the acquisition area of fingerprint image can be reduced, shortens the fingerprint image acquisition time, thus, it can mention High unlocked by fingerprint efficiency.
Referring to Fig. 4, being a kind of schematic structural diagram of the second embodiment of terminal provided in an embodiment of the present invention.The present embodiment Described in terminal, comprising: at least one input equipment 1000;At least one output equipment 2000;At least one processor 3000, such as CPU;With memory 4000, above-mentioned input equipment 1000, output equipment 2000, processor 3000 and memory 4000 are connected by bus 5000.
Wherein, above-mentioned input equipment 1000 concretely touch panel, physical button or mouse, fingerprint recognition mould group etc. Deng.
Above-mentioned output equipment 2000 concretely display screen.
Above-mentioned memory 4000 can be high speed RAM memory, can also be non-labile memory (non-volatile ), such as magnetic disk storage memory.Above-mentioned memory 4000 is used to store a set of program code, above-mentioned input equipment 1000, defeated Equipment 2000 and processor 3000 are used to call the program code stored in memory 4000 out, perform the following operations:
Above-mentioned processor 3000, is used for:
When fingerprint recognition mould group is pressed, the pressing range of the fingerprint recognition mould group is determined;
The pressing range is divided into multiple isolated areas;
Utilize the fingerprint image of fingerprint recognition mould group acquisition target isolated area, wherein the target isolated area For at least one isolated area in the multiple isolated area;
The fingerprint image is matched with preset fingerprint template;
In the fingerprint image and preset fingerprint template matching success, terminal is unlocked.
Optionally, above-mentioned processor 3000 determines the pressing range of the fingerprint recognition mould group, comprising:
Detect the pressing dynamics of each collection point of the fingerprint recognition mould group;
The region that the target collection point that the pressing dynamics are greater than preset threshold forms is determined as the fingerprint recognition mould The pressing range of group.
Optionally, above-mentioned processor 3000 acquires the fingerprint image of target isolated area using the fingerprint recognition mould group, Include:
Utilize multiple capacitances in fingerprint recognition mould group acquisition target isolated area;
The multiple capacitance is subjected to binary conversion treatment;
Pixel value is converted by multiple capacitances after the binary conversion treatment.
Still optionally further, the multiple capacitance is carried out binary conversion treatment by above-mentioned processor 3000, comprising:
The target isolated area is divided into multiple regions;
At least one capacitance is chosen from each region in the multiple region respectively;
Determine the mean value of the capacitance of the selection;
Binary conversion treatment is carried out to the multiple capacitance according to the mean value.
Optionally, above-mentioned processor 3000 matches the fingerprint image with preset fingerprint template, comprising:
It is multiple portions fingerprint image by the Fingerprint Image Segmentation;
In a parallel mode, the multiple partial fingerprints image is matched with preset fingerprint template.
Optionally, above-mentioned processor 3000 is when fingerprint recognition mould group is pressed, determine the fingerprint recognition mould group by Before pressing range, also particularly useful for:
Extract the target feature point of preset fingerprint template;
The target feature point of the preset fingerprint template is divided into N group, wherein the N is positive integer;
Still optionally further, above-mentioned processor 3000 matches the fingerprint image with preset fingerprint template, comprising:
The characteristic point of the fingerprint image and all target feature points are carried out using N number of process or thread Match, wherein each process or thread in N number of process or thread are used for the target in any group in the N group is special Sign point is matched with the characteristic point.
Fig. 5 shows the block diagram of the part-structure of mobile phone relevant to terminal provided in an embodiment of the present invention.With reference to figure 5, mobile phone include: radio frequency (Radio Frequency, RF) circuit 510, memory 520, input unit 530, display unit 540, Sensor 550, voicefrequency circuit 560, Wireless Fidelity (wireless fidelity, WiFi) module 570, processor 580 and The components such as power supply 590.It will be understood by those skilled in the art that handset structure shown in Fig. 5 does not constitute the restriction to mobile phone, It may include perhaps combining certain components or different component layouts than illustrating more or fewer components.
It is specifically introduced below with reference to each component parts of the Fig. 5 to mobile phone:
RF circuit 510 can be used for receiving and sending messages or communication process in, signal sends and receivees, particularly, by base station After downlink information receives, handled to processor 580;In addition, the data for designing uplink are sent to base station.In general, RF circuit 510 Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..In addition, RF circuit 510 can also be communicated with network and other equipment by wireless communication. Any communication standard or agreement, including but not limited to global system for mobile communications (Global can be used in above-mentioned wireless communication System of Mobile communication, GSM), general packet radio service (General Packet Radio Service, GPRS), CDMA (Code Division Multiple Access, CDMA), wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA), long term evolution (Long Term Evolution, LTE), Email, short message service (Short Messaging Service, SMS) etc..
Memory 520 can be used for storing software program and module, and processor 580 is stored in memory 520 by operation Software program and module, thereby executing the various function application and data processing of mobile phone.Memory 520 can mainly include Storing program area and storage data area, wherein storing program area can application journey needed for storage program area, at least one function Sequence (such as sound-playing function, image player function etc.) etc.;Storage data area can be stored to be created according to using for mobile phone Data (such as audio data, phone directory etc.) etc..It, can be in addition, memory 520 may include high-speed random access memory Including nonvolatile memory, for example, at least a disk memory, flush memory device or other volatile solid-states Part.
Input unit 530 can be used for receiving the number or character information of input, and generate with the user setting of mobile phone with And the related key signals input of function control.Specifically, input unit 530 may include that touch panel 531 and other inputs are set Standby 532.Touch panel 531, also referred to as touch screen, collect user on it or nearby touch operation (such as user use The operation of any suitable object or attachment such as finger, stylus on touch panel 531 or near touch panel 531), and root Corresponding attachment device is driven according to preset formula.Optionally, touch panel 531 may include touch detecting apparatus and touch Two parts of controller.Wherein, the touch orientation of touch detecting apparatus detection user, and touch operation bring signal is detected, Transmit a signal to touch controller;Touch controller receives touch information from touch detecting apparatus, and is converted into touching Point coordinate, then gives processor 580, and can receive order that processor 580 is sent and be executed.Furthermore, it is possible to using electricity The multiple types such as resistive, condenser type, infrared ray and surface acoustic wave realize touch panel 531.In addition to touch panel 531, input Unit 530 can also include other input equipments 532.Specifically, other input equipments 532 can include but is not limited to secondary or physical bond One of disk, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc. are a variety of.
Display unit 540 can be used for showing information input by user or be supplied to user information and mobile phone it is various Menu.Display unit 540 may include display panel 541, optionally, can use liquid crystal display (Liquid Crystal Display, LCD), the forms such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) it is aobvious to configure Show panel 541.Further, touch panel 531 can cover display panel 541, when touch panel 531 detect it is on it or attached After close touch operation, processor 580 is sent to determine the type of touch event, is followed by subsequent processing device 580 according to touch event Type corresponding visual output is provided on display panel 541.Although in Fig. 5, touch panel 531 and display panel 541 It is that the input and input function of mobile phone are realized as two independent components, but in some embodiments it is possible to by touch-control Panel 531 and display panel 541 are integrated and that realizes mobile phone output and input function.
Mobile phone may also include at least one sensor 550, such as optical sensor, motion sensor and other sensors. Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ambient light Light and shade adjust the brightness of display panel 541, proximity sensor can close display panel 541 when mobile phone is moved in one's ear And/or backlight.As a kind of motion sensor, accelerometer sensor can detect (generally three axis) acceleration in all directions Size, can detect that size and the direction of gravity when static, can be used to identify the application of mobile phone posture, (for example horizontal/vertical screen is cut Change, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.;May be used also as mobile phone The other sensors such as gyroscope, barometer, hygrometer, thermometer, the infrared sensor of configuration, details are not described herein.
Voicefrequency circuit 560, loudspeaker 561, microphone 562 can provide the audio interface between user and mobile phone.Audio-frequency electric Electric signal after the audio data received conversion can be transferred to loudspeaker 561, be converted to sound by loudspeaker 561 by road 560 Signal output;On the other hand, the voice signal of collection is converted to electric signal by microphone 562, is turned after being received by voicefrequency circuit 560 It is changed to audio data, then by after the processing of audio data output processor 580, such as another mobile phone is sent to through RF circuit 510, Or audio data is exported to memory 520 to be further processed.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronics postal by WiFi module 570 Part, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 5 is shown WiFi module 570, but it is understood that, and it is not belonging to must be configured into for mobile phone, it can according to need do not changing completely Become in the range of the essence of invention and omits.
Processor 580 is the control centre of mobile phone, using the various pieces of various interfaces and connection whole mobile phone, is led to It crosses operation or executes the software program and/or module being stored in memory 520, and call and be stored in memory 520 Data execute the various functions and processing data of mobile phone, to carry out integral monitoring to mobile phone.Optionally, processor 580 can wrap Include one or more processing units;Preferably, processor 580 can integrate application processor and modem processor, wherein answer With the main processing operation system of processor, user interface and application program etc., modem processor mainly handles wireless communication. It is understood that above-mentioned modem processor can not also be integrated into processor 580.
Mobile phone further includes the power supply 590 (such as battery) powered to all parts, it is preferred that power supply can pass through power supply pipe Reason system and processor 580 are logically contiguous, to realize management charging, electric discharge and power managed by power-supply management system Etc. functions.
Although being not shown, mobile phone can also include camera, bluetooth module etc., and details are not described herein.
In previous embodiment, each step method process can be realized based on the structure of the terminal.Wherein sensor 550 or Touch panel 531 can be used as the use of fingerprint recognition mould group.
The embodiment of the present invention also provides a kind of computer storage medium, wherein the computer storage medium can be stored with journey Sequence, the program include some or all of any unlocked by fingerprint method recorded in above method embodiment step when executing Suddenly.
Although combining each embodiment herein, invention has been described, however, implementing the claimed invention In the process, those skilled in the art are by checking the attached drawing, disclosure and the appended claims, it will be appreciated that and it is real Other variations of the existing open embodiment.In the claims, " comprising " (comprising) word is not excluded for other compositions Part or step, "a" or "an" are not excluded for multiple situations.Claim may be implemented in single processor or other units In several functions enumerating.Mutually different has been recited in mutually different dependent certain measures, it is not intended that these are arranged It applies to combine and generates good effect.
It will be understood by those skilled in the art that the embodiment of the present invention can provide as method, apparatus (equipment) or computer journey Sequence product.Therefore, complete hardware embodiment, complete software embodiment or combining software and hardware aspects can be used in the present invention The form of embodiment.Moreover, it wherein includes the calculating of computer usable program code that the present invention, which can be used in one or more, The computer program implemented in machine usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) The form of product.Computer program is stored/distributed in suitable medium, is provided together with other hardware or as the one of hardware Part can also use other distribution forms, such as pass through the wired or wireless telecommunication system of Internet or other.
The present invention be referring to the embodiment of the present invention method, apparatus (equipment) and computer program product flow chart with/ Or block diagram describes.It should be understood that each process that can be realized by computer program instructions in flowchart and/or the block diagram and/ Or the combination of the process and/or box in box and flowchart and/or the block diagram.It can provide these computer program instructions To general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices processor to generate one A machine so that by the instruction that the processor of computer or other programmable data processing devices executes generate for realizing The device for the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
Although in conjunction with specific features and embodiment, invention has been described, it is clear that, do not departing from this hair In the case where bright spirit and scope, it can be carry out various modifications and is combined.Correspondingly, the specification and drawings are only institute The exemplary illustration of the invention that attached claim is defined, and be considered as covered in the scope of the invention any and all and repair Change, change, combining or equivalent.Obviously, those skilled in the art various changes and modifications can be made to the invention without It is detached from the spirit and scope of the present invention.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its Within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.

Claims (12)

1. a kind of unlocked by fingerprint method characterized by comprising
When fingerprint recognition mould group is pressed, the pressing range of the fingerprint recognition mould group is determined;
The pressing range is divided into multiple isolated areas;
Utilize the fingerprint image of fingerprint recognition mould group acquisition target isolated area, wherein the target isolated area is institute State at least one isolated area in multiple isolated areas;
The fingerprint image is matched with preset fingerprint template, specifically: by the Fingerprint Image Segmentation be multiple portions Fingerprint image matches the multiple partial fingerprints image with preset fingerprint template, the target is only in a parallel mode Vertical region is the isolated area of the most intermediate isolated area and its periphery of the pressing range, first by the most intermediate independence Region is matched with the preset fingerprint template, obtains a matching value, if it fails to match, the independent zones that select this most intermediate The isolated area at least one periphery in domain is matched with the preset fingerprint template, matching value of getting back, and calculates two The sum of matching value then confirms successful match if more than unlock threshold value;
In the fingerprint image and preset fingerprint template matching success, terminal is unlocked.
2. the method according to claim 1, wherein the pressing range of the determination fingerprint recognition mould group, Include:
Detect the pressing dynamics of each collection point of the fingerprint recognition mould group;
The region that the target collection point that the pressing dynamics are greater than preset threshold forms is determined as the fingerprint recognition mould group Press range.
3. the method according to any one of claims 1 and 2, which is characterized in that described to be adopted using the fingerprint recognition mould group Collect the fingerprint image of target isolated area, comprising:
Utilize multiple capacitances in fingerprint recognition mould group acquisition target isolated area;
The multiple capacitance is subjected to binary conversion treatment;
Pixel value is converted by multiple capacitances after the binary conversion treatment.
4. according to the method described in claim 3, it is characterized in that, it is described by the multiple capacitance carry out binary conversion treatment, Include:
The target isolated area is divided into multiple regions;
At least one capacitance is chosen from each region in the multiple region respectively;
Determine the mean value for the capacitance chosen;
Binary conversion treatment is carried out to the multiple capacitance according to the mean value.
5. the method according to any one of claims 1 and 2, which is characterized in that it is described when fingerprint recognition mould group is pressed, Before the pressing range for determining the fingerprint recognition mould group, the method also includes:
Extract the target feature point of preset fingerprint template;
The target feature point of the preset fingerprint template is divided into N group, wherein N is positive integer;
It is described to match the fingerprint image with preset fingerprint template, comprising:
The characteristic point of the fingerprint image is matched with all target feature points using N number of process or thread, wherein Each process or thread in N number of process or thread be used for by any group in the N group target feature point and institute Characteristic point is stated to be matched.
6. a kind of terminal characterized by comprising
Determination unit, for determining the pressing range of the fingerprint recognition mould group when fingerprint recognition mould group is pressed;
Division unit, for the pressing range to be divided into multiple isolated areas;
Acquisition unit, for the fingerprint image using fingerprint recognition mould group acquisition target isolated area, wherein the target Isolated area is at least one isolated area in the multiple isolated area;
Matching unit, for the fingerprint image to be matched with preset fingerprint template, specifically: by the fingerprint image point It is segmented into multiple portions fingerprint image, in a parallel mode, by the multiple partial fingerprints image and the progress of preset fingerprint template Match, the target isolated area is the isolated area of the most intermediate isolated area and its periphery of the pressing range, first by institute It states most intermediate isolated area to be matched with the preset fingerprint template, obtains a matching value, if it fails to match, selection should The isolated area at least one periphery of most intermediate isolated area is matched with the preset fingerprint template, is got back one Matching value calculates the sum of two matching values, if more than unlock threshold value, then confirms successful match;
Unlocking unit, for being unlocked to terminal in the fingerprint image and preset fingerprint template matching success.
7. terminal according to claim 6, which is characterized in that the determination unit includes:
Detection module, the pressing dynamics of each collection point for detecting the fingerprint recognition mould group;
First determining module, the region that the target collection point for the pressing dynamics to be greater than to preset threshold forms are determined as institute State the pressing range of fingerprint recognition mould group.
8. the described in any item terminals of according to claim 6 or 7, which is characterized in that the acquisition unit includes:
Acquisition module, for utilizing multiple capacitances in fingerprint recognition mould group acquisition target isolated area;
First processing module, for the multiple capacitance to be carried out binary conversion treatment;
Conversion module, for converting pixel value for multiple capacitances after the binary conversion treatment.
9. terminal according to claim 8, which is characterized in that the first processing module includes:
Division module, for the target isolated area to be divided into multiple regions;
Module is chosen, for choosing at least one capacitance from each region in the multiple region respectively;
Second determining module, for determining the mean value for the capacitance chosen;
Second processing module, for carrying out binary conversion treatment to the multiple capacitance according to the mean value.
10. the described in any item terminals of according to claim 6 or 7, which is characterized in that the terminal further include:
Extraction unit, for, when fingerprint recognition mould group is pressed, determining the fingerprint recognition mould group in the determination unit Before pressing range, the target feature point of preset fingerprint template is extracted;
Grouped element, for the target feature point of the preset fingerprint template to be divided into N group, wherein N is positive integer;
The matching unit is specifically used for:
The characteristic point of the fingerprint image is matched with all target feature points using N number of process or thread, wherein Each process or thread in N number of process or thread be used for by any group in the N group target feature point and institute Characteristic point is stated to be matched.
11. a kind of terminal characterized by comprising
Processor and memory;Wherein, the processor is by calling the code in the memory or instructing to execute such as power Benefit requires method described in 1-5 any one.
12. a kind of computer readable storage medium, which is characterized in that for storing computer program, wherein the computer journey Sequence makes computer execute the method according to claim 1 to 5.
CN201610436081.9A 2016-06-17 2016-06-17 A kind of unlocked by fingerprint method and terminal Active CN105912918B (en)

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