CN107122721A - A kind of fingerprint identification method and terminal - Google Patents
A kind of fingerprint identification method and terminal Download PDFInfo
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- CN107122721A CN107122721A CN201710241180.6A CN201710241180A CN107122721A CN 107122721 A CN107122721 A CN 107122721A CN 201710241180 A CN201710241180 A CN 201710241180A CN 107122721 A CN107122721 A CN 107122721A
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- fingerprint
- fingerprint image
- recognition region
- finger
- prompt message
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1365—Matching; Classification
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
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- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The embodiments of the invention provide a kind of fingerprint identification method and terminal, wherein, methods described includes：Fingerprint image is gathered in fingerprint recognition region；Judge the pixel with the presence or absence of preset kind in the fingerprint image；If there is the pixel of preset kind in the fingerprint image, the first prompt message is exported.The embodiment of the present invention can improve the quality of fingerprint image, and then lift fingerprint recognition rate, improve the usage experience of user.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of fingerprint identification method and terminal.
Background technology
With the development of science and technology, the collection of information, storage and it is shared become simple, quickly and efficiently, give people in life
Brought great convenience with work.And intelligent terminal carries people crowd as the essential instrument of people's daily life
Many privacy informations and secure data, thus how efficiently to protect important information not by unauthorized access and ensure that user accesses
It is convenient and swift to become particularly important.
For the designer that solves the above problems be based on fingerprint stable, safety, it is unique, need not remember the characteristics of have devised finger
Line identification technology, and fingerprint identification technology is widely used on intelligent terminal, to the data stored in intelligent terminal and installation
Application program locked so that realize protect important information not by unauthorized access and ensure user access it is convenient and swift
Purpose.
Fingerprint identification technology in current terminal be mainly integrated in terminal the back side (rearmounted fingerprint) and front home keys it is (preceding
Put home keys fingerprint), although rearmounted fingerprint and preposition home keys fingerprint can functionally reach locks and protects weight to terminal
The purpose of information is wanted, but existing fingerprint identification technology gathers fingerprint image after finger pressing home keys are detected, and no matter adopts
How the fingerprint image quality of collection blindly carries out fingerprint image certification matching, and discrimination is relatively low, influences the usage experience of user.
The content of the invention
The present invention provides a kind of fingerprint identification method and terminal, to solve discrimination present in existing fingerprinting scheme
Relatively low the problem of.
According to one aspect of the present invention there is provided a kind of fingerprint identification method, applied to terminal, methods described includes：
Fingerprint image is gathered in fingerprint recognition region；
Judge the pixel with the presence or absence of preset kind in the fingerprint image；
If there is the pixel of preset kind in the fingerprint image, the first prompt message is exported.
According to another aspect of the present invention there is provided a kind of terminal, including：
Acquisition module, for gathering fingerprint image in fingerprint recognition region；
First judge module, for judging the pixel in the fingerprint image with the presence or absence of preset kind；
First prompt message output module, if the judged result for first judge module is the presence of preset kind
Pixel, then export the first prompt message.
Compared with prior art, the present invention has advantages below：
Fingerprint identification method provided in an embodiment of the present invention and terminal, after fingerprint image is collected, are not blindly carried out
Fingerprint image is matched, but judges to whether there is the pixel of preset kind in fingerprint image, it is possible to increase the matter of fingerprint image
Amount, and then fingerprint recognition rate is lifted, improve the usage experience of user.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow above and other objects of the present invention, feature and advantage can
Become apparent, below especially exemplified by the embodiment of the present invention.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various advantages and benefit are for ordinary skill people
Member will be clear understanding.Accompanying drawing is only used for showing preferred embodiment, and is not considered as limitation of the present invention.And
In whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is a kind of step flow chart of according to embodiments of the present invention one fingerprint identification method；
Fig. 2 is a kind of step flow chart of according to embodiments of the present invention two fingerprint identification method；
Fig. 3 is a kind of structured flowchart of according to embodiments of the present invention three terminal；
Fig. 4 is a kind of structured flowchart of according to embodiments of the present invention four terminal；
Fig. 5 is a kind of structured flowchart of according to embodiments of the present invention five terminal；
Fig. 6 is a kind of structured flowchart of according to embodiments of the present invention six terminal.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
Embodiment one
Reference picture 1, shows a kind of step flow chart of fingerprint identification method of the embodiment of the present invention one, including following step
Suddenly：
Step 101：Fingerprint image is gathered in fingerprint recognition region.
Specifically, under the opening of finger print identifying interface, when terminal detects the behaviour in finger pressing fingerprint recognition region
When making, fingerprint image is gathered.Finger print identifying interface can be the unlock interface of terminal, or application program unlock interface.
Step 102：Judge the pixel with the presence or absence of preset kind in fingerprint image.
Wherein, the pixel of preset kind can be corresponding with the spot on the finger being pressed against on fingerprint recognition region
Pixel or pixel corresponding with the spot on fingerprint recognition region, its specific form can be bubble, bubble
Deng.
When there is the pixel of preset kind in fingerprint image, represent have on the finger being pressed against on fingerprint recognition region
There is spot in spot, or fingerprint recognition region.
Step 103：If there is the pixel of preset kind in fingerprint image, the first prompt message is exported.
Wherein, the first prompt message is used to point out user to wipe finger and/or fingerprint recognition region.User is wiping hand
After finger and/or fingerprint recognition region, fingerprint recognition region is pressed again through finger, terminal can be collected not comprising default class
The fingerprint image of type pixel.
Specifically, the first prompt message can be text information, acoustic information etc..
It should be noted that when the pixel of preset kind is not present in fingerprint image, being matched to fingerprint image.
When being matched to fingerprint image, the fingerprint image can be compared with the fingerprint image prestored, if two fingerprint images
When the similarity of middle fingerprint is more than preset value, fingerprint matching success, after fingerprint matching success, terminal carries out unlocked by fingerprint operation.
If conversely, when the similarity of fingerprint is less than or equal to preset value in two fingerprint images, fingerprint matching fails, and terminal, which is then exported, to be referred to
The prompting of line unblock failure.
Fingerprint identification method provided in an embodiment of the present invention, not blindly carries out fingerprint image after fingerprint image is collected
Matching, but judge to whether there is the pixel of preset kind in fingerprint image, fingerprint image can be improved by the judgement
Quality, and then fingerprint recognition rate is lifted, improve the usage experience of user.
Embodiment two
Reference picture 2, shows a kind of step flow chart of fingerprint identification method of the embodiment of the present invention two, including following step
Suddenly：
Step 201：The area pressed of finger is detected, judges overlapping between the area pressed of finger and fingerprint recognition region
Whether area is less than the first preset value；If so, then performing step 202；If it is not, then performing step 203.
Wherein, fingerprint recognition region is arranged on terminal screen, when user presses screen by finger, due to fingerprint recognition
Region hides display, and user possibly can not accurately be pressed into fingerprint recognition region.If with fingerprint recognition region when finger is pressed
Deviate larger, will be unable to successful acquisition to fingerprint image or the fingerprint image for including finger part fingerprint can only be collected, and
Both above-mentioned fingerprint images can all have a strong impact on the discrimination of fingerprint image.Therefore, in order to avoid above-mentioned situation is to fingerprint image
As the influence of discrimination, before collection fingerprint image it is pre- first carry out step 201 in judgement, ensure the pressing position of finger with
When overlapping area between fingerprint recognition region is more than the first preset value, fingerprint image acquisition is just carried out.
During implementing, the first preset value can be by total face of the those skilled in the art with reference to fingerprint recognition region
Accumulate, be configured according to the actual requirements, this is not specifically limited in the embodiment of the present invention.For example：First preset value is set
For 20 the percent of the fingerprint recognition region gross area, 1 15,10 etc..
Step 202：Fingerprint recognition region is highlighted, and exports the second prompt message.
Highlighting can be to be highlighted fingerprint recognition region.
Wherein, the second prompt message is used to point out user that finger is moved into fingerprint recognition region progress fingerprint recognition.Tool
Body, Show Me animation and/or text information can be exported at fingerprint recognition region, passes through Show Me animation and/or text information
Finger is moved to fingerprint recognition region and re-executes pressing operation progress fingerprint recognition by prompting user.
It can be returned after execution of step 202 and perform pressing position and fingerprint identification area that step 201 judges finger
Whether the overlapping area between domain is more than the first preset value.
Step 203：Fingerprint image is gathered in fingerprint recognition region.
Image capture module can be set in terminal, fingerprint image is obtained by image capture module collection finger print.
Step 204：Judge the pixel with the presence or absence of preset kind in fingerprint image；If it is not, then performing step 206；If
It is then to perform step 205.
Wherein, the pixel of preset kind can be corresponding with the spot on the finger being pressed against on fingerprint recognition region
Pixel or pixel corresponding with the spot on fingerprint recognition region, its specific form can be bubble, bubble
Deng.
When there is the pixel of preset kind in fingerprint image, represent have on the finger being pressed against on fingerprint recognition region
There is spot in spot, or fingerprint recognition region.
Step 205：If there is the pixel of preset kind in fingerprint image, the first prompt message is exported.
Wherein, the first prompt message is used to point out user to wipe finger and/or fingerprint recognition region.User is wiping hand
After finger and/or fingerprint recognition region, fingerprint recognition region is pressed again through finger, terminal, which is returned, performs step 201, if finger
When overlapping area between pressing position and fingerprint recognition region is more than the first preset value, you can collect not comprising preset kind
The fingerprint image of pixel, and the fingerprint image is matched.
Step 206：Judge whether the fingerprint coverage rate of fingerprint image is more than the second preset value；If it is not, then performing step
207；If so, then performing step 208.
Wherein, fingerprint coverage rate refers to the ratio of the area and the fingerprint image gross area in fingerprint image corresponding to fingerprint texture
Value.Second preset value can be according to the actual requirements configured by those skilled in the art, for example：Be set to 50 percent,
60 percent, 80 percent etc..
In the embodiment of the present invention, after collecting fingerprint image, carry out fingerprint image certification matching before, from picture quality and
The aspect of fingerprint coverage rate two is considered to fingerprint image, fingerprint image is matched when meeting preparatory condition, Neng Gouti
The quality of high fingerprint image, and then fingerprint recognition rate is lifted, improve the usage experience of user.
First to judge whether to include the pixel of preset kind in fingerprint image in the embodiment of the present invention, fingerprint image is judged afterwards
The fingerprint coverage rate of picture is illustrated exemplified by whether being more than the second preset value.During implementing, it can also first judge to refer to
Whether the coverage rate of print image is more than the second preset value, further judges whether wrapped in fingerprint image when judged result is and is
Pixel containing preset kind.It can synchronously be judged with two factors, that is, whether be judged in fingerprint image comprising default class
Judge whether the fingerprint coverage rate of fingerprint image is more than the second preset value while the pixel of type.
Step 207：If the fingerprint coverage rate of fingerprint image is less than or equal to the second preset value, the prompting letter of output the 3rd
Breath.
Wherein, the 3rd prompt message is used to point out user to move finger so that finger and fingerprint recognition region are completely overlapped.
User has been moved after finger, and fingerprint recognition region is pressed again through finger, and terminal, which is returned, performs step 201 and follow-up process.
Step 208：If the fingerprint coverage rate of fingerprint image is more than the second preset value, fingerprint image is matched.
In the embodiment of the present invention, it is determined that the fingerprint coverage rate of fingerprint image is more than in the second preset value and fingerprint image
After the pixel of default class, fingerprint image is matched.
Fingerprint identification method provided in an embodiment of the present invention, shows at the non-fingerprint recognition region of user's finger touch screen
User's finger is simultaneously pointed out to movement at fingerprint recognition region in screen fingerprint recognition region, user's identification fingerprint is more facilitated fast
It is prompt, it is possible to increase the effect and fingerprint recognition rate of screen fingerprint recognition.In addition, fingerprint identification method provided by the present invention with
Family finger or screen fingerprint recognition region have can go out finger or screen fingerprint according to the Fingerprint recognition collected during spot
Identification region has spot, and can point out user's wiped clean finger and screen fingerprint recognition region, can also improve fingerprint knowledge
Rate does not lift the usage experience of user.
Embodiment three
Reference picture 3, shows a kind of structured flowchart of terminal of the embodiment of the present invention three, including：
Acquisition module 301, for gathering fingerprint image in fingerprint recognition region；
First judge module 302, for judging the pixel in the fingerprint image with the presence or absence of preset kind；
First prompt message output module 303, if the judged result for first judge module is the presence of default class
The pixel of type, then export the first prompt message.
Terminal provided in an embodiment of the present invention, not blindly carries out fingerprint image matching after fingerprint image is collected, and
It is the pixel for judging to whether there is in fingerprint image preset kind, the quality of fingerprint image can be improved by the judgement, is entered
And fingerprint recognition rate is lifted, improve the usage experience of user.
Example IV
Reference picture 4, shows a kind of structured flowchart of terminal of the embodiment of the present invention four.
The terminal of the embodiment of the present invention is the further optimization to the terminal in embodiment three, and the terminal after optimization includes：
Acquisition module 401, for gathering fingerprint image in fingerprint recognition region；
First judge module 402, for judging the pixel in the fingerprint image with the presence or absence of preset kind；
First prompt message output module 403, if the judged result for first judge module is the presence of default class
The pixel of type, then export the first prompt message.
Preferably, first prompt message is used to point out user to wipe finger and/or the fingerprint recognition region.
Preferably, the terminal also includes：
Detection module 404, the area pressed for detecting finger；
Second prompt message output module 405, for the area pressed when the finger and the fingerprint recognition region it
Between overlapping area when being less than the first preset value, highlight the fingerprint recognition region, and export the second prompt message, it is described
Second prompt message is used to point out user that finger is moved into the fingerprint recognition region.
Preferably, the terminal also includes：
Second judge module 406, for whether being more than the second preset value in the fingerprint coverage rate for judging the fingerprint image；
Wherein, the fingerprint coverage rate is the area corresponding to fingerprint texture in the fingerprint image and the fingerprint image gross area
Ratio；
Matching module 407, for being more than second preset value and the finger when the fingerprint coverage rate of the fingerprint image
When the pixel of default class being not present in print image, then the fingerprint image is matched.
Preferably, the terminal also includes：
3rd prompt message output module 408, if the judged result for second judge module 406 is fingerprint image
Fingerprint coverage rate when being less than or equal to second preset value, export the 3rd prompt message, the 3rd prompt message is used for
User is pointed out to move finger so that finger and the fingerprint recognition region are completely overlapped.
The terminal of the embodiment of the present invention is used to realize corresponding fingerprint identification method in previous embodiment one, embodiment two,
And with beneficial effect corresponding with embodiment of the method, will not be repeated here.
Embodiment five
Reference picture 5, shows a kind of structured flowchart of terminal of the embodiment of the present invention five.
The terminal 700 of the embodiment of the present invention includes：At least one processor 701, memory 702, at least one network connect
Mouth 704 and other users interface 703.Each component in terminal 700 is coupled by bus system 705.It is understood that total
Linear system system 705 is used to realize the connection communication between these components.Bus system 705 in addition to including data/address bus, in addition to
Power bus, controlling bus and status signal bus in addition.But for the sake of clear explanation, be in Figure 5 all designated as various buses
Bus system 705.
Wherein, user interface 703 can include display, keyboard or pointing device (for example, mouse, trace ball
(track ball), touch-sensitive plate or touch-screen etc..
It is appreciated that the memory 702 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Or may include both volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable PROM, EPROM), Electrically Erasable Read Only Memory (Electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), and it is used as outside high
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double DataRate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct
Ram bus RAM, DRRAM).The embodiment of the present invention description system and method memory 702 be intended to including but not limited to this
The memory of a little and any other suitable type.
In some embodiments, memory 702 stores following element, can perform module or data structure, or
Their subset of person, or their superset：Operating system 7021 and application program 7022.
Wherein, operating system 7021, comprising various system programs, such as ccf layer, core library layer, driving layer, are used for
Realize various basic businesses and handle hardware based task.Application program 7022, includes various application programs, such as media
Player (Media Player), browser (Browser) etc., for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 7022.
In embodiments of the present invention, by calling program or the instruction of the storage of memory 702, specifically, can be application
The program stored in program 7022 or instruction, processor 701 are used to gather fingerprint image in fingerprint recognition region；Judge described refer to
It whether there is the pixel of preset kind in print image；If there is the pixel of preset kind in the fingerprint image, export
First prompt message.
The method that the embodiments of the present invention are disclosed can apply in processor 701, or be realized by processor 701.
Processor 701 is probably a kind of IC chip, the disposal ability with signal.In implementation process, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 701 or the instruction of software form.Above-mentioned processing
Device 701 can be general processor, digital signal processor (Digital Signal Processor, DSP), special integrated electricity
Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) or other PLDs, discrete gate or transistor logic,
Discrete hardware components.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general
Processor can be microprocessor or the processor can also be any conventional processor etc..With reference to institute of the embodiment of the present invention
The step of disclosed method, can be embodied directly in hardware decoding processor and perform completion, or with the hardware in decoding processor
And software module combination performs completion.Software module can be located at random access memory, and flash memory, read-only storage may be programmed read-only
In the ripe storage medium in this area such as memory or electrically erasable programmable memory, register.The storage medium is located at
Memory 702, processor 701 reads the information in memory 702, the step of completing the above method with reference to its hardware.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its
Combine to realize.Realized for hardware, processing unit can be realized in one or more application specific integrated circuit (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for performing herein described function or its combination.
Realized for software, can be by performing the module of function described in the embodiment of the present invention (such as process, function)
To realize the technology described in the embodiment of the present invention.Software code is storable in memory and by computing device.Storage
Device can be realized within a processor or outside processor.
Alternatively, first prompt message is used to point out user to wipe finger and/or the fingerprint recognition region.
Alternatively, processor 701 is additionally operable to：Detect the area pressed of finger；When the finger area pressed with it is described
When overlapping area between fingerprint recognition region is less than the first preset value, the fingerprint recognition region is highlighted, and export the
Two prompt messages, second prompt message is used to point out user that finger is moved into the fingerprint recognition region.
Alternatively, processor 701 is additionally operable to after fingerprint recognition region collection fingerprint image：Judge the fingerprint image
Fingerprint coverage rate whether be more than the second preset value；Wherein, the fingerprint coverage rate is fingerprint texture institute in the fingerprint image
The ratio of corresponding area and the fingerprint image gross area；When the fingerprint coverage rate is more than second preset value and institute
When stating the pixel that default class is not present in fingerprint image, the fingerprint image is matched.
Alternatively, processor 701 judge the fingerprint image fingerprint coverage rate whether be more than the second preset value after,
It is additionally operable to：If fingerprint coverage rate is less than or equal to second preset value in the fingerprint image, the 3rd prompt message is exported,
3rd prompt message is used to point out user to move finger so that finger and the fingerprint recognition region are completely overlapped.
Terminal 700 can realize each process that terminal is realized in previous embodiment, to avoid repeating, no longer go to live in the household of one's in-laws on getting married here
State.
Terminal provided in an embodiment of the present invention, not blindly carries out fingerprint image matching after fingerprint image is collected, and
It is finger when judging that fingerprint image acquisition can be determined by the judgement with the presence or absence of the pixel of preset kind in fingerprint image
Or whether have spot in fingerprint recognition region, when judged result for when being, output the first prompt message prompting user wipes hand
Refer to or fingerprint recognition region, user presses fingerprint recognition region after the completion of wiping again through finger, and terminal can be collected
High-quality fingerprint image, the Fingerprint recognition rate of high-quality fingerprint image is high, knows therefore, it is possible to further lifting fingerprint
Not successful probability, lifts the usage experience of user.
Embodiment six
Reference picture 6, shows a kind of structured flowchart of terminal of the embodiment of the present invention six.
Terminal in the embodiment of the present invention can be mobile phone, tablet personal computer, personal digital assistant (Personal Digital
Assistant, PDA) or vehicle-mounted computer etc..
Terminal in Fig. 6 include radio frequency (Radio Frequency, RF) circuit 810, memory 820, input block 830,
Display unit 840, processor 860, voicefrequency circuit 870, WiFi (WirelessFidelity) module 880 and power supply 890.
Wherein, input block 830 can be used for the numeral or character information for receiving user's input, and produce the use with terminal
The signal input that family is set and function control is relevant.Specifically, in the embodiment of the present invention, the input block 830 can include
Contact panel 831.Contact panel 831, also referred to as touch-screen, collect touch operation of the user on or near it and (such as use
Family uses the operations of any suitable object or annex on contact panel 831 such as finger, stylus), and according to set in advance
Formula drives corresponding attachment means.Optionally, contact panel 831 may include two portions of touch detecting apparatus and touch controller
Point.Wherein, touch detecting apparatus detects the touch orientation of user, and detects the signal that touch operation is brought, and transmits a signal to
Touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives
The processor 860, and the order sent of reception processing device 860 and can be performed.Furthermore, it is possible to using resistance-type, condenser type,
The polytype such as infrared ray and surface acoustic wave realizes contact panel 831.Except contact panel 831, input block 830 can be with
Including other input equipments 832, other input equipments 832 can include but is not limited to physical keyboard, function key (such as volume control
Button processed, switch key etc.), trace ball, mouse, the one or more in action bars etc..
Wherein, display unit 840 can be used for the information and terminal for showing the information inputted by user or being supplied to user
Various menu interfaces.Display unit 840 may include display panel 841, optionally, can use LCD or organic light-emitting diodes
Forms such as (Organic Light-Emitting Diode, OLED) is managed to configure display panel 841.
It should be noted that contact panel 831 can cover display panel 841, touch display screen is formed, when touch display screen inspection
Measure after the touch operation on or near it, processor 860 is sent to determine the type of touch event, with preprocessor
860 provide corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and conventional control viewing area.The Application Program Interface viewing area
And arrangement mode of the conventional control viewing area is not limited, can be arranged above and below, left-right situs etc. can distinguish two and show
Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with
The interface element such as the icon comprising at least one application program and/or widget desktop controls.The Application Program Interface viewing area
It can also be the empty interface not comprising any content.The conventional control viewing area is used to show the higher control of utilization rate, for example,
Application icons such as settings button, interface numbering, scroll bar, phone directory icon etc..
Wherein processor 860 is the control centre of terminal, utilizes various interfaces and each portion of connection whole mobile phone
Point, by operation or perform and be stored in software program and/or module in first memory 821, and call and be stored in second
Data in memory 822, perform the various functions and processing data of terminal, so as to carry out integral monitoring to terminal.Optionally,
Processor 860 may include one or more processing units.
In embodiments of the present invention, by call store the first memory 821 in software program and/or module and/
Or the data in the second memory 822, processor 860 in fingerprint recognition region for gathering fingerprint image；Judge described refer to
It whether there is the pixel of preset kind in print image；If there is the pixel of preset kind in the fingerprint image, export
First prompt message.
Alternatively, first prompt message is used to point out user to wipe finger and/or the fingerprint recognition region.
Alternatively, processor 860 is additionally operable to：Detect the area pressed of finger；When the finger area pressed with it is described
When overlapping area between fingerprint recognition region is less than the first preset value, the fingerprint recognition region is highlighted, and export the
Two prompt messages, second prompt message is used to point out user that finger is moved into the fingerprint recognition region.
Alternatively, processor 860 is additionally operable to after fingerprint recognition region collection fingerprint image：Judge the fingerprint image
Fingerprint coverage rate whether be more than the second preset value；Wherein, the fingerprint coverage rate is fingerprint texture institute in the fingerprint image
The ratio of corresponding area and the fingerprint image gross area；When the fingerprint coverage rate is more than second preset value and institute
When stating the pixel that default class is not present in fingerprint image, the fingerprint image is matched.
Alternatively, processor 860 judge the fingerprint image fingerprint coverage rate whether be more than the second preset value after,
It is additionally operable to：If fingerprint coverage rate is less than or equal to second preset value in the fingerprint image, the 3rd prompt message is exported,
3rd prompt message is used to point out user to move finger so that finger and the fingerprint recognition region are completely overlapped.
Terminal provided in an embodiment of the present invention, not blindly carries out fingerprint image matching after fingerprint image is collected, and
It is finger when judging that fingerprint image acquisition can be determined by the judgement with the presence or absence of the pixel of preset kind in fingerprint image
Or whether have spot in fingerprint recognition region, when judged result for when being, output the first prompt message prompting user wipes hand
Refer to or fingerprint recognition region, user presses fingerprint recognition region after the completion of wiping again through finger, and terminal can be collected
High-quality fingerprint image, the Fingerprint recognition rate of high-quality fingerprint image is high, knows therefore, it is possible to further lifting fingerprint
Not successful probability, lifts the usage experience of user.
For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, it is related
Part illustrates referring to the part of embodiment of the method.
Provided herein fingerprinting scheme not with the intrinsic phase of any certain computer, virtual system or miscellaneous equipment
Close.Various general-purpose systems can also be used together with based on teaching in this.As described above, construction has present invention side
Structure required by the system of case is obvious.In addition, the present invention is not also directed to any certain programmed language.Should be bright
In vain, it is possible to use various programming languages realize the content of invention described herein, that and language-specific is done above retouches
State be in order to disclose the present invention preferred forms.
In the specification that this place is provided, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the present invention
Example can be put into practice in the case of these no details.In some instances, known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this description.
Similarly, it will be appreciated that in order to simplify the disclosure and help to understand one or more of each inventive aspect, exist
Above in the description of the exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the method for the disclosure should be construed to reflect following intention：It is i.e. required to protect
The application claims of shield features more more than the feature being expressly recited in each claim.More precisely, such as right
As claim reflects, inventive aspect is all features less than single embodiment disclosed above.Therefore, it then follows tool
Thus claims of body embodiment are expressly incorporated in the embodiment, wherein the conduct of each claim in itself
The separate embodiments of the present invention.
Those skilled in the art, which are appreciated that, to be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more equipment different from the embodiment.Can be the module or list in embodiment
Member or component be combined into a module or unit or component, and can be divided into addition multiple submodule or subelement or
Sub-component.In addition at least some in such feature and/or process or unit exclude each other, it can use any
Combination is disclosed to all features disclosed in this specification (including adjoint claim, summary and accompanying drawing) and so to appoint
Where all processes or unit of method or equipment are combined.Unless expressly stated otherwise, this specification (including adjoint power
Profit is required, summary and accompanying drawing) disclosed in each feature can or similar purpose identical, equivalent by offer alternative features come generation
Replace.
Although in addition, it will be appreciated by those of skill in the art that some embodiments described herein include other embodiments
In included some features rather than further feature, but the combination of the feature of be the same as Example does not mean in of the invention
Within the scope of and form different embodiments.For example, in detail in the claims, embodiment claimed it is one of any
Mode it can use in any combination.
The present invention all parts embodiment can be realized with hardware, or with one or more processor run
Software module realize, or realized with combinations thereof.It will be understood by those of skill in the art that can use in practice
Microprocessor or digital signal processor (DSP) come realize in fingerprinting scheme according to embodiments of the present invention some or
The some or all functions of person's whole part.The present invention is also implemented as perform method as described herein one
Divide or whole equipment or program of device (for example, computer program and computer program product).It is such to realize this hair
Bright program can be stored on a computer-readable medium, or can have the form of one or more signal.It is such
Signal can be downloaded from internet website and obtained, and either provided or provided in any other form on carrier signal.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and ability
Field technique personnel can design alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between bracket should not be configured to limitations on claims.Word "comprising" is not excluded the presence of not
Element or step listed in the claims.Word "a" or "an" before element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of some different elements and coming real by means of properly programmed computer
It is existing.In if the unit claim of equipment for drying is listed, several in these devices can be by same hardware branch
To embody.The use of word first, second, and third does not indicate that any order.These words can be explained and run after fame
Claim.
Claims (10)
1. a kind of fingerprint identification method, applied to terminal, it is characterised in that methods described includes：
Fingerprint image is gathered in fingerprint recognition region；
Judge the pixel with the presence or absence of preset kind in the fingerprint image；
If there is the pixel of preset kind in the fingerprint image, the first prompt message is exported.
2. according to the method described in claim 1, it is characterised in that first prompt message is used to point out user to wipe finger
And/or the fingerprint recognition region.
3. according to the method described in claim 1, it is characterised in that also include：
Detect the area pressed of finger；
It is prominent when the overlapping area between the area pressed of the finger and the fingerprint recognition region is less than the first preset value
The fingerprint recognition region is shown, and exports the second prompt message, second prompt message is used to point out user to move finger
Move to the fingerprint recognition region.
4. according to the method described in claim 1, it is characterised in that the step of fingerprint recognition region gathers fingerprint image it
Afterwards, methods described also includes：
Judge whether the fingerprint coverage rate of the fingerprint image is more than the second preset value；Wherein, the fingerprint coverage rate is described
The ratio of area and the fingerprint image gross area in fingerprint image corresponding to fingerprint texture；
The pixel for presetting class is not present in second preset value and the fingerprint image when the fingerprint coverage rate is more than
When, the fingerprint image is matched.
5. method according to claim 4, it is characterised in that whether big in the fingerprint coverage rate for judging the fingerprint image
After the step of the second preset value, in addition to：
If fingerprint coverage rate is less than or equal to second preset value in the fingerprint image, the 3rd prompt message, institute are exported
Stating the 3rd prompt message is used to point out user to move finger so that finger and the fingerprint recognition region are completely overlapped.
6. a kind of terminal, it is characterised in that including：
Acquisition module, for gathering fingerprint image in fingerprint recognition region；
First judge module, for judging the pixel in the fingerprint image with the presence or absence of preset kind；
First prompt message output module, if the judged result for first judge module is the pixel that there is preset kind
Point, then export the first prompt message.
7. terminal according to claim 6, it is characterised in that first prompt message is used to point out user to wipe finger
And/or the fingerprint recognition region.
8. terminal according to claim 6, it is characterised in that also include：
Detection module, the area pressed for detecting finger；
Second prompt message output module, for when overlapping between the area pressed of the finger and the fingerprint recognition region
When area is less than the first preset value, the fingerprint recognition region is highlighted, and export the second prompt message, second prompting
Information is used to point out user that finger is moved into the fingerprint recognition region.
9. terminal according to claim 6, it is characterised in that also include：
Second judge module, for judging whether the fingerprint coverage rate of the fingerprint image is more than the second preset value；Wherein, it is described
Fingerprint coverage rate is the area and the ratio of the fingerprint image gross area corresponding to fingerprint texture in the fingerprint image；
Matching module, is more than second preset value and the fingerprint image for the fingerprint coverage rate when the fingerprint image
In when the pixel of default class is not present, then the fingerprint image is matched.
10. terminal according to claim 9, it is characterised in that also include：
3rd prompt message output module, if the judged result for second judge module covers for the fingerprint of fingerprint image
When rate is less than or equal to second preset value, the 3rd prompt message is exported, the 3rd prompt message is used to point out user to move
Start to refer to so that finger and the fingerprint recognition region are completely overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710241180.6A CN107122721A (en) | 2017-04-13 | 2017-04-13 | A kind of fingerprint identification method and terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710241180.6A CN107122721A (en) | 2017-04-13 | 2017-04-13 | A kind of fingerprint identification method and terminal |
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| CN107122721A true CN107122721A (en) | 2017-09-01 |
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| CN201710241180.6A Pending CN107122721A (en) | 2017-04-13 | 2017-04-13 | A kind of fingerprint identification method and terminal |
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Application publication date: 20170901 |