CN109521899A - Determine fingerprint can input area method and device - Google Patents
Determine fingerprint can input area method and device Download PDFInfo
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- CN109521899A CN109521899A CN201710843284.4A CN201710843284A CN109521899A CN 109521899 A CN109521899 A CN 109521899A CN 201710843284 A CN201710843284 A CN 201710843284A CN 109521899 A CN109521899 A CN 109521899A
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- fingerprint
- bad point
- touch screen
- input area
- unit area
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
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- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The disclosure is directed to a kind of determining fingerprint can input area method and device, for realizing accurate determining fingerprint can input area, facilitate the identification of fingerprint.The described method includes: carrying out bad point detection to touch screen；When being tested with bad point, bad point position is determined；According to preset unit area size and the bad point position, touch screen is traversed, determines the quantity of bad point in each unit area；For each unit area, determine that bad point quantity is more than the first unit area of preset amount threshold；Region in the touch screen in addition to first unit area is determined as fingerprint can input area.
Description
Technical field
This disclosure relates to communicate and computer disposal field, more particularly to determine fingerprint can input area method and dress
It sets.
Background technique
With the development of electronic technology, mobile terminal is commonly used.Mobile terminal stores a large amount of individual subscriber
Information.Therefore, the Information Security of mobile terminal is particularly important.Mobile terminal provides screen locking function, and supports unlocked by fingerprint.
User can input fingerprint by touch screen, to carry out unlocking screen.But if there is bad point on touch screen, it will affect fingerprint
Recognition effect, and then influence unlocking screen.
Summary of the invention
To overcome the problems in correlation technique, the disclosure provide a kind of determining fingerprint can input area method and dress
It sets.
According to the first aspect of the embodiments of the present disclosure, provide a kind of determining fingerprint can input area method, comprising:
Bad point detection is carried out to touch screen；
When being tested with bad point, bad point position is determined；
According to preset unit area size and the bad point position, touch screen is traversed, determines each unit area
The quantity of bad point in domain；
For each unit area, determine that bad point quantity is more than the first unit area of preset amount threshold；
Region in the touch screen in addition to first unit area is determined as fingerprint can input area.
The technical scheme provided by this disclosed embodiment can include the following benefits: the present embodiment is utilizing touch screen
As fingerprint input sensor when, detect touch screen on bad point, determine that the less or fingerprint without bad point of bad point can input area
Domain.Fingerprint can be inputted in input area in the fingerprint, accurate can identify fingerprint, help to improve the accurate of fingerprint recognition
Degree.
In one embodiment, the region by the touch screen in addition to first unit area is determined as referring to
Line can input area, comprising:
Determine in the touch screen in addition to first unit area can connected region；
By it is maximum can connected region be determined as fingerprint can input area.
The technical scheme provided by this disclosed embodiment can include the following benefits: the present embodiment can be connected by determination
Logical region, for user provide fingerprint as big as possible can input area, provide convenience for user's input fingerprint.
In one embodiment, it is described by it is maximum can connected region be determined as fingerprint can input area, comprising:
It can the first maximum rectangle in connected region described in determination；
Maximum first maximum rectangle is determined as fingerprint can input area.
The technical scheme provided by this disclosed embodiment can include the following benefits: the present embodiment determines maximum
One maximum rectangle be determined as fingerprint can input area, determining fingerprint can input area be more acurrate, specification, inputs fingerprint for user
It is convenient to provide.
It is in one embodiment, described that bad point detection is carried out to touch screen, comprising:
Bad point detection periodically is carried out to touch screen；Or
When entering fingerprint input pattern, bad point detection is carried out to touch screen.
The technical scheme provided by this disclosed embodiment can include the following benefits: the present embodiment can be when a variety of
Machine carries out bad point detection to touch screen, provides conveniently for the input of subsequent fingerprint.
In one embodiment, the method also includes:
Export the determining fingerprint can input area prompt information.
The technical scheme provided by this disclosed embodiment can include the following benefits: the present embodiment can also export really
The fixed fingerprint can input area prompt information, facilitate user input fingerprint.
According to the second aspect of an embodiment of the present disclosure, provide a kind of determining fingerprint can input area device, comprising:
Detection module, for carrying out bad point detection to touch screen；
Position module, for when being tested with bad point, determining bad point position；
Spider module, for being traversed to touch screen, really according to preset unit area size and the bad point position
The quantity of bad point in fixed each unit area；
Regions module determines that bad point quantity is more than the first list of preset amount threshold for being directed to each unit area
Position region；
Determining module, can be defeated for the region in the touch screen in addition to first unit area to be determined as fingerprint
Enter region.
In one embodiment, the determining module includes:
Be connected to submodule, for determine in the touch screen in addition to first unit area can connected region；
Determine submodule, for by it is maximum can connected region be determined as fingerprint can input area.
In one embodiment, the determining submodule determine described in can the first maximum rectangle in connected region；It will most
The maximum rectangle of big first is determined as fingerprint can input area.
In one embodiment, the detection module includes: the first detection sub-module or the second detection sub-module；
First detection sub-module, for periodically carrying out bad point detection to touch screen；
Second detection sub-module, for carrying out bad point detection to touch screen when entering fingerprint input pattern.
In one embodiment, described device further include:
Output module, for export the determining fingerprint can input area prompt information.
According to the third aspect of an embodiment of the present disclosure, provide a kind of determining fingerprint can input area device, comprising:
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to:
Bad point detection is carried out to touch screen；
When being tested with bad point, bad point position is determined；
According to preset unit area size and the bad point position, touch screen is traversed, determines each unit area
The quantity of bad point in domain；
For each unit area, determine that bad point quantity is more than the first unit area of preset amount threshold；
Region in the touch screen in addition to first unit area is determined as fingerprint can input area.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 be a kind of determining fingerprint shown according to an exemplary embodiment can input area method flow chart.
Fig. 2 is a kind of schematic diagram of ergodic process shown according to an exemplary embodiment.
Fig. 3 is a kind of schematic diagram of first unit area shown according to an exemplary embodiment.
Fig. 4 be one kind shown according to an exemplary embodiment can connected region schematic diagram.
Fig. 5 be one kind shown according to an exemplary embodiment can connected region schematic diagram.
Fig. 6 be a kind of determining fingerprint shown according to an exemplary embodiment can input area method flow chart.
Fig. 7 be a kind of determining fingerprint shown according to an exemplary embodiment can input area method flow chart.
Fig. 8 be it is shown according to an exemplary embodiment it is a kind of prompt fingerprint can input area method flow chart.
Fig. 9 be a kind of determining fingerprint shown according to an exemplary embodiment can input area device block diagram.
Figure 10 is a kind of block diagram of determining module shown according to an exemplary embodiment.
Figure 11 is a kind of block diagram of detection module shown according to an exemplary embodiment.
Figure 12 be a kind of determining fingerprint shown according to an exemplary embodiment can input area device block diagram.
Figure 13 is a kind of block diagram of device shown according to an exemplary embodiment.
Figure 14 is a kind of block diagram of device shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
In the related technology, user can input fingerprint by fingerprint sensor, can also input fingerprint by touch screen.?
When inputting fingerprint by touch screen, what entire touch screen all can serve as fingerprint can input area.But touch screen is in the normal time
After use, it is possible that bad point.Bad point means that pixel display is abnormal or touch sensible is abnormal.When fingerprint is pressed
When the more region of bad point, possibly fingerprint can not be correctly identified.
To solve the above problems, the present embodiment to touch screen carry out fingerprint can input area detection, fingerprint can input area
Domain is that bad point is less or region without bad point, can input fingerprint in input area in the fingerprint, the accurate of fingerprint recognition can be improved
Degree reduces the number that user inputs fingerprint.
Fig. 1 be a kind of determining fingerprint shown according to an exemplary embodiment can input area method flow chart, such as
Shown in Fig. 1, this method can equipment by mobile terminal etc. with touch screen realize, comprising the following steps:
In a step 101, bad point detection is carried out to touch screen.
In a step 102, when being tested with bad point, bad point position is determined.
In step 103, according to preset unit area size and the bad point position, touch screen is traversed, really
The quantity of bad point in fixed each unit area.
At step 104, for each unit area, determine that bad point quantity is more than the first unit of preset amount threshold
Region.
In step 105, the region in the touch screen in addition to first unit area is determined as fingerprint can be defeated
Enter region.
By taking mobile terminal as an example, user can carry out network payment by mobile terminal, can pass through finger in payment process
Line certification.Such as finger print identifying is carried out by touch screen.In the related technology, it is mobile whole after user inputs fingerprint on the touchscreen
The fingerprint of end identification input, and the fingerprint of input is matched with pre-stored standard fingerprint, if successful match, into
Row payment.If it fails to match, user is prompted to re-enter.It is because the bad point on touch screen is more that user, which may be unaware that,
Finger print identifying is caused to identify.So user is likely to carry out repeatedly invalid fingerprint input in original position, brought not to user
Just, the normal use of user is influenced.
The present embodiment can detect the bad point on touch screen.Avoid region of the bad point compared with concentration.Determine that fingerprint can be defeated
Enter region, fingerprint can the bad point density in input area be lower than preset density criterion value.For example, preset density criterion value is
The preset amount threshold of unit area.Unit area is the pixel region (such as 120*60) for meeting 508GPI；Amount threshold is 8.
Determining fingerprint can be in input area through this embodiment, bad point negligible amounts, be distributed it is more discrete, or without bad point.Can have
Effect improves the success rate and accuracy rate of fingerprint recognition, reduces the input number of user, improves user experience.
In one embodiment, step 101 includes: step A1 or step A2.
In step A1, bad point detection periodically is carried out to touch screen.
In step A2, when entering fingerprint input pattern, bad point detection is carried out to touch screen.
Bad point detection periodically can be carried out to touch screen in the present embodiment, such as the period is one month primary.It touches
The quality of screen is preferable, which can be set longer.
Alternatively, carrying out bad point detection to touch screen when entering fingerprint input pattern.For example, being needed in network payment
Finger print identifying is carried out, before prompt user inputs fingerprint, bad point detection is carried out to touch screen.
Alternatively, carrying out bad point detection to touch screen when user inputs fingerprint and recognition failures.
In one embodiment, in step 103- step 105, ergodic process is as shown in Figure 2.For example, with from left to right,
Order traversal from top to bottom checks that the bad point quantity in each unit area, label bad point quantity are more than amount threshold one by one
The first unit area.There may be multiple first unit areas 301, there may be partial region weights for multiple first unit areas
It closes, as shown in Figure 3.Region in the touch screen in addition to first unit area is determined as fingerprint can input area.
In one embodiment, step 105 includes: step B1 and step B2.
In step bl is determined, determine in the touch screen in addition to first unit area can connected region.
In step B2, by it is maximum can connected region be determined as fingerprint can input area.
As shown in figure 4,401,402,403 be can connected region.Can connected region be at least two unit areas conjunction
And at least two unit area is not the first unit area, and there are part areas at least two unit area
Domain coincidence or at least partly overlapping margins.At least two unit areas that can be connected to are merged, forming one can connected region.
Fingerprint can be being inputted in connected region, the success rate of fingerprint recognition can be improved.The present embodiment by it is maximum can
Connected region (such as 403) be determined as fingerprint can input area, facilitate user input fingerprint.Fingerprint can input area it is bigger, to
The limitation at family is smaller, and the flexibility for inputting fingerprint is higher.
In one embodiment, step B2 includes: step B21 and step B22.
In step B21, determine described in can the first maximum rectangle in connected region.
In step B22, the maximum first maximum rectangle is determined as fingerprint can input area.
In the present embodiment can the shape of connected region may be irregular, and the outer contour shape of fingerprint relatively square
Shape.Accordingly, it is determined that can the maximum rectangle in connected region be fingerprint can input area, be more convenient user and input fingerprint.
As shown in figure 5, can the maximum rectangle in connected region 401 be the first maximum rectangle 501, can be in connected region 402
Maximum rectangle be the first maximum rectangle 502, can the maximum rectangle in connected region 403 be the first maximum rectangle 503.Wherein,
First maximum rectangle 503 is the maximum first maximum rectangle.
Can also detect can rectangle in connected region length and the wide length and width for whether being not less than unit area, if not
Meet, which cannot be determined as to the first maximum rectangle.
In one embodiment, the method also includes step C.
In step C, export the determining fingerprint can input area prompt information.
The present embodiment can predefine fingerprint can input area.It respectively applies when needing user to input fingerprint, obtaining should
Fingerprint can input area, and show on the touchscreen the fingerprint can input area, prompt user the fingerprint can input area
Interior input fingerprint.
Alternatively, activate prompt facility when user's fingerprint input failure, obtain the fingerprint can input area, and
Shown on touch screen the fingerprint can input area, prompt user in the fingerprint can input fingerprint in input area.
Above-described embodiment can be realized by the microprocessor (MCU) in the equipment such as mobile terminal, to mitigate CPU (centre
Manage device) load.
Realization process is discussed in detail below by several embodiments.
Fig. 6 be a kind of determining fingerprint shown according to an exemplary embodiment can input area method flow chart, such as
Shown in Fig. 6, this method can equipment by mobile terminal etc. with touch screen realize, comprising the following steps:
In step 601, bad point detection is carried out to touch screen.
In step 602, when being tested with bad point, bad point position is determined.
In step 603, according to preset unit area size and the bad point position, touch screen is traversed, really
The quantity of bad point in fixed each unit area.
In step 604, for each unit area, determine that bad point quantity is more than the first unit of preset amount threshold
Region.
In step 605, determine in the touch screen in addition to first unit area can connected region.
In step 606, by it is maximum can connected region be determined as fingerprint can input area.
Fig. 7 be a kind of determining fingerprint shown according to an exemplary embodiment can input area method flow chart, such as
Shown in Fig. 7, this method can equipment by mobile terminal etc. with touch screen realize, comprising the following steps:
In step 701, bad point detection is carried out to touch screen.
In a step 702, when being tested with bad point, bad point position is determined.
In step 703, according to preset unit area size and the bad point position, touch screen is traversed, really
The quantity of bad point in fixed each unit area.
In step 704, for each unit area, determine that bad point quantity is more than the first unit of preset amount threshold
Region.
In step 705, determine in the touch screen in addition to first unit area can connected region.
It in step 706, can the first maximum rectangle in connected region described in determining.
In step 707, the maximum first maximum rectangle is determined as fingerprint can input area.
Fig. 8 be it is shown according to an exemplary embodiment it is a kind of prompt fingerprint can input area method flow chart, such as
Shown in Fig. 8, this method can equipment by mobile terminal etc. with touch screen realize, comprising the following steps:
In step 801, the input area that user inputs fingerprint is obtained.
In step 802, determine that fingerprint can input area.The step can refer to Fig. 6 and realization process shown in Fig. 7；Or
Person directly obtains the implementing result of Fig. 6 and method shown in Fig. 7, wherein the execution of Fig. 6 and method shown in Fig. 7 is stored in advance
As a result.
In step 803, judging whether the input area falls completely within the fingerprint can input area.Incomplete
Fall into the fingerprint can input area when, continue step 804；Fall completely within the fingerprint can input area when, continue step
805。
In step 804, export the determining fingerprint can input area prompt information.Prompt user can be defeated in fingerprint
Enter and inputs fingerprint in region again.
In step 805, the fingerprint of user's input is identified.
Of course, it is possible to when determining that user needs to input fingerprint (i.e. when entering fingerprint input pattern), and it is defeated in user
Enter just to export before fingerprint the determining fingerprint can input area prompt information.Prompt user can be in input area in fingerprint
Input fingerprint.
Above-described embodiment can carry out various combinations according to actual needs.
By it is described above understood determining fingerprint can input area realization process, the process is by equipment such as mobile terminals
It realizes, is introduced below for the internal structure and function of equipment.
Fig. 9 be a kind of determining fingerprint shown according to an exemplary embodiment can input area schematic device.Reference
Fig. 9, the device include: detection module 901, position module 902, spider module 903, regions module 904 and determining module 905.
Detection module 901, for carrying out bad point detection to touch screen.
Position module 902, for when being tested with bad point, determining bad point position.
Spider module 903 is used for according to preset unit area size and the bad point position, to touch screen progress time
It goes through, determines the quantity of bad point in each unit area.
Regions module 904 determines that bad point quantity is more than the first of preset amount threshold for being directed to each unit area
Unit area.
Determining module 905, for the region in the touch screen in addition to first unit area to be determined as fingerprint
It can input area.
In one embodiment, as shown in Figure 10, the determining module 905 includes: connection submodule 1001 and determines sub
Module 1002.
Be connected to submodule 1001, for determine in the touch screen in addition to first unit area can connected region
Domain.
Determine submodule 1002, for by it is maximum can connected region be determined as fingerprint can input area.
In one embodiment, the determining submodule 1002 determine described in can the first maximum rectangle in connected region；
Maximum first maximum rectangle is determined as fingerprint can input area.
In one embodiment, as shown in figure 11, the detection module 901 includes: the first detection sub-module 1101 or the
Two detection sub-modules 1102.
First detection sub-module 1101, for periodically carrying out bad point detection to touch screen.
Second detection sub-module 1102, for carrying out bad point detection to touch screen when entering fingerprint input pattern.
In one embodiment, as shown in figure 12, described device further include: output module 1201.
Output module 1201, for export the determining fingerprint can input area prompt information.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
Figure 13 be it is shown according to an exemplary embodiment it is a kind of for determine fingerprint can input area device 1300
Block diagram.For example, device 1300 can be mobile phone, and computer, digital broadcasting terminal, messaging device, game console,
Tablet device, Medical Devices, body-building equipment, personal digital assistant etc..
Referring to Fig.1 3, device 1300 may include following one or more components: processing component 1302, memory 1304,
Power supply module 1306, multimedia component 1308, audio component 1310, the interface 1312 of input/output (I/O), sensor module
1314 and communication component 1316.
The integrated operation of the usual control device 1300 of processing component 1302, such as with display, telephone call, data communication,
Camera operation and record operate associated operation.Processing component 1302 may include one or more processors 1320 to execute
Instruction, to perform all or part of the steps of the methods described above.In addition, processing component 1302 may include one or more moulds
Block, convenient for the interaction between processing component 1302 and other assemblies.For example, processing component 1302 may include multi-media module,
To facilitate the interaction between multimedia component 1308 and processing component 1302.
Memory 1304 is configured as storing various types of data to support the operation in device 1300.These data
Example includes the instruction of any application or method for operating on device 1300, contact data, telephone book data,
Message, picture, video etc..Memory 1304 can by any kind of volatibility or non-volatile memory device or they
Combination is realized, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), it is erasable can
Program read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory
Reservoir, disk or CD.
Power supply module 1306 provides power supply for the various assemblies of device 1300.Power supply module 1306 may include power management
System, one or more power supplys and other with for device 1300 generate, manage, and distribute the associated component of power supply.
Multimedia component 1308 includes the screen of one output interface of offer between described device 1300 and user.?
In some embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel,
Screen may be implemented as touch screen, to receive input signal from the user.Touch panel includes that one or more touch passes
Sensor is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding is dynamic
The boundary of work, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more
Media component 1308 includes a front camera and/or rear camera.When device 1300 is in operation mode, as shot mould
When formula or video mode, front camera and/or rear camera can receive external multi-medium data.Each preposition camera shooting
Head and rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 1310 is configured as output and/or input audio signal.For example, audio component 1310 includes a wheat
Gram wind (MIC), when device 1300 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone quilt
It is configured to receive external audio signal.The received audio signal can be further stored in memory 1304 or via communication
Component 1316 is sent.In some embodiments, audio component 1310 further includes a loudspeaker, is used for output audio signal.
I/O interface 1312 provides interface, above-mentioned peripheral interface module between processing component 1302 and peripheral interface module
It can be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and
Locking press button.
Sensor module 1314 includes one or more sensors, and the state for providing various aspects for device 1300 is commented
Estimate.For example, sensor module 1314 can detecte the state that opens/closes of device 1300, the relative positioning of component, such as institute
The display and keypad that component is device 1300 are stated, sensor module 1314 can be with detection device 1300 or device 1300
The position change of one component, the existence or non-existence that user contacts with device 1300,1300 orientation of device or acceleration/deceleration and
The temperature change of device 1300.Sensor module 1314 may include proximity sensor, be configured in not any object
It is detected the presence of nearby objects when reason contact.Sensor module 1314 can also include optical sensor, as CMOS or ccd image are passed
Sensor, for being used in imaging applications.In some embodiments, which can also include acceleration sensing
Device, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 1316 is configured to facilitate the communication of wired or wireless way between device 1300 and other equipment.Dress
The wireless network based on communication standard, such as WiFi can be accessed by setting 1300,2G or 3G or their combination.It is exemplary at one
In embodiment, communication component 1316 receives broadcast singal or broadcast correlation from external broadcasting management system via broadcast channel
Information.In one exemplary embodiment, the communication component 1316 further includes near-field communication (NFC) module, to promote short distance
Communication.For example, radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band can be based in NFC module
(UWB) technology, bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 1300 can be by one or more application specific integrated circuit (ASIC), number
Signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided
It such as include the memory 1304 of instruction, above-metioned instruction can be executed by the processor 1320 of device 1300 to complete the above method.Example
Such as, the non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, soft
Disk and optical data storage devices etc..
A kind of determining fingerprint can input area device, comprising:
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to:
Bad point detection is carried out to touch screen；
When being tested with bad point, bad point position is determined；
According to preset unit area size and the bad point position, touch screen is traversed, determines each unit area
The quantity of bad point in domain；
For each unit area, determine that bad point quantity is more than the first unit area of preset amount threshold；
Region in the touch screen in addition to first unit area is determined as fingerprint can input area.
The processor can be additionally configured to:
The region by the touch screen in addition to first unit area be determined as fingerprint can input area, packet
It includes:
Determine in the touch screen in addition to first unit area can connected region；
By it is maximum can connected region be determined as fingerprint can input area.
The processor can be additionally configured to:
It is described by it is maximum can connected region be determined as fingerprint can input area, comprising:
It can the first maximum rectangle in connected region described in determination；
Maximum first maximum rectangle is determined as fingerprint can input area.
The processor can be additionally configured to:
It is described that bad point detection is carried out to touch screen, comprising:
Bad point detection periodically is carried out to touch screen；Or
When entering fingerprint input pattern, bad point detection is carried out to touch screen.
The processor can be additionally configured to:
The method also includes:
Export the determining fingerprint can input area prompt information.
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is by the processing of mobile terminal
When device executes so that mobile terminal be able to carry out a kind of determining fingerprint can input area method, which comprises
Bad point detection is carried out to touch screen；
When being tested with bad point, bad point position is determined；
According to preset unit area size and the bad point position, touch screen is traversed, determines each unit area
The quantity of bad point in domain；
For each unit area, determine that bad point quantity is more than the first unit area of preset amount threshold；
Region in the touch screen in addition to first unit area is determined as fingerprint can input area.
Instruction in the storage medium can also include:
The region by the touch screen in addition to first unit area be determined as fingerprint can input area, packet
It includes:
Determine in the touch screen in addition to first unit area can connected region；
By it is maximum can connected region be determined as fingerprint can input area.
Instruction in the storage medium can also include:
It is described by it is maximum can connected region be determined as fingerprint can input area, comprising:
It can the first maximum rectangle in connected region described in determination；
Maximum first maximum rectangle is determined as fingerprint can input area.
Instruction in the storage medium can also include:
It is described that bad point detection is carried out to touch screen, comprising:
Bad point detection periodically is carried out to touch screen；Or
When entering fingerprint input pattern, bad point detection is carried out to touch screen.
Instruction in the storage medium can also include:
The method also includes:
Export the determining fingerprint can input area prompt information.
Figure 14 be it is shown according to an exemplary embodiment it is a kind of for determine fingerprint can input area device 1400
Block diagram.For example, device 1400 may be provided as a computer.Referring to Fig.1 4, device 1400 includes processing component 1422, into
One step includes one or more processors, and the memory resource as representated by memory 1432, can be by handling for storing
The instruction of the execution of component 1422, such as application program.The application program stored in memory 1432 may include one or one
Each more than a corresponds to the module of one group of instruction.In addition, processing component 1422 is configured as executing instruction, on executing
The method of stating determines that fingerprint can input area.
Device 1400 can also include that a power supply module 1426 be configured as the power management of executive device 1400, and one
Wired or wireless network interface 1450 is configured as device 1400 being connected to network and input and output (I/O) interface
1458.Device 1400 can be operated based on the operating system for being stored in memory 1432, such as Windows ServerTM, Mac
OS XTM, UnixTM, LinuxTM, FreeBSDTM or similar.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (11)
1. a kind of determining fingerprint can input area method characterized by comprising
Bad point detection is carried out to touch screen；
When being tested with bad point, bad point position is determined；
According to preset unit area size and the bad point position, touch screen is traversed, is determined in each unit area
The quantity of bad point；
For each unit area, determine that bad point quantity is more than the first unit area of preset amount threshold；
Region in the touch screen in addition to first unit area is determined as fingerprint can input area.
2. determining fingerprint according to claim 1 can input area method, which is characterized in that it is described by the touch screen
In region in addition to first unit area be determined as fingerprint can input area, comprising:
Determine in the touch screen in addition to first unit area can connected region；
By it is maximum can connected region be determined as fingerprint can input area.
3. determining fingerprint according to claim 2 can input area method, which is characterized in that it is described to connect maximum
Logical region is determined as fingerprint can input area, comprising:
It can the first maximum rectangle in connected region described in determination；
Maximum first maximum rectangle is determined as fingerprint can input area.
4. determining fingerprint according to claim 1 can input area method, which is characterized in that it is described to touch screen carry out
Bad point detection, comprising:
Bad point detection periodically is carried out to touch screen；Or
When entering fingerprint input pattern, bad point detection is carried out to touch screen.
5. determining fingerprint according to claim 1 can input area method, which is characterized in that the method also includes:
Export the determining fingerprint can input area prompt information.
6. a kind of determining fingerprint can input area device characterized by comprising
Detection module, for carrying out bad point detection to touch screen；
Position module, for when being tested with bad point, determining bad point position；
Spider module determines every for being traversed to touch screen according to preset unit area size and the bad point position
The quantity of bad point in a unit area；
Regions module determines that bad point quantity is more than the first unit area of preset amount threshold for being directed to each unit area
Domain；
Determining module, can input area for the region in the touch screen in addition to first unit area to be determined as fingerprint
Domain.
7. determining fingerprint according to claim 6 can input area device, which is characterized in that the determining module packet
It includes:
Be connected to submodule, for determine in the touch screen in addition to first unit area can connected region；
Determine submodule, for by it is maximum can connected region be determined as fingerprint can input area.
8. determining fingerprint according to claim 7 can input area device, which is characterized in that the determining submodule is true
It is fixed described can the first maximum rectangle in connected region；Maximum first maximum rectangle is determined as fingerprint can input area.
9. determining fingerprint according to claim 6 can input area device, which is characterized in that the detection module packet
It includes: the first detection sub-module or the second detection sub-module；
First detection sub-module, for periodically carrying out bad point detection to touch screen；
Second detection sub-module, for carrying out bad point detection to touch screen when entering fingerprint input pattern.
10. determining fingerprint according to claim 6 can input area device, which is characterized in that described device further include:
Output module, for export the determining fingerprint can input area prompt information.
11. a kind of determining fingerprint can input area device characterized by comprising
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to:
Bad point detection is carried out to touch screen；
When being tested with bad point, bad point position is determined；
According to preset unit area size and the bad point position, touch screen is traversed, is determined in each unit area
The quantity of bad point；
For each unit area, determine that bad point quantity is more than the first unit area of preset amount threshold；
Region in the touch screen in addition to first unit area is determined as fingerprint can input area.
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| CN201710843284.4A CN109521899B (en) | 2017-09-18 | 2017-09-18 | Method and device for determining inputtable area of fingerprint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710843284.4A CN109521899B (en) | 2017-09-18 | 2017-09-18 | Method and device for determining inputtable area of fingerprint |
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| CN109521899B CN109521899B (en) | 2022-03-25 |
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| CN109521899B (en) | 2022-03-25 |
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