CN106991387A - A kind of full frame fingerprint collecting method and mobile terminal - Google Patents
A kind of full frame fingerprint collecting method and mobile terminal Download PDFInfo
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- CN106991387A CN106991387A CN201710179814.XA CN201710179814A CN106991387A CN 106991387 A CN106991387 A CN 106991387A CN 201710179814 A CN201710179814 A CN 201710179814A CN 106991387 A CN106991387 A CN 106991387A
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/96—Management of image or video recognition tasks
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Abstract
The embodiments of the invention provide a kind of full frame fingerprint collecting method and mobile terminal, wherein, ultrasound transducer array is provided with below the touch-screen of mobile terminal, the ultrasound transducer array includes N number of independent fingerprint collecting region, the N is the integer more than 1, and methods described includes：When touch screen induction is to contactant, the area pressed that the contactant presses the touch-screen is obtained；M corresponding with the area pressed independent fingerprint collecting regions in N number of independent fingerprint collecting region are determined, the M is the positive integer less than the N；By the M independent corresponding ultrasound transducer array collection in the fingerprint collecting region contact object images., can be in the full frame fingerprint recognition of progress ultrasonic wave by the embodiment of the present invention, the ultrasonic transducer of activation respective regions carries out fingerprint collecting work, so that, reduce mobile terminal power consumption.
Description
Technical field
The present invention relates to data processing field, and in particular to a kind of full frame fingerprint collecting method and mobile terminal.
Background technology
In the prior art, mobile terminal (such as mobile phone, tablet personal computer) is most of mobile more equipped with fingerprint identification function
The fingerprint identification function of terminal needs to realize by some specific region (such as home keys, back button) for pressing mobile terminal.
With the appearance of full frame fingerprint identification technology, the full frame fingerprint identification technology of ultrasonic wave is based particularly on so that user can lead to
Cross any one part of pressing mobile terminal touch screen, you can realize that fingerprint recognition is operated, but also bring fingerprint knowledge simultaneously
The problem of other power consumption increase.
The content of the invention
The embodiments of the invention provide a kind of full frame fingerprint collecting method and mobile terminal, it is possible to decrease carries out full frame fingerprint knowledge
Power consumption when other.
First aspect of the embodiment of the present invention provides a kind of full frame fingerprint collecting method, including：
When touch screen induction is to contactant, the area pressed that the contactant presses the touch-screen is obtained；
M corresponding with the area pressed independent fingerprint collecting regions in N number of independent fingerprint collecting region are determined,
The M is the positive integer less than the N；
By the M independent corresponding ultrasound transducer array collection in the fingerprint collecting region contact object images.
It is described to obtain with reference to the embodiment of the present invention in a first aspect, in the first possible embodiment of first aspect
The contactant is taken to press the area pressed of the touch-screen, including：
The false-touch prevention parameter set that the contactant presses the touch-screen is obtained, wherein, the false-touch prevention parameter set is included
Following at least one：Compressing time, pressing dynamics, the temperature for pressing area and the contactant；
When each false-touch prevention parameter in the false-touch prevention parameter set meets corresponding preparatory condition, the contact is determined
Thing presses the area pressed of the touch-screen.
With reference to first aspect of the embodiment of the present invention or the first possible embodiment of first aspect, the of first aspect
In two kinds of possible embodiments, connect described in the ultrasound transducer array collection in the M independent fingerprint collecting regions
Object image is touched, including：
Determine each independent fingerprint collecting region of the area pressed correspondence in the M independent fingerprint collecting regions by
Pressure surface is accumulated, and obtains the M pressing area；
Choose the independent fingerprint collecting of the corresponding ultrasound transducer array of maximum pressing area in the M pressing area
Region gathers the contact object image；
Judge whether the area of the contact object image is more than preset fingerprint and recognizes area, in the face of the contact object image
When product is more than preset fingerprint identification area, the contact object image for choosing the preset fingerprint identification size carries out fingerprint
Identification operation.
With reference to first aspect of the embodiment of the present invention or the first possible embodiment of first aspect, the of first aspect
In three kinds of possible embodiments, M corresponding with the area pressed in determination N number of independent fingerprint collecting region
After independent fingerprint collecting region, methods described also includes：
Judge whether the M is more than predetermined threshold value；
If the M is more than predetermined threshold value, user is pointed out to re-press the touch-screen.
With reference to first aspect of the embodiment of the present invention or the first possible embodiment of first aspect, the of first aspect
In four kinds of possible embodiments, gather described in the ultrasound transducer array in the M independent fingerprint collecting regions
Contact after object image, methods described also includes：
Judge whether the contact object image is fingerprint image；
If the contact object image is not the fingerprint image, the M independent fingerprint collecting region is controlled to enter dormancy
State.
Second aspect of the embodiment of the present invention provides a kind of mobile terminal, including：
Acquiring unit, pressing for the touch-screen is pressed for when touch screen induction is to contactant, obtaining the contactant
Intermediate pressure section；
Determining unit, for determining M independence corresponding with the area pressed in N number of independent fingerprint collecting region
Fingerprint collecting region, the M is the positive integer less than the N；
Collecting unit, for being connect described in the corresponding ultrasound transducer array collection in the independent fingerprint collecting regions of the M
Touch object image.
It is described to obtain single in the first possible embodiment of second aspect with reference to second aspect of the embodiment of the present invention
Member includes：
Acquisition module, the false-touch prevention parameter set of the touch-screen is pressed for obtaining the contactant, wherein, it is described anti-error
Touch parameter set and include following at least one：Compressing time, pressing dynamics, the temperature for pressing area and the contactant；
First determining module, default bar accordingly is met for each false-touch prevention parameter in the false-touch prevention parameter set
During part, determine that the contactant presses the area pressed of the touch-screen.
With reference to second aspect of the embodiment of the present invention or the first possible embodiment of second aspect, the of second aspect
In two kinds of possible embodiments, the collecting unit includes:
Second determining module, for determining that area pressed correspondence is each only in the M independent fingerprint collecting regions
The pressing area in vertical fingerprint collecting region, obtains the M pressing area；
Module is chosen, for choosing the corresponding ultrasound transducer array of maximum pressing area in the M pressing area
Independent fingerprint collecting region gather the contact object image；
Judge module, recognizes area, described for judging whether the area of the contact object image is more than preset fingerprint
When the area for contacting object image is more than preset fingerprint identification area, the contact that the preset fingerprint recognizes size is chosen
Object image carries out fingerprint recognition operation.
With reference to second aspect of the embodiment of the present invention or the first possible embodiment of second aspect, the of second aspect
In three kinds of possible embodiments, the mobile terminal also includes：
First judging unit, for determining N number of independent fingerprint collecting region in the determining unit in it is described by
After the corresponding M independent fingerprint collecting region of intermediate pressure section, judge whether the M is more than predetermined threshold value；
Tip element, if being more than predetermined threshold value for the M, points out user to re-press the touch-screen.
With reference to second aspect of the embodiment of the present invention or the first possible embodiment of second aspect, the of second aspect
In four kinds of possible embodiments, the mobile terminal also includes：
Second judging unit, for determining N number of independent fingerprint collecting region in the determining unit in it is described by
After the corresponding M independent fingerprint collecting region of intermediate pressure section, judge whether the contact object image is fingerprint image；
Control unit, if not being the fingerprint image for the contact object image, controls the M independent fingerprint collecting
Region enters resting state.
Implement the embodiment of the present invention, have the advantages that：
By the embodiment of the present invention, when touch screen induction is to contactant, the pressing area that contactant presses touch-screen is obtained
Domain, determines M corresponding with area pressed independent fingerprint collecting regions in N number of independent fingerprint collecting region, and M is less than the N
Positive integer, the ultrasound transducer array in the M independent fingerprint collecting regions gathers the contact object image.So as to,
It can activate corresponding region ultrasonic transducer in the full frame fingerprint recognition of progress ultrasonic wave and carry out fingerprint collecting work, reduction is moved
Dynamic power consumption of terminal.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1-1 is a kind of mobile terminal ultrasound transducer array of full frame fingerprint collecting method provided in an embodiment of the present invention
Schematic diagram；
Fig. 1-2 is that a kind of mobile terminal touch screen of full frame fingerprint collecting method provided in an embodiment of the present invention divides signal
Figure；
Fig. 2 is a kind of first embodiment schematic flow sheet of full frame fingerprint collecting method provided in an embodiment of the present invention；
Fig. 3 is a kind of second embodiment schematic flow sheet of full frame fingerprint collecting method provided in an embodiment of the present invention；
Fig. 4 is a kind of 3rd embodiment schematic flow sheet of full frame fingerprint collecting method provided in an embodiment of the present invention；
Fig. 5 a are a kind of first embodiment structural representations of mobile terminal provided in an embodiment of the present invention；
Fig. 5 b are the structural representations of the acquiring unit of the mobile terminal described by Fig. 5 a provided in an embodiment of the present invention；
Fig. 5 c are the structural representations of the collecting unit of the mobile terminal described by Fig. 5 a provided in an embodiment of the present invention；
Fig. 5 d are the another structural representations of the mobile terminal described by Fig. 5 a provided in an embodiment of the present invention；
Fig. 5 e are the another structural representations of the mobile terminal described by Fig. 5 a provided in an embodiment of the present invention；
Fig. 6 is a kind of second embodiment structural representation of mobile terminal provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Term " first ", " second ", " the 3rd " in description and claims of this specification and the accompanying drawing and "
Four " etc. be to be used to distinguish different objects, rather than for describing particular order.In addition, term " comprising " and " having " and it
Any deformation, it is intended that covering non-exclusive is included.For example contain the process of series of steps or unit, method, be
The step of system, product or equipment are not limited to list or unit, but the step of alternatively also include not listing or list
Member, or alternatively also include for the intrinsic other steps of these processes, method, product or equipment or unit.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can be wrapped in conjunction with the embodiments
In at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Mobile terminal described by the embodiment of the present invention can include smart mobile phone (such as Android phone, iOS mobile phones,
Windows Phone mobile phones etc.), tablet personal computer, palm PC, notebook computer, mobile internet device (MID, Mobile
Internet Devices) or Wearable etc., above-mentioned mobile terminal is only citing, and non exhaustive, including but not limited to upper
State mobile terminal.
It should be noted that using the fingerprint recognition module of ultrasonic fingerprint identification technology to recognize mould for ultrasonic fingerprint
Group.Ultrasonic fingerprint identification module constitutes ultrasound transducer array by ultrasonic transducer one by one, as Figure 1-1, so that, can
To convert the electrical signal to the IMAQ that acoustical signal sends the tactile thing that achieves a butt joint in ultrasonic frequency range.Ultrasonic transduction
Device send ultrasonic wave when, first convert the electrical signal to acoustical signal and launch, receive reflect ultrasonic acoustic letter
After number, acoustical signal is transmitted to processor, that is, completes the IMAQ to contactant, then again by processor according to collecting
Contactant image, carry out fingerprint authentication work.
Ultrasonic transducer is uniformly symmetrically distributed in touch-screen ultrasound transducer array formed below, according to touch screen zone
Division be divided into N number of independent fingerprint collecting region.When touch-screen is divided into 3 regions of upper, middle and lower, this 3 regions pair
There should be 3 independent fingerprint collecting regions, i.e. N is 3.Certainly, the division of touch-screen can also be that 2 × 2,3 × 3,4 × 4 etc. is a variety of
Dividing mode, can be by user's sets itself.As shown in Figure 1-2, it is that the division of touch-screen provided in an embodiment of the present invention a kind of is shown
It is intended to, touch-screen is divided into 4 regions in Fig. 1-2, to that there should be 4 independent fingerprint collecting regions.
Referring to Fig. 2, showing for a kind of first embodiment flow of full frame fingerprint collecting method provided in an embodiment of the present invention
It is intended to.Full frame fingerprint collecting method described in the present embodiment, comprises the following steps：
201st, when touch screen induction is to contactant, the area pressed that the contactant presses the touch-screen is obtained.
Wherein, the full frame fingerprint recognition based on ultrasonic wave, by pressing any region of touch-screen, can be carried out fingerprint
Recognize work.When touch screen induction to contactant is pressed, the area pressed that contactant presses touch-screen can be obtained.
Alternatively, above-mentioned steps 201 obtain the contactant and press the touch-screen when touch screen induction is to contactant
Area pressed may include following steps：
2011st, the false-touch prevention parameter set that the contactant presses the touch-screen is obtained, wherein, the false-touch prevention parameter set
Include following at least one：Compressing time, pressing dynamics, the temperature for pressing area and the contactant；
2012nd, when each false-touch prevention parameter in the false-touch prevention parameter set meets corresponding preparatory condition, institute is determined
State the area pressed that contactant presses the touch-screen.
Wherein, while the area pressed of contactant pressing touch-screen is obtained, contactant pressing touch can also be obtained
The false-touch prevention parameter of screen, false-touch prevention parameter may include contactant press touch-screen when compressing time, pressing dynamics, pressing area
With contactant temperature etc..Each corresponding preparatory condition of false-touch prevention parameter is provided with mobile terminal, only when each anti-error
When tactile parameter all meets its corresponding preparatory condition, mobile terminal can just perform the step of subsequent fingerprint is gathered.For example, during pressing
Between preparatory condition be greater than 2 seconds, the preparatory condition of pressing dynamics is greater than 2 Ns, and it is flat that the preparatory condition of pressing area is greater than 2
Square centimetre, the preparatory condition of contactant temperature be temperature in 35 degrees Celsius to 38 degree Celsius ranges, when pushed between, pressing force
When degree, pressing area and contactant temperature all meet its corresponding preparatory condition, it is possible to determine that currently carry out fingerprint recognition
Operation, rather than false triggering situation.
202nd, M corresponding with the area pressed independent fingerprint collectings in N number of independent fingerprint collecting region are determined
Region, the M is the positive integer less than the N.
Wherein, when contactant presses touch-screen, possible area pressed is just in an independent fingerprint collecting region, example
Such as, shown in Fig. 1-2 independent fingerprint collecting region 1, independent fingerprint collecting region 2, independent fingerprint collecting region 3, independent fingerprint
Any one independent fingerprint collecting region among pickup area 4, area pressed may also be in multiple independent fingerprint collecting regions
In, 2 independent fingerprint collecting regions, 3 independent fingerprint collecting regions, 4 independent fingerprint collecting regions as shown in Figure 1-2,
All be it can happen that, it is therefore desirable to which mobile terminal determines corresponding M independent fingerprint collecting regions of area pressed.
203rd, the ultrasound transducer array in the M independent fingerprint collecting regions gathers the contact object image.
Wherein, after the corresponding M independent fingerprint collecting region of area pressed is determined, it can be adopted by this M independent fingerprints
Ultrasonic transducer in object image, i.e. this M independent fingerprint collecting regions of collection contact of collection region, which is performed, sends and receives ultrasound
Ripple, the IMAQ work for the tactile thing that achieves a butt joint.Due to the ultrasonic transducer being only located in this M independent fingerprint collecting regions
Just work, the ultrasonic transducer in other independent fingerprint collecting regions outside this M independent fingerprint collecting regions does not work, from
And, the power consumption of mobile terminal can be reduced, at the same time it can also reduce the time for carrying out fingerprint collecting work.
Alternatively, ultrasound transducer array of the above-mentioned steps 203 in the M independent fingerprint collecting regions gathers described
Contact object image may include following steps：
2031st, each independent fingerprint collecting area of the area pressed correspondence in the M independent fingerprint collecting regions is determined
The pressing area in domain, obtains the M pressing area；
2032nd, independently referring to for the maximum pressing corresponding ultrasound transducer array of area in the M pressing area is chosen
Line pickup area gathers the contact object image.
2033rd, judge whether the area of the contact object image is more than preset fingerprint and recognizes area, in the contactant figure
When the area of picture is more than preset fingerprint identification area, the contact object image for choosing the preset fingerprint identification size enters
Row fingerprint recognition is operated.
Wherein, when M is more than 1, it may be determined that contactant each independent fingerprint collecting in M independent fingerprint collecting regions
The pressing area in region, thus obtain M pressing area, then choose this M pressing area in area maximum independent fingerprint adopt
Collect region as target fingerprint pickup area, the image for gathering contactant can be performed by this target fingerprint pickup area.
Alternatively, before target fingerprint pickup area collection contact object image, target fingerprint acquisition zone can first be judged
Whether the pressing area in domain, which is more than preset fingerprint, recognizes area, because only that the size of contact object image is more than preset fingerprint
When recognizing area, it just can enter to be about to the matching work of contactant image and pre-set image.In pressing for target fingerprint pickup area
When pressure surface product is more than preset fingerprint identification area, the contact object image that can only choose preset fingerprint identification size is referred to
Line identification work, selection mode can choose definition highest part image in contact object image, so that, in reduction work(
While consumption, the efficiency for carrying out fingerprint recognition work can also be improved.
By the embodiment of the present invention, when touch screen induction is to contactant, the pressing area that contactant presses touch-screen is obtained
Domain, determines M corresponding with area pressed independent fingerprint collecting regions in N number of independent fingerprint collecting region, and M is less than the N
Positive integer, the ultrasound transducer array in the M independent fingerprint collecting regions gathers the contact object image.So as to,
Can be in the full frame fingerprint recognition of progress ultrasonic wave, the ultrasonic transducer of activation respective regions carries out fingerprint collecting work, and reduction is moved
Dynamic power consumption of terminal.
Consistent with the abovely, referring to Fig. 3, being the second of a kind of full frame fingerprint collecting method provided in an embodiment of the present invention
Embodiment schematic flow sheet.Full frame fingerprint collecting method described in the present embodiment, comprises the following steps：
301st, when touch screen induction is to contactant, the area pressed that the contactant presses the touch-screen is obtained.
302nd, M corresponding with the area pressed independent fingerprint collectings in N number of independent fingerprint collecting region are determined
Region, the M is the positive integer less than the N.
Wherein, above-mentioned steps 301- steps 302 refer to the step 201- steps of the full frame fingerprint collecting method described by Fig. 2
Rapid 202.
303rd, judge whether the M is more than predetermined threshold value；
If the 304, the M is more than predetermined threshold value, user is pointed out to re-press the touch-screen.
Wherein, after M corresponding with area pressed independent fingerprint collecting regions are determined, if M is more than predetermined threshold value, move
Dynamic terminal can be pointed out to be used to re-enter fingerprint.For example, predetermined threshold value is 1, representing area pressed needs independently to refer at one
Line pickup area, fingerprint collecting work is carried out by this independent fingerprint collecting region, certainly, in this case, reduction movement
The effect of power consumption of terminal is also to be most difficult to what is realized preferably, but for a user, not easy to operate.Alternatively, predetermined threshold value
Can be 2, as long as area pressed is in 2 independent fingerprint collecting regions, you can fingerprint collecting work is carried out, if area pressed pair
The independent fingerprint collecting areal answered is more than 2, and mobile terminal can point out user to re-press touch-screen, and user can adjust
Behind the position of whole area pressed, touch-screen is re-pressed.
By the embodiment of the present invention, when touch screen induction is to contactant, the pressing area that contactant presses touch-screen is obtained
Domain, determines M corresponding with area pressed independent fingerprint collecting regions in N number of independent fingerprint collecting region, and M is less than the N
Positive integer, judge the M whether be more than predetermined threshold value, if the M be more than predetermined threshold value, point out user re-press it is described touch
Touch screen.So as to, can be in the full frame fingerprint recognition of progress ultrasonic wave, the ultrasonic transducer of activation respective regions carries out fingerprint collecting work
Make, when areal exceedes predetermined threshold value, remind user to re-press screen.Mobile terminal work(can more effectively be reduced
Consumption.
Consistent with the abovely, referring to Fig. 4, being the 3rd of a kind of full frame fingerprint collecting method provided in an embodiment of the present invention the
Embodiment schematic flow sheet.Full frame fingerprint collecting method described in the present embodiment, comprises the following steps：
401st, when touch screen induction is to contactant, the area pressed that the contactant presses the touch-screen is obtained.
402nd, M corresponding with the area pressed independent fingerprint collectings in N number of independent fingerprint collecting region are determined
Region, the M is the positive integer less than the N.
403rd, the ultrasound transducer array in the M independent fingerprint collecting regions gathers the contact object image.
Wherein, above-mentioned steps 401- steps 403 refer to the step 201- steps of the full frame fingerprint collecting method described by Fig. 1
Rapid 203.
404th, judge whether the contact object image is fingerprint image；
If the 405, the contact object image is not the fingerprint image, the M independent fingerprint collecting region is controlled to enter
Resting state.
Wherein, after contact object image is collected, it can be determined that whether the contact object image is fingerprint image.Due to finger
The wrinkle ridge of fingerprint recognizes that the distance of module is different with line paddy to ultrasonic fingerprint, therefore ultrasonic transducer sends and receives ultrasonic wave
The time spent is also different, it is thus possible to form the fingerprint image being made up of wrinkle ridge and line paddy.When the image collected is not
When being made up of wrinkle ridge and line paddy, it is possible to determine that the contact object image is not fingerprint image, and at this moment, mobile terminal can control M
Independent fingerprint collecting region enters resting state, and any processing is no longer carried out to image.
By the embodiment of the present invention, when touch screen induction is to contactant, the pressing area that contactant presses touch-screen is obtained
Domain, determines M corresponding with area pressed independent fingerprint collecting regions in N number of independent fingerprint collecting region, and M is less than the N
Positive integer, the ultrasound transducer array in the M independent fingerprint collecting regions gathers the contact object image, judges institute
State whether contact object image is fingerprint image, if the contact object image is not the fingerprint image, described M of control independently refers to
Line pickup area enters resting state.So as to, can be in the full frame fingerprint recognition of progress ultrasonic wave, the ultrasound of activation respective regions is changed
Energy device carries out fingerprint collecting work, if the image collected is not fingerprint, corresponding processing is not done, shifting can be more effectively reduced
Dynamic power consumption of terminal.
Consistent with the abovely, the device of the full frame fingerprint collecting method provided below for the implementation embodiments of the present invention,
It is specific as follows：
Fig. 5 a are referred to, are a kind of example structure schematic diagram of mobile terminal provided in an embodiment of the present invention.This implementation
Mobile terminal described in example, including：Acquiring unit 501, determining unit 502 and collecting unit 503, it is specific as follows：
Acquiring unit 501, the touch-screen is pressed for when touch screen induction is to contactant, obtaining the contactant
Area pressed；
Determining unit 502, for determining in N number of independent fingerprint collecting region M corresponding with the area pressed
Independent fingerprint collecting region, the M is the positive integer less than the N；
Collecting unit 503, for being connect described in the ultrasound transducer array collection in the M independent fingerprint collecting regions
Touch object image.
Alternatively, as shown in Figure 5 b, the acquiring unit 501 includes：The determining module 5012 of acquisition module 5011 and first,
It is specific as follows：
Acquisition module 5011, the false-touch prevention parameter set of the touch-screen is pressed for obtaining the contactant, wherein, it is described
False-touch prevention parameter set includes following at least one：Compressing time, pressing dynamics, the temperature for pressing area and the contactant；
First determining module 5012, meets corresponding pre- for each false-touch prevention parameter in the false-touch prevention parameter set
If during condition, determining that the contactant presses the area pressed of the touch-screen.
Alternatively, as shown in Figure 5 c, the collecting unit 503 includes:Second determining module 5031, selection module 5032 and
Judge module 5033, it is specific as follows：
Second determining module 5031, for determining that area pressed correspondence is every in the M independent fingerprint collecting regions
The pressing area in one independent fingerprint collecting region, obtains the M pressing area；
Module 5032 is chosen, for choosing the corresponding ultrasonic transducer of maximum pressing area in the M pressing area
The independent fingerprint collecting region of array gathers the contact object image.
Judge module 5033, area is recognized for judging whether the area of the contact object image is more than preset fingerprint,
When the area of the contact object image is more than preset fingerprint identification area, the described of the preset fingerprint identification size is chosen
Contact object image and carry out fingerprint recognition operation.
Alternatively, such as a kind of modification structures that Fig. 5 d, Fig. 5 d are Fig. 5 a, Fig. 5 d are compared with Fig. 5 a, described by Fig. 5 a
Mobile terminal may also include：First judging unit 504 and Tip element 505, it is specific as follows：
First judging unit 504, for judging whether the M is more than predetermined threshold value；
Tip element 505, if being more than predetermined threshold value for the M, points out user to re-press the touch-screen.
Alternatively, such as a kind of modification structures that Fig. 5 e, Fig. 5 e are Fig. 5 a, Fig. 5 e are compared with Fig. 5 a, described by Fig. 5 a
Mobile terminal may also include：Second judging unit 506 and control unit 507, it is specific as follows：
Second judging unit 506, for judging whether the contact object image is fingerprint image；
Control unit 507, if not being the fingerprint image for the contact object image, controls the M independent fingerprint
Pickup area enters resting state.
By the embodiment of the present invention, when touch screen induction is to contactant, the pressing area that contactant presses touch-screen is obtained
Domain, determines M corresponding with area pressed independent fingerprint collecting regions in N number of independent fingerprint collecting region, and M is less than the N
Positive integer, the ultrasound transducer array in the M independent fingerprint collecting regions gathers the contact object image.So as to,
Can be in the full frame fingerprint recognition of progress ultrasonic wave, the ultrasonic transducer of activation respective regions carries out fingerprint collecting work, and reduction is moved
Dynamic power consumption of terminal.
Referring to Fig. 6, being a kind of second embodiment structural representation of mobile terminal provided in an embodiment of the present invention.This reality
The mobile terminal described in example is applied, including：At least one input equipment 1000；At least one output equipment 2000；At least one
Individual processor 3000, such as CPU；With memory 4000, above-mentioned input equipment 1000, output equipment 2000, the and of processor 3000
Memory 4000 is connected by bus 5000.
Wherein, above-mentioned input equipment 1000 concretely contact panel, physical button or mouse.
Above-mentioned output equipment 2000 concretely display screen.
Above-mentioned memory 4000 can be high-speed RAM memory, or nonvolatile storage (non-volatile
Memory), such as magnetic disk storage.Above-mentioned memory 4000 is used to store batch processing code, above-mentioned input equipment 1000, defeated
Going out equipment 2000 and processor 3000 is used to call the program code stored in memory 4000, performs following operation：
Above-mentioned processor 3000, is used for：
When touch screen induction is to contactant, the area pressed that the contactant presses the touch-screen is obtained；
M corresponding with the area pressed independent fingerprint collecting regions in N number of independent fingerprint collecting region are determined,
The M is the positive integer less than the N；
Ultrasound transducer array in the M independent fingerprint collecting regions gathers the contact object image.
Alternatively, above-mentioned processor 3000 obtains the area pressed that the contactant presses the touch-screen, including：
The false-touch prevention parameter set that the contactant presses the touch-screen is obtained, wherein, the false-touch prevention parameter set is included
Following at least one：Compressing time, pressing dynamics, the temperature for pressing area and the contactant；
When each false-touch prevention parameter in the false-touch prevention parameter set meets corresponding preparatory condition, the contact is determined
Thing presses the area pressed of the touch-screen.
Alternatively, ultrasound transducer array of the above-mentioned processor 3000 in the M independent fingerprint collecting regions is gathered
The contact object image, including：
Determine each independent fingerprint collecting region of the area pressed correspondence in the M independent fingerprint collecting regions by
Pressure surface is accumulated, and obtains the M pressing area；
Choose the independent fingerprint collecting of the corresponding ultrasound transducer array of maximum pressing area in the M pressing area
Region gathers the contact object image；
Judge whether the area of the contact object image is more than preset fingerprint and recognizes area, in the face of the contact object image
When product is more than preset fingerprint identification area, the contact object image for choosing the preset fingerprint identification size carries out fingerprint
Identification operation.
Alternatively, above-mentioned processor 3000 it is described determine in N number of independent fingerprint collecting region with the pressing area
After the corresponding M independent fingerprint collecting region in domain, methods described also includes：
Judge whether the M is more than predetermined threshold value, if the M is more than predetermined threshold value, point out user to re-press described touch
Touch screen.
Alternatively, above-mentioned processor 3000 is in the ultrasonic transducer battle array in the M independent fingerprint collecting regions
After the row collection contact object image, methods described also includes：
Judge whether the contact object image is fingerprint image；
If the contact object image is not the fingerprint image, the M independent fingerprint collecting region is controlled to enter dormancy
State.
The embodiment of the present invention also provides a kind of computer-readable storage medium, wherein, the computer-readable storage medium can be stored with journey
Sequence, including the part or all of of any full frame fingerprint collecting method described in the above method embodiment when program is performed
Step.
Although combining each embodiment herein, invention has been described, however, implementing the present invention for required protection
During, those skilled in the art are by checking the accompanying drawing, disclosure and appended claims, it will be appreciated that and it is real
Other changes of the existing open embodiment.In the claims, the word of " comprising " (comprising) one is not excluded for other compositions
Part or step, "a" or "an" are not excluded for multiple situations.Single processor or other units can realize claim
In some functions enumerating.Mutually different has been recited in mutually different dependent some measures, it is not intended that these are arranged
Apply to combine and produce good effect.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device (equipment) or computer journey
Sequence product.Therefore, in terms of the present invention can be using complete hardware embodiment, complete software embodiment or combination software and hardware
The form of embodiment.Moreover, the present invention can be used in one or more calculating for wherein including computer usable program code
The computer program that machine usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.Computer program is stored/distributed in suitable medium, is provided together with other hardware or as the one of hardware
Part, it would however also be possible to employ other distribution forms, such as passes through the wired or wireless telecommunication systems of Internet or other.
The present invention be with reference to the method for the embodiment of the present invention, device (equipment) and computer program product flow chart with/
Or block diagram is described.It should be understood that can by each flow in computer program instructions implementation process figure and/or block diagram and/
Or square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These computer program instructions can be provided
To the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices to produce one
Individual machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for realizing
The device for the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Although with reference to specific features and embodiment, invention has been described, it is clear that, do not departing from this hair
In the case of bright spirit and scope, various modifications and combinations can be carried out to it.Correspondingly, the specification and drawings are only institute
The exemplary illustration of the invention that attached claim is defined, and be considered as covered in the scope of the invention any and all and repair
Change, change, combining or equivalent.Obviously, those skilled in the art can to the present invention carry out it is various change and modification without
Depart from the spirit and scope of the present invention.So, if the present invention these modifications and variations belong to the claims in the present invention and its
Within the scope of equivalent technologies, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of full frame fingerprint collecting method, it is characterised in that ultrasonic transducer battle array is provided with below the touch-screen of mobile terminal
Row, the ultrasound transducer array includes N number of independent fingerprint collecting region, and the N is the integer more than 1, including：
When touch screen induction is to contactant, the area pressed that the contactant presses the touch-screen is obtained；
M corresponding with the area pressed independent fingerprint collecting regions in N number of independent fingerprint collecting region are determined, it is described
M is the positive integer less than the N；
By the M independent corresponding ultrasound transducer array collection in the fingerprint collecting region contact object images.
2. according to the method described in claim 1, it is characterised in that described to obtain pressing for the contactant pressing touch-screen
Intermediate pressure section, including：
The false-touch prevention parameter set that the contactant presses the touch-screen is obtained, wherein, the false-touch prevention parameter set is comprising following
It is at least one：Compressing time, pressing dynamics, the temperature for pressing area and the contactant；
When each false-touch prevention parameter in the false-touch prevention parameter set meets corresponding preparatory condition, determine the contactant by
Press the area pressed of the touch-screen.
3. the method according to any one of claim 1 or 2, it is characterised in that described by the M independent fingerprint collecting areas
Ultrasound transducer array in domain gathers the contact object image, including：
Determine the press surface in each independent fingerprint collecting region of the area pressed correspondence in the M independent fingerprint collecting regions
Product, obtains the M pressing area；
Choose the independent fingerprint collecting region of the corresponding ultrasound transducer array of maximum pressing area in the M pressing area
Gather the contact object image；
Judge whether the area of the contact object image is more than preset fingerprint and recognizes area, it is big in the area of the contact object image
When preset fingerprint recognizes area, the contact object image for choosing the preset fingerprint identification size carries out fingerprint recognition
Operation.
4. the method according to any one of claim 1 or 2, it is characterised in that determine that N number of independent fingerprint is adopted described
Collect in region after M corresponding with the area pressed independent fingerprint collecting regions, methods described also includes：
Judge whether the M is more than predetermined threshold value；
If the M is more than predetermined threshold value, user is pointed out to re-press the touch-screen.
5. the method according to any one of claim 1 or 2, it is characterised in that described by the M independent fingerprint collectings
After the ultrasound transducer array collection contact object image in region, methods described also includes：
Judge whether the contact object image is fingerprint image；
If the contact object image is not the fingerprint image, the M independent fingerprint collecting region is controlled to enter resting state.
6. a kind of mobile terminal, it is characterised in that including：
Acquiring unit, for when touch screen induction is to contactant, obtaining the pressing area that the contactant presses the touch-screen
Domain；
Determining unit, for determining M corresponding with the area pressed independent fingerprints in N number of independent fingerprint collecting region
Pickup area, the M is the positive integer less than the N；
Collecting unit, for by the M independent corresponding ultrasound transducer array collection in the fingerprint collecting region contactants
Image.
7. mobile terminal according to claim 6, it is characterised in that the acquiring unit includes：
Acquisition module, the false-touch prevention parameter set of the touch-screen is pressed for obtaining the contactant, wherein, the false-touch prevention ginseng
Manifold includes following at least one：Compressing time, pressing dynamics, the temperature for pressing area and the contactant；
First determining module, corresponding preparatory condition is met for each false-touch prevention parameter in the false-touch prevention parameter set
When, determine that the contactant presses the area pressed of the touch-screen.
8. according to any one of claim 6 or 7 mobile terminal, it is characterised in that the collecting unit includes:
Second determining module, for determining that each in the M independent fingerprint collecting regions of area pressed correspondence independently refers to
The pressing area of line pickup area, obtains the M pressing area；
Module is chosen, for choosing the only of the corresponding ultrasound transducer array of maximum pressing area in the M pressing area
Vertical fingerprint collecting region gathers the contact object image；
Judge module, recognizes area, in the contact for judging whether the area of the contact object image is more than preset fingerprint
When the area of object image is more than preset fingerprint identification area, the contactant figure that the preset fingerprint recognizes size is chosen
As carrying out fingerprint recognition operation.
9. according to any one of claim 6 or 7 mobile terminal, it is characterised in that the mobile terminal also includes：
First judging unit, for determining N number of independent fingerprint collecting region in the determining unit in the pressing area
After the corresponding M independent fingerprint collecting region in domain, judge whether the M is more than predetermined threshold value；
Tip element, if being more than predetermined threshold value for the M, points out user to re-press the touch-screen.
10. according to any one of claim 6 or 7 mobile terminal, it is characterised in that the mobile terminal also includes：
Second judging unit, for determining N number of independent fingerprint collecting region in the determining unit in the pressing area
After the corresponding M independent fingerprint collecting region in domain, judge whether the contact object image is fingerprint image；
Control unit, if the contact object image is not the fingerprint image, controls the M independent fingerprint collecting region to enter
Resting state.
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| CN201710179814.XA CN106991387A (en) | 2017-03-23 | 2017-03-23 | A kind of full frame fingerprint collecting method and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710179814.XA CN106991387A (en) | 2017-03-23 | 2017-03-23 | A kind of full frame fingerprint collecting method and mobile terminal |
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| CN106991387A true CN106991387A (en) | 2017-07-28 |
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| CN201710179814.XA Pending CN106991387A (en) | 2017-03-23 | 2017-03-23 | A kind of full frame fingerprint collecting method and mobile terminal |
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