CN106066685B - One kind solution lock control method and terminal device - Google Patents
One kind solution lock control method and terminal device Download PDFInfo
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- CN106066685B CN106066685B CN201610374130.0A CN201610374130A CN106066685B CN 106066685 B CN106066685 B CN 106066685B CN 201610374130 A CN201610374130 A CN 201610374130A CN 106066685 B CN106066685 B CN 106066685B
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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
- G06F1/3243—Power saving in microcontroller unit
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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
- G06V40/1365—Matching; Classification
- G06V40/1371—Matching features related to minutiae or pores
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Abstract
The invention discloses one kind to solve lock control method, including：When detecting user to the touch-control pressing operation of the fingerprint recognition module of terminal device, the first image is obtained；Determine whether described first image is fingerprint image by the micro-control unit MCU of the fingerprint recognition module；If described first image is fingerprint image, fingerprint contrast processing is performed to described first image；If the result for detecting the fingerprint contrast processing is matching, the terminal device is unlocked.The embodiment of the present invention additionally provides a kind of terminal device.The power consumption of terminal device can be reduced using the embodiment of the present invention.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of solution lock control method and terminal device.
Background technology
Present fingerprint identification technology has become main flow terminal equipment (such as smart mobile phone, tablet personal computer etc.) manufacturer's flagship
The standard configuration of type.Fingerprint recognition can be not only used for the functions such as unblock and the wake-up of terminal device, and mobile payment is important
One ring.Fingerprint is paid while user's property easy to use is met, to security it is also proposed that higher requirement.The mistake of fingerprint recognition
Journey is divided into：Extract feature, preserve data and images match.Original fingerprint image is obtained by fingerprint recognition module first, then
Preliminary processing is carried out to original image, is allowed to apparent, subsequently carries out Feature Points Matching with registered fingerprint template.Matching
It is unlocked after success.
Power consumption at present needed for fingerprint recognition is larger, therefore how to reduce terminal device power consumption is that this area is urgently to be resolved hurrily
One technical problem.
The content of the invention
The embodiment of the present invention provides a kind of solution lock control method and terminal device, to reduce the power consumption of terminal device.
In a first aspect, the embodiment of the present invention provides a kind of solution lock control method, including：
When detecting user to the touch-control pressing operation of the fingerprint recognition module of terminal device, the first image is obtained；
Determine whether described first image is fingerprint image by the micro-control unit MCU of the fingerprint recognition module；
If described first image is fingerprint image, fingerprint contrast processing is performed to described first image；
If the result for detecting the fingerprint contrast processing is matching, the terminal device is unlocked.
In a kind of possible implementation, the micro-control unit MCU by the fingerprint recognition module determines institute
State whether the first image is fingerprint image, including：
The area of described first image is determined by the MCU of the fingerprint recognition module；
If the area of described first image is less than first threshold, confirm that described first image is not fingerprint image.
In a kind of possible implementation, methods described also includes：
If the area of described first image is more than or equal to the first threshold, the M of generation described first image is obtained
Individual bottom data, the M are the integer more than 1；
If the quantity of the bottom data in preset range is more than or equal to Second Threshold in the M bottom data,
Confirmation described first image is fingerprint image；
If the quantity of the bottom data in the preset range is less than the Second Threshold in the M bottom data,
Then confirm that described first image is not fingerprint image.
In a kind of possible implementation, before the execution fingerprint contrast processing to described first image, the side
Method also includes：
Determine the definition of described first image；
If the definition of described first image is more than or equal to the 3rd threshold value, fingerprint contrast is performed to described first image
Processing；
If the definition of described first image is less than the 3rd threshold value, described that fingerprint contrast is performed to described first image
Processing, including：Processing is modified to described first image, obtains the second image, and fingerprint is performed to second image
Contrast is handled.
It is described to described first image execution fingerprint contrast processing in a kind of possible implementation, including：
Extract the general characteristic of described first image, and the fingerprint that the general characteristic and the terminal device are prestored
The general characteristic of template is contrasted；
If the phase knowledge and magnanimity of the general characteristic and the general characteristic of the fingerprint template are more than or equal to the 4th threshold value, carry
The local feature of described first image is taken, and the local feature of the local feature and the fingerprint template is contrasted；
If the similarity of the local feature and the local feature of the fingerprint template is more than or equal to the 5th threshold value, really
The result for recognizing the fingerprint contrast processing is matching.
In a kind of possible implementation, the unblock terminal device, including：
Determine whether there is the application associated with described first image；
If in the presence of the application associated with described first image, the application that is associated with described first image is loaded and shown
Default interface；
If in the absence of the application associated with described first image, load and show the system desktop of the terminal device.
Second aspect, the embodiment of the present invention provide a kind of terminal device, including：
Image collection module, touch-control pressing operation of the user to the fingerprint recognition module of terminal device is detected for working as
When, obtain the first image；
Image determining module, for determining that described image obtains by the micro-control unit MCU of the fingerprint recognition module
Whether the described first image that module is got is fingerprint image；
Fingerprint contrast module, if determining that described first image is fingerprint image for described image determining module, to institute
State the first image and perform fingerprint contrast processing；
Unlocked state, if for detecting that the result of the fingerprint contrast processing is matching, unlock the terminal device.
In a kind of possible implementation, described image determining module includes：
Area determining module, for determining the area of described first image by the MCU of the fingerprint recognition module；
If the area of described first image is less than first threshold, described image determining module confirms described first image not
For fingerprint image.
In a kind of possible implementation, described image determining module also includes：
Data acquisition module, if the area for being additionally operable to described first image is more than or equal to the first threshold, obtain life
Into M bottom data of described first image, the M is the integer more than 1；
If the quantity of the bottom data in preset range is more than or equal to Second Threshold in the M bottom data,
Confirmation described first image is fingerprint image；
If the quantity of the bottom data in the preset range is less than the Second Threshold in the M bottom data,
Then confirm that described first image is not fingerprint image.
In a kind of possible implementation, the terminal device also includes：
Definition determining module, for determining the definition of described first image；
If the definition of described first image is more than or equal to the 3rd threshold value, the fingerprint contrast module is used for described
First image performs fingerprint contrast processing；
If the definition of described first image is less than the 3rd threshold value, the fingerprint contrast module is specifically used for institute
State the first image and be modified processing, obtain the second image, and fingerprint contrast processing is performed to second image.
In a kind of possible implementation, the fingerprint contrast module is specifically used for：
Extract the general characteristic of described first image, and the fingerprint that the general characteristic and the terminal device are prestored
The general characteristic of template is contrasted；
If the similarity of the general characteristic and the general characteristic of the fingerprint template is more than or equal to the 4th threshold value, carry
The local feature of described first image is taken, and the local feature of the local feature and the fingerprint template is contrasted；
If the similarity of the local feature and the local feature of the fingerprint template is more than or equal to the 5th threshold value, really
The result for recognizing the fingerprint contrast processing is matching.
In a kind of possible implementation, the unlocked state is specifically used for：
Determine whether there is the application associated with described first image；
If in the presence of the application associated with described first image, the application that is associated with described first image is loaded and shown
Default interface；
If in the absence of the application associated with described first image, load and show the system desktop of the terminal device.
The third aspect, the embodiments of the invention provide a kind of terminal device, including：
It is stored with the memory of executable program code；
The processor coupled with the memory；
For gathering the fingerprint recognition module of fingerprint image；
The processor calls the executable program code stored in the memory, performs such as the embodiment of the present invention
Part or all of step described in first aspect either method.
Fourth aspect, the present invention provides a kind of computer-readable storage medium, for saving as second aspect of the embodiment of the present invention
Computer software instructions used in the terminal device of offer, it, which is included, is used to perform the program designed by above-mentioned aspect.
In the embodiment of the present invention, when obtaining the first image, the MCU for first passing through fingerprint recognition module determines that the first image is
No is fingerprint image, and after judging the first image for fingerprint image, the CPU for restarting terminal device performs fingerprint contrast processing,
It can be seen that before the first image for not determining to get is fingerprint image, the MCU for first passing through fingerprint recognition module carries out fingerprint image
As judging, without starting the CPU processing of terminal device, and then the power consumption of terminal device can be reduced.
The aspects of the invention or other aspects can more straightforwards in the following description.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet for solution lock control method that one embodiment of the invention provides；
Fig. 2 is the sub-process figure of step S103 shown in Fig. 1 of one embodiment of the invention offer；
Fig. 3 is the sub-process figure of step S104 shown in Fig. 1 of another embodiment of the present invention offer；
Fig. 4 is a kind of schematic flow sheet for solution lock control method that another embodiment of the present invention provides；
Fig. 5 is a kind of structural representation of terminal device provided in an embodiment of the present invention；
Fig. 6 is the structural representation of another terminal device provided in an embodiment of the present invention；
Fig. 7 is the structural representation of another terminal device provided in an embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model that the present invention protects
Enclose.
It is described in detail individually below.
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 cover non-exclusive include.Such as 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 alternatively also including the step of 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 wrap 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.
Hereinafter, the part term in the application is explained, in order to skilled artisan understands that.
1), terminal device, also referred to as user equipment (User Equipment, UE), are that one kind provides a user voice
And/or the equipment of data connectivity, for example, portable equipment, mobile unit with wireless connecting function etc..Common terminal
Such as including：Mobile phone, tablet personal computer, notebook computer, palm PC, mobile internet device (mobile internet
Device, MID), wearable device, such as intelligent watch, Intelligent bracelet, pedometer etc..
2), fingerprint recognition module, it is that the identification for individual fingerprints feature is realized by specific inductive module.Mesh
Before, fingerprint identification module is broadly divided into optical fingerprint module, capacitance type fingerprint module and RF-type fingerprint module.Fingerprint is known
The film key dome keys that other module can combine terminal device are set, and may be provided at front, the back side or side of terminal device etc.,
The present invention is not construed as limiting.Equally, fingerprint recognition module can combine the touch-screen setting of terminal device, may be provided at touching for touch-screen
Control the lower section of panel.
3), " multiple " refer to two or more."and/or", describes the incidence relation of affiliated partner, and expression can deposit
In three kinds of relations, for example, A and/or B, can be represented：Individualism A, while A and B be present, these three situations of individualism B.
It is a kind of relation of "or" that character "/", which typicallys represent forward-backward correlation object,.
Fig. 1 is referred to, Fig. 1 is a kind of schematic flow sheet of touch-control unlocking method provided in an embodiment of the present invention, including with
Lower step：
S101, when detecting user to the touch-control pressing operation of the fingerprint recognition module of terminal device, terminal device obtains
Take the first image.
S102, the terminal device determine described first image by the micro-control unit MCU of the fingerprint recognition module
Whether it is fingerprint image.
If S103, described first image are fingerprint image, the terminal device performs fingerprint pair to described first image
Than processing.
If S104, detect that the result that the fingerprint contrast is handled is to match, terminal described in the unlocking terminal equipment
Equipment.
Optionally, above step S102 embodiment has：
Terminal device determines the area of described first image by the MCU of the fingerprint recognition module；
If the area of described first image is less than first threshold, it is not finger that the terminal device, which confirms described first image,
Print image.
For example, in daily life may imprudence or maloperation touch fingerprint recognition module, fingerprint recognition
Module obtains image, and then terminal device starts the operation of computing device unlocked by fingerprint, can so improve the power consumption of terminal device.
In order to avoid above mentioned problem, before terminal device starts the operation of computing device unlocked by fingerprint, terminal device first passes through fingerprint
The MCU of identification module determines whether the first image that fingerprint recognition module is got is fingerprint image, and its embodiment has：
MCU determines the area of the first image, and when the area of the first image is less than first threshold, then terminal device directly confirms
One image is not fingerprint image.Image area is smaller (such as less than first threshold), and terminal device thinks the feature that can extract
Point number it is less, it is impossible to for carrying out identity judgement, in the case of this kind, in spite of be user's finger touching fingerprint recognition mould
Group, or other object touch fingerprint recognition module, and the image that terminal device is thought in this case to get is not fingerprint
Image, terminal device do not start computing device unlocked by fingerprint and operate and then can reduce the power consumption of terminal device.Wherein, the first threshold
Value can for example be equal to 1mm*1mm, 1.5mm*1.5mm, 2mm*2mm or other values.
Further, if the area of described first image is more than or equal to the first threshold, the terminal device obtains
M bottom data of generation described first image is taken, the M is the integer more than 1；
If the quantity of the bottom data in preset range is more than or equal to Second Threshold in the M bottom data,
Confirmation described first image is fingerprint image；
If the quantity of the bottom data in the preset range is less than the Second Threshold in the M bottom data,
Then confirm that described first image is not fingerprint image.
For example, although the first image area is more than above-mentioned first threshold, but it is also possible that be not fingerprint image, than
As user with gloves press fingerprint recognition module, the first image now got is not fingerprint image.Fingerprint image is basis
Multiple bottom data values generation that multiple induction electrodes of the induction electrode array of fingerprint recognition module are got.Fingerprint image
It is made up of finger peak and finger paddy, refers to bottom data corresponding to peak and be in the first scope, refer to bottom data corresponding to paddy and be in the second model
Enclose, it is seen that the bottom data of the fingerprint image of formation needs to fall into the first scope or the second scope (i.e. above-mentioned preset range).Cause
This, is more than above-mentioned first threshold in this case in the first image area, terminal device further confirmed by MCU this
Whether one image is fingerprint image.Its specific implementation has：M bottom data for generating first image is first obtained, then
Determine whether the quantity of the bottom data in preset range in this M bottom data is more than or equal to Second Threshold, if so, then
It is fingerprint image to determine first image, if it is not, then confirming that first image is not fingerprint image.For example there is dust on finger
Or thering is the globule to be likely to have influence on the quantity that the bottom data got is in preset range, usual bottom data is in pre-
If the quantity of scope, when a fixed number, terminal device is considered that fingerprint image can be generated, i.e., in this case gets
First image is fingerprint image.
Optionally, before above step S103, the method shown in Fig. 1 also includes：
Terminal device determines the definition of described first image；
If the definition of described first image is more than or equal to the 3rd threshold value, the terminal device is to described first image
Perform fingerprint contrast processing；
If the definition of described first image is less than the 3rd threshold value, terminal device is to described described in above step S103
The embodiment that first image performs fingerprint contrast processing has：The terminal device is modified place to described first image
Reason, the second image is obtained, and fingerprint contrast processing is performed to second image.
For example, the definition of the corresponding fingerprint image got in varied situations with a finger of fingerprint recognition module
It is probably different.It can influence the extraction of fingerprint feature point if definition is relatively low, therefore by the first image and fingerprint template
Before carrying out contrast processing, the definition of the first image is first determined, if the definition of the first image is more than or equal to the 3rd threshold value,
Step S103 is directly performed, if it is not, being then first modified processing to the first image, the second image is obtained, then performs step again
S103.Wherein, image correction processing can use the methods of image enhaucament, image restoration, gray scale stretching or image denoising, this
Invention is not construed as limiting.
Optionally, as shown in Fig. 2 above step S103 embodiment has：
S103-1, terminal device extraction described first image general characteristic, and by the general characteristic and the end
The general characteristic for the fingerprint template that end equipment prestores is contrasted；
If the phase knowledge and magnanimity of S103-2, the general characteristic and the general characteristic of the fingerprint template are more than or equal to the 4th threshold
The local feature of value, then terminal device extraction described first image, and by the local feature and the fingerprint template
Local feature contrasted；
If the similarity of the local feature and the local feature of the fingerprint template is more than or equal to the 5th threshold value, really
The result for recognizing the fingerprint contrast processing is matching.
Wherein, fingerprint characteristic data includes general characteristic and local feature, wherein, general characteristic includes basic grain pattern
Ring-like (loop), arcuate (arch), screw type (whorl).Local feature refers to the node on fingerprint.Two pieces of fingerprints often have
There are identical general characteristic, but their local feature -- node, but can not possibly identical node (Minutia Points)
Fingerprint lines be not it is continuous, smooth straight, but often occur interrupting, bifurcated or discounting.These breakpoints, bifurcation and
Turning point is known as " node ".It is exactly the confirmation that these nodes provide fingerprint uniqueness.Node on fingerprint has four kinds
Different qualities：1st, destination node (Ending) -- a lines terminates herein；2nd, bifurcation (Bifurcation)：One lines exists
This is broken up into the lines of two or more；3rd, ramification point (Ridge Divergence)：Two parallel lines separate herein；
4th, isolated point (Dot or Island)：One especially short lines, so that as a bit；5th, circling point (Enclosure)：One
Bar lines is broken up into after two, has merging to turn into one immediately, the small ring so formed is referred to as circling point.Fingerprint characteristic
Data can also include：Short grain (Short Ridge)：One end is shorter but is unlikely to turn into the lines of a bit；Direction
(Orientation)：Node can be towards certain direction；Curvature (Curvature) -- the speed that description ridge orientation changes；
Position (Position)：The position of node is described by (x, y) coordinate, can be absolute or relative to triangle
Point or the identification of characteristic point inductance type.
For example, in order to further reduce the power consumption of terminal device, in fingerprint comparison process, terminal device can be carried first
The general characteristic (not extracting local feature) of the first image is taken, matches (two in the general characteristic of general characteristic and fingerprint template
Person's phase knowledge and magnanimity are more than or equal to the 4th threshold value, the 4th threshold value for example equal to 70%, 80%, 85%, 90% or other values) when,
The local feature of the first image is extracted again and carries out local feature contrast, and if, it is not directly to confirm fingerprint comparing result
Match somebody with somebody.If the part of the local feature of the first image and fingerprint template match (the two phase knowledge and magnanimity is more than or equal to the 5th threshold value,
Five threshold values for example equal to 70%, 80%, 85%, 90% or other values), then confirm fingerprint comparing result for matching.It can be seen that refer to
Line comparison process is first extracted general characteristic and matched, and is matched when general characteristic matches in extraction local feature, this
Kind way, can avoid the fingerprint image because of input from not being the fingerprint image of user, and carry out fingerprint matching processing, Jin Erzeng
The power consumption of terminal device is added.
Optionally, as shown in figure 3, above step S104 embodiment has：
S104-1, terminal device determine whether there is the application associated with described first image.
If S104-2, in the presence of the application associated with described first image, the terminal device load and show with it is described
The default interface of the application of first image association.
If S104-3, in the absence of the application associated with described first image, the terminal device is loaded and shown described
The system desktop of terminal device.
For example, in order that user can be directly entered the application interface that user wants to open, terminal after unlocking screen
Equipment can determine whether the application associated with the first image, if in the presence of the application associated with the first image, terminal device directly adds
The default interface of the application associated with the first image is carried and shows, default interface can be that user is pre-set, can also
It is that terminal device selects according to the usage record of user, the present invention is not construed as limiting, if should in the absence of what is associated with the first image
The system desktop of simultaneously display terminal is loaded directly into terminal device, further improves Consumer's Experience.Other above step
S104-1 can be concurrently respectively processed with above step S103, can further save the unlocked time of terminal device.
It can be seen that in the embodiment of the present invention, when obtaining the first image, the MCU for first passing through fingerprint recognition module determines first
Whether image is fingerprint image, and after judging the first image for fingerprint image, the CPU for restarting terminal device performs fingerprint contrast
Processing, it is seen then that before the first image for not determining to get is fingerprint image, the MCU for first passing through fingerprint recognition module is carried out
Fingerprint image judges, without starting the CPU processing of terminal device, and then can reduce the power consumption of terminal device.
The embodiment of the present invention additionally provides another more detailed method flow, as shown in figure 4, including：
S401, when detecting user to the touch-control pressing operation of the fingerprint recognition module of terminal device, terminal device obtains
Take the first image.
S402, the terminal device determine the area of described first image by the MCU of the fingerprint recognition module.
S403, the terminal device determine whether the area of described first image is more than or equal to first threshold.
If so, then perform step S404.
If it is not, then confirm that described first image is not fingerprint image, does not make any operation now.
S404, the terminal device obtain M bottom data of generation described first image, and the M is whole more than 1
Number.
S405, the terminal device determine that the quantity of the bottom data in preset range in the M bottom data is big
In or equal to Second Threshold.
If so, then perform step S406.
If it is not, then confirm that described first image is not fingerprint image, does not make any operation now.
S406, the terminal device determine the definition of described first image.
S407, the terminal device determine whether the definition of described first image is more than or equal to the 3rd threshold value.
If so, then perform step S409.
If it is not, then perform step S408.
S408, the terminal device are modified processing to described first image, obtain the second image.Execution of step
S408 performs step S409.
S409, the terminal device extraction described first image general characteristic, and by the general characteristic with it is described
The general characteristic for the fingerprint template that terminal device prestores is contrasted.
If the phase knowledge and magnanimity of the general characteristic and the general characteristic of the fingerprint template are more than or equal to the 4th threshold value, hold
Row step S410.
If the phase knowledge and magnanimity of the general characteristic and the general characteristic of the fingerprint template are less than the 4th threshold value, do not make any
Operation.
S410, the terminal device extraction described first image local feature, and by the local feature with it is described
The local feature of fingerprint template is contrasted.
If the similarity of the local feature and the local feature of the fingerprint template is more than or equal to the 5th threshold value, institute
State terminal device and confirm that the result of the fingerprint contrast processing is matching, perform step S411.
If the similarity of the local feature and the local feature of the fingerprint template is less than the 5th threshold value, described
Terminal device confirms that the result of the fingerprint contrast processing to mismatch, does not make any operation.
S411, the terminal device determine whether there is the application associated with described first image.
If so, then perform step S412.
If it is not, then perform step S413.
S412, the terminal device load and shown the default interface of the application associated with described first image.
S412, the terminal device load and show the system desktop of the terminal device.
It should be noted that because perform that above step S408 obtains is the second image, then step S409- steps
The first image in S410 is the second image.The specific implementation process of each step of method shown in other Fig. 4 can be found in
The specific implementation process described in method is stated, is no longer described herein.
The embodiment of the present invention additionally provides a kind of terminal device 500, as shown in figure 5, including：
Image collection module 501, detect that user presses behaviour to the touch-control of the fingerprint recognition module of terminal device for working as
When making, the first image is obtained；
Image determining module 502, for determining that described image obtains by the micro-control unit MCU of the fingerprint recognition module
Whether the described first image that modulus block is got is fingerprint image；
Fingerprint contrast module 503 is right if determining that described first image is fingerprint image for described image determining module
Described first image performs fingerprint contrast processing；
Unlocked state 504, if for detecting that the result of the fingerprint contrast processing is matching, unlock the terminal and set
It is standby.
Optionally, image determining module 502 includes：
Area determining module 5021, for determining the area of described first image by the MCU of the fingerprint recognition module；
If the area of described first image is less than first threshold, described image determining module 502 confirms first figure
As being not fingerprint image.
Optionally, image determining module 502 also includes：
Data acquisition module 5022, if the area for being additionally operable to described first image is more than or equal to the first threshold, obtain
M bottom data of generation described first image is taken, the M is the integer more than 1；
If the quantity of the bottom data in preset range is more than or equal to Second Threshold in the M bottom data,
Confirmation described first image is fingerprint image；
If the quantity of the bottom data in the preset range is less than the Second Threshold in the M bottom data,
Then confirm that described first image is not fingerprint image.
Optionally, before fingerprint contrast module 503 performs fingerprint contrast processing to described first image, the terminal is set
It is standby also to include：
Definition determining module 505, for determining the definition of described first image；
If the definition of described first image is more than or equal to the 3rd threshold value, the fingerprint contrast module 503 is used for pair
Described first image performs fingerprint contrast processing；
If the definition of described first image is less than the 3rd threshold value, the fingerprint contrast module 503 is specifically used for
Processing is modified to described first image, obtains the second image, and fingerprint contrast processing is performed to second image.
Optionally, fingerprint contrast module 503 is specifically used for：
Extract the general characteristic of described first image, and the fingerprint that the general characteristic and the terminal device are prestored
The general characteristic of template is contrasted；
If the similarity of the general characteristic and the general characteristic of the fingerprint template is more than or equal to the 4th threshold value, carry
The local feature of described first image is taken, and the local feature of the local feature and the fingerprint template is contrasted；
If the similarity of the local feature and the local feature of the fingerprint template is more than or equal to the 5th threshold value, really
The result for recognizing the fingerprint contrast processing is matching.
Optionally, unlocked state 504 is specifically used for：
Determine whether there is the application associated with described first image；
If in the presence of the application associated with described first image, the application that is associated with described first image is loaded and shown
Default interface；
If in the absence of the application associated with described first image, load and show the system desktop of the terminal device.
It should be noted that above-mentioned each module (image collection module 501, image determining module 502, fingerprint contrast module
503rd, unlocked state 504, area determining module 5021, data acquisition module 5022 and definition determining module 505) it is used to hold
The correlation step of the above-mentioned Fig. 1-Fig. 4 methods describeds of row.
In the present embodiment, terminal device 500 is to present in modular form.Here " module " can refer to specific answer
With integrated circuit (application-specific integrated circuit, ASIC), perform one or more softwares or
The processor and memory of firmware program, integrated logic circuit, and/or other can provide the device of above-mentioned function.In addition, with
Epigraph determining module 502, fingerprint contrast module 503, unlocked state 504, area determining module 5021, data acquisition module
5022 and definition determining module 505 can realize that images above obtains by the processor 601 of the terminal device shown in Fig. 6
Modulus block 501 can be realized by the fingerprint recognition module 604 of the terminal device shown in Fig. 6.
As shown in fig. 6, terminal device 600 can realize that the terminal device 600 includes at least one with the structure in Fig. 6
Individual processor 601, at least one memory 602, at least one communication interface 603, fingerprint recognition module 604.The processor
601st, the memory 602, the fingerprint recognition module 604 are connected simultaneously with the communication interface 603 by the communication bus
Complete mutual communication.
Processor 601 can be general central processor (CPU), microprocessor, ASIC
(application-specific integrated circuit, ASIC), or it is one or more for controlling above scheme journey
The integrated circuit that sequence performs.
Communication interface 603, for other equipment or communication, such as Ethernet, wireless access network (RAN), nothing
Line LAN (Wireless Local Area Networks, WLAN) etc..
Memory 602 can be read-only storage (read-only memory, ROM) or can store static information and instruction
Other kinds of static storage device, random access memory (random access memory, RAM) or letter can be stored
Breath and other kinds of dynamic memory or the EEPROM (Electrically of instruction
Erasable Programmable Read-Only Memory, EEPROM), read-only optical disc (Compact Disc Read-
Only Memory, CD-ROM) or other optical disc storages, laser disc storage (including compression laser disc, laser disc, laser disc, digital universal
Laser disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store with referring to
The desired program code of order or data structure form simultaneously can be by any other medium of computer access, but not limited to this.
Memory can be individually present, and be connected by bus with processor.Memory can also integrate with processor.
Wherein, the memory 602 be used for store perform above scheme application code, and by processor 601
Control performs.The processor 601 is used to perform the application code stored in the memory 602.
The code that memory 602 stores can perform the fingerprint template for Fig. 1-Fig. 4 that terminal device provided above performs more
New method, for example when detecting user to the touch-control pressing operation of the fingerprint recognition module of terminal device, obtain the first image；
Determine whether described first image is fingerprint image by the micro-control unit MCU of the fingerprint recognition module；If described first
Image is fingerprint image, then fingerprint contrast processing is performed to described first image；If detect the knot of the fingerprint contrast processing
Fruit is matching, then unlocks the terminal device.
The embodiment of the present invention additionally provides a more specifically application scenarios, as follows：Above-mentioned terminal device is mobile phone, under
Each component parts of mobile phone is specifically introduced with reference to Fig. 7 in face：
RF circuits 710 can be used for receive and send messages or communication process in, the reception and transmission of signal, especially, by base station
After downlink information receives, handled to processor 780；In addition, it is sent to base station by up data are designed.Generally, RF circuits 710
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (Low Noise
Amplifier, LNA), duplexer etc..In addition, RF circuits 710 can also be communicated by radio communication with network and other equipment.
Above-mentioned radio communication can use any communication standard or agreement, including but not limited to global system for mobile communications (Global
System of Mobile communication, GSM), general packet radio service (General Packet Radio
Service, GPRS), CDMA (Code Division Multiple Access, CDMA), WCDMA
(Wideband Code Division Multiple Access, WCDMA), Long Term Evolution (Long Term Evolution,
LTE), Email, Short Message Service (Short Messaging Service, SMS) etc..
Memory 720 can be used for storage software program and module, and processor 780 is stored in memory 720 by operation
Software program and module, so as to perform the various function application of mobile phone and data processing.Memory 720 can mainly include
Storing program area and storage data field, wherein, storing program area can storage program area, the application journey needed at least one function
Sequence (such as image-acquisition functions, image adjudicatory function, fingerprint comparing function, unlocking function etc.) etc.；Storage data field can deposit
Storage uses created data (such as the feature after the generation bottom data of image, image analysis, fingerprint template according to mobile phone
Feature after parsing) etc..In addition, memory 720 can include high-speed random access memory, non-volatile deposit can also be included
Reservoir, for example, at least a disk memory, flush memory device or other volatile solid-state parts.
Input block 730 can be used for the numeral or character information for receiving input, and produce with the user of mobile phone set with
And the key signals input that function control is relevant.Specifically, input block 730 may include contact panel 731, other input equipments
732 and fingerprint recognition module 733.Contact panel 731, also referred to as touch-screen, collect touch of the user on or near it
Operation (for example user uses any suitable objects or annex such as finger, stylus on contact panel 731 or in contact panel
Operation near 731), and corresponding attachment means are driven according to formula set in advance.Optionally, contact panel 731 can wrap
Include both touch detecting apparatus and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect
The signal that touch operation is brought, transmits a signal to touch controller；Touch controller receives touch from touch detecting apparatus
Information, and be converted into contact coordinate, then give processor 780, and the order sent of reception processing device 770 and can be held
OK.Furthermore, it is possible to contact panel 731 is realized using polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves.Remove
Contact panel 731, input block 730 can also include other input equipments 732.Specifically, other input equipments 732 can be with
Including but not limited to physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc.
At least one of.Fingerprint recognition module 733 can combine terminal device dome keys set, also can combination of touch control panel 731 set
Put.For example fingerprint recognition module 733 is arranged at the lower section of contact panel 731, when the finger of user presses application icon, it is placed in tactile
The fingerprint recognition module 733 of the lower section of control panel 731 can collect the finger print data of the finger of user.
Display unit 740 can be used for display by user input information or be supplied to user information and mobile phone it is various
Menu.Display unit 740 may include display panel 741, optionally, can use liquid crystal display (Liquid Crystal
Display, LCD), the form such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) it is aobvious to configure
Show panel 741.Further, contact panel 731 can cover display panel 741, when contact panel 731 is detected thereon or attached
After near touch operation, processor 770 is sent to determine the type of touch event, is followed by subsequent processing device 780 according to touch event
Type corresponding visual output is provided on display panel 741.Although in the figure 7, contact panel 731 and display panel 741
It is the part independent as two to realize the input of mobile phone and input function, but in some embodiments it is possible to by touch-control
Panel 731 is integrated with display panel 741 and realizes input and the output function of mobile phone.
Mobile phone may also include at least one sensor 750, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor may include ambient light sensor and proximity transducer, wherein, ambient light sensor can be according to ambient light
Light and shade adjust the brightness of display panel 741, proximity transducer can close display panel 741 when mobile phone is moved in one's ear
And/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (generally three axles) acceleration
Size, size and the direction of gravity are can detect that when static, (for example horizontal/vertical screen is cut available for the application of identification mobile phone posture
Change, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；May be used also as mobile phone
The other sensors such as the gyroscope of configuration, barometer, hygrometer, thermometer, infrared ray sensor, will not be repeated here.
Voicefrequency circuit 760, loudspeaker 761, microphone 762 can provide the COBBAIF between user and mobile phone.Audio-frequency electric
Electric signal after the voice data received conversion can be transferred to loudspeaker 761, sound is converted to by loudspeaker 761 by road 760
Signal output；On the other hand, the voice signal of collection is converted to electric signal by microphone 762, is turned after being received by voicefrequency circuit 760
Voice data is changed to, then after voice data output processor 770 is handled, through RF circuits 710 to be sent to such as another mobile phone,
Or voice data is exported to memory 720 further to handle.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronicses postal by WiFi module 770
Part, browse webpage and access streaming video etc., it has provided the user wireless broadband internet and accessed.Although Fig. 7 is shown
WiFi module 770, but it is understood that, it is simultaneously not belonging to must be configured into for mobile phone, can not change as needed completely
Become in the essential scope of invention and omit.
Processor 780 is the control centre of mobile phone, using various interfaces and the various pieces of connection whole mobile phone, is led to
Cross operation or perform the software program and/or module being stored in memory 720, and call and be stored in memory 720
Data, the various functions and processing data of mobile phone are performed, so as to carry out integral monitoring to mobile phone.Optionally, processor 780 can wrap
Include one or more processing units；Preferably, processor 780 can integrate application processor and modem processor, wherein, should
Operating system, user interface and application program etc. are mainly handled with processor, modem processor mainly handles radio communication.
It is understood that above-mentioned modem processor can not also be integrated into processor 780.
Mobile phone also includes the power supply 760 (such as battery) to all parts power supply, it is preferred that power supply can pass through power supply pipe
Reason system and processor 780 are logically contiguous, so as to realize management charging, electric discharge and power managed by power-supply management system
Etc. function.
Although being not shown, mobile phone can also include camera, bluetooth module etc., will not be repeated here.
In previous embodiment, each step method flow can based on the terminal device shown in Fig. 7 structure realize.
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, the part or all of step of any solution lock control method described in above method embodiment is included when the program performs
Suddenly.
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some steps can use other orders or carry out simultaneously.Secondly, those skilled in the art should also know
Know, embodiment described in this description belongs to preferred embodiment, and involved action and module are not necessarily of the invention
It is necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed device, can be by another way
Realize.For example, device embodiment described above is only schematical, such as the division of the unit, it is only one kind
Division of logic function, can there is an other dividing mode when actually realizing, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.Another, shown or discussed is mutual
Coupling direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit,
Can be electrical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer-readable access to memory.Based on such understanding, technical scheme substantially or
Person say the part to be contributed to prior art or the technical scheme all or part can in the form of software product body
Reveal and, the computer software product is stored in a memory, including some instructions are causing a computer equipment
(can be personal computer, server or network equipment etc.) performs all or part of each embodiment methods described of the present invention
Step.And foregoing memory includes：USB flash disk, read-only storage (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with the medium of store program codes.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
To instruct the hardware of correlation to complete by program, the program can be stored in a computer-readable memory, memory
It can include：Flash disk, read-only storage (English：Read-Only Memory, referred to as：ROM), random access device (English：
Random Access Memory, referred to as：RAM), disk or CD etc..
The embodiment of the present invention is described in detail above, specific case used herein to the principle of the present invention and
Embodiment is set forth, and the explanation of above example is only intended to help the method and its core concept for understanding the present invention；
Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, can in specific embodiments and applications
There is change part, to sum up above-mentioned, this specification content should not be construed as limiting the invention.
Claims (9)
1. one kind solution lock control method, it is characterised in that including：
When detecting user to the touch-control pressing operation of the fingerprint recognition module of terminal device, the first image is obtained；
Determine whether described first image is fingerprint image by the micro-control unit MCU of the fingerprint recognition module；It is described logical
The micro-control unit MCU for crossing the fingerprint recognition module determines whether described first image is fingerprint image, including：By described
The MCU of fingerprint recognition module determines the area of described first image；If the area of described first image is less than first threshold, really
It is not fingerprint image to recognize described first image；If the area of described first image is more than or equal to the first threshold, obtain
M bottom data of described first image is generated, the M is the integer more than 1；If in default in the M bottom data
The quantity of the bottom data of scope is more than or equal to Second Threshold, then confirms that described first image is fingerprint image；If the M
The quantity of the bottom data in the preset range is less than the Second Threshold in bottom data, then confirms described first image
It is not fingerprint image；
If described first image is fingerprint image, the terminal device starts processor and performs fingerprint pair to described first image
Than processing；
If the result for detecting the fingerprint contrast processing is matching, the terminal device is unlocked；
If described first image is not fingerprint image, the terminal device does not start the operation of computing device unlocked by fingerprint.
2. according to the method for claim 1, it is characterised in that described that processing is contrasted to described first image execution fingerprint
Before, methods described also includes：
Determine the definition of described first image；
If the definition of described first image is more than or equal to the 3rd threshold value, described first image is performed at fingerprint contrast
Reason；
If the definition of described first image is less than the 3rd threshold value, described that described first image is performed at fingerprint contrast
Reason, including：Processing is modified to described first image, obtains the second image, and fingerprint pair is performed to second image
Than processing.
3. according to the method described in claim any one of 1-2, it is characterised in that described to perform fingerprint pair to described first image
Than processing, including：
Extract the general characteristic of described first image, and the fingerprint template that the general characteristic and the terminal device are prestored
General characteristic contrasted；
If the similarity of the general characteristic and the general characteristic of the fingerprint template is more than or equal to the 4th threshold value, institute is extracted
The local feature of the first image is stated, and the local feature of the local feature and the fingerprint template is contrasted；
If the similarity of the local feature and the local feature of the fingerprint template is more than or equal to the 5th threshold value, institute is confirmed
The result for stating fingerprint contrast processing is matching.
4. according to the method described in claim any one of 1-2, it is characterised in that the unblock terminal device, including：
Determine whether there is the application associated with described first image；
If in the presence of the application associated with described first image, the default of the application that is associated with described first image is loaded and shown
Interface；
If in the absence of the application associated with described first image, load and show the system desktop of the terminal device.
A kind of 5. terminal device, it is characterised in that including：
Image collection module, for when detecting user to the touch-control pressing operation of the fingerprint recognition module of terminal device, obtaining
Take the first image；
Image determining module, for determining described image acquisition module by the micro-control unit MCU of the fingerprint recognition module
Whether the described first image got is fingerprint image；
Fingerprint contrast module, if determining that described first image is fingerprint image for described image determining module, to described
One image performs fingerprint contrast processing；If described image determining module determines that described first image is not fingerprint image, not right
Described first image performs fingerprint contrast processing；
Unlocked state, if for detecting that the result of the fingerprint contrast processing is matching, unlock the terminal device；
Described image determining module includes：
Area determining module, for determining the area of described first image by the MCU of the fingerprint recognition module；
If the area of described first image is less than first threshold, it is not finger that described image determining module, which confirms described first image,
Print image；
Data acquisition module, if the area for being additionally operable to described first image is more than or equal to the first threshold, obtain generation institute
M bottom data of the first image is stated, the M is the integer more than 1；
If the quantity of the bottom data in preset range is more than or equal to Second Threshold in the M bottom data, confirm
Described first image is fingerprint image；
If the quantity of the bottom data in the preset range is less than the Second Threshold in the M bottom data, really
It is not fingerprint image to recognize described first image.
6. terminal device according to claim 5, it is characterised in that the terminal device also includes：
Definition determining module, for determining the definition of described first image；
If the definition of described first image is more than or equal to the 3rd threshold value, the fingerprint contrast module is used for described first
Image performs fingerprint contrast processing；
If the definition of described first image is less than the 3rd threshold value, the fingerprint contrast module is specifically used for described the
One image is modified processing, obtains the second image, and fingerprint contrast processing is performed to second image.
7. according to the terminal device described in claim any one of 5-6, it is characterised in that the fingerprint contrast module is specifically used
In：
Extract the general characteristic of described first image, and the fingerprint template that the general characteristic and the terminal device are prestored
General characteristic contrasted；
If the similarity of the general characteristic and the general characteristic of the fingerprint template is more than or equal to the 4th threshold value, institute is extracted
The local feature of the first image is stated, and the local feature of the local feature and the fingerprint template is contrasted；
If the similarity of the local feature and the local feature of the fingerprint template is more than or equal to the 5th threshold value, institute is confirmed
The result for stating fingerprint contrast processing is matching.
8. terminal device according to claim 7, it is characterised in that the unlocked state is specifically used for：
Determine whether there is the application associated with described first image；
If in the presence of the application associated with described first image, the default of the application that is associated with described first image is loaded and shown
Interface；
If in the absence of the application associated with described first image, load and show the system desktop of the terminal device.
A kind of 9. terminal device, it is characterised in that including：
It is stored with the memory of executable program code；
The processor coupled with the memory；
For gathering the fingerprint recognition module of fingerprint image；
The processor calls the executable program code stored in the memory, performs as Claims 1-4 is any
Method described in.
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| CN106774803B (en) * | 2016-12-12 | 2021-02-09 | 北京小米移动软件有限公司 | Fingerprint identification method and device |
| WO2018195923A1 (en) * | 2017-04-28 | 2018-11-01 | 广东欧珀移动通信有限公司 | Unlocking control method and related product |
| WO2018195920A1 (en) * | 2017-04-28 | 2018-11-01 | 广东欧珀移动通信有限公司 | Unlocking control method and related product |
| CN107153781A (en) * | 2017-04-28 | 2017-09-12 | 广东欧珀移动通信有限公司 | Solve lock control method and Related product |
| CN107239737A (en) * | 2017-05-03 | 2017-10-10 | 广东欧珀移动通信有限公司 | A kind of optical finger print recognition methods and Related product |
| CN109063623B (en) * | 2018-07-26 | 2021-12-14 | 努比亚技术有限公司 | Fingerprint identification method, equipment and computer storage medium |
| CN109144228A (en) * | 2018-10-31 | 2019-01-04 | 维沃移动通信有限公司 | A kind of fingerprint identification method and mobile terminal |
| CN110848945B (en) * | 2019-11-28 | 2021-07-27 | 深圳市致行科技有限公司 | Application system for air conditioner fresh air control |
| CN113129482A (en) * | 2019-12-31 | 2021-07-16 | 广州海英智慧家居科技有限公司 | Fingerprint lock identification method |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. |