CN107392154B - Finger prints processing method, apparatus and terminal device - Google Patents
Finger prints processing method, apparatus and terminal device Download PDFInfo
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- CN107392154B CN107392154B CN201710610578.2A CN201710610578A CN107392154B CN 107392154 B CN107392154 B CN 107392154B CN 201710610578 A CN201710610578 A CN 201710610578A CN 107392154 B CN107392154 B CN 107392154B
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- finger print
- current finger
- print template
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
Abstract
The present invention is suitable for field of information security technology, provides finger prints processing method, apparatus and terminal device, comprising: obtains the first fingerprint, the current finger print template for the first fingerprint deposit memory that will acquire；The current finger print template is stored in file system, system fingerprint template is obtained, and back up the system fingerprint template, obtains the first backup fingerprint template；Detect whether to receive designated order, the designated order includes: unlock instruction after booting, fingerprint typing instruction；After receiving designated order, whether detection current finger print template is abnormal, and the current finger print template is the system fingerprint template being stored in memory from the file system；In current finger print template exception, the first backup fingerprint template is stored in memory from the file system, and replace the current finger print template.The number that user re-types fingerprint can be effectively reduced by the above method.
Description
Technical field
The invention belongs to field of information security technology more particularly to finger prints processing method, apparatus and terminal devices.
Background technique
Currently, terminal device is usually combined with the fingerprint of user, so as to quickly and safely realize corresponding function
Can, for example, it is assumed that the fingerprint of user is combined with unlocking function, then can be fast implemented by the fingerprint of user to the terminal
The unlock of equipment；Assuming that the fingerprint of user is combined with payment function, then can be fast implemented accordingly by the fingerprint of user
Payment function.
Before the fingerprint using user, need in the fingerprint typing terminal device by corresponding user.Existing fingerprint
In input method, after obtaining fingerprint, which is stored in fingerprint template, in this way, can judge input according to the fingerprint template
The fingerprint matching whether fingerprint stores with the fingerprint template determines that the corresponding user of fingerprint of input is legal use if matching
Family.But in this method, once fingerprint template is abnormal, then fingerprint matching function will can not achieve, and then cause and fingerprint phase
The function of pass can not achieve.
Therefore, it is desirable to provide the new method of one kind is to solve the above technical problems.
Summary of the invention
In view of this, the embodiment of the invention provides finger prints processing method, apparatus and terminal device, to solve the prior art
Once fingerprint template is abnormal in, will lead to the problem of function relevant to fingerprint can not achieve.
The first aspect of the embodiment of the present invention provides a kind of finger prints processing method, comprising:
The first fingerprint is obtained, the current finger print template for the first fingerprint deposit memory that will acquire；
The current finger print template is stored in file system, obtains system fingerprint template, and back up the system fingerprint
Template obtains the first backup fingerprint template；
Detect whether to receive designated order, the designated order includes: that unlock instruction after booting, fingerprint typing refer to
It enables；
After receiving designated order, whether detection current finger print template is abnormal, and the current finger print template is from described
File system is stored in the system fingerprint template in memory；
In current finger print template exception, the first backup fingerprint template is stored in memory from the file system,
And replace the current finger print template.
The second aspect of the embodiment of the present invention provides a kind of finger prints processing device, comprising:
First fingerprint acquiring unit, for obtaining the first fingerprint, the current finger print for the first fingerprint deposit memory that will acquire
Template；
First backup fingerprint template generation unit, for being by current finger print template deposit file system
System fingerprint template, and the system fingerprint template is backed up, obtain the first backup fingerprint template；
Designated order detection unit, for detecting whether receiving designated order, the designated order includes: after being switched on
Unlock instruction, fingerprint typing instruction；
First current finger print template abnormal deciding means, for detecting current finger print template after receiving designated order
Whether abnormal, the current finger print template is the system fingerprint template being stored in memory from the file system；
First current finger print template replacement unit is used in current finger print template exception, by the first backup fingerprint
Template is stored in memory from the file system, and replaces the current finger print template.
The third aspect of the embodiment of the present invention provides a kind of terminal device, including memory, processor and is stored in
In the memory and the computer program that can run on the processor, when the processor executes the computer program
It realizes such as the step of any one of finger prints processing method the method.
The fourth aspect of the embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable storage
Media storage has computer program, realizes as described in finger prints processing any one of method when the computer program is executed by processor
The step of method.
Existing beneficial effect is the embodiment of the present invention compared with prior art:
Since after receiving designated order, whether detection current finger print template is abnormal, if abnormal, the first backup is referred to
Line template is extracted in memory from file system, and replaces abnormal current finger print template, and the first backup fingerprint template is deposited
The information of storage be be abnormal before the storage of current finger print template information be it is identical, therefore, first can be backed up by this
Fingerprint template realizes subsequent fingerprint matching, to avoid just user being needed to re-type when current finger print template is abnormal
Fingerprint reduces user's operation, improves user experience.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of flow chart for finger prints processing method that the embodiment of the present invention one provides；
Fig. 2 is a kind of structural schematic diagram for mobile terminal that the embodiment of the present invention one provides；
Fig. 3 is a kind of structural schematic diagram of finger prints processing device provided by Embodiment 2 of the present invention；
Fig. 4 is the schematic diagram for the terminal device that the embodiment of the present invention three provides.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Embodiment one:
Fig. 1 shows the flow chart that the present invention first implements a kind of finger prints processing method of offer, it is noted that this
" the first fingerprint " in embodiment, " the first backup fingerprint template ", " the second fingerprint ", " in " the second backup fingerprint template "
One ", " second " is only used for distinguishing different fingerprints, backup fingerprint template there is no physical meaning.Details are as follows:
Step S11 obtains the first fingerprint, the current finger print template for the first fingerprint deposit memory that will acquire.
Specifically, when user is after terminal device issues fingerprint typing instruction, user presses the specific bit of the terminal device
It sets, at this point, the terminal device will acquire the first fingerprint, specially obtains the corresponding image information of the first fingerprint, then will acquire
Image information deposit memory current finger print template.
Specifically, when terminal device is mobile terminal, the schematic diagram of the mobile terminal is somebody's turn to do as shown in Fig. 2, in Fig. 2
Mobile terminal includes memory 201, processor 202, input equipment 203, output equipment 204, bus 205.
The current finger print template is stored in file system by step S12, obtains system fingerprint template, and described in backup
System fingerprint template obtains the first backup fingerprint template.
Since the memory of terminal device cannot save corresponding information for a long time, first is stored in current finger print template
After fingerprint success, which is stored in the file system of the terminal device, so as to save the current finger for a long time
Line template, in order to distinguish, the current finger print template for being stored in file system is named as system fingerprint template.Back up the system fingerprint mould
Plate obtains the first backup fingerprint template, i.e., in file system, there are system fingerprint template and the first backup fingerprint template, this
The content of two fingerprint templates storage is identical.
Optionally, after the step S12, comprising:
A1, the second fingerprint is obtained, the second fingerprint that will acquire is stored in the current template.Specifically, if terminal device one
Secondary property can the multiple fingerprints of typing, then after the first fingerprint of typing, continue obtain the second fingerprint, and by second fingerprint be stored in memory
In current template, i.e., after the first fingerprint of typing and the second fingerprint, current template stores the first fingerprint and the second fingerprint two
A fingerprint, certainly, if the fingerprint number of terminal device typing is greater than 2, the fingerprint number of current template storage is also greater than 2.
It should be pointed out that the first fingerprint and the second fingerprint here can correspond to identical user, different users can also be corresponded to,
For example, it is assumed that the corresponding user of the first fingerprint is user A, then the corresponding user of the second fingerprint can be user A, or use
Family B.
A2, it is the second backup fingerprint template by the current finger print template backup and is stored in the file system.
A3, the current finger print template is stored in the file system, and replaces original system fingerprint template.Specifically
, if obtaining the second fingerprint again, first will after terminal device has stored the current finger print template comprising fingerprint on ground
Current finger print template backup is the second backup fingerprint template and is stored in file system, then current finger print template is stored in file system
System realizes the standby of current finger print template in such manner, it is possible to which the second backup fingerprint template is stored in file system with most fast speed
Part.
A4, the replaced system fingerprint template of backup, obtain the first new backup fingerprint template, to replace original first
Backup template.Specifically, it will rename that (system refers to for system fingerprint template after current finger print template is stored in file system
The fingerprint number of line template storage is identical as the fingerprint number that current finger print template is stored in), to replace original system fingerprint mould
Plate.
If being pointed out that after obtaining the second fingerprint, terminal device can also continue to obtain third fingerprint, the 4th finger
The fingerprint of the predetermined numbers such as line ..., then its specific implementation procedure is similar with A1~A4's, and difference is third fingerprint, the
The fingerprints such as four fingerprint ... replace the second fingerprint, and details are not described herein again.
Optionally, due to calling the speed of current finger print template to be faster than from file system call current finger print template from memory
Speed, therefore, after step s 12, comprising:
By in the system fingerprint template deposit memory of the file system, current finger print template is obtained.Due to inside
Middle deposit current finger print template is deposited, then can directly extract the finger of the current fingerprint template and acquisition when subsequent match from memory
Line matching, to improve matching speed.It should be pointed out that not deleting the current finger print mould in memory after matching terminates
Plate still retains the current fingerprint template.
Step S13, detects whether to receive designated order, and the designated order includes: unlock instruction after booting, fingerprint
Typing instruction.
Due to being turned back in terminal device and unlocking process needs to import information into memory again and (such as leads current template
Enter memory), alternatively, in the unexpected power down of process or more preparative layers encapsulation chip (also referred to as MCP memory) that save fingerprint template
(Multi-Chip-Package, MCP) all may cause fingerprint template extremely and be damaged, therefore, in order to find in advance
The subsequent fingerprint matching function of whether being able to use terminal device of user, then can detect whether to receive designated order in advance.
Step S14, after receiving designated order, whether detection current finger print template is abnormal, the current finger print template
To be stored in the system fingerprint template in memory from the file system.
After detecting any one instruction in designated order, whether detection current finger print template is abnormal, to realize different
Normal detection in advance, and then improve the efficiency solved the problems, such as.
Optionally, the step S14 includes:
B1, after receiving designated order, detection current finger print template whether deleted, alternatively, detection current finger print mould
Whether the designated character of plate is lost.
B2, it is deleted in current finger print template, alternatively, when the designated character of current finger print template is lost, described in judgement
There is exception in current finger print template, otherwise, it is determined that there is no abnormal for the current finger print template.
In above-mentioned B1 and B2, detects in memory whether there are still current finger print templates, (such as deleted), then sentenced if it does not exist
Settled preceding fingerprint template exists abnormal；Alternatively, the beginning field and/or trailer field due to current finger print template include designated word
Symbol, therefore, can by detect the current fingerprint template beginning field and/or trailer field designated character whether lose or
It is no to be destroyed, if so, it is abnormal to determine that current finger print template exists.
Step S15 deposits the first backup fingerprint template in current finger print template exception from the file system
Enter memory, and replaces the current finger print template.
In the step, if it is determined that the current finger print template in memory has exception out, then first is extracted from file system
Backup fingerprint template, and the first backup fingerprint template of extraction is replaced into the current finger print template in memory.Certainly, if file system
System also has current finger print template, then equally will currently refer in the information alternate file system of the first backup fingerprint template storage
The information of line template storage.
Optionally, after the step S15, comprising:
C1, judge whether the current finger print template is abnormal.
C2, in current finger print template exception, by the second backup fingerprint template from the file system deposit in
It deposits, and replaces the current finger print template.
In above-mentioned C1 and C2, judge whether current finger print template (i.e. the first backup fingerprint template) is abnormal, if still abnormal,
The second backup fingerprint template then is extracted into memory from file system, and replaces the current finger print template in memory.Due to first
Therefore abnormal probability very little all occur in backup fingerprint template and the second backup fingerprint template can be avoided by the above method
Once current finger print damaged template results in the non-serviceable problem of function relevant to fingerprint in terminal device, also, passes through
The above method, even if load current finger print template failure when booting, can also be backed up by the first backup fingerprint template and second
Fingerprint template realizes the automatic recovery of current finger print template, reduces the probability that user needs typing fingerprint again.
Optionally, after step C2, further includes:
Judge whether the current finger print template is abnormal, if abnormal, the fingerprint for prompting user's typing new.Specifically, may be used
By pop-up prompting frame prompt, alternatively, passing through voice prompting.
In first embodiment of the invention, the first fingerprint is obtained, the current finger print mould for the first fingerprint deposit memory that will acquire
The current finger print template is stored in file system, obtains system fingerprint template, and back up the system fingerprint template by plate,
The first backup fingerprint template is obtained, detects whether to receive designated order, the designated order includes: that the unlock after booting refers to
It enables, fingerprint typing instruction, after receiving designated order, whether detection current finger print template is abnormal, the current finger print template
To be stored in the system fingerprint template in memory from the file system, in current finger print template exception, by described first
Backup fingerprint template is stored in memory from the file system, and replaces the current finger print template.Due to receive it is specified
After instruction, whether detection current finger print template abnormal, if abnormal, the first backup fingerprint template is extracted from file system in
In depositing, and replace abnormal current finger print template, and the first backup fingerprint template storage information be be abnormal before
The information of current finger print template storage be it is identical, therefore, the subsequent fingerprint of the first backup fingerprint template realization can be passed through
Match, to avoid just user being needed to re-type fingerprint when current finger print template is abnormal, reduce user's operation, improves
User experience.
Embodiment two:
Corresponding with a kind of finger prints processing method of embodiment one, Fig. 3 shows one kind of second embodiment of the invention offer
The structure chart of finger prints processing device, the finger prints processing device can be applied in terminal device, for ease of description, illustrate only with
The relevant part of the embodiment of the present invention:
The finger prints processing device includes: the first fingerprint acquiring unit 31, the first backup fingerprint template generation unit 32, specifies
Instruction detection unit 33, the first current finger print template abnormal deciding means 34, the first current finger print template replacement unit 35.Its
In:
First fingerprint acquiring unit 31, for obtaining the first fingerprint, the current finger for the first fingerprint deposit memory that will acquire
Line template.
The first fingerprint is obtained, the corresponding image information of the first fingerprint is specially obtained, then the image information that will acquire is deposited
Enter the current finger print template of memory.
First backup fingerprint template generation unit 32 is obtained for the current finger print template to be stored in file system
System fingerprint template, and the system fingerprint template is backed up, obtain the first backup fingerprint template.
Optionally, the finger prints processing device includes:
Second fingerprint acquiring unit, for obtaining the second fingerprint, the second fingerprint that will acquire is stored in the current template.?
After the first fingerprint of typing and the second fingerprint, current template stores two fingerprints of the first fingerprint and the second fingerprint, certainly, if typing
Fingerprint number be greater than 2, then the current template storage fingerprint number also greater than 2.It should be pointed out that the first fingerprint here
Identical user can be corresponded to the second fingerprint, different users can also be corresponded to.
Second backup fingerprint template generation unit, for being the second backup fingerprint template by the current finger print template backup
And it is stored in the file system.
System fingerprint template replacement unit for the current finger print template to be stored in the file system, and is replaced
Original system fingerprint template.
It is standby to obtain new first for backing up replaced system fingerprint template for first backup fingerprint template replacement unit
Part fingerprint template, to replace original first backup template.
If being pointed out that after obtaining the second fingerprint, it is pre- to also continue acquisition third fingerprint, the 4th fingerprint ... etc.
If the fingerprint of number, specific implementation procedure is similar with A1~A4's, and difference is third fingerprint, the 4th fingerprint ... etc.
Fingerprint replaces the second fingerprint, i.e., the described finger prints processing device is in addition to the second fingerprint acquiring unit, the second backup fingerprint template
Except generation unit, system fingerprint template replacement unit, the first backup fingerprint template replacement unit, further includes: third fingerprint obtains
Unit, the 4th fingerprint acquiring unit ... are taken, details are not described herein again.
Optionally, due to calling the speed of current finger print template to be faster than from file system call current finger print template from memory
Speed, therefore, the finger prints processing device further include:
The current finger print template of memory re-generates unit, for the system fingerprint template of the file system to be stored in
In memory, current finger print template is obtained.It should be pointed out that not deleting the current finger print mould in memory after matching terminates
Plate still retains the current fingerprint template.
Designated order detection unit 33, for detecting whether receive designated order, after the designated order includes: booting
Unlock instruction, fingerprint typing instruction.
First current finger print template abnormal deciding means 34, for detecting current finger print mould after receiving designated order
Whether plate is abnormal, and the current finger print template is the system fingerprint template being stored in memory from the file system.
The first current finger print template abnormal deciding means 34 includes:
The information detecting module of current finger print template, for after receiving designated order, detection current finger print template is
It is no to be deleted, alternatively, whether the designated character of detection current finger print template is lost.
Whether abnormal determination module, for being deleted in current finger print template, alternatively, in the designated word of current finger print template
When symbol is lost, it is abnormal to determine that the current finger print template exists, otherwise, it is determined that there is no abnormal for the current finger print template.
Specifically, detect in memory whether there are still current finger print templates, (such as deleted) if it does not exist, then determine current
Fingerprint template exists abnormal；Alternatively, the beginning field and/or trailer field due to current finger print template include designated character, because
This, can by detect the current fingerprint template beginning field and/or trailer field designated character whether lose or whether by
It destroys, if so, it is abnormal to determine that current finger print template exists.
First current finger print template replacement unit 35, in current finger print template exception, first backup to be referred to
Line template is stored in memory from the file system, and replaces the current finger print template.
Optionally, the finger prints processing device includes:
Second current finger print template abnormal deciding means, for judging whether the current finger print template is abnormal.
Second current finger print template replacement unit is used in current finger print template exception, by the second backup fingerprint
Template is stored in memory from the file system, and replaces the current finger print template.
Optionally, the finger prints processing device includes:
New fingerprint typing prompt unit, for judging whether the current finger print template is abnormal, if abnormal, prompts user
The new fingerprint of typing.It specifically, can be by pop-up prompting frame prompt, alternatively, passing through voice prompting.
In second embodiment of the invention, since after receiving designated order, whether detection current finger print template is abnormal, if
It is abnormal, then the first backup fingerprint template is extracted in memory from file system, and replace abnormal current finger print template, and be somebody's turn to do
First backup fingerprint template storage information be be abnormal before current finger print template storage information be it is identical, because
This, can realize subsequent fingerprint matching by the first backup fingerprint template, to be avoided being abnormal in current finger print template
When just user is needed to re-type fingerprint, reduce user's operation, improve user experience.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit
It is fixed.
Embodiment three:
Fig. 4 is the schematic diagram for the terminal device that one embodiment of the invention provides.As shown in figure 4, the terminal of the embodiment is set
Standby 4 include: processor 40, memory 41 and are stored in the meter that can be run in the memory 41 and on the processor 40
Calculation machine program 42.The processor 40 is realized when executing the computer program 42 in above-mentioned each finger prints processing embodiment of the method
The step of, such as step S11 to S15 shown in FIG. 1.Alternatively, realization when the processor 40 executes the computer program 42
The function of each module/unit in above-mentioned each Installation practice, such as the function of module 31 to 35 shown in Fig. 3.
Illustratively, the computer program 42 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 41, and are executed by the processor 40, to complete the present invention.Described one
A or multiple module/units can be the series of computation machine program instruction section that can complete specific function, which is used for
Implementation procedure of the computer program 42 in the terminal device 4 is described.For example, the computer program 42 can be divided
It is cut into the first fingerprint acquiring unit, the first backup fingerprint template generation unit, designated order detection unit, the first current finger print mould
Plate abnormal deciding means, the first current finger print template replacement unit, each unit concrete function are as follows:
First fingerprint acquiring unit, for obtaining the first fingerprint, the current finger print for the first fingerprint deposit memory that will acquire
Template；
First backup fingerprint template generation unit, for being by current finger print template deposit file system
System fingerprint template, and the system fingerprint template is backed up, obtain the first backup fingerprint template；
Designated order detection unit, for detecting whether receiving designated order, the designated order includes: after being switched on
Unlock instruction, fingerprint typing instruction；
First current finger print template abnormal deciding means, for detecting current finger print template after receiving designated order
Whether abnormal, the current finger print template is the system fingerprint template being stored in memory from the file system；
First current finger print template replacement unit is used in current finger print template exception, by the first backup fingerprint
Template is stored in memory from the file system, and replaces the current finger print template.
The terminal device 4 can be the calculating such as desktop PC, notebook, palm PC and cloud server and set
It is standby.The terminal device may include, but be not limited only to, processor 40, memory 41.It will be understood by those skilled in the art that Fig. 4
The only example of terminal device 4 does not constitute the restriction to terminal device 4, may include than illustrating more or fewer portions
Part perhaps combines certain components or different components, such as the terminal device can also include input-output equipment, net
Network access device, bus etc..
Alleged processor 40 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 41 can be the internal storage unit of the terminal device 4, such as the hard disk or interior of terminal device 4
It deposits.The memory 41 is also possible to the External memory equipment of the terminal device 4, such as be equipped on the terminal device 4
Plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card dodge
Deposit card (Flash Card) etc..Further, the memory 41 can also both include the storage inside list of the terminal device 4
Member also includes External memory equipment.The memory 41 is for storing needed for the computer program and the terminal device
Other programs and data.The memory 41 can be also used for temporarily storing the data that has exported or will export.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed device/terminal device and method, it can be with
It realizes by another way.For example, device described above/terminal device embodiment is only schematical, for example, institute
The division of module or unit is stated, only a kind of logical function partition, there may be another division manner in actual implementation, such as
Multiple units or components can be combined or can be integrated into another system, or some features can be ignored or not executed.Separately
A bit, shown or discussed mutual coupling or direct-coupling or communication connection can be through some interfaces, device
Or the INDIRECT COUPLING or communication connection of unit, it can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the present invention realizes above-mentioned implementation
All or part of the process in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a computer readable storage medium, the computer program when being executed by processor, it can be achieved that on
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program generation
Code can be source code form, object identification code form, executable file or certain intermediate forms etc..The computer-readable medium
It may include: any entity or device, recording medium, USB flash disk, mobile hard disk, magnetic that can carry the computer program code
Dish, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that described
The content that computer-readable medium includes can carry out increasing appropriate according to the requirement made laws in jurisdiction with patent practice
Subtract, such as does not include electric carrier signal and electricity according to legislation and patent practice, computer-readable medium in certain jurisdictions
Believe signal.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of finger prints processing method characterized by comprising
The first fingerprint is obtained, the current finger print template of the image information deposit memory for the first fingerprint that will acquire；
The current finger print template is stored in file system, obtains system fingerprint template, and back up the system fingerprint template,
Obtain the first backup fingerprint template；
Detect whether to receive designated order, the designated order includes: unlock instruction after booting, fingerprint typing instruction；
After receiving designated order, whether detection current finger print template is abnormal, and the current finger print template is from the file
System is stored in the system fingerprint template in memory；
In current finger print template exception, the first backup fingerprint template is stored in memory from the file system, and replace
Change the current finger print template.
2. finger prints processing method as described in claim 1, which is characterized in that it is described obtain the first backup fingerprint template after,
Include:
The second fingerprint is obtained, the second fingerprint that will acquire is stored in the current finger print template；
It is the second backup fingerprint template by the current finger print template backup and is stored in the file system；
The current finger print template is stored in the file system, and replaces original system fingerprint template；
Replaced system fingerprint template is backed up, the first new backup fingerprint template is obtained, to replace original first backup mould
Plate.
3. finger prints processing method as claimed in claim 2, which is characterized in that it is described by the first backup fingerprint template from
Memory is stored in the file system, and after replacing the current finger print template, comprising:
Judge whether the current finger print template is abnormal；
In current finger print template exception, the second backup fingerprint template is stored in memory from the file system, and replace
Change the current finger print template.
4. finger prints processing method as described in any one of claims 1 to 3, which is characterized in that described to receive designated order
Afterwards, whether detection current finger print template is abnormal, comprising:
After receiving designated order, whether detection current finger print template is deleted, alternatively, detection current finger print template is specified
Whether character is lost；
It is deleted in current finger print template, alternatively, determining the current finger print when the designated character of current finger print template is lost
There is exception in template, otherwise, it is determined that there is no abnormal for the current finger print template.
5. a kind of finger prints processing device characterized by comprising
First fingerprint acquiring unit, for obtaining the first fingerprint, the image information deposit memory for the first fingerprint that will acquire is worked as
Preceding fingerprint template；
First backup fingerprint template generation unit, for the current finger print template to be stored in file system, the system of obtaining refers to
Line template, and the system fingerprint template is backed up, obtain the first backup fingerprint template；
Designated order detection unit, for detecting whether receiving designated order, the designated order includes: the unlock after booting
Instruction, fingerprint typing instruction；
First current finger print template abnormal deciding means, for after receiving designated order, whether detection current finger print template
Abnormal, the current finger print template is the system fingerprint template being stored in memory from the file system；
First current finger print template replacement unit is used in current finger print template exception, by the first backup fingerprint template
It is stored in memory from the file system, and replaces the current finger print template.
6. finger prints processing device as claimed in claim 5, which is characterized in that the finger prints processing device includes:
Second fingerprint acquiring unit, for obtaining the second fingerprint, the second fingerprint that will acquire is stored in the current finger print template；
Second backup fingerprint template generation unit, for being the second backup fingerprint template by the current finger print template backup and depositing
Enter the file system；
System fingerprint template replacement unit for the current finger print template to be stored in the file system, and is replaced original
System fingerprint template；
First backup fingerprint template replacement unit obtains the first new backup and refers to for backing up replaced system fingerprint template
Line template, to replace original first backup template.
7. finger prints processing device as claimed in claim 6, which is characterized in that the finger prints processing device includes:
Second current finger print template abnormal deciding means, for judging whether the current finger print template is abnormal；
Second current finger print template replacement unit is used in current finger print template exception, by the second backup fingerprint template
It is stored in memory from the file system, and replaces the current finger print template.
8. such as the described in any item finger prints processing devices of claim 5 to 7, which is characterized in that the first current finger print template
Abnormal deciding means includes:
The information detecting module of current finger print template, for after receiving designated order, detection current finger print template whether by
It deletes, alternatively, whether the designated character of detection current finger print template is lost；
Whether abnormal determination module, for being deleted in current finger print template, alternatively, the designated character in current finger print template is lost
When mistake, it is abnormal to determine that the current finger print template exists, otherwise, it is determined that there is no abnormal for the current finger print template.
9. a kind of terminal device, including memory, processor and storage are in the memory and can be on the processor
The computer program of operation, which is characterized in that the processor realizes such as Claims 1-4 when executing the computer program
The step of any one the method.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In when the computer program is executed by processor the step of any one of such as Claims 1-4 of realization the method.
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