CN106250740A - A kind of fingerprint identification method and device - Google Patents
A kind of fingerprint identification method and device Download PDFInfo
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- CN106250740A CN106250740A CN201610570634.XA CN201610570634A CN106250740A CN 106250740 A CN106250740 A CN 106250740A CN 201610570634 A CN201610570634 A CN 201610570634A CN 106250740 A CN106250740 A CN 106250740A
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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
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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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Abstract
The present invention relates to technical field of image processing, particularly relate to a kind of fingerprint identification method and device, comprise determining that the finger print data that finger print detecting module detects；According to finger print data, concurrent first process and the second process, the first process is for carry out fingerprint recognition according to characteristic point Comparison Method, and the second process is for carry out fingerprint recognition according to image Comparison Method；According to formerly identifying successful first process or the identification successful identification information of the second process output, what triggering was preset is identified as merit control instruction.The method concurrently performs characteristic point Comparison Method and image Comparison Method, compared to characteristic point Comparison Method, and concurrent image Comparison Method, improve the success rate once identified, decrease the situation needing user to repeat typing；Compared to image Comparison Method, due to concurrent characteristic point Comparison Method, during user fingerprints typing, there is the situation that certain probability occurs that fingerprint recognition area is enough, on certain probability, the relatively success earlier of characteristic point Comparison Method, can improve the speed once identified.
Description
Technical field
The present invention relates to technical field of image processing, particularly relate to a kind of fingerprint identification method and device.
Background technology
The finger print mobile phones sold on current market, the comparison method of the overwhelming majority uses characteristic point Comparison Method, the party
Method has certain requirement to characteristic point quantity during fingerprint typing, after reaching this characteristic point quantity required, just can complete one
Secondary unlocking motion.And the quantity of this characteristic point, it is to have clear and definite relation with the size of fingerprint, fingerprint area is the biggest, from this
The characteristic point extracted in individual fingerprint will be the most, on the contrary, fingerprint area is the least, it is possible to the characteristic point extracted is the fewest.At mobile phone
Unlocking during using, it is unstable that staff touches the area on fingerprint module surface, during pressing great efforts, and area of detection phase
To relatively big, fingerprint detection area is also big effectively, and presses surging hour, and such as some user likes touching gently by finger belly referring to
Stricture of vagina module surface, now, it is understood that there may be a problem, the area i.e. touched is the least, it is impossible to extract the characteristic point of effective quantity.
Thus cause fingerprint recognition failure, need user to re-type fingerprint and be identified, reduce fingerprint recognition success rate.
For solving the problem that features described above point Comparison Method exists, a kind of image Comparison Method occurred, i.e. pass through than
The method verifying the concordance of fingerprint image, the original intention of this image Comparison Method, is to meet mobile phone to fingerprint
Identify the demand that module area constantly reduces, when fingerprint recognition area narrows down to a certain degree, be difficult to acquisition enough
Characteristic point, now, image Comparison Method compensate for this problem, by FAR (False Match Rate, erroneous matching rate) and
The test of FRR (False Rejection Rate, refuse sincere) two indices, it is found that based on a less fingerprint, when
When cannot have been met the fingerprint comparison index of FAR and FRR by the alignments of characteristic point, by comparing the one of fingerprint image
Cause property, can reach the index request of FAR and FRR.Therefore, for a less fingerprint, image Comparison Method is than characteristic point ratio
Method is had higher success rate.
Although image Comparison Method can have higher success rate when fingerprint recognition area is less, but there is also some and ask
Topic, mainly: compared with characteristic point Comparison Method, image Comparison Method is complex, needs part details each to fingerprint picture to enter
Row similarity comparison, the processor resource that whole process needs is more, and comparison time is relatively long.Producers based on 2016 are public
Cloth data, the unblock to realizing in 100ms of the characteristic point ratio method, and within image Comparison Method can't shorten to 100ms.
In sum, fingerprint identification method of the prior art exists that recognition success rate is the highest or recognition speed is slower
Technical problem.
Summary of the invention
The present invention provides a kind of fingerprint identification method and device, in order to solve fingerprint identification method present in prior art
Have that recognition success rate is the highest or the technical problem that recognition speed is slower.
On the one hand, the embodiment of the present invention provides a kind of fingerprint identification method, including:
Determine the finger print data that finger print detecting module detects；
According to described finger print data, concurrent first process and the second process, described first process is according to characteristic point comparison
Method carries out fingerprint recognition to described finger print data, and described second process is for refer to described finger print data according to image Comparison Method
Stricture of vagina identification；
According to formerly identifying the most described first process or the identification successful identification information of described second process output, touch
Send out preset be identified as merit control instruction.
On the other hand, the embodiment of the present invention provides a kind of fingerprint identification device, including:
Determine unit, for determining the finger print data that finger print detecting module detects；
Processing unit, for according to described finger print data, concurrent first process and the second process, described first process is root
According to characteristic point Comparison Method, described finger print data being carried out fingerprint recognition, described second process is to described finger according to image Comparison Method
Stricture of vagina data carry out fingerprint recognition；
Output unit, for according to formerly identifying being identified as of the most described first process or described second process output
Merit identification information, what triggering was preset is identified as merit control instruction.
The method that the embodiment of the present invention provides, determines the finger print data that finger print detecting module detects；According to described fingerprint
Data, concurrent first process and the second process, described first process is for carry out described finger print data according to characteristic point Comparison Method
Fingerprint recognition, described second process is for carry out fingerprint recognition according to image Comparison Method to described finger print data；According to formerly identifying
Successful first process or the identification successful identification information of the second process output, what triggering was preset is identified as merit control instruction.This
Invent effective effect as follows: the method concurrently performs characteristic point Comparison Method and image Comparison Method, combine two kinds of fingerprint recognition sides
The advantage of method, compared to characteristic point Comparison Method of the prior art, owing to concurrently performing image Comparison Method, thus improves one
The success rate of secondary identification, decreases the situation needing user to repeat typing；Compared to image Comparison Method of the prior art, due to
Concurrently perform characteristic point Comparison Method, when carrying out fingerprint typing due to user, there is certain probability and fingerprint recognition area occurs
Enough situations, thus on certain probability, the relatively success earlier of characteristic point Comparison Method, can improve the speed once identified
Rate.
Accompanying drawing explanation
For the technical method being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing briefly introduce, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for this
From the point of view of the those of ordinary skill in field, on the premise of not paying creative work, it is also possible to obtain it according to these accompanying drawings
His accompanying drawing.
A kind of fingerprint identification method flow chart that Fig. 1 provides for the embodiment of the present invention；
A kind of fingerprint identification method detail flowchart that Fig. 2 provides for the embodiment of the present invention；
A kind of fingerprint identification method detail flowchart that Fig. 3 provides for the embodiment of the present invention；
A kind of fingerprint identification device schematic diagram that Fig. 4 provides for the embodiment of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical method and advantage clearer, below in conjunction with accompanying drawing the present invention made into
One step ground describes in detail, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole enforcement
Example.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
All other embodiments, broadly fall into the scope of protection of the invention.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
As it is shown in figure 1, a kind of fingerprint identification method that the embodiment of the present invention provides, including:
Step 101, determine the finger print data that finger print detecting module detects；
Step 102, according to described finger print data, concurrent first process and the second process, special according to described first process
Levying a Comparison Method and described finger print data carries out fingerprint recognition, described second process is to described fingerprint number according to image Comparison Method
According to carrying out fingerprint recognition；
Step 103, basis formerly identify successful first process or the identification successful identification information of the second process output, touch
Send out preset be identified as merit control instruction.
The scene that the embodiment of the present invention is suitable for is: when user needs to carry out fingerprint recognition, it is possible to use the present invention is real
Execute example method, such as, when user uses mobile phone, need to be unlocked by unlocked by fingerprint；For another example, when a customer makes a payment, need to lead to
Cross fingerprint payment etc..The embodiment of the present invention is applicable to the application scenarios that be there is a need to carry out fingerprint recognition.
In above-mentioned steps 101, when user needs to carry out fingerprint recognition, touch fingerprint module surface by finger, then
Finger print detecting module can detect that user passes through the finger print data of fingerprint module typing.
In above-mentioned steps 102, according to described finger print data, concurrent first process and the second process, wherein, the first process is
According to characteristic point Comparison Method, described finger print data being carried out fingerprint recognition, the second process is to described fingerprint according to image Comparison Method
Data carry out fingerprint recognition.
Due to by characteristic point Comparison Method and carry out the method for fingerprint recognition according to image Comparison Method and belong to prior art,
Therefore the embodiment of the present invention implements process to both approaches and is not described in detail, and concrete methods of realizing refers to existing
Technical scheme.
In this step, the finger print data detected is identified by concurrent first process and the second process simultaneously.
In above-mentioned steps 103, owing to two processes are when carrying out fingerprint recognition, sequential there is certainly a process the most defeated
Going out recognition result, the recognition result point situation of output, at rear output recognition result, is illustrated by another process below.
Situation the one, first process formerly exports identification successful identification information
In this case, the first process formerly exports identification successful identification information, then directly according to formerly identifying successfully
The identification successful identification information of the first process output, what triggering was preset is identified as merit control instruction.
That is, the characteristic point Comparison Method that the first process the is carried out finger print data to detecting formerly is identified result, and knows
Other result is successfully, then what direct triggering was preset is identified as merit control instruction.
Alternatively, trigger preset be identified as merit control instruction before, close described second process.Because the first process
Determining that the finger print data detected is correct, now the recognition result of the second process has receded into the background, therefore to save
System resource and raising operational efficiency, receiving the identification successful identification information formerly identifying successful first process output
After, close described second process.
Situation the two, first process formerly exports recognition failures identification information
For convenience of description, the recognition failures identification information that the first process formerly exports is referred to as the first recognition failures mark letter
Breath, i.e. first exports the first recognition failures identification information online, now needs to wait the output result of the second process.
If the output result of the second process is also recognition failures identification information, the referred to herein as second recognition failures mark letter
Breath, shows that two processes, when being identified finger print data, all determine that final recognition result is recognition failures, and i.e. first enters
Cheng Xian exports the first recognition failures identification information, and the second process is at rear output the second recognition failures identification information, the most permissible
Determine the finger print data recognition failures detected, now, trigger the recognition failures control instruction preset.
If the second process output result is for identifying successful identification information, then according to identifying successful second process output
Identifying successful identification information, what triggering was preset is identified as merit control instruction, after the i.e. first process output recognition failures identification information,
Second process output identification successful identification information, now, it is also determined that to the finger print data identification success detected, thus trigger pre-
If be identified as merit control instruction.
Situation the three, second process formerly exports identification successful identification information
This situation is similar with situation one, and in this case, the second process formerly exports identification successful identification information, the most directly
According to the identification successful identification information formerly identifying that successful second process exports, what triggering was preset is identified as merit control instruction.
Alternatively, trigger preset be identified as merit control instruction before, close described first process.Because the second process
Determining that the finger print data detected is correct, now the recognition result of the first process has receded into the background, therefore to save
System resource and raising operational efficiency, receiving the identification successful identification information formerly identifying successful second process output
After, close described first process.
Situation the four, second process formerly exports recognition failures identification information
This situation is similar with situation two, and the second process formerly exports failed identification information, and for convenience of description, referred to as second loses
Lose identification information, now need to wait the output result of the first process.
If the output result of the first process is also recognition failures identification information, the referred to herein as first recognition failures mark letter
Breath, shows that two processes, when being identified finger print data, all determine that final recognition result is recognition failures, and i.e. second enters
Cheng Xian exports the second recognition failures identification information, and the first process is at rear output the first recognition failures identification information, the most permissible
Determine the finger print data recognition failures detected, now, trigger the recognition failures control instruction preset.
If the first process output result is for identifying successful identification information, then according to identifying successful first process output
Identifying successful identification information, what triggering was preset is identified as merit control instruction, after the i.e. second process output recognition failures identification information,
First process output identification successful identification information, now, it is also determined that to the finger print data identification success monitored, thus trigger pre-
If be identified as merit control instruction.
For above-mentioned four kinds of situations, during for using two processes concurrently finger print data to be carried out fingerprint recognition, as long as having
The recognition result of the finger print data of one process output is for identifying successful identification information, if then another process is also being run,
Then close another process, and trigger preset be identified as merit control instruction.If the knowledge of the finger print data of two process outputs
Other result is recognition failures identification information, then trigger default recognition failures control instruction.
The method that the embodiment of the present invention provides, determines the finger print data that finger print detecting module detects；According to described fingerprint
Data, concurrent first process and the second process, described first process is for carry out described finger print data according to characteristic point Comparison Method
Fingerprint recognition, described second process is for carry out fingerprint recognition according to image Comparison Method to described finger print data；According to formerly identifying
Successful first process or the identification successful identification information of the second process output, what triggering was preset is identified as merit control instruction.This
Invent effective effect as follows: the method concurrently performs characteristic point Comparison Method and image Comparison Method, combine two kinds of fingerprint recognition sides
The advantage of method, compared to characteristic point Comparison Method of the prior art, owing to concurrently performing image Comparison Method, thus improves one
The success rate of secondary identification, decreases the situation needing user to repeat typing；Compared to image Comparison Method of the prior art, due to
Concurrently perform characteristic point Comparison Method, when carrying out fingerprint typing due to user, there is certain probability and fingerprint recognition area occurs
Enough situations, thus on certain probability, the relatively success earlier of characteristic point Comparison Method, can improve the speed once identified
Rate.
Being described in detail said method below in conjunction with Fig. 2, wherein, the fingerprint that Fig. 2 provides for the embodiment of the present invention is known
Other method detail flowchart, comprises the following steps:
Step 201, determine the finger print data that finger print detecting module detects, and generate interrupt signal.
Step 202, User layer generate the first fingerprint recognition instruction and the instruction of the second fingerprint recognition according to described interrupt signal,
And described first fingerprint recognition instruction and described second fingerprint recognition instruction are sent to TZ module.
In this step, User layer generate the first fingerprint recognition respectively according to interrupt signal to instruct and the second fingerprint recognition
Instruction, is the most all sent to TZ module, and wherein, client layer (User layer) is mainly used in interacting with user, processes upper strata letter
Order, in current mobile terminal is applied, the function of fingerprint recognition is mainly integrated in TZ (trustzone) module.
Step 203, described TZ module obtain described finger print data from described finger print detecting module, and enter according to described first
Journey and described second process carry out fingerprint recognition to described finger print data respectively.
Wherein, TZ module, after receiving the first fingerprint recognition instruction and the instruction of the second fingerprint recognition, is respectively created first
Process and the second process, then TZ module directly obtains finger print data from finger print detecting module, so that the first process is passed through
The finger print data obtained is identified by Feature point recognition method, and makes the second process pass through the image Comparison Method finger to obtaining
Stricture of vagina data are identified, and wherein, the first process and the second process concurrently perform.
Step 204, described User layer are according to the identification success formerly identifying successful first process or the output of the second process
Identification information, what triggering was preset is identified as merit control instruction.
In this step, if User layer receives successful first process of formerly identification or the second process that TZ module sends
The identification successful identification information of output, then what triggering was preset is identified as merit control instruction.
Certainly, if User layer receive TZ module send first process output the first recognition failures identification information and
Second process failure identification information of the second process output, then trigger default recognition failures control instruction.
The method that the embodiment of the present invention provides, determines the finger print data that finger print detecting module detects；According to described fingerprint
Data, concurrent first process and the second process, described first process is for carry out described finger print data according to characteristic point Comparison Method
Fingerprint recognition, described second process is for carry out fingerprint recognition according to image Comparison Method to described finger print data；According to formerly identifying
Successful first process or the identification successful identification information of the second process output, what triggering was preset is identified as merit control instruction.This
Invent effective effect as follows: the method concurrently performs characteristic point Comparison Method and image Comparison Method, combine two kinds of fingerprint recognition sides
The advantage of method, compared to characteristic point Comparison Method of the prior art, owing to concurrently performing image Comparison Method, thus improves one
The success rate of secondary identification, decreases the situation needing user to repeat typing；Compared to image Comparison Method of the prior art, due to
Concurrently perform characteristic point Comparison Method, when carrying out fingerprint typing due to user, there is certain probability and fingerprint recognition area occurs
Enough situations, thus on certain probability, the relatively success earlier of characteristic point Comparison Method, can improve the speed once identified
Rate.
, there is following features in the fingerprint identification method described for above-mentioned Fig. 2:
1) User layer is as master control, generates the instruction of two fingerprint recognition, the characteristic point comparison process performed in TZ module and
The relatively independent operation of image comparison process, independent feedback result.
2) User layer receives the result of two progress feedback respectively, and carries out corresponding action executing.
Fingerprint identification method shown in above-mentioned Fig. 2 there is the problem that flow process original to mobile phone has bigger change,
Because existing mobile phone User layer only can initiate a fingerprint recognition instruction, and the method User layer in above-mentioned Fig. 2 needs to initiate
Two fingerprint recognition instructions, thus result in and need that existing User layer is had bigger change, refer to this end, another kind is given below
Stricture of vagina recognition methods, wherein, User layer has only to send a fingerprint recognition instruction just can realize fingerprint recognition, with prior art
The action of scheme User layer keeps consistent.
Concrete, characteristic point comparison process and image comparison process can be encapsulated in this flight data recorder of TZ, User layer
Only initiate a fingerprint comparison, and receive fingerprint recognition result from TZ, then whole flow process will User layer original with mobile phone
Control flow is consistent.Now, TZ, as a flight data recorder, accepts the identification mission that User layer sends, and feeds back to User layer
Two set comparisons, inside TZ flight data recorder, are carried out parallel processing, and comparison final result are sent to User layer i.e. by recognition result
Can.It is specifically described below.
As it is shown on figure 3, a kind of fingerprint identification method detail flowchart provided for the embodiment of the present invention, including following step
Rapid:
Step 301, determine the finger print data that finger print detecting module detects, and generate interrupt signal.
Step 302, User layer generate fingerprint recognition according to described interrupt signal and instruct and be sent to TZ module.
In this step, User layer only generates a fingerprint recognition and instructs and be sent to TZ module.With in prior art
When User layer does fingerprint recognition, the function of User layer keeps consistent, such that it is able to reduce the development of User layer, easily facilitates
Apply the inventive method in actual application.
Step 303, described TZ module create described first process and described second process according to the instruction of described fingerprint recognition.
In this step, TZ module, when receiving fingerprint recognition instruction, instructs establishment first according to described fingerprint recognition
Process and the second process.
Step 304, described TZ module obtain described finger print data from described finger print detecting module, and enter according to described first
Journey and described second process carry out fingerprint recognition to described finger print data respectively；
Step 305, described TZ module are according to the identification success formerly identifying successful first process or the output of the second process
Identification information, generates fingerprint recognition success message and described fingerprint recognition success message is sent to described User layer.
In this step, if TZ module is according to the identification success formerly identifying successful first process or the output of the second process
Identification information generates fingerprint recognition success message, and described fingerprint recognition success message is sent to User layer
Certainly, if the first process exports the first recognition failures identification information, and the second process exports the second process and unsuccessfully marks
Knowledge information, then TZ module generates fingerprint recognition failed message and is sent to User layer.
The most in step 305, TZ module determine final recognition result, and generate fingerprint recognition message and be sent to User
Layer (fingerprint recognition message is fingerprint recognition success message or fingerprint recognition failed message).
Step 306, described User layer, according to described fingerprint recognition success message, trigger the power control system that is identified as preset and refer to
Order.
If User layer receives fingerprint recognition success message, then what triggering was preset is identified as merit control instruction.
Certainly, if User layer receives fingerprint recognition failed message, then default recognition failures control instruction is triggered.
Fingerprint identification method shown in above-mentioned Fig. 3 differs primarily in that with the fingerprint identification method shown in above-mentioned Fig. 2:
First, User layer only sends a fingerprint recognition and instructs to TZ module, and TZ module is receiving fingerprint recognition instruction
After be respectively created the first process and the second process, and concurrently perform described first process and described second process.
Second, TZ module determine final recognition result, and correspondingly generate fingerprint recognition success message or fingerprint knowledge
Other failed message, is sent to User layer, is then triggered default being identified as merit control instruction or trigger the knowledge preset by User layer
Not failure control instruction.
Compared to the fingerprint identification method shown in Fig. 2, the fingerprint identification method shown in Fig. 3 achieves the envelope to TZ module
Dress, it is achieved thereby that make the execution flow process that User layer is identical with User layer holding in prior art, i.e. has only to send one
Fingerprint recognition instructs, and in actual applications, improves development efficiency, has saved cost.
The method that the embodiment of the present invention provides, determines the finger print data that finger print detecting module detects；According to described fingerprint
Data, concurrent first process and the second process, described first process is for carry out described finger print data according to characteristic point Comparison Method
Fingerprint recognition, described second process is for carry out fingerprint recognition according to image Comparison Method to described finger print data；According to formerly identifying
Successful first process or the identification successful identification information of the second process output, what triggering was preset is identified as merit control instruction.This
Invent effective effect as follows: the method concurrently performs characteristic point Comparison Method and image Comparison Method, combine two kinds of fingerprint recognition sides
The advantage of method, compared to characteristic point Comparison Method of the prior art, owing to concurrently performing image Comparison Method, thus improves one
The success rate of secondary identification, decreases the situation needing user to repeat typing；Compared to image Comparison Method of the prior art, due to
Concurrently perform characteristic point Comparison Method, when carrying out fingerprint typing due to user, there is certain probability and fingerprint recognition area occurs
Enough situations, thus on certain probability, the relatively success earlier of characteristic point Comparison Method, can improve the speed once identified
Rate.
Based on identical technology design, the embodiment of the present invention also provides for a kind of fingerprint identification device, as shown in Figure 4, and including:
Determine unit 401, for determining the finger print data that finger print detecting module detects；
Processing unit 402, for according to described finger print data, concurrent first process and the second process, described first process
For described finger print data being carried out fingerprint recognition according to characteristic point Comparison Method, described second process for according to image Comparison Method to institute
State finger print data and carry out fingerprint recognition；
Output unit 403, for successfully marking according to the identification formerly identifying successful first process or the output of the second process
Knowledge information, what triggering was preset is identified as merit control instruction.
Alternatively, described output unit 403, specifically for:
If receiving the identification successful identification information formerly identifying successful first process output, then close described second and enter
Journey, and trigger and described default be identified as merit control instruction；
If receiving the identification successful identification information formerly identifying successful second process output, then close described first and enter
Journey, and trigger and described default be identified as merit control instruction.
Alternatively, described determine unit 401, specifically for:
Determine the finger print data that finger print detecting module detects, and generate interrupt signal；
Described processing unit 402, specifically for:
The first fingerprint recognition instruction and the instruction of the second fingerprint recognition is generated according to described interrupt signal by user's User layer,
And described first fingerprint recognition instruction and described second fingerprint recognition instruction are sent to TZ module；
Described first process is created and according to described the according to described first fingerprint recognition instruction by described TZ module
Two fingerprint recognition instructions create described second process；
Obtain described finger print data by described TZ module from described finger print detecting module, and according to described first process and
Described second process carries out fingerprint recognition to described finger print data respectively；
Described output unit 403, specifically for:
By described User layer according to formerly identifying successful first process or the identification success flag of the second process output
Information, what triggering was preset is identified as merit control instruction.
Alternatively, described determine unit 401, specifically for:
Determine the finger print data that finger print detecting module detects, and generate interrupt signal；
Described processing unit 402, specifically for:
Generate fingerprint recognition by User layer according to described interrupt signal and instruct and be sent to TZ module；
Described first process and described second process is created according to the instruction of described fingerprint recognition by described TZ module；
Obtain described finger print data by described TZ module from described finger print detecting module, and according to described first process and
Described second process carries out fingerprint recognition to described finger print data respectively；
Described output unit 403, specifically for:
By described TZ module according to formerly identifying successful first process or the identification success flag of the second process output
Information, generates fingerprint recognition success message and described fingerprint recognition success message is sent to described User layer；
By described User layer according to described fingerprint recognition success message, what triggering was preset is identified as merit control instruction.
Alternatively, described output unit 403, it is additionally operable to:
First recognition failures identification information of the first process output according to recognition failures and the second process of recognition failures
Second recognition failures identification information of output, triggers the recognition failures control instruction preset.
The embodiment of the present invention, determines the finger print data that finger print detecting module detects；According to described finger print data, concurrent
One process and the second process, described first process for described finger print data is carried out fingerprint recognition according to characteristic point Comparison Method, institute
Second process of stating is for carry out fingerprint recognition according to image Comparison Method to described finger print data；According to formerly identifying that successful first enters
Journey or the identification successful identification information of the second process output, what triggering was preset is identified as merit control instruction.The effective effect of the present invention
As follows: concurrently performing characteristic point Comparison Method and image Comparison Method, the advantage combining two kinds of fingerprint identification methods, compared to existing
Characteristic point Comparison Method in technology, owing to concurrently performing image Comparison Method, thus improves the success rate once identified, reduces
The user is needed to repeat the situation of typing；Compared to image Comparison Method of the prior art, owing to concurrently performing characteristic point ratio
To method, when carrying out fingerprint typing due to user, there is the situation that certain probability occurs that fingerprint recognition area is enough, thus one
On fixed probability, the relatively success earlier of characteristic point Comparison Method, can improve the speed once identified.
The present invention is with reference to method, equipment (system) and the flow process of computer program according to embodiments of the present invention
Figure and/or block diagram describe.It should be understood that can the most first-class by computer program instructions flowchart and/or block diagram
Flow process in journey and/or square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
Instruction arrives the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce
A raw machine so that the instruction performed by the processor of computer or other programmable data processing device is produced for real
The device of the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame now.
These computer program instructions may be alternatively stored in and computer or other programmable data processing device can be guided with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in this computer-readable memory produces and includes referring to
Make the manufacture of device, this command device realize at one flow process of flow chart or multiple flow process and/or one square frame of block diagram or
The function specified in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing device so that at meter
Perform sequence of operations step on calculation machine or other programmable devices to produce computer implemented process, thus at computer or
The instruction performed on other programmable devices provides for realizing at one flow process of flow chart or multiple flow process and/or block diagram one
The step of the function specified in individual square frame or multiple square frame.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these amendments of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a fingerprint identification method, it is characterised in that including:
Determine the finger print data that finger print detecting module detects；
According to described finger print data, concurrent first process and the second process, described first process is according to characteristic point Comparison Method pair
Described finger print data carries out fingerprint recognition, and described second process is for carry out fingerprint knowledge according to image Comparison Method to described finger print data
Not；
According to formerly identifying the most described first process or the identification successful identification information of described second process output, trigger pre-
If be identified as merit control instruction.
2. fingerprint identification method as claimed in claim 1, it is characterised in that described basis formerly identifies successful first process
Or second process output identification successful identification information, trigger preset is identified as merit control instruction, including:
If receiving the identification successful identification information formerly identifying successful first process output, then close described second process,
And trigger and described default be identified as merit control instruction；
If receiving the identification successful identification information formerly identifying successful second process output, then close described first process,
And trigger and described default be identified as merit control instruction.
3. fingerprint identification method as claimed in claim 1 or 2, it is characterised in that described determine that finger print detecting module detects
Finger print data, including:
Determine the finger print data that finger print detecting module detects, and generate interrupt signal；
Described according to described finger print data, concurrent first process and the second process, including:
User's User layer generates the first fingerprint recognition instruction and the instruction of the second fingerprint recognition according to described interrupt signal, and by described
First fingerprint recognition instruction and described second fingerprint recognition instruction are sent to TZ module；
Described TZ module creates described first process according to described first fingerprint recognition instruction and knows according to described second fingerprint
Zhi Ling not create described second process；
Described TZ module obtains described finger print data from described finger print detecting module, and according to described first process and described second
Process carries out fingerprint recognition to described finger print data respectively；
Described basis formerly identifies successful first process or the identification successful identification information of the second process output, and triggering is preset
It is identified as merit control instruction, including:
Described User layer, according to formerly identifying successful first process or the identification successful identification information of the second process output, triggers
That presets is identified as merit control instruction.
4. fingerprint identification method as claimed in claim 1 or 2, it is characterised in that described determine that finger print detecting module detects
Finger print data, including:
Determine the finger print data that finger print detecting module detects, and generate interrupt signal；
Described according to described finger print data, concurrent first process and the second process, including:
User layer generates fingerprint recognition according to described interrupt signal and instructs and be sent to TZ module；
Described TZ module creates described first process and described second process according to the instruction of described fingerprint recognition；
Described TZ module obtains described finger print data from described finger print detecting module, and according to described first process and described second
Process carries out fingerprint recognition to described finger print data respectively；
Described basis formerly identifies successful first process or the identification successful identification information of the second process output, and triggering is preset
It is identified as merit control instruction, including:
Described TZ module, according to formerly identifying successful first process or the identification successful identification information of the second process output, generates
Described fingerprint recognition success message is also sent to described User layer by fingerprint recognition success message；
Described User layer is according to described fingerprint recognition success message, and what triggering was preset is identified as merit control instruction.
5. fingerprint identification method as claimed in claim 1, it is characterised in that described according to described finger print data, concurrent first
After process and the second process, also include:
The first recognition failures identification information and described the second of recognition failures of the described first process output according to recognition failures
Second recognition failures identification information of process output, triggers the recognition failures control instruction preset.
6. a fingerprint identification device, it is characterised in that including:
Determine unit, for determining the finger print data that finger print detecting module detects；
Processing unit, for according to described finger print data, concurrent first process and the second process, spy according to described first process
Levying a Comparison Method and described finger print data carries out fingerprint recognition, described second process is to described fingerprint number according to image Comparison Method
According to carrying out fingerprint recognition；
Output unit, for successfully marking according to the identification formerly identifying the most described first process or described second process output
Knowledge information, what triggering was preset is identified as merit control instruction.
7. fingerprint identification device as claimed in claim 6, it is characterised in that described output unit, specifically for:
If receiving the identification successful identification information formerly identifying successful first process output, then close described second process,
And trigger and described default be identified as merit control instruction；
If receiving the identification successful identification information formerly identifying successful second process output, then close described first process,
And trigger and described default be identified as merit control instruction.
Fingerprint identification device the most as claimed in claims 6 or 7, it is characterised in that described determine unit, specifically for:
Determine the finger print data that finger print detecting module detects, and generate interrupt signal；
Described processing unit, specifically for:
The first fingerprint recognition instruction and the instruction of the second fingerprint recognition is generated according to described interrupt signal by user's User layer, and will
Described first fingerprint recognition instruction and described second fingerprint recognition instruction are sent to TZ module；
Create described first process by described TZ module according to described first fingerprint recognition instruction and refer to according to described second
Stricture of vagina identification instruction creates described second process；
Described finger print data is obtained from described finger print detecting module by described TZ module, and according to described first process and described
Second process carries out fingerprint recognition to described finger print data respectively；
Described output unit, specifically for:
By described User layer according to formerly identifying successful first process or the identification successful identification information of the second process output,
What triggering was preset is identified as merit control instruction.
Fingerprint identification device the most as claimed in claims 6 or 7, it is characterised in that described determine unit, specifically for:
Determine the finger print data that finger print detecting module detects, and generate interrupt signal；
Described processing unit, specifically for:
Generate fingerprint recognition by User layer according to described interrupt signal and instruct and be sent to TZ module；
Described first process and described second process is created according to the instruction of described fingerprint recognition by described TZ module；
Described finger print data is obtained from described finger print detecting module by described TZ module, and according to described first process and described
Second process carries out fingerprint recognition to described finger print data respectively；
Described output unit, specifically for:
By described TZ module according to formerly identifying successful first process or the identification successful identification information of the second process output,
Generate fingerprint recognition success message and described fingerprint recognition success message is sent to described User layer；
By described User layer according to described fingerprint recognition success message, what triggering was preset is identified as merit control instruction.
10. fingerprint identification device as claimed in claim 6, it is characterised in that described output unit, is additionally operable to:
The first recognition failures identification information and described the second of recognition failures of the described first process output according to recognition failures
Second recognition failures identification information of process output, triggers the recognition failures control instruction preset.
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| CN201610570634.XA CN106250740A (en) | 2016-07-19 | 2016-07-19 | A kind of fingerprint identification method and device |
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| CN201610570634.XA CN106250740A (en) | 2016-07-19 | 2016-07-19 | A kind of fingerprint identification method and device |
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| CN201610570634.XA Pending CN106250740A (en) | 2016-07-19 | 2016-07-19 | A kind of fingerprint identification method and device |
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| CN107066860A (en) * | 2017-03-16 | 2017-08-18 | 广东欧珀移动通信有限公司 | A kind of fingerprint identification method and mobile terminal |
| CN110298313A (en) * | 2019-06-28 | 2019-10-01 | Oppo广东移动通信有限公司 | Ultrasonic fingerprint recognition methods, device, electronic equipment and storage medium |
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