CN109976615A - Fingerprint image processing method and relevant apparatus - Google Patents
Fingerprint image processing method and relevant apparatus Download PDFInfo
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- CN109976615A CN109976615A CN201910244793.4A CN201910244793A CN109976615A CN 109976615 A CN109976615 A CN 109976615A CN 201910244793 A CN201910244793 A CN 201910244793A CN 109976615 A CN109976615 A CN 109976615A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/04817—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance using icons
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
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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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- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- User Interface Of Digital Computer (AREA)
- Collating Specific Patterns (AREA)
Abstract
The embodiment of the present application discloses a kind of fingerprint image processing method and relevant apparatus, applied to electronic equipment, the display screen of electronic equipment includes the predeterminable area for carrying out fingerprint recognition, electronic equipment absolute presupposition region is provided with fingerprint mould group, electronic equipment shows the first icon in predeterminable area first, and detects the pressing operation for being directed to predeterminable area；Secondly when detecting the pressing operation for predeterminable area, the first fingerprint image is acquired, and whether detection pressing operation lifts；Then non-finger print information filtering is carried out according to the first fingerprint image and the first icon, obtains the second fingerprint image；Fingerprint comparison is carried out according to the second fingerprint image and the fingerprint template prestored, obtains comparison result；Respective operations are finally executed according to comparison result.The embodiment of the present application reduce fingerprint authentication process refuse it is sincere, be conducive to optimize fingerprint image processing, improve fingerprint authentication process high efficiency and accuracy.
Description
Technical field
This application involves technical field of electronic equipment, and in particular to a kind of fingerprint image processing method and relevant apparatus.
Background technique
Under the screen of the electronic equipments such as current phone in fingerprint schemes, the unlocking process of unlocking process and conventional condenser fingerprint
It is almost the same, i.e., figure is adopted by pressing fingerprint triggering fingerprint in compressing time, the fingerprint template of typing in Compare System,
Obtain fingerprint whether matching result.Shielding lower fingerprint schemes at present is that triggering is placed in the camera lens below screen after being pressed by fingerprint
Optical image acquisition is carried out, therefore the accuracy of fingerprint image can have a significant impact to the result of fingerprint recognition.
Summary of the invention
The embodiment of the present application provides a kind of fingerprint image processing method and relevant apparatus, carries out to improve electronic equipment
The accuracy of fingerprint authentication, reduction fingerprint are refused sincere.
In a first aspect, the embodiment of the present application provides a kind of fingerprint image processing method, which is characterized in that set applied to electronics
Standby, the display screen of the electronic equipment includes the predeterminable area for carrying out fingerprint recognition, and the electronic equipment is relatively described pre-
If region is provided with fingerprint mould group, which comprises
The first icon is shown in the predeterminable area, and detects the pressing operation for being directed to the predeterminable area；
When detecting the pressing operation for the predeterminable area, the first fingerprint image is acquired, and press described in detection
Whether press operation lifts；
Non- finger print information filtering is carried out according to first fingerprint image and first icon, obtains the second fingerprint image
Picture；
Fingerprint comparison is carried out according to second fingerprint image and the fingerprint template prestored, obtains comparison result；
Respective operations are executed according to the comparison result.
Second aspect, the embodiment of the present application provide a kind of fingerprint image processing unit, which is characterized in that set applied to electronics
Standby, the display screen of the electronic equipment includes the predeterminable area for carrying out fingerprint recognition, and the electronic equipment is relatively described pre-
If region is provided with fingerprint mould group；The fingerprint image processing unit includes processing unit and communication unit, wherein
The processing unit for showing the first icon in the predeterminable area, and is detected for the predeterminable area
Pressing operation；And for acquiring the first fingerprint image, Yi Jijian when detecting the pressing operation for the predeterminable area
Survey whether the pressing operation lifts；And for carrying out non-fingerprint letter according to first fingerprint image and first icon
Breath filtering, obtains the second fingerprint image；And for carrying out fingerprint according to second fingerprint image and the fingerprint template prestored
It compares, obtains comparison result；And for executing respective operations according to the comparison result.
The third aspect, the embodiment of the present application provide a kind of electronic equipment, including processor, memory, communication interface and
One or more programs, wherein said one or multiple programs are stored in above-mentioned memory, and are configured by above-mentioned
It manages device to execute, above procedure is included the steps that for executing the instruction in the embodiment of the present application first aspect either method.
Fourth aspect, the embodiment of the present application provide a kind of computer readable storage medium, wherein above-mentioned computer-readable
Storage medium storage is used for the computer program of electronic data interchange, wherein above-mentioned computer program executes computer such as
Step some or all of described in the embodiment of the present application first aspect either method.
5th aspect, the embodiment of the present application provide a kind of computer program product, wherein above-mentioned computer program product
Non-transient computer readable storage medium including storing computer program, above-mentioned computer program are operable to make to calculate
Machine executes the step some or all of as described in the embodiment of the present application first aspect either method.The computer program product
It can be a software installation packet.
As can be seen that electronic equipment shows the first icon in the predeterminable area first, and detects in the embodiment of the present application
For the pressing operation of the predeterminable area；Secondly when detecting the pressing operation for the predeterminable area, acquisition first
Whether fingerprint image, and the detection pressing operation lift；Then according to first fingerprint image and first icon
Non- finger print information filtering is carried out, the second fingerprint image is obtained；It is carried out according to second fingerprint image and the fingerprint template prestored
Fingerprint comparison obtains comparison result；Respective operations are finally executed according to the comparison result.As it can be seen that in this example, electronic equipment
Non- finger print information filtering is carried out according to first fingerprint image and first icon, obtains the second fingerprint image, further according to
Second fingerprint image and the fingerprint template prestored carry out fingerprint comparison, avoid since the factors such as system Caton lead to first
The icon hiding time too late, so as to cause fingerprint authentication process the problem of refusing sincere rising, is mentioned by the filtering of non-finger print information
The high accuracy of fingerprint collecting, reduce fingerprint authentication process refuses sincere, is conducive to optimize fingerprint image processing, raising refers to
The high efficiency and accuracy of line verification process.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic diagram of a kind of electronic equipment acquisition fingerprint provided by the embodiments of the present application；
Fig. 2 a is a kind of flow diagram of fingerprint image processing method provided by the embodiments of the present application；
Fig. 2 b is the icon schematic diagram of one mode provided by the embodiments of the present application；
Fig. 2 c is the icon schematic diagram of one mode provided by the embodiments of the present application；
Fig. 2 d is the icon schematic diagram of one mode provided by the embodiments of the present application；
Fig. 2 e is a kind of process schematic of Image Acquisition effect provided by the embodiments of the present application；
Fig. 3 is the flow diagram of another fingerprint image processing method provided by the embodiments of the present application；
Fig. 4 is the flow diagram of another fingerprint image processing method provided by the embodiments of the present application；
The structural schematic diagram of Fig. 5 a kind of electronic equipment provided by the embodiments of the present application；
A kind of Fig. 6 functional unit composition block diagram of fingerprint image processing unit provided by the embodiments of the present application.
Specific embodiment
Fingerprint identification technology is mapped a people with his fingerprint, by by his fingerprint and the fingerprint that pre-saves
It is compared, is identified by the details of different fingerprints, so that it may verify his true identity.Characteristic point refers to
Often there is breakpoint, bifurcation and the turning point of interruption, bifurcated or turnover in fingerprint lines.Everyone fingerprint lines pattern,
It is different on breakpoint, bifurcation and turning point, it is unique.And its uniqueness be throughout one's life it is constant, exactly by it is this only
One property and stability, we could create fingerprint identification technology.Fingerprint identification technology possesses fast recognition speed, acquisition convenience and valence
The advantages that lattice are cheap is widely used in numerous ambits such as image procossing, pattern-recognition, computer vision.
As shown in FIG. 1, FIG. 1 is the schematic diagram that an electronic equipment 101 acquires fingerprint, which includes display
Screen 102 and relative to the display screen 102 predeterminable area 103 be arranged fingerprint mould group 104,105 be fingerprint enlarged drawing, when with
When the finger contact screen of family, the light that display screen 102 issues penetrates cover board and illuminates fingerprint texture, forms fingerprint light film, fingerprint
Reflection light is returned into fingerprint mould group, ultimately forms fingerprint image.Electronic equipment involved by the embodiment of the present application can be with
It is the electronic equipment for having fingerprint mould group, which may include the various handheld devices with wireless communication function, vehicle
Equipment, wearable device are carried, equipment is calculated or is connected to other processing equipments of radio modem and various forms of
User equipment (User Equipment, UE), mobile station (Mobile Station, MS), terminal device (terminal
Device) etc..
Currently, being that the camera lens that triggering is placed in below screen after being pressed by fingerprint carries out optics due to shielding lower fingerprint schemes
Image Acquisition, so if the fingerprint icon (identification fingerprint pressing position) on screen disappears during fingerprint presses
Relatively slow (being influenced by factors such as system Catons), have very that maximum probability is taken as finger print information and is collected into fingerprint adopting in figure, use
Make with the comparison of fingerprint template, at this time fingerprint authentication process refuse sincere (False Rejection Rate, FRR) will be obvious
Rise.Based on this, the embodiment of the present application proposes a kind of fingerprint image processing method to solve the above problems, below to the application reality
Example is applied to describe in detail.
Fig. 2 a is please referred to, Fig. 2 a is that the embodiment of the present application provides a kind of flow diagram of fingerprint image processing method,
Applied to electronic equipment, the display screen of the electronic equipment includes the predeterminable area for carrying out fingerprint recognition, and the electronics is set
The standby relatively described predeterminable area is provided with fingerprint mould group, as shown, this fingerprint image processing method includes:
S201, electronic equipment shows the first icon in the predeterminable area, and detects the detection for being directed to the predeterminable area
To the pressing operation for being directed to the predeterminable area；
Wherein, the fingerprint mould group can be integrated in the screen of the electronic equipment, be also possible to shield lower optics and referred to
Line mould group, does not do unique restriction herein.
Wherein, the projection of predeterminable area plane locating for the sampling end of fingerprint mould group is overlapped with the sampling end, institute
Stating fingerprint identification region can be round, rectangular, irregular shape etc., not do unique restriction herein.
Wherein, the pressing operation can trigger electronic equipment and be highlighted predeterminable area to prompt user's finger to press position
It sets, display effect can be dynamic change or changeless, not do unique restriction herein.
For example, the electronic equipment can support the icon of various modes to show in predeterminable area, the first icon tool
Body may include the icon of " illusion " mode as shown in Figure 2 b, or as shown in Figure 2 c shown in " the hollow field of force " mould
The icon of formula, or as shown in Figure 2 d shown in " energy beam " mode icon.
S202, the electronic equipment acquire the first fingerprint image when detecting the pressing operation for the predeterminable area
Whether picture, and the detection pressing operation lift；
S203, the electronic equipment carry out non-finger print information mistake according to first fingerprint image and first icon
Filter, obtains the second fingerprint image；
Wherein, the acquisition process of first icon includes obtaining first to read mark place value；It tables look-up to obtain according to mark place value
Icon pattern looks into picture library according to icon pattern and obtains the first icon.
Wherein, finger print information filtering is included in when detecting that the pressing operation lifts, and calculates corresponding pixel points
The similarity of colouring information is determined based on similarity and carries out non-finger print information filtering.
S204, the electronic equipment carry out fingerprint comparison according to second fingerprint image and the fingerprint template prestored, obtain
To comparison result；
Wherein, image acquisition process exemplary diagram as shown in Figure 2 e, the fingerprint icon disappearance of electronic equipment are later than fingerprint and adopt
To scheme time point, electronic equipment acquires the first fingerprint image, then compared according to first icon and first fingerprint graph,
Determine first fingerprint image whether include first icon image information, if so, by the figure of first icon
As information is filtered from first fingerprint image, the second fingerprint image is obtained, according to second fingerprint image and prestored
Fingerprint template carries out fingerprint comparison, obtains comparison result.
S205, the electronic equipment execute respective operations according to the comparison result.
Wherein, the execution respective operations include that second fingerprint image carries out fingerprint authentication, are verified result
Implementation may is that the electronic equipment obtains the fingerprint template prestored；By second fingerprint image and the fingerprint mould
Plate is compared, and is verified result.Wherein, the fingerprint template refers to the number for preserving the reference finger information of user's finger
According to.
As can be seen that electronic equipment shows the first icon in the predeterminable area first, and detects in the embodiment of the present application
For the pressing operation of the predeterminable area；Secondly when detecting the pressing operation for the predeterminable area, acquisition first
Whether fingerprint image, and the detection pressing operation lift；Then according to first fingerprint image and first icon
Non- finger print information filtering is carried out, the second fingerprint image is obtained；It is carried out according to second fingerprint image and the fingerprint template prestored
Fingerprint comparison obtains comparison result；Respective operations are finally executed according to the comparison result.As it can be seen that in this example, electronic equipment
Non- finger print information filtering is carried out according to first fingerprint image and first icon, obtains the second fingerprint image, further according to
Second fingerprint image and the fingerprint template prestored carry out fingerprint comparison, avoid since the factors such as system Caton lead to first
The icon hiding time too late, so as to cause fingerprint authentication process the problem of refusing sincere rising, is mentioned by the filtering of non-finger print information
The high accuracy of fingerprint collecting, reduce fingerprint authentication process refuses sincere, is conducive to optimize fingerprint image processing, raising refers to
The high efficiency and accuracy of line verification process.
It is described that non-fingerprint letter is carried out according to first fingerprint image and first icon in a possible example
Breath filtering, obtains the second fingerprint image, comprising: electronic equipment obtains first icon；The electronic equipment is by described first
Icon is compared with first fingerprint graph, determine first fingerprint image whether include first icon image letter
Breath；If the image information of the electronic equipment including first icon, by the image information of first icon from described
It is filtered in first fingerprint image, obtains the second fingerprint image；If the electronic equipment not believe by the image including first icon
Breath, it is determined that first fingerprint image is the second fingerprint image.
Wherein, whether the determination first fingerprint image includes the image information of first icon including calculating correspondence
The similarity of the colouring information of pixel, then determine whether first fingerprint image includes first icon based on similarity
Image information.
In the specific implementation, electronic equipment obtains the first icon A, the first icon A and the first fingerprint graph B are compared,
It determines that B includes the image information of the A, then filters the image information of A from B, obtain the second fingerprint image C.
As it can be seen that whether the electronic equipment includes first figure by determining first fingerprint image in this example
Target image information carries out non-finger print information filtering to fingerprint image, is conducive to the accuracy for improving fingerprint authentication.
It is described that non-fingerprint letter is carried out according to first fingerprint image and first icon in a possible example
Breath filtering, obtains the second fingerprint image, comprising: electronic equipment is by the image information of first icon from first fingerprint image
It is filtered as in, obtains the second fingerprint image；The electronic equipment is before the predeterminable area shows the first icon, the method
Further include: the extinction time for the icon that the predeterminable area is shown is determined according to the history fingerprint image that the electronic equipment acquires
Point is later than fingerprint and adopts figure time point.
In the specific implementation, determining the extinction time of the first icon A according to the history fingerprint image that the electronic equipment acquires
Point is later than fingerprint and adopts figure time point, at this point, electronic equipment filters the image information of the first icon A from the first fingerprint image B,
Obtain the second fingerprint image C.
As it can be seen that in this example, when determining the disappearance of the first icon according to the history fingerprint image that the electronic equipment acquires
Between point be later than fingerprint and adopt figure time point, so that it is determined that the first fingerprint image includes the image information of the first icon, it is carried out non-
Finger print information filtering, improves the accuracy rate of fingerprint image acquisition.
In a possible example, the image information by first icon mistake from first fingerprint image
Filter, obtains the second fingerprint image, comprising: electronic equipment obtains first icon corresponding to the multiple of first fingerprint image
Pixel；The colouring information of the multiple pixel in first fingerprint image is updated to default people by the electronic equipment
Random value in hand colouring information set, obtains the second fingerprint image.
Wherein, including being acquired based on history, fingerprint image obtains the default manpower colouring information set or network pushes away
It send, the approach such as the latter's AI intelligence learning expansion obtain.
Wherein, the purpose of the random value is, pixel point color information is tied to a credibility interval, reduces noise
It influences.
In the specific implementation, including pixel color Y1, Y2, Y3, Y4 and Y5 in default manpower colouring information set.Electronics is set
Standby multiple pixel X1, X2, X3 for obtaining the first icon A and corresponding to the first fingerprint image B；The electronic equipment will
The colouring information of X1, X2, X3 randomly update to preset Y1, Y2, Y4 in manpower colouring information set, obtain the second fingerprint image
Picture.
As it can be seen that in this example, electronic equipment is by by the color of the multiple pixel in first fingerprint image
Information update is the random value in default manpower colouring information set, obtains the second fingerprint image, advantageously reduces predeterminable area
Influence of noise of the image information of icon to fingerprint image acquisition, while being conducive on the basis for the accuracy for guaranteeing fingerprint authentication
On, improve the convenience and high efficiency of fingerprint authentication.
In a possible example, the image information by first icon mistake from first fingerprint image
Filter, obtains the second fingerprint image, comprising: electronic equipment determines that first icon corresponds to the multiple of first fingerprint image
Pixel；The electronic equipment calculates the target of each pixel in the multiple pixel according to pre-set color calculation formula
Colouring information, the pre-set color calculation formula are as follows:Wherein Xk is k-th of pixel in multiple pixels
Point, n are the quantity of the neighbor pixel of pixel Xk, and f (Xk) indicates that the target color information of pixel Xk, aki indicate pixel
The weight of i-th of neighbor pixel in the neighbor pixel of point Xk, the neighbor pixel and pixel Xk include same edge or
Person's same vertices；The electronic equipment updates first fingerprint image according to the target color information of calculating, obtains the
Two fingerprint images.
Wherein, the weight can the influence size according to different zones to fingerprint image acquisition be divided into pure fingerprint region
Domain, noise integration region and background area, wherein pure finger-print region weight is maximum, and noise integration region is secondly, background area
It is minimum.
In the specific implementation, electronic equipment determines that the first icon A corresponds to multiple pixels of the first fingerprint image B
Point X1, X2, X3；According to pre-set color calculation formula, the target color information of each pixel in the multiple pixel is calculated,
Target color information Y1, Y2, Y3 are obtained, electronic equipment updates first fingerprint according to the target color information of calculating
Image obtains the second fingerprint image C.
As it can be seen that the electronic equipment calculates every in the multiple pixel according to pre-set color calculation formula in this example
The target color information of a pixel updates first fingerprint image further according to the target color information of calculating, obtains
Second fingerprint image is conducive to reduce influence of noise of the non-finger print information to fingerprint image acquisition, improves fingerprint image acquisition
Accuracy.
In a possible example, the image information by first icon mistake from first fingerprint image
Filter, obtains the second fingerprint image, comprising: electronic equipment determines that first icon corresponds to the multiple of first fingerprint image
Pixel and each pixel correspond to the reference color information of first icon；The electronic equipment is according to described every
The current color information of a pixel and the reference color information, determine the target color information of each pixel；Institute
It states electronic equipment and first fingerprint image is updated according to the determining target color information, obtain the second fingerprint image.
Wherein, the reference color information includes the colouring information of the first icon acquired when obtaining the first icon.
In the specific implementation, electronic equipment determines that the first icon A corresponds to multiple pixels of the first fingerprint image B
Point X1, X2, X3 and X1, X2, X3 correspond to reference color information Y1, Y2, Y3 of first icon；Electronic equipment according to
Current color information X1, X2, X3 of each pixel and described reference color information Y1, Y2, Y3, determine each picture
Target color information Z1, Z2, Z3 of vegetarian refreshments；Electronic equipment obtains second according to the first fingerprint image described in Z1, Z2, Z3 is updated
Fingerprint image.
As it can be seen that in this example, current color information and the reference color of the electronic equipment according to each pixel
Information determines the target color information of each pixel；The electronic equipment is according to the determining target color information
First fingerprint image is updated, the second fingerprint image is obtained, the second fingerprint image removes reference color information and eliminates first
The influence of icon, this example are conducive to more perfectly reduce influence of noise of the non-finger print information to fingerprint image acquisition, further
Improve the accuracy of fingerprint image acquisition.
In a possible example, the comparison result is to compare successful result；It is described to be held according to the comparison result
Row respective operations, comprising: electronic equipment executes unlocked by fingerprint according to the comparison successful result and operates；Alternatively, the electronics is set
It is standby that delivery operation is executed according to the comparison successful result；Alternatively, the electronic equipment is executed according to the comparison successful result
Application control operation.
Wherein, the control operation includes deleting application or starting application etc..
It is consistent with embodiment shown in above-mentioned Fig. 2 a, referring to Fig. 3, Fig. 3 is a kind of finger provided by the embodiments of the present application
The flow diagram of print image processing method, applied to electronic equipment as described in Figure 1, the display screen of the electronic equipment includes
For carrying out the predeterminable area of fingerprint recognition, the relatively described predeterminable area of the electronic equipment is provided with fingerprint mould group, as schemed institute
Show, this fingerprint image processing method includes:
S301, electronic equipment shows the first icon in the predeterminable area, and detects the pressing for being directed to the predeterminable area
Operation；
S302, the electronic equipment acquire the first fingerprint image when detecting the pressing operation for the predeterminable area
Whether picture, and the detection pressing operation lift；
S303, the electronic equipment obtain first icon；
S304, the electronic equipment compare first icon and first fingerprint graph, determine that described first refers to
Print image whether include first icon image information；
S305, if the electronic equipment includes the image information of first icon, by the image of first icon
Information is filtered from first fingerprint image, obtains the second fingerprint image；
S306, if the electronic equipment does not include the image information of first icon, it is determined that first fingerprint image
As being the second fingerprint image；
S307, the electronic equipment carry out fingerprint comparison according to second fingerprint image and the fingerprint template prestored, obtain
To comparison result；
S308, the electronic equipment execute respective operations according to the comparison result.
As can be seen that electronic equipment shows the first icon in the predeterminable area first, and detects in the embodiment of the present application
For the pressing operation of the predeterminable area；Secondly when detecting the pressing operation for the predeterminable area, acquisition first
Whether fingerprint image, and the detection pressing operation lift；Then according to first fingerprint image and first icon
Non- finger print information filtering is carried out, the second fingerprint image is obtained；It is carried out according to second fingerprint image and the fingerprint template prestored
Fingerprint comparison obtains comparison result；Respective operations are finally executed according to the comparison result.As it can be seen that in this example, electronic equipment
Non- finger print information filtering is carried out according to first fingerprint image and first icon, obtains the second fingerprint image, further according to
Second fingerprint image and the fingerprint template prestored carry out fingerprint comparison, avoid since the factors such as system Caton lead to first
The icon hiding time too late, so as to cause fingerprint authentication process the problem of refusing sincere rising, is mentioned by the filtering of non-finger print information
The high accuracy of fingerprint collecting, reduce fingerprint authentication process refuses sincere, is conducive to optimize fingerprint image processing, raising refers to
The high efficiency and accuracy of line verification process.
In addition, the electronic equipment by determine first fingerprint image whether include first icon image letter
Breath carries out non-finger print information filtering to fingerprint image, is conducive to the accuracy for improving fingerprint authentication.
It is consistent with embodiment shown in above-mentioned Fig. 2 a, referring to Fig. 4, Fig. 4 is a kind of finger provided by the embodiments of the present application
The flow diagram of print image processing method, is applied to electronic equipment, and the electronic equipment includes display screen and relative to described
The fingerprint mould group of the predeterminable area setting of display screen, as shown, this fingerprint image processing method includes:
S401, electronic equipment shows the first icon in the predeterminable area, and detects the pressing for being directed to the predeterminable area
Operation；
S402, the electronic equipment acquire the first fingerprint image when detecting the pressing operation for the predeterminable area
Whether picture, and the detection pressing operation lift；
S403, the electronic equipment obtain first icon；
S404, the electronic equipment compare first icon and first fingerprint graph, determine that described first refers to
Print image whether include first icon image information；
S405, the electronic equipment include the image information of first icon, obtain first icon and correspond to institute
State multiple pixels of the first fingerprint image；
The colouring information of the multiple pixel in first fingerprint image is updated to default manpower color by S406
Random value in information aggregate obtains the second fingerprint image；
S407, the electronic equipment carry out fingerprint comparison according to second fingerprint image and the fingerprint template prestored, obtain
To comparison result；
S408, the electronic equipment execute respective operations according to the comparison result.
As can be seen that electronic equipment shows the first icon in the predeterminable area first, and detects in the embodiment of the present application
For the pressing operation of the predeterminable area；Secondly when detecting the pressing operation for the predeterminable area, acquisition first
Whether fingerprint image, and the detection pressing operation lift；Then according to first fingerprint image and first icon
Non- finger print information filtering is carried out, the second fingerprint image is obtained；It is carried out according to second fingerprint image and the fingerprint template prestored
Fingerprint comparison obtains comparison result；Respective operations are finally executed according to the comparison result.As it can be seen that in this example, electronic equipment
Non- finger print information filtering is carried out according to first fingerprint image and first icon, obtains the second fingerprint image, further according to
Second fingerprint image and the fingerprint template prestored carry out fingerprint comparison, avoid since the factors such as system Caton lead to first
The icon hiding time too late, so as to cause fingerprint authentication process the problem of refusing sincere rising, is mentioned by the filtering of non-finger print information
The high accuracy of fingerprint collecting, reduce fingerprint authentication process refuses sincere, is conducive to optimize fingerprint image processing, raising refers to
The high efficiency and accuracy of line verification process.
In addition, electronic equipment is by the way that the colouring information of the multiple pixel in first fingerprint image to be updated to
Random value in default manpower colouring information set, obtains the second fingerprint image, advantageously reduces the image of predeterminable area icon
Influence of noise of the information to fingerprint image acquisition, while being conducive on the basis of guaranteeing the accuracy of fingerprint authentication, raising refers to
The convenience and high efficiency of line verifying.
It is consistent with above-mentioned Fig. 2 a, Fig. 3, embodiment shown in Fig. 4, referring to Fig. 5, Fig. 5 is that the embodiment of the present application provides
A kind of electronic equipment 500 structural schematic diagram, as shown, the display screen of the electronic equipment 500 includes for being referred to
The predeterminable area of line identification, it further includes application processor that the relatively described predeterminable area of the electronic equipment, which is provided with fingerprint mould group,
510, memory 520, communication interface 530 and one or more programs 521, wherein one or more of programs 521 are deposited
Storage is configured to be executed by above-mentioned application processor 510 in above-mentioned memory 520, and one or more of programs 521 are wrapped
Include the instruction for executing following steps；
The first icon is shown in the predeterminable area, and detects the pressing operation for being directed to the predeterminable area；
When detecting the pressing operation for the predeterminable area, the first fingerprint image is acquired, and press described in detection
Whether press operation lifts；
Non- finger print information filtering is carried out according to first fingerprint image and first icon, obtains the second fingerprint image
Picture；
Fingerprint comparison is carried out according to second fingerprint image and the fingerprint template prestored, obtains comparison result；
Respective operations are executed according to the comparison result.
As can be seen that electronic equipment shows the first icon in the predeterminable area first, and detects in the embodiment of the present application
For the pressing operation of the predeterminable area；Secondly when detecting the pressing operation for the predeterminable area, acquisition first
Whether fingerprint image, and the detection pressing operation lift；Then according to first fingerprint image and first icon
Non- finger print information filtering is carried out, the second fingerprint image is obtained；It is carried out according to second fingerprint image and the fingerprint template prestored
Fingerprint comparison obtains comparison result；Respective operations are finally executed according to the comparison result.As it can be seen that in this example, electronic equipment
Non- finger print information filtering is carried out according to first fingerprint image and first icon, obtains the second fingerprint image, further according to
Second fingerprint image and the fingerprint template prestored carry out fingerprint comparison, avoid since the factors such as system Caton lead to first
The icon hiding time too late, so as to cause fingerprint authentication process the problem of refusing sincere rising, is mentioned by the filtering of non-finger print information
The high accuracy of fingerprint collecting, reduce fingerprint authentication process refuses sincere, is conducive to optimize fingerprint image processing, raising refers to
The high efficiency and accuracy of line verification process.
It is described that non-fingerprint letter is carried out according to first fingerprint image and first icon in a possible example
Breath filtering, obtains the second fingerprint image, and the instruction in described program 521 is specifically used for executing following operation: obtaining described first
Icon；First icon and first fingerprint graph are compared, determine whether first fingerprint image includes described
The image information of one icon；If so, the image information of first icon is filtered from first fingerprint image, obtain
Second fingerprint image；If not, it is determined that first fingerprint image is the second fingerprint image.
It is described that non-fingerprint letter is carried out according to first fingerprint image and first icon in a possible example
Breath filtering, obtains the second fingerprint image, and the instruction in described program 521 is specifically used for executing following operation: by first figure
Target image information is filtered from first fingerprint image, obtains the second fingerprint image；It is described to be shown in the predeterminable area
Before first icon, the instruction in the method also described program 521 is specifically used for executing following operation: being set according to the electronics
The history fingerprint image of standby acquisition determines that the extinction time point for the icon that the predeterminable area is shown is later than fingerprint and adopts figure time point.
In a possible example, the image information by first icon mistake from first fingerprint image
Filter, obtains the second fingerprint image, and the instruction in described program 521 is specifically used for executing following operation: obtaining first icon
Multiple pixels corresponding to first fingerprint image；By the color of the multiple pixel in first fingerprint image
Information update is the random value in default manpower colouring information set, obtains the second fingerprint image.
In a possible example, the image information by first icon mistake from first fingerprint image
Filter, obtains the second fingerprint image, and the instruction in described program 521 is specifically used for executing following operation: determining first icon
Multiple pixels corresponding to first fingerprint image；According to pre-set color calculation formula, calculate in the multiple pixel
The target color information of each pixel, the pre-set color calculation formula are as follows:Wherein Xk is multiple pixels
K-th of pixel in point, n are the quantity of the neighbor pixel of pixel Xk, and f (Xk) indicates the color of object letter of pixel Xk
Breath, aki indicate the weight of i-th of neighbor pixel in the neighbor pixel of pixel Xk, the neighbor pixel and pixel
Xk includes same edge or same vertices；First fingerprint image is updated according to the target color information of calculating, is obtained
Second fingerprint image.
In a possible example, the image information by first icon mistake from first fingerprint image
Filter, obtains the second fingerprint image, and the instruction in described program 521 is specifically used for executing following operation: determining first icon
Correspond to the reference color of first icon corresponding to multiple pixels of first fingerprint image and each pixel
Information；According to the current color information of each pixel and the reference color information, each pixel is determined
Target color information；First fingerprint image is updated according to the determining target color information, obtains the second fingerprint image.
In a possible example, the comparison result is to compare successful result；It is described to be held according to the comparison result
Row respective operations, the instruction in described program 521 are specifically used for executing following operation: being executed and referred to according to the comparisons successful result
Line unlock operation；Alternatively, executing delivery operation according to the comparison successful result；Alternatively, being held according to the comparison successful result
Row application control operation.
It is above-mentioned that mainly the scheme of the embodiment of the present application is described from the angle of method side implementation procedure.It is understood that
, in order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or software mould for electronic equipment
Block.Those skilled in the art should be readily appreciated that, in conjunction with each exemplary unit of embodiment description presented herein
And algorithm steps, the application can be realized with the combining form of hardware or hardware and computer software.Some function actually with
Hardware or computer software drive the mode of hardware to execute, the specific application and design constraint item depending on technical solution
Part.Professional technician can specifically realize described function to each using distinct methods, but this reality
Now it is not considered that exceeding scope of the present application.
The embodiment of the present application can carry out the division of functional unit according to above method example to electronic equipment, for example, can
With each functional unit of each function division of correspondence, two or more functions can also be integrated in a processing unit
In.Above-mentioned integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.It needs
It is noted that be schematical, only a kind of logical function partition to the division of unit in the embodiment of the present application, it is practical real
It is current that there may be another division manner.
Fig. 6 is the functional unit composition block diagram of fingerprint image processing unit 600 involved in the embodiment of the present application.This refers to
Print image processing unit 600 is applied to electronic equipment, and the display screen of the electronic equipment includes for carrying out the pre- of fingerprint recognition
If region, the relatively described predeterminable area of the electronic equipment is provided with fingerprint mould group, and the fingerprint image processing unit includes place
Manage unit 601 and communication unit 602, wherein
The processing unit 601 for showing the first icon in the predeterminable area, and detects and is directed to the predeterminable area
Pressing operation；And for when detecting the pressing operation for the predeterminable area, acquiring the first fingerprint image, and
Detect whether the pressing operation lifts；And for carrying out non-fingerprint according to first fingerprint image and first icon
Information filtering obtains the second fingerprint image；And for being referred to according to second fingerprint image and the fingerprint template prestored
Line compares, and obtains comparison result；And for executing respective operations according to the comparison result.
Wherein, the fingerprint image processing unit 600 can also include storage unit 603, for storing electronic equipment
Program code and data.The processing unit 601 can be processor, and the communication unit 602 can be internal communications interface,
Storage unit 603 can be memory.
As can be seen that electronic equipment shows the first icon in the predeterminable area first, and detects in the embodiment of the present application
For the pressing operation of the predeterminable area；Secondly when detecting the pressing operation for the predeterminable area, acquisition first
Whether fingerprint image, and the detection pressing operation lift；Then according to first fingerprint image and first icon
Non- finger print information filtering is carried out, the second fingerprint image is obtained；It is carried out according to second fingerprint image and the fingerprint template prestored
Fingerprint comparison obtains comparison result；Respective operations are finally executed according to the comparison result.As it can be seen that in this example, electronic equipment
Non- finger print information filtering is carried out according to first fingerprint image and first icon, obtains the second fingerprint image, further according to
Second fingerprint image and the fingerprint template prestored carry out fingerprint comparison, avoid since the factors such as system Caton lead to first
The icon hiding time too late, so as to cause fingerprint authentication process the problem of refusing sincere rising, is mentioned by the filtering of non-finger print information
The high accuracy of fingerprint collecting, reduce fingerprint authentication process refuses sincere, is conducive to optimize fingerprint image processing, raising refers to
The high efficiency and accuracy of line verification process.
It is described that non-fingerprint letter is carried out according to first fingerprint image and first icon in a possible example
Breath filtering, obtains the second fingerprint image, the processing unit 601 is specifically used for: obtaining first icon；By first figure
Mark compared with first fingerprint graph, determine first fingerprint image whether include first icon image information；
If so, the image information of first icon is filtered from first fingerprint image, the second fingerprint image is obtained；If
It is no, it is determined that first fingerprint image is the second fingerprint image.
It is described that non-fingerprint letter is carried out according to first fingerprint image and first icon in a possible example
Breath filtering, obtains the second fingerprint image, the processing unit 601 is specifically used for: by the image information of first icon from institute
It states and is filtered in the first fingerprint image, obtain the second fingerprint image；It is described before the predeterminable area shows the first icon, it is described
The also described processing unit 601 of method is specifically used for: being determined according to the history fingerprint image that the electronic equipment acquires described default
The extinction time point for the icon that region is shown is later than fingerprint and adopts figure time point.
In a possible example, the image information by first icon mistake from first fingerprint image
Filter, obtains the second fingerprint image, the processing unit 601 is specifically used for: obtaining first icon and corresponds to first finger
Multiple pixels of print image；The colouring information of the multiple pixel in first fingerprint image is updated to default people
Random value in hand colouring information set, obtains the second fingerprint image.
In a possible example, the image information by first icon mistake from first fingerprint image
Filter, obtains the second fingerprint image, the processing unit 601 is specifically used for: determining that first icon corresponds to described first and refers to
Multiple pixels of print image；According to pre-set color calculation formula, the target of each pixel in the multiple pixel is calculated
Colouring information, the pre-set color calculation formula are as follows:Wherein Xk is k-th of pixel in multiple pixels
Point, n are the quantity of the neighbor pixel of pixel Xk, and f (Xk) indicates that the target color information of pixel Xk, aki indicate pixel
The weight of i-th of neighbor pixel in the neighbor pixel of point Xk, the neighbor pixel and pixel Xk include same edge or
Person's same vertices；First fingerprint image is updated according to the target color information of calculating, obtains the second fingerprint image.
In a possible example, the image information by first icon mistake from first fingerprint image
Filter, obtains the second fingerprint image, the processing unit 601 is specifically used for: determining that first icon corresponds to described first and refers to
The multiple pixels and each pixel of print image correspond to the reference color information of first icon；According to described every
The current color information of a pixel and the reference color information, determine the target color information of each pixel；Root
First fingerprint image is updated according to the determining target color information, obtains the second fingerprint image.
In a possible example, the comparison result is to compare successful result；It is described to be held according to the comparison result
Row respective operations, the processing unit 601 are specifically used for: executing unlocked by fingerprint operation according to the comparison successful result；Alternatively,
Delivery operation is executed according to the comparison successful result；Alternatively, executing application control operation according to the comparison successful result.
The embodiment of the present application also provides a kind of computer storage medium, wherein computer storage medium storage is for electricity
The computer program of subdata exchange, the computer program make computer execute any as recorded in above method embodiment
Some or all of method step, above-mentioned computer include electronic equipment.
The embodiment of the present application also provides a kind of computer program product, and above-mentioned computer program product includes storing calculating
The non-transient computer readable storage medium of machine program, above-mentioned computer program are operable to that computer is made to execute such as above-mentioned side
Some or all of either record method step in method embodiment.The computer program product can be a software installation
Packet, above-mentioned computer includes electronic equipment.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the application is not limited by the described action sequence because
According to the application, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, related actions and modules not necessarily the application
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of said units, it is only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical or other forms.
Above-mentioned 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, each functional unit in each embodiment of the application can integrate in 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 above-mentioned integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer-readable access to memory.Based on this understanding, the technical solution of the application substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of each embodiment above method of the application
Step.And memory above-mentioned includes: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), mobile hard disk, magnetic or disk.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in a computer-readable memory, memory
May include: flash disk, read-only memory (English: Read-Only Memory, referred to as: ROM), random access device (English:
Random Access Memory, referred to as: RAM), disk or CD etc..
The embodiment of the present application is described in detail above, specific case used herein to the principle of the application and
Embodiment is expounded, the description of the example is only used to help understand the method for the present application and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the application
There is change place, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (10)
1. a kind of fingerprint image processing method, which is characterized in that be applied to electronic equipment, the display screen of the electronic equipment includes
For carrying out the predeterminable area of fingerprint recognition, the relatively described predeterminable area of the electronic equipment is provided with fingerprint mould group, the side
Method includes:
The first icon is shown in the predeterminable area, and detects the pressing operation for being directed to the predeterminable area；
When detecting the pressing operation for the predeterminable area, the first fingerprint image, and the detection pressing behaviour are acquired
Whether lift；
Non- finger print information filtering is carried out according to first fingerprint image and first icon, obtains the second fingerprint image；
Fingerprint comparison is carried out according to second fingerprint image and the fingerprint template prestored, obtains comparison result；
Respective operations are executed according to the comparison result.
2. the method according to claim 1, wherein described according to first fingerprint image and first figure
Mark carries out non-finger print information filtering, obtains the second fingerprint image, comprising:
Obtain first icon；
First icon and first fingerprint graph are compared, determine whether first fingerprint image includes described first
The image information of icon；
If so, the image information of first icon is filtered from first fingerprint image, the second fingerprint image is obtained；
If not, it is determined that first fingerprint image is the second fingerprint image.
3. the method according to claim 1, wherein described according to first fingerprint image and first figure
Mark carries out non-finger print information filtering, obtains the second fingerprint image, comprising:
The image information of first icon is filtered from first fingerprint image, obtains the second fingerprint image；
It is described before the predeterminable area shows the first icon, the method also includes:
The extinction time point for the icon that the predeterminable area is shown is determined according to the history fingerprint image that the electronic equipment acquires
It is later than fingerprint and adopts figure time point.
4. according to the method in claim 2 or 3, which is characterized in that the image information by first icon is from institute
It states and is filtered in the first fingerprint image, obtain the second fingerprint image, comprising:
Obtain multiple pixels that first icon corresponds to first fingerprint image；
The colouring information of the multiple pixel in first fingerprint image is updated to default manpower colouring information set
In random value, obtain the second fingerprint image.
5. according to the method in claim 2 or 3, which is characterized in that the image information by first icon is from institute
It states and is filtered in the first fingerprint image, obtain the second fingerprint image, comprising:
Determine that first icon corresponds to multiple pixels of first fingerprint image；
According to pre-set color calculation formula, the target color information of each pixel in the multiple pixel is calculated, it is described pre-
If color calculation formula are as follows:Wherein Xk is k-th of pixel in multiple pixels, and n is pixel Xk's
The quantity of neighbor pixel, f (Xk) indicate that the target color information of pixel Xk, aki indicate the neighbor pixel of pixel Xk
In i-th of neighbor pixel weight, the neighbor pixel and pixel Xk include same edge or same vertices；
First fingerprint image is updated according to the target color information of calculating, obtains the second fingerprint image.
6. according to the method in claim 2 or 3, which is characterized in that the image information by first icon is from institute
It states and is filtered in the first fingerprint image, obtain the second fingerprint image, comprising:
Determine that first icon corresponds to multiple pixels of first fingerprint image and each pixel corresponds to institute
State the reference color information of the first icon；
According to the current color information of each pixel and the reference color information, the mesh of each pixel is determined
Mark colouring information；
First fingerprint image is updated according to the determining target color information, obtains the second fingerprint image.
7. method according to claim 1-6, which is characterized in that the comparison result is to compare successful result；
It is described that respective operations are executed according to the comparison result, comprising:
Unlocked by fingerprint operation is executed according to the comparison successful result；Alternatively,
Delivery operation is executed according to the comparison successful result；Alternatively,
Application control operation is executed according to the comparison successful result.
8. a kind of fingerprint image processing unit, which is characterized in that be applied to electronic equipment, the display screen of the electronic equipment includes
For carrying out the predeterminable area of fingerprint recognition, the relatively described predeterminable area of the electronic equipment is provided with fingerprint mould group；The finger
Print image processing unit includes processing unit and communication unit, wherein
The processing unit for showing the first icon in the predeterminable area, and detects the pressing for being directed to the predeterminable area
Operation；And for when detecting the pressing operation for the predeterminable area, acquiring the first fingerprint image, and detection institute
State whether pressing operation lifts；And for carrying out non-finger print information mistake according to first fingerprint image and first icon
Filter, obtains the second fingerprint image；And for carrying out fingerprint comparison according to second fingerprint image and the fingerprint template prestored,
Obtain comparison result；And for executing respective operations according to the comparison result.
9. a kind of electronic equipment, which is characterized in that including processor, memory, communication interface, and one or more programs,
One or more of programs are stored in the memory, and are configured to be executed by the processor, described program packet
Include the instruction for executing the step in the method according to claim 1 to 7.
10. a kind of computer readable storage medium, which is characterized in that storage is used for the computer program of electronic data interchange,
In, the computer program makes computer execute the method according to claim 1 to 7.
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| CN201910244793.4A CN109976615B (en) | 2019-03-28 | 2019-03-28 | Fingerprint image processing method and related device |
| PCT/CN2020/080061 WO2020192532A1 (en) | 2019-03-28 | 2020-03-18 | Fingerprint image processing method and related apparatus |
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