CN109886162A - Fingerprint authentication method and relevant apparatus - Google Patents
Fingerprint authentication method and relevant apparatus Download PDFInfo
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- CN109886162A CN109886162A CN201910092707.2A CN201910092707A CN109886162A CN 109886162 A CN109886162 A CN 109886162A CN 201910092707 A CN201910092707 A CN 201910092707A CN 109886162 A CN109886162 A CN 109886162A
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- 238000000034 method Methods 0.000 title claims abstract description 67
- 238000001914 filtration Methods 0.000 claims abstract description 60
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims description 21
- 230000006870 function Effects 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 15
- 238000004590 computer program Methods 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 9
- 239000000284 extract Substances 0.000 claims description 3
- 238000013497 data interchange Methods 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
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- 235000008434 ginseng Nutrition 0.000 description 2
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- 238000005192 partition Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- 238000003909 pattern recognition Methods 0.000 description 1
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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
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/30—Noise filtering
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Abstract
The embodiment of the present application discloses a kind of fingerprint authentication method and relevant apparatus, applied to electronic equipment, electronic equipment includes fingerprint mould group under the screen that display screen and the predeterminable area relative to display screen are arranged, method includes: when detecting fingerprint authentication request, for the pressing operation of the fingerprint identification region of electronic equipment, fingerprint identification region includes predeterminable area for detection;When detecting the pressing operation for fingerprint identification region, the first fingerprint image is acquired by shielding lower fingerprint mould group;At the end of detecting pressing operation, at least first screen picture is acquired by shielding lower fingerprint mould group;The second fingerprint image after generating filtering noise information according at least first screen picture and the first fingerprint image, noise information includes the spot and/or foreign matter of fingerprint identification region;Fingerprint authentication is carried out by the second fingerprint image, is verified result.The embodiment of the present application is conducive to improve the accuracy that electronic equipment carries out fingerprint authentication, and reduction fingerprint is refused sincere.
Description
Technical field
This application involves technical field of electronic equipment, and in particular to a kind of fingerprint authentication 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.If fingerprint device (conventional condenser fingerprint) or screen have on (shielding lower fingerprint) it is dirty or
Person's foreign matter, there is very that maximum probability is taken as finger print information and is collected into fingerprint adopting in figure, as the comparison with fingerprint template, fingerprint at this time
Refusing for unlocking process sincere (False Rejection Rate, FRR) will obviously rise.
Summary of the invention
The embodiment of the present application provides a kind of fingerprint authentication method and relevant apparatus, carries out fingerprint to improve electronic equipment
The accuracy of verifying, reduction fingerprint are refused sincere.
In a first aspect, the embodiment of the present application provides a kind of fingerprint authentication method, it is applied to electronic equipment, the electronic equipment
Fingerprint mould group under the screen that predeterminable area including display screen and relative to the display screen is arranged, which comprises
When detecting fingerprint authentication request, detection is directed to the pressing operation of the fingerprint identification region of the electronic equipment,
The fingerprint identification region includes the predeterminable area;
When detecting the pressing operation for the fingerprint identification region, pass through fingerprint mould group acquisition first under the screen
Fingerprint image;
At the end of detecting the pressing operation, at least first screen map is acquired by fingerprint mould group under the screen
Picture;
The after filtering noise information is generated according at least first screen picture and first fingerprint image
Two fingerprint images, the noise information include the spot and/or foreign matter of the fingerprint identification region;
Fingerprint authentication is carried out by second fingerprint image, is verified result.
Second aspect, the embodiment of the present application provide a kind of fingerprint verifying apparatus, are applied to electronic equipment, the electronic equipment
Fingerprint mould group under the screen that predeterminable area including display screen and relative to the display screen is arranged, described device includes processing unit
And communication unit, wherein
The processing unit, for being directed to by communication unit detection described when detecting fingerprint authentication request
The pressing operation of the fingerprint identification region of electronic equipment, the fingerprint identification region include the predeterminable area;And it is used for
When detecting the pressing operation for the fingerprint identification region, the first fingerprint image is acquired by fingerprint mould group under the screen;
And for acquiring at least first screen map by fingerprint mould group under the screen at the end of detecting the pressing operation
Picture;And for generating filtering noise information according at least first screen picture and first fingerprint image after
Second fingerprint image, the noise information include the spot and/or foreign matter of the fingerprint identification region;And for by described
Second fingerprint image carries out fingerprint authentication, is verified 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 includes that display screen and the predeterminable area relative to display screen are set in the embodiment of the present application
Fingerprint mould group under the screen set, for electronic equipment when detecting fingerprint authentication request, detection is directed to the fingerprint identification area of electronic equipment
The pressing operation in domain, fingerprint identification region include predeterminable area;When detecting the pressing operation for fingerprint identification region, lead to
It crosses the lower fingerprint mould group of screen and acquires the first fingerprint image;At the end of detecting pressing operation, by shield lower fingerprint mould group acquire to
Few first screen picture;After generating filtering noise information according at least first screen picture and the first fingerprint image
Second fingerprint image, noise information include the spot and/or foreign matter of fingerprint identification region;Fingerprint is carried out by the second fingerprint image
Verifying, is verified result.As it can be seen that electronic equipment can still can carry out adopting figure at the time of no fingerprint presses, when obtaining
After taking the non-finger print information (spot or foreign matter) on screen, then such noise information is adopted in figure from fingerprint when pressing and is filtered
Fall, to be obviously improved the quality that fingerprint adopts figure, and will not having to explicitly influence (user's unaware) fingerprint authentication process, be conducive to
The accuracy that electronic equipment carries out fingerprint authentication is improved, reduction fingerprint is refused sincere.
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 authentication method provided by the embodiments of the present application;
Fig. 2 b 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 authentication method provided by the embodiments of the present application;
Fig. 4 is the flow diagram of another fingerprint authentication 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 verifying apparatus 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.Such as Fig. 1 institute
Show, Fig. 1 is the schematic diagram that an electronic equipment 101 acquires fingerprint, and the electronic equipment 101 is including display screen 102 and relative to institute
Stating fingerprint mould group 104,105 under the screen of the setting of predeterminable area 103 of display screen 102 is fingerprint enlarged drawing, works as user's finger contacts
When screen, the light that display screen 102 issues penetrates cover board and illuminates fingerprint texture, forms fingerprint light film, and fingerprint is by reflection light
Fingerprint mould group is returned to, fingerprint image is ultimately formed.Electronic equipment involved by the embodiment of the present application, which can be, to be had under screen
The electronic equipment of fingerprint mould group, the electronic equipment may include the various handheld devices with wireless communication function, mobile unit,
Wearable device calculates equipment or is connected to other processing equipments of radio modem and various forms of users set
Standby (User Equipment, UE), mobile station (Mobile Station, MS), terminal device (terminal device) etc.
Deng.
Currently, on mobile phone screen if any spot perhaps foreign matter mobile phone have very maximum probability by the spot or foreign matter as referring to
Line information is collected into final fingerprint image, when doing fingerprint authentication, is refused sincere FRR and is had apparent raising.Based on this, originally
Application embodiment proposes that a kind of fingerprint authentication method to solve the above problems, below describes to the embodiment of the present application 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 authentication method, application
In electronic equipment, the electronic equipment includes fingerprint mould under the screen that display screen and the predeterminable area relative to the display screen are arranged
Group, as shown, this fingerprint authentication method includes:
S201, for electronic equipment when detecting fingerprint authentication request, detection is directed to the fingerprint identification area of the electronic equipment
The pressing operation in domain, the fingerprint identification region include the predeterminable area;
Wherein, the predeterminable area projection of plane locating for the sampling end of fingerprint mould group and sampling end weight under screen
It closes, the fingerprint identification region can be round, rectangular, irregular shape etc., not do unique restriction herein.
In the specific implementation, the electronic equipment can be highlighted fingerprint identification area when detecting fingerprint authentication request
To prompt user's finger pressing position, display effect can be dynamic change or changeless in domain, not do unique limit herein
It is fixed.
S202, the electronic equipment pass through the screen when detecting the pressing operation for the fingerprint identification region
Lower fingerprint mould group acquires the first fingerprint image;
S203, the electronic equipment are acquired at the end of detecting the pressing operation by fingerprint mould group under the screen
At least first screen picture;
Wherein, the pressing operation terminates corresponding user's finger and lifts process, and electronic equipment can terminate in pressing operation
Preset period of time in (such as 100ms) acquire one or continuous acquisition multiple first screen pictures.
S204, the electronic equipment were generated according at least first screen picture and first fingerprint image
The second fingerprint image after noise filtering information, the noise information include the spot and/or foreign matter of the fingerprint identification region;
Wherein, image acquisition process exemplary diagram as shown in Figure 2 b, the fingerprint identification region of electronic equipment have spot, electronics
Equipment acquires the first fingerprint image and screen picture, is then generated according to the first fingerprint image and screen picture after removing the spot
The second fingerprint image.
In the specific implementation, the electronic equipment is according at least first screen picture and first fingerprint image
The implementation of the second fingerprint image after generating filtering noise information may is that the electronic equipment according at least one described
First screen picture generates the reference picture for filtering noise information;First fingerprint image is filtered according to the reference picture
Noise information as in, obtains the second fingerprint image.As it can be seen that electronic equipment can acquire screen picture and make an uproar in this example
Acoustic intelligence filtering is conducive to the accuracy for improving fingerprint authentication.
It is understood that the electronic equipment was used for noise filtering according at least the first screen picture generation
The specific implementation of the reference picture of information can be diversified, not do unique restriction herein.
For example, at least first screen picture includes multiple;At least first screen according to
Curtain image is generated may is that described in the electronic equipment extraction for filtering the specific implementation of the reference picture of noise information
Reference noise information in multiple first screen pictures in every first screen picture;Multiple first screens according to extraction
The corresponding multiple reference noise information of image generate target noise information;According to the target noise information and any one first
Screen picture generates the reference picture for filtering noise information.As it can be seen that electronic equipment is directed to every screen picture in this example
Noise information analyze and count, finally integrate multiple reference noise information and generate target noise information, to avoid accidentally adopting
Collection or misrecognition improve noise information and acquire accuracy, to guarantee fingerprint authentication accuracy.
Again for example, at least first screen picture includes multiple;It is described at least one first according to
Screen picture, which is generated, may also is that the electronic equipment calculates for filtering the specific implementation of the reference picture of noise information
The mean value image of multiple first screen pictures;Determine that the mean value image is the reference picture for filtering noise information.
As it can be seen that electronic equipment merges multiple screen pictures and carries out mean value computation in this example, avoids accidentally acquiring or misidentifying, improve
Noise information acquires accuracy, to guarantee fingerprint authentication accuracy.
Again for example, at least first screen picture includes multiple;It is described at least one first according to
Screen picture, which is generated, may also is that the electronic equipment determines for filtering the specific implementation of the reference picture of noise information
One first screen picture is the reference picture for filtering noise information.As it can be seen that electronic equipment only acquires in this example
Individual screen picture, quick efficiency real-time are high.
S205, the electronic equipment carry out fingerprint authentication by second fingerprint image, are verified result.
In the specific implementation, the electronic equipment carries out fingerprint authentication by second fingerprint image, it is verified result
Implementation may is that the electronic equipment obtains the fingerprint template prestored;By second fingerprint image and the fingerprint
Template is compared, and is verified result.Wherein, the fingerprint template refers to the reference finger information for preserving user's finger
Data.As it can be seen that electronic equipment can improve fingerprint authentication by the second fingerprint image of template matching fast verification in this example
Efficiency.
Wherein, the fingerprint template can be what the electronic equipment was obtained by executing following operation: the electronics is set
It is standby to show that fingerprint typing set interface, the fingerprint typing set interface include that addition fingerprint function is pressed in the display screen
Button;When detecting the selection operation for the addition fingerprint function button, at least by fingerprint mould group acquisition under the screen
One user's finger does not press the screen picture in the case of fingerprint identification region, and the fingerprint identification region includes the preset areas
Domain;It shows that fingerprint typing guides interface in the display screen, and user's finger pressing is acquired by fingerprint mould group under the screen
Multiple third fingerprint images in the case of the predeterminable area;According at least second screen picture and it is described multiple
Three fingerprint images generate fingerprint template to complete fingerprint Input Process.As it can be seen that in this example, the preparatory typing fingerprint of electronic equipment
In template procedure, the noise information on screen is filtered out by the empty screen picture of acquisition, so that it is accurate to improve fingerprint template typing
Degree.As it can be seen that in this example, electronic equipment can first acquire user's finger and not press screen map in the case of fingerprint identification region
Picture, and multiple fingerprint images for merging subsequent acquisition generate fingerprint template, since the screen picture acquired in real time can be really anti-
The clean conditions of screen in this fingerprint Input Process are reflected, so electronic equipment can filter the noise of screen by screen picture
The accuracy of the fingerprint typing of electronic equipment so can be improved in factor, and reduce fingerprint recognition refuses sincere FRR.
Wherein, the electronic equipment generates fingerprint according to an at least screen picture and multiple described fingerprint images
Template is to complete fingerprint Input Process, comprising: the electronic equipment is generated according to an at least screen picture for filtering
The reference picture of noise information;The noise letter of every fingerprint image in multiple described fingerprint images is filtered according to the reference picture
Breath, obtains reference fingerprint image;According to multiple reference fingerprint images and preset fingerprint template algorithm after filtering noise information
Generate fingerprint template.As it can be seen that electronic equipment can acquire in advance multiple screen maps before user presses screen in this example
As to accurately calculate the noise factor of screen, and filtering this in acquisition fingerprinting process and making an uproar accurately to determine screen state
Sound factor improves fingerprint typing accuracy.
Wherein, the electronic equipment is according to multiple reference fingerprint images and preset fingerprint template after filtering noise information
Algorithm generates fingerprint template, comprising: the electronic equipment after filtering noise information described in mention in multiple reference fingerprint images
The characteristic point information of print;The characteristic point information is handled to obtain standard by preset fingerprint feature extraction algorithm and is referred to
Line characteristic;Fingerprint template is generated according to the standard fingerprint characteristic data.As it can be seen that electronic equipment is obtaining in this example
After multiple reference fingerprint images after to filtering noise factor, the characteristic point of every image can be extracted, and according to preset fingerprint
Feature extraction algorithm handles to obtain fingerprint template, improves accuracy and efficiency that electronic equipment carries out fingerprint template generation.
Wherein, the electronic equipment is according to multiple reference fingerprint images and preset fingerprint template after filtering noise information
Algorithm generates fingerprint template, comprising: it is multiple images set that the electronic equipment, which divides multiple described reference fingerprint images, each
Image collection includes a reference fingerprint image or at least two reference fingerprint images, at least two reference fingerprint images
Similarity be greater than the first preset threshold, the similarity of the reference fingerprint image in any two image collection is default less than second
Threshold value;The multiimage in described multiple images set is deleted, so that each image collection only retains a reference fingerprint image;
Extract the characteristic point information of a reference fingerprint image for the reservation of each image collection;According to multiple figures of extraction
Image set closes corresponding characteristic point information and generates standard fingerprint characteristic data;Fingerprint mould is generated according to the standard fingerprint characteristic data
Plate.As it can be seen that electronic equipment is directed to the fingerprint image of repeated acquisition in this example, it can be fast by grouping mechanism and duplicate removal mechanism
Speed determines candidate fingerprint image, and the characteristic point information for the image that takes the fingerprint ultimately generates fingerprint template, is conducive to improve electronics
The efficiency and accuracy of equipment progress fingerprint template typing.
Wherein, the electronic equipment filters in multiple described fingerprint images every fingerprint image according to the reference picture
Noise information obtains reference fingerprint image, comprising: the electronic equipment will be in the reference picture and multiple described fingerprint images
Every fingerprint image carries out image characteristic point comparison, determines noise image characteristic point and background image feature point;According to the back
Scape image characteristic point and the noise image characteristic point update every fingerprint image and obtain reference fingerprint image.As it can be seen that this
In example, the filter that electronic equipment could compare by characteristic point and update quick execution fingerprint image is made an uproar, and improves fingerprint typing effect
Rate.
As can be seen that electronic equipment includes that display screen and the predeterminable area relative to display screen are set in the embodiment of the present application
Fingerprint mould group under the screen set, for electronic equipment when detecting fingerprint authentication request, detection is directed to the fingerprint identification area of electronic equipment
The pressing operation in domain, fingerprint identification region include predeterminable area;When detecting the pressing operation for fingerprint identification region, lead to
It crosses the lower fingerprint mould group of screen and acquires the first fingerprint image;At the end of detecting pressing operation, by shield lower fingerprint mould group acquire to
Few first screen picture;After generating filtering noise information according at least first screen picture and the first fingerprint image
Second fingerprint image, noise information include the spot and/or foreign matter of fingerprint identification region;Fingerprint is carried out by the second fingerprint image
Verifying, is verified result.As it can be seen that electronic equipment can still can carry out adopting figure at the time of no fingerprint presses, when obtaining
After taking the non-finger print information (spot or foreign matter) on screen, then such noise information is adopted in figure from fingerprint when pressing and is filtered
Fall, to be obviously improved the quality that fingerprint adopts figure, and will not having to explicitly influence (user's unaware) fingerprint authentication process, be conducive to
The accuracy that electronic equipment carries out fingerprint authentication is improved, reduction fingerprint is refused sincere.
In the above-described embodiments, the method also includes: the electronic equipments can determine that noise is believed according to screen picture
The position of breath, and export prompt information prompt user wipe display screen, and by repeated acquisition screen picture confirm screen without
The normal typing fingerprint of user is prompted after noise information.As it can be seen that electronic equipment can be guided by interaction prompts mode in this example
User actively removes the noise information in display screen, improves fingerprint efficiency of inputting and accuracy.
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 line verification method, applied to electronic equipment as described in Figure 1, the electronic equipment includes display screen and opposite
The fingerprint mould group under the screen that the predeterminable area of the display screen is arranged, as shown, this fingerprint authentication method includes:
S301, for electronic equipment when detecting fingerprint authentication request, detection is directed to the fingerprint identification area of the electronic equipment
The pressing operation in domain, the fingerprint identification region include the predeterminable area;
S302, the electronic equipment pass through the screen when detecting the pressing operation for the fingerprint identification region
Lower fingerprint mould group acquires the first fingerprint image;
S303, the electronic equipment are acquired at the end of detecting the pressing operation by fingerprint mould group under the screen
At least first screen picture;
S304, the electronic equipment generate the ginseng for filtering noise information according at least first screen picture
Examine image;
S305, the electronic equipment filter the noise information in first fingerprint image according to the reference picture, obtain
To the second fingerprint image.
S306, the electronic equipment carry out fingerprint authentication by second fingerprint image, are verified result.
As can be seen that electronic equipment includes that display screen and the predeterminable area relative to display screen are set in the embodiment of the present application
Fingerprint mould group under the screen set, for electronic equipment when detecting fingerprint authentication request, detection is directed to the fingerprint identification area of electronic equipment
The pressing operation in domain, fingerprint identification region include predeterminable area;When detecting the pressing operation for fingerprint identification region, lead to
It crosses the lower fingerprint mould group of screen and acquires the first fingerprint image;At the end of detecting pressing operation, by shield lower fingerprint mould group acquire to
Few first screen picture;After generating filtering noise information according at least first screen picture and the first fingerprint image
Second fingerprint image, noise information include the spot and/or foreign matter of fingerprint identification region;Fingerprint is carried out by the second fingerprint image
Verifying, is verified result.As it can be seen that electronic equipment can still can carry out adopting figure at the time of no fingerprint presses, when obtaining
After taking the non-finger print information (spot or foreign matter) on screen, then such noise information is adopted in figure from fingerprint when pressing and is filtered
Fall, to be obviously improved the quality that fingerprint adopts figure, and will not having to explicitly influence (user's unaware) fingerprint authentication process, be conducive to
The accuracy that electronic equipment carries out fingerprint authentication is improved, reduction fingerprint is refused sincere.
In addition, electronic equipment, which can acquire screen picture, carries out noise information filtering, be conducive to the standard for improving fingerprint authentication
Exactness.
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 line verification method, is applied to electronic equipment, and the electronic equipment includes display screen and relative to the display
Fingerprint mould group under the screen of the predeterminable area setting of screen, as shown, this fingerprint authentication method includes:
S401, electronic equipment show fingerprint typing set interface, the fingerprint typing set interface in the display screen
Including adding fingerprint function button;
S402, the electronic equipment pass through institute when detecting the selection operation for the addition fingerprint function button
It states and shields to descend a fingerprint mould group acquisition at least user's finger not press the screen picture in the case of fingerprint identification region, the fingerprint
Identification region includes the predeterminable area;
S403, the electronic equipment show that fingerprint typing guides interface in the display screen, and by referring under the screen
Line mould group acquisition user's finger presses multiple third fingerprint images in the case of the predeterminable area;
S404, the electronic equipment at least second screen picture according to and multiple described third fingerprint images,
Fingerprint template is generated to complete fingerprint Input Process.
S405, the electronic equipment when detecting fingerprint authentication request, know for the fingerprint of the electronic equipment by detection
The pressing operation in other region, the fingerprint identification region include the predeterminable area;
S406, the electronic equipment pass through the screen when detecting the pressing operation for the fingerprint identification region
Lower fingerprint mould group acquires the first fingerprint image;
S407, the electronic equipment are acquired at the end of detecting the pressing operation by fingerprint mould group under the screen
At least first screen picture;
S408, the reference that the electronic equipment extracts in multiple described first screen pictures in every first screen picture are made an uproar
Acoustic intelligence;
S409, the corresponding multiple reference noise information of the electronic equipment multiple first screen pictures according to extraction
Generate target noise information;
S410, the electronic equipment were used for according to the target noise information and any one the first screen picture generation
The reference picture of noise filtering information.
S411, the electronic equipment filter the noise information in first fingerprint image according to the reference picture, obtain
To the second fingerprint image.
S412, the electronic equipment carry out fingerprint authentication by second fingerprint image, are verified result.
As can be seen that electronic equipment includes that display screen and the predeterminable area relative to display screen are set in the embodiment of the present application
Fingerprint mould group under the screen set, for electronic equipment when detecting fingerprint authentication request, detection is directed to the fingerprint identification area of electronic equipment
The pressing operation in domain, fingerprint identification region include predeterminable area;When detecting the pressing operation for fingerprint identification region, lead to
It crosses the lower fingerprint mould group of screen and acquires the first fingerprint image;At the end of detecting pressing operation, by shield lower fingerprint mould group acquire to
Few first screen picture;After generating filtering noise information according at least first screen picture and the first fingerprint image
Second fingerprint image, noise information include the spot and/or foreign matter of fingerprint identification region;Fingerprint is carried out by the second fingerprint image
Verifying, is verified result.As it can be seen that electronic equipment can still can carry out adopting figure at the time of no fingerprint presses, when obtaining
After taking the non-finger print information (spot or foreign matter) on screen, then such noise information is adopted in figure from fingerprint when pressing and is filtered
Fall, to be obviously improved the quality that fingerprint adopts figure, and will not having to explicitly influence (user's unaware) fingerprint authentication process, be conducive to
The accuracy that electronic equipment carries out fingerprint authentication is improved, reduction fingerprint is refused sincere.
In addition, electronic equipment, which can first acquire user's finger, does not press screen picture in the case of fingerprint identification region, and
Multiple fingerprint images for merging subsequent acquisition generate fingerprint template, since the screen picture acquired in real time can really reflect this
The clean conditions of screen in fingerprint Input Process, so electronic equipment can filter the noise factor of screen by screen picture,
The accuracy of the fingerprint typing of electronic equipment so can be improved, reduce fingerprint recognition refuses sincere FRR.
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 electronic equipment 500 includes display screen and relative to described
Fingerprint mould group under the screen of the predeterminable area setting of display screen, further includes application processor 510, memory 520, communication interface 530
And one or more programs 521, wherein one or more of programs 521 are stored in above-mentioned memory 520, and
It is configured to be executed by above-mentioned application processor 510, one or more of programs 521 include the finger for executing following steps
It enables;
When detecting fingerprint authentication request, detection is directed to the pressing operation of the fingerprint identification region of the electronic equipment,
The fingerprint identification region includes the predeterminable area;
When detecting the pressing operation for the fingerprint identification region, pass through fingerprint mould group acquisition first under the screen
Fingerprint image;
At the end of detecting the pressing operation, at least first screen map is acquired by fingerprint mould group under the screen
Picture;
The after filtering noise information is generated according at least first screen picture and first fingerprint image
Two fingerprint images, the noise information include the spot and/or foreign matter of the fingerprint identification region;
Fingerprint authentication is carried out by second fingerprint image, is verified result.
As can be seen that electronic equipment includes that display screen and the predeterminable area relative to display screen are set in the embodiment of the present application
Fingerprint mould group under the screen set, for electronic equipment when detecting fingerprint authentication request, detection is directed to the fingerprint identification area of electronic equipment
The pressing operation in domain, fingerprint identification region include predeterminable area;When detecting the pressing operation for fingerprint identification region, lead to
It crosses the lower fingerprint mould group of screen and acquires the first fingerprint image;At the end of detecting pressing operation, by shield lower fingerprint mould group acquire to
Few first screen picture;After generating filtering noise information according at least first screen picture and the first fingerprint image
Second fingerprint image, noise information include the spot and/or foreign matter of fingerprint identification region;Fingerprint is carried out by the second fingerprint image
Verifying, is verified result.As it can be seen that electronic equipment can still can carry out adopting figure at the time of no fingerprint presses, when obtaining
After taking the non-finger print information (spot or foreign matter) on screen, then such noise information is adopted in figure from fingerprint when pressing and is filtered
Fall, to be obviously improved the quality that fingerprint adopts figure, and will not having to explicitly influence (user's unaware) fingerprint authentication process, be conducive to
The accuracy that electronic equipment carries out fingerprint authentication is improved, reduction fingerprint is refused sincere.
In the above-described embodiments, described, at least first screen picture according to and first fingerprint image are raw
In terms of at the second fingerprint image after filtering noise information, the instruction in described program is specifically used for executing following operation: according to
At least first screen picture generates the reference picture for filtering noise information;And it is used for according to described with reference to figure
As filtering the noise information in first fingerprint image, the second fingerprint image is obtained.
In the above-described embodiments, at least first screen picture includes multiple;Described at least one according to
In terms of opening the reference picture that the first screen picture is generated for filtering noise information, the instruction in described program is specifically used for executing
It operates below: extracting the reference noise information in multiple described first screen pictures in every first screen picture;And it is used for
The corresponding multiple reference noise information of multiple first screen pictures according to extraction generate target noise information;And it is used for
The reference picture for filtering noise information is generated according to the target noise information and any one the first screen picture.
In the above-described embodiments, at least first screen picture includes multiple;Described at least one according to
In terms of opening the reference picture that the first screen picture is generated for filtering noise information, the instruction in described program is specifically used for executing
It operates below: calculating the mean value image of multiple first screen pictures;And for determine the mean value image be for
The reference picture of noise filtering information.
In the above-described embodiments, at least first screen picture includes one;Described at least one according to
In terms of opening the reference picture that the first screen picture is generated for filtering noise information, the instruction in described program is specifically used for executing
It operates below: determining that first screen picture is the reference picture for filtering noise information.
In the above-described embodiments, fingerprint authentication is carried out by second fingerprint image described, is verified result side
Face, the instruction in described program are specifically used for executing following operation: obtaining the fingerprint template prestored;And it is used for described second
Fingerprint image is compared with the fingerprint template, is verified result.
In the above-described embodiments, described program further includes instructions for performing the following operations: described to detect fingerprint inspection
Before card request, show that fingerprint typing set interface, the fingerprint typing set interface include that addition refers in the display screen
Line function button;And for detect for it is described addition fingerprint function button selection operation when, by under the screen
A fingerprint mould group acquisition at least user's finger does not press the screen picture in the case of fingerprint identification region, the fingerprint identification area
Domain includes the predeterminable area;And for showing that fingerprint typing guides interface in the display screen, and by under the screen
Fingerprint mould group acquisition user's finger presses multiple third fingerprint images in the case of the predeterminable area;And for according to
At least second screen picture and multiple described third fingerprint images generate fingerprint template to complete fingerprint Input Process.
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 verifying apparatus 600 involved in the embodiment of the present application.The fingerprint inspection
Card device 600 is applied to electronic equipment, and the electronic equipment includes that display screen and the predeterminable area relative to the display screen are set
Fingerprint mould group under the screen set, the fingerprint verifying apparatus include processing unit 601 and communication unit 602, wherein
The processing unit 601, for being directed to institute by communication unit detection when detecting fingerprint authentication request
The pressing operation of the fingerprint identification region of electronic equipment is stated, the fingerprint identification region includes the predeterminable area;And it is used for
When detecting the pressing operation for the fingerprint identification region, the first fingerprint image is acquired by fingerprint mould group under the screen
Picture;And for acquiring at least first screen by fingerprint mould group under the screen at the end of detecting the pressing operation
Curtain image;And for generating filtering noise information according at least first screen picture and first fingerprint image
The second fingerprint image afterwards, the noise information include the spot and/or foreign matter of the fingerprint identification region;And for passing through
Second fingerprint image carries out fingerprint authentication, is verified result.
Wherein, the fingerprint verifying apparatus 600 can also include storage unit 603, for storing the program of electronic equipment
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 includes that display screen and the predeterminable area relative to display screen are set in the embodiment of the present application
Fingerprint mould group under the screen set, for electronic equipment when detecting fingerprint authentication request, detection is directed to the fingerprint identification area of electronic equipment
The pressing operation in domain, fingerprint identification region include predeterminable area;When detecting the pressing operation for fingerprint identification region, lead to
It crosses the lower fingerprint mould group of screen and acquires the first fingerprint image;At the end of detecting pressing operation, by shield lower fingerprint mould group acquire to
Few first screen picture;After generating filtering noise information according at least first screen picture and the first fingerprint image
Second fingerprint image, noise information include the spot and/or foreign matter of fingerprint identification region;Fingerprint is carried out by the second fingerprint image
Verifying, is verified result.As it can be seen that electronic equipment can still can carry out adopting figure at the time of no fingerprint presses, when obtaining
After taking the non-finger print information (spot or foreign matter) on screen, then such noise information is adopted in figure from fingerprint when pressing and is filtered
Fall, to be obviously improved the quality that fingerprint adopts figure, and will not having to explicitly influence (user's unaware) fingerprint authentication process, be conducive to
The accuracy that electronic equipment carries out fingerprint authentication is improved, reduction fingerprint is refused sincere.
In the above-described embodiments, described, at least first screen picture according to and first fingerprint image are raw
In terms of at the second fingerprint image after filtering noise information, the processing unit 601 is specifically used for: according to described at least one the
One screen picture generates the reference picture for filtering noise information;And for according to reference picture filtering described first
Noise information in fingerprint image obtains the second fingerprint image.
In the above-described embodiments, at least first screen picture includes multiple;Described at least one according to
In terms of opening the reference picture that the first screen picture is generated for filtering noise information, the processing unit 601 is specifically used for: extracting
Reference noise information in multiple described first screen pictures in every first screen picture;And for according to extraction
The corresponding multiple reference noise information of multiple first screen pictures generate target noise information;And for being made an uproar according to the target
Acoustic intelligence and any one the first screen picture generate the reference picture for filtering noise information.
In the above-described embodiments, at least first screen picture includes multiple;Described at least one according to
In terms of opening the reference picture that the first screen picture is generated for filtering noise information, the processing unit 601 is specifically used for: calculating
The mean value image of multiple first screen pictures;And for determining that the mean value image is the ginseng for filtering noise information
Examine image.
In the above-described embodiments, at least first screen picture includes one;Described at least one according to
In terms of opening the reference picture that the first screen picture is generated for filtering noise information, the processing unit 601 is specifically used for: determining
One first screen picture is the reference picture for filtering noise information.
In the above-described embodiments, fingerprint authentication is carried out by second fingerprint image described, is verified result side
Face, the processing unit 601 are specifically used for: obtaining the fingerprint template prestored;And it is used for second fingerprint image and institute
It states fingerprint template to be compared, is verified result.
In the above-described embodiments, the processing unit 601 is also used to before detecting fingerprint authentication request: passing through institute
It states communication unit 602 and shows that fingerprint typing set interface, the fingerprint typing set interface include addition in the display screen
Fingerprint function button;And for passing through the screen when detecting the selection operation for the addition fingerprint function button
A lower fingerprint mould group acquisition at least user's finger does not press the screen picture in the case of fingerprint identification region, the fingerprint recognition
Region includes the predeterminable area;And for showing that fingerprint typing guides interface in the display screen, and pass through the screen
Lower fingerprint mould group acquisition user's finger presses multiple third fingerprint images in the case of the predeterminable area;And for according to institute
At least second screen picture and multiple described third fingerprint images are stated, generates fingerprint template to complete fingerprint Input Process.
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 authentication method, which is characterized in that be applied to electronic equipment, the electronic equipment includes display screen and opposite
The fingerprint mould group under the screen that the predeterminable area of the display screen is arranged, which comprises
When detecting fingerprint authentication request, detection is directed to the pressing operation of the fingerprint identification region of the electronic equipment, described
Fingerprint identification region includes the predeterminable area;
When detecting the pressing operation for the fingerprint identification region, the first fingerprint is acquired by fingerprint mould group under the screen
Image;
At the end of detecting the pressing operation, at least first screen picture is acquired by fingerprint mould group under the screen;
Second after generating filtering noise information according at least first screen picture and first fingerprint image refers to
Print image, the noise information include the spot and/or foreign matter of the fingerprint identification region;
Fingerprint authentication is carried out by second fingerprint image, is verified result.
2. the method according to claim 1, wherein at least first screen picture and the institute according to
It states the first fingerprint image and generates the second fingerprint image after filtering noise information, comprising:
The reference picture for filtering noise information is generated according at least first screen picture;
The noise information in first fingerprint image is filtered according to the reference picture, obtains the second fingerprint image.
3. according to the method described in claim 2, it is characterized in that, at least first screen picture includes multiple;Institute
State the reference picture generated according at least first screen picture for filtering noise information, comprising:
Extract the reference noise information in multiple described first screen pictures in every first screen picture;
The corresponding multiple reference noise information of multiple first screen pictures according to extraction generate target noise information;
The reference picture for filtering noise information is generated according to the target noise information and any one the first screen picture.
4. according to the method described in claim 2, it is characterized in that, at least first screen picture includes multiple;Institute
State the reference picture generated according at least first screen picture for filtering noise information, comprising:
Calculate the mean value image of multiple first screen pictures;
Determine that the mean value image is the reference picture for filtering noise information.
5. according to the method described in claim 2, it is characterized in that, at least first screen picture includes one;Institute
State the reference picture generated according at least first screen picture for filtering noise information, comprising:
Determine that first screen picture is the reference picture for filtering noise information.
6. method according to claim 1-5, which is characterized in that described to be carried out by second fingerprint image
Fingerprint authentication is verified result, comprising:
Obtain the fingerprint template prestored;
Second fingerprint image is compared with the fingerprint template, is verified result.
7. method according to claim 1-6, it is described detect fingerprint authentication request before, the method is also wrapped
It includes:
Show that fingerprint typing set interface, the fingerprint typing set interface include that addition fingerprint function is pressed in the display screen
Button;
When detecting the selection operation for the addition fingerprint function button, at least by fingerprint mould group acquisition under the screen
One user's finger does not press the screen picture in the case of fingerprint identification region, and the fingerprint identification region includes the preset areas
Domain;
It shows that fingerprint typing guides interface in the display screen, and user's finger pressing is acquired by fingerprint mould group under the screen
Multiple third fingerprint images in the case of the predeterminable area;
According at least second screen picture and multiple described third fingerprint images, fingerprint template is generated to complete fingerprint
Input Process.
8. a kind of fingerprint verifying apparatus, which is characterized in that be applied to electronic equipment, the electronic equipment includes display screen and opposite
The fingerprint mould group under the screen that the predeterminable area of the display screen is arranged, described device includes processing unit and communication unit, wherein
The processing unit, for being directed to the electronics by communication unit detection when detecting fingerprint authentication request
The pressing operation of the fingerprint identification region of equipment, the fingerprint identification region include the predeterminable area;And for detecting
To be directed to the fingerprint identification region pressing operation when, pass through under the screen fingerprint mould group acquire the first fingerprint image;And
For acquiring at least first screen picture by fingerprint mould group under the screen at the end of detecting the pressing operation;
And for generating the after filtering noise information according at least first screen picture and first fingerprint image
Two fingerprint images, the noise information include the spot and/or foreign matter of the fingerprint identification region;And for passing through described the
Two fingerprint images carry out fingerprint authentication, are verified 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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CN201910092707.2A CN109886162A (en) | 2019-01-30 | 2019-01-30 | Fingerprint authentication method and relevant apparatus |
PCT/CN2020/070305 WO2020156033A1 (en) | 2019-01-30 | 2020-01-03 | Fingerprint verification method and related apparatus |
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