CN109376702A - Fingerprint identification method and Related product - Google Patents
Fingerprint identification method and Related product Download PDFInfo
- Publication number
- CN109376702A CN109376702A CN201811458037.3A CN201811458037A CN109376702A CN 109376702 A CN109376702 A CN 109376702A CN 201811458037 A CN201811458037 A CN 201811458037A CN 109376702 A CN109376702 A CN 109376702A
- Authority
- CN
- China
- Prior art keywords
- electronic equipment
- fingerprint
- fingerprint image
- display screen
- pressing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- G06V40/13—Sensors therefor
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Image Input (AREA)
- Collating Specific Patterns (AREA)
- Telephone Function (AREA)
Abstract
The embodiment of the present application discloses a kind of fingerprint identification method and Related product, applied to electronic equipment, the electronic equipment includes processing circuit, and the optical finger print identification mould group and display screen being connect with the processing circuit, and the optical finger print identification mould group is integrated in below the display screen, wherein method includes: acquisition fingerprint image；The fingerprint image is matched with preset fingerprint template, obtains matching value；If the matching value is in the first preset range, the input position of the fingerprint image is obtained；When the input position is predeterminated position, unlock operation is executed.Fingerprint recognition efficiency can be promoted at low ambient temperatures using the embodiment of the present application.
Description
Technical field
This application involves technical field of electronic equipment, and in particular to a kind of fingerprint identification method and Related product.
Background technique
With a large amount of popularization and applications of electronic equipment (such as mobile phone, tablet computer), what electronic equipment can be supported is answered
With more and more, function is stronger and stronger, and electronic equipment develops towards diversification, personalized direction, becomes in user's life
Indispensable appliance and electronic.
Fingerprint identification technology also becomes the standard configuration technology of electronic equipment, with the development of fingerprint identification technology, at present more
Popular is optical finger print identification mould group, and optical finger print identification mould group can be integrated in well below screen, still, finger
Under low-temperature condition, may show dry finger state (be primarily referred to as at low ambient temperatures, due to finger water deficient, is in
A kind of existing state), and optical finger print identification mould group to dry finger carry out fingerprint collecting when, fingerprint image is not clear enough, therefore,
Reduce fingerprint recognition efficiency.
Summary of the invention
The embodiment of the present application provides a kind of fingerprint identification method and Related product, can at low ambient temperatures, and promotion refers to
Line recognition efficiency.
In a first aspect, the embodiment of the present application provides a kind of electronic equipment, the electronic equipment includes processing circuit, Yi Jiyu
The optical finger print identification mould group and display screen of the processing circuit connection, and optical finger print identification mould group is integrated in described show
Below display screen, wherein
The optical finger print identifies mould group, for obtaining fingerprint image；
The processing circuit obtains matching value for matching the fingerprint image with preset fingerprint template；
The display screen obtains the input bit of the fingerprint image if being in the first preset range for the matching value
It sets；
The processing circuit is also used to execute unlock operation when the input position is predeterminated position.
Second aspect, the embodiment of the present application provide a kind of fingerprint identification method, are applied to electronic equipment, the electronic equipment
Mould group and display screen are identified including optical finger print, and optical finger print identification mould group is integrated in below the display screen, it is described
Method includes:
Obtain fingerprint image；
The fingerprint image is matched with preset fingerprint template, obtains matching value；
If the matching value is in the first preset range, the input position of the fingerprint image is obtained；
When the input position is predeterminated position, unlock operation is executed.
The third aspect, the embodiment of the present application provide a kind of fingerprint identification device, are applied to electronic equipment, and the electronics is set
Standby includes optical finger print identification mould group and display screen, and optical finger print identification mould group is integrated in below the display screen, institute
Stating device includes: acquiring unit, matching unit and unlocking unit, wherein
The acquiring unit, for obtaining fingerprint image；
The matching unit obtains matching value for matching the fingerprint image with preset fingerprint template；
The acquiring unit obtains the defeated of the fingerprint image if being also used to the matching value is in the first preset range
Enter position；
The unlocking unit, for executing unlock operation when the input position is predeterminated position.
Fourth 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 second aspect.
5th 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 second aspect.
6th 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 second aspect.The computer program product can be one
A software installation packet.
As can be seen that fingerprint identification method and Related product described in the embodiment of the present application, are applied to electronic equipment,
Electronic equipment includes optical finger print identification mould group and display screen, and optical finger print identification mould group is integrated in below display screen, is obtained
Fingerprint image is matched with preset fingerprint template, obtains matching value by fingerprint image, if matching value is in the first default model
It encloses, obtains the input position of fingerprint image, when input position is predeterminated position, unlock operation is executed, in this way, at matching value
In the first preset range, then illustrate fingerprint possibly from owner user, and in use, user gets used at certain
One position carries out fingerprint input, if the input position of fingerprint image is predeterminated position (habitual fingerprint input position), confirms
Fingerprint image is unlocked from owner, is able to ascend under low temperature environment, fingerprint recognition efficiency.
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.
Figure 1A is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；
Figure 1B is a kind of flow diagram of fingerprint identification method provided by the embodiments of the present application；
Fig. 1 C is the Area Demo schematic diagram of display screen provided by the embodiments of the present application；
Fig. 2 is the flow diagram of another fingerprint identification method provided by the embodiments of the present application；
Fig. 3 is the flow diagram of another fingerprint identification method provided by the embodiments of the present application；
Fig. 4 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；
Fig. 5 A is a kind of functional unit composition block diagram of fingerprint identification device provided by the embodiments of the present application；
Fig. 5 B is the functional unit composition block diagram of another fingerprint identification device provided by the embodiments of the present application.
Specific embodiment
The description and claims of this application and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Different objects, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations, it is intended that
It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Electronic equipment involved by the embodiment of the present application may include the various handheld devices with wireless communication function,
Mobile unit, wearable device (smartwatch, Intelligent bracelet, wireless headset, augmented reality/virtual reality device, Brilliant Eyes
Mirror), calculate equipment or be connected to radio modem other processing equipments and various forms of user equipment (user
Equipment, UE), mobile station (mobile station, MS), terminal device (terminal device) etc..For convenience
Description, apparatus mentioned above are referred to as electronic equipment.
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.
It describes in detail below to the embodiment of the present application.
Figure 1A is please referred to, Figure 1A is the structural schematic diagram of a kind of electronic equipment disclosed in the embodiment of the present application, electronic equipment
100 include storage and processing circuit 110, and the sensor 170 connecting with the storage and processing circuit 110, sensor 170
Including camera, in which:
Electronic equipment 100 may include control circuit, which may include storage and processing circuit 110.This is deposited
Storage and processing circuit 110 can store device, such as hard drive memory, nonvolatile memory (such as flash memory or it is used for shape
At other electrically programmable read only memories etc. of solid state drive), volatile memory (such as either statically or dynamically arbitrary access
Memory etc.) etc., the embodiment of the present application is with no restriction.Processing circuit in storage and processing circuit 110 can be used for controlling electricity
The operating of sub- equipment 100.The processing circuit can microprocessor based on one or more, microcontroller, digital signal processor,
Baseband processor, power management unit, audio codec chip, specific integrated circuit, display-driver Ics etc. come
It realizes.
Storage and processing circuit 110 can be used for running the software in electronic equipment 100, such as the Internet browser application journey
Sequence, voice over internet protocol (Voice over Internet Protocol, VOIP) call application program, Email
Application program, media play-back application, operation system function etc..These softwares can be used for executing some control operations, example
Such as, based on the Image Acquisition of camera, the ambient light measurement based on ambient light sensor, based on proximity sensor close to sensing
Device measurement, the information display function that the positioning indicators such as status indicator lamp based on light emitting diode are realized, based on touch
The touch event of sensor detects, and in the associated function of multiple (such as layering) display information displayed on screen, with execution
The associated operation of wireless communication function, operation associated with collecting and generating audio signal, is pressed with collection and treatment button
Other functions etc. in the associated control operation of event data and electronic equipment 100 are pressed, the embodiment of the present application does not limit
System.
Electronic equipment 100 may include input-output circuit 150.Input-output circuit 150 can be used for making electronic equipment
100 realization data are output and input, i.e. permission electronic equipment 100 allows electronic equipment from outer equipment receiving data and also
100 export data to external equipment from electronic equipment 100.Input-output circuit 150 may further include sensor 170.
Sensor 170 may include ambient light sensor, the proximity sensor based on light and capacitor, and optical finger print identifies mould group, touch
Sensor is (for example, be based on light touch sensor and/or capacitive touch sensors, wherein it is aobvious that touch sensor can be touch-control
A part of display screen can also be used as a touch sensor arrangement and independently use), acceleration transducer, camera and other
Sensor etc., camera can be front camera or rear camera, and optical finger print identification mould group can be integrated in display screen
Lower section, for acquiring fingerprint image.
Input-output circuit 150 can also include one or more display screens, such as display screen 130.Display screen 130 can
To include liquid crystal display, organic light-emitting diode (OLED) display screen, electric ink display screen, plasma panel, using other aobvious
Show combination one or several kinds of in the display screen of technology.Display screen 130 may include touch sensor array (that is, display screen
130 can be touching display screen).Touch sensor can be by transparent touch sensor electrode (such as tin indium oxide (ITO)
Electrode) capacitive touch sensors that array is formed, or it can be the touch sensor formed using other touching techniques, example
Such as sound wave touch-control, pressure sensible touch, resistive touch, optical touch etc., the embodiment of the present application is with no restriction.
Electronic equipment 100 can also include audio component 140.Audio component 140 can be used for providing for electronic equipment 100
Audio input and output function.Audio component 140 in electronic equipment 100 may include loudspeaker, microphone, buzzer, sound
Adjust generator and other for generating and detecting the component of sound.
Telecommunication circuit 120 can be used for providing the ability with external device communication for electronic equipment 100.Telecommunication circuit 120
It may include analog- and digital- input-output interface circuit, and the radio communication circuit based on radiofrequency signal and/or optical signal.
Radio communication circuit in telecommunication circuit 120 may include radio-frequency transceiver circuitry, power amplifier circuit, low noise amplification
Device, switch, filter and antenna.For example, the radio communication circuit in telecommunication circuit 120 may include for passing through transmitting
The circuit of near-field communication (Near Field Communication, NFC) is supported with near-field coupling electromagnetic signal is received.Example
Such as, telecommunication circuit 120 may include near-field communication aerial and near-field communication transceiver.Telecommunication circuit 120 can also include honeycomb
Telephone transceiver and antenna, wireless lan transceiver circuit and antenna etc..
Electronic equipment 100 can further include battery, power management circuitry and other input-output units 160.It is defeated
Enter-output unit 160 may include button, control stick, click wheel, scroll wheel, touch tablet, keypad, keyboard, camera, hair
Optical diode and other positioning indicators etc..
User can input a command for the operation of controlling electronic devices 100 by input-output circuit 150, and can be with
Status information and other outputs from electronic equipment 100 are received using the output data of input-output circuit 150 to realize.
Based on electronic equipment described in above-mentioned Figure 1A, following function can be used to implement:
The optical finger print identifies mould group, for obtaining fingerprint image；
The processing circuit obtains matching value for matching the fingerprint image with preset fingerprint template；
The display screen obtains the input bit of the fingerprint image if being in the first preset range for the matching value
It sets；
The processing circuit is also used to execute unlock operation when the input position is predeterminated position.
In a possible example, the processing circuit also particularly useful for:
Detect whether the electronic equipment is in default low-temperature condition；
If the electronic equipment is in default low-temperature condition, the acquisition fingerprint image is executed by the display screen
The step of input position.
In a possible example, in terms of whether the detection electronic equipment is in default low-temperature condition, institute
Processing circuit is stated to be specifically used for:
Image quality evaluation is carried out to the fingerprint image, obtains image quality evaluation values；
When described image quality evaluation value is in the second preset range, confirm that the electronic equipment is in default low temperature shape
State.
In a possible example, in terms of whether the detection electronic equipment is in default low-temperature condition, institute
Processing circuit is stated to be specifically used for:
Feature extraction is carried out to the fingerprint image, obtains feature point set；
Determine the fingerprint area of the fingerprint image；
The characteristic point distribution density of the fingerprint image is determined according to the fingerprint area, the feature point set；
When the characteristic point distribution density is in third preset range, confirm that the electronic equipment is in default low temperature shape
State.
In a possible example, the telecommunication circuit or the sensor are for obtaining environment temperature；
In terms of whether the detection electronic equipment is in default low-temperature condition, the processing circuit is specifically used for:
When the environment temperature is lower than preset temperature threshold, confirm that the electronic equipment is in the default low temperature shape
State.
In a possible example, the display screen also particularly useful for:
When user presses the display screen, pressing parameter is obtained, the pressing parameter includes pressing dynamics and press surface
Product；
It is greater than default dynamics threshold value in the pressing dynamics, and when the pressing area is greater than preset area threshold value, by institute
State the step of optical finger print identification mould group executes the acquisition fingerprint image.
Figure 1B is please referred to, Figure 1B is a kind of flow diagram of fingerprint identification method provided by the embodiments of the present application, is such as schemed
Shown, applied to electronic equipment as shown in Figure 1A, the electronic equipment includes that optical finger print identifies mould group and display screen, and institute
It states optical finger print identification mould group to be integrated in below the display screen, this fingerprint identification method includes:
101, fingerprint image is obtained.
Wherein, in the embodiment of the present application, electronic equipment includes optical finger print identification mould group and display screen, optical finger print identification
Mould group can be integrated in below display screen, and display screen can be screen comprehensively or fringe screen or water droplet screen, be not limited thereto.?
When user presses the display screen of electronic equipment, the optical finger print identification mould group below display screen can carry out fingerprint collecting, obtain
Fingerprint image.
102, the fingerprint image is matched with preset fingerprint template, obtains matching value.
Wherein, preset fingerprint template can be stored in advance in electronic equipment, electronic equipment can be by fingerprint image and default
Fingerprint template is matched, and matching value is obtained, and specifically, electronic equipment can carry out feature extraction to fingerprint image respectively, is obtained
To a feature point set, feature extraction is carried out to preset fingerprint template, obtains another feature point set, each feature point set wraps
Containing at least one characteristic point, two feature point sets are matched, matching value is obtained.The main algorithm of feature extraction can for
Lower at least one: Harris Robust Algorithm of Image Corner Extraction, SURF algorithm, scale invariant feature extraction algorithm (scale invariant
Feature transform, SIFT) etc., it is not limited thereto.
Optionally, the fingerprint image is matched with preset fingerprint template, obtains matching value by above-mentioned steps 102, can
To include the following steps:
21, lines screening is carried out to the fingerprint image, obtains a plurality of target fingerprint lines, the fingerprint image includes more
Fingerprint lines, the mean breadth of each fingerprint lines is in predetermined width range in the target fingerprint lines；
22, feature point extraction is carried out to a plurality of target fingerprint lines, obtains fisrt feature point set, the fisrt feature
Point set includes multiple characteristic points；
23, feature extraction is carried out to the preset fingerprint template, obtains second feature point set；
24, the fisrt feature point set is matched with the second feature point set, obtains matching value.
Wherein, above-mentioned preset range can be by system default, alternatively, user's self-setting.Not due to fingerprint lines width
It only varies with each individual, and under different touch-control dynamics, lines width is also different, therefore, line can be used to a certain extent
Degree of having a lot of social connections identifies user, alternatively, decisioing making according to clarity of the fingerprint lines width to fingerprint image, in this way, improving peace
Full property and accuracy of identification.
If 103, the matching value is in the first preset range, the input position of the fingerprint image is obtained.
Wherein, above-mentioned first preset range can be by user's self-setting or system default, above-mentioned first preset range
Lower than preset fingerprint recognition threshold, preset fingerprint recognition threshold can be by user's self-setting or system default.In room temperature feelings
Under condition, if the matching value between fingerprint image and preset fingerprint template is greater than or equal to fingerprint recognition threshold value, unlock is executed
Operation still, if it is the fingerprint of owner, can also have part since under low-temperature condition, the quality of fingerprint image is deteriorated
Characteristic point can be matched success, and therefore, the lower limit value of the first preset range can be higher than 0, and upper limit value can be lower than fingerprint recognition threshold
Value.
Wherein, user press display screen during, display screen can recorde pressing position, using the pressing position as
The input position of fingerprint image, alternatively, pressing area can be determined, by pressing area during user presses display screen
Input position of the center position as fingerprint image.
Optionally, further include following steps during executing above-mentioned steps 103:
Whether A1, the detection electronic equipment are in default low-temperature condition；
If A2, the electronic equipment are in default low-temperature condition, the input position for obtaining the fingerprint image is executed
The step of.
Wherein, above-mentioned default low-temperature condition can be by user's self-setting or system default, for example, default low-temperature condition
Corresponding temperature is (- 10 degrees Celsius, 0 degree Celsius).When electronic equipment is in default low-temperature condition, then it can execute acquisition and refer to
Otherwise the step of input position of print image, prompts user to unlock failure.The settable temperature sensor of electronic equipment, for examining
Environment temperature is surveyed, when environment temperature is in preset temperature range, then can be confirmed that electronic equipment is in default low-temperature condition.
Optionally, above-mentioned steps A1, detects whether the electronic equipment is in default low-temperature condition, it may include following step
It is rapid:
B11, image quality evaluation is carried out to the fingerprint image, obtains image quality evaluation values；
B12, when described image quality evaluation value is in the second preset range, confirm the electronic equipment be in preset it is low
Temperature state.
Wherein, the second preset range can be by user's self-setting or system default.Under normal conditions, if not dry finger
Corresponding fingerprint image, then its fingerprint image can be relatively clear, if the corresponding fingerprint image of dry finger, then its fingerprint image meeting
Picture quality is reduced to a certain extent, and still, picture quality can also be kept in a certain range, according to this principle, electricity
Sub- equipment can carry out image quality evaluation to fingerprint image, obtain image quality evaluation values, be in the in image quality evaluation values
When two preset ranges, then confirm that electronic equipment is in default low-temperature condition and otherwise then confirms that electronic equipment is not at default low temperature
State.
Still optionally further, above-mentioned steps B11 carries out image quality evaluation to the fingerprint image, obtains picture quality
Evaluation of estimate can be implemented as follows:
Image quality evaluation is carried out to fingerprint image using at least one image quality evaluation index, picture quality is obtained and comments
Value.
Wherein, image quality evaluation index may include, but are not limited to: average gray, mean square deviation, entropy, edge conservation degree,
Signal-to-noise ratio etc..The image quality evaluation values that may be defined as are bigger, then picture quality is better.
It should be noted that there is certain limitation when due to evaluating using single evaluation index picture quality
Property, therefore, multiple images quality evaluation index, which can be used, evaluates picture quality, certainly, evaluates picture quality
When, not image quality evaluation index is The more the better, because image quality evaluation index is more, the meter of image quality assessment process
Calculation complexity is higher, and also not necessarily image quality evaluation effect is better, therefore, in the situation more demanding to image quality evaluation
Under, 2~10 image quality evaluation indexs can be used, picture quality is evaluated.Specifically, image quality evaluation is chosen to refer to
Target number and which index, depending on specific implementation situation.Certainly, it also obtains and is commented in conjunction with specifically scene selection picture quality
Valence index carries out the image quality index that image quality evaluation selection is carried out under image quality evaluation and bright ring border under dark situation
It can be different.
Optionally, in the case where not high to image quality evaluation required precision, an image quality evaluation index can be used
It is evaluated, for example, carrying out image quality evaluation values to image to be processed with entropy, it is believed that entropy is bigger, then illustrates picture quality
It is better, on the contrary, entropy is smaller, then illustrate that picture quality is poorer.
Optionally, in the higher situation of image quality evaluation required precision, multiple images quality evaluation can be used
Index evaluates image to be evaluated, carries out image quality evaluation to image to be evaluated in multiple images quality evaluation index
When, the weight of each image quality evaluation index, can be obtained multiple images matter in settable multiple image quality evaluation index
Evaluation of estimate is measured, final image quality evaluation values, example can be obtained according to multiple image quality evaluation values and its corresponding weight
Such as, three image quality evaluation indexs are respectively as follows: A index, B index and C index, and the weight of A is a1, and the weight of B is a2, C's
Weight is a3, using A, B and C to a certain image carry out image quality evaluation when, the corresponding image quality evaluation values of A be b1, B pairs
The image quality evaluation values answered are b2, and the corresponding image quality evaluation values of C are b3, then, last image quality evaluation values=
a1b1+a2b2+a3b3.Under normal conditions, image quality evaluation values are bigger, illustrate that picture quality is better.
Optionally, above-mentioned steps A1, detects whether the electronic equipment is in default low-temperature condition, it may include following step
It is rapid:
C11, feature extraction is carried out to the fingerprint image, obtains feature point set；
C12, the fingerprint area for determining the fingerprint image；
C13, the characteristic point distribution density that the fingerprint image is determined according to the fingerprint area, the feature point set；
C14, when the characteristic point distribution density is in third preset range, confirm the electronic equipment be in preset it is low
Temperature state.
Wherein, above-mentioned third preset range can be by user's self-setting, alternatively, system default.Having in fingerprint image can
It can not there is only fingerprint lines, it is possible to which there are background images, therefore, can carry out image segmentation to fingerprint image, obtain mesh
Region is marked, i.e., real fingerprint image confirms the area of the target area as fingerprint area, in the specific implementation, electronic equipment
Feature extraction can be carried out to fingerprint image, obtain feature point set, the characteristic point sum that statistical nature point is concentrated, characteristic point distribution
Density=characteristic point sum/fingerprint area, when characteristic point distribution density is in third preset range, confirmation electronic equipment is in
Otherwise default low-temperature condition then confirms that electronic equipment is not at default low-temperature condition.
Optionally, above-mentioned steps A1, detects whether the electronic equipment is in default low-temperature condition, it may include following step
It is rapid:
Environment temperature is obtained, when the environment temperature is lower than preset temperature threshold, confirms that the electronic equipment is in institute
State default low-temperature condition.
Wherein, above-mentioned preset temperature threshold can be by user's self-setting or system default, and electronic equipment can be built-in
Temperature sensor obtains environment temperature by temperature sensor, alternatively, electronic equipment can be obtained by weather application (internet)
Environment temperature is taken, in turn, is lower than preset temperature threshold in environment temperature, then confirms that electronic equipment is in default low-temperature condition.
104, when the input position is predeterminated position, unlock operation is executed.
Wherein, above-mentioned predeterminated position can be passed through by user's self-setting or system default, predeterminated position for user
Often or the habitual position for carrying out fingerprint input can then execute unlock operation when input position is predeterminated position, no
Then, prompt user unlocks failure, alternatively, prompt user re-enters fingerprint.Unlock operation it is to be understood that into desktop, or
Person, into specified page, alternatively, the specified application of starting, alternatively, pay etc., it is not limited thereto, above-mentioned specific page
Face, specified application can be by user's self-setting or system defaults.
Optionally, before above-mentioned steps 101, can also include the following steps:
D1, user press the display screen when, obtain pressing parameter, the pressing parameter includes pressing dynamics and pressing
Area；
D2, it is greater than default dynamics threshold value in the pressing dynamics, and when the pressing area is greater than preset area threshold value, holds
The step of row acquisition fingerprint image.
Wherein, above-mentioned default dynamics threshold value, preset area threshold value can be by user's self-setting or system defaults.?
When user presses display screen, then available pressing parameter, the pressing parameter may include pressing dynamics and pressing area, press
Surging is greater than default dynamics threshold value, then in false-touch prevention effective to a certain degree, in addition, pressing area needs to be greater than preset area threshold
Value, then can guarantee have sufficient characteristic point in the fingerprint image of subsequent acquisition, if in this way, obtaining fingerprint image again
Words, then can promote fingerprint recognition efficiency.
Optionally, before above-mentioned steps D1, can also include the following steps:
E1, the pressing parameter that user presses the display screen of the electronic equipment is obtained；
E2, the pressing parameter is compared with default pressing parameter；
E3, when the pressing parameter and the default pressing parameter compare successfully, confirm user's pressing electricity
The display screen of sub- equipment.
Wherein, in the embodiment of the present application, pressing parameter can be following at least one: compressing time, pressing area, pressing
Region, pressing dynamics etc., are not limited thereto.Wherein, compressing time is the duration for pressing display screen, and pressing area is pressing
The pressing area of display screen, pressing area are the specific location for pressing display screen, and pressing dynamics are that being averaged for display screen of pressing is pressed
Surging.In the specific implementation, default pressing parameter can be stored in advance in electronic equipment, presetting pressing parameter can be for below extremely
Few one kind: compressing time, pressing area, pressing area, pressing dynamics etc. are not limited thereto.Wherein, compressing time be by
The duration of display screen is pressed, pressing area is the pressing area for pressing display screen, pressing area is the specific location for pressing display screen,
Pressing dynamics are that the average pressing dynamics electronic equipment of pressing display screen can obtain user after user touches display screen
The pressing parameter of pressing electronic equipment, and the pressing parameter is compared with default pressing parameter, in pressing parameter and preset
When pressing parameter is compared successfully, confirmation user presses the display screen of electronic equipment, in this way, can realize anti-to a certain extent
It accidentally touches, in the case where pressing parameter and default pressing parameter compares failure, then can be confirmed that user does not press electronic equipment
Display screen.
Still optionally further, the pressing parameter includes pressing dynamics, pressing area and pressing area；The default pressing
Parameter includes default pressing dynamics, default pressing area and fingerprint collecting region, and the fingerprint collecting region is that the optics refers to
Line identifies mould group region；
Above-mentioned steps E2 the pressing parameter is compared with default pressing parameter, it may include following steps:
E21, when the pressing dynamics are greater than the default pressing dynamics, determine in the pressing area positioned at the finger
The target of line pickup area presses area；
E22, when target pressing area is greater than the default pressing area, the confirmation pressing parameter with it is described pre-
If pressing parameter compares successfully.
Wherein, pressing parameter may include that pressing parameter is correspondingly preset in pressing dynamics, pressing area and pressing area
It may include default pressing dynamics, default pressing area and fingerprint collecting region, fingerprint collecting region is that optical finger print identifies mould
Group region.It is possible, firstly, to pressing dynamics are compared with default pressing dynamics, if pressing dynamics are greater than default pressing force
Degree can then think that user is intentional pressing display screen to a certain extent, be not accidentally to touch, in addition, the big Mr. Yu of pressing dynamics
When one threshold value, the lines details of fingerprint can be highlighted, in turn, determines that the target for being located at fingerprint collecting region in pressing area presses
Area, during pressing, since fingerprint collecting region is limited, user is not during pressing, all finger sections
Position is respectively positioned on fingerprint collecting region, it is possible to be located at non-fingerprint collecting region, as shown in Figure 1 C, Fig. 1 C is shown, by pressing through
There are pressing area a part to be located at fingerprint collecting region by Cheng Zhonghui, and a part is located at non-fingerprint collecting region, and display screen is shown
Show that region may include fingerprint collecting region and non-fingerprint collecting region, and have touch control detection function, certainly, only in finger
Line pickup area could be collected fingerprint image.Due in practical applications, if fingerprint recognition, needing to acquire enough
Therefore fingerprint characteristic has certain requirement to target pressing area, i.e. target pressing area needs to be greater than default pressing area,
In this case, it is believed that pressing parameter and default pressing parameter compare success, so, it is ensured that the fingerprint that subsequent acquisition arrives
Have enough lines and minutia in image.The fingerprint collecting region is the panel region in touch screen, i.e. size energy
The big region enough pressed simultaneously for multiple fingers, rather than the zonule that can be only pressed for single finger.
As can be seen that fingerprint identification method described in the embodiment of the present application, is applied to electronic equipment, electronic equipment packet
Optical finger print identification mould group and display screen are included, and optical finger print identification mould group is integrated in below display screen, obtains fingerprint image, it will
Fingerprint image is matched with preset fingerprint template, obtains matching value, if matching value is in the first preset range, obtains fingerprint image
The input position of picture executes unlock operation, in this way, being in the first default model in matching value when input position is predeterminated position
It encloses, then illustrates fingerprint possibly from owner user, and in use, user gets used to referring in a certain position
Line input confirms that fingerprint image comes from if the input position of fingerprint image is predeterminated position (habitual fingerprint input position)
It in owner, is unlocked, is able to ascend under low temperature environment, fingerprint recognition efficiency.
Consistently with embodiment shown in above-mentioned Figure 1B, referring to Fig. 2, Fig. 2 is a kind of finger provided by the embodiments of the present application
The flow diagram of line recognition methods, as shown, being applied to electronic equipment as shown in Figure 1A, the electronic equipment includes light
Fingerprint recognition mould group and display screen are learned, and optical finger print identification mould group is integrated in below the display screen, this fingerprint recognition
Method includes:
201, fingerprint image is obtained.
202, the fingerprint image is matched with preset fingerprint template, obtains matching value.
If 203, the matching value is in the first preset range, detect whether the electronic equipment is in default low temperature shape
State.
If 204, the electronic equipment is in default low-temperature condition, the input position of the fingerprint image is obtained.
205, when the input position is predeterminated position, unlock operation is executed.
Wherein, the specific descriptions of above-mentioned steps 201- step 205 are referred to fingerprint recognition side described in above-mentioned Figure 1B
The corresponding steps of method, details are not described herein.
As can be seen that fingerprint identification method and Related product described in the embodiment of the present application, are applied to electronic equipment,
Electronic equipment includes optical finger print identification mould group and display screen, and optical finger print identification mould group is integrated in below display screen, is obtained
Fingerprint image is matched with preset fingerprint template, obtains matching value by fingerprint image, if matching value is in the first default model
It encloses, whether detection electronic equipment is in default low-temperature condition, if electronic equipment is in default low-temperature condition, obtains fingerprint image
Input position executes unlock operation, in this way, being in the first preset range in matching value, then when input position is predeterminated position
Illustrate fingerprint possibly from owner user, for example, fingerprint image quality variation therefore, can be further under low temperature condition
Detect whether it is low-temperature condition, if so, further judging according to predeterminated position, in use, user gets used at certain
One position carries out fingerprint input, if the input position of fingerprint image is predeterminated position (habitual fingerprint input position), confirms
Fingerprint image is unlocked from owner, is able to ascend under low temperature environment, fingerprint recognition efficiency.
Consistently with embodiment shown in above-mentioned Figure 1B, referring to Fig. 3, Fig. 3 is a kind of finger provided by the embodiments of the present application
The flow diagram of line recognition methods, as shown, being applied to electronic equipment as shown in Figure 1A, the electronic equipment includes light
Fingerprint recognition mould group and display screen are learned, and optical finger print identification mould group is integrated in below the display screen, this fingerprint recognition
Method includes:
301, user press the display screen when, obtain pressing parameter, the pressing parameter include pressing dynamics and by
Pressure surface product.
302, it is greater than default dynamics threshold value in the pressing dynamics, and when the pressing area is greater than preset area threshold value,
Obtain fingerprint image.
303, the fingerprint image is matched with preset fingerprint template, obtains matching value.
If 304, the matching value is in the first preset range, the input position of the fingerprint image is obtained.
305, when the input position is predeterminated position, unlock operation is executed.
Wherein, the specific descriptions of above-mentioned steps 301- step 305 are referred to fingerprint recognition side described in above-mentioned Figure 1B
The corresponding steps of method, details are not described herein.
As can be seen that fingerprint identification method described in the embodiment of the present application, is applied to electronic equipment, electronic equipment packet
Optical finger print identification mould group and display screen are included, and optical finger print identification mould group is integrated in below display screen, is pressed and is shown in user
When screen, pressing parameter is obtained, pressing parameter includes pressing dynamics and pressing area, it is greater than default dynamics threshold value in pressing dynamics,
And when pressing area greater than preset area threshold value, fingerprint image is obtained, fingerprint image is matched with preset fingerprint template, is obtained
The input position of fingerprint image is obtained if matching value is in the first preset range to matching value, is predeterminated position in input position
When, unlock operation is executed, in this way, false-touch prevention can not only be realized by pressing dynamics and pressing area, and at matching value
In the first preset range, then illustrate fingerprint possibly from owner user, and in use, user gets used at certain
One position carries out fingerprint input, if the input position of fingerprint image is predeterminated position (habitual fingerprint input position), confirms
Fingerprint image is unlocked from owner, is able to ascend under low temperature environment, fingerprint recognition efficiency.
Consistently with above-described embodiment, referring to Fig. 4, Fig. 4 is the knot of a kind of electronic equipment provided by the embodiments of the present application
Structure schematic diagram, as shown, the electronic equipment includes processor, memory, communication interface and one or more program, it is described
Electronic equipment includes optical finger print identification mould group and display screen, and optical finger print identification mould group is integrated under the display screen
Side, wherein said one or multiple programs are stored in above-mentioned memory, and are configured to be executed by above-mentioned processor, this
Apply in embodiment, above procedure includes the instruction for executing following steps:
Obtain fingerprint image；
The fingerprint image is matched with preset fingerprint template, obtains matching value；
If the matching value is in the first preset range, the input position of the fingerprint image is obtained；
When the input position is predeterminated position, unlock operation is executed.
As can be seen that electronic equipment described in the embodiment of the present application, electronic equipment includes optical finger print identification mould group
And display screen, and optical finger print identification mould group is integrated in below display screen, fingerprint image is obtained, by fingerprint image and preset fingerprint
Template is matched, and matching value is obtained, if matching value is in the first preset range, the input position of fingerprint image is obtained, defeated
When to enter position be predeterminated position, unlock operation is executed, in this way, be in the first preset range in matching value, then illustrating that fingerprint has can
Can be from owner user, and in use, user gets used to carrying out fingerprint input in a certain position, if fingerprint image
Input position be predeterminated position (habitual fingerprint input position), then confirm that fingerprint image from owner, is unlocked, energy
It is enough promoted under low temperature environment, fingerprint recognition efficiency.
In a possible example, above procedure further includes the instruction for executing following steps:
Detect whether the electronic equipment is in default low-temperature condition；
If the electronic equipment is in default low-temperature condition, the step of the input position for obtaining the fingerprint image is executed
Suddenly.
In a possible example, in terms of whether the detection electronic equipment is in default low-temperature condition, on
Stating program includes the instruction for executing following steps:
Image quality evaluation is carried out to the fingerprint image, obtains image quality evaluation values；
When described image quality evaluation value is in the second preset range, confirm that the electronic equipment is in default low temperature shape
State.
In a possible example, in terms of whether the detection electronic equipment is in default low-temperature condition, on
Stating program includes the instruction for executing following steps:
Feature extraction is carried out to the fingerprint image, obtains feature point set；
Determine the fingerprint area of the fingerprint image；
The characteristic point distribution density of the fingerprint image is determined according to the fingerprint area, the feature point set；
When the characteristic point distribution density is in third preset range, confirm that the electronic equipment is in default low temperature shape
State.
In a possible example, in terms of whether the detection electronic equipment is in default low-temperature condition, on
Stating program includes the instruction for executing following steps:
Obtain environment temperature；
When the environment temperature is lower than preset temperature threshold, confirm that the electronic equipment is in the default low temperature shape
State.
In a possible example, above procedure further includes the instruction for executing following steps:
When user presses the display screen, pressing parameter is obtained, the pressing parameter includes pressing dynamics and press surface
Product；
It is greater than default dynamics threshold value in the pressing dynamics, and when the pressing area is greater than preset area threshold value, execution
The step of acquisition fingerprint image.
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. 5 A is the functional unit composition block diagram of fingerprint identification device 500 involved in the embodiment of the present application.The fingerprint
Identification device 500, is applied to electronic equipment, and the electronic equipment includes that optical finger print identifies mould group and display screen, and the light
It learns fingerprint recognition mould group to be integrated in below the display screen, described device 500 includes: acquiring unit 501,502 and of matching unit
Unlocking unit 503, wherein
The acquiring unit 501, for obtaining fingerprint image；
The matching unit 502 obtains matching value for matching the fingerprint image with preset fingerprint template；
The acquiring unit 501 obtains the fingerprint image if being also used to the matching value is in the first preset range
Input position；
The unlocking unit 503, for executing unlock operation when the input position is predeterminated position.
As can be seen that fingerprint identification device described in the embodiment of the present application, is applied to electronic equipment, electronic equipment packet
Optical finger print identification mould group and display screen are included, and optical finger print identification mould group is integrated in below display screen, obtains fingerprint image, it will
Fingerprint image is matched with preset fingerprint template, obtains matching value, if matching value is in the first preset range, obtains fingerprint image
The input position of picture executes unlock operation, in this way, being in the first default model in matching value when input position is predeterminated position
It encloses, then illustrates fingerprint possibly from owner user, and in use, user gets used to referring in a certain position
Line input confirms that fingerprint image comes from if the input position of fingerprint image is predeterminated position (habitual fingerprint input position)
It in owner, is unlocked, is able to ascend under low temperature environment, fingerprint recognition efficiency.
In a possible example, as shown in Figure 5 B, Fig. 5 B is the another modification of fingerprint identification method shown in Fig. 5 A
Structure can also include: detection unit 504 compared with Fig. 5 A, specific as follows:
The detection unit 504, for detecting whether the electronic equipment is in default low-temperature condition；
By the acquiring unit 501, if the electronic equipment is in default low-temperature condition, the acquisition fingerprint is executed
The step of input position of image.
In a possible example, in terms of whether the detection electronic equipment is in default low-temperature condition, institute
Detection unit 504 is stated to be specifically used for:
Image quality evaluation is carried out to the fingerprint image, obtains image quality evaluation values；
When described image quality evaluation value is in the second preset range, confirm that the electronic equipment is in default low temperature shape
State.
In a possible example, in terms of whether the detection electronic equipment is in default low-temperature condition, institute
Detection unit 504 is stated to be specifically used for:
Feature extraction is carried out to the fingerprint image, obtains feature point set；
Determine the fingerprint area of the fingerprint image；
The characteristic point distribution density of the fingerprint image is determined according to the fingerprint area, the feature point set；
When the characteristic point distribution density is in third preset range, confirm that the electronic equipment is in default low temperature shape
State.
In a possible example, in terms of whether the detection electronic equipment is in default low-temperature condition, institute
Detection unit 504 is stated to be specifically used for:
Obtain environment temperature；
When the environment temperature is lower than preset temperature threshold, confirm that the electronic equipment is in the default low temperature shape
State.
In a possible example, the acquiring unit 501 is specifically used for:
When user presses the display screen, pressing parameter is obtained, the pressing parameter includes pressing dynamics and press surface
Product；
It is greater than default dynamics threshold value in the pressing dynamics, and when the pressing area is greater than preset area threshold value, execution
The step of acquisition fingerprint image.
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 (15)
1. a kind of electronic equipment, which is characterized in that the electronic equipment includes processing circuit, and is connect with the processing circuit
Optical finger print identification mould group and display screen, and optical finger print identification mould group is integrated in below the display screen, wherein
The optical finger print identifies mould group, for obtaining fingerprint image；
The processing circuit obtains matching value for matching the fingerprint image with preset fingerprint template；
The display screen obtains the input position of the fingerprint image if being in the first preset range for the matching value；
The processing circuit is also used to execute unlock operation when the input position is predeterminated position.
2. electronic equipment according to claim 1, which is characterized in that the processing circuit also particularly useful for:
Detect whether the electronic equipment is in default low-temperature condition；
If the electronic equipment is in default low-temperature condition, the input for obtaining the fingerprint image is executed by the display screen
The step of position.
3. electronic equipment according to claim 2, which is characterized in that whether be in pre- in the detection electronic equipment
If in terms of low-temperature condition, the processing circuit is specifically used for:
Image quality evaluation is carried out to the fingerprint image, obtains image quality evaluation values；
When described image quality evaluation value is in the second preset range, confirm that the electronic equipment is in default low-temperature condition.
4. electronic equipment according to claim 2, which is characterized in that whether be in pre- in the detection electronic equipment
If in terms of low-temperature condition, the processing circuit is specifically used for:
Feature extraction is carried out to the fingerprint image, obtains feature point set；
Determine the fingerprint area of the fingerprint image；
The characteristic point distribution density of the fingerprint image is determined according to the fingerprint area, the feature point set；
When the characteristic point distribution density is in third preset range, confirm that the electronic equipment is in default low-temperature condition.
5. electronic equipment according to claim 4, which is characterized in that the electronic equipment further includes telecommunication circuit, alternatively,
Sensor, the telecommunication circuit or the sensor are for obtaining environment temperature；
In terms of whether the detection electronic equipment is in default low-temperature condition, the processing circuit is specifically used for:
When the environment temperature is lower than preset temperature threshold, confirm that the electronic equipment is in the default low-temperature condition.
6. electronic equipment according to claim 1-5, which is characterized in that the display screen also particularly useful for:
When user presses the display screen, pressing parameter is obtained, the pressing parameter includes pressing dynamics and pressing area；
It is greater than default dynamics threshold value in the pressing dynamics, and when the pressing area is greater than preset area threshold value, by the light
Learn the step of fingerprint recognition mould group executes the acquisition fingerprint image.
7. a kind of fingerprint identification method, which is characterized in that be applied to electronic equipment, the electronic equipment includes optical finger print identification
Mould group and display screen, and optical finger print identification mould group is integrated in below the display screen, which comprises
Obtain fingerprint image；
The fingerprint image is matched with preset fingerprint template, obtains matching value；
If the matching value is in the first preset range, the input position of the fingerprint image is obtained；
When the input position is predeterminated position, unlock operation is executed.
8. the method according to the description of claim 7 is characterized in that the method also includes:
Detect whether the electronic equipment is in default low-temperature condition；
If the step of electronic equipment is in default low-temperature condition, executes the input position for obtaining the fingerprint image.
9. according to the method described in claim 8, it is characterized in that, whether the detection electronic equipment is in default low temperature
State, comprising:
Image quality evaluation is carried out to the fingerprint image, obtains image quality evaluation values；
When described image quality evaluation value is in the second preset range, confirm that the electronic equipment is in default low-temperature condition.
10. according to the method described in claim 8, it is characterized in that, the detection electronic equipment whether be in preset it is low
Temperature state, comprising:
Feature extraction is carried out to the fingerprint image, obtains feature point set；
Determine the fingerprint area of the fingerprint image；
The characteristic point distribution density of the fingerprint image is determined according to the fingerprint area, the feature point set；
When the characteristic point distribution density is in third preset range, confirm that the electronic equipment is in default low-temperature condition.
11. according to the method described in claim 8, it is characterized in that, the detection electronic equipment whether be in preset it is low
Temperature state, comprising:
Obtain environment temperature；
When the environment temperature is lower than preset temperature threshold, confirm that the electronic equipment is in the default low-temperature condition.
12. according to the described in any item methods of claim 7-11, which is characterized in that the method also includes:
When user presses the display screen, pressing parameter is obtained, the pressing parameter includes pressing dynamics and pressing area；
It is greater than default dynamics threshold value in the pressing dynamics, and when the pressing area is greater than preset area threshold value, described in execution
The step of obtaining fingerprint image.
13. a kind of fingerprint identification device, which is characterized in that be applied to electronic equipment, the electronic equipment includes that optical finger print is known
Other mould group and display screen, and optical finger print identification mould group is integrated in below the display screen, described device includes: to obtain list
Member, matching unit and unlocking unit, wherein
The acquiring unit, for obtaining fingerprint image；
The matching unit obtains matching value for matching the fingerprint image with preset fingerprint template；
The acquiring unit obtains the input bit of the fingerprint image if being also used to the matching value is in the first preset range
It sets；
The unlocking unit, for executing unlock operation when the input position is predeterminated position.
14. a kind of electronic equipment, which is characterized in that including processor, memory, the memory is for storing one or more
Program, and be configured to be executed by the processor, described program includes for executing as described in claim any one of 7-12
Method in step instruction.
15. 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 such as the described in any item methods of claim 7-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458037.3A CN109376702B (en) | 2018-11-30 | 2018-11-30 | Fingerprint identification method and related product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458037.3A CN109376702B (en) | 2018-11-30 | 2018-11-30 | Fingerprint identification method and related product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109376702A true CN109376702A (en) | 2019-02-22 |
| CN109376702B CN109376702B (en) | 2021-05-04 |
Family
ID=65376562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811458037.3A Active CN109376702B (en) | 2018-11-30 | 2018-11-30 | Fingerprint identification method and related product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109376702B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110008675A (en) * | 2019-03-28 | 2019-07-12 | 南京维沃软件技术有限公司 | A kind of fingerprint identification method and mobile terminal |
| CN110286833A (en) * | 2019-06-10 | 2019-09-27 | Oppo广东移动通信有限公司 | Enabling method, electronic equipment and the computer readable storage medium of shortcut function |
| CN110400615A (en) * | 2019-07-24 | 2019-11-01 | 郑静 | Medical data processing method and Related product |
| CN110851811A (en) * | 2019-11-15 | 2020-02-28 | 美的集团股份有限公司 | Method and device for preventing misoperation of equipment |
| CN110909332A (en) * | 2019-11-15 | 2020-03-24 | 美的集团股份有限公司 | Method and device for preventing misoperation of equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10221325A1 (en) * | 2001-05-12 | 2002-11-14 | Samsung Electronics Co Ltd | Piezoelectric fingerprint sensor has pressure area on upper electrode that causes charge variation in piezoelectric membrane under pressure effect of contact with fingerprint |
| KR100798481B1 (en) * | 2006-11-15 | 2008-01-28 | 한국표준과학연구원 | Fingerprint identification device using surface pressure measurement |
| CN103995671A (en) * | 2014-06-06 | 2014-08-20 | 深圳市亚略特生物识别科技有限公司 | Touch screen unlocking method and device |
| CN104036177A (en) * | 2014-07-03 | 2014-09-10 | 南昌欧菲生物识别技术有限公司 | Intelligent terminal fingerprint unlocking device and method |
| CN106022058A (en) * | 2016-05-27 | 2016-10-12 | 广东欧珀移动通信有限公司 | Fingerprint unlocking method and terminal |
| CN106295595A (en) * | 2016-08-17 | 2017-01-04 | 深圳市金立通信设备有限公司 | A kind of method of fingerprint recognition and terminal |
| CN107480609A (en) * | 2017-07-31 | 2017-12-15 | 广东欧珀移动通信有限公司 | Fingerprint identification method and related product |
| CN107784271A (en) * | 2017-09-27 | 2018-03-09 | 广东欧珀移动通信有限公司 | Fingerprint identification method and related product |
-
2018
- 2018-11-30 CN CN201811458037.3A patent/CN109376702B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10221325A1 (en) * | 2001-05-12 | 2002-11-14 | Samsung Electronics Co Ltd | Piezoelectric fingerprint sensor has pressure area on upper electrode that causes charge variation in piezoelectric membrane under pressure effect of contact with fingerprint |
| KR100798481B1 (en) * | 2006-11-15 | 2008-01-28 | 한국표준과학연구원 | Fingerprint identification device using surface pressure measurement |
| CN103995671A (en) * | 2014-06-06 | 2014-08-20 | 深圳市亚略特生物识别科技有限公司 | Touch screen unlocking method and device |
| CN104036177A (en) * | 2014-07-03 | 2014-09-10 | 南昌欧菲生物识别技术有限公司 | Intelligent terminal fingerprint unlocking device and method |
| CN106022058A (en) * | 2016-05-27 | 2016-10-12 | 广东欧珀移动通信有限公司 | Fingerprint unlocking method and terminal |
| CN106295595A (en) * | 2016-08-17 | 2017-01-04 | 深圳市金立通信设备有限公司 | A kind of method of fingerprint recognition and terminal |
| CN107480609A (en) * | 2017-07-31 | 2017-12-15 | 广东欧珀移动通信有限公司 | Fingerprint identification method and related product |
| CN107784271A (en) * | 2017-09-27 | 2018-03-09 | 广东欧珀移动通信有限公司 | Fingerprint identification method and related product |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110008675A (en) * | 2019-03-28 | 2019-07-12 | 南京维沃软件技术有限公司 | A kind of fingerprint identification method and mobile terminal |
| CN110286833A (en) * | 2019-06-10 | 2019-09-27 | Oppo广东移动通信有限公司 | Enabling method, electronic equipment and the computer readable storage medium of shortcut function |
| CN110400615A (en) * | 2019-07-24 | 2019-11-01 | 郑静 | Medical data processing method and Related product |
| CN110851811A (en) * | 2019-11-15 | 2020-02-28 | 美的集团股份有限公司 | Method and device for preventing misoperation of equipment |
| CN110909332A (en) * | 2019-11-15 | 2020-03-24 | 美的集团股份有限公司 | Method and device for preventing misoperation of equipment |
| CN110851811B (en) * | 2019-11-15 | 2022-02-15 | 美的集团股份有限公司 | Method and device for preventing misoperation of equipment |
| CN110909332B (en) * | 2019-11-15 | 2022-03-04 | 美的集团股份有限公司 | Method and device for preventing misoperation of equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109376702B (en) | 2021-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109241859A (en) | Fingerprint identification method and Related product | |
| CN109583356B (en) | Fingerprint identification method and related product | |
| CN109376702A (en) | Fingerprint identification method and Related product | |
| CN109614865B (en) | Fingerprint identification method and related product | |
| CN106227437B (en) | A kind of unlocked by fingerprint method and terminal | |
| CN107480610A (en) | Fingerprint identification method and related product | |
| CN110020622A (en) | Fingerprint identification method and Related product | |
| CN109376700A (en) | Fingerprint identification method and Related product | |
| CN109543570B (en) | Fingerprint identification method and related product | |
| CN109283996A (en) | Display control method and Related product | |
| CN109657561A (en) | Fingerprint collecting method and Related product | |
| CN110287680A (en) | Unlocked by fingerprint method and Related product | |
| CN109145800A (en) | Fingerprint template update method and Related product | |
| CN109117619A (en) | Unlocked by fingerprint method and Related product | |
| CN107527020A (en) | Biometric discrimination method and Related product | |
| CN107194325A (en) | Palmmprint acquisition method and Related product | |
| CN110162953A (en) | Biometric discrimination method and Related product | |
| CN110363535A (en) | Pay abnormity prompt method and Related product | |
| CN109348528A (en) | Display control method and Related product | |
| CN105868598A (en) | Method and terminal for fingerprint unlocking | |
| CN110188666B (en) | Vein collection method and related products | |
| CN110309776A (en) | Fingerprint template input method and Related product | |
| CN110162264A (en) | Application processing method and Related product | |
| CN109376701A (en) | Fingerprint identification method and Related product | |
| CN109815670A (en) | Document handling method and Related product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |