CN109657561A - Fingerprint collecting method and Related product - Google Patents

Fingerprint collecting method and Related product Download PDF

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Publication number
CN109657561A
CN109657561A CN201811417847.4A CN201811417847A CN109657561A CN 109657561 A CN109657561 A CN 109657561A CN 201811417847 A CN201811417847 A CN 201811417847A CN 109657561 A CN109657561 A CN 109657561A
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China
Prior art keywords
fingerprint
target
duration
pressing
mould group
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Granted
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CN201811417847.4A
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Chinese (zh)
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CN109657561B (en
Inventor
袁石林
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201811417847.4A priority Critical patent/CN109657561B/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms
    • 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
    • G06V40/1347—Preprocessing; Feature extraction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The embodiment of the present application discloses a kind of fingerprint collecting method and Related product, applied to electronic equipment, the electronic equipment includes optical finger print identification mould group, wherein method includes: when environment temperature is lower than preset temperature, if user presses optical finger print and identifies mould group, determine target fingerprint acquisition duration corresponding with environment temperature and target fingerprint scan frequency, target fingerprint acquires duration and is greater than fixed fingerprint collecting duration, in target fingerprint acquisition duration, optical finger print identification mould group can complete multiple finger scan；It controls optical finger print identification mould group and carries out fingerprint collecting according to target fingerprint acquisition duration and target fingerprint scan frequency, obtain multiple fingerprint images；The best target fingerprint image of picture quality is chosen from multiple fingerprint images, target fingerprint image is identified for subsequent fingerprint.Fingerprint image acquisition quality is able to ascend using the embodiment of the present application.

Description

Fingerprint collecting method and Related product
Technical field
This application involves technical field of electronic equipment, and in particular to a kind of fingerprint collecting 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, main work It is as principle: is shone using display screen itself, when finger is placed on screen, self-luminous is reflected when reaching finger, and optics refers to Line identification mould group receives the optical signal of reflection, and due to the rough lines of fingerprint, light absorption amplitude is different, to obtain The different fingerprint image of light and shade, still, at low temperatures, the finger of user will appear dry finger, since lines is shallow and dry It is dry, cause the fingerprint image of acquisition unintelligible, therefore, reduces fingerprint image acquisition quality.
Summary of the invention
The embodiment of the present application provides a kind of fingerprint collecting method and Related product, can promote fingerprint image acquisition matter Amount.
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 processing circuit connection optical finger print identifies mould group, in which:
The processing circuit is used for when environment temperature is lower than preset temperature, if user presses the optical finger print identification Mould group determines target fingerprint acquisition duration corresponding with the environment temperature and target fingerprint scan frequency, the target fingerprint It acquires duration and is greater than fixed fingerprint collecting duration, in target fingerprint acquisition duration, the optical finger print identifies mould group energy Enough complete multiple finger scan；
The optical finger print identifies mould group, for acquiring duration and target fingerprint scanning frequency according to the target fingerprint Rate carries out fingerprint collecting, obtains multiple fingerprint images；
The processing circuit is also used to choose the best target fingerprint figure of picture quality from multiple described fingerprint images Picture, the target fingerprint image are identified for subsequent fingerprint.
Second aspect, the embodiment of the present application provide a kind of fingerprint collecting method, are applied to electronic equipment, the electronic equipment Mould group is identified including optical finger print, which comprises
When environment temperature is lower than preset temperature, if user presses the optical finger print and identifies mould group, the determining and ring The corresponding target fingerprint acquisition duration of border temperature and target fingerprint scan frequency, the target fingerprint acquisition duration are greater than fixation and refer to Line acquires duration, and in target fingerprint acquisition duration, the optical finger print identification mould group can complete multiple finger scan；
It controls the optical finger print identification mould group and acquires duration and target fingerprint scanning frequency according to the target fingerprint Rate carries out fingerprint collecting, obtains multiple fingerprint images；
The best target fingerprint image of picture quality is chosen from multiple described fingerprint images, the target fingerprint image is used It is identified in subsequent fingerprint.
The third aspect, the embodiment of the present application provide a kind of fingerprint acquisition device, are applied to electronic equipment, and the electronics is set Standby includes that optical finger print identifies that mould group, described device comprise determining that unit, acquisition unit and selection unit, wherein
The determination unit is used for when environment temperature is lower than preset temperature, if user presses the optical finger print identification Mould group determines target fingerprint acquisition duration corresponding with the environment temperature and target fingerprint scan frequency, the target fingerprint It acquires duration and is greater than fixed fingerprint collecting duration, in target fingerprint acquisition duration, the optical finger print identifies mould group energy Enough complete multiple finger scan；
The acquisition unit acquires duration and institute according to the target fingerprint for controlling the optical finger print identification mould group It states target fingerprint scan frequency and carries out fingerprint collecting, obtain multiple fingerprint images；
The selection unit, for choosing the best target fingerprint image of picture quality from multiple described fingerprint images, The target fingerprint image is identified for subsequent fingerprint.
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 collecting method and Related product described in the embodiment of the present application, are applied to electronic equipment, The electronic equipment includes optical finger print identification mould group, when environment temperature is lower than preset temperature, if user presses optical finger print and knows Other mould group determines target fingerprint acquisition duration corresponding with environment temperature and target fingerprint scan frequency, when target fingerprint acquires Long to be greater than fixed fingerprint collecting duration, in target fingerprint acquisition duration, optical finger print identification mould group can complete multiple fingerprint Scanning, control optical finger print identification mould group carry out fingerprint collecting according to target fingerprint acquisition duration and target fingerprint scan frequency, Multiple fingerprint images are obtained, the best target fingerprint image of picture quality, target fingerprint image are chosen from multiple fingerprint images It identifies for subsequent fingerprint, due to extending fingerprint collecting duration, then during user presses optical finger print identification mould group, uses Family intentional can hold down finger, thus, promote finger secretion point sweat, under the action of sweat, finger is got wet, to the line of finger For road, the place absorption light for having sweat is more, thus, improve the comparison between the peaks and troughs of fingerprint lines Degree, image is relatively sharp, so, it is possible to promote fingerprint image acquisition quality.
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 collecting 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 collecting method provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；
Fig. 4 A is a kind of functional unit composition block diagram of fingerprint acquisition device provided by the embodiments of the present application；
Fig. 4 B is the functional unit composition block diagram of another fingerprint acquisition device provided by the embodiments of the present application.
Specific embodiment
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.
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.
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, temperature Sensor, touch sensor are (for example, be based on light touch sensor and/or capacitive touch sensors, wherein touch sensor The a part that can be touching display screen can also be used as a touch sensor arrangement and independently use), acceleration transducer, Camera and other sensors etc., camera can be front camera or rear camera, and optical finger print identifies that mould group can It is integrated in below display screen, 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 processing circuit is used for when environment temperature is lower than preset temperature, if user presses the optical finger print identification Mould group determines target fingerprint acquisition duration corresponding with the environment temperature and target fingerprint scan frequency, the target fingerprint It acquires duration and is greater than fixed fingerprint collecting duration, in target fingerprint acquisition duration, the optical finger print identifies mould group energy Enough complete multiple finger scan；
The optical finger print identifies mould group, for acquiring duration and target fingerprint scanning frequency according to the target fingerprint Rate carries out fingerprint collecting, obtains multiple fingerprint images；
The processing circuit is also used to choose the best target fingerprint figure of picture quality from multiple described fingerprint images Picture, the target fingerprint image are identified for subsequent fingerprint.
In a possible example, the optical finger print identification mould group is integrated in the lower section of the display screen,
The display screen presses the pressing parameter of the electronic equipment for obtaining user；
The processing circuit is compared also particularly useful for by the pressing parameter with default pressing parameter；
When the pressing parameter and the default pressing parameter compare successfully, confirm that the user presses the optics and refers to Line identifies mould group.
In a possible example, the pressing parameter includes pressing dynamics, pressing area and pressing area；It is described pre- If pressing parameter includes default pressing dynamics, default pressing area and fingerprint collecting region, the fingerprint collecting region is described Optical finger print identifies mould group region；
Aspect is compared with default pressing parameter in the pressing parameter described, the processing circuit is specifically used for:
When the pressing dynamics are greater than the default pressing dynamics, determine that being located at the fingerprint in the pressing area adopts The target for collecting region presses area；
When target pressing area is greater than the default pressing area, confirm that the pressing parameter is pressed with described preset Pressure parameter compares successfully.
In a possible example, in determination target fingerprint acquisition duration corresponding with the environment temperature and mesh In terms of marking finger scan frequency, the processing circuit is specifically used for:
According to the mapping relations between preset temperature and fingerprint collecting duration, the environment temperature corresponding first is determined Fingerprint collecting duration；
According to the mapping relations between preset dynamics and acquisition duration adjustment parameter, determine that the pressing dynamics are corresponding Target acquires duration adjustment parameter；
The first fingerprint collecting duration is adjusted according to target acquisition duration adjustment parameter, obtains the mesh Mark fingerprint collecting duration；
According to the mapping relations between preset temperature and finger scan frequency, determine that the environment temperature is corresponding described Target fingerprint scan frequency.
In a possible example, refer in the best target of picture quality of being chosen from multiple described fingerprint images In terms of print image, the processing circuit is specifically used for:
Image quality evaluation is carried out to each fingerprint image in multiple described fingerprint images, multiple images quality is obtained and comments Value；
Maximum image quality evaluation value is chosen from described multiple images quality evaluation value, by the maximum image quality evaluation It is worth corresponding fingerprint image as the target fingerprint image.
Figure 1B is please referred to, Figure 1B is a kind of flow diagram of fingerprint collecting method provided by the embodiments of the present application, is such as schemed Shown, applied to electronic equipment as shown in Figure 1A, which includes optical finger print identification mould group, optical finger print identification Mould group is integrated in the lower section of display screen, this fingerprint collecting method includes:
101, when environment temperature is lower than preset temperature, if user presses the optical finger print and identifies mould group, determining and institute The corresponding target fingerprint acquisition duration of environment temperature and target fingerprint scan frequency are stated, the target fingerprint acquisition duration is greater than solid Determine fingerprint collecting duration, in target fingerprint acquisition duration, the optical finger print identification mould group can complete multiple fingerprint Scanning.
Wherein, in the embodiment of the present application, electronic equipment may include optical finger print identification mould group, and optical finger print identifies that mould group can To be integrated in below screen, display screen can be screen or Liu Haiping comprehensively.Fixed fingerprint can be stored in advance in electronic equipment Duration is acquired, fixed fingerprint collecting duration then can be understood as fingerprint collecting duration under normal temperature conditions, fingerprint collecting duration It can be understood as the duration that user needs to press optical finger print identification mould group.Above-mentioned preset temperature can by user's self-setting or Person's system default, above-mentioned electronic equipment may include temperature sensor, for detecting environment temperature.In the specific implementation, electronics is set It is standby can be determined and environment temperature when environment temperature is lower than preset temperature, if user presses optical finger print and identifies mould group Corresponding target fingerprint acquisition duration and target fingerprint scan frequency, when target fingerprint acquires duration greater than fixed fingerprint collecting Long, above-mentioned target fingerprint scan frequency can be fixed frequency, can also be related to temperature, at a temperature of different, target fingerprint Scan frequency can be different.In target fingerprint acquisition duration, optical finger print identification mould group can complete multiple finger scan, Finger scan of every completion, obtains a fingerprint image, for example, at low temperatures, since user will appear dry finger feelings Condition causes the acquisition quality of fingerprint image poor, therefore, user's long-pressing optical finger print can be allowed to identify mould group, in user's finger During optical finger print identification mould group pressing, finger can secrete some sweat, thus, allow user's finger to become from dry finger " not doing ", corner angle are clearly demarcated between the peak valley of the lines of finger at this time, and minutia more highlights in the fingerprint image of acquisition.
In the specific implementation, electronic equipment can also extend the sweep spacing duration of optical finger print identification mould group, sweep spacing Duration it is to be understood that optical finger print identify mould group when completing a frame fingerprint image, with carry out again next time fingerprint collecting it Between time interval duration.For example, original optical finger print identification mould group immediately carries out frame fingerprint after scanning is over Image scanning, and the application can then extend this interval duration, specifically, interval duration can be stored in advance in electronic equipment Mapping relations between temperature can determine corresponding target interval duration under environment temperature according to the mapping relations, and according to Fingerprint collecting is carried out according to target interval duration control optical finger print identification mould group, to a certain extent, electronic equipment does not have to connect It is continuous to carry out fingerprint collecting, the power consumption of electronic equipment can be reduced.
102, the optical finger print identification mould group is controlled to sweep according to target fingerprint acquisition duration and the target fingerprint It retouches frequency and carries out fingerprint collecting, obtain multiple fingerprint images.
Wherein, target fingerprint acquisition duration can be shown on the display screen of electronic equipment in the form of countdown, in this way, User is known that how long oneself need to press optical finger print identification mould group, in the specific implementation, electronic equipment can control optics Fingerprint recognition mould group carries out fingerprint collecting according to target fingerprint acquisition duration and the target fingerprint scan frequency, obtains multiple and refers to Print image, certainly, since user is during pressing optical finger print identification mould group, the sweat of secretion be also it is first few after it is more, therefore, Multiple fingerprint images also reflect that the fingerprint image characteristics point acquired at first is few to a certain extent, the fingerprint image characteristics acquired afterwards Point is more.
103, the best target fingerprint image of picture quality, the target fingerprint figure are chosen from multiple described fingerprint images As being identified for subsequent fingerprint.
Wherein, electronic equipment can choose the best target fingerprint image of picture quality, the mesh from multiple fingerprint images Mark fingerprint image can be used for subsequent fingerprint identification, for example, typing fingerprint template, alternatively, unlocked by fingerprint.
Optionally, the best target fingerprint figure of picture quality is chosen in above-mentioned steps 103 from multiple described fingerprint images Picture, it may include following steps:
31, image quality evaluation is carried out to each fingerprint image in multiple described fingerprint images, obtains multiple images matter Measure evaluation of estimate；
32, maximum image quality evaluation value is chosen from described multiple images quality evaluation value, by the maximum image quality The corresponding fingerprint image of evaluation of estimate is as the target fingerprint image.
Wherein, electronic equipment can carry out image quality evaluation to each fingerprint image in multiple fingerprint images, obtain Multiple images quality evaluation value, certainly, it is generally the case that image quality evaluation values are bigger, then picture quality is better, therefore, can To choose maximum image quality evaluation value from multiple images quality evaluation value, which is worth corresponding finger Print image is as target fingerprint image.
Optionally, above-mentioned steps 31 carry out image quality evaluation to each fingerprint image in multiple described fingerprint images, Multiple images quality evaluation value is obtained, can be implemented as follows:
Figure is carried out to each fingerprint image in multiple described fingerprint images using at least one image quality evaluation index As quality evaluation, multiple images quality evaluation value is obtained.
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.Due to being referred to using single evaluation When mark evaluates picture quality, there is certain limitation multiple images quality evaluation index therefore can be used to image Quality is evaluated, and certainly, when evaluating picture quality, not image quality evaluation index is The more the better, because of image Quality evaluation index is more, and the computation complexity of image quality assessment process is higher, and also not necessarily image quality evaluation effect is got over It is good, therefore, in the case where more demanding to image quality evaluation, 2~10 image quality evaluation indexs can be used to image Quality is evaluated.Specifically, the number and which index for choosing image quality evaluation index, according to specific implementation situation It is fixed.Certainly, also combine specifically scene choose image quality evaluation index, image quality evaluation and bright is carried out under dark situation The image quality index that image quality evaluation selection is carried out under environment can be different.
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= a1*b1+a2*b2+a3*b3.Under normal conditions, image quality evaluation values are bigger, illustrate that picture quality is better.
Optionally, when environment temperature is lower than preset temperature, can also include the following steps:
A1, the pressing parameter that user presses the electronic equipment is obtained；
A2, the pressing parameter is compared with default pressing parameter；
A3, when the pressing parameter and the default pressing parameter compare successfully, confirm user's pressing electricity The optical finger print of sub- equipment identifies mould group.
Wherein, in the embodiment of the present application, the optical finger print identification mould group of electronic equipment is integrated in below display screen, the display Screen is touching display screen, in this way, the pressing parameter of pressing optical finger print identification mould group can be detected to obtain by touching display screen, is pressed Pressing parameter can be following at least one: compressing time, pressing area, pressing area, pressing dynamics etc. do not limit herein It is fixed.Wherein, compressing time is the duration for pressing optical finger print identification mould group, and pressing area is pressing optical finger print identification mould group Pressing area, pressing area are the specific location for pressing optical finger print identification mould group, and pressing dynamics are pressing optical finger print identification The average pressing dynamics of mould group.In the specific implementation, default pressing parameter can be stored in advance in electronic equipment, pressing parameter is preset Can be following at least one: compressing time, pressing area, pressing area, pressing dynamics etc. be not limited thereto.Wherein, Compressing time is the duration for pressing optical finger print identification mould group, and pressing area is the press surface for pressing optical finger print identification mould group Product, pressing area are the specific location for pressing optical finger print identification mould group, and pressing dynamics are pressing optical finger print identification mould group Average pressing dynamics electronic equipment can obtain the pressing ginseng that user presses electronic equipment after user touches display screen Number, and the pressing parameter is compared with default pressing parameter, when pressing parameter and default pressing parameter compares successfully, really Recognize user and press the optical finger print identification mould group of electronic equipment, in this way, can realize false-touch prevention to a certain extent, press In the case that parameter and default pressing parameter compare failure, then it can be confirmed that user does not press optical finger print identification mould group.
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 A2 the pressing parameter is compared with default pressing parameter, it may include as follows Step:
A21, 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；
A22, 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 optical finger print identification mould group to a certain extent, be not accidentally to touch, in addition, pressing Great efforts can highlight the lines details of fingerprint when a certain threshold value, in turn, determine in pressing area and be located at fingerprint collecting region Target press area, during pressing, since fingerprint collecting region is limited, user not during pressing, institute Some finger positions are 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 , there can be pressing area a part during pressing and be located at fingerprint collecting region, a part is located at non-fingerprint collecting region, The display area of display screen may include fingerprint collecting region and non-fingerprint collecting region, and have touch control detection function, certainly, It is only in fingerprint collecting region, fingerprint image could be collected.Due in practical applications, if fingerprint recognition, needing Enough fingerprint characteristics are acquired, therefore, have certain requirement to target pressing area, i.e. target pressing area needs to be greater than default Area is pressed, in this case, it is believed that pressing parameter and default pressing parameter compare success, so, it is ensured that subsequent to adopt Have enough lines and minutia in the fingerprint image collected.
Still optionally further, above-mentioned steps 101 determine target fingerprint acquisition duration corresponding with the environment temperature and mesh Mark finger scan frequency, it may include following steps:
11, according to the mapping relations between preset temperature and fingerprint collecting duration, determine that the environment temperature is corresponding First fingerprint collecting duration；
12, according to the mapping relations between preset dynamics and acquisition duration adjustment parameter, the pressing dynamics pair are determined The target acquisition duration adjustment parameter answered；
13, the first fingerprint collecting duration is adjusted according to target acquisition duration adjustment parameter, obtains institute State target fingerprint acquisition duration；
14, according to the mapping relations between preset temperature and finger scan frequency, determine that the environment temperature is corresponding The target fingerprint scan frequency.
Wherein, the mapping relations between preset temperature and fingerprint collecting duration can be stored in advance in electronic equipment, into And the corresponding first fingerprint collecting duration of environment temperature can be determined according to the mapping relations, temperature is lower, then needs fingerprint to adopt Collection duration is longer, and temperature is lower after all, then secretes sweat and be more difficult to, then the pressing duration needed is longer, on the other hand, sweat secretion Speed also has certain relevance with user's pressing dynamics, for example, pressing dynamics are bigger, then it is faster to secrete speed, therefore, electronics The mapping relations that preset dynamics can also be stored in advance in equipment and acquire between duration adjustment parameter are reflected according to this in turn The relationship of penetrating determines that the corresponding target acquisition duration adjustment parameter of pressing dynamics, the value range of target acquisition duration adjustment parameter exist Between 0~1, being equivalent to pressing dynamics in turn, is adjusted according to target acquisition duration in order to which fingerprint collecting duration is adjusted The first fingerprint collecting duration is adjusted in parameter, obtains target fingerprint acquisition duration, i.e. target fingerprint acquires duration=the first Fingerprint collecting duration * target acquires duration adjustment parameter, in addition, preset temperature can also be stored in advance in electronic equipment and refer to Mapping relations between line scan frequency can determine the corresponding target fingerprint scanning frequency of environment temperature according to the mapping relations Rate.
Under illustration, at low temperatures, User Part personnel will appear apparent dry finger problem, lead to image not Clearly, to, unlock under low temperature or room temperature be caused to will appear problem, using the embodiment of the present application, is mainly used for adjusting fingerprint Typing parameter (fingerprint collecting duration and finger scan frequency), for example, the typing of a width fingerprint image is acquired by 0.5s before It is primary to be adjusted to 3s typing, i.e., user places a finger on finger-print region, and motionless, reading fingerprint image is primary after 3s, then records Enter the second width figure, successively 3 width figure of typing completes typing in this way, and finger pins the compression that finger-print region 3s is motionless, and user can be intentional Finger goes out sweat so as to cause finger, so that image can be clear, thus, allow dry finger to become wet, so that the line of fingerprint Road is more clear, and can collect the preferable fingerprint image of quality.
As can be seen that fingerprint collecting method described in the embodiment of the present application, is applied to electronic equipment, the electronic equipment Mould group is identified including optical finger print, when environment temperature is lower than preset temperature, if user presses optical finger print and identifies mould group, is determined Target fingerprint acquisition duration corresponding with environment temperature and target fingerprint scan frequency, target fingerprint acquisition duration are greater than fixation and refer to Line acquires duration, and in target fingerprint acquisition duration, optical finger print identification mould group can complete multiple finger scan, controls optics Fingerprint recognition mould group carries out fingerprint collecting according to target fingerprint acquisition duration and target fingerprint scan frequency, obtains multiple fingerprint images Picture, chooses the best target fingerprint image of picture quality from multiple fingerprint images, and target fingerprint image is known for subsequent fingerprint Not, due to extending fingerprint collecting duration, then during user presses optical finger print identification mould group, compression that user can be intentional Finger, thus, promote finger secretion point sweat, under the action of sweat, finger is got wet, and for the lines of finger, has sweat The place absorption light of liquid is more, thus, the contrast between the peaks and troughs of fingerprint lines is improved, image is more clear It is clear, it so, it is possible to promote fingerprint image acquisition quality.
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 acquisition method, as shown, being applied to electronic equipment as shown in Figure 1A, which includes optics Fingerprint recognition mould group and display screen, optical finger print identification mould group are integrated in below display screen, this fingerprint collecting method includes:
201, when environment temperature is lower than preset temperature, the pressing parameter that user presses the electronic equipment is obtained.
202, the pressing parameter is compared with default pressing parameter.
203, when the pressing parameter and the default pressing parameter compare successfully, determination is corresponding with the environment temperature Target fingerprint acquisition duration and target fingerprint scan frequency, when the target fingerprint acquisition duration is greater than fixed fingerprint collecting Long, in target fingerprint acquisition duration, the optical finger print identification mould group can complete multiple finger scan.
204, duration is acquired according to the target fingerprint and the target fingerprint scan frequency carries out fingerprint collecting, obtain more Open fingerprint image.
205, the best target fingerprint image of picture quality, the target fingerprint figure are chosen from multiple described fingerprint images As being identified for subsequent fingerprint.
Wherein, the specific descriptions of above-mentioned steps 201- step 205 are referred to fingerprint collecting side described in above-mentioned Figure 1B The corresponding steps of method, details are not described herein.
As can be seen that fingerprint collecting method described in the embodiment of the present application, is applied to electronic equipment, the electronic equipment Mould group is identified including optical finger print, when environment temperature is lower than preset temperature, obtains the pressing parameter that user presses electronic equipment, Pressing parameter is compared with default pressing parameter, when pressing parameter and default pressing parameter compares successfully, determining and ring The corresponding target fingerprint acquisition duration of border temperature and target fingerprint scan frequency, target fingerprint acquisition duration are greater than fixed fingerprint and adopt Collect duration, in target fingerprint acquisition duration, optical finger print identification mould group can complete multiple finger scan, control optical finger print It identifies that mould group carries out fingerprint collecting according to target fingerprint acquisition duration and target fingerprint scan frequency, obtains multiple fingerprint images, The best target fingerprint image of picture quality is chosen from multiple fingerprint images, target fingerprint image is identified for subsequent fingerprint, Due to extending fingerprint collecting duration, then during user presses optical finger print identification mould group, compression hand that user can be intentional Refer to, thus, promote finger secretion point sweat, under the action of sweat, finger is got wet, and for the lines of finger, has sweat Place absorb light it is more, thus, improve the contrast between the peaks and troughs of fingerprint lines, image is relatively sharp, It so, it is possible to promote fingerprint image acquisition quality.
Consistently with above-described embodiment, referring to Fig. 3, Fig. 3 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, In, said one or multiple programs are stored in above-mentioned memory, and are configured to be executed by above-mentioned processor, and the application is real It applies in example, which includes optical finger print identification mould group and display screen, and optical finger print identification mould group is integrated under display screen Side, above procedure includes the instruction for executing following steps:
When environment temperature is lower than preset temperature, if user presses the optical finger print and identifies mould group, the determining and ring The corresponding target fingerprint acquisition duration of border temperature and target fingerprint scan frequency, the target fingerprint acquisition duration are greater than fixation and refer to Line acquires duration, and in target fingerprint acquisition duration, the optical finger print identification mould group can complete multiple finger scan；
It controls the optical finger print identification mould group and acquires duration and target fingerprint scanning frequency according to the target fingerprint Rate carries out fingerprint collecting, obtains multiple fingerprint images；
The best target fingerprint image of picture quality is chosen from multiple described fingerprint images, the target fingerprint image is used It is identified in subsequent fingerprint.
As can be seen that electronic equipment described in the embodiment of the present application, which includes optical finger print identification mould Group, if user presses optical finger print and identifies mould group, determines mesh corresponding with environment temperature when environment temperature is lower than preset temperature Fingerprint collecting duration and target fingerprint scan frequency are marked, target fingerprint acquires duration and is greater than fixed fingerprint collecting duration, in target In fingerprint collecting duration, optical finger print identification mould group can complete multiple finger scan, and control optical finger print identifies mould group foundation Target fingerprint acquires duration and target fingerprint scan frequency carries out fingerprint collecting, multiple fingerprint images is obtained, from multiple fingerprint images The best target fingerprint image of picture quality is chosen as in, target fingerprint image is identified for subsequent fingerprint, is referred to due to extending Line acquires duration, then during user presses optical finger print identification mould group, user intentional can hold down finger, thus, promote Finger secretion point sweat, under the action of sweat, finger is got wet, and for the lines of finger, the place for having sweat absorbs light Line is more, thus, the contrast between the peaks and troughs of fingerprint lines is improved, image is relatively sharp, so, it is possible to be promoted Fingerprint image acquisition quality.
In a possible example, above procedure further includes the instruction for executing following steps:
Obtain the pressing parameter that user presses the electronic equipment；
The pressing parameter is compared with default pressing parameter；
When the pressing parameter and the default pressing parameter compare successfully, confirm that the user presses the electronics and sets Standby optical finger print identifies mould group.
In a possible example, the pressing parameter includes pressing dynamics, pressing area and pressing area；It is described pre- If pressing parameter includes default pressing dynamics, default pressing area and fingerprint collecting region, the fingerprint collecting region is described Optical finger print identifies mould group region；
The pressing parameter is compared aspect with default pressing parameter described, above procedure include for execute with The instruction of lower step:
When the pressing dynamics are greater than the default pressing dynamics, determine that being located at the fingerprint in the pressing area adopts The target for collecting region presses area；
When target pressing area is greater than the default pressing area, confirm that the pressing parameter is pressed with described preset Pressure parameter compares successfully.
In a possible example, determination target fingerprint acquisition duration corresponding with the environment temperature and target Finger scan frequency, comprising:
According to the mapping relations between preset temperature and fingerprint collecting duration, the environment temperature corresponding first is determined Fingerprint collecting duration；
According to the mapping relations between preset dynamics and acquisition duration adjustment parameter, determine that the pressing dynamics are corresponding Target acquires duration adjustment parameter；
The first fingerprint collecting duration is adjusted according to target acquisition duration adjustment parameter, obtains the mesh Mark fingerprint collecting duration；
According to the mapping relations between preset temperature and finger scan frequency, determine that the environment temperature is corresponding described Target fingerprint scan frequency.
In a possible example, refer in the best target of picture quality of being chosen from multiple described fingerprint images In terms of print image, above procedure includes the instruction for executing following steps:
Image quality evaluation is carried out to each fingerprint image in multiple described fingerprint images, multiple images quality is obtained and comments Value；
Maximum image quality evaluation value is chosen from described multiple images quality evaluation value, by the maximum image quality evaluation It is worth corresponding fingerprint image as the target 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. 4 A is the functional unit composition block diagram of fingerprint acquisition device 400 involved in the embodiment of the present application.The fingerprint Acquisition device 400, is applied to electronic equipment, which includes optical finger print identification mould group and display screen, the optical finger print Identification mould group can be integrated in below display screen, and described device 400 comprises determining that unit 401, acquisition unit 402 and selection unit 403, wherein
The determination unit 401 is used for when environment temperature is lower than preset temperature, if user presses the optical finger print and knows Other mould group determines that target fingerprint acquisition duration corresponding with the environment temperature and target fingerprint scan frequency, the target refer to Line acquires duration and is greater than fixed fingerprint collecting duration, and in target fingerprint acquisition duration, the optical finger print identifies mould group It can complete multiple finger scan；
The acquisition unit 402 acquires duration according to the target fingerprint for controlling the optical finger print identification mould group Fingerprint collecting is carried out with the target fingerprint scan frequency, obtains multiple fingerprint images；
The selection unit 403, for choosing the best target fingerprint figure of picture quality from multiple described fingerprint images Picture, the target fingerprint image are identified for subsequent fingerprint.
As can be seen that fingerprint acquisition device described in the embodiment of the present application, is applied to electronic equipment, the electronic equipment Mould group is identified including optical finger print, when environment temperature is lower than preset temperature, if user presses optical finger print and identifies mould group, is determined Target fingerprint acquisition duration corresponding with environment temperature and target fingerprint scan frequency, target fingerprint acquisition duration are greater than fixation and refer to Line acquires duration, and in target fingerprint acquisition duration, optical finger print identification mould group can complete multiple finger scan, controls optics Fingerprint recognition mould group carries out fingerprint collecting according to target fingerprint acquisition duration and target fingerprint scan frequency, obtains multiple fingerprint images Picture, chooses the best target fingerprint image of picture quality from multiple fingerprint images, and target fingerprint image is known for subsequent fingerprint Not, due to extending fingerprint collecting duration, then during user presses optical finger print identification mould group, compression that user can be intentional Finger, thus, promote finger secretion point sweat, under the action of sweat, finger is got wet, and for the lines of finger, has sweat The place absorption light of liquid is more, thus, the contrast between the peaks and troughs of fingerprint lines is improved, image is more clear It is clear, it so, it is possible to promote fingerprint image acquisition quality.
In a possible example, as shown in Figure 4 B, Fig. 4 B is the another modification of fingerprint acquisition device shown in Fig. 4 A Structure can also include: acquiring unit 404 and comparing unit 405 compared with Fig. 4 A, specific as follows:
Acquiring unit 404 presses the pressing parameter of the electronic equipment for obtaining user；
Comparing unit 405, for the pressing parameter to be compared with default pressing parameter；By the determination unit 401 when the pressing parameter and the default pressing parameter compare successfully, when environment temperature is lower than preset temperature, if user The optical finger print identification mould group is pressed, determines that target fingerprint acquisition duration corresponding with the environment temperature and target fingerprint are swept Frequency is retouched,
In a possible example, the pressing parameter includes pressing dynamics, pressing area and pressing area；It is described pre- If pressing parameter includes default pressing dynamics, default pressing area and fingerprint collecting region, the fingerprint collecting region is described Optical finger print identifies mould group region；
Aspect is compared with default pressing parameter for the pressing parameter described, the comparing unit 405 is specifically used In:
When the pressing dynamics are greater than the default pressing dynamics, determine that being located at the fingerprint in the pressing area adopts The target for collecting region presses area；
When target pressing area is greater than the default pressing area, confirm that the pressing parameter is pressed with described preset Pressure parameter compares successfully.
In a possible example, in determination target fingerprint acquisition duration corresponding with the environment temperature and mesh In terms of marking finger scan frequency, the determination unit 401 is specifically used for:
According to the mapping relations between preset temperature and fingerprint collecting duration, the environment temperature corresponding first is determined Fingerprint collecting duration；
According to the mapping relations between preset dynamics and acquisition duration adjustment parameter, determine that the pressing dynamics are corresponding Target acquires duration adjustment parameter；
The first fingerprint collecting duration is adjusted according to target acquisition duration adjustment parameter, obtains the mesh Mark fingerprint collecting duration；
According to the mapping relations between preset temperature and finger scan frequency, determine that the environment temperature is corresponding described Target fingerprint scan frequency.
In a possible example, refer in the best target of picture quality of being chosen from multiple described fingerprint images In terms of print image, the selection unit 403 is specifically used for:
Image quality evaluation is carried out to each fingerprint image in multiple described fingerprint images, multiple images quality is obtained and comments Value；
Maximum image quality evaluation value is chosen from described multiple images quality evaluation value, by the maximum image quality evaluation It is worth corresponding fingerprint image as the target 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 (13)

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 identifies mould group, in which:
The processing circuit is used for when environment temperature is lower than preset temperature, if user presses the optical finger print and identifies mould group, Target fingerprint acquisition duration corresponding with the environment temperature and target fingerprint scan frequency are determined, when the target fingerprint acquires Long to be greater than fixed fingerprint collecting duration, in target fingerprint acquisition duration, the optical finger print identification mould group can be completed Multiple finger scan；
The optical finger print identifies mould group, for according to the target fingerprint acquire duration and the target fingerprint scan frequency into Row fingerprint collecting obtains multiple fingerprint images；
The processing circuit is also used to choose the best target fingerprint image of picture quality, institute from multiple described fingerprint images Target fingerprint image is stated to identify for subsequent fingerprint.
2. electronic equipment according to claim 1, which is characterized in that the electronic equipment further includes display screen, the light The lower section that fingerprint recognition mould group is integrated in the display screen is learned,
The display screen presses the pressing parameter of the electronic equipment for obtaining user；
The processing circuit is compared also particularly useful for by the pressing parameter with default pressing parameter；
When the pressing parameter and the default pressing parameter compare successfully, confirm that the user presses the optical finger print and knows Other mould group.
3. electronic equipment according to claim 2, which is characterized in that the pressing parameter includes pressing dynamics, press surface Long-pending and pressing area；The default pressing parameter includes default pressing dynamics, presets pressing area and fingerprint collecting region, described Fingerprint collecting region is that the optical finger print identifies mould group region；
Aspect is compared with default pressing parameter in the pressing parameter described, the processing circuit is specifically used for:
When the pressing dynamics are greater than the default pressing dynamics, determine and be located at the fingerprint collecting area in the pressing area The target in domain presses area；
When target pressing area is greater than the default pressing area, confirm that the pressing parameter and the default pressing are joined Number compares successfully.
4. electronic equipment according to claim 3, which is characterized in that in determination mesh corresponding with the environment temperature In terms of marking fingerprint collecting duration and target fingerprint scan frequency, the processing circuit is specifically used for:
According to the mapping relations between preset temperature and fingerprint collecting duration, corresponding first fingerprint of the environment temperature is determined Acquire duration；
According to the mapping relations between preset dynamics and acquisition duration adjustment parameter, the corresponding target of the pressing dynamics is determined Acquire duration adjustment parameter；
The first fingerprint collecting duration is adjusted according to target acquisition duration adjustment parameter, the target is obtained and refers to Line acquires duration；
According to the mapping relations between preset temperature and finger scan frequency, the corresponding target of the environment temperature is determined Finger scan frequency.
5. electronic equipment according to claim 1-4, which is characterized in that described from multiple described fingerprint images Middle to choose the best target fingerprint image aspect of picture quality, the processing circuit is specifically used for:
Image quality evaluation is carried out to each fingerprint image in multiple described fingerprint images, obtains multiple images quality evaluation Value；
Maximum image quality evaluation value is chosen from described multiple images quality evaluation value, by the maximum image quality evaluation value pair The fingerprint image answered is as the target fingerprint image.
6. a kind of fingerprint collecting method, which is characterized in that be applied to electronic equipment, the electronic equipment includes optical finger print identification Mould group, which comprises
When environment temperature is lower than preset temperature, if user presses the optical finger print and identifies mould group, the determining and environment temperature Corresponding target fingerprint acquisition duration and target fingerprint scan frequency are spent, the target fingerprint acquisition duration is greater than fixed fingerprint and adopts Collect duration, in target fingerprint acquisition duration, the optical finger print identification mould group can complete multiple finger scan；
Control optical finger print identification mould group according to the target fingerprint acquire duration and the target fingerprint scan frequency into Row fingerprint collecting obtains multiple fingerprint images；
The best target fingerprint image of picture quality is chosen from multiple described fingerprint images, after the target fingerprint image is used for Continuous fingerprint recognition.
7. according to the method described in claim 6, it is characterized in that, the method also includes:
Obtain the pressing parameter that user presses the electronic equipment；
The pressing parameter is compared with default pressing parameter；
When the pressing parameter and the default pressing parameter compare successfully, confirm that the user presses the electronic equipment Optical finger print identifies mould group.
8. the method according to the description of claim 7 is characterized in that the pressing parameter include pressing dynamics, pressing area and Pressing area；The default pressing parameter includes default pressing dynamics, default pressing area and fingerprint collecting region, the fingerprint Pickup area is that the optical finger print identifies mould group region；
It is described that the pressing parameter is compared with default pressing parameter, comprising:
When the pressing dynamics are greater than the default pressing dynamics, determine and be located at the fingerprint collecting area in the pressing area The target in domain presses area；
When target pressing area is greater than the default pressing area, confirm that the pressing parameter and the default pressing are joined Number compares successfully.
9. according to the method described in claim 8, it is characterized in that, determination target fingerprint corresponding with the environment temperature Acquire duration and target fingerprint scan frequency, comprising:
According to the mapping relations between preset temperature and fingerprint collecting duration, corresponding first fingerprint of the environment temperature is determined Acquire duration；
According to the mapping relations between preset dynamics and acquisition duration adjustment parameter, the corresponding target of the pressing dynamics is determined Acquire duration adjustment parameter；
The first fingerprint collecting duration is adjusted according to target acquisition duration adjustment parameter, the target is obtained and refers to Line acquires duration；
According to the mapping relations between preset temperature and finger scan frequency, the corresponding target of the environment temperature is determined Finger scan frequency.
10. the method according to claim 6, which is characterized in that described to be selected from multiple described fingerprint images Take the target fingerprint image that picture quality is best, comprising:
Image quality evaluation is carried out to each fingerprint image in multiple described fingerprint images, obtains multiple images quality evaluation Value；
Maximum image quality evaluation value is chosen from described multiple images quality evaluation value, by the maximum image quality evaluation value pair The fingerprint image answered is as the target fingerprint image.
11. a kind of fingerprint acquisition device, which is characterized in that be applied to electronic equipment, the electronic equipment includes that optical finger print is known Other mould group, described device comprise determining that unit, acquisition unit and selection unit, wherein
The determination unit is used for when environment temperature is lower than preset temperature, if user presses the optical finger print and identifies mould group, Target fingerprint acquisition duration corresponding with the environment temperature and target fingerprint scan frequency are determined, when the target fingerprint acquires Long to be greater than fixed fingerprint collecting duration, in target fingerprint acquisition duration, the optical finger print identification mould group can be completed Multiple finger scan；
The acquisition unit acquires duration and the mesh according to the target fingerprint for controlling the optical finger print identification mould group It marks finger scan frequency and carries out fingerprint collecting, obtain multiple fingerprint images；
The selection unit, it is described for choosing the best target fingerprint image of picture quality from multiple described fingerprint images Target fingerprint image is identified for subsequent fingerprint.
12. 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 6-10 Method in step instruction.
13. 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 6-10.
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