CN110390319A - Fingerprint identification method and Related product - Google Patents
Fingerprint identification method and Related product Download PDFInfo
- Publication number
- CN110390319A CN110390319A CN201910696649.4A CN201910696649A CN110390319A CN 110390319 A CN110390319 A CN 110390319A CN 201910696649 A CN201910696649 A CN 201910696649A CN 110390319 A CN110390319 A CN 110390319A
- Authority
- CN
- China
- Prior art keywords
- working frequency
- ultrasonic wave
- mould group
- wave mould
- fingerprint
- 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
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
- G06V10/443—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components by matching or filtering
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
- G06V10/752—Contour matching
-
- 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
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
-
- 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
-
- 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)
- Multimedia (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Human Computer Interaction (AREA)
- Artificial Intelligence (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- Databases & Information Systems (AREA)
- Evolutionary Computation (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Software Systems (AREA)
- Collating Specific Patterns (AREA)
Abstract
It includes ultrasonic wave mould group that the embodiment of the present application, which discloses a kind of fingerprint identification method and Related product, the electronic equipment, and wherein method includes: to obtain the first working frequency of echo signal, and the echo signal is acoustic signals or electromagnetic wave signal；Obtain the second working frequency of the ultrasonic wave mould group；When there is interference between first working frequency and second working frequency, the working frequency of the ultrasonic wave mould group is switched to third working frequency by second working frequency, the annoyance level between the third working frequency and first working frequency is less than the annoyance level between first working frequency and second working frequency；Fingerprint collecting is carried out with the third working frequency by the ultrasonic wave mould group, obtains target fingerprint image.The fingerprint collecting efficiency of ultrasonic wave mould group can be promoted in the case where ultrasonic wave mould group is by external interference 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,
Ultrasonic fingerprint identification technology is increasingly by the favor of supplier, and still, ultrasonic wave mould group is possible to dry by external sound wave
Disturb, therefore, how in the case where being interfered, promoted ultrasonic wave mould group fingerprint collecting efficiency the problem of it is urgently to be resolved.
Summary of the invention
The embodiment of the present application provides a kind of fingerprint identification method and Related product, can be in ultrasonic wave mould group by the external world
In the case where interference, the fingerprint collecting efficiency of ultrasonic wave mould group is promoted.
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 ultrasonic wave mould group and antenna of the processing circuit connection, wherein
The antenna, for obtaining the first working frequency of echo signal, the echo signal is acoustic signals or electricity
Magnetostatic wave signal；
The processing circuit, for obtaining the second working frequency of the ultrasonic wave mould group；And in first work
When there is interference between frequency and second working frequency, the working frequency of the ultrasonic wave mould group is worked by described second
Frequency error factor is third working frequency, and the annoyance level between the third working frequency and first working frequency is less than institute
State the annoyance level between the first working frequency and second working frequency；
The ultrasonic wave mould group obtains target fingerprint image for carrying out fingerprint collecting with the third working frequency.
Second aspect, the embodiment of the present application provide a kind of fingerprint identification method, are applied to electronic equipment, the electronic equipment
Including ultrasonic wave mould group；The described method includes:
The first working frequency of echo signal is obtained, the echo signal is acoustic signals or electromagnetic wave signal；
Obtain the second working frequency of the ultrasonic wave mould group；
When there is interference between first working frequency and second working frequency, by the ultrasonic wave mould group
Working frequency is switched to third working frequency, the third working frequency and the first work frequency by second working frequency
Annoyance level between rate is less than the annoyance level between first working frequency and second working frequency；
Fingerprint collecting is carried out with the third working frequency by the ultrasonic wave mould group, obtains target fingerprint image.
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 ultrasonic wave mould group；Described device includes: first acquisition unit, second acquisition unit, switch unit and acquisition unit,
In,
The first acquisition unit, for obtaining the first working frequency of echo signal, the echo signal is sound wave letter
Number or electromagnetic wave signal；
The second acquisition unit, for obtaining the second working frequency of the ultrasonic wave mould group；
The switch unit, when for there is interference between first working frequency and second working frequency,
The working frequency of the ultrasonic wave mould group is switched to third working frequency, the third work frequency by second working frequency
Annoyance level between rate and first working frequency is less than between first working frequency and second working frequency
Annoyance level；
The acquisition unit is obtained for carrying out fingerprint collecting by the ultrasonic wave mould group with the third working frequency
To target fingerprint image.
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.
Implement the embodiment of the present application, have it is following the utility model has the advantages that
As can be seen that fingerprint identification method and Related product described in the embodiment of the present application, are applied to electronic equipment,
The electronic equipment includes ultrasonic wave mould group, obtains the first working frequency of echo signal, the echo signal be acoustic signals or
Electromagnetic wave signal obtains the second working frequency of ultrasonic wave mould group, exists between the first working frequency and the second working frequency
When interference, the working frequency of ultrasonic wave mould group is switched to third working frequency by the second working frequency, third working frequency with
Annoyance level between first working frequency is less than the annoyance level between the first working frequency and the second working frequency, by super
Sound wave mould group with third working frequency carry out fingerprint collecting, obtain target fingerprint image, in this way, can ultrasonic wave mould group by
When interference, switch the working frequency of ultrasonic wave mould group, is conducive to the fingerprint collecting efficiency for promoting ultrasonic wave mould group.
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 the structural schematic diagram of another electronic equipment provided by the embodiments of the present application；
Fig. 1 C is a kind of flow diagram of fingerprint identification method provided by the embodiments of the present application；
Fig. 1 D is a kind of demonstration schematic diagram in fingerprint collecting region 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 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 identification device provided by the embodiments of the present application；
Fig. 4 B is the functional unit composition block diagram of another fingerprint identification device provided by the embodiments of the present application；
Fig. 4 C is the functional unit composition block diagram of another fingerprint identification device provided by the embodiments of the present application；
Fig. 4 D is the functional unit composition block diagram of another fingerprint identification 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, 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 ultrasonic wave mould group, can also include ambient light sensor, the proximity sensor based on light and capacitor,
Touch sensor is (for example, be based on light touch sensor and/or capacitive touch sensors, wherein touch sensor can be touching
The a part for controlling display screen, can also be used as a touch sensor arrangement and independently uses), acceleration transducer and other biographies
Sensor etc., ultrasonic wave mould group can integrate below the screen, alternatively, ultrasonic wave mould group can be set in electronic equipment side or
The person back side, is not limited thereto, which can be used 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.
In a possible example, by taking ultrasonic wave mould group is located at below screen as an example, as shown in Figure 1B, Figure 1B is electronics
A kind of structural schematic diagram of equipment, electronic equipment 100 may include glass cover-plate (Cover glass) 210, display screen (OLED)
220, adhesive layer (Adhesive) 230, substrate (TFT Glass) 240, pixel layer (Pixel) 250, piezoelectric material layer
(Copolymer) 260, Ag Ink layer 270, solidification glue-line (DAF) 280.It certainly, can also include film above above-mentioned glass cover-plate
Layer (film), film layer can be tempering film, be used to protect the display screen of electronic equipment.
Further, ultrasonic wave mould group may include: Glass layers of TFT, Pixel layers, Ink layers of Ag and solidification glue-line.
Glass layers of TFT for metal wiring, material coating；Pixel layers, the Metal electrode for being embedded on TFT Glass, as
Ultrasonic wave transmitting/received cathode, Copolymer, is also piezoelectric energy-conversion material, can " material deformation-voltage " mutually conversion；
Ink layers of Ag, it is used as ultrasonic wave transmitting/received anode；DAF is freezing plastic, for protecting ultrasonic wave mould group；Adhesive layers
It is the viscose glue by ultrasonic wave mould group station in OLED screen bottom.
In the specific implementation, ultrasonic wave mould group may include 2 states, TX state (for emitting ultrasonic wave) and RX state
(for receiving ultrasonic wave).
Under TX state, pass through electrode (Pixel negative electrode and the Ag Ink positive electricity at Copolymer (piezoelectric material) both ends
Pole) high-frequency (usually 10MHz rank) oscillator signal, such as sine wave are provided, Copolymer can generate the vibration of response frequency
And ultrasonic wave is issued, the ultrasonic wave transmitted upwards reaches the fingerprint contacted with screen surface, due to fingerprint after through OLED screen
When paddy ridge is bonded with screen, since the acoustic resistance characteristic and screen surfaces glass acoustic resistance different from those of the air in fingerprint valley are larger, refer to
The acoustic resistance characteristic of the skin histology of wrinkle ridge and screen surfaces glass acoustic resistance property difference are relatively large, and therefore, fingerprint valley ridge is to ultrasound
The reflected signal strength of wave is different.
Under RX state, ultrasonic wave mould group (Pixel- is reached when reflected ultrasonic wave again passes through display screen
Copolymer-Ag Ink) after, cause Copolymer vibration to generate electric signal, the corresponding pixel of fingerprint valley ridge of different location
The Copolymer oscillation intensity in region is of different sizes, therefore the potential difference that receives of different location Pixel also not identical (Ag
Ink is equipotential), potential difference is converted into two-dimensional picture signal, thus obtains ultrasonic fingerprint image.
Based on electronic equipment described in above-mentioned Figure 1A and Figure 1B, following function can be used to implement:
The antenna, for obtaining the first working frequency of echo signal, the echo signal is acoustic signals or electricity
Magnetostatic wave signal；
The processing circuit, for obtaining the second working frequency of the ultrasonic wave mould group；And in first work
When there is interference between frequency and second working frequency, the working frequency of the ultrasonic wave mould group is worked by described second
Frequency error factor is third working frequency, and the annoyance level between the third working frequency and first working frequency is less than institute
State the annoyance level between the first working frequency and second working frequency；
The ultrasonic wave mould group obtains target fingerprint image for carrying out fingerprint collecting with the third working frequency.
In a possible example, in terms of second working frequency for obtaining the ultrasonic wave mould group, the place
Reason circuit is specifically used for:
Obtain target environment temperature；
According to the mapping relations between preset temperature and the working frequency of the ultrasonic wave mould group, the target ring is determined
Corresponding second working frequency of border temperature.
In a possible example, the processing circuit also particularly useful for:
Determine the target energy value of the echo signal；
When the target energy value is greater than the first preset threshold, execute described in first working frequency and described the
When there is interference between two working frequencies, the working frequency of the ultrasonic wave mould group is switched to the by second working frequency
The step of three working frequencies.
In a possible example, the antenna also particularly useful for:
Obtain the signal strength indication of the echo signal；
The processing circuit also particularly useful for the signal strength indication be lower than the second preset threshold when, by the third work
Working frequency is switched to second working frequency, and carries out fingerprint by the ultrasonic wave mould group with second working frequency and adopt
Collection.
In a possible example, the processing circuit also particularly useful for:
The corresponding target fingerprint mark of the target fingerprint image is obtained, the target fingerprint mark is for identifying the mesh
Fingerprint image is marked specifically from which finger；
Obtain preset fingerprint template corresponding with target fingerprint mark；
The target fingerprint image is matched with the preset fingerprint template；
In the target fingerprint image and preset fingerprint template matching success, executes and identified with the target fingerprint
Corresponding object run.
As can be seen that electronic equipment described in the embodiment of the present application, which includes ultrasonic wave mould group, is obtained
First working frequency of echo signal, the echo signal are acoustic signals or electromagnetic wave signal, obtain the of ultrasonic wave mould group
Two working frequencies, when there is interference between the first working frequency and the second working frequency, by the working frequency of ultrasonic wave mould group
Third working frequency is switched to by the second working frequency, the annoyance level between third working frequency and the first working frequency is less than
Annoyance level between first working frequency and the second working frequency carries out fingerprint by ultrasonic wave mould group with third working frequency
Acquisition, obtains target fingerprint image, in this way, when ultrasonic wave mould group is interfered, can switch the work frequency of ultrasonic wave mould group
Rate is conducive to the fingerprint collecting efficiency for promoting ultrasonic wave mould group.
Fig. 1 C is please referred to, Fig. 1 C 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 ultrasonic wave mould group, this fingerprint identification method packet
It includes:
101, the first working frequency of echo signal is obtained, the echo signal is acoustic signals or electromagnetic wave signal.
Wherein, echo signal is the preset component from electronic equipment, alternatively, from environment, preset component can be with
For following at least one: camera, display screen, motor etc. are not limited thereto.Echo signal can for acoustic signals or
Electromagnetic wave signal.In the specific implementation, electronic equipment can receive echo signal, and obtain the first working frequency of echo signal.
In the embodiment of the present application, ultrasonic wave mould group be can integrate below display screen, as shown in figure iD, ultrasonic wave mould group pair
Fingerprint collecting region is answered, fingerprint collecting region corresponds to the touch area of all or part of display screen, and fingerprint collecting region can
It realizes and fingerprint collecting is carried out to one or more finger.It is arrived in finger touch or close to the corresponding display in fingerprint collecting region
The touch area of screen, then electronic equipment can carry out fingerprint collecting by ultrasonic wave mould group, obtain target fingerprint image.
102, the second working frequency of the ultrasonic wave mould group is obtained.
Wherein, above-mentioned second working frequency can be by system default or user's self-setting.
In a possible example, above-mentioned steps 102 obtain the second working frequency of the ultrasonic wave mould group, can be with
Include the following steps:
21, target environment temperature is obtained；
22, according to the mapping relations between preset temperature and the working frequency of the ultrasonic wave mould group, the mesh is determined
Mark corresponding second working frequency of environment temperature.
Wherein, it is influenced since the working efficiency of ultrasonic wave mould group will receive temperature, the available target of electronic equipment
Environment temperature, which can be collected by electronic equipment by temperature sensor, alternatively, can pass through weather
It is obtained using APP.It can also be stored in advance in electronic equipment between preset temperature and the working frequency of the ultrasonic wave mould group
Mapping relations can determine corresponding second working frequency of target environment temperature according to the mapping relations in turn.
103, when there is interference between first working frequency and second working frequency, by the ultrasonic wave mould
The working frequency of group is switched to third working frequency, the third working frequency and first work by second working frequency
Annoyance level between working frequency is less than the annoyance level between first working frequency and second working frequency.
Wherein, when there is interference between the first working frequency and the second working frequency, then at this point, ultrasonic wave mould group acquires
Fingerprint image in noise it is more, then fingerprint recognition success rate can be reduced, therefore, in the first working frequency and the second working frequency
When in the presence of interference, the working frequency of ultrasonic wave mould group can be switched to third work frequency by the second working frequency by electronic equipment
Rate, the annoyance level between third working frequency and the first working frequency is less than between the first working frequency and the second working frequency
Annoyance level.
In a possible example, between above-mentioned steps 102- step 103, it can also include the following steps:
A1, the target energy value for determining the echo signal；
A2, when the target energy value is greater than the first preset threshold, execute described in first working frequency and institute
When stating between the second working frequency in the presence of interference, the working frequency of the ultrasonic wave mould group is switched by second working frequency
The step of for third working frequency.
Wherein, above-mentioned first preset threshold can be by user's self-setting or system default.In the specific implementation, electronics is set
The standby target energy value that can determine echo signal can execute step 103 when the target energy value is greater than preset threshold,
That is a possibility that energy of echo signal is bigger, then it interferes ultrasonic wave mould group is bigger, therefore, can be in the target of echo signal
When energy value is greater than the first preset threshold, otherwise step 103 can not then be executed, i.e., in echo signal by executing step 103
When energy is smaller, then it is smaller to the interference of ultrasonic wave mould group, then ultrasonic wave mould group can switch without working frequency.
104, fingerprint collecting is carried out with the third working frequency by the ultrasonic wave mould group, obtains target fingerprint figure
Picture.
Wherein, ultrasonic wave mould group not only carries out fingerprint collecting with third working frequency, and ultrasonic wave mould group can also include it
His running parameter, which can be following at least one: transmission power, the ultrasonic wave mould group of ultrasonic wave mould group
Operation wavelength, the operating current of ultrasonic wave mould group, the operating voltage of ultrasonic wave mould group and operating power of ultrasonic wave mould group etc.,
It is not limited thereto.
In a possible example, before above-mentioned steps 101, it can also include the following steps:
B1, proximity test is carried out by the ultrasonic wave mould group；
B2, when detecting close to object at a distance between the ultrasonic wave mould group less than the first pre-determined distance, obtain
The target image close to object；
B3, contours extract is carried out to the target image, obtains objective contour image；
B4, when the objective contour image meets preset requirement, confirm that described close to object is finger, and connect described
When nearly the distance between object and the ultrasonic wave mould group are less than the second pre-determined distance, execution is described to pass through the ultrasonic wave mould group
The step of carrying out fingerprint collecting with the third working frequency, second pre-determined distance are less than first pre-determined distance.
Wherein, above-mentioned first pre-determined distance, the second pre-determined distance can by user's self-setting or system default,
Two pre-determined distances are less than the first pre-determined distance.It is above-mentioned close to object can be finger or other objects.Above-mentioned preset requirement
Mesh for example, the shape of objective contour image is finger contours shape, then can be confirmed by user's self-setting or system default
Mark contour images meet preset requirement, in another example, the mean breadth of objective contour image is in preset range, then confirms target wheel
Wide image meets preset requirement etc., in the specific implementation, electronic equipment can carry out proximity test by ultrasonic wave mould group, is examining
When measuring close to the distance between object and ultrasonic wave mould group less than the first pre-determined distance, then the available target close to object
Image can carry out contours extract to target image in turn, specifically, can carry out Hough transformation to target image, obtain mesh
Contour images are marked, when objective contour image meets preset requirement, confirmation is that finger in turn can be in proximity object close to object
When the distance between body and ultrasonic wave mould group are less than the second pre-determined distance, fingerprint collecting is carried out.
In a possible example, after above-mentioned steps 104, it can also include the following steps:
C1, the signal strength indication for obtaining the echo signal；
C2, when the signal strength indication is lower than the second preset threshold, the third working frequency is switched to described the
Two working frequencies, and fingerprint collecting is carried out with second working frequency by the ultrasonic wave mould group.
Wherein, above-mentioned second preset threshold can be by user's self-setting or system default.In the specific implementation, electronics is set
The signal strength indication of standby available echo signal, the Target Signal Strength value is bigger, then illustrates the first working frequency and second
Annoyance level between working frequency is bigger, the signal strength indication of the available echo signal of electronic equipment, in signal strength indication
When lower than the second preset threshold, then illustrate electronic equipment far from the corresponding signal source of echo signal, alternatively, illustrating signal source signal
It dies down, the annoyance level between the first working frequency and the second working frequency reduces, then can be switched to third working frequency
Second working frequency, and fingerprint collecting is realized with the second working frequency by ultrasonic wave mould group.
In a possible example, after above-mentioned steps 104, it can also include the following steps:
D1, the corresponding target fingerprint mark of the target fingerprint image is obtained, the target fingerprint mark is for identifying
Target fingerprint image is stated specifically from which finger；
D2, preset fingerprint template corresponding with target fingerprint mark is obtained；
D3, the target fingerprint image is matched with the preset fingerprint template；
D4, the target fingerprint image and the preset fingerprint template matching success when, execute with the target fingerprint
Identify corresponding object run.
Wherein, have above-mentioned it is found that ultrasonic wave mould group can not only acquire fingerprint, the profile of user hand can also be acquired, lead to
Crossing finger contours can be determined which finger finger is, for example, left hand thumb, in another example, right hand thumb, in electronic equipment
The mapping relations between fingerprint and operation can also be stored in advance, different fingerprints corresponds to different operations, above-mentioned
Object run can be following at least one: starting application operating, closing application operating, delivery operation, delete operation, take pictures behaviour
Make, storage operation, be enlarged, replicating operation, shearing manipulation, unlock operation, cryptographic operation etc., being not limited thereto.Tool
During body is realized, the corresponding target fingerprint mark of the available target fingerprint image of electronic equipment, the target fingerprint is identified for marking
Fingerprint template collection can be stored in advance in which finger, electronic equipment by knowing target fingerprint image, which concentrates
Including multiple fingerprint templates, the corresponding fingerprint of each fingerprint template can be chosen corresponding with target fingerprint mark in turn
Preset fingerprint template, it is possible to further match target fingerprint image with preset fingerprint template, in target fingerprint figure
When as with the success of preset fingerprint template matching, then it can execute object run corresponding with target fingerprint mark and otherwise then prompt
User fingerprints recognition failures.
In a possible example, above-mentioned steps D3, by the target fingerprint image and the preset fingerprint template into
Row matching, may include steps of:
D31, image segmentation is carried out to the target fingerprint image, obtains target fingerprint area image；
The characteristic point distribution of D32, the analysis target fingerprint area image；
D33, circular image interception is carried out to the target fingerprint area image according to a not concentric of M, obtains M circle
Finger-print region image, the M are the integer greater than 3；
D34, target circle finger-print region image is selected from described M round finger-print region image, the target is round
The quantity for the characteristic point that finger-print region image is included is greater than other round fingerprint regions in described M round finger-print region image
Area image；
D35, the target circle finger-print region image is divided to obtain N number of annulus, the ring width of N number of annulus is identical；
D36, since N number of annulus the smallest annulus of radius, by N number of annulus successively with the preset fingerprint
Template carries out Feature Points Matching, and the accumulative matching value for having matched annulus；
D37, stop carrying out Feature Points Matching immediately when accumulative matching value is greater than target fingerprint recognition threshold, and export
The successful prompting message of fingerprint recognition.
Wherein, electronic equipment can carry out image segmentation to target fingerprint image, obtain target fingerprint area image, into
And the characteristic point distribution of the target fingerprint area image is analyzed, the target fingerprint area image is carried out according to a not concentric of M
Circular image interception obtains M round finger-print region image, and M is the integer greater than 3, selects from M round finger-print region image
Target circle finger-print region image out, the quantity for the characteristic point that target circle finger-print region image is included are greater than M circle and refer to
Other round finger-print region images in line area image, divide target circle finger-print region image to obtain N number of annulus, N number of
The ring width of annulus is identical, and since N number of annulus the smallest annulus of radius, N number of annulus is successively carried out with preset fingerprint template
Feature Points Matching, and the accumulative matching value for having matched annulus, in this way, in fingerprint identification process, can by different location or
The characteristic point of different fingerprints is equivalent to and samples to entire fingerprint image, and the sampling can cover entire finger for matching
Line region, thus, corresponding characteristic features can be found from each region to be used to match, when accumulative matching value is big
Stop carrying out Feature Points Matching immediately when target fingerprint recognition threshold, and exports the successful prompting message of fingerprint recognition, in this way,
It can quickly and precisely identify fingerprint recognition.
As can be seen that fingerprint identification method described in the embodiment of the present application, is applied to electronic equipment, the electronic equipment
Including ultrasonic wave mould group, the first working frequency of echo signal is obtained, which is acoustic signals or electromagnetic wave signal,
The second working frequency for obtaining ultrasonic wave mould group will surpass when there is interference between the first working frequency and the second working frequency
The working frequency of sound wave mould group is switched to third working frequency, third working frequency and the first working frequency by the second working frequency
Between annoyance level less than the annoyance level between the first working frequency and the second working frequency, by ultrasonic wave mould group with
Three working frequencies carry out fingerprint collecting, obtain target fingerprint image, in this way, can switch when ultrasonic wave mould group is interfered
The working frequency of ultrasonic wave mould group is conducive to the fingerprint collecting efficiency for promoting ultrasonic wave mould group.
Consistently with embodiment shown in above-mentioned Fig. 1 C, 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 super
Sound wave mould group；This fingerprint identification method includes:
201, the first working frequency of echo signal is obtained, the echo signal is acoustic signals or electromagnetic wave signal.
202, the second working frequency of the ultrasonic wave mould group is obtained.
203, when there is interference between first working frequency and second working frequency, by the ultrasonic wave mould
The working frequency of group is switched to third working frequency, the third working frequency and first work by second working frequency
Annoyance level between working frequency is less than the annoyance level between first working frequency and second working frequency.
204, fingerprint collecting is carried out with the third working frequency by the ultrasonic wave mould group, obtains target fingerprint figure
Picture.
205, the corresponding target fingerprint mark of the target fingerprint image is obtained, the target fingerprint mark is for identifying
Target fingerprint image is stated specifically from which finger.
206, preset fingerprint template corresponding with target fingerprint mark is obtained.
207, the target fingerprint image is matched with the preset fingerprint template.
208, it in the target fingerprint image and preset fingerprint template matching success, executes and the target fingerprint
Identify corresponding object run.
Wherein, the specific descriptions of above-mentioned steps 201- step 208 are referred to fingerprint recognition side described in above-mentioned Fig. 1 C
The corresponding steps of method, details are not described herein.
As can be seen that the embodiment of the present application described in fingerprint identification method, not only can ultrasonic wave mould group by
When interference, switches the working frequency of ultrasonic wave mould group, and carry out fingerprint collecting according to the working frequency after switching, obtain target and refer to
Print image is conducive to the fingerprint collecting efficiency for promoting ultrasonic wave mould group, can also obtain the corresponding target of target fingerprint image and refer to
Line mark, chooses preset fingerprint template corresponding with target fingerprint mark, in turn, by target fingerprint image and preset fingerprint mould
Plate is matched, and in the two successful match, executes object run corresponding with target fingerprint mark, on the one hand, facilitate reality
On the other hand existing quick release helps to realize the individual operation of user, that is, different fingers is arranged and realizes different function
Can, the user experience is improved.
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, it is described
Electronic equipment includes ultrasonic wave mould group, and said one or multiple programs are stored in above-mentioned memory, and are configured by upper
It states processor to execute, in the embodiment of the present application, above procedure includes the instruction for executing following steps:
The first working frequency of echo signal is obtained, the echo signal is acoustic signals or electromagnetic wave signal；
Obtain the second working frequency of the ultrasonic wave mould group；
When there is interference between first working frequency and second working frequency, by the ultrasonic wave mould group
Working frequency is switched to third working frequency, the third working frequency and the first work frequency by second working frequency
Annoyance level between rate is less than the annoyance level between first working frequency and second working frequency；
Fingerprint collecting is carried out with the third working frequency by the ultrasonic wave mould group, obtains target fingerprint image.
As can be seen that electronic equipment described in the embodiment of the present application, which includes ultrasonic wave mould group, is obtained
First working frequency of echo signal, the echo signal are acoustic signals or electromagnetic wave signal, obtain the of ultrasonic wave mould group
Two working frequencies, when there is interference between the first working frequency and the second working frequency, by the working frequency of ultrasonic wave mould group
Third working frequency is switched to by the second working frequency, the annoyance level between third working frequency and the first working frequency is less than
Annoyance level between first working frequency and the second working frequency carries out fingerprint by ultrasonic wave mould group with third working frequency
Acquisition, obtains target fingerprint image, in this way, when ultrasonic wave mould group is interfered, can switch the work frequency of ultrasonic wave mould group
Rate is conducive to the fingerprint collecting efficiency for promoting ultrasonic wave mould group.
In a possible example, in terms of second working frequency for obtaining the ultrasonic wave mould group, above-mentioned journey
Sequence includes the instruction for executing following steps:
Obtain target environment temperature；
According to the mapping relations between preset temperature and the working frequency of the ultrasonic wave mould group, the target ring is determined
Corresponding second working frequency of border temperature.
In a possible example, above procedure further includes the instruction for executing following steps:
Determine the target energy value of the echo signal；
When the target energy value is greater than the first preset threshold, execute described in first working frequency and described the
When there is interference between two working frequencies, the working frequency of the ultrasonic wave mould group is switched to the by second working frequency
The step of three working frequencies.
In a possible example, above procedure further includes the instruction for executing following steps:
Obtain the signal strength indication of the echo signal；
When the signal strength indication is lower than the second preset threshold, the third working frequency is switched to second work
Working frequency, and fingerprint collecting is carried out with second working frequency by the ultrasonic wave mould group.
In a possible example, above procedure further includes the instruction for executing following steps:
The corresponding target fingerprint mark of the target fingerprint image is obtained, the target fingerprint mark is for identifying the mesh
Fingerprint image is marked specifically from which finger；
Obtain preset fingerprint template corresponding with target fingerprint mark；
The target fingerprint image is matched with the preset fingerprint template；
In the target fingerprint image and preset fingerprint template matching success, executes and identified with the target fingerprint
Corresponding object run.
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 identification device 400 involved in the embodiment of the present application.The fingerprint
Identification device 400 is applied to electronic equipment, and the electronic equipment includes ultrasonic wave mould group；Described device 400 includes: first to obtain
Take unit 401, second acquisition unit 402, switch unit 403 and acquisition unit 404, wherein
The first acquisition unit 401, for obtaining the first working frequency of echo signal, the echo signal is sound wave
Signal or electromagnetic wave signal；
The second acquisition unit 402, for obtaining the second working frequency of the ultrasonic wave mould group；
The switch unit 403, for there is interference between first working frequency and second working frequency
When, the working frequency of the ultrasonic wave mould group is switched to third working frequency, the third work by second working frequency
Annoyance level between working frequency and first working frequency is less than first working frequency and second working frequency
Between annoyance level；
The acquisition unit 404, for carrying out fingerprint collecting by the ultrasonic wave mould group with the third working frequency,
Obtain target fingerprint image.
As can be seen that fingerprint identification device described in the embodiment of the present application, is applied to electronic equipment, the electronic equipment
Including ultrasonic wave mould group, the first working frequency of echo signal is obtained, which is acoustic signals or electromagnetic wave signal,
The second working frequency for obtaining ultrasonic wave mould group will surpass when there is interference between the first working frequency and the second working frequency
The working frequency of sound wave mould group is switched to third working frequency, third working frequency and the first working frequency by the second working frequency
Between annoyance level less than the annoyance level between the first working frequency and the second working frequency, by ultrasonic wave mould group with
Three working frequencies carry out fingerprint collecting, obtain target fingerprint image, in this way, can switch when ultrasonic wave mould group is interfered
The working frequency of ultrasonic wave mould group is conducive to the fingerprint collecting efficiency for promoting ultrasonic wave mould group.
In a possible example, in terms of second working frequency for obtaining the ultrasonic wave mould group, described the
Two acquiring units 402 are specifically used for:
Obtain target environment temperature；
According to the mapping relations between preset temperature and the working frequency of the ultrasonic wave mould group, the target ring is determined
Corresponding second working frequency of border temperature.
In a possible example, as shown in Figure 4 B, Fig. 4 B is the another modification of fingerprint identification device shown in Fig. 4 A
Structure can also comprise determining that unit 405 compared with Fig. 4 A, specific as follows:
The determination unit 405, for determining the target energy value of the echo signal；
By the switch unit 403 when the target energy value is greater than the first preset threshold, execute described described the
When there is interference between one working frequency and second working frequency, by the working frequency of the ultrasonic wave mould group by described the
Two working frequencies are switched to the step of third working frequency.
In a possible example, as shown in Figure 4 C, Fig. 4 C is the another modification of fingerprint identification device shown in Fig. 4 A
Structure can also include: third acquiring unit 406 compared with Fig. 4 A, specific as follows:
The third acquiring unit 406, for obtaining the signal strength indication of the echo signal；
The switch unit 403, also particularly useful for when the signal strength indication is lower than the second preset threshold, by described the
Three working frequencies are switched to second working frequency, and are referred to by the ultrasonic wave mould group with second working frequency
Line acquisition.
In a possible example, as shown in Figure 4 D, Fig. 4 D is the another modification of fingerprint identification device shown in Fig. 4 A
Structure can also include: the 4th acquiring unit 407, matching unit 408 and execution unit 409 compared with Fig. 4 A, specifically
It is as follows:
4th acquiring unit 407, for obtaining the corresponding target fingerprint mark of the target fingerprint image, the mesh
Mark fingerprint is for identifying the target fingerprint image specifically from which finger；And it obtains and the target fingerprint mark
Know corresponding preset fingerprint template；
The matching unit 408, for matching the target fingerprint image with the preset fingerprint template；
The execution unit 409, for holding in the target fingerprint image and preset fingerprint template matching success
Row object run corresponding with target fingerprint mark.
It is understood that the function of each program module of the fingerprint identification device of the present embodiment can be according to above method reality
The method specific implementation in example is applied, specific implementation process is referred to the associated description of above method embodiment, herein no longer
It repeats.
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
Ultrasonic wave mould group and antenna, wherein
The antenna, for obtaining the first working frequency of echo signal, the echo signal is acoustic signals or electromagnetic wave
Signal；
The processing circuit, for obtaining the second working frequency of the ultrasonic wave mould group；And in first working frequency
When there is interference between second working frequency, by the working frequency of the ultrasonic wave mould group by second working frequency
It is switched to third working frequency, the annoyance level between the third working frequency and first working frequency is less than described the
Annoyance level between one working frequency and second working frequency；
The ultrasonic wave mould group obtains target fingerprint image for carrying out fingerprint collecting with the third working frequency.
2. electronic equipment according to claim 1, which is characterized in that in second work for obtaining the ultrasonic wave mould group
In terms of working frequency, the processing circuit is specifically used for:
Obtain target environment temperature；
According to the mapping relations between preset temperature and the working frequency of the ultrasonic wave mould group, the target environment temperature is determined
Spend corresponding second working frequency.
3. electronic equipment according to claim 1 or 2, which is characterized in that the processing circuit also particularly useful for:
Determine the target energy value of the echo signal；
When the target energy value is greater than the first preset threshold, execute described in first working frequency and second work
When there is interference between working frequency, the working frequency of the ultrasonic wave mould group is switched to third work by second working frequency
The step of working frequency.
4. electronic equipment according to claim 1-3, which is characterized in that the antenna also particularly useful for:
Obtain the signal strength indication of the echo signal；
The processing circuit works the third frequently also particularly useful for when the signal strength indication is lower than the second preset threshold
Rate is switched to second working frequency, and carries out fingerprint collecting by the ultrasonic wave mould group with second working frequency.
5. electronic equipment according to claim 1-4, which is characterized in that the processing circuit also particularly useful for:
The corresponding target fingerprint mark of the target fingerprint image is obtained, the target fingerprint mark refers to for identifying the target
Print image is specifically from which finger；
Obtain preset fingerprint template corresponding with target fingerprint mark；
The target fingerprint image is matched with the preset fingerprint template；
In the target fingerprint image and preset fingerprint template matching success, execute corresponding with target fingerprint mark
Object run.
6. a kind of fingerprint identification method, which is characterized in that be applied to electronic equipment, the electronic equipment includes ultrasonic wave mould group；
The described method includes:
The first working frequency of echo signal is obtained, the echo signal is acoustic signals or electromagnetic wave signal；
Obtain the second working frequency of the ultrasonic wave mould group；
When there is interference between first working frequency and second working frequency, by the work of the ultrasonic wave mould group
Frequency is switched to third working frequency by second working frequency, the third working frequency and first working frequency it
Between annoyance level be less than annoyance level between first working frequency and second working frequency；
Fingerprint collecting is carried out with the third working frequency by the ultrasonic wave mould group, obtains target fingerprint image.
7. according to the method described in claim 6, it is characterized in that, the second work frequency for obtaining the ultrasonic wave mould group
Rate, comprising:
Obtain target environment temperature；
According to the mapping relations between preset temperature and the working frequency of the ultrasonic wave mould group, the target environment temperature is determined
Spend corresponding second working frequency.
8. method according to claim 6 or 7, which is characterized in that the method also includes:
Determine the target energy value of the echo signal；
When the target energy value is greater than the first preset threshold, execute described in first working frequency and second work
When there is interference between working frequency, the working frequency of the ultrasonic wave mould group is switched to third work by second working frequency
The step of working frequency.
9. according to the described in any item methods of claim 6-8, which is characterized in that the method also includes:
Obtain the signal strength indication of the echo signal；
When the signal strength indication is lower than the second preset threshold, the third working frequency is switched to the second work frequency
Rate, and fingerprint collecting is carried out with second working frequency by the ultrasonic wave mould group.
10. the method according to claim 6, which is characterized in that the method also includes:
The corresponding target fingerprint mark of the target fingerprint image is obtained, the target fingerprint mark refers to for identifying the target
Print image is specifically from which finger；
Obtain preset fingerprint template corresponding with target fingerprint mark；
The target fingerprint image is matched with the preset fingerprint template；
In the target fingerprint image and preset fingerprint template matching success, execute corresponding with target fingerprint mark
Object run.
11. a kind of fingerprint identification device, which is characterized in that be applied to electronic equipment, the electronic equipment includes ultrasonic wave mould group；
Described device includes: first acquisition unit, second acquisition unit, switch unit and acquisition unit, wherein
The first acquisition unit, for obtaining the first working frequency of echo signal, the echo signal be acoustic signals or
Person's electromagnetic wave signal；
The second acquisition unit, for obtaining the second working frequency of the ultrasonic wave mould group；
The switch unit, when for there is interference between first working frequency and second working frequency, by institute
State the working frequency of ultrasonic wave mould group and third working frequency be switched to by second working frequency, the third working frequency with
Annoyance level between first working frequency is less than dry between first working frequency and second working frequency
Disturb degree；
The acquisition unit obtains mesh for carrying out fingerprint collecting by the ultrasonic wave mould group with the third working frequency
Mark fingerprint image.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910696649.4A CN110390319B (en) | 2019-07-30 | 2019-07-30 | Fingerprint identification method and related product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910696649.4A CN110390319B (en) | 2019-07-30 | 2019-07-30 | Fingerprint identification method and related product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110390319A true CN110390319A (en) | 2019-10-29 |
| CN110390319B CN110390319B (en) | 2021-06-25 |
Family
ID=68288061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910696649.4A Active CN110390319B (en) | 2019-07-30 | 2019-07-30 | Fingerprint identification method and related product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110390319B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115483984A (en) * | 2022-09-13 | 2022-12-16 | 维沃移动通信有限公司 | Fingerprint module, control method and device, readable storage medium and electronic equipment |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9424456B1 (en) * | 2015-06-24 | 2016-08-23 | Amazon Technologies, Inc. | Ultrasonic fingerprint authentication based on beam forming |
| CN107209610A (en) * | 2015-02-20 | 2017-09-26 | 高通股份有限公司 | Interactive touch-screen and sensor array |
| CN107613878A (en) * | 2015-03-30 | 2018-01-19 | 毛伊图像公司 | Ultrasonic image-forming system and method for detection object motion |
| CN108226880A (en) * | 2017-12-29 | 2018-06-29 | 努比亚技术有限公司 | Ultrasonic distance detects anti-tampering method, apparatus and storage medium |
| CN108594952A (en) * | 2018-04-25 | 2018-09-28 | 维沃移动通信有限公司 | A kind of method and terminal device of anti-charging interference |
| CN108698125A (en) * | 2017-04-10 | 2018-10-23 | 深圳大学 | The system and method for manufacturing bulk nanocrystalline alloy |
| CN109348055A (en) * | 2018-10-11 | 2019-02-15 | Oppo广东移动通信有限公司 | Display control method and Related product |
| CN109460082A (en) * | 2019-01-15 | 2019-03-12 | 努比亚技术有限公司 | Evade method, mobile terminal and the computer readable storage medium of external interference |
| CN109474743A (en) * | 2018-11-19 | 2019-03-15 | Oppo广东移动通信有限公司 | Electromagnetic interference control method and Related product |
| CN109495642A (en) * | 2018-10-26 | 2019-03-19 | Oppo广东移动通信有限公司 | Display control method and Related product |
| CN109646178A (en) * | 2019-01-30 | 2019-04-19 | 深圳市启明医药科技有限公司 | Control device, control method and storage medium based on fine liquid drop spray device |
| CN109696664A (en) * | 2019-01-07 | 2019-04-30 | 广州小鹏汽车科技有限公司 | A kind of detection method and detection device of ultrasonic wave co-channel interference |
-
2019
- 2019-07-30 CN CN201910696649.4A patent/CN110390319B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107209610A (en) * | 2015-02-20 | 2017-09-26 | 高通股份有限公司 | Interactive touch-screen and sensor array |
| CN107613878A (en) * | 2015-03-30 | 2018-01-19 | 毛伊图像公司 | Ultrasonic image-forming system and method for detection object motion |
| US9424456B1 (en) * | 2015-06-24 | 2016-08-23 | Amazon Technologies, Inc. | Ultrasonic fingerprint authentication based on beam forming |
| CN108698125A (en) * | 2017-04-10 | 2018-10-23 | 深圳大学 | The system and method for manufacturing bulk nanocrystalline alloy |
| CN108226880A (en) * | 2017-12-29 | 2018-06-29 | 努比亚技术有限公司 | Ultrasonic distance detects anti-tampering method, apparatus and storage medium |
| CN108594952A (en) * | 2018-04-25 | 2018-09-28 | 维沃移动通信有限公司 | A kind of method and terminal device of anti-charging interference |
| CN109348055A (en) * | 2018-10-11 | 2019-02-15 | Oppo广东移动通信有限公司 | Display control method and Related product |
| CN109495642A (en) * | 2018-10-26 | 2019-03-19 | Oppo广东移动通信有限公司 | Display control method and Related product |
| CN109474743A (en) * | 2018-11-19 | 2019-03-15 | Oppo广东移动通信有限公司 | Electromagnetic interference control method and Related product |
| CN109696664A (en) * | 2019-01-07 | 2019-04-30 | 广州小鹏汽车科技有限公司 | A kind of detection method and detection device of ultrasonic wave co-channel interference |
| CN109460082A (en) * | 2019-01-15 | 2019-03-12 | 努比亚技术有限公司 | Evade method, mobile terminal and the computer readable storage medium of external interference |
| CN109646178A (en) * | 2019-01-30 | 2019-04-19 | 深圳市启明医药科技有限公司 | Control device, control method and storage medium based on fine liquid drop spray device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115483984A (en) * | 2022-09-13 | 2022-12-16 | 维沃移动通信有限公司 | Fingerprint module, control method and device, readable storage medium and electronic equipment |
| CN115483984B (en) * | 2022-09-13 | 2024-01-12 | 维沃移动通信有限公司 | Fingerprint module, control method and device, readable storage medium and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110390319B (en) | 2021-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110286738A (en) | Fingerprint collecting method and Related product | |
| CN110287680A (en) | Unlocked by fingerprint method and Related product | |
| CN110427741A (en) | Fingerprint identification method and Related product | |
| CN110298316A (en) | Fingerprint identification method and Related product | |
| CN109614865A (en) | Fingerprint identification method and Related product | |
| CN109583356A (en) | Fingerprint identification method and Related product | |
| CN109657561A (en) | Fingerprint collecting method and Related product | |
| CN109376700A (en) | Fingerprint identification method and Related product | |
| CN109145800A (en) | Fingerprint template update method and Related product | |
| CN108769377A (en) | Method of controlling antenna and Related product | |
| CN110414410A (en) | Fingerprint collecting method and Related product | |
| CN109543570A (en) | Fingerprint identification method and Related product | |
| CN109283996A (en) | Display control method and Related product | |
| CN109241953A (en) | Electronic equipment, fingerprint image processing method and Related product | |
| CN108777741A (en) | antenna switching control method and related product | |
| CN110210395A (en) | Vein image acquisition method and Related product | |
| CN110309776A (en) | Fingerprint template input method and Related product | |
| CN110162953A (en) | Biometric discrimination method and Related product | |
| CN110188666A (en) | Vein collection method and Related product | |
| CN109376702A (en) | Fingerprint identification method and Related product | |
| CN110475020A (en) | Apparatus control method and Related product | |
| CN110378266A (en) | Fingerprint identification method and relevant device | |
| CN110276328A (en) | Fingerprint identification method and Related product | |
| CN110263757A (en) | Fingerprint identification method and Related product | |
| CN110210394A (en) | Vein image acquisition 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 |