CN108734118A - Fingerprint identification method, mobile terminal and computer readable storage medium - Google Patents
Fingerprint identification method, mobile terminal and computer readable storage medium Download PDFInfo
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- CN108734118A CN108734118A CN201810453931.5A CN201810453931A CN108734118A CN 108734118 A CN108734118 A CN 108734118A CN 201810453931 A CN201810453931 A CN 201810453931A CN 108734118 A CN108734118 A CN 108734118A
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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
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/04817—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance using icons
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Image Input (AREA)
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Abstract
The invention discloses a kind of fingerprint identification methods, including：When detecting that the fingerprint recognition of triggering instructs, determine whether the bending degree in the triggering region of the fingerprint recognition instruction is more than default bending degree；If the bending degree in the triggering region of the fingerprint recognition instruction is more than default bending degree, main fingerprint identification region is determined according to the bending position of the flexible screen；When detecting main fingerprint identification region described in user's finger touch-control, user's finger is determined in the touch area of the main fingerprint identification region, and formed and be adapted with the size of the touch area, and the fingerprint recognition protrusion that upper surface is plane；User's finger in the fingerprint recognition protrusion is incuded, and obtains the finger print information of user's finger according to induction result.The invention also discloses a kind of mobile terminal and computer readable storage mediums.Effective solution of the present invention improves the accuracy of fingerprint recognition in the case where flexible screen is in flexuosity, and user is facilitated to unlock or the problem of payment.
Description
Technical field
The present invention relates to a kind of technical field of mobile terminal more particularly to fingerprint identification method, mobile terminal and calculating
Machine readable storage medium storing program for executing.
Background technology
With the fast development of mobile terminal, the function of mobile terminal is more and more, and the requirement to component is also increasingly
It is high, wherein display screen is one of indispensable component of existing mobile terminal.Flexible screen is one kind of display screen, is compared
In traditional display screen, flexible screen is with the obvious advantage, not only more frivolous in volume, also below original device in power consumption, helps
In the cruising ability of lifting means, while characteristic flexible based on its, foldable and good flexibility, robustness is also significantly
Higher than traditional display screen, the probability of equipment accidental injury is reduced.Flexible screen current end has been had changed into thus applied to terminal
Hold the main trend of development.
Currently, for the mobile terminal comprising flexible screen and full screen fingerprint recognition, user can be in the entire of flexible screen
Fingerprint recognition is carried out in screen, executes the operations such as unlock and payment, when user carries out bending operation to the flexible screen of mobile terminal
When, flexible screen is in flexuosity, at this point, when executing fingerprint recognition operation, current screen is curved surface, and screen can not be complete with finger
Full connected causes collected fingerprint inaccurate, situations such as fingerprint recognition mistake occurs, it has not been convenient to which user unlocks or payment.
Therefore, if in the case where flexible screen is in flexuosity, the accuracy of fingerprint recognition is improved, user is facilitated to unlock or prop up
It is current urgent problem to be solved to pay.
Invention content
The main purpose of the present invention is to provide a kind of fingerprint identification method, mobile terminal and computer-readable storage mediums
Matter, it is intended to how to improve the convenience of user's touch-control desktop icons.
To achieve the above object, the present invention provides a kind of fingerprint identification method, is applied to mobile terminal, the mobile terminal
Including a flexible screen, the fingerprint identification method includes the following steps：
When detecting that the fingerprint recognition of triggering instructs, the bending degree in the triggering region of the fingerprint recognition instruction is determined
Whether it is more than default bending degree；
If the bending degree in the triggering region of the fingerprint recognition instruction is more than default bending degree, according to the flexibility
The bending position of screen determines main fingerprint identification region；
When detecting main fingerprint identification region described in user's finger touch-control, determine user's finger in the main fingerprint recognition
The touch area in region, and formed and be adapted with the size of the touch area, and the fingerprint recognition protrusion that upper surface is plane；
User's finger in the fingerprint recognition protrusion is incuded, and obtains the finger of user's finger according to induction result
Line information.
Optionally it is determined that whether the bending degree in the triggering region of the fingerprint recognition instruction is more than default bending degree
Step includes：
Two principal curvatures of each pixel in the triggering region of the fingerprint recognition instruction are calculated, and according to described two
Principal curvatures calculates the current curvature of each pixel；
The current curvature of each pixel is compared with preset curvature, it is determined whether there is at least preset quantity
Pixel current curvature be more than preset curvature；
If the current curvature in the presence of the pixel of at least preset quantity is more than preset curvature, it is determined that the fingerprint recognition refers to
The bending degree in the triggering region of order is more than default bending degree.
Optionally, the step of determining main fingerprint identification region according to the bending position of the flexible screen include：
The flexible screen is divided into several display areas according to the bending position of the flexible screen, and from described several aobvious
Show the display area for selecting bending degree to be less than predetermined threshold value in region；
The area of the display area of selection is calculated, and the maximum display area of the area is determined to be main fingerprint identification area
Domain.
Optionally, the user's finger in the fingerprint recognition protrusion is incuded, and user is obtained according to induction result
The step of finger print information of finger includes：
Each built-in infrared light emitting diode positioned at fingerprint recognition protrusion region emits infrared ray；
It is anti-by each built-in infrared sense diode induction user's finger positioned at fingerprint recognition protrusion region
It penetrates, infrared ray is launched by the infrared light-emitting diode；
According to the induction of each built-in infrared sense diode as a result, obtaining the finger print information of user's finger.
Optionally, it is formed and is adapted with the size of the touch area, and the fingerprint recognition protrusion that upper surface is plane
Step includes：
The touch area is divided into the fingerprint recognition subregion of preset quantity, and determines that user's finger is known with each fingerprint
The contact area in small pin for the case region；
According to the contact area of user's finger and each fingerprint recognition subregion, determines and be located under each fingerprint recognition subregion
The application voltage value of brake；
According to the application voltage value of the brake under each fingerprint recognition subregion, under each fingerprint recognition subregion
Brake applies corresponding voltage, is adapted with the size of the touch area with being formed, and the fingerprint that upper surface is plane is known
Not protrusion.
Optionally it is determined that whether the bending degree in the triggering region of the fingerprint recognition instruction is more than default bending degree
Before step, further include：
When detecting that the fingerprint recognition of triggering instructs, determines whether the mobile terminal is in and put out screen state；
If the mobile terminal, which is in, puts out screen state, user's face image is acquired, and pass through preset several infrared biographies
Sensor receives infrared external reflection light；
The infrared external reflection light received according to the user's face image of acquisition and preset several infrared sensors determines user
Whether sight is located at the flexible screen of the mobile terminal；
If user's sight is located at the flexible screen of the mobile terminal, the mobile terminal is lighted.
Optionally, the infrared external reflection that the user's face image and preset several infrared sensors according to acquisition receives
Light determines that the step of whether user's sight is located at the flexible screen of the mobile terminal includes：
According to the infrared external reflection light that preset several infrared sensors receive, cut out from the user's face image of acquisition
User's eyes image, and user's direction of visual lines is determined according to user's eyes image；
It is located at user's direction of visual lines according to the location determination of each infrared sensor in several infrared sensors
On infrared sensor；
Determine whether the infrared external reflection luminous intensity for each infrared sensor being located on user's direction of visual lines is all higher than
Predetermined threshold value；
If the infrared external reflection luminous intensity of each infrared sensor on user's direction of visual lines is all higher than default threshold
Value, it is determined that user's sight is located at the flexible screen of the mobile terminal.
Optionally, the step of determining user's direction of visual lines according to user's eyes image include：
Partial enlargement is carried out to user's eyes image, to obtain partial enlargement image, and according to the partial enlargement
Image determines user's direction of visual lines.
In addition, to achieve the above object, the present invention also provides a kind of mobile terminal, the mobile terminal includes：Flexible screen,
Memory, processor and it is stored in the fingerprint recognition program that can be run on the memory and on the processor, the finger
The step of line recognizer realizes fingerprint identification method as described above when being executed by the processor.
The present invention also provides a kind of computer readable storage medium, fingerprint is stored on the computer readable storage medium
The step of recognizer, the fingerprint recognition program realizes fingerprint identification method as described above when being executed by processor.
A kind of fingerprint identification method of present invention offer, mobile terminal and readable storage medium storing program for executing, for including flexible folding
The mobile terminal of flexible screen determines the triggering region of fingerprint recognition instruction when detecting that the fingerprint recognition of triggering instructs
Whether bending degree is more than default bending degree, if the bending degree in the triggering region of fingerprint recognition instruction is more than default bending
Degree then determines main fingerprint identification region according to the bending position of flexible screen, then main described in user's finger touch-control when detecting
When fingerprint identification region, the fingerprint recognition protrusion that corresponding upper surface is plane is formed, and to the user in fingerprint recognition protrusion
Finger is incuded, and the finger print information of user's finger is obtained according to induction result, by selecting bending degree smaller, and area
Larger display area forms the fingerprint that upper surface is plane as main fingerprint identification region in the main fingerprint identification region
Identification protrusion so that the finger of user can more complete contact screen, it is effective to solve convenient for the finger print information of acquisition user
The problem of having determined in the case where flexible screen is in flexuosity, improved the accuracy of fingerprint recognition, user is facilitated to unlock or pay.
Description of the drawings
Fig. 1 is the terminal structure schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of fingerprint identification method first embodiment of the present invention；
Fig. 3 is the refinement flow diagram of step S101 in first embodiment of the invention；
Fig. 4 is the refinement flow diagram of step S103 in first embodiment of the invention；
Fig. 5 is the flow diagram of fingerprint identification method second embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in Figure 1, the terminal structure schematic diagram for the hardware running environment that Fig. 1, which is the embodiment of the present invention, to be related to.
Mobile terminal of the embodiment of the present invention can be smart mobile phone, tablet computer, E-book reader, pocket computer etc.
Packaged type terminal device with display function.
As shown in Figure 1, the mobile terminal may include：Processor 1001, such as CPU, communication bus 1002, user interface
1003, network interface 1004, memory 1005.Wherein, communication bus 1002 is for realizing the connection communication between these components.
User interface 1003 may include display screen (Display), input unit such as keyboard (Keyboard), optional user interface
1003 can also include standard wireline interface and wireless interface.Network interface 1004 may include optionally that the wired of standard connects
Mouth, wireless interface (such as WI-FI interfaces).Memory 1005 can be high-speed RAM memory, can also be stable memory
(non-volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of aforementioned processor
1001 storage device.
Optionally, mobile terminal can also include camera, RF (Radio Frequency, radio frequency) circuit, sensor,
Voicefrequency circuit, WiFi module and material slot etc..Wherein, sensor such as optical sensor, motion sensor and other sensings
Device.Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display screen, proximity sensor can when mobile terminal is moved in one's ear, close display screen and/
Or backlight.As a kind of motion sensor, gravity accelerometer can detect in all directions (generally three axis) and accelerate
The size of degree can detect that size and the direction of gravity when static, the application that can be used to identify mobile terminal posture is (such as vertical and horizontal
Shield switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；Certainly, mobile
Terminal can also configure the other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, no longer superfluous herein
It states.
It will be understood by those skilled in the art that mobile terminal structure shown in Fig. 1 does not constitute the limit to mobile terminal
It is fixed, may include either combining certain components or different components arrangement than illustrating more or fewer components.
As shown in Figure 1, may include operating system, network communication module, user in the memory 1005 of the mobile terminal
Interface module and fingerprint recognition program, processor 110 can be used for calling the fingerprint recognition program stored in memory 109,
And execute following steps：
When detecting that the fingerprint recognition of triggering instructs, the bending degree in the triggering region of the fingerprint recognition instruction is determined
Whether it is more than default bending degree；
If the bending degree in the triggering region of the fingerprint recognition instruction is more than default bending degree, according to the flexibility
The bending position of screen determines main fingerprint identification region；
When detecting main fingerprint identification region described in user's finger touch-control, determine user's finger in the main fingerprint recognition
The touch area in region, and formed and be adapted with the size of the touch area, and the fingerprint recognition protrusion that upper surface is plane；
User's finger in the fingerprint recognition protrusion is incuded, and obtains the finger of user's finger according to induction result
Line information.
Further, processor 110 can be used for calling the fingerprint recognition program that stores in memory 109, also execute with
Lower step：
Two principal curvatures of each pixel in the triggering region of the fingerprint recognition instruction are calculated, and according to described two
Principal curvatures calculates the current curvature of each pixel；
The current curvature of each pixel is compared with preset curvature, it is determined whether there is at least preset quantity
Pixel current curvature be more than preset curvature；
If the current curvature in the presence of the pixel of at least preset quantity is more than preset curvature, it is determined that the fingerprint recognition refers to
The bending degree in the triggering region of order is more than default bending degree.
Further, processor 110 can be used for calling the fingerprint recognition program that stores in memory 109, also execute with
Lower step：
The flexible screen is divided into several display areas according to the bending position of the flexible screen, and from described several aobvious
Show the display area for selecting bending degree to be less than predetermined threshold value in region；
The area of the display area of selection is calculated, and the maximum display area of the area is determined to be main fingerprint identification area
Domain.
Further, processor 110 can be used for calling the fingerprint recognition program that stores in memory 109, also execute with
Lower step：
Each built-in infrared light emitting diode positioned at fingerprint recognition protrusion region emits infrared ray；
It is anti-by each built-in infrared sense diode induction user's finger positioned at fingerprint recognition protrusion region
It penetrates, infrared ray is launched by the infrared light-emitting diode；
According to the induction of each built-in infrared sense diode as a result, obtaining the finger print information of user's finger.
Further, processor 110 can be used for calling the fingerprint recognition program that stores in memory 109, also execute with
Lower step：
The touch area is divided into the fingerprint recognition subregion of preset quantity, and determines that user's finger is known with each fingerprint
The contact area in small pin for the case region；
According to the contact area of user's finger and each fingerprint recognition subregion, determines and be located under each fingerprint recognition subregion
The application voltage value of brake；
According to the application voltage value of the brake under each fingerprint recognition subregion, under each fingerprint recognition subregion
Brake applies corresponding voltage, is adapted with the size of the touch area with being formed, and the fingerprint that upper surface is plane is known
Not protrusion.
Further, processor 110 can be used for calling the fingerprint recognition program that stores in memory 109, also execute with
Lower step：
When detecting that the fingerprint recognition of triggering instructs, determines whether the mobile terminal is in and put out screen state；
If the mobile terminal, which is in, puts out screen state, user's face image is acquired, and pass through preset several infrared biographies
Sensor receives infrared external reflection light；
The infrared external reflection light received according to the user's face image of acquisition and preset several infrared sensors determines user
Whether sight is located at the flexible screen of the mobile terminal；
If user's sight is located at the flexible screen of the mobile terminal, the mobile terminal is lighted.
Further, processor 110 can be used for calling the fingerprint recognition program that stores in memory 109, also execute with
Lower step：
According to the infrared external reflection light that preset several infrared sensors receive, cut out from the user's face image of acquisition
User's eyes image, and user's direction of visual lines is determined according to user's eyes image；
It is located at user's direction of visual lines according to the location determination of each infrared sensor in several infrared sensors
On infrared sensor；
Determine whether the infrared external reflection luminous intensity for each infrared sensor being located on user's direction of visual lines is all higher than
Predetermined threshold value；
If the infrared external reflection luminous intensity of each infrared sensor on user's direction of visual lines is all higher than default threshold
Value, it is determined that user's sight is located at the flexible screen of the mobile terminal.
Further, processor 110 can be used for calling the fingerprint recognition program that stores in memory 109, also execute with
Lower step：
Partial enlargement is carried out to user's eyes image, to obtain partial enlargement image, and according to the partial enlargement
Image determines user's direction of visual lines.
The specific embodiment of mobile terminal of the present invention and each specific embodiment of following fingerprint identification methods are essentially identical,
This is not repeated.
The present invention also provides a kind of fingerprint identification methods.
It is the flow diagram of fingerprint identification method first embodiment of the present invention with reference to Fig. 2, Fig. 2.
In the present embodiment, which includes：
Step S101 determines whether the bending degree of flexible screen is more than pre- when detecting that the fingerprint recognition of triggering instructs
If bending degree；
The fingerprint identification method application mobile terminal, the present invention in mobile terminal include but not limited to smart mobile phone and
PAD (tablet computer) etc., the mobile terminal include a flexible screen, and flexible screen has used phosphorescence organic light-emitting device, have low work(
Consumption, direct visual flexible panel, is made, the flexible display device of changeable type of soft material.The movement is used in user
During terminal, the flexible screen of mobile terminal can be extended into a full screen by user according to the actual demand, wherein complete
Screen can be that plane can also be curved surface；Or by the flexible screen folded bent of mobile terminal at multiple sub-screens.It is mobile whole
Array is provided with infrared light-emitting diode and infrared induction diode (infrared light-emitting diode and infrared in the flexible screen at end
Sense diode is microdiode, and size is only 1 to 20 micron), it is anti-by infrared induction diode induction user's finger
It penetrates, the infrared ray launched by infrared light-emitting diode, thus according to the induction of each infrared induction diode as a result, extracting
The finger print information of user's finger.It should be noted that the present embodiment is to infrared light-emitting diode and infrared induction diode
Set-up mode is not especially limited, and optionally, a row infrared induction diode is arranged between two row infrared light-emitting diodes, i.e.,
Infrared light-emitting diode and the setting of infrared induction diode crossbar, to which the row infrared induction diode can incude external object
It is reflected back, the infrared ray launched by adjacent column infrared light-emitting diode.
In the present embodiment, in unlock or payment, user's finger touch-control flexible screen, to trigger fingerprint recognition instruction, and
Mobile terminal detect triggering fingerprint recognition instruction when, determine fingerprint recognition instruction triggering region bending degree whether
More than default bending degree, wherein the triggering region is the square region occupied by user's finger touch-control flexible screen, fingerprint recognition
The bending degree in the triggering region of instruction can be the sum of the curvature of each pixel in trigger region domain, or triggering region
Each pixel maximum curvature.Wherein, the curvature of each pixel is the corresponding average curvature of each pixel (two masters
The mean value of curvature) or the corresponding Gaussian curvature of each pixel (product of two principal curvatures), crossing on curved surface has on some point
Infinite orthogonal curvature, wherein there are a curves so that the song curvature of a curve is very big, this curvature is maximum, perpendicular to
The curvature of very big curvature surface is minimum, the two curvature are the principal curvatures of the point, the corresponding average curvature of each pixel or
Gaussian curvature is bigger, then the bending degree of each pixel is bigger, conversely, the corresponding average curvature of each pixel or Gauss are bent
Rate is smaller, then the bending degree of each pixel is smaller.
Specifically, include with reference to Fig. 3, step S101：
Step S1011 calculates two principal curvatures of each pixel in the triggering region of fingerprint recognition instruction, and according to two
A principal curvatures calculates the current curvature of each pixel；
The current curvature of each pixel is compared by step S1012 with preset curvature, it is determined whether is existed at least pre-
If the current curvature of the pixel of quantity is more than preset curvature；
Step S1013, if the current curvature in the presence of the pixel of at least preset quantity is more than preset curvature, it is determined that fingerprint
The bending degree in the triggering region of identification instruction is more than default bending degree.
In the present embodiment, mobile terminal calculates fingerprint recognition instruction when detecting that the fingerprint recognition of triggering instructs
Two principal curvatures of each pixel in region are triggered, and calculate the current curvature of each pixel according to two principal curvatures, i.e.,
The orthogonal curvilinear of each pixel in the triggering region of acquisition for mobile terminal fingerprint recognition instruction, and calculate fingerprint recognition instruction
The orthogonal curvature of each orthogonal curvilinear in region is triggered, then most by each pixel in the triggering region of fingerprint recognition instruction
Two principal curvatures of each pixel in the triggering region that big orthogonal curvature and minimal orthogonality curvature are instructed as fingerprint recognition, and
By the mean value of two principal curvatures of each pixel in the triggering region of fingerprint recognition instruction, i.e. average curvature is determined as fingerprint knowledge
What is do not instructed triggers the bending degree of each pixel in region, or each pixel in the triggering region that fingerprint recognition is instructed
The product of two principal curvatures of point, i.e. Gaussian curvature are determined as the bending of each pixel in the triggering region of fingerprint recognition instruction
The current curvature of each pixel in the triggering region of fingerprint recognition instruction is finally compared, really by degree with preset curvature
The fixed current curvature with the presence or absence of at least pixel of preset quantity is more than preset curvature, if there is the picture of at least preset quantity
The current curvature of vegetarian refreshments is more than preset curvature, it is determined that the triggering region bending degree of fingerprint recognition instruction is more than default bending journey
Degree is more than preset curvature if there is the current curvature less than the pixel of preset quantity, it is determined that fingerprint recognition instruction is touched
The bending degree in hair region is less than default bending degree.It should be noted that above-mentioned default bending degree and preset curvature can
It is configured based on actual conditions by those skilled in the art, the present embodiment is not especially limited this.
Step S102, if the bending degree in the triggering region of fingerprint recognition instruction is more than default bending degree, according to soft
The bending position of property screen determines main fingerprint identification region；
The mobile terminal is after the bending degree for determining flexible screen is more than default bending degree, according to the bending of flexible screen
Location determination fingerprint identification region selects bending degree smaller, and the larger display area of area is as fingerprint identification region.
Specifically, in the present embodiment, step S102 includes：
Flexible screen is divided into several display areas by step a1 according to the bending position of flexible screen, and from several viewing areas
Bending degree is selected to be less than the display area of predetermined threshold value in domain；
Step a2 calculates the area of the display area of selection, and the maximum display area of area is determined as fingerprint recognition
Region.
In the present embodiment, which is divided into several display areas according to the bending position of flexible screen by flexible screen,
I.e. using curve where each bending position or straight line as several display areas of boundary demarcation, and determine the bending of each display area
Then degree selects bending degree to be less than the display area of predetermined threshold value, then calculates selection from several display areas
The area of display area, and the maximum display area of area is determined as to the fingerprint identification region of mobile terminal.Pass through above-mentioned side
Formula can select area larger, and the display area of bending degree is as fingerprint identification region.Wherein, the bending of display area
The method of determination of degree can be to determine the average curvature or Gaussian curvature of each pixel in display area, and by each picture
The maximum mean curvature or Gaussian curvature of the sum of average curvature or Gaussian curvature of vegetarian refreshments or each pixel are determined as currently
The bending degree of display area.It should be noted that above-mentioned predetermined threshold value can by those skilled in the art be based on actual conditions into
Row setting, the present embodiment are not especially limited this.
Step S103 determines that user's finger is known in main fingerprint when detecting the main fingerprint identification region of user's finger touch-control
The touch area in other region, and formed and be adapted with the size of touch area, and the fingerprint recognition protrusion that upper surface is plane；
In the present embodiment, which detects after determining the fingerprint identification region in the main fingerprint identification region
With the presence or absence of the touch control operation of user's finger, when detecting in the main fingerprint identification region there are the touch control operation of user's finger,
And when the main fingerprint identification region of user's finger touch-control, touch area of the user's finger in main fingerprint identification region is determined, and
It is formed in touch area and adapts to size, and the fingerprint recognition protrusion that upper surface is plane.
Specifically, include with reference to Fig. 4, step S103：
The touch area is divided into the fingerprint recognition subregion of preset quantity, and determines user's finger by step S1031
With the contact area of each fingerprint recognition subregion；
Step S1032 is determined according to the contact area of user's finger and each fingerprint recognition subregion and is located at each fingerprint recognition
The application voltage value of brake under subregion；
Step S1033, according to the application voltage value of the brake under each fingerprint recognition subregion, to positioned at each fingerprint recognition
Brake under subregion applies corresponding voltage, is adapted with the size of the touch area with being formed, and upper surface is flat
The fingerprint recognition protrusion in face.
The touch area that the fingerprint recognition instructs is divided into the fingerprint recognition subregion of preset quantity by mobile terminal, and
The contact area of user's finger and each fingerprint recognition subregion is determined, then according to user's finger and each fingerprint recognition subregion
Contact area determines the application voltage value for the brake being located under each fingerprint recognition subregion, that is, inquires the contact area to prestore
With the mapping table for applying voltage value, each application voltage corresponding with each contact area of fingerprint recognition subregion is obtained
Value, contact area is bigger, and application voltage value is smaller, and contact area is smaller, and it is bigger to apply voltage value；Finally according to each fingerprint recognition
The application voltage value of brake under subregion applies corresponding voltage to the brake being located under each fingerprint recognition subregion,
Size to form and trigger region is adapted, and the fingerprint recognition protrusion that upper surface is plane.It should be noted that above-mentioned pre-
If quantity and contact area can be configured by those skilled in the art based on actual conditions with the mapping relations for applying voltage value,
The present embodiment is not especially limited this.
Wherein, in order to realize the control to the fingerprint recognition protrusion of formation, after forming fingerprint recognition protrusion in flexible screen,
The pressure being subject to using the pressure sensor detection fingerprint recognition protrusion of fingerprint recognition protrusion lower section, and detected in pressure sensor
To pressure be zero when be reduced or eliminated at stress brake apply voltage, with eliminate fingerprint recognition protrusion.Or
In flexible screen formed fingerprint recognition protrusion after, when the touch sensing layer for detecting flexible screen does not receive touch signal reduce or
It eliminates to the voltage applied by the brake of touch place, to eliminate fingerprint recognition protrusion.
Step S104 incudes the user's finger in the fingerprint recognition protrusion, and is obtained and used according to induction result
The finger print information of family finger.
The mobile terminal is formed after the fingerprint recognition protrusion that upper surface is plane, to the user in institute's fingerprint recognition protrusion
Finger is incuded, and the finger print information of user's finger is obtained according to induction result, i.e., by interior in the fingerprint recognition protrusion
Infrared induction diode induction user's finger is set, and according to the induction of each built-in infrared sense diode as a result, obtaining fingerprint
Information.
Specifically, in the present embodiment, step S104 is specifically included：
Step b1, each built-in infrared light emitting diode for being located at fingerprint recognition protrusion region emit infrared ray；
Step b2 incudes user's finger by each built-in infrared sense diode positioned at fingerprint recognition protrusion region
Reflection, infrared ray is launched by the infrared light-emitting diode；
Step b3, according to the induction of each built-in infrared sense diode as a result, obtaining the finger print information of user's finger.
In the present embodiment, infrared hair which can according to actual needs in real-time control mobile terminal flexible screen
The infrared induction diode that optical diode enters in emission mode, and control mobile terminal flexible screen enters inductive mode；?
Can be after mobile terminal to complete opening initialization, the infrared light-emitting diode being immediately controlled in mobile terminal flexible screen enters hair
Infrared induction diode in emission mode, and control mobile terminal flexible screen enters inductive mode, so that mobile terminal
Infrared light-emitting diode in flexible screen works in emission mode always, emits infrared ray outward so that mobile terminal flexible screen
In infrared induction diode work in inductive mode always, induction ambient (including ambient light and external object it is anti-
It is emitted back towards, the infrared ray reflected by infrared light-emitting diode).
Specifically, user's finger is placed in the fingerprint recognition protrusion, then is located at each of fingerprint recognition protrusion region
A built-in infrared light emitting diode emits infrared ray, and by each built-in infrared induction positioned at fingerprint recognition protrusion region
Diode incudes user's finger reflection, launches infrared ray by infrared light-emitting diode, i.e. part infrared light-emitting diode is sent out
The infrared ray penetrated will be reflected, and finally be incuded by infrared induction diode, then according to each built-in infrared sense diode
Induction is as a result, obtain the finger print information of user's finger.It should be noted that finger print by user's finger surface protrusion and
Groove is constituted, and these protrusions in infrared radiation to finger and when grooves, and the infrared mumber and angle of reflection will not
To the greatest extent it is identical, as a result, infrared induction diode sense incident infrared (and the infrared ray being reflected back by user's finger) quantity with
And angle is different, the induction result of generation also differs, so as to pass through existing pair of the induction fructufy of each infrared induction diode
The mapping of user's finger fingerprint.
In specific implementation, mobile terminal forward bias infrared light-emitting diode, so that infrared light-emitting diode enters
Emission mode, reverse bias or zero offset infrared induction diode, so that infrared induction diode enters inductive mode.Ability
Field technique personnel it is easily understood that although infrared light-emitting diode emits infrared ray outward, since infrared ray is to human eye
Invisible, the realization of the object of the invention will not cause user experience any deleterious effect.
In the present embodiment, the present invention is for including the mobile terminal of flexible folded flexible screen, when the finger for detecting triggering
When line identification instruction, determine whether the bending degree in the triggering region of fingerprint recognition instruction is more than default bending degree, if
The bending degree in the triggering region of fingerprint recognition instruction is more than default bending degree, then is determined and led according to the bending position of flexible screen
Fingerprint identification region, then when detecting main fingerprint identification region described in user's finger touch-control, forming corresponding upper surface is
The fingerprint recognition protrusion of plane, and the user's finger in fingerprint recognition protrusion is incuded, and obtained and used according to induction result
The finger print information of family finger, by selecting bending degree smaller, and the larger display area of area is as main fingerprint identification region,
And the fingerprint recognition protrusion that upper surface is plane is formed in the main fingerprint identification region so that the finger of user can be more complete
Full contact screen, convenient for the finger print information of acquisition user, in the case where flexible screen is in flexuosity, raising refers to effective solution
The accuracy of line identification, the problem of facilitating user's unlock or pay.
Further, with reference to Fig. 5, it is based on above-mentioned first embodiment, it is proposed that the second of fingerprint identification method of the present invention is real
Example is applied, difference lies in before step S101, further include with previous embodiment：
Step S105 determines whether the mobile terminal is in and puts out screen shape when detecting that the fingerprint recognition of triggering instructs
State；
Step S106 acquires user's face image, and if by preset if the mobile terminal, which is in, puts out screen state
Extra dry red wine outer sensor receives infrared external reflection light；
Step S107, the infrared external reflection light received according to the user's face image of acquisition and preset several infrared sensors
Determine whether user's sight is located at the flexible screen of the mobile terminal；
Step S108 lights the mobile terminal if user's sight is located at the flexible screen of the mobile terminal.
It should be noted that the present invention is based on previous embodiments to propose a kind of specific lighting mode of mobile terminal, with
Under be only explained, it is other to can refer to previous embodiment.
In the present embodiment, which determines whether mobile terminal is located in the fingerprint recognition instruction for detecting triggering
In putting out screen state, if mobile terminal is in bright screen state, S101 is thened follow the steps, that is, determines the trigger region of fingerprint recognition instruction
Whether the bending degree in domain is more than that default bending degree acquires user's face image if mobile terminal, which is in, puts out screen state,
And infrared external reflection light are received by preset several infrared sensors, if then according to the user's face image of acquisition and preset
The infrared external reflection light that extra dry red wine outer sensor receives determines whether user's sight is located at the flexible screen of the mobile terminal, if user
Sight is located at the flexible screen of mobile terminal, then lights mobile terminal.Wherein, when eyes of user receive it is red built in infrared sensor
When the infrared light that outer light source is sent out, according to infrared light in the high reflection principle of human body eye, eyes can reflect infrared light, that is, send out
Infrared external reflection light can receive the infrared external reflection light from eyes of user by infrared sensor.
Specifically, in the present embodiment, step S106 includes：
Step c1, according to the infrared external reflection light that preset several infrared sensors receive, from the user's face image of acquisition
In cut out user's eyes image, and user's direction of visual lines is determined according to user's eyes image；
Step c2 is located at according to the location determination of each infrared sensor in several infrared sensors on user's direction of visual lines
Infrared sensor；
Step c3 determines whether the infrared external reflection luminous intensity for each infrared sensor being located on user's direction of visual lines is big
In predetermined threshold value；
Step c4, if the infrared external reflection luminous intensity of each infrared sensor on user's direction of visual lines be all higher than it is default
Threshold value, it is determined that user's sight is located at the flexible screen of mobile terminal.
In the present embodiment, mobile terminal acquires user's face image by camera, and passes through preset several infrared biographies
After sensor receives the infrared external reflection light from eyes of user, according to the infrared external reflection of preset several infrared sensors receptions
Light cuts out user's eyes image from the user's face image of acquisition, and determines user sight side according to user's eyes image
To the infrared biography being then located at according to the location determination of each infrared sensor in several infrared sensors on user's direction of visual lines
Sensor, and determine whether the infrared external reflection luminous intensity for each infrared sensor being located on user's direction of visual lines is all higher than default threshold
Value, if the infrared external reflection luminous intensity of each infrared sensor on user's direction of visual lines is all higher than predetermined threshold value, really
Determine the flexible screen that user's sight is located at mobile terminal.Wherein, user's direction of visual lines includes screen left direction, screen right direction, screen
Direction etc. under direction and screen on curtain, and the specific method of determination of user's sight mode is as follows：It is obtained from user's eyes image
Two eyeballs determine the tendency direction of two eyeballs, if the tendency direction of two eyeballs is to the left, user's direction of visual lines is
Screen left direction, if the tendency direction of two eyeballs is to the right, user's direction of visual lines is screen right direction, if two eyes
The tendency direction of ball is upward, then user's direction of visual lines is direction on screen, if the tendency direction of two eyeballs is downward,
User's direction of visual lines is direction under screen.
Further, the step of determining user's direction of visual lines according to user's eyes image specifically includes：
Partial enlargement is carried out to user's eyes image, to obtain partial enlargement image, and is determined according to partial enlargement image
User's direction of visual lines.
In the present embodiment, which cuts after obtaining user's eyes image, and part is carried out to user's eyes image
Amplification carries out partial enlargement to the eyeball image in user's eyes image, to obtain partial enlargement image, and put according to part
Big image determines user's direction of visual lines, further improves the accuracy of user's direction of visual lines.
In the present embodiment, the present invention lights mobile terminal, is convenient for when user's sight is located at the flexible screen of mobile terminal
User uses.
In addition, the embodiment of the present invention also proposes a kind of computer readable storage medium, the computer readable storage medium
On be stored with fingerprint recognition program, the fingerprint recognition program realizes following steps when being executed by processor：
When detecting that the fingerprint recognition of triggering instructs, the bending degree in the triggering region of the fingerprint recognition instruction is determined
Whether it is more than default bending degree；
If the bending degree in the triggering region of the fingerprint recognition instruction is more than default bending degree, according to the flexibility
The bending position of screen determines main fingerprint identification region；
When detecting main fingerprint identification region described in user's finger touch-control, determine user's finger in the main fingerprint recognition
The touch area in region, and formed and be adapted with the size of the touch area, and the fingerprint recognition protrusion that upper surface is plane；
User's finger in the fingerprint recognition protrusion is incuded, and obtains the finger of user's finger according to induction result
Line information.
Further, following steps are also realized when the fingerprint recognition program is executed by processor：
Two principal curvatures of each pixel in the triggering region of the fingerprint recognition instruction are calculated, and according to described two
Principal curvatures calculates the current curvature of each pixel；
The current curvature of each pixel is compared with preset curvature, it is determined whether there is at least preset quantity
Pixel current curvature be more than preset curvature；
If the current curvature in the presence of the pixel of at least preset quantity is more than preset curvature, it is determined that the fingerprint recognition refers to
The bending degree in the triggering region of order is more than default bending degree.
Further, following steps are also realized when the fingerprint recognition program is executed by processor：
The flexible screen is divided into several display areas according to the bending position of the flexible screen, and from described several aobvious
Show the display area for selecting bending degree to be less than predetermined threshold value in region；
The area of the display area of selection is calculated, and the maximum display area of the area is determined to be main fingerprint identification area
Domain.
Further, following steps are also realized when the fingerprint recognition program is executed by processor：
Each built-in infrared light emitting diode positioned at fingerprint recognition protrusion region emits infrared ray；
It is anti-by each built-in infrared sense diode induction user's finger positioned at fingerprint recognition protrusion region
It penetrates, infrared ray is launched by the infrared light-emitting diode；
According to the induction of each built-in infrared sense diode as a result, obtaining the finger print information of user's finger.
Further, following steps are also realized when the fingerprint recognition program is executed by processor：
The touch area is divided into the fingerprint recognition subregion of preset quantity, and determines that user's finger is known with each fingerprint
The contact area in small pin for the case region；
According to the contact area of user's finger and each fingerprint recognition subregion, determines and be located under each fingerprint recognition subregion
The application voltage value of brake；
According to the application voltage value of the brake under each fingerprint recognition subregion, under each fingerprint recognition subregion
Brake applies corresponding voltage, is adapted with the size of the touch area with being formed, and the fingerprint that upper surface is plane is known
Not protrusion.
Further, following steps are also realized when the fingerprint recognition program is executed by processor：
When detecting that the fingerprint recognition of triggering instructs, determines whether the mobile terminal is in and put out screen state；
If the mobile terminal, which is in, puts out screen state, user's face image is acquired, and pass through preset several infrared biographies
Sensor receives infrared external reflection light；
The infrared external reflection light received according to the user's face image of acquisition and preset several infrared sensors determines user
Whether sight is located at the flexible screen of the mobile terminal；
If user's sight is located at the flexible screen of the mobile terminal, the mobile terminal is lighted.
Further, following steps are also realized when the fingerprint recognition program is executed by processor：
According to the infrared external reflection light that preset several infrared sensors receive, cut out from the user's face image of acquisition
User's eyes image, and user's direction of visual lines is determined according to user's eyes image；
It is located at user's direction of visual lines according to the location determination of each infrared sensor in several infrared sensors
On infrared sensor；
Determine whether the infrared external reflection luminous intensity for each infrared sensor being located on user's direction of visual lines is all higher than
Predetermined threshold value；
If the infrared external reflection luminous intensity of each infrared sensor on user's direction of visual lines is all higher than default threshold
Value, it is determined that user's sight is located at the flexible screen of the mobile terminal.
Further, following steps are also realized when the fingerprint recognition program is executed by processor：
Partial enlargement is carried out to user's eyes image, to obtain partial enlargement image, and according to the partial enlargement
Image determines user's direction of visual lines.
Each specific embodiment of the specific embodiment of computer readable storage medium of the present invention and above-mentioned fingerprint identification method
Essentially identical, therefore not to repeat here.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or system including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or system.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions use so that a station terminal equipment (can be mobile phone,
Computer, server, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of fingerprint identification method is applied to mobile terminal, which is characterized in that the mobile terminal includes a flexible screen, institute
Fingerprint identification method is stated to include the following steps：
When detecting that the fingerprint recognition of triggering instructs, determine the triggering region of fingerprint recognition instruction bending degree whether
More than default bending degree；
If the bending degree in the triggering region of the fingerprint recognition instruction is more than default bending degree, according to the flexible screen
Bending position determines main fingerprint identification region；
When detecting main fingerprint identification region described in user's finger touch-control, determine user's finger in the main fingerprint identification region
Touch area, and formed and be adapted with the size of the touch area, and the fingerprint recognition protrusion that upper surface is plane；
User's finger in the fingerprint recognition protrusion is incuded, and obtains the fingerprint letter of user's finger according to induction result
Breath.
2. fingerprint identification method as described in claim 1, which is characterized in that determine the triggering region of the fingerprint recognition instruction
Bending degree the step of whether being more than default bending degree include：
Two principal curvatures of each pixel in the triggering region of the fingerprint recognition instruction are calculated, and according to described two main songs
Rate calculates the current curvature of each pixel；
The current curvature of each pixel is compared with preset curvature, it is determined whether there is the picture of at least preset quantity
The current curvature of vegetarian refreshments is more than preset curvature；
If the current curvature in the presence of the pixel of at least preset quantity is more than preset curvature, it is determined that the fingerprint recognition instruction
The bending degree for triggering region is more than default bending degree.
3. fingerprint identification method as described in claim 1, which is characterized in that determined and led according to the bending position of the flexible screen
The step of fingerprint identification region includes：
The flexible screen is divided into several display areas according to the bending position of the flexible screen, and from several viewing areas
Bending degree is selected to be less than the display area of predetermined threshold value in domain；
The area of the display area of selection is calculated, and the maximum display area of the area is determined to be main fingerprint identification region.
4. fingerprint identification method as described in claim 1, which is characterized in that the user's finger in the fingerprint recognition protrusion
Incuded, and the step of obtaining the finger print information of user's finger according to induction result includes：
Each built-in infrared light emitting diode positioned at fingerprint recognition protrusion region emits infrared ray；
It is reflected by each built-in infrared sense diode induction user's finger positioned at fingerprint recognition protrusion region,
Infrared ray is launched by the infrared light-emitting diode；
According to the induction of each built-in infrared sense diode as a result, obtaining the finger print information of user's finger.
5. fingerprint identification method as described in claim 1, which is characterized in that formed and mutually fitted with the size of the touch area
It answers, and the step for the fingerprint recognition protrusion that upper surface is plane includes：
The touch area is divided into the fingerprint recognition subregion of preset quantity, and determines user's finger and each fingerprint recognition
The contact area in region；
According to the contact area of user's finger and each fingerprint recognition subregion, the braking being located under each fingerprint recognition subregion is determined
The application voltage value of device；
According to the application voltage value of the brake under each fingerprint recognition subregion, to the braking being located under each fingerprint recognition subregion
Device applies corresponding voltage, is adapted with the size of the touch area with being formed, and the fingerprint recognition that upper surface is plane is convex
It rises.
6. the fingerprint identification method as described in any one of claim 1-5, which is characterized in that determine the fingerprint recognition instruction
The bending degree in triggering region the step of whether being more than default bending degree before, further include：
When detecting that the fingerprint recognition of triggering instructs, determines whether the mobile terminal is in and put out screen state；
If the mobile terminal, which is in, puts out screen state, user's face image is acquired, and pass through preset several infrared sensors
Receive infrared external reflection light；
The infrared external reflection light received according to the user's face image of acquisition and preset several infrared sensors determines user's sight
Whether the flexible screen of the mobile terminal is located at；
If user's sight is located at the flexible screen of the mobile terminal, the mobile terminal is lighted.
7. fingerprint identification method as claimed in claim 6, which is characterized in that the user's face image according to acquisition and pre-
If the infrared external reflection light that receives of several infrared sensors determine whether user's sight is located at the flexible screen of the mobile terminal
Step includes：
According to the infrared external reflection light that preset several infrared sensors receive, user is cut out from the user's face image of acquisition
Eyes image, and user's direction of visual lines is determined according to user's eyes image；
It is located on user's direction of visual lines according to the location determination of each infrared sensor in several infrared sensors
Infrared sensor；
It is default to determine whether the infrared external reflection luminous intensity for each infrared sensor being located on user's direction of visual lines is all higher than
Threshold value；
If the infrared external reflection luminous intensity of each infrared sensor on user's direction of visual lines is all higher than predetermined threshold value,
Determine that user's sight is located at the flexible screen of the mobile terminal.
8. fingerprint identification method as claimed in claim 7, which is characterized in that determine that user regards according to user's eyes image
The step of line direction includes：
Partial enlargement is carried out to user's eyes image, to obtain partial enlargement image, and according to the partial enlargement image
Determine user's direction of visual lines.
9. a kind of mobile terminal, which is characterized in that the mobile terminal includes：Flexible screen, memory, processor and it is stored in institute
The fingerprint recognition program that can be run on memory and on the processor is stated, the fingerprint recognition program is held by the processor
It is realized such as the step of fingerprint identification method described in any item of the claim 1 to 8 when row.
10. a kind of computer readable storage medium, which is characterized in that be stored with fingerprint knowledge on the computer readable storage medium
Other program realizes such as fingerprint recognition described in any item of the claim 1 to 8 when the fingerprint recognition program is executed by processor
The step of method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810453931.5A CN108734118A (en) | 2018-05-11 | 2018-05-11 | Fingerprint identification method, mobile terminal and computer readable storage medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810453931.5A CN108734118A (en) | 2018-05-11 | 2018-05-11 | Fingerprint identification method, mobile terminal and computer readable storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108734118A true CN108734118A (en) | 2018-11-02 |
Family
ID=63937396
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810453931.5A Withdrawn CN108734118A (en) | 2018-05-11 | 2018-05-11 | Fingerprint identification method, mobile terminal and computer readable storage medium |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112416181A (en) * | 2021-01-22 | 2021-02-26 | 深圳阜时科技有限公司 | Curved surface fingerprint sensor, fingerprint detection method thereof and electronic equipment |
| CN112580605A (en) * | 2020-12-31 | 2021-03-30 | 敦泰电子（深圳）有限公司 | Fingerprint image acquisition method and device, electronic equipment and storage medium |
-
2018
- 2018-05-11 CN CN201810453931.5A patent/CN108734118A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112580605A (en) * | 2020-12-31 | 2021-03-30 | 敦泰电子（深圳）有限公司 | Fingerprint image acquisition method and device, electronic equipment and storage medium |
| CN112416181A (en) * | 2021-01-22 | 2021-02-26 | 深圳阜时科技有限公司 | Curved surface fingerprint sensor, fingerprint detection method thereof and electronic equipment |
| CN112416181B (en) * | 2021-01-22 | 2021-08-06 | 深圳阜时科技有限公司 | Curved surface fingerprint sensor, fingerprint detection method thereof and electronic equipment |
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Application publication date: 20181102 |