CN107077279A - A kind of method and device of pressure detecting - Google Patents
A kind of method and device of pressure detecting Download PDFInfo
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- CN107077279A CN107077279A CN201680001297.0A CN201680001297A CN107077279A CN 107077279 A CN107077279 A CN 107077279A CN 201680001297 A CN201680001297 A CN 201680001297A CN 107077279 A CN107077279 A CN 107077279A
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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
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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
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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
- G06V40/1365—Matching; Classification
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- General Engineering & Computer Science (AREA)
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Abstract
A kind of method and device of pressure detecting, methods described includes：Fingerprint image is gathered, the fingerprint image is identified, its corresponding pressure rating quantization parameter is obtained；Pressing data is parsed, and obtains the characteristics of objects value of the pressing data；According to the pressure rating quantization parameter and the characteristics of objects value, the pressure rating of finger pressing is calculated.The fingerprint image collected is identified the application, and pressing data is parsed, calculated according to the pressure rating quantization parameter and characteristics of objects value respectively obtained and obtain pressure rating, so as to improve the accuracy of pressure rating detection, improve the performance and Consumer's Experience of pressure detecting.
Description
Technical field
The application belongs to intelligent terminal technical field, more particularly to a kind of method and device of pressure detecting.
Background technology
Intelligent terminal possesses access the Internet capability, generally carries various operating systems, can be customized according to user's request
Various functions.Common intelligent terminal includes mobile intelligent terminal, vehicle intelligent terminal, intelligent television, wearable set in life
It is standby etc..With the development of intelligent terminal technology, the raising to the convenience requirement of its operating characteristics, with pressure detecting function
Intelligent terminal more and more enters in the life of access customer, such as adds slips on pressing module, the function such as clicks, apply
In scenes such as page turning, image scalings.Biological characteristic when above-mentioned pressing module is pressed according to user, which carries out pressure detecting, turns into new
Research direction, such as fingerprint texture, CBF, beat intensity, but be present difference in the biological characteristic of different user, cause
The pressure rating error detected is larger.
For example, when the biological characteristic for pressure detecting is the finger print information of user, due to different finger cutin thickness
Degree, fingerprint texture depth have differences, at the same pressure, and the situation of change of the corresponding finger print data of different fingerprints is different.From
And causing the pressure rating error detected larger, the Consumer's Experience of the pressure detecting function based on finger print data is poor.
Therefore, how pressure rating is detected exactly, the technical problem as urgent need to resolve in the prior art.
The content of the invention
The application provides a kind of method and device of pressure detecting, and the fingerprint image that collected can be identified for it, and
Pressing data is parsed, is calculated according to the pressure rating quantization parameter and characteristics of objects value respectively obtained and obtains pressure etc.
Level, improves the accuracy of pressure detecting.
The embodiment of the application one provides a kind of method of pressure detecting, including：Fingerprint image is gathered, to the fingerprint image
It is identified, and obtains its corresponding pressure rating quantization parameter；Pressing data is parsed, and obtains the pressing data
Characteristics of objects value；According to the pressure rating quantization parameter and the characteristics of objects value, the pressure rating of finger pressing is calculated.
Another embodiment of the application provides a kind of electronic installation of pressure detecting, including：Parameter acquisition module, for gathering
Fingerprint image, the fingerprint image is identified, and obtains its corresponding pressure rating quantization parameter；Characteristic value obtains mould
Block, for being parsed to pressing data, and obtains the characteristics of objects value of the pressing data；Pressure acquisition module, for root
According to the pressure rating quantization parameter and the characteristics of objects value, the pressure rating of finger pressing is calculated.
The application another embodiment also provides a kind of nonvolatile computer storage media, and the computer that is stored with is executable to be referred to
Order, the computer executable instructions include：Fingerprint image is gathered, the fingerprint image is identified, and obtains its correspondence
Pressure rating quantization parameter；Pressing data is parsed, and obtains the characteristics of objects value of the pressing data；According to described
Pressure rating quantization parameter and the characteristics of objects value, calculate the pressure rating of finger pressing.
The application another embodiment also provides a kind of electronic equipment, including：At least one processor；And at least one storage
Device；Wherein, have can be by the program of at least one computing device for an at least memory storage, and the instruction is described
At least one computing device, so that at least one described processor is able to carry out：Fingerprint image is gathered, to the fingerprint image
It is identified, and obtains its corresponding pressure rating quantization parameter；Pressing data is parsed, and obtains the pressing data
Characteristics of objects value；According to the pressure rating quantization parameter and the characteristics of objects value, the pressure rating of finger pressing is calculated.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of embodiment flow chart of the application pressure detection method；
Fig. 2 is that the application presses a kind of hardware architecture diagram of embodiment of module；
Fig. 3 is the hardware architecture diagram that the application presses another embodiment of module；
Fig. 4 is a kind of embodiment flow chart of the application pressure detection method step S1 shown in Fig. 1；
Fig. 5 is a kind of embodiment flow chart of the application pressure detection method；
Fig. 6 is a kind of embodiment flow chart of the application pressure detection method step S3 shown in Fig. 1；
Fig. 7 is a kind of example structure schematic diagram of the application pressure-detecting device；
Fig. 8 is a kind of example structure schematic diagram of parameter acquisition module in the application pressure-detecting device shown in Fig. 7；
Fig. 9 is a kind of example structure schematic diagram of the application pressure-detecting device；
Figure 10 is a kind of example structure schematic diagram of pressure acquisition module in the application pressure-detecting device；
Figure 11 is the hardware architecture diagram for the electronic equipment that the application performs pressure detection method.
Embodiment
The fingerprint image of acquisition is identified the application, and pressing data is parsed, and is quantified according to pressure rating
Parameter and characteristics of objects value, which are calculated, obtains pressure rating.The application is according to different fingerprint images, using different pressure ratings
Quantization parameter obtains pressure rating with reference to the characteristics of objects value, so as to improve the accuracy of pressure rating detection, improves
The performance and Consumer's Experience of pressure detecting.
To enable present invention purpose, feature, advantage more obvious and understandable, below in conjunction with the application
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described reality
Apply example only some embodiments of the present application, and not all embodiments.Based on the embodiment in the application, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model of the application protection
Enclose.
The embodiment of the present application provides a kind of method of pressure detecting, applied to the intelligent terminal with pressing module.It is described
Intelligent terminal includes mobile phone, notebook, tablet personal computer, POS and vehicle-mounted computer etc..
Referring to Fig. 1, methods described includes：
S1, collection fingerprint image, the fingerprint image is identified, and obtains its corresponding pressure rating quantization ginseng
Number.
S2, pressing data is parsed, and obtain the characteristics of objects value of the pressing data.
S3, the pressure rating pressed according to the pressure rating quantization parameter and the characteristics of objects value, calculating finger.
The application is according to the recognition results of different fingerprint images, using different pressure rating quantization parameters with reference to described right
As characteristic value obtains pressure rating, so as to improve the accuracy of pressure rating detection, the performance and use of pressure detecting are improved
Experience at family.
The application one kind in the specific implementation, the pressing module can be used for user using its finger press when
Gather the fingerprint image of the finger and obtain corresponding pressing data.The pressing data includes fingerprint texture data, blood flow
Measure the one or more in data and beat intensity data.Wherein, the fingerprint texture data can utilize the hand in user
Obtained when referring to the pressing pressing module from the fingerprint image collected, in other words the fingerprint texture data can specific table
It is now the fingerprint image；The CBF data and the beat intensity data can be pressed into the pressing in the finger
Obtained during the contact surface of module by detecting the finger.
Specifically, when user utilizes its finger and presses the pressing module by different dynamics, the finger
The fingerprint texture of fingerprint image, the CBF and beat intensity obtained by finger detection will press dynamics according to finger
Different and change, therefore, the fingerprint texture data, CBF data and beat intensity data can characterize user's utilization
The pressure information of its finger pressing pressing module, you can with by parsing the above-mentioned fingerprint texture acquired, CBF
And the feature of beat intensity obtains pressure information.
It is described pressing module may include fingerprint acquisition device and pressure sensitive device, be respectively used to obtain fingerprint image and by
Press data.
Specifically, in one embodiment, fingerprint acquisition device and pressure sensitive device can be integrally formed (such as Fig. 2
It is shown), such as same fingerprint sensor or fingerprint detection module is integrated in realize；Or, in another embodiment,
Fingerprint acquisition device and pressure sensitive device can be two independent functional units (as shown in Figure 3) that split is formed.
Fig. 2 is that the application presses a kind of hardware architecture diagram of embodiment of module, presses the fingerprint collecting in module 20
Device is formed in one with pressure sensitive device, and pressing module 20 can pass through integrated fingerprint acquisition device and pressure sensitive
Device gathers fingerprint image and obtains corresponding pressing data.
Fig. 3 is the hardware architecture diagram that the application presses another embodiment of module, presses the fingerprint collecting of module 20
Device is formed with pressure sensitive device for split, wherein, fingerprint acquisition device 22 can be used for collection fingerprint image, pressure sensitive dress
23 are put to can be used for obtaining the pressing data corresponding with the fingerprint image.
In the embodiment of the present application, so that the pressing data is fingerprint image data as an example, the fingerprint collecting dress is parsed
The fingerprint image collected is put, the characteristic of fingerprint, such as average, peak value, crestal line deformation degree, by the characteristic is obtained
According to being used as the pressing data.
So that the pressing data is CBF as an example, the pressure sensitive device can be CBF detection means, blood flow
Amount detecting device obtains CBF data when finger is pressed using different dynamics, the not actual blood of CBF data in real time
Flow, but the value being directly proportional to actual flow of blood amount, it can represent the size of actual flow of blood amount.Blood flow amount detecting device is obtained
CBF data be used as the pressing data.
So that the pressing data is beat intensity as an example, the pressure sensitive device can be pulse detecting device, pulse
Detection means obtains the beat intensity data of generation when finger is pressed using different dynamics in real time.For example, pulse detecting device
Beat intensity data can be obtained by capacitance detecting method, this method belongs to prior art, will not be repeated here.Pulse detection is filled
The beat intensity data of acquisition are put as the pressing data.
Also toe image, or other object images can be used to replace the fingerprint image of finger for certain the application, specific real
Existing mode is similar, will not be repeated here.
Referring to Fig. 4, the step S1 includes：
S11, collection fingerprint image.
In the present embodiment, fingerprint image can be gathered by fingerprint acquisition device.
With the presence or absence of the fingerprint image mould matched with the fingerprint image in the information in fingerprint storehouse that S12, judgement prestore
Plate information.
Wherein, information in fingerprint storehouse can prestore the fingerprint image Template Information of registered user, each fingerprint image
As Template Information stores fingerprint sign value and pressure rating quantization parameter corresponding with the fingerprint sign value.
The fingerprint sign value includes the value that line shape, core point, line number of fingerprint etc. is used to indicate user's finger identity.
The application obtains the fingerprint sign value of the finger according to the fingerprint image of the finger, and inquires about the fingerprint
Fingerprint image Template Information in Image Database；If there is the fingerprint sign value in fingerprint image Template Information with acquisition
The fingerprint sign value of fingerprint image is identical, then it represents that there is the fingerprint image with the finger in the information in fingerprint storehouse
The fingerprint image Template Information matched somebody with somebody.
S13, if it is present reading the pressure rating quantization parameter from the fingerprint image Template Information.
If there is the fingerprint image template letter matched with the fingerprint image of the finger in the information in fingerprint storehouse
Breath, then read pressure rating quantization parameter corresponding with the fingerprint image from the fingerprint image Template Information.
S14, otherwise, the pressure rating quantization parameter is set to by default value.
If the fingerprint image template matched with the fingerprint image of the finger is not present in the information in fingerprint storehouse
Information, then be set to the pressure rating quantization parameter by default value.The default value is that those skilled in the art are as needed
It is configured.
The fingerprint image for the finger that the present embodiment is obtained to the pressing module is identified, according to the fingerprint image prestored
Information bank obtains pressure rating quantization parameter corresponding with fingerprint image with the presence or absence of the image template information of matching.Therefore, originally
Embodiment can obtain different pressure rating quantization parameters according to different fingerprint images.
Referring to Fig. 5, one kind of the method for the pressure detecting provided in the application is in the specific implementation, before the step S11
Also include：
S10, at least two groups continuous pressing datas of acquisition registered user characteristics of objects value, and it is relative to benchmark spy
The maximum variable quantity of value indicative.
Specifically, after user completes the fingerprint template registration of finger, pressing module can be switched to pressure detecting mould
Formula, now system prompts user using the finger from gently pressing pressing mold to important place (press dynamics from small to large) pressing is described
Group, the continuous pressing data is the pressing number that the pressing of the registered user of the continuous acquisition from light to heavy pressing module is obtained
According to.Using pressing data as fingerprint texture data instance, fingerprint texture data can be embodied in fingerprint image, the fingerprint collecting
The fingerprint image that device capture user's finger is pressed from light to heavy, until finger is lifted.
Wherein, the continuous pressing data for obtaining registered user is effective pressing data, using pressing data as fingerprint texture number
Exemplified by, i.e., in the corresponding fingerprint image of fingerprint texture data, pressing area is more than the fingerprint texture data of certain threshold value
It is effective pressing data.
In this step S10, using pressing data as fingerprint texture data instance, fingerprint texture data can be embodied in finger
Print image；First, the user of continuous acquisition presses the fingerprint image of the pressing module from light to heavy, and calculates continuous acquisition
Fingerprint image in each frame fingerprint image characteristics of objects value, obtain characteristics of objects value { x1,x2,…,xM, wherein M is collection
Continuous fingerprint image frame number.The characteristics of objects value, which includes average, peak value, crestal line deformation degree etc., can measure pressing force
The one or more of the characteristic value of size.
Further, the characteristic value for the fingerprint image that the first frame is effectively pressed is chosen as reference characteristic value, is calculated each
Characteristic value { the x of frame fingerprint image1,x2,…,xMRelative to reference characteristic value x1Difference absolute value, wherein, calculating is obtained
Maximum difference absolute value be when pressing dynamics is maximum fingerprint image relative to the maximum variable quantity S of reference characteristic value, calculate
Formula is as follows：
S100, according to the maximum variable quantity and default pressure rating span, calculate the pressure rating and quantify
Parameter.
Pressure rating span is set as [0, N], the span of the variable quantity is [0, S], from the maximum change
The mapping function of change amount to pressure rating is：
N=f (s, α)
Wherein, n ∈ [0, N] represent pressure rating, and s ∈ [0, S] represent fingerprint image characteristics value relative to reference characteristic value
Variable quantity, α represents pressure rating quantization parameter, and f () represents mapping function.(0, α)=0, f (S, α)=N, calculates and obtains
The pressure rating quantization parameter α.
S1000, the pressure rating quantization parameter is saved in as the fingerprint image Template Information of registered user it is described
In information in fingerprint storehouse.
In the application one in the specific implementation, the pressure rating quantization parameter can be indicated according to the fingerprint of its fingerprint image
Value is stored into the fingerprint image Template Information of registered user, and is prestored into the information in fingerprint storehouse.Due to inciting somebody to action
It is that foundation is used as using the fingerprint sign value of fingerprint image when the pressure rating quantization parameter storage is to fingerprint image Template Information
, therefore, in the information in fingerprint storehouse, the pressure rating quantization parameter be with the fingerprint sign value of fingerprint image it
Between there is mutual corresponding relation.
Referring to Fig. 6, one kind of the method for the pressure detecting provided in the application is in the specific implementation, the step S3 includes：
The variable quantity of S31, the calculating characteristics of objects value relative to reference characteristic value.
In the present embodiment, the reference characteristic value is first group of effective pressing data correspondence in the continuous pressing data
Characteristics of objects value xbase。
Using pressing data as fingerprint texture data instance, fingerprint texture data can be embodied in fingerprint image, the base
Quasi- characteristic value can be the corresponding fingerprint characteristic value of the first frame fingerprint image of collection.
Calculate the characteristics of objects value xcurrRelative to the variable quantity s of reference characteristic valuecurr=| xcurr-xbase|。
S32, according to the pressure rating quantization parameter, the variable quantity is quantified as the pressure rating.
In the present embodiment, according to pressure rating quantization parameter αcurr, by the characteristics of objects value xcurrIt is special relative to benchmark
The variable quantity s of value indicativecurrIt is quantified as pressure rating ncurr=f (scurr,αcurr), output pressure rating calculation result ncurr。
The embodiment of the present application also provides a kind of device of pressure detecting, applied to the intelligent terminal with pressing module.Institute
Stating intelligent terminal includes mobile phone, notebook, tablet personal computer, POS and vehicle-mounted computer etc..
Referring to Fig. 7, described device includes：
Parameter acquisition module 70, is configured to gather fingerprint image, the fingerprint image is identified, its is obtained corresponding
Pressure rating quantization parameter.
Characteristic value acquisition module 80, is configured to parse pressing data, obtains the characteristics of objects of the pressing data
Value.
Pressure acquisition module 90, is configured to, according to the pressure rating quantization parameter and the characteristics of objects value, calculate hand
Refer to the pressure rating of pressing.
The application is according to the recognition results of different fingerprint images, using different pressure rating quantization parameters with reference to described right
As characteristic value obtains pressure rating, so as to improve the accuracy of pressure rating detection, the performance and use of pressure detecting are improved
Experience at family.
The application one kind in the specific implementation, the pressing module can be used for user using its finger press when
Gather the fingerprint image of the finger and obtain corresponding pressing data.The pressing data includes fingerprint texture data, blood flow
Measure the one or more in data and beat intensity data.Wherein, the fingerprint texture data can utilize the hand in user
Obtained when referring to the pressing pressing module from the fingerprint image collected, in other words the fingerprint texture data can specific table
It is now the fingerprint image；The CBF data and the beat intensity data can be pressed into the pressing in the finger
Obtained during the contact surface of module by detecting the finger.
Specifically, when user utilizes its finger and presses the pressing module by different dynamics, the finger
The fingerprint texture of fingerprint image, the CBF and beat intensity obtained by finger detection will press dynamics according to finger
Different and change, therefore, the fingerprint texture data, CBF data and beat intensity data can characterize user's utilization
The pressure information of its finger pressing pressing module, you can with by parsing the above-mentioned fingerprint texture acquired, CBF
And the feature of beat intensity obtains pressure information.
It is described pressing module may include fingerprint acquisition device and pressure sensitive device, be respectively used to obtain fingerprint image and by
Press data.
Specifically, in one embodiment, fingerprint acquisition device and pressure sensitive device can be integrally formed (such as Fig. 2
It is shown), such as same fingerprint sensor or fingerprint detection module is integrated in realize；Person, in another embodiment, refers to
Two independent functional units (as shown in Figure 3) that line harvester and pressure sensitive device can be or split is formed.
Fig. 2 is that the application presses a kind of hardware architecture diagram of embodiment of module, presses the fingerprint collecting in module 20
Device is formed in one with pressure sensitive device, and pressing module 20 can pass through integrated fingerprint acquisition device and pressure sensitive
It is installed on the fingerprint image of collection and obtains corresponding pressing data.
Fig. 3 is that the fingerprint in the hardware architecture diagram that the application presses another embodiment of module, pressing module 20 is adopted
Acquisition means are formed with pressure sensitive device for split, wherein, fingerprint acquisition device 22 can be used for the fingerprint image of collection, feeling of stress
Device 23 is answered to can be used for collection to obtain the pressing data corresponding with the fingerprint image.
In the embodiment of the present application, so that the pressing data is fingerprint image data as an example, filled by the fingerprint collecting
Acquisition fingerprint image is put, the fingerprint image is parsed, the characteristic of fingerprint, such as average, peak value, crestal line deformation degree is obtained
Deng regarding the characteristic as the pressing data.
So that the pressing data is CBF as an example, the pressure sensitive device can be CBF detection means, blood flow
Amount detecting device obtains CBF data when finger is pressed using different dynamics, the not actual blood of CBF data in real time
Flow, but the value being directly proportional to actual flow of blood amount, it can represent the size of actual flow of blood amount.Blood flow amount detecting device is obtained
CBF data be used as the pressing data.
So that the pressing data is beat intensity as an example, the pressure sensitive device can be pulse detecting device, pulse
Detection means obtains the beat intensity data of generation when finger is pressed using different dynamics in real time.For example, pulse detecting device
Beat intensity data can be obtained by capacitance detecting method, this method belongs to prior art, will not be repeated here.Pulse detection is filled
The beat intensity data of acquisition are put as the pressing data.
Also toe image, or other object images can be used to replace the fingerprint image of finger for certain the application, specific real
Existing mode is similar, will not be repeated here.
Referring to Fig. 8, the parameter acquisition module 70 includes：
Finger print acquisition module 71, is configured to gather the fingerprint image；
Fingerprint identification module 72, is configured to judge to whether there is and the fingerprint image in the information in fingerprint storehouse prestored
The fingerprint image Template Information of matching.
Wherein, information in fingerprint storehouse can prestore the fingerprint image Template Information of registered user, each fingerprint image
As Template Information stores fingerprint sign value and pressure rating quantization parameter corresponding with the fingerprint sign value.
The fingerprint sign value includes the value that line shape, core point, line number of fingerprint etc. is used to indicate user's finger identity.
The application obtains the fingerprint sign value of the finger and inquires about the fingerprint image according to the fingerprint image of the finger
As the fingerprint image Template Information in information bank；If there is the fingerprint sign value in fingerprint image Template Information with the finger obtained
The fingerprint sign value of print image is identical, then it represents that exists in the information in fingerprint storehouse and is matched with the fingerprint image of the finger
Fingerprint image Template Information.
Information inquiry module 73, is configured to when there is the fingerprint image Template Information of matching, from the fingerprint image mould
The pressure rating quantization parameter is read in plate information.
If there is the fingerprint image template letter matched with the fingerprint image of the finger in the information in fingerprint storehouse
Breath, then read pressure rating quantization parameter corresponding with the fingerprint image from the fingerprint image Template Information.
Default value setup module 74, is configured to, when the fingerprint image Template Information in the absence of matching, default value be set
For the pressure rating quantization parameter.
If the fingerprint image template matched with the fingerprint image of the finger is not present in the information in fingerprint storehouse
Information, then be set to the pressure rating quantization parameter by default value.The default value is that those skilled in the art are as needed
It is configured.
The fingerprint image for the finger that the present embodiment is obtained to the pressing module is identified, according to the fingerprint image prestored
Information bank obtains pressure rating quantization parameter corresponding with fingerprint image with the presence or absence of the image template information of matching.Therefore, originally
Embodiment can obtain different pressure rating quantization parameters according to different fingerprint images.
It is another in the specific implementation, described device also includes in the application referring to Fig. 9：
Characteristic value processing module 75, is configured to obtain the characteristics of objects of at least two groups continuous pressing datas of registered user
Value, and it is relative to the maximum variable quantity of reference characteristic value.
Specifically, after user completes the fingerprint template registration of finger, pressing module can be switched to pressure detecting mould
Formula, now system prompts user using the finger from gently pressing pressing mold to important place (press dynamics from small to large) pressing is described
Group, the continuous pressing data is the pressing number that the pressing of the registered user of the continuous acquisition from light to heavy pressing module is obtained
According to.Using pressing data as fingerprint texture data instance, fingerprint texture data are embodied in fingerprint image, the fingerprint collecting dress
The fingerprint image that capture user's finger is pressed from light to heavy is put, until finger is lifted.
Wherein, the continuous pressing data for obtaining registered user is effective pressing data, using pressing data as fingerprint texture number
Exemplified by, i.e., in the corresponding fingerprint image of fingerprint texture data, pressing area is more than the fingerprint texture data of certain threshold value
It is effective pressing data.
In this module, using pressing data as fingerprint texture data instance, fingerprint texture data can be embodied in fingerprint
Image；First, the user of continuous acquisition presses the fingerprint image of the pressing module from light to heavy, and calculates continuous acquisition
The characteristics of objects value of each frame fingerprint image in fingerprint image, obtains characteristics of objects value { x1,x2,…,xM, wherein M is collection
The frame number of continuous fingerprint image.It is big that the characteristics of objects value can measure pressing force including average, peak value, crestal line deformation degree etc.
The one or more of small characteristic value.
Further, the characteristic value for the fingerprint image that the first frame is effectively pressed is chosen as reference characteristic value, is calculated each
Characteristic value { the x of frame fingerprint image1,x2,…,xMRelative to reference characteristic value difference absolute value, wherein, calculate and obtain
Fingerprint image calculates public relative to the maximum variable quantity S of reference characteristic value when maximum difference absolute value is pressing dynamics maximum
Formula is as follows：
Parameter processing module 76, is configured to, according to the maximum variable quantity and default pressure rating span, calculate
The pressure rating quantization parameter.
Pressure rating span is set as [0, N], the span of the variable quantity is [0, S], from the maximum change
The mapping function of change amount to pressure rating is：
N=f (s, α)
Wherein, n ∈ [0, N] represent pressure rating, s ∈] 0, S] represent fingerprint image characteristics value relative to reference characteristic value
Variable quantity, f () represent mapping function.F (0, α)=0, f (S, α)=N, calculates and obtains the pressure rating quantization parameter α.
Information storage module 77, be configured to using the pressure rating quantization parameter as registered user fingerprint image template
Information is saved in the information in fingerprint storehouse.
In the application one in the specific implementation, the pressure rating quantization parameter can be indicated according to the fingerprint of its fingerprint image
Value is stored into the fingerprint image Template Information of registered user, and is prestored into the information in fingerprint storehouse.Due to inciting somebody to action
Be when pressure rating quantization parameter storage is to fingerprint image Template Information fingerprint image fingerprint sign value as foundation,
Therefore, in the information in fingerprint storehouse, the pressure rating quantization parameter is between the fingerprint sign value of fingerprint image
In the presence of mutual corresponding relation.
Referring to Figure 10, one kind one of the pressure detecting provided in the application is in the specific implementation, the pressure acquisition module 90
Including：
Variable quantity acquisition module 91, is configured to calculate variable quantity of the characteristics of objects value relative to reference characteristic value.
In the present embodiment, the reference characteristic value is first group of effective pressing data correspondence in the continuous pressing data
Characteristics of objects value.
Using pressing data as fingerprint texture data instance, fingerprint texture data can be embodied in fingerprint image, the base
Quasi- characteristic value can be the corresponding fingerprint characteristic value x of the first frame fingerprint image of collectionbase。
Calculate the characteristics of objects value xcurrRelative to the variable quantity s of reference characteristic valuecurr=| xcurr-xbase|。
Calculation of pressure module 92, is configured to according to the pressure rating quantization parameter, the variable quantity is quantified as described
Pressure rating.
In the present embodiment, according to pressure rating quantization parameter αcurr, by the characteristics of objects value xcurrIt is special relative to benchmark
The variable quantity s of value indicativecurrIt is quantified as pressure rating ncurr=f (scurr,αcurr), output pressure rating calculation result ncurr。
Figure 11 is the hardware architecture diagram for some electronic equipments that the application performs kind of pressure detection method.According to Figure 11
Shown, the equipment includes：
In one or more processors 1110 and memory 1120, Figure 11 by taking a processor 1110 as an example.
Performing the equipment of kind of pressure detection method can also include：Input unit 1130 and output device 1130.
Processor 1110, memory 1120, input unit 1130 and output device 1130 can by bus or other
Mode is connected, in Figure 11 exemplified by being connected by bus.
The processor 1110 of the embodiment of the present application exists in a variety of forms, includes but is not limited to:
(1) chip：It is integrated circuit (IC, integrated circuit) carrier, for example, fingerprint chip, specifically may be used
Realize fingerprint collecting, fingerprint identification function.
(2) it is other can be with the logic machine of configuration processor, for example, the central processing unit in computer.
Memory 1120 is as a kind of non-volatile computer readable storage medium storing program for executing, available for storage non-volatile software journey
The corresponding journey of kind pressure detection method in sequence, non-volatile computer executable program and module, such as the embodiment of the present application
Sequence instruction/module.Processor 1110 is stored in non-volatile software program, instruction and mould in memory 1120 by operation
Block, so that various function application and the data processing of execute server, that is, realize pressure detecting side in above method embodiment
Method.
Memory 1120 can include storing program area and storage data field, wherein, storing program area can store operation system
Application program required for system, at least one function；Storage data field can be stored to be created according to using for kind of pressure-detecting device
Data built etc..In addition, memory 1120 can include high-speed random access memory 1120, non-volatile deposit can also be included
Reservoir 1120, for example, at least one magnetic disk storage 1120, flush memory device or other non-volatile solid state memories 1120
Part.In certain embodiments, memory 1120 is optional including the memory 1120 remotely located relative to processor 1110, these
Remote memory 1120 can pass through network connection to middle pressure-detecting device.The example of above-mentioned network includes but is not limited to interconnection
Net, intranet, LAN, mobile radio communication and combinations thereof.
Input unit 1130 can receive the numeral or character information of input, and produce the user with planting pressure-detecting device
Set and the relevant key signals of function control are inputted.Input unit 1130 may include the equipment such as pressing module.
One or more of modules are stored in the memory 1120, when by one or more of processors
During 1110 execution, the kind pressure detection method in above-mentioned any means embodiment is performed.
The said goods can perform the method that the embodiment of the present application is provided, and possesses the corresponding functional module of execution method and has
Beneficial effect.Not ins and outs of detailed description in the present embodiment, reference can be made to the method that the embodiment of the present application is provided.
The electronic equipment of the embodiment of the present application exists in a variety of forms, includes but is not limited to:
(1) mobile communication equipment:The characteristics of this kind equipment is that possess mobile communication function, and to provide speech, data
Communicate as main target.This Terminal Type includes:Smart mobile phone (such as iPhone), multimedia handset, feature mobile phone, and it is low
Hold mobile phone etc..
(2) super mobile personal computer equipment:This kind equipment belongs to the category of personal computer, there is calculating and processing work(
Can, typically also possess mobile Internet access characteristic.This Terminal Type includes:PDA, MID and UMPC equipment etc., such as iPad.
(3) portable entertainment device:This kind equipment can show and play content of multimedia.The kind equipment includes:Audio,
Video player (such as iPod), handheld device, e-book, and intelligent toy and portable car-mounted navigation equipment.
(4) server:The equipment for providing the service of calculating, the composition of server includes processor 1110, hard disk, internal memory, is
Bus of uniting etc., server is similar with general computer architecture, but is due to need to provide highly reliable service, therefore in processing
Require higher in terms of ability, stability, reliability, security, scalability, manageability.
(5) other electronic installations with data interaction function.
Device embodiment described above is only schematical, wherein the module illustrated as separating component can
To be or may not be physically separate, the part shown as module can be or may not be physics mould
Block, you can with positioned at a place, or can also be distributed on multiple mixed-media network modules mixed-medias.It can be selected according to the actual needs
In some or all of module realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creativeness
Work in the case of, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Understood based on such, on
The part that technical scheme substantially in other words contributes to prior art is stated to embody in the form of software product, should
Computer software product can be stored in a computer-readable storage medium, the computer readable recording medium storing program for performing include be used for
The readable form storage of computer (such as computer) or any mechanism of transmission information.For example, machine readable media is included only
Read memory (ROM), random access memory (RAM), magnetic disk storage medium, optical storage media, flash medium, electricity, light,
Sound or the transmitting signal of other forms (for example, carrier wave, infrared signal, data signal etc.) etc., the computer software product includes
Some instructions are to cause a computer equipment (can be personal computer, server, or network equipment etc.) is performed each
Method described in some parts of individual embodiment or embodiment.
Finally it should be noted that：Above example is only limited to the technical scheme for illustrating the embodiment of the present application, rather than to it
System；Although the application is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：Its
The technical scheme described in foregoing embodiments can still be modified, or which part technical characteristic is equal
Replace；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technical scheme of the application
Spirit and scope.
Claims (16)
1. a kind of method of pressure detecting, it is characterised in that including：
Fingerprint image is gathered, the fingerprint image is identified, and obtain its corresponding pressure rating quantization parameter；
Pressing data is parsed, and obtains the characteristics of objects value of the pressing data；
According to the pressure rating quantization parameter and the characteristics of objects value, the pressure rating of finger pressing is calculated.
2. according to the method described in claim 1, it is characterised in that the pressing data includes fingerprint texture data, CBF
One or more in data and beat intensity data.
3. according to the method described in claim 1, it is characterised in that described that the fingerprint image is identified, obtain its right
The pressure rating quantization parameter answered includes：
Judge in the information in fingerprint storehouse prestored with the presence or absence of the fingerprint image Template Information matched with the fingerprint image；
If it is present reading the pressure rating quantization parameter from the fingerprint image Template Information；
Otherwise, default value is set to the pressure rating quantization parameter.
4. according to the method described in claim 1, it is characterised in that the collection fingerprint image, the fingerprint image is carried out
Identification, also includes before obtaining its corresponding pressure rating quantization parameter：
The characteristics of objects value of at least two groups continuous pressing datas of registered user is obtained, and it is relative to reference characteristic value most
Big variable quantity；
According to the maximum variable quantity and default pressure rating span, the pressure rating quantization parameter is calculated；
The fingerprint image letter is saved in using the pressure rating quantization parameter as the fingerprint image Template Information of registered user
Cease in storehouse.
5. method according to claim 4, it is characterised in that methods described is applied to the intelligence with pressing module eventually
End, the continuous pressing data presses the pressing data of the pressing module for the registered user of continuous acquisition from light to heavy.
6. method according to claim 2, it is characterised in that described according to the pressure rating quantization parameter and described right
As characteristic value, calculating the pressure rating of finger pressing includes：
Calculate variable quantity of the characteristics of objects value relative to reference characteristic value；
According to the pressure rating quantization parameter, the variable quantity is quantified as the pressure rating.
7. the method according to any one of claim 4-6, it is characterised in that the reference characteristic value is continuously pressed to be described
Press the corresponding characteristics of objects value of first group of effective pressing data in data.
8. a kind of pressure-detecting device, it is characterised in that including：
Parameter acquisition module, is configured to gather fingerprint image, the fingerprint image is identified, and obtain its corresponding pressure
Grade quantizing parameter；
Characteristic value acquisition module, is configured to parse pressing data, and obtains the characteristics of objects value of the pressing data；
Pressure acquisition module, is configured to according to the pressure rating quantization parameter and the characteristics of objects value, calculates finger pressing
Pressure rating.
9. pressure-detecting device according to claim 8, the pressing data includes fingerprint texture data, CBF data
With the one or more in beat intensity data.
10. pressure-detecting device according to claim 8, the parameter acquisition module includes：
Finger print acquisition module, is configured to gather the fingerprint image；
Fingerprint identification module, is configured to judge to whether there is what is matched with the fingerprint image in the information in fingerprint storehouse prestored
Fingerprint image Template Information；
Information inquiry module, is configured to when there is the fingerprint image Template Information of matching, then from the fingerprint image template believe
The pressure rating quantization parameter is read in breath；
Default value setup module, is configured to when the fingerprint image Template Information in the absence of matching, default value is set to described
Pressure rating quantization parameter.
11. device according to claim 8, it is characterised in that also include：
Characteristic value processing module, is configured to obtain the characteristics of objects value of at least two groups continuous pressing datas of registered user, and
Its maximum variable quantity relative to reference characteristic value；
Parameter processing module, is configured to, according to the maximum variable quantity and default pressure rating span, calculate the pressure
Power grade quantizing parameter；
Information storage module, is configured to protect the pressure rating quantization parameter as the fingerprint image Template Information of registered user
It is stored in the information in fingerprint storehouse.
12. pressure-detecting device according to claim 11, it is characterised in that the pressure-detecting device is applied to have
The intelligent terminal of module is pressed, the continuous fingerprint image is the pressing pressing of the registered user of continuous acquisition from light to heavy
The fingerprint image of module.
13. pressure-detecting device according to claim 9, it is characterised in that the pressure acquisition module includes：
Variable quantity acquisition module, is configured to calculate variable quantity of the characteristics of objects value relative to reference characteristic value；
Calculation of pressure module, is configured to, according to the pressure rating quantization parameter, the variable quantity is quantified as into described pressure etc.
Level.
14. the pressure-detecting device according to any one of claim 11-13, it is characterised in that the reference characteristic value
For the corresponding characteristics of objects value of the effective pressing data of first group in the continuous pressing data.
15. a kind of nonvolatile computer storage media, be stored with computer executable instructions, the computer executable instructions
Method for performing the pressure detecting as any one of claim 1 to 7.
16. a kind of electronic equipment, including：
At least one processor；And,
The memory being connected with least one described processor communication；Wherein,
The memory storage has can be by the instruction of at least one computing device, and the instruction is by described at least one
Manage device to perform, the method to realize the pressure detecting as any one of claim 1 to 7.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/104840 WO2018082080A1 (en) | 2016-11-07 | 2016-11-07 | Pressure detection method and device |
Publications (2)
| Publication Number | Publication Date |
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| CN107077279A true CN107077279A (en) | 2017-08-18 |
| CN107077279B CN107077279B (en) | 2020-05-19 |
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| CN201680001297.0A Active CN107077279B (en) | 2016-11-07 | 2016-11-07 | Pressure detection method and device |
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| CN (1) | CN107077279B (en) |
| WO (1) | WO2018082080A1 (en) |
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| CN109739379A (en) * | 2018-12-27 | 2019-05-10 | 厦门天马微电子有限公司 | Display panel and its driving method, display device |
| CN110413335A (en) * | 2019-06-18 | 2019-11-05 | 深圳中电长城信息安全系统有限公司 | A kind of starting-up method and device based on fingerprint |
| CN111783780A (en) * | 2019-11-18 | 2020-10-16 | 北京沃东天骏信息技术有限公司 | Image processing method, image processing apparatus, and computer-readable storage medium |
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| CN112184763A (en) * | 2020-09-09 | 2021-01-05 | 南京师范大学镇江创新发展研究院 | Method for constructing visual odometer in robot visual navigation |
| CN116935519B (en) * | 2023-09-15 | 2023-12-12 | 四川金投科技股份有限公司 | Intelligent lock based on short-range wireless communication technology and control method thereof |
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Also Published As
| Publication number | Publication date |
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| WO2018082080A1 (en) | 2018-05-11 |
| CN107077279B (en) | 2020-05-19 |
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