CN105975044A - Method and device for automatically controlling wet hand mode of touch screen through fingerprint detection - Google Patents
Method and device for automatically controlling wet hand mode of touch screen through fingerprint detection Download PDFInfo
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- CN105975044A CN105975044A CN201610260100.7A CN201610260100A CN105975044A CN 105975044 A CN105975044 A CN 105975044A CN 201610260100 A CN201610260100 A CN 201610260100A CN 105975044 A CN105975044 A CN 105975044A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 58
- 239000003990 capacitor Substances 0.000 claims description 19
- 239000008187 granular material Substances 0.000 claims description 13
- 208000031481 Pathologic Constriction Diseases 0.000 claims description 5
- 210000001215 vagina Anatomy 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
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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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Abstract
The invention discloses a method and a device for automatically controlling a wet hand mode of a touch screen through fingerprint detection. The method comprises the following steps: when a mobile terminal starts a fingerprint sensor, obtaining fingerprint image data when the fingers of a user touch the fingerprint sensor; according to the obtained fingerprint image data, identifying whether the fingers of the user are stuck with conducting liquid to operate the mobile terminal with a wet hand or not; and if an identification result shows that the fingers of the user are stuck with the conducting liquid, automatically starting the wet hand operation mode of the touch screen of the mobile terminal. The method and the device can realize the dry and wet hand detection of the fingerprint while the user uses fingerprints to unlock or uses a fingerprint function, the wet hand operation mode of the touch screen of the mobile terminal can be automatically started when the identification result shows that the fingers of the user are stuck with the conducting liquid so as to bring convenience for users to operate, be favorable for the terminal to automatically start/ close the wet hand mode of the touch screen, lower the power consumption of the terminal and improve the cruising ability of the terminal.
Description
Technical field
The present invention relates to technical field of mobile terminals, more specifically, relate to one and examined by fingerprint
Survey the method and device automatically controlling touch screen wet fingerprint formula.
Background technology
Along with the arrival of time of cell-phone, the mobile terminal such as mobile phone has become the instrument that people carry with,
User can use mobile phone to see TV, play game etc..At present, a lot of users can be in the case of wet hands
Operating handset, the touch screen of a lot of mobile phones has also been owned by wet hands operating function, and this has benefited from novel
Touch sensing high sensitivity, high to-noise ratio.But mobile phone wet fingerprint formula can increase the merit of mobile phone
Consumption, if always on, user can think that the flying power of mobile phone can drastically decline.It is directed to this,
It is necessary to design and a kind of can automatically open up/the method for closing hand phone touch screen wet fingerprint formula.
Summary of the invention
It is an object of the invention to overcome drawbacks described above of the prior art, it is provided that one is examined by fingerprint
Surveying the method and device automatically controlling touch screen wet fingerprint formula, it carries out unlocked by fingerprint user or makes
With the dry and wet hands detection that can be achieved with fingerprint while fingerprint function, it is simple to user operation, be conducive to eventually
End automatically opens up/closes touch screen wet fingerprint formula, reduces the power consumption of terminal, improves the continuation of the journey of terminal
Ability.
For achieving the above object, first aspect present invention is provided and a kind of is automatically controlled by fingerprint detection
The method of touch screen wet fingerprint formula, comprises the following steps:
When mobile terminal starts fingerprint sensor, obtain finger during user's finger touch fingerprint sensor
Print image data；
According to the fingerprint image data got, identify the finger of user whether speckle with conducting liquid thus
Mobile terminal is operated by wet hands；
If the finger recognizing user speckles with conducting liquid, then automatically open up the wet of mobile terminal touch screen
Hands operator scheme.
As preferably, in the above-mentioned methods, described when mobile terminal starts fingerprint sensor, obtain
The step taking fingerprint image data when family finger touches fingerprint sensor specifically includes:
In advance the semicoductor capacitor on each pixel of fingerprint sensor is sensed granule and be charged to pre-
If reference voltage；
When user touches fingerprint sensor, the velocity of discharge of semicoductor capacitor sensing granule is surveyed
Amount；
Ridge and the depth in valley according to finger print sense granuloplastic capacitance with semicoductor capacitor
Size is with the relation of the velocity of discharge, thus detects the ridge of finger print and the position in valley, forms fingerprint
View data.
As preferably, in the above-mentioned methods, the fingerprint image data that described basis gets, identify
The finger of user whether speckles with conducting liquid thus the wet hands step that operates mobile terminal is concrete
Including:
Between between the fingerprint shade degree of the fingerprint image data got and/or fingerprint lines
Gap size is analyzed；
The gap length reached between default threshold value and/or fingerprint lines when fingerprint shade degree reaches
To the threshold value preset, it is determined that the finger of user speckles with conducting liquid.
As preferably, in the above-mentioned methods, the fingerprint image data that described basis gets, identify
The finger of user whether speckles with conducting liquid thus the wet hands step that operates mobile terminal is concrete
Including:
Obtain when the fingerprint image data got is speckled with conducting liquid with the user's finger gathered in advance
The fingerprint image data phase comparison got；
Obtain when the fingerprint image data got speckles with conducting liquid with the user's finger gathered in advance
When the fingerprint image data got matches, it is determined that the finger of user speckles with conducting liquid.
As preferably, in the above-mentioned methods, the fingerprint image data that described basis gets, identify
Whether the finger of user speckles with conducting liquid thus after the wet hands step that operates mobile terminal
Also include:
If the finger recognizing user does not has conducting liquid, then the wet hands behaviour of turning-off mobile terminal touch screen
Operation mode.
Second aspect present invention provides one and automatically controls touch screen wet fingerprint formula by fingerprint detection
Device, including:
Fingerprint acquisition module, for when mobile terminal starts fingerprint sensor, obtains user's finger and touches
Touch fingerprint image data during fingerprint sensor；
Wet hands identification module, for according to the fingerprint image data got, identifies that the finger of user is
No speckle with conducting liquid thus mobile terminal is operated by wet hands；
Wet hands mode control module, if speckling with conducting liquid, the most automatically for recognizing the finger of user
Open the wet hands operator scheme of mobile terminal touch screen.
As preferably, in the above-mentioned methods, described fingerprint acquisition module specifically includes:
Charging module, senses the semicoductor capacitor on each pixel of fingerprint sensor in advance
Granule is charged to the reference voltage preset；
Velocity of discharge measurement module, for when user touches fingerprint sensor, to semicoductor capacitor sense
The velocity of discharge answering granule measures；
Fingerprint image acquisition module, for according to the ridge of finger print and the depth in valley and semicoductor capacitor
Sense granuloplastic capacitance size with the relation of the velocity of discharge, thus detect the ridge of finger print
With the position in valley, form fingerprint image data.
As preferably, in the above-mentioned methods, described wet hands identification module specifically includes:
Analyze module, be used for the fingerprint shade degree to the fingerprint image data got and/or refer to
Gap length between stricture of vagina lines is analyzed；
First determination module, for reaching default threshold value and/or fingerprint stricture of vagina when fingerprint shade degree
Gap length between road reaches default threshold value, it is determined that the finger of user speckles with conducting liquid.
As preferably, in the above-mentioned methods, described wet hands identification module specifically includes:
Comparing module, for speckling with the fingerprint image data got with the user's finger gathered in advance
The fingerprint image data phase comparison got during conducting liquid；
Second determination module, for when the fingerprint image data got and the user's finger gathered in advance
When the fingerprint image data got when speckling with conducting liquid matches, it is determined that the finger of user speckles with
Conducting liquid.
As preferably, in the above-mentioned methods, if described wet hands mode control module is additionally operable to recognize
The finger of user does not has conducting liquid, then the wet hands operator scheme of turning-off mobile terminal touch screen.
Compared with prior art, the beneficial effects of the present invention is:
The present invention can be achieved with fingerprint while user carries out unlocked by fingerprint or uses fingerprint function
The detection of dry and wet hands, according to the fingerprint image data got, identify whether the finger of user speckles with and lead
Electro-hydraulic body, thus judge that mobile terminal is operated by the wettest hands of user, when the hands recognizing user
Referring to just can automatically open up when speckling with conducting liquid the wet hands operator scheme of mobile terminal touch screen, it is easy to
User operation, beneficially terminal automatically open up/close touch screen wet fingerprint formula, reduce the power consumption of terminal,
Improve the flying power of terminal.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that,
Accompanying drawing in describing below is some embodiments of the present invention, comes for those of ordinary skill in the art
Say, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is that the one that the embodiment of the present invention one provides automatically controls the wet hands of touch screen by fingerprint detection
The method flow diagram of pattern；
Fig. 2 is the finger print that provides of the present invention comparison figure when three kinds of humidity are different；
Fig. 3 is that the one that the embodiment of the present invention two provides automatically controls the wet hands of touch screen by fingerprint detection
The structured flowchart of the device of pattern；
Fig. 4 is the structured flowchart of the fingerprint acquisition module that the embodiment of the present invention two provides；
Fig. 5 is the structured flowchart of a kind of wet hands identification module that the embodiment of the present invention two provides；
Fig. 6 is the structured flowchart of the another kind wet hands identification module that the embodiment of the present invention two provides.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in inventive embodiments, clearly and completely retouches the technical scheme in the embodiment of the present invention
State, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments.
Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, broadly falls into the scope of protection of the invention.
Embodiment one
Embodiments of the invention one provide one and automatically control the wet fingerprint of touch screen by fingerprint detection
The method of formula, is described in detail to the present embodiment below in conjunction with the accompanying drawings.Fig. 1 is the embodiment of the present invention
The method flow diagram of one, refer to Fig. 1, and the method for the embodiment of the present invention comprises the following steps:
Step S1, when mobile terminal start fingerprint sensor time, obtain user's finger touch fingerprint sensing
Fingerprint image data during device；
In the present embodiment, step S1 specifically includes following steps:
Step S11, in advance on each pixel of fingerprint sensor semicoductor capacitor sense granule
It is charged to the reference voltage preset；
Step S12, when user touches fingerprint sensor, to semicoductor capacitor sensing granule electric discharge
Speed measures；
Step S13, the depth according to the ridge of finger print and valley are formed with semicoductor capacitor sensing granule
Capacitance size with the relation of the velocity of discharge, thus detect the ridge of finger print and the position in valley,
Form fingerprint image data.
Because the ridge of fingerprint is protruding, valley is recessed, according to the relation of capacitance Yu distance, and can be at ridge
Different capacitances is formed with the place in valley, simultaneously as the capacitance difference that ridge is corresponding with valley, so
The speed of its electric discharge is the most different, according to the ridge of finger print and the depth in valley and semicoductor capacitor sensing
The capacitance size that particle shape becomes is with pixel (capacitance the is high) electric discharge under the relation of the velocity of discharge, i.e. ridge
Relatively slow, and pixel (capacitance the is low) electric discharge being under valley is very fast, can detect the position in ridge and valley
Put, thus form fingerprint image data.
In practical operation, carry out unlocked by fingerprint when the finger of user is placed on fingerprint sensor or makes
Fingerprint image data just can be obtained while fingerprint function.
The fingerprint image data that step S2, basis get, identifies whether the finger of user speckles with conduction
Mobile terminal is operated by liquid thus wet hands；
Wherein, described step S2 specifically includes following steps:
Step S211, to the fingerprint shade degree of the fingerprint image data got and/or fingerprint
Gap length between lines is analyzed；
Step S212, reach between default threshold value and/or fingerprint lines when fingerprint shade degree
Gap length reaches default threshold value, it is determined that the finger of user speckles with conducting liquid.
As in figure 2 it is shown, when user's finger moistens when, the color of the fingerprint of finger is relatively deep, simultaneously
Between fingerprint lines, gap also can narrow.
Certainly, in another embodiment, described step S2 also specifically includes following steps:
Step S221, the fingerprint image data got is speckled with conduction with the user's finger gathered in advance
The fingerprint image data phase comparison got during liquid；
Step S222, speckle with conduction with the user's finger gathered in advance when the fingerprint image data got
When the fingerprint image data got during liquid matches, it is determined that the finger of user speckles with conductive liquid
Body.
Concrete, described conducting liquid can include water, oil, perspiration or other conductive fluid mediums.
If the finger recognizing user speckles with conducting liquid, then perform step S3；If recognizing the finger of user
There is no conducting liquid, then perform step S4.
Step S3, automatically open up the wet hands operator scheme of mobile terminal touch screen.
Step S4, the wet hands operator scheme of turning-off mobile terminal touch screen.
When mobile terminal touch screen closes wet hands operator scheme, sensor is in low array density mould
Formula, when mobile terminal touch screen opens wet hands operator scheme, needs to improve the array density of sensor,
It is set to the work of full array density, if the always on wet hands operator scheme of touch screen, will be greatly increased
The power consumption of terminal.
And the method for the present invention carries out unlocked by fingerprint user or uses while fingerprint function with regard to energy
Realize the dry and wet hands detection of fingerprint, according to the fingerprint image data got, identify that the finger of user is
The no conducting liquid that speckles with, thus judge that mobile terminal is operated by the wettest hands of user, when recognizing
The wet hands operation mould of mobile terminal touch screen just can be automatically opened up when the finger of user speckles with conducting liquid
Formula, it is easy to user operation, and beneficially terminal automatically opens up/close touch screen wet fingerprint formula, reduces
The power consumption of terminal, improves the flying power of terminal.
Embodiment two
Embodiments of the invention two provide one and automatically control the wet fingerprint of touch screen by fingerprint detection
The device of formula, refer to Fig. 3, and the device of the embodiment of the present invention includes that fingerprint acquisition module 1, wet hands are known
Other module 2 and wet hands mode control module 3, will be carried out specifically the principle of above-mentioned module below
Bright.
Fingerprint acquisition module 1, for when mobile terminal starts fingerprint sensor, obtaining user's finger
Touch fingerprint image data during fingerprint sensor.
Furthermore, as shown in Figure 4, described fingerprint acquisition module 1 specifically includes:
Charging module 11, in advance to the semicoductor capacitor sense on each pixel of fingerprint sensor
Granule is answered to be charged to the reference voltage preset；
Velocity of discharge measurement module 12, for when user touches fingerprint sensor, to semicoductor capacitor
The velocity of discharge of sensing granule measures；
Fingerprint image acquisition module 13, for according to the ridge of finger print and the depth in valley and semi-conductor electricity
The appearance granuloplastic capacitance size of sensing is with the relation of the velocity of discharge, thus detects finger print
Ridge and the position in valley, form fingerprint image data.
Because the ridge of fingerprint is protruding, valley is recessed, according to the relation of capacitance Yu distance, and can be at ridge
Different capacitances is formed with the place in valley, simultaneously as the capacitance difference that ridge is corresponding with valley, so
The speed of its electric discharge is the most different, according to the ridge of finger print and the depth in valley and semicoductor capacitor sensing
The capacitance size that particle shape becomes is with pixel (capacitance the is high) electric discharge under the relation of the velocity of discharge, i.e. ridge
Relatively slow, and pixel (capacitance the is low) electric discharge being under valley is very fast, can detect the position in ridge and valley
Put, thus form fingerprint image data.
In practical operation, carry out unlocked by fingerprint when the finger of user is placed on fingerprint sensor or makes
Just fingerprint image data can be obtained by fingerprint acquisition module 1 while fingerprint function.
Wet hands identification module 2, for according to the fingerprint image data got, identifying the finger of user
Whether speckle with conducting liquid thus mobile terminal is operated by wet hands.
Concrete, described conducting liquid can include water, oil, perspiration or other conductive fluid mediums.
Furthermore, as it is shown in figure 5, described wet hands identification module 2 specifically includes:
Analyze module 21, for the fingerprint shade degree of the fingerprint image data got and/
Or the gap length between fingerprint lines is analyzed；
First determination module 22, for reaching default threshold value or fingerprint stricture of vagina when fingerprint shade degree
Gap length between road reaches default threshold value, it is determined that the finger of user speckles with conducting liquid.
As in figure 2 it is shown, when user's finger moistens when, the color of the fingerprint of finger is relatively deep, simultaneously
Between fingerprint lines, gap also can narrow.
As another preferred embodiment, as shown in Figure 6, described wet hands identification module 2 also may be used
To specifically include:
Comparing module 23, for being stained with the fingerprint image data got with the user's finger gathered in advance
The fingerprint image data phase comparison got when having conducting liquid；
Second determination module 24, for when the fingerprint image data got and the user's hands gathered in advance
Refer to when the fingerprint image data got when speckling with conducting liquid matches, it is determined that the finger of user is stained with
There is conducting liquid.
Wet hands mode control module 3, if speckling with conducting liquid for recognizing the finger of user, then certainly
The dynamic wet hands operator scheme opening mobile terminal touch screen.
If additionally, the finger that described wet hands mode control module 3 can be also used for recognizing user does not has
Conducting liquid, the then wet hands operator scheme of turning-off mobile terminal touch screen.
Assembly of the invention just can be real while user carries out unlocked by fingerprint or uses fingerprint function
The dry and wet hands detection of existing fingerprint, according to the fingerprint image data got, whether the finger of identification user
Speckle with conducting liquid, thus judge that mobile terminal is operated by the wettest hands of user, when recognizing use
The wet hands operator scheme of mobile terminal touch screen just can be automatically opened up when the finger at family speckles with conducting liquid,
It is easy to user operation, and beneficially terminal automatically opens up/close touch screen wet fingerprint formula, reduces terminal
Power consumption, improve the flying power of terminal.
It should be noted that the one that above-described embodiment provides automatically controls touch screen by fingerprint detection
The device of wet fingerprint formula, is only illustrated with the division of above-mentioned each functional module, in actual application,
As desired above-mentioned functions distribution can be completed by different functional modules, will the inside of system
Structure is divided into different functional modules, to complete all or part of function described above.Additionally,
This mobile terminal can be mobile phone, panel computer, human-computer interaction terminal or other there is the wet hands of touch screen
The mobile terminal device of pattern.
One of ordinary skill in the art will appreciate that realize in above-described embodiment method all or part of
Step can be by program and completes to instruct relevant hardware, and described program can be stored in
In one computer read/write memory medium, described storage medium, such as ROM/RAM, disk, light
Dish etc..
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not by upper
Stating the restriction of embodiment, that is made under other any spirit without departing from the present invention and principle changes
Become, modify, substitute, combine, simplify, all should be the substitute mode of equivalence, be included in the present invention
Protection domain within.
Claims (10)
1. the method automatically controlling touch screen wet fingerprint formula by fingerprint detection, it is characterised in that
The method comprises the following steps:
When mobile terminal starts fingerprint sensor, obtain finger during user's finger touch fingerprint sensor
Print image data；
According to the fingerprint image data got, identify the finger of user whether speckle with conducting liquid thus
Mobile terminal is operated by wet hands；
If the finger recognizing user speckles with conducting liquid, then automatically open up the wet of mobile terminal touch screen
Hands operator scheme.
One the most according to claim 1 automatically controls the wet fingerprint of touch screen by fingerprint detection
The method of formula, it is characterised in that described when mobile terminal starts fingerprint sensor, obtains user's hands
The step of fingerprint image data when referring to touch fingerprint sensor specifically includes:
In advance the semicoductor capacitor on each pixel of fingerprint sensor is sensed granule and be charged to pre-
If reference voltage；
When user touches fingerprint sensor, the velocity of discharge of semicoductor capacitor sensing granule is surveyed
Amount；
Ridge and the depth in valley according to finger print sense granuloplastic capacitance with semicoductor capacitor
Size is with the relation of the velocity of discharge, thus detects the ridge of finger print and the position in valley, forms fingerprint
View data.
One the most according to claim 1 automatically controls the wet fingerprint of touch screen by fingerprint detection
The method of formula, it is characterised in that the fingerprint image data that described basis gets, identifies the hands of user
Refer to whether speckle with conducting liquid thus the wet hands step that operates mobile terminal specifically includes:
Between between the fingerprint shade degree of the fingerprint image data got and/or fingerprint lines
Gap size is analyzed；
The gap length reached between default threshold value and/or fingerprint lines when fingerprint shade degree reaches
To the threshold value preset, it is determined that the finger of user speckles with conducting liquid.
One the most according to claim 1 automatically controls the wet fingerprint of touch screen by fingerprint detection
The method of formula, it is characterised in that the fingerprint image data that described basis gets, identifies the hands of user
Refer to whether speckle with conducting liquid thus the wet hands step that operates mobile terminal specifically includes:
Obtain when the fingerprint image data got is speckled with conducting liquid with the user's finger gathered in advance
The fingerprint image data phase comparison got；
Obtain when the fingerprint image data got speckles with conducting liquid with the user's finger gathered in advance
When the fingerprint image data got matches, it is determined that the finger of user speckles with conducting liquid.
One the most according to claim 1 automatically controls the wet fingerprint of touch screen by fingerprint detection
The method of formula, it is characterised in that the fingerprint image data that described basis gets, identifies the hands of user
Refer to whether speckle with conducting liquid thus also include after wet hands step that mobile terminal is operated:
If the finger recognizing user does not has conducting liquid, then the wet hands behaviour of turning-off mobile terminal touch screen
Operation mode.
6. the device being automatically controlled touch screen wet fingerprint formula by fingerprint detection, it is characterised in that
This device includes:
Fingerprint acquisition module, for when mobile terminal starts fingerprint sensor, obtains user's finger and touches
Touch fingerprint image data during fingerprint sensor；
Wet hands identification module, for according to the fingerprint image data got, identifies that the finger of user is
No speckle with conducting liquid thus mobile terminal is operated by wet hands；
Wet hands mode control module, if speckling with conducting liquid, the most automatically for recognizing the finger of user
Open the wet hands operator scheme of mobile terminal touch screen.
One the most according to claim 6 automatically controls the wet fingerprint of touch screen by fingerprint detection
The device of formula, it is characterised in that described fingerprint acquisition module specifically includes:
Charging module, senses the semicoductor capacitor on each pixel of fingerprint sensor in advance
Granule is charged to the reference voltage preset；
Velocity of discharge measurement module, for when user touches fingerprint sensor, to semicoductor capacitor sense
The velocity of discharge answering granule measures；
Fingerprint image acquisition module, for according to the ridge of finger print and the depth in valley and semicoductor capacitor
Sense granuloplastic capacitance size with the relation of the velocity of discharge, thus detect the ridge of finger print
With the position in valley, form fingerprint image data.
One the most according to claim 6 automatically controls the wet fingerprint of touch screen by fingerprint detection
The device of formula, it is characterised in that described wet hands identification module specifically includes:
Analyze module, be used for the fingerprint shade degree to the fingerprint image data got and/or refer to
Gap length between stricture of vagina lines is analyzed；
First determination module, for reaching default threshold value and/or fingerprint stricture of vagina when fingerprint shade degree
Gap length between road reaches default threshold value, it is determined that the finger of user speckles with conducting liquid.
One the most according to claim 6 automatically controls the wet fingerprint of touch screen by fingerprint detection
The device of formula, it is characterised in that described wet hands identification module specifically includes:
Comparing module, for speckling with the fingerprint image data got with the user's finger gathered in advance
The fingerprint image data phase comparison got during conducting liquid；
Second determination module, for when the fingerprint image data got and the user's finger gathered in advance
When the fingerprint image data got when speckling with conducting liquid matches, it is determined that the finger of user speckles with
Conducting liquid.
One the most according to claim 6 automatically controls the wet fingerprint of touch screen by fingerprint detection
The device of formula, it is characterised in that if described wet hands mode control module is additionally operable to recognize the hands of user
Refer to there is no conducting liquid, then the wet hands operator scheme of turning-off mobile terminal touch screen.
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|---|---|---|---|
| CN201610260100.7A CN105975044B (en) | 2016-04-25 | 2016-04-25 | Method and device for automatically controlling touch screen wet hand mode through fingerprint detection |
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| CN201610260100.7A CN105975044B (en) | 2016-04-25 | 2016-04-25 | Method and device for automatically controlling touch screen wet hand mode through fingerprint detection |
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| CN105975044B CN105975044B (en) | 2020-03-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107401A1 (en) * | 2016-12-14 | 2018-06-21 | 深圳市汇顶科技股份有限公司 | Method and device for detecting wet hand area in fingerprint image |
| CN108537106A (en) * | 2017-03-01 | 2018-09-14 | 映智科技股份有限公司 | Fingerprint detection method and circuit thereof |
| CN113672123A (en) * | 2021-08-23 | 2021-11-19 | 维沃移动通信（杭州）有限公司 | Detection method and device and electronic equipment |
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| CN108537106A (en) * | 2017-03-01 | 2018-09-14 | 映智科技股份有限公司 | Fingerprint detection method and circuit thereof |
| CN108537106B (en) * | 2017-03-01 | 2021-04-27 | 映智科技股份有限公司 | Fingerprint detection method and circuit thereof |
| CN113672123A (en) * | 2021-08-23 | 2021-11-19 | 维沃移动通信（杭州）有限公司 | Detection method and device and electronic equipment |
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| CN105975044B (en) | 2020-03-31 |
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