CN106547381A - A kind of method and apparatus of mobile terminal false-touch prevention - Google Patents
A kind of method and apparatus of mobile terminal false-touch prevention Download PDFInfo
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- CN106547381A CN106547381A CN201510607973.6A CN201510607973A CN106547381A CN 106547381 A CN106547381 A CN 106547381A CN 201510607973 A CN201510607973 A CN 201510607973A CN 106547381 A CN106547381 A CN 106547381A
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Abstract
The invention discloses a kind of method of mobile terminal false-touch prevention, including：Obtain the graph outline eigenvalue that error touch control operation is produced, the graph outline eigenvalue calculation false touch discriminant value that the graph outline eigenvalue that the error touch control operation according to obtaining is produced is produced with the normal touch control operation for prestoring, when the false touch discriminant value is more than false touch threshold value set in advance, then the signal that mobile terminal triggering shielding error touch control is operated.The present invention further simultaneously discloses a kind of device of mobile terminal false-touch prevention.
Description
Technical field
The present invention relates to touch-control management technique field, more particularly to a kind of method and dress of mobile terminal false-touch prevention
Put.
Background technology
With becoming increasingly popular for the mobile terminal with touch screen such as smart mobile phone, panel computer, user can
These mobile terminals are manipulated more easily so as to more hommization, for example：User can be by gently existing
Slide to answer or refuse incoming call on touch screen.
But, while touch screen technology brings great advantage to the user, the sensitive perceptibility of touch screen also holds
Easily cause maloperation.Due to the difference using scene, use habit, can there is the situation of many false touches, example
Such as, when user uses mobile phone, may wipe the shelter on screen with palm；Or using notebook electricity
During brain input information, palm side imprudence touches Trackpad；And much there is the situation for holding mobile phone
Deng；These error touch control operations may all make mobile terminal produce the response of mistake, leverage user's
Use and experience.
Existing touch screen false-touch prevention technology has strong with the light at the distance of touch screen, touch screen by comprehensive object
Degree, touch screen and horizontal plane angle, determine whether that false touch is operated；According to touch-control terminal position and correlation away from
False touch situation is judged from waiting；By pre-building finger touch Area Model, according to current touch-control area, end
Hold operational mode to prevent the various ways such as false touch operation.Such as, face and handss are judged according to range sensor
The distance of machine screen, if distance is less than certain value, then it is assumed that state of the user in phone is taken, system
Automatically into false-touch prevention pattern, screen display etc. is closed.
However, existing various false-touch prevention technologies are only applicable to specific scene, such as the mistake of screen edge
Touch operation, for take during phone false touch operation, for some gestures false touch operate etc., therefore, this
The limitation of a little false-touch prevention technology applications is very big, there is technical sophistication, the shortcomings of False Rate is high.
The content of the invention
In view of this, the embodiment of the present invention is expected to provide a kind of method and apparatus of mobile terminal false-touch prevention, can
To be effectively prevented from the false touch operation that user is produced when using mobile terminal, the use to mobile terminal is lifted
And experience, so as to reach the effect of false-touch prevention.
To reach above-mentioned purpose, what the technical scheme of the embodiment of the present invention was realized in：
The embodiment of the present invention provides a kind of method of mobile terminal false-touch prevention, and methods described includes：
Obtain the graph outline eigenvalue that error touch control operation is produced；
Graph outline eigenvalue and the normal touch-control for prestoring that the error touch control operation according to obtaining is produced
The graph outline eigenvalue calculation false touch discriminant value that operation is produced；
When the false touch discriminant value is more than false touch threshold value set in advance, then mobile terminal triggering shields error touch control
The signal of operation.
In such scheme, before the graph outline eigenvalue for obtaining error touch control operation generation, the side
Method also includes：Touch-control skeleton pattern is set up, touch parameter is extracted.
In such scheme, the false touch discriminant value be the graph outline eigenvalue that produces of error touch control operation with
The ratio of the graph outline eigenvalue that the normal touch control operation is produced.
In such scheme, the touch parameter includes：The central point of the closed figure produced according to touch control operation
Intersect the maximum and minima in the line segment for obtaining with closed figure profile.
The embodiment of the present invention provides a kind of device of mobile terminal false-touch prevention, and described device includes：
Acquisition module, for obtaining the graph outline eigenvalue that error touch control operation is produced；
Computing module, for the graph outline eigenvalue that produced according to the error touch control operation for obtaining with it is advance
The graph outline eigenvalue that the normal touch control operation of storage is produced, calculates false touch discriminant value；
Judge module, for judging the false touch discriminant value whether more than false touch threshold value set in advance；
Trigger module, for judging that the false touch discriminant value is more than mistake set in advance in the judge module
During tactile threshold value, the signal of triggering shielding error touch control operation.
In such scheme, the acquisition module is additionally operable to obtain the figure wheel that error touch control operation is produced described
Before wide eigenvalue, touch-control skeleton pattern is set up, extract touch parameter.
In such scheme, the false touch discriminant value be the graph outline eigenvalue that produces of error touch control operation with
The ratio of the graph outline eigenvalue that the normal touch control operation is produced.
In such scheme, the touch parameter includes：The central point of the closed figure produced according to touch control operation
Intersect the maximum and minima in the line segment for obtaining with closed figure profile.
The method and apparatus of the mobile terminal false-touch prevention provided by the embodiment of the present invention, according to the error touch control for obtaining
The graph outline eigenvalue that the graph outline eigenvalue that operation is produced is produced with the normal touch control operation for prestoring
False touch discriminant value is calculated, when false touch discriminant value is more than false touch threshold value set in advance, then mobile terminal triggering is shielded
The signal of error touch control operation is covered, the effect of false-touch prevention is reached；The method is applied to all mobile terminal false-touch preventions
Scene, technology is realized simple, and False Rate is low, so as to the operation of convenient user, lifts user couple
Mobile terminal using and experiences.
Description of the drawings
Fig. 1 is the schematic diagram of touch area contact pattern in the present invention；
Fig. 2 is that the method for mobile terminal false-touch prevention in the present invention realizes schematic flow sheet；
Fig. 3 is the composition structural representation of the device of mobile terminal false-touch prevention in the present invention.
Specific embodiment
The characteristics of in order to more fully hereinafter understand the embodiment of the present invention and technology contents, below in conjunction with the accompanying drawings
Realization to the embodiment of the present invention is described in detail, appended accompanying drawing purposes of discussion only for reference, is not used for
Limit the present invention.
In embodiments of the present invention, the mobile terminal, the handss that can including but not limited to possess Touch Screen
The mobile devices such as machine, flat board, palm PC, wherein, the Touch Screen, also referred to as touch screen can be received
Collection touch operation of the user on or near these mobile devices, for example, user is referred to using finger or stylus etc.
Operation of the shape thing on Touch Screen or near Touch Screen, and it is corresponding according to driven by program set in advance
Attachment means.
Fig. 1 is the schematic diagram of touch area contact pattern in the embodiment of the present invention, and the touch area 1 includes
The contact pattern profile 3 that the contact pattern profile 2 and error touch control operation that normal touch control operation is produced is produced.Its
In, R11 is the long side of the contact pattern profile 2 that normal touch control operation is produced, and R12 is normal touch control operation
The minor face of the contact pattern profile 2 of generation, R21 are the length that error touch control operates the contact pattern profile 3 for producing
Side, R22 are the minor face that error touch control operates the contact pattern profile 3 for producing.
Here, when there is normal touch control operation, error touch control operation, specifically how to produce corresponding hookup
Shape profile belongs to prior art, will not be described here.Wherein, it is for mobile terminal, described mobile whole
End is internal to have that to distinguish current operation be normal touch control operation, or the program of error touch control operation.
Here, due to basic touch control operation be all using finger pieces such as finger or stylus completing, so,
During the normal touch control operation of generation, with the profile of the contact surface of touch screen can be regarded as circle, similar round or
It is a kind of figure of similar rule；And when there is error touch control operation, can send out with the profile of the contact surface of touch screen
It is raw to change, become very irregular.
Here, when there is normal touch control operation, the system in mobile terminal can obtain the finger such as finger or stylus
The contact pattern of shape thing and touch screen, on graph outline every a certain distance (such as △ L) equably
Sampled point is set, according to the coordinate of sampled point, the central point of closed figure is calculated；Cross center strokes and dots some
Bar straight line, being intersected in the line segment for obtaining with closed figure profile, is calculated and is compared in all line segments most
Big value and minima, it is assumed that maximum is the long side R11 of the contact pattern profile 2 that normal touch control operation is produced,
Assume the minor face R12 that minima is the contact pattern profile 2 that normal touch control operation is produced.
Here, the central point for specifically how calculating closed figure belongs to prior art, will not be described here.
When there is error touch control operation, the long side R21 of the contact pattern profile 3 that error touch control operation is produced is obtained
With the method for minor face R22, the long side R11 with the above-mentioned contact pattern profile 2 for obtaining normal touch control operation generation
It is identical with the method for minor face R12, repeat no more here.
As shown in Fig. 2 in the embodiment of the present invention method of mobile terminal false-touch prevention to realize that flow process includes following
Step：
Step 201：Obtain the graph outline eigenvalue that error touch control operation is produced；
Here, before the graph outline eigenvalue for obtaining error touch control operation generation, in addition it is also necessary to set up and touch
Control skeleton pattern, extracts touch parameter；Wherein, the touch parameter includes：Produced according to touch control operation
The central point of closed figure intersects maximum and minima in the line segment for obtaining with closed figure profile, such as：
R11 and R12 or R21 and R22 shown in Fig. 1.
Here, belong to prior art for how setting up touch-control skeleton pattern, will not be described here；And set up
The touch-control skeleton pattern of two kinds of operations is in order to obtain the corresponding graph outline of both operations, in order to number
Method graph outline is carried out it is abstract, and then it is convenient calculate touch parameter R11 and R12 or R21 and
R22。
According to the touch parameter R11 and R12 or R21 and R22 that extract, calculate normal touch control operation and produce
Graph outline eigenvalue R=R11/R12, or calculate error touch control operation produce graph outline eigenvalue
Rm=R21/R22.
Wherein, the graph outline eigenvalue R that normal touch control operation is produced will in an effective range, but
It is that this effective range can vary with each individual, when there is error touch control operation, produced by error touch control is operated
Graph outline eigenvalue can then exceed this effective range.
Step 202：The error touch control according to obtaining operates the graph outline eigenvalue for producing and prestores
The graph outline eigenvalue calculation false touch discriminant value that produces of normal touch control operation；
Here, the false touch discriminant value be the graph outline eigenvalue that produces of error touch control operation with it is described just
The ratio of the graph outline eigenvalue of often touch control operation generation, it is assumed that false touch discriminant value is T, then T=Rm/R.
Step 203：Whether mobile terminal judges the false touch discriminant value more than false touch threshold value set in advance,
If the false touch discriminant value is more than false touch threshold value set in advance, execution step 204 otherwise, is performed
Step 205；
Step 204：The signal of the mobile terminal triggering shielding error touch control operation, terminates currently processed flow process；
Step 205：The mobile terminal triggers the signal of normal process.
Here, suppose that false touch threshold value set in advance is A, then work as T>During A, it is judged to that error touch control is operated,
Now, the signal of the mobile terminal triggering shielding error touch control operation；Work as T<During A, the mobile terminal is touched
Send out the signal of normal process.
Wherein, the false touch threshold value A can be worth to by the statistics of false touch discriminant value big data sample, such as,
Mobile terminal acquires the false touch discriminant value T under 100,000 kinds of error touch control operational circumstances of 10,000 users, T value
The rule of normal distribution is presented according to Principle of Statistics；And the false touch threshold value A typically takes mean, is approximately equal to
False touch discriminant value T under most of error touch control operational circumstances of most of user.
The false touch threshold value A can be finely adjusted by user, judged with the false touch for adapting to different user, therefore, by mistake
There is an adjustable scope in tactile threshold value A.
Further described in detail to how to judge that error touch control operation is done with a specific embodiment below.
In embodiments of the present invention, it is assumed that according to the result of big data sample statistics value, there is normal touch-control behaviour
As when the graph outline eigenvalue R that produces be 1.2cm, i.e. normal touch-control when the graphics shape that produces be rule
Figure.
Assume that false touch threshold value A is 1.25, when mobile terminal being touched as palmar side side (thumb side)
Screen, occur error touch control operate when, formed irregular figure profile, it is assumed that the wheel of the irregular figure
Wide long side R21 is 4.2cm, and the minor face R22 of the profile of the irregular figure is 2.5cm, then now produce
Raw graph outline eigenvalue Rm=R21/R22=1.68, false touch discriminant value T=Rm/R=1.4.Due to now
False touch discriminant value T>False touch threshold value A, then judge that this time operation is operated for error touch control.
To realize said method, the embodiment of the present invention additionally provides a kind of device of mobile terminal false-touch prevention, such as
Shown in Fig. 3, the device includes acquisition module 31, computing module 32, judge module 33, trigger module 34；
Wherein,
Acquisition module 31, for obtaining the graph outline eigenvalue that error touch control operation is produced；
Computing module 32, for the graph outline eigenvalue that produced according to the error touch control operation for obtaining with it is pre-
The graph outline eigenvalue that the normal touch control operation for first storing is produced, calculates false touch discriminant value；
Judge module 33, for judging the false touch discriminant value whether more than false touch threshold value set in advance；
Trigger module 34, is set in advance for judging that the false touch discriminant value is more than in the judge module 33
During fixed false touch threshold value, the signal of triggering shielding error touch control operation.
Further, the acquisition module 31, is additionally operable to obtain the figure wheel that error touch control operation is produced described
Before wide eigenvalue, touch-control skeleton pattern is set up, extract touch parameter.
Here, the false touch discriminant value be the graph outline eigenvalue that produces of error touch control operation with it is described just
The ratio of the graph outline eigenvalue of often touch control operation generation；The touch parameter includes：According to touch control operation
The central point of the closed figure of generation intersects maximum and minimum in the line segment for obtaining with closed figure profile
Value.
In actual applications, the acquisition module 31, computing module 32, judge module 33, trigger module
34 can be by positioned at central processing unit (CPU, the Central possessed on the mobile terminal of Touch Screen
Processing Unit), microprocessor (MPU, Micro Processor Unit), digital signal processor (DSP,
Digital Signal Processor), or field programmable gate array (FPGA, Field Programmable Gate
) etc. Array realize.
The graph outline eigenvalue that the embodiment of the present invention is produced according to the error touch control operation for obtaining with prestore
The graph outline eigenvalue calculation false touch discriminant value that normal touch control operation is produced, false touch discriminant value is more than setting in advance
During fixed false touch threshold value, then the signal of mobile terminal triggering shielding error touch control operation, reaches the effect of false-touch prevention；
The method is applied to the scene of all mobile terminal false-touch preventions, and technology is realized simply, and False Rate is low, so as to
The operation of convenient user, lifts user's using and experiencing to mobile terminal.
The above, only presently preferred embodiments of the present invention is not intended to limit the protection model of the present invention
Enclose, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc. all should
It is included within protection scope of the present invention.
Claims (8)
1. a kind of method of mobile terminal false-touch prevention, it is characterised in that methods described includes：
Obtain the graph outline eigenvalue that error touch control operation is produced；
Graph outline eigenvalue and the normal touch-control for prestoring that the error touch control operation according to obtaining is produced
The graph outline eigenvalue calculation false touch discriminant value that operation is produced；
When the false touch discriminant value is more than false touch threshold value set in advance, then mobile terminal triggering shields error touch control
The signal of operation.
2. method according to claim 1, it is characterised in that produce in the acquisition error touch control operation
Graph outline eigenvalue before, methods described also includes：Touch-control skeleton pattern is set up, touch parameter is extracted.
3. method according to claim 1 and 2, it is characterised in that the false touch discriminant value is described
The graph outline eigenvalue that the graph outline eigenvalue that error touch control operation is produced is produced with the normal touch control operation
Ratio.
4. method according to claim 2, it is characterised in that the touch parameter includes：According to tactile
The central point of the closed figure that control operation is produced intersect with closed figure profile maximum in the line segment for obtaining and
Minima.
5. a kind of device of mobile terminal false-touch prevention, it is characterised in that described device includes：
Acquisition module, for obtaining the graph outline eigenvalue that error touch control operation is produced；
Computing module, for the graph outline eigenvalue that produced according to the error touch control operation for obtaining with it is advance
The graph outline eigenvalue that the normal touch control operation of storage is produced, calculates false touch discriminant value；
Judge module, for judging the false touch discriminant value whether more than false touch threshold value set in advance；
Trigger module, for judging that the false touch discriminant value is more than mistake set in advance in the judge module
During tactile threshold value, the signal of triggering shielding error touch control operation.
6. device according to claim 5, it is characterised in that the acquisition module, is additionally operable in institute
State before obtaining the graph outline eigenvalue that error touch control operation is produced, set up touch-control skeleton pattern, extract touch-control
Parameter.
7. the device according to claim 5 or 6, it is characterised in that the false touch discriminant value is described
The graph outline eigenvalue that the graph outline eigenvalue that error touch control operation is produced is produced with the normal touch control operation
Ratio.
8. device according to claim 6, it is characterised in that the touch parameter includes：According to tactile
The central point of the closed figure that control operation is produced intersect with closed figure profile maximum in the line segment for obtaining and
Minima.
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| CN201510607973.6A CN106547381B (en) | 2015-09-22 | 2015-09-22 | A kind of method and apparatus of mobile terminal false-touch prevention |
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| CN201510607973.6A CN106547381B (en) | 2015-09-22 | 2015-09-22 | A kind of method and apparatus of mobile terminal false-touch prevention |
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| CN109426711A (en) * | 2017-08-25 | 2019-03-05 | 北京小米移动软件有限公司 | False-touch prevention operating method, device and electronic equipment |
| CN111475080A (en) * | 2020-03-31 | 2020-07-31 | 维沃移动通信有限公司 | Misoperation prompting method and electronic equipment |
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| CN106547381B (en) | 2019-08-02 |
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