CN105739875A - Mobile terminal based touch track detecting method and system - Google Patents
Mobile terminal based touch track detecting method and system Download PDFInfo
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- CN105739875A CN105739875A CN201610086983.4A CN201610086983A CN105739875A CN 105739875 A CN105739875 A CN 105739875A CN 201610086983 A CN201610086983 A CN 201610086983A CN 105739875 A CN105739875 A CN 105739875A
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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]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/0485—Scrolling or panning
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
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Abstract
The invention discloses a mobile terminal based touch track detecting method and system. The mobile terminal based touch track detecting method comprises the steps of periodically obtaining touch points and calculating a sliding acceleration speed when touch is detected; judging whether the sliding acceleration speed satisfies a preset condition; if so, judging that the sliding track is effective; and otherwise, judging that the sliding track is ineffective. According to the method disclosed by the invention, the touch points are obtained periodically and the sliding acceleration speed is calculated when the touch is detected, whether the sliding acceleration speed satisfies the preset condition is judged, the sliding track is effective if the sliding acceleration speed satisfies the preset condition, and the sliding track is ineffective if the sliding acceleration speed does not satisfy the preset condition. A new function of calculating the sliding acceleration speed is added for touch screen detection of a mobile terminal; and two purposes below are accordingly realized: 1) sliding operation which is not required by a user caused by wrong touch during the touch screen sliding operation is avoided; and 2) detection for the acceleration speed of the sliding track during the sliding operation is added to enable the detecting mode of the sliding operation to be more diversified.
Description
Technical field
The present invention relates to vehicle electric field, in particular a kind of touch track detection method based on mobile terminal and system.
Background technology
The most input of current mobile terminal is all by having touched; owing to touch screen area is relatively big, almost occupy the whole front of mobile terminal, therefore; routine use often occurs the situation of mistaken touch, though user when touch operation more carefully, also unavoidable mistaken touch with caution；
On the other hand, carrying out slide by touch screen is one of most commonly seen touch operation mode, in the prior art, slide there is no the feature of other distinction except direction when sliding, therefore, for touch screen slide, only exist the mode of operation slided to a direction at present, such as slide to the right, slide to left down；Therefore, the detection of slide is comparatively single.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is in that, drawbacks described above for prior art, there is provided a kind of touch track detection method based on mobile terminal and system, to reach two purposes: 1) slide of the non-user needs of avoiding mistaken touch to cause when touch screen slide；2) detection of the acceleration of sliding trace when increasing slide is so that the detection mode of slide is more diversified.
This invention address that the technical scheme that technical problem adopts is as follows:
A kind of touch track detection method based on mobile terminal, wherein, including:
A, when touch being detected, periodically obtains touch point and calculates slip acceleration；
B, it is judged that it is pre-conditioned whether slip acceleration meets, if YES then judge that this sliding trace is effective, otherwise this sliding trace is invalid.
The described touch track detection method based on mobile terminal, wherein, also includes before described step A:
S, pre-set sliding trace and effectively slide the condition of acceleration.
The described touch track detection method based on mobile terminal, wherein, calculates slip acceleration method as follows: slip acceleration a=(v32-v21)/T described in described step A,
Wherein v32=l32/(t3-t2) or v32=l32/T；Or v21=l21/T v21=l21/(t2-t1)；
Wherein, t1, t2, t3 is that continuous print three obtains moment of touch point and t1 early than t2, t2 early than t3；The coordinate of the touch point that (x1, y1) obtained for the t1 moment, the coordinate of the touch point that (x2, y2) obtained for the t2 moment, the coordinate of the touch point that (x3, y3) obtained for the t3 moment；L32 is the distance between touch point (x3, y3) Yu (x2, y2)；L21 is the distance between touch point (x2, y2) Yu (x1, y1)；Due to for periodically obtaining the cycle that touch point event t2-t1=t3-t2=T, T are acquisition touch point.
The described touch track detection method based on mobile terminal, wherein, described step B specifically includes: described pre-conditioned be the scope of an acceleration, for the scope that slip acceleration satisfies condition, it can be made up of multiple little scopes.
The described touch track detection method based on mobile terminal, wherein, described pre-conditioned for meeting a as slip acceleration a > 8 meter per seconds2Or a <-6 meter per second2Time think meet pre-conditioned.
A kind of touch track based on mobile terminal detects system, wherein, and including:
Detection and acquisition module, for when touch being detected, periodically obtaining touch point and calculate slip acceleration；
Judge module, is used for judging whether slip acceleration meets pre-conditioned, if YES then judge that this sliding trace is effective, otherwise this sliding trace is invalid.
The described touch track based on mobile terminal detects system, wherein, also includes:
Pre-set module, effectively slide the condition of acceleration for pre-setting sliding trace.
The described touch track based on mobile terminal detects system, and wherein, detection and acquisition module include:
Touch point acquiring unit, for periodically obtaining the coordinate of touch point；
Acceleration calculation unit, for calculating, after touch point acquisition module obtains touch point coordinate, the acceleration that once slides.
The described touch track based on mobile terminal detects system, and wherein, detection and acquisition module also include:
Computing unit, is used for controlling described calculating slip acceleration method as follows: slip acceleration a=(v32-v21)/T,
Wherein v32=l32/(t3-t2) or v32=l32/T；Or v21=l21/T v21=l21/(t2-t1)；
Wherein, t1, t2, t3 is that continuous print three obtains moment of touch point and t1 early than t2, t2 early than t3；The coordinate of the touch point that (x1, y1) obtained for the t1 moment, the coordinate of the touch point that (x2, y2) obtained for the t2 moment, the coordinate of the touch point that (x3, y3) obtained for the t3 moment；L32 is the distance between touch point (x3, y3) Yu (x2, y2)；L21 is the distance between touch point (x2, y2) Yu (x1, y1)；Due to for periodically obtaining the cycle that touch point event t2-t1=t3-t2=T, T are acquisition touch point.
The described touch track based on mobile terminal detects system, wherein, described pre-conditioned for meeting a as slip acceleration a > 8 meter per seconds2Or a <-6 meter per second2Time think meet pre-conditioned.
Touch track detection method based on mobile terminal provided by the present invention and system, described method is by when touch being detected, periodically obtaining touch point and calculate slip acceleration；Judging whether slip acceleration meets pre-conditioned, if YES then this sliding trace is effective, otherwise this sliding trace is invalid.The touch screen detection that it is mobile terminal adds the New function of slip acceleration calculation, thus reaching following two purpose: 1) slide of the non-user needs of avoiding mistaken touch to cause when touch screen slide；2) detection of the acceleration of sliding trace when increasing slide is so that the detection mode of slide is more diversified.
Accompanying drawing explanation
Fig. 1 is the present invention flow chart based on the preferred embodiment of the touch track detection method of mobile terminal.
Fig. 2 show the concrete Application Example flow chart of the touch track detection method based on mobile terminal.
Fig. 3 show the time period structural representation of the concrete Application Example of the touch track detection method based on mobile terminal.
Fig. 4 show the flow chart that the touch track based on mobile terminal detects the preferred embodiment of system.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, Fig. 1 is the present invention flow chart based on the preferred embodiment of the touch track detection method of mobile terminal.As it is shown in figure 1, a kind of touch track detection method based on mobile terminal that the embodiment of the present invention provides, including step:
S100, when touch being detected, periodically obtains touch point and calculates slip acceleration；
S200, it is judged that it is pre-conditioned whether slip acceleration meets, if YES then judge that this sliding trace is effective, otherwise this sliding trace is invalid.
Described touch track and detection method thereof, wherein, in described step S100, described calculating slip acceleration method is as follows: slip acceleration a=(v32-v21)/T,
Wherein v32=l32/(t3-t2) or v32=l32/T；Or v21=l21/T v21=l21/(t2-t1)；
Wherein, t1, t2, t3 is that continuous print three obtains moment of touch point and t1 early than t2, t2 early than t3；The coordinate of the touch point that (x1, y1) obtained for the t1 moment, the coordinate of the touch point that (x2, y2) obtained for the t2 moment, the coordinate of the touch point that (x3, y3) obtained for the t3 moment；L32 is the distance between touch point (x3, y3) Yu (x2, y2)；L21 is the distance between touch point (x2, y2) Yu (x1, y1)；Due to for periodically obtaining the cycle that touch point event t2-t1=t3-t2=T, T are acquisition touch point.
Described touch track and detection method thereof, wherein, in described step S200, described pre-conditioned be the scope of an acceleration, for the scope that slip acceleration satisfies condition, it can be made up of multiple little scopes.
Such as described pre-conditioned for meeting a as slip acceleration a > 8 meter per seconds2Or a <-6 meter per second2Think time (metre per second (m/s) square) meet pre-conditioned.
For making the purpose of the present invention, technical scheme and effect clearly, clearly, below by way of a concrete Application Example, the present invention is described in more detail:
Refer to Fig. 2, Fig. 2 and show the concrete Application Example flow chart of the touch track detection method based on mobile terminal, comprise the steps:
S1, when touch being detected, periodically obtains touch point and calculates slip acceleration；
Specifically, slip acceleration method is calculated as follows: as it is shown on figure 3, t1 in figure, t2, t3 are that continuous print three obtains moment of touch point and t1 early than t2, t2 early than t3, owing to being the cycle obtaining touch point for periodically obtaining touch point event t2-t1=t3-t2=T, T, such as cycle T is 500 milliseconds；
Giving an example, user slides the 0th second on the touchscreen, the 0.05th second, the 0.07th second, 0.15th second, the 0.18th second, the 0.19th second ..., 0.5th second, the 0.51st second ..., 1 second ... measure touch point coordinate, then this calculating only need to obtain the 0th second, 0.5th second, 1 second, 1.5 seconds, 2 seconds ..., touch point coordinate；
The coordinate of the touch point that (if x1, y1) obtained for the t1 moment, the coordinate of the touch point that (x2, y2) obtained for the t2 moment, the coordinate of the touch point that (x3, y3) obtained for the t3 moment；Then the average speed in the t1 moment to t2 moment is v21=l21/(t2-t1) or v21=l21/T；In formula, l21 is the distance between touch point (x2, y2) Yu (x1, y1)；
In the embodiment of the present invention, the speed of the center time point (in Fig. 3 t12) in t1 moment to t2 moment is equal to the average speed in t2 moment with the t1 moment, therefore the track sliding speed in t12 moment is v21.The center time point t23 moment track sliding speed in like manner obtaining t2 moment to the t3 moment is v32=l32/(t3-t2) or v32=l32/T, wherein, l32 is the distance between touch point (x3, y3) Yu (x2, y2).
Thus obtaining track slip acceleration a=(v32-v21)/(t23-t12) i.e. a=(v32-v21)/T according to v32, v21, T (t23-t12 is also for T)；Therefore here it is considered that t12 moment to the t23 moment is that even acceleration is slided and acceleration is a;In order to simply, when Practical Calculation current time slip acceleration, it is necessary to use the touch point coordinate of current time, and the touch point coordinate in the moment of current time distance T, and the touch point coordinate in the moment with current time distance 2T.Owing to there is acceleration or deceleration when being likely to and slide, as v32>v21 time a for just representing acceleration, as v32,<during v21, a is that negative indication slows down.
S2, it is judged that it is pre-conditioned whether slip acceleration meets, if YES then this sliding trace is effective, otherwise this sliding trace is invalid.
Specifically, pre-conditioned is the scope of an acceleration, and for the scope that slip acceleration satisfies condition, it can be made up of multiple little scopes.Such as: when slip acceleration a meets a > 8 meter per seconds2(metre per second (m/s) square) or a <-6 meter per second2Think time (metre per second (m/s) square) meet pre-conditioned.
Therefore, the said method of the present invention, by when touch being detected, periodically obtaining touch point and calculate slip acceleration；Judging whether slip acceleration meets pre-conditioned, if YES then this sliding trace is effective, otherwise this sliding trace is invalid.The touch screen detection that it is mobile terminal adds the New function of slip acceleration calculation, thus reaching following two purpose: 1) slide of the non-user needs of avoiding mistaken touch to cause when touch screen slide；2) detection of the acceleration of sliding trace when increasing slide is so that the detection mode of slide is more diversified.
Based on said method embodiment, present invention also offers a kind of touch track based on mobile terminal and detect the preferred embodiment of system, as shown in Figure 4, described system includes:
Detection and acquisition module 410, for when touch being detected, periodically obtaining touch point and calculate slip acceleration；As detailed above.
Judge module 420, is used for judging whether slip acceleration meets pre-conditioned, if YES then judge that this sliding trace is effective, otherwise this sliding trace is invalid；As detailed above.
Pre-set module 430, effectively slide the condition of acceleration for pre-setting sliding trace；As detailed above.
The described touch track based on mobile terminal detects system, and wherein, detection and acquisition module include:
Touch point acquiring unit, for periodically obtaining the coordinate of touch point；As detailed above.
Acceleration calculation unit, for calculating, after touch point acquisition module obtains touch point coordinate, the acceleration that once slides；As detailed above.
The described touch track based on mobile terminal detects system, and wherein, detection and acquisition module also include:
Computing unit, is used for controlling described calculating slip acceleration method as follows: slip acceleration a=(v32-v21)/T,
Wherein v32=l32/(t3-t2) or v32=l32/T；Or v21=l21/T v21=l21/(t2-t1)；
Wherein, t1, t2, t3 is that continuous print three obtains moment of touch point and t1 early than t2, t2 early than t3；The coordinate of the touch point that (x1, y1) obtained for the t1 moment, the coordinate of the touch point that (x2, y2) obtained for the t2 moment, the coordinate of the touch point that (x3, y3) obtained for the t3 moment；L32 is the distance between touch point (x3, y3) Yu (x2, y2)；L21 is the distance between touch point (x2, y2) Yu (x1, y1)；Due to for periodically obtaining the cycle that touch point event t2-t1=t3-t2=T, T are acquisition touch point；As detailed above.
In sum, the touch track detection method based on mobile terminal provided by the present invention and system, described method is by when touch being detected, periodically obtaining touch point and also calculate slip acceleration；Judging whether slip acceleration meets pre-conditioned, if YES then this sliding trace is effective, otherwise this sliding trace is invalid.The touch screen detection that it is mobile terminal adds the New function of slip acceleration calculation, thus reaching following two purpose: 1) slide of the non-user needs of avoiding mistaken touch to cause when touch screen slide；2) detection of the acceleration of sliding trace when increasing slide is so that the detection mode of slide is more diversified.
Certainly, one of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can be by computer program and carry out instruction related hardware (such as processor, controller etc.) complete, described program can be stored in the storage medium of an embodied on computer readable, and this program can include upon execution such as the flow process of above-mentioned each side method embodiment.Wherein said storage medium can be memorizer, magnetic disc, CD etc..
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, it is possible to improved according to the above description or convert, all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. the touch track detection method based on mobile terminal, it is characterised in that including:
A, when touch being detected, periodically obtains touch point and calculates slip acceleration；
B, it is judged that it is pre-conditioned whether slip acceleration meets, if YES then judge that this sliding trace is effective, otherwise this sliding trace is invalid.
2. according to claim 1 based on the touch track detection method of mobile terminal, it is characterised in that also include before described step A:
S, pre-set sliding trace and effectively slide the condition of acceleration.
3. according to claim 1 based on the touch track detection method of mobile terminal, it is characterised in that calculate slip acceleration method described in described step A as follows: slip acceleration a=(v32-v21)/T,
Wherein v32=l32/(t3-t2) or v32=l32/T；Or v21=l21/T v21=l21/(t2-t1)；
Wherein, t1, t2, t3 is that continuous print three obtains moment of touch point and t1 early than t2, t2 early than t3；The coordinate of the touch point that (x1, y1) obtained for the t1 moment, the coordinate of the touch point that (x2, y2) obtained for the t2 moment, the coordinate of the touch point that (x3, y3) obtained for the t3 moment；L32 is the distance between touch point (x3, y3) Yu (x2, y2)；L21 is the distance between touch point (x2, y2) Yu (x1, y1)；Due to for periodically obtaining the cycle that touch point event t2-t1=t3-t2=T, T are acquisition touch point.
4. according to claim 1 based on the touch track detection method of mobile terminal, it is characterised in that in described step B, described pre-conditioned be the scope of an acceleration, for the scope that slip acceleration satisfies condition, it can be made up of multiple little scopes.
5. according to claim 1 based on the touch track detection method of mobile terminal, it is characterised in that described pre-conditioned for meeting a as slip acceleration a > 8 meter per seconds2Or a <-6 meter per second2Time think meet pre-conditioned.
6. the touch track based on mobile terminal detects system, it is characterised in that including:
Detection and acquisition module, for when touch being detected, periodically obtaining touch point and calculate slip acceleration；
Judge module, is used for judging whether slip acceleration meets pre-conditioned, if YES then judge that this sliding trace is effective, otherwise this sliding trace is invalid.
7. detect system based on the touch track of mobile terminal according to claim 6, it is characterised in that also include:
Pre-set module, effectively slide the condition of acceleration for pre-setting sliding trace.
8. detect system based on the touch track of mobile terminal according to claim 6, it is characterised in that detection and acquisition module include:
Touch point acquiring unit, for periodically obtaining the coordinate of touch point；
Acceleration calculation unit, for calculating, after touch point acquisition module obtains touch point coordinate, the acceleration that once slides.
9. detect system based on the touch track of mobile terminal according to claim 6, it is characterised in that detection and acquisition module also include:
Computing unit, is used for controlling described calculating slip acceleration method as follows: slip acceleration a=(v32-v21)/T,
Wherein v32=l32/(t3-t2) or v32=l32/T；Or v21=l21/T v21=l21/(t2-t1)；
Wherein, t1, t2, t3 is that continuous print three obtains moment of touch point and t1 early than t2, t2 early than t3；The coordinate of the touch point that (x1, y1) obtained for the t1 moment, the coordinate of the touch point that (x2, y2) obtained for the t2 moment, the coordinate of the touch point that (x3, y3) obtained for the t3 moment；L32 is the distance between touch point (x3, y3) Yu (x2, y2)；L21 is the distance between touch point (x2, y2) Yu (x1, y1)；Due to for periodically obtaining the cycle that touch point event t2-t1=t3-t2=T, T are acquisition touch point.
10. detect system based on the touch track of mobile terminal according to claim 6, it is characterised in that described pre-conditioned for meeting a as slip acceleration a > 8 meter per seconds2Or a <-6 meter per second2Time think meet pre-conditioned.
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Application publication date: 20160706 |