CN109324706A - A kind of method and apparatus of touch-control identification - Google Patents
A kind of method and apparatus of touch-control identification Download PDFInfo
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- CN109324706A CN109324706A CN201710639399.1A CN201710639399A CN109324706A CN 109324706 A CN109324706 A CN 109324706A CN 201710639399 A CN201710639399 A CN 201710639399A CN 109324706 A CN109324706 A CN 109324706A
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- Prior art keywords
- touch
- point position
- finger touch
- finger
- region
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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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
-
- 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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Image Input (AREA)
- Collating Specific Patterns (AREA)
Abstract
The invention discloses a kind of method and apparatus of touch-control identification, design has the product of mobile terminal of touch screen.Its method includes: to obtain report point position, and report point position refers to the position that position when terminal system contacts user and touch screen is mapped in built-in coordinate system；Obtain finger touch region；The report point position and the finger touch region are compared and are judged, determines trigger point position.The present invention can be improved touch-control accuracy of identification, avoid influence of the point phenomenon to user experience of " drifting about " and disorderly report.
Description
Technical field
The present invention relates to the product for having touch screen terminal, in particular to a kind of method and apparatus of touch-control identification.
Technical background
With the continuous development of technology, the fashionable whole world of tablet computer, smart phone, it is most portable on the market at present
Electronic product all uses capacitive touch screen.Capacitive touch screen is wear-resistant, the service life is long, the advantages that being quick on the draw.But due to
Capacitor changes with temperature, the difference of humidity, often generates drift phenomenon, and can not calibrate in time, leads to the knowledge of touch point
Not not enough precisely.Especially when handset touch panel is by having moisture in extraneous interference or screen, touch screen production will lead to
Raw drift, disorderly reports point, causes user to be unable to reach the response results of requirement when clicking screen, finally influences user experience.
Currently existing technology is mainly started with from capacitance plate, the performance of capacitance plate is improved, to promote discrimination.Currently with
The improvement of capacitance plate, improve discrimination, but can not prevent completely drift and disorderly report point phenomenon generation.
Therefore, the present invention provides a kind of method of touch recognition, is able to solve when occurring drifting about or disorderly reporting point phenomenon,
It still is able to accurately identify the operation of user.
Summary of the invention
The present invention provides a kind of touch-control and knows method for distinguishing and dress primarily to solve problems of the prior art
It sets.
According to one embodiment of present invention, a kind of touch-control knowledge method for distinguishing is provided, touch screen is applied to, comprising:
Report point position is obtained, the report point position refers to position when terminal system contacts user with touch screen built-in
The position being mapped in coordinate system；
Obtain finger touch region；
The report point position and the finger touch region are compared and are judged, determines trigger point position.
Further, the acquisition finger touch region, comprising:
Acquire the data set of fingerprint positions；
Two valid data positions are determined according to finger print data position collection；
A region to be mapped is constructed according to two valid data positions；
According to the resolution ratio of the resolution ratio of touch screen and fingerprint, by the area maps to be mapped at the finger touch area
Domain.
It is further, described that two valid data positions are determined according to finger print data position collection, comprising:
Described two valid data positions are two angle steel joints that can include the minimum rectangle of all finger print data positions
Position.
Further, described to match the report point position and the finger touch regional scope, it is tied according to matching
Fruit determines trigger point position, comprising:
If thering is report point position to appear in finger touch region, using the report point position in finger touch as triggering
Point position
Further, described to match the report point position and the finger touch regional scope, it is tied according to matching
Fruit determines trigger point position, further includes:
If a position is not reported to appear in finger touch region, the center position in the finger touch region is made
For trigger point position.
According to another embodiment of the present invention, a kind of device of touch-control identification is mentioned, comprising:
Point module is reported, for determining report point position depending on the user's operation；
Finger touch regions module, for calculating finger touch region and finger touch regional center point position；
Screening module, for that some positions and the finger touch regional scope will be reported to match, and according to matching result
Determine trigger point position.
Further, the finger touch regions module, comprising:
Finger print acquisition module, for acquiring the data set of fingerprint positions；
Valid data position module determines two valid data positions for the data set according to fingerprint positions；
Regions module to be mapped, for constructing a region to be mapped according to two valid data positions；
Map unit, for according to the resolution ratio of touch screen and the resolution ratio of fingerprint, by the area maps to be mapped at
The finger touch region.
Further, the screening module is also used to calculate finger touch regional center point position.
Through the invention, a finger touch region is constructed, report point position is compared with finger touch region, is judged
It is whether report point position is correct.When report point position is correct, by report point position position in response；When without correct report point position
When appearance, using finger touch regional center point position as trigger point position.Due to finger touch region overlay user with
The whole region of display screen touching, therefore, accurate trigger point position certainly exists in the region.Due to finger touch area surface
Product is little, meanwhile, accurate trigger point position is replaced with finger touch regional center point position.Mistake is further reduced in this way
Difference.Improve the effect of user's operation experience.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
A kind of Fig. 1 method flow diagram of touch-control identification provided in an embodiment of the present invention
Fig. 2 embodiment of the present invention, which provides, obtains finger touch area flow figure
The structure drawing of device of Fig. 3 touch-control identification provided in an embodiment of the present invention
Fig. 4 embodiment of the present invention provides the finger touch regions module structural schematic diagram
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Fig. 1 shows the embodiment of the present invention one.
In example 1, Fig. 1 is a kind of method flow diagram for improving touch screen discrimination provided in an embodiment of the present invention,
It is described it is a kind of improve touch screen discrimination method include:
Step 1-1 obtains report point position；
The report point position refers to that position when terminal system contacts user with touch screen maps in built-in coordinate system
At position.When user operates terminal (mobile phone, plate, handheld device, the equipment etc. with touch screen), user's
Finger be not directly program is directly operated, but finger touching touch screen after, touch screen module is touched according to finger
The position of touch screen is mapped to report point position in built-in coordinate system, and system is according to report point position to opposite position in display screen
Program operated.When touch screen surface gets wet, or receives other factors influence and generate drift, the operation to user
It will appear the situation that mistake occurs in corresponding position.Here the report point position obtained is there are three types of situation: 1. for user a certain behaviour
Make the report point position for occurring single；2, there are multiple report point positions for a certain operation of user；3. for a certain behaviour of user
Make, report point position does not occur, that is to say, that terminal does not react the operation of user.
Step 1-2 obtains finger touch region；
Finger touch region is to be connect one with touch screen comprising user's finger according to mobile phone resolution ratio and fingerprint resolution ratio
The region that one regional scope in the face of touching is mapped to.Operation for user, accurate trigger point position are bound to fall
In the finger touch region.
The report point position and the finger touch region are compared and are judged by step 1-3, determine triggering point
It sets.
When touch screen correctly reports point, report point position centainly falls in the finger touch region.Therefore, when for certain of user
One operation, when thering is report point position to fall in the finger touch region, it is believed that this falls in the report point position in finger touch domain
For accurate trigger point position, at this time using the report point position fallen in the finger touch region as trigger point position.
When there is no report point position to appear in finger touch region, then using the center in the finger touch region as triggering
Point position.Here report point position and finger touch region are all located in identical referential.
In the present embodiment, determine whether terminal report point position is accurate by the finger touch region of building.When system pair
When user is without response or without correct response, using finger touch regional center position as correct trigger point position.The program
It avoids terminal and a little or disorderly reports influence of the point to user experience due to reporting more, improve touch screen discrimination.
Fig. 2 shows embodiments two
The present embodiment is on the basis of embodiment 1, further to be retouched to the acquisition finger touch region
It states.The present embodiment mainly acquires finger print data position collection, and concentrates in the finger print data position, selects two valid data
Position, and a rectangular area is constructed according to described two valid data positions, finally differentiated according to mobile phone resolution ratio and fingerprint
The rectangular area is mapped to the finger touch region by rate.Referring to fig. 2, the specific steps are as follows:
Step 2-1 acquires the data set of fingerprint positions.
When user's finger and touch screen contact, fingerprint can be generated.Fingerprint positions described here be exactly user's finger with
The contact surface of touch screen.The contact surface is made of many a points.Therefore, just by the data set of the information architecture of these points
It is the data set of the fingerprint positions.
Step 2-2 determines two valid data positions according to finger print data position collection.
By constructing a virtual coordinates axis, the origin of reference axis be can be set on four angles of terminal screen.This two
The selection of a valid data position, specifically, constructing two valid data positions, coordinate point in finger print data concentration
It Wei (X1, Y1) and (X2, Y2).Wherein:
The X1 is the abscissa that the point nearest apart from Y-axis is concentrated in the finger print data position；
The Y1 is the ordinate that the point nearest apart from X-axis is concentrated in the finger print data position；
The X2 is the abscissa that the point farthest apart from Y-axis is concentrated in the finger print data position；
The Y2 is the ordinate that the point farthest apart from X-axis is concentrated in the finger print data position.
Optionally, two active positions here may be (X1, Y2) and (X2, Y1).
Step 2-3 constructs a region to be mapped according to two valid data positions.
Region to be mapped described here is the region constituted with two active positions determined in step 2-2.The region
Mathematical formulae be expressed as [(X1, Y1), (X2, Y2)] (when two active position coordinates be (X1, Y1) and (X2, Y2) when) or
[(X1, Y2), (X2, Y1)] (when two active position coordinates are (X1, Y2) and (X2, Y1)), the meaning that the region indicates
Serve as reasons (X1, Y1), (X2, Y2), the rectangle that (X1, Y2) and (X2, Y1) four points are constituted.
Optionally, region to be mapped described here can be using the line between two significance bit Data Positions as diameter
One circle.
The regions to be mapped are mapped to institute according to the resolution ratio of the resolution ratio of touch screen and fingerprint by step 2-4
State finger touch region.
Mobile phone resolution ratio can be indicated with A*B, mean that horizontal pixel is A, longitudinal pixel is the mobile phone screen resolution ratio of B.
Fingerprint resolution ratio can be indicated with M*N.Wherein mobile phone resolution ratio and fingerprint resolution ratio are determined by equipment performance.The resolution of fingerprint
Rate is obtained from fingerprint chip, and chip determines, fingerprint resolution ratio also can determine whether.Finger touch region
[(a1, b1), (a2, b2)]=[(x1*A/M, y1*B/N), (x2*A/M, y2*B/N)].Wherein a1=x1*A/M；
B1=y1*B/N；A2=x2*A/M；B2=y2*B/N.Here in the meaning and step 2-3 that [(a1, b1), (a2, b2)] is indicated
[(X1, Y1), (X2, the Y2)] is indicated as meaning.
In this embodiment it is that user fingerprints are contacted with touch screen using handset touch panel resolution ratio and fingerprint resolution ratio
Face be mapped to finger touch region.Purpose is to confirm position of the finger on fingerprint to be for convenience mapped to finger in screen
On position.The difference between Resolutions is sufficiently considered in this way, so that it is more accurate using finger touch region,
Help to improve the accurate trigger point position of identification.And then the discrimination of touch screen is improved,
Fig. 3 shows embodiment three.
Fig. 3 is a kind of structure drawing of device of touching identification provided in an embodiment of the present invention, a kind of dress of touching identification
It sets.Include:
Point module is reported, for determining report point position depending on the user's operation；
Finger touch regions module, for calculating finger touch region and finger touch regional center point position；
Screening module determines trigger point position for that some positions and the finger touch region will be reported to compare.
In the present embodiment, determine whether terminal report point position is accurate by the finger touch region of building.When system pair
When user is without response or without correct response, using finger touch regional center position as correct trigger point position.The program
It avoids terminal and a little or disorderly reports influence of the point to user experience due to reporting more, improve touch screen discrimination.
Fig. 4 shows example IV
The embodiment is that finger touch regions module is further described on the basis of embodiment three.Such as Fig. 4
Shown, finger touch regions module includes:
Finger print acquisition module, for acquiring the data set of finger touch position；
Valid data position module, for determining two valid data positions according to the data set of finger touch position；
Map unit, for according to the resolution ratio of touch screen and the resolution ratio of fingerprint, by described two valid data positions
The area maps of building are at the finger touch region；
Center point calculation module, for calculating finger touch regional center point position.
In this embodiment it is that user fingerprints are contacted with touch screen using handset touch panel resolution ratio and fingerprint resolution ratio
Face be mapped to finger touch region.The difference between Resolutions is sufficiently considered in this way, so that touching using fingerprint
It is more accurate to touch region, helps to improve the accurate trigger point position of identification.And then improve the discrimination of touch screen.
Claims (8)
1. a kind of touch-control knows method for distinguishing, it is applied to touch screen characterized by comprising
Report point position is obtained, report point position refers to position when terminal system contacts user and touch screen in built-in coordinate
The position being mapped in system；
Obtain finger touch region；
The report point position and the finger touch regional scope are matched, trigger point position is determined according to matching result.
2. a kind of touch-control according to claim 1 knows method for distinguishing, which is characterized in that the acquisition finger touch region,
Include:
Acquire the data set of fingerprint positions；
Two active position data are determined according to the fingerprint positions data set；
A region to be mapped is constructed according to two active position data；
According to the resolution ratio of the resolution ratio of touch screen and fingerprint, by the area maps to be mapped at the finger touch region.
3. a kind of touch-control according to claim 2 knows method for distinguishing, which is characterized in that described according to the fingerprint positions number
Two active position data are determined according to collecting, comprising:
Described two active position data are can to include two angle steel joint positions of the minimum rectangle of all fingerprint positions data.
4. a kind of touch-control knows method for distinguishing according to claim 1, which is characterized in that described by the report point position and described
Finger touch regional scope is matched, and determines trigger point position according to matching result, comprising:
If thering is report point position to appear in finger touch region, using the report point position in finger touch as triggering point
It sets.
5. a kind of touch-control knows method for distinguishing according to claim 1, which is characterized in that described by the report point position and described
Finger touch regional scope is matched, and determines trigger point position according to matching result, comprising:
If a position is not reported to appear in finger touch region, using the center position in the finger touch region as touching
Hair point position.
6. a kind of device of touch-control identification characterized by comprising
Point module is reported, for determining report point position depending on the user's operation；
Finger touch regions module, for calculating finger touch region and finger touch regional center point position；
Screening module is determined for that some positions and the finger touch regional scope will be reported to match, and according to matching result
Trigger point position.
7. a kind of device of touch-control identification according to claim 6, which is characterized in that the finger touch regions module,
Include:
Finger print acquisition module, for acquiring the data set of fingerprint positions；
Valid data position module determines two valid data positions for the data set according to fingerprint positions；
Regions module to be mapped, for constructing a region to be mapped according to two valid data positions；
Map unit, for according to the resolution ratio of touch screen and the resolution ratio of fingerprint, by the area maps to be mapped at described
Finger touch region.
8. a kind of device of touch-control identification according to claim 6, which is characterized in that further include:
The screening module is also used to calculate finger touch regional center point position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710639399.1A CN109324706A (en) | 2017-07-31 | 2017-07-31 | A kind of method and apparatus of touch-control identification |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710639399.1A CN109324706A (en) | 2017-07-31 | 2017-07-31 | A kind of method and apparatus of touch-control identification |
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| CN109324706A true CN109324706A (en) | 2019-02-12 |
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| CN201710639399.1A Pending CN109324706A (en) | 2017-07-31 | 2017-07-31 | A kind of method and apparatus of touch-control identification |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2945097A1 (en) * | 2014-05-12 | 2015-11-18 | Samsung Electronics Co., Ltd | Fingerprint recognition method and electronic device performing the method |
| CN105468200A (en) * | 2015-12-22 | 2016-04-06 | 周奇 | Method and device for fingerprint touch control and fingerprint equipment |
| CN105844262A (en) * | 2016-04-25 | 2016-08-10 | 广东欧珀移动通信有限公司 | Method and device for determination of touch position through combination of fingerprint in wet hand operation mode |
| CN106959779A (en) * | 2017-03-27 | 2017-07-18 | 努比亚技术有限公司 | A kind of apparatus and method for reducing touch screen wrong report point |
-
2017
- 2017-07-31 CN CN201710639399.1A patent/CN109324706A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2945097A1 (en) * | 2014-05-12 | 2015-11-18 | Samsung Electronics Co., Ltd | Fingerprint recognition method and electronic device performing the method |
| CN105468200A (en) * | 2015-12-22 | 2016-04-06 | 周奇 | Method and device for fingerprint touch control and fingerprint equipment |
| CN105844262A (en) * | 2016-04-25 | 2016-08-10 | 广东欧珀移动通信有限公司 | Method and device for determination of touch position through combination of fingerprint in wet hand operation mode |
| CN106959779A (en) * | 2017-03-27 | 2017-07-18 | 努比亚技术有限公司 | A kind of apparatus and method for reducing touch screen wrong report point |
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Application publication date: 20190212 |