CN110658945A - Angle and position acquisition driving system and method of multi-point touch equipment - Google Patents
Angle and position acquisition driving system and method of multi-point touch equipment Download PDFInfo
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- CN110658945A CN110658945A CN201910731461.9A CN201910731461A CN110658945A CN 110658945 A CN110658945 A CN 110658945A CN 201910731461 A CN201910731461 A CN 201910731461A CN 110658945 A CN110658945 A CN 110658945A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000003550 marker Substances 0.000 claims abstract description 51
- 230000006870 function Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010801 machine learning Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012706 support-vector machine Methods 0.000 description 1
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/24—Classification techniques
- G06F18/241—Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches
- G06F18/2411—Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches based on the proximity to a decision surface, e.g. support vector machines
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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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/048—Indexing scheme relating to G06F3/048
- G06F2203/04808—Several contacts: gestures triggering a specific function, e.g. scrolling, zooming, right-click, when the user establishes several contacts with the surface simultaneously; e.g. using several fingers or a combination of fingers and pen
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Abstract
The invention provides an angle and position acquisition driving system and method of a multi-point touch device, wherein the system at least comprises the following components: the method comprises the steps of calculating the current Marker angle through a contact coordinate used by a Marker; calculating the current Marker coordinate according to the contact coordinate used by the current Marker; and adopting difference compensation and a stack median to enable an output result to be smoother and more stable. The invention adopts a plurality of sets of model processing technologies, so that the current Marker coordinate and angle can be obtained with high availability under each Marker version.
Description
Technical Field
The invention relates to the technical field of multi-point touch, in particular to an angle and position acquisition driving system and method of multi-point touch equipment.
Background
Currently, only a finger recognition tool exists in the market, and a coordinate and angle recognition drive aiming at multi-point touch equipment is not provided.
Disclosure of Invention
The invention aims to provide an angle and position acquisition driving system and method of multi-point touch equipment.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: an angle and position acquisition driving system of a multi-touch device, comprising: the Marker angle acquisition module is used for calculating the current Marker angle according to the contact coordinates used by the Marker; the Marker point coordinate recognition processing module is used for calculating the current Marker coordinate according to the contact coordinate used by the current Marker; and the smooth output module adopts difference compensation and a stack median to enable an output result to be more smooth and stable.
The angle and position acquisition driving system of the multi-point touch device of the invention further comprises: and the Marker version control module is used for processing simultaneous use of multiple generations of markers with different core functions.
The angle and position acquisition driving system of the multi-point touch device of the invention further comprises: and the gyroscope processing module is used for connecting a gyroscope carried by the Marker to obtain an angle under the highest precision.
The angle and position acquisition driving method of the multi-point touch equipment at least comprises the following steps: calculating the current Marker angle according to the contact coordinates used by the Marker; calculating the current Marker coordinate according to the contact coordinate used by the current Marker; and adopting difference compensation and a stack median to enable an output result to be smoother and more stable.
The angle and position obtaining driving method of the multi-point touch equipment provided by the invention further comprises the following steps: and processing simultaneous use of multiple generations of markers with different core functions.
The angle and position obtaining driving method of the multi-point touch equipment provided by the invention further comprises the following steps: and connecting a gyroscope carried by the Marker to obtain an angle under the highest precision.
Compared with the prior art, the invention has the advantages that:
1. and (4) binding touch screen channels, and converting corresponding vertex coordinates of different channels.
2. Three points determine the center of the circumscribed circle, and two points guess the center of the circumscribed circle.
3. Processing angle anti-shaking stack data, filtering abnormal coordinates and filtering abnormal angles.
4. And (4) supporting by a multi-version Marker.
5. The support of the Bluetooth gyroscope and the support of the automatic Bluetooth connection function.
6. And (3) supporting a machine learning SVM algorithm.
7. The method comprises the steps of supporting distinguishing and identifying of the markers with different contact points, distinguishing and identifying the markers with the same contact points, and identifying the Marker angles of the congruent triangle contact points.
The invention adopts a plurality of sets of model processing technologies, so that the current Marker coordinate and angle can be obtained with high availability under each Marker version.
Drawings
Fig. 1 is a flowchart of an angle and position obtaining driving method of a multi-touch device according to an embodiment of the present invention.
Detailed Description
The technical solution adopted by the present invention will be further explained with reference to the schematic drawings.
Example 1: the utility model provides a multiple spot touch-control equipment's angle and position acquire actuating system includes Marker angle acquisition module, Marker point coordinate discernment processing module, Marker version control module, gyroscope processing module, smooth output module, wherein:
and the Marker version control module is used for processing simultaneous use of multiple generations of markers with different core functions.
The Marker angle acquisition module is used for calculating the current Marker angle according to the contact coordinates used by the Marker.
And the Marker point coordinate identification processing module is used for calculating the current Marker coordinate according to the contact point coordinate used by the current Marker.
And the gyroscope processing module can be connected with a gyroscope of the Marker through Bluetooth to obtain an angle under the highest precision.
The smooth output module adopts difference compensation and a stack median value to enable an output result to be more smooth and stable.
Example 2: the present embodiment provides a driving method for obtaining angles and positions of a multi-touch device, referring to fig. 1, the method includes the following steps:
s1, reading coordinates of all points on a current screen.
And S2, acquiring the version number of the currently required matching Marker.
And S3, determining the number of the current Marker points and the distance between specific points according to the version number.
And S4, reading whether the cached channel data exists before.
And S5, if no cached channel data exists, traversing all the point data through a multilateral congruent method and a support vector machine algorithm in machine learning, searching matched point coordinates, and updating the channel cache.
And S6, if the cached channel data exist, reading the coordinates of the corresponding points of the channels.
And S7, calculating the center of the circumscribed circle through the point coordinate to serve as the Marker point coordinate.
And S8, if the gyroscope exists, connecting the gyroscope through the Bluetooth to acquire the angle data of the gyroscope.
And S9, if no gyroscope is arranged, calculating angle data of the corresponding vertex by taking the coordinate of any point as the vertex.
S1, smoothing the data and performing corresponding interpolation compensation.
And S11, outputting specific Marker coordinates and angles.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. An angle and position acquisition driving system of a multi-point touch device, comprising:
the Marker angle acquisition module is used for calculating the current Marker angle according to the contact coordinates used by the Marker;
the Marker point coordinate recognition processing module is used for calculating the current Marker coordinate according to the contact coordinate used by the current Marker;
and the smooth output module adopts difference compensation and a stack median to enable an output result to be more smooth and stable.
2. The system of claim 1, further comprising:
and the Marker version control module is used for processing simultaneous use of multiple generations of markers with different core functions.
3. The system of claim 1, further comprising: and the gyroscope processing module is used for connecting a gyroscope carried by the Marker to obtain an angle under the highest precision.
4. An angle and position acquisition driving method for a multi-point touch device is characterized by at least comprising the following steps:
calculating the current Marker angle according to the contact coordinates used by the Marker;
calculating the current Marker coordinate according to the contact coordinate used by the current Marker;
and adopting difference compensation and a stack median to enable an output result to be smoother and more stable.
5. The method for driving angle and position acquisition of a multi-touch device according to claim 4, further comprising: and processing simultaneous use of multiple generations of markers with different core functions.
6. The method for driving angle and position acquisition of a multi-touch device according to claim 4, further comprising: and connecting a gyroscope carried by the Marker to obtain an angle under the highest precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731461.9A CN110658945A (en) | 2019-08-08 | 2019-08-08 | Angle and position acquisition driving system and method of multi-point touch equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731461.9A CN110658945A (en) | 2019-08-08 | 2019-08-08 | Angle and position acquisition driving system and method of multi-point touch equipment |
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| CN110658945A true CN110658945A (en) | 2020-01-07 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201523345A (en) * | 2013-12-13 | 2015-06-16 | Zeroplus Technology Co Ltd | Method for pointing direction identification system controlling movement of pointing mark |
| CN107992227A (en) * | 2017-11-30 | 2018-05-04 | 武汉琉明光电科技有限公司 | The method, apparatus and system of peripheral hardware positioning are carried out on the touchscreen |
| US20190065027A1 (en) * | 2017-08-31 | 2019-02-28 | Apple Inc. | Systems, Methods, and Graphical User Interfaces for Interacting with Augmented and Virtual Reality Environments |
| CN109445599A (en) * | 2018-11-13 | 2019-03-08 | 宁波视睿迪光电有限公司 | Interaction pen detection method and 3D interactive system |
| CN109828695A (en) * | 2018-12-29 | 2019-05-31 | 合肥金诺数码科技股份有限公司 | A kind of large-screen interactive system based on laser radar positioning |
-
2019
- 2019-08-08 CN CN201910731461.9A patent/CN110658945A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201523345A (en) * | 2013-12-13 | 2015-06-16 | Zeroplus Technology Co Ltd | Method for pointing direction identification system controlling movement of pointing mark |
| US20190065027A1 (en) * | 2017-08-31 | 2019-02-28 | Apple Inc. | Systems, Methods, and Graphical User Interfaces for Interacting with Augmented and Virtual Reality Environments |
| CN107992227A (en) * | 2017-11-30 | 2018-05-04 | 武汉琉明光电科技有限公司 | The method, apparatus and system of peripheral hardware positioning are carried out on the touchscreen |
| CN109445599A (en) * | 2018-11-13 | 2019-03-08 | 宁波视睿迪光电有限公司 | Interaction pen detection method and 3D interactive system |
| CN109828695A (en) * | 2018-12-29 | 2019-05-31 | 合肥金诺数码科技股份有限公司 | A kind of large-screen interactive system based on laser radar positioning |
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