CN117289808A - Capacitive miniature cursor positioning method and system - Google Patents
Capacitive miniature cursor positioning method and system Download PDFInfo
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- CN117289808A CN117289808A CN202311229415.1A CN202311229415A CN117289808A CN 117289808 A CN117289808 A CN 117289808A CN 202311229415 A CN202311229415 A CN 202311229415A CN 117289808 A CN117289808 A CN 117289808A
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- 230000008859 change Effects 0.000 claims abstract description 141
- 238000004458 analytical method Methods 0.000 claims abstract description 67
- 230000005684 electric field Effects 0.000 claims abstract description 36
- 230000009191 jumping Effects 0.000 claims description 19
- 238000012549 training Methods 0.000 claims description 14
- 238000007781 pre-processing Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000007405 data analysis Methods 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
- G06F3/03546—Pens or stylus using a rotatable ball at the tip as position detecting member
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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
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
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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]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
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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
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- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
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- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention relates to the technical field of touch control positioning, in particular to a capacitive micro-cursor positioning method and a capacitive micro-cursor positioning system, wherein the capacitive micro-cursor positioning method comprises the steps of obtaining finger position information of a user and obtaining electric field change information based on the finger position information of the user; acquiring continuous capacitance change data according to the electric field change information, and determining touch point position information based on the continuous capacitance change data; generating a touch point movement track based on the continuous capacitance change data and the touch point position information; inputting the motion track of the touch point into a preset track analysis model to obtain coordinates of a plurality of touch points, and generating corresponding control instructions based on the coordinates of the plurality of touch points. The cursor positioning method has the effects of improving the cursor positioning accuracy of the page turning pen and the remote controller, reducing the operation delay and improving the practicability of the page turning pen and the remote controller.
Description
Technical Field
The invention relates to the technical field of touch control positioning, in particular to a capacitive miniature cursor positioning method and system.
Background
Along with the rapid development of science and technology, the page turning pen and the remote controller are widely applied in life, are generally used in meeting rooms, and are convenient for users to display files. Most of the existing page-turning pens and remote controllers only have key functions, in order to improve the practicability of the page-turning pens, a mouse function is added on the page-turning pens, and the page-turning pens are used for opening and closing files, controlling various functions of a computer and the like, so that great convenience is brought to users.
At present, in order to have a mouse control function, the existing page turning pen can be realized by adopting a gyroscope, but the problem of inaccurate positioning caused by adoption of the gyroscope is that the operation is delayed, and a user needs to adapt for a long time to better control, so that a certain improvement space exists.
Disclosure of Invention
In order to improve cursor positioning accuracy of a page turning pen and a remote controller, reduce operation delay and improve practicality of the page turning pen and the remote controller, the application provides a capacitive miniature cursor positioning method and a capacitive miniature cursor positioning system.
The first object of the present invention is achieved by the following technical solutions:
a capacitive micro-cursor positioning method, comprising the steps of:
acquiring user finger position information, and acquiring electric field change information based on the user finger position information;
acquiring continuous capacitance change data according to the electric field change information, and determining touch point position information based on the continuous capacitance change data;
generating a touch point movement track based on the continuous capacitance change data and the touch point position information;
inputting the motion track of the touch points into a preset track analysis model to obtain coordinates of a plurality of touch points, and generating corresponding control instructions based on the coordinates of the touch points.
By adopting the technical proposal, when the page turning pen and the remote controller are used for controlling, the touch information of the page turning pen and the remote controller is obtained by a user, the electric field change information of the touch parts of the page turning pen and the remote controller is obtained according to the touch information of the user, when the electric fields of the page turning pen and the touch parts of the remote controller are changed, the capacitance change data is measured, the touch point position information of the touch parts of the page turning pen and the remote controller by the user is determined by the capacitance change data, the corresponding touch point movement track is generated according to the capacitance change data and the touch point position information, the touch point movement track refers to the touch track of the page turning pen and the touch parts of the remote controller by the user, thereby being convenient for analyzing the specific touch point coordinate condition, inputting the obtained movement track of the touch point into a preset track analysis model, carrying out track analysis on the touch track of the touch control part of the page turning pen and the remote controller by using the track analysis model, obtaining a plurality of corresponding touch point coordinates on the movement track, determining specific control instructions of the page turning pen and the remote controller used by the user according to the touch point coordinates, such as gesture control of moving a cursor, opening or closing a file, zooming and the like, and determining the corresponding cursor positioning of the page turning pen and the remote controller used by the user by utilizing the change of capacitance in the whole cursor positioning process, so that the specific control instructions can be rapidly and accurately determined, the cursor positioning accuracy of the page turning pen and the remote controller is improved, the operation delay is reduced, and the practicability of the page turning pen and the remote controller is improved.
The present application may be further configured in a preferred example to: after the continuous capacitance change data is obtained according to the electric field change information, the capacitive micro-cursor positioning method further comprises the following steps:
performing data preprocessing on the capacitance change data to obtain processed capacitance change data;
and extracting data jumping point information from the processed capacitance change data, and acquiring capacitance change data characteristics based on the data jumping point information.
Through adopting the technical scheme, the acquired capacitance change data can contain other types of data, the capacitance change data is subjected to data preprocessing, such as filtering processing, redundant data in the capacitance change data are removed by adopting a filtering algorithm, noise in the capacitance change data is removed, the capacitance change data is smoothed, interference of other data is eliminated, further accuracy of touch point analysis can be improved, data jumping point information is extracted by utilizing the processed capacitance change data, starting points and ending time points of the data jumping points are acquired, all the data jumping points are used as capacitance change data characteristics, the capacitance change data are conveniently subjected to data analysis, and touch point information is more conveniently obtained.
The present application may be further configured in a preferred example to: the method for acquiring continuous capacitance change data according to the electric field change information and determining touch point location information based on the continuous capacitance change data specifically comprises the following steps:
acquiring capacitance characteristics based on the capacitance change data, inputting the capacitance characteristics into a preset characteristic analysis model, and acquiring characteristic analysis results;
and acquiring the number of the touch points and the coordinate positions according to the characteristic analysis result, and taking the number of the touch points and the coordinate positions as touch point position information.
By adopting the technical scheme, the acquired capacitance change data is subjected to feature extraction to obtain capacitance features, the obtained capacitance features are input into a preset feature analysis model, the feature analysis model is utilized to perform feature analysis and interpretation on the capacitance features to obtain the corresponding touch point number and XY coordinate positions, touch point position information is obtained, and the function of analyzing the touch point position information by utilizing the capacitance change data is realized.
The present application may be further configured in a preferred example to: the generating a touch point motion track based on the continuous capacitance change data and the touch point information specifically includes:
acquiring touch point direction information based on the continuous capacitance change data, wherein the touch point direction information comprises the speed and direction of a touch point;
and taking the touch point direction information and the touch point position information as training data sets, and inputting the training data sets into a preset track generation model to obtain a touch point movement track.
By adopting the technical scheme, the continuous capacitance change data is analyzed to obtain the direction information of the touch point, the direction information of the touch point and the information of the touch point are used as a training data set of the motion trail, the direction information of the touch point and the information of the touch point are input into the trail generation model to generate the motion trail of the touch point, and then the control of the computer is realized through the page turning pen and the remote controller.
The present application may be further configured in a preferred example to: before the motion track of the touch point is input into a preset track analysis model to obtain a plurality of touch point coordinates and a corresponding control instruction is generated based on the touch point coordinates, the capacitive micro cursor positioning method further comprises the following steps:
acquiring historical motion trail data, and acquiring corresponding control type information based on the historical motion trail data;
and training the preliminary model based on the control type information to obtain a track analysis model.
By adopting the technical scheme, the control types corresponding to all the motion trajectories are analyzed by acquiring the historical motion trajectory data, the obtained control type information is used for training the preliminary model to obtain the trajectory analysis model, and therefore, the trajectory analysis of the motion trajectories of the used touch points is facilitated, and the corresponding specific control instructions are conveniently identified.
The present application may be further configured in a preferred example to: inputting the motion trail of the touch point into a preset trail analysis model to obtain a plurality of touch point coordinates, and generating corresponding control instructions based on the touch point coordinates, wherein the method specifically comprises the following steps:
acquiring continuous touch points based on the touch point movement track, and acquiring a plurality of touch point coordinates according to the continuous touch points;
and determining corresponding control instructions according to the coordinates of the touch points.
By adopting the technical scheme, continuous touch points are obtained by decomposing the motion trail of the touch points, the touch points are mapped onto a screen coordinate system to obtain a plurality of corresponding touch point coordinates, the touch point coordinates are integrated together according to the touch point coordinates, and the corresponding control instructions are obtained through analysis, so that the function of analyzing the specific control instructions of a user using the page turning pen according to the motion trail of the touch points is realized.
The second object of the present invention is achieved by the following technical solutions:
a capacitive miniature cursor positioning device, the capacitive miniature cursor positioning device comprising:
the electric field analysis module is used for acquiring the position information of the finger of the user and acquiring electric field change information based on the position information of the finger of the user;
the touch point information acquisition module is used for acquiring continuous capacitance change data according to the electric field change information and determining touch point position information based on the continuous capacitance change data;
the touch point track generation module is used for generating a touch point motion track based on the continuous capacitance change data and touch point position information;
the motion track analysis module is used for inputting the motion track of the touch points into a preset track analysis model to obtain coordinates of a plurality of touch points, and generating corresponding control instructions based on the coordinates of the touch points.
By adopting the technical proposal, when the page turning pen and the remote controller are used for controlling, the touch information of the page turning pen and the remote controller is obtained by a user, the electric field change information of the touch parts of the page turning pen and the remote controller is obtained according to the touch information of the user, when the electric fields of the page turning pen and the touch parts of the remote controller are changed, the capacitance change data is measured, the touch point position information of the touch parts of the page turning pen and the remote controller by the user is determined by the capacitance change data, the corresponding touch point movement track is generated according to the capacitance change data and the touch point position information, the touch point movement track refers to the touch track of the page turning pen and the touch parts of the remote controller by the user, thereby being convenient for analyzing the specific touch point coordinate condition, inputting the obtained movement track of the touch point into a preset track analysis model, carrying out track analysis on the touch track of the touch control part of the page turning pen and the remote controller by using the track analysis model, obtaining a plurality of corresponding touch point coordinates on the movement track, determining specific control instructions of the page turning pen and the remote controller used by the user according to the touch point coordinates, such as gesture control of moving a cursor, opening or closing a file, zooming and the like, and determining the corresponding cursor positioning of the page turning pen and the remote controller used by the user by utilizing the change of capacitance in the whole cursor positioning process, so that the specific control instructions can be rapidly and accurately determined, the cursor positioning accuracy of the page turning pen and the remote controller is improved, the operation delay is reduced, and the practicability of the page turning pen and the remote controller is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the page turning pen and the remote controller are used for controlling, touch information of the page turning pen and the remote controller is obtained by a user, electric field change information of touch parts of the page turning pen and the remote controller is obtained according to the touch information of the user, capacitance change data are measured when electric fields of the touch parts of the page turning pen and the remote controller change, touch point information of the touch parts of the page turning pen and the remote controller by the user is determined by the capacitance change data, corresponding touch point movement tracks are generated according to the capacitance change data and the touch point information, the touch point movement tracks refer to touch tracks of the page turning pen and the touch parts of the remote controller by the user, the touch point movement tracks are conveniently analyzed and input into a preset track analysis model, track analysis is carried out on the touch tracks of the page turning pen and the touch parts of the remote controller by the user by utilizing the track analysis model, a plurality of touch point coordinates corresponding to the movement tracks, specific control instructions of the page turning pen and the remote controller by the user are determined by the touch point coordinates, such as moving a cursor, opening or closing a file, the touch point is accurately positioned by the cursor, and the cursor is accurately positioned by the touch pen, and the touch control of the user is accurately positioned when the touch pen is positioned by the touch pen;
2. the acquired capacitance change data can contain other types of data, the capacitance change data is subjected to data preprocessing, such as filtering processing, redundant data in the capacitance change data are removed by adopting a filtering algorithm, noise in the capacitance change data is removed, the capacitance change data is smoothed, interference of other data is eliminated, further accuracy of analysis of touch point positions can be improved, data jumping point information is extracted by utilizing the processed capacitance change data, starting points and ending time points of the data jumping points are acquired, all the data jumping points are used as capacitance change data characteristics, the capacitance change data are conveniently subjected to data analysis, and touch point position information is more conveniently obtained;
3. extracting features of the acquired capacitance change data to obtain capacitance features, inputting the obtained capacitance features into a preset feature analysis model, carrying out feature analysis and explanation on the capacitance features by using the feature analysis model to obtain the corresponding touch point number and XY coordinate positions, and obtaining touch point position information, so as to realize the function of analyzing the touch point position information by using the capacitance change data;
4. by acquiring historical motion trail data, analyzing the corresponding control types of all motion trails, training the preliminary model by the obtained control type information to obtain a trail analysis model, and further facilitating trail analysis of the motion trails of the used touch points, so that corresponding specific control instructions can be conveniently identified.
Drawings
FIG. 1 is a flow chart of a capacitive micro-cursor positioning method according to an embodiment of the present application;
FIG. 2 is a flow chart of another implementation of a capacitive micro-cursor positioning method according to an embodiment of the present application;
FIG. 3 is a flowchart showing an implementation of step S20 in a capacitive micro-cursor positioning method according to an embodiment of the present application;
FIG. 4 is a flowchart showing an implementation of step S30 in a capacitive micro-cursor positioning method according to an embodiment of the present application;
FIG. 5 is a flow chart of another implementation of a capacitive micro-cursor positioning method according to an embodiment of the present application;
FIG. 6 is a flowchart showing an implementation of step S40 in a capacitive micro-cursor positioning method according to an embodiment of the present application;
FIG. 7 is a schematic block diagram of a capacitive micro-scale cursor positioning system in accordance with an embodiment of the present application;
FIG. 8 is a schematic diagram of a page turning pen product in an embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
In one embodiment, as shown in fig. 1, the application discloses a capacitive micro cursor positioning method, which specifically includes the following steps:
s10: and acquiring user finger position information, and acquiring electric field change information based on the user finger position information.
Specifically, when the page turning pen is used for controlling, touch information of a user on the page turning pen is obtained, and electric field change information of a touch part of the page turning pen is obtained according to the touch information of the user.
S20: and acquiring continuous capacitance change data according to the electric field change information, and determining the position information of the touch point based on the continuous capacitance change data.
Specifically, when the electric field of the touch control part of the page turning pen changes, capacitance change data are measured, and touch point position information of a user on the touch control part of the page turning pen is determined by using the capacitance change data.
S30: and generating a touch point movement track based on the continuous capacitance change data and the touch point position information.
Specifically, the capacitance change data and the touch point position information generate corresponding touch point motion tracks, wherein the touch point motion tracks refer to touch tracks of a user on a touch part of the page turning pen, so that specific touch point coordinate conditions are conveniently analyzed.
S40: inputting the motion track of the touch points into a preset track analysis model to obtain coordinates of a plurality of touch points, and generating corresponding control instructions based on the coordinates of the touch points.
Specifically, the motion track of the touch point is input into a preset track analysis model, the track analysis model is utilized to carry out track analysis on the touch track of the touch control part of the page turning pen by a user, a plurality of corresponding touch point coordinates on the motion track are obtained, specific operation instructions of the page turning pen used by the user, such as cursor movement, file opening or closing, zooming and the like, are determined according to the plurality of touch point coordinates, and in the whole cursor positioning process, the corresponding cursor positioning of the page turning pen used by the user is determined by utilizing the change of the capacitance, so that the specific operation instructions can be rapidly and accurately determined, the cursor positioning accuracy of the page turning pen is improved, the operation delay is reduced, and the practicability of the page turning pen is improved.
In this embodiment, when the page-turning pen and the remote controller are used for controlling, the touch information of the page-turning pen and the remote controller by the user is obtained, the electric field change information of the touch parts of the page-turning pen and the remote controller is obtained according to the touch information of the user, when the electric fields of the touch parts of the page-turning pen and the remote controller change, capacitance change data are measured, touch point position information of the touch parts of the page-turning pen and the remote controller by the user is determined by using the capacitance change data, corresponding touch point movement tracks are generated according to the capacitance change data and the touch point position information, the touch point movement tracks of the page-turning pen and the remote controller by the user are the touch track of the touch parts by the user, the touch point movement tracks are conveniently analyzed, the touch track analysis model is used for carrying out track analysis on the touch track of the page-turning pen and the touch track of the touch part by the user, a plurality of touch point coordinates corresponding to the touch track analysis model on the touch track of the touch parts of the page-turning pen and the remote controller are obtained, and the touch point coordinates of the touch point corresponding to the touch point coordinates of the touch point of the touch part of the touch pen and the touch controller by the touch point of the touch part by the user.
In an embodiment, as shown in fig. 2, after step S20, that is, after acquiring continuous capacitance change data according to the electric field change information, the capacitive micro-scale cursor positioning method further includes:
s201: and carrying out data preprocessing on the capacitance change data to obtain processed capacitance change data.
S202: and extracting data jumping point information from the processed capacitance change data, and acquiring capacitance change data characteristics based on the data jumping point information.
Specifically, the obtained capacitance change data contains other types of data, the capacitance change data is subjected to data preprocessing, such as filtering processing, redundant data in the capacitance change data are removed by adopting a filtering algorithm, noise in the capacitance change data is removed, the capacitance change data is smoothed, interference of other data is eliminated, further accuracy of touch point analysis can be improved, data jumping point information is extracted by utilizing the processed capacitance change data, starting points and ending time points of the data jumping points are obtained, all the data jumping points are used as capacitance change data characteristics, the capacitance change data are conveniently subjected to data analysis, and touch point information is more conveniently obtained.
In an embodiment, as shown in fig. 3, in step S20, continuous capacitance change data is obtained according to the electric field change information, and touch point location information is determined based on the continuous capacitance change data, which specifically includes:
s21: and acquiring capacitance characteristics based on the capacitance change data, and inputting the capacitance characteristics into a preset characteristic analysis model to acquire characteristic analysis results.
S22: and acquiring the number of the touch points and the coordinate positions according to the characteristic analysis result, and taking the number of the touch points and the coordinate positions as touch point position information.
Specifically, the obtained capacitance change data is subjected to feature extraction to obtain capacitance features, the obtained capacitance features are input into a preset feature analysis model, the feature analysis model is used for carrying out feature analysis and interpretation on the capacitance features to obtain the corresponding touch point number and XY coordinate positions, touch point position information is obtained, and the function of analyzing the touch point position information by using the capacitance change data is realized.
In an embodiment, as shown in fig. 4, in step S30, a touch point motion track is generated based on the continuous capacitance change data and the touch point information, which specifically includes:
s31: and acquiring touch point direction information based on the continuous capacitance change data, wherein the touch point direction information comprises the speed and direction of the touch point.
S32: and taking the touch point direction information and the touch point position information as training data sets, and inputting the training data sets into a preset track generation model to obtain a touch point movement track.
Specifically, continuous capacitance change data are analyzed to obtain direction information of touch points, the direction information of the touch points and the information of the touch points are used as a training data set of a motion track, the direction information of the touch points and the information of the touch points are input into a track generation model to generate a motion track of the touch points, and further, the corresponding motion track of the touch points can be generated according to the touch control of a user on the page turning pen, so that specific operation generated by the user for controlling the page turning pen is conveniently analyzed.
In one embodiment, as shown in fig. 5, before step S40, the capacitive micro cursor positioning method further includes:
s401: and acquiring historical motion trail data, and acquiring corresponding control type information based on the historical motion trail data.
S402: and training the preliminary model based on the control type information to obtain a track analysis model.
Specifically, historical motion trail data are obtained, operation types corresponding to all motion trails are analyzed, the obtained operation type information is used for training the preliminary model, a trail analysis model is obtained, and therefore trail analysis is conveniently carried out on the motion trails of the used touch points, and accordingly corresponding specific operation instructions are conveniently identified.
In an embodiment, as shown in fig. 6, in step S40, the motion track of the touch point is input into a preset track analysis model to obtain a plurality of coordinates of the touch point, and a corresponding control instruction is generated based on the plurality of coordinates of the touch point, which specifically includes:
s41: and acquiring continuous touch points based on the touch point movement track, and acquiring a plurality of touch point coordinates according to the continuous touch points.
S42: and determining corresponding control instructions according to the coordinates of the touch points.
Specifically, the motion trail of the touch point is decomposed to obtain continuous touch points, the touch points are mapped to a screen coordinate system to obtain a plurality of corresponding touch point coordinates, the touch point coordinates are integrated together according to the touch point coordinates, and the touch point coordinates are analyzed to obtain corresponding control instructions, so that the function of analyzing specific control instructions of a user using the page turning pen according to the motion trail of the touch point is realized.
It should be understood that the sequence number of each step in the foregoing embodiment does not mean that the execution sequence of each process should be determined by the function and the internal logic of each process, and should not limit the implementation process of the embodiment of the present application in any way.
In one embodiment, a capacitive micro-cursor positioning system is provided, where the capacitive micro-cursor positioning device corresponds to the capacitive micro-cursor positioning method in the above embodiment. As shown in fig. 7, the capacitive micro-cursor positioning system includes an electric field analysis module, a touch point information acquisition module, a touch point track generation module, and a motion track analysis module. The functional modules are described in detail as follows:
the electric field analysis module is used for acquiring the position information of the finger of the user and acquiring electric field change information based on the position information of the finger of the user;
the touch point information acquisition module is used for acquiring continuous capacitance change data according to the electric field change information and determining touch point position information based on the continuous capacitance change data;
the touch point track generation module is used for generating a touch point motion track based on the continuous capacitance change data and touch point position information;
the motion track analysis module is used for inputting the motion track of the touch points into a preset track analysis model to obtain coordinates of a plurality of touch points, and generating corresponding control instructions based on the coordinates of the touch points.
Optionally, the capacitive micro-cursor positioning system further comprises:
the data preprocessing module is used for carrying out data preprocessing on the capacitance change data to obtain processed capacitance change data;
and the characteristic extraction module is used for extracting data jumping point information from the processed capacitance change data and acquiring capacitance change data characteristics based on the data jumping point information.
For specific limitations of the capacitive micro-cursor positioning system, reference may be made to the above limitations of the capacitive micro-cursor positioning method, and no further description is given here. The various modules in the capacitive micro-cursor positioning device described above may be implemented in whole or in part by software, hardware, or a combination thereof.
In one embodiment, as shown in fig. 8, a page turning pen device is provided, implementing the following steps:
acquiring user touch information, and acquiring electric field change information based on the user touch information;
acquiring continuous capacitance change data according to the electric field change information, and determining touch point position information based on the continuous capacitance change data;
generating a touch point motion track based on the continuous capacitance change data and the touch point information;
inputting the movement track of the touch point into a preset track analysis model to obtain a plurality of touch point coordinates, and generating corresponding control instructions based on the touch point coordinates.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.
Claims (9)
1. The capacitive miniature cursor positioning method is applied to page turning pen equipment and is characterized by comprising the following steps:
acquiring user finger position information, and acquiring electric field change information based on the user finger position information;
acquiring continuous capacitance change data according to the electric field change information, and determining touch point position information based on the continuous capacitance change data;
generating a touch point movement track based on the continuous capacitance change data and the touch point position information;
inputting the motion track of the touch points into a preset track analysis model to obtain coordinates of a plurality of touch points, and generating corresponding control instructions based on the coordinates of the touch points.
2. The capacitive micro-cursor positioning method of claim 1, wherein after said acquisition of continuous capacitance change data from said electric field change information, said capacitive micro-cursor positioning method further comprises:
performing data preprocessing on the capacitance change data to obtain processed capacitance change data;
and extracting data jumping point information from the processed capacitance change data, and acquiring capacitance change data characteristics based on the data jumping point information.
3. The method for positioning a capacitive micro cursor according to claim 1, wherein the acquiring continuous capacitance change data according to the electric field change information, and determining touch point position information based on the continuous capacitance change data specifically comprises:
acquiring capacitance characteristics based on the capacitance change data, inputting the capacitance characteristics into a preset characteristic analysis model, and acquiring characteristic analysis results;
and acquiring the number of the touch points and the coordinate positions according to the characteristic analysis result, and taking the number of the touch points and the coordinate positions as touch point position information.
4. The method for positioning a capacitive micro-cursor according to claim 1, wherein the generating a touch point motion track based on the continuous capacitance change data and touch point position information specifically comprises:
acquiring touch point direction information based on the continuous capacitance change data, wherein the touch point direction information comprises the speed and direction of a touch point;
and taking the touch point direction information and the touch point position information as training data sets, and inputting the training data sets into a preset track generation model to obtain a touch point movement track.
5. The method for positioning a capacitive micro-cursor according to claim 1, wherein before inputting the motion track of the touch point into a preset track analysis model to obtain a plurality of touch point coordinates and generating corresponding control instructions based on the plurality of touch point coordinates, the method for positioning a capacitive micro-cursor further comprises:
acquiring historical motion trail data, and acquiring corresponding control type information based on the historical motion trail data;
and training the preliminary model based on the control type information to obtain a track analysis model.
6. The method for positioning a capacitive micro cursor according to claim 1, wherein the inputting the motion track of the touch point into a preset track analysis model to obtain coordinates of a plurality of touch points, and generating corresponding control instructions based on the coordinates of the plurality of touch points specifically comprises:
acquiring continuous touch points based on the touch point movement track, and acquiring coordinates of a plurality of touch points according to the continuous touch points;
and determining corresponding control instructions according to the coordinates of the touch points.
7. A capacitive micro-cursor positioning system, wherein said capacitive micro-cursor positioning device comprises:
the electric field analysis module is used for acquiring the position information of the finger of the user and acquiring electric field change information based on the position information of the finger of the user;
the touch point information acquisition module is used for acquiring continuous capacitance change data according to the electric field change information and determining touch point position information based on the continuous capacitance change data;
the touch point track generation module is used for generating a touch point motion track based on the continuous capacitance change data and touch point position information;
the motion track analysis module is used for inputting the motion track of the touch points into a preset track analysis model to obtain coordinates of a plurality of touch points, and generating corresponding control instructions based on the coordinates of the touch points.
8. The capacitive micro-cursor positioning system of claim 7, wherein said capacitive micro-cursor positioning device further comprises:
the data preprocessing module is used for carrying out data preprocessing on the capacitance change data to obtain processed capacitance change data;
and the characteristic extraction module is used for extracting data jumping point information from the processed capacitance change data and acquiring capacitance change data characteristics based on the data jumping point information.
9. A computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of a capacitive micro-cursor positioning method according to any of claims 1 to 6 when the computer program is executed.
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