CN116225260A - Anti-false touch system based on 3D touch module - Google Patents

Anti-false touch system based on 3D touch module Download PDF

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Publication number
CN116225260A
CN116225260A CN202310174015.9A CN202310174015A CN116225260A CN 116225260 A CN116225260 A CN 116225260A CN 202310174015 A CN202310174015 A CN 202310174015A CN 116225260 A CN116225260 A CN 116225260A
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touch
parameters
false
pressure
interval
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李腾
何再权
朱培强
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Ruitai Changzhou Polymer Technology Co ltd
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Ruitai Changzhou Polymer Technology Co ltd
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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
    • G06F3/04186—Touch location disambiguation
    • 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
    • G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04105—Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

The invention discloses an anti-false touch system based on a 3D touch module, which relates to the technical field of anti-false touch, and solves the technical problems that whether the anti-false touch condition is inaccurate is judged by recording corresponding touch pressure parameters, touch data generated in the touch process is acquired by a touch sensing unit, then the touch data is received and analyzed, the corresponding storage data is selected and compared in a preset database according to the analysis result, whether the anti-false touch condition is caused or not is judged, an anti-false touch signal or a starting signal is generated according to the comparison result, the analysis and comparison are carried out on the parameters generated in the anti-false touch process by analyzing the pressure, the area and the stroke interval in the touch process, and the whole anti-false touch analysis result is more accurate by adopting the comparison method, so that the whole anti-false touch judgment effect of the 3D touch module is improved.

Description

Anti-false touch system based on 3D touch module
Technical Field
The invention belongs to the technical field of false touch prevention, and particularly relates to a false touch prevention system based on a 3D touch module.
Background
The touch screen is widely used, so that the operation of digital equipment such as mobile phones, flat plates and the like is greatly facilitated, however, the touch screen sometimes has a lot of feelings, such as putting the mobile phones or the flat plates into trousers bags and backpacks, or sometimes only holding the surfaces of the screens, the flat plates always act as a ground, a stack of programs are opened, and no electricity is consumed, so that people can take the effect.
The invention discloses an error touch prevention method, which is applied to a handheld electronic device and comprises the following steps of: detecting whether a user generates a submitting action, and locking a screen of the handheld electronic device when the submitting action is generated; otherwise, continuing to detect; detecting whether the submitting action is finished, and when the submitting action is finished, releasing the locking state of the screen of the handheld electronic device; otherwise, continuing to detect whether the submitting action is finished, the invention also provides an error touch prevention system, and the invention can prevent the screen of the hand-held electronic device from being touched by mistake during the submitting.
In the normal touch process, the 3D touch module can record corresponding touch pressure parameters, and whether the false touch prevention condition exists or not is judged through the touch pressure parameters, but the false touch prevention analysis mode is inaccurate, the touch area and the touch sliding mode are not considered, and the false touch is easy to occur.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art; therefore, the invention provides an anti-false touch system based on a 3D touch module, which is used for solving the technical problem that whether the anti-false touch condition exists is inaccurate or not is judged by recording corresponding touch pressure parameters and then by the touch pressure parameters.
In order to achieve the above object, an embodiment according to a first aspect of the present invention provides an anti-false touch system based on a 3D touch module, including a parameter obtaining unit, a touch sensing unit, and a false touch analysis center;
the false touch analysis center comprises a pressure interval confirmation unit, a preset database, a numerical analysis unit, a checking unit and a control unit;
the parameter acquisition unit is used for acquiring touch parameters of the 3D touch module corresponding to a user and transmitting the acquired touch parameters into the false touch analysis center, wherein the touch parameters comprise touch pressure, touch area and touch scratches;
the pressure interval confirming unit in the false touch analysis center receives the touch parameters, receives the touch pressure parameters of the user, determines a pressure interval according to the received pressure parameters, and transmits the confirmed pressure interval to a preset database;
the numerical analysis unit is used for receiving the touch parameters, carrying out analysis processing on the touch area and the touch scratches to obtain habit data packets corresponding to users, and transmitting the habit data packets into a preset database for storage processing;
the touch sensing unit is arranged in the touch display screen of the 3D touch control module, and is used for collecting touch data generated in the touch process and transmitting the collected touch data into the checking unit;
the checking unit is used for receiving and analyzing the touch data, selecting corresponding stored data from a preset database according to an analysis result, comparing the touch data with the corresponding stored data, judging whether the touch data belong to a false touch condition according to a comparison result, generating a false touch signal or a starting signal, and transmitting the false touch signal or the starting signal into the control unit.
Preferably, the pressure interval confirming unit determines the pressure interval according to the received pressure parameter in the following specific manner:
defining a monitoring period T as a preset value, recording the touch pressure generated in each touch process in the monitoring period T, and marking the touch pressure as CM i Wherein i represents different touch pressures;
at several groups of touch pressure parameters CM i Extracts the maximum and minimum values and marks the maximum as CM imax The minimum value is marked as CM imin ；
And combining the minimum value and the maximum value of the touch pressure parameter into a pressure interval, and transmitting the combined pressure interval into a preset database for storage.
Preferably, the specific manner of the numerical analysis unit for re-analyzing the touch area and the touch scratch is as follows:
s1, limiting a monitoring period T, and marking the received touch area as MJ k Which is provided withWhere k represents different touch areas, from several groups of touch areas MJ k The internal maximum value and the internal minimum value determine an area interval, and the area interval is transmitted to a preset database for storage;
s2, converting a single group of touch scratches into a scratch image, matching the scratch image with a preset coordinate template, acquiring point location coordinate parameters of a plurality of edge points around the scratch image, and marking point location coordinates of different edge points as BY t (X t ，Y t ) Wherein t represents different edge points;
s3, adopt
Figure BDA0004100188700000031
Obtaining distance parameters JL of different edge points, wherein j epsilon t, and obtaining the maximum value of a plurality of groups of distance parameters JL from a single group of touch scratches;
s4, sequentially processing different touch scratches, repeating the steps S2 and S3 to obtain the maximum value of a plurality of distance parameters JL, extracting a group of parameters with the maximum parameter and a group of parameters with the minimum parameter from the maximum value of the plurality of distance parameters JL, calibrating the two groups of parameters as scratch parameter intervals, and transmitting the scratch parameter intervals into a preset database for storage processing.
Preferably, the specific manner of analyzing the touch data by the checking unit is as follows:
w1, acquiring touch pressure parameters from touch data, marking the touch pressure parameters as CS, comparing the CS with a pressure interval stored in a preset database, and performing next analysis processing when the CS belongs to the interval, if the CS does not belong to the pressure interval, generating a false touch signal, and transmitting the false touch signal to a control unit;
w2, analyzing whether the touch data is a static touch condition or a dynamic touch condition, if the touch data is the static touch condition, executing the step W3, and if the touch data is the dynamic touch condition, directly executing the step W4;
w3, extracting a touch area parameter from the determined static touch condition, marking the touch area parameter as CJ, comparing the touch area parameter CJ with an area interval stored in a preset database, generating a control signal when the touch area parameter CJ belongs to the area interval, otherwise, generating a false touch signal, and transmitting the control signal and the false touch signal to a control unit;
w4, extracting touch scratches from the determined dynamic touch condition, acquiring the maximum value of the two-point distance parameters of the touch scratches in the same manner as the step S2 and the step S3, marking the acquired maximum value as ZD, comparing the ZD with scratch parameter intervals stored in a preset database, generating a control signal when the ZD is in the scratch parameter interval, transmitting the control signal to a control unit, and when the ZD is in the scratch parameter interval
Figure BDA0004100188700000041
And generating a false touch signal in the scratch parameter interval, and transmitting the false touch signal to the control unit.
Preferably, the control unit receives the false touch signal and the control signal, does not perform any processing when receiving the false touch signal, generates the control current when receiving the control signal, controls the 3D control module, and displays the control current through the touch display screen.
Compared with the prior art, the invention has the beneficial effects that: defining a group of monitoring periods, acquiring and analyzing touch parameters generated by the 3D touch module corresponding to users in the monitoring periods, presetting a group of pressure intervals according to the generated pressure parameters, and then determining and storing the touch pressure intervals and scratch parameter intervals through the touch areas and the touch scratches;
and then acquiring touch data generated in the touch process through the touch sensing unit, receiving the touch data, analyzing the touch data, selecting corresponding stored data in a preset database according to an analysis result, comparing the stored data with the corresponding stored data, judging whether the stored data belongs to the false touch condition according to the comparison result, generating a false touch signal or a starting signal, analyzing and comparing parameters generated in the false touch process through analyzing pressure, area and a dividing interval in the touch process, and adopting the comparison method, so that the whole false touch analysis result is more accurate, and the whole false touch prevention judging effect of the 3D touch module is improved.
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Fig. 1 is a schematic diagram of a principle frame of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the application provides an anti-false touch system based on a 3D touch module, which includes a parameter obtaining unit, a touch sensing unit and a false touch analysis center;
the parameter acquisition unit and the touch sensing unit are electrically connected with the input end of the false touch analysis center;
the false touch analysis center comprises a pressure interval confirmation unit, a preset database, a numerical analysis unit, a checking unit and a control unit, wherein the pressure interval confirmation unit is electrically connected with the input ends of the preset database and the numerical analysis unit, the preset database is in bidirectional connection with the numerical analysis unit, the preset database is electrically connected with the input end of the checking unit, and the checking unit is electrically connected with the input end of the control unit;
the parameter acquisition unit is used for acquiring touch parameters of the 3D touch module corresponding to a user and transmitting the acquired touch parameters into the false touch analysis center, wherein the touch parameters comprise touch pressure, touch area and touch scratches;
the pressure interval confirming unit in the false touch analysis center receives the touch parameters, receives the touch pressure parameters of the user, determines a pressure interval according to the received pressure parameters, and transmits the confirmed pressure interval to a preset database, wherein the specific mode for determining the pressure interval is as follows:
defining a monitoring period T as a preset value, wherein the specific value is set by an operator, the value is generally 3min, and the touch pressure generated in each touch process is recorded and marked as CM in the monitoring period T i Wherein i represents different touch pressures;
at several groups of touch pressure parameters CM i Extracts the maximum and minimum values and marks the maximum as CM imax The minimum value is marked as CM imin ；
And combining the minimum value and the maximum value of the touch pressure parameter into a pressure interval, and transmitting the combined pressure interval into a preset database for storage.
The numerical analysis unit is used for receiving the touch parameters, carrying out analysis processing on the touch area and the touch scratches to obtain habit data packets corresponding to users, and transmitting the habit data packets into a preset database for storage processing, wherein the specific mode for carrying out the analysis processing is as follows:
s1, limiting a monitoring period T, receiving the existing touch area, and marking the received touch area as MJ k Where k represents the different touch areas, from several groups of touch areas MJ k The internal maximum value and the internal minimum value determine an area interval, and the area interval is transmitted to a preset database for storage;
s2, converting a single group of touch scratches into a scratch image, matching the scratch image with a preset coordinate template, acquiring point location coordinate parameters of a plurality of edge points around the scratch image, and marking point location coordinates of different edge points as BY t (X t ，Y t ) Wherein t represents different edge points;
s3, adopt
Figure BDA0004100188700000061
Obtaining distance parameters JL of different edge points, wherein j epsilon t, and obtaining the maximum value of a plurality of groups of distance parameters JL from a single group of touch scratches;
s4, sequentially processing different touch scratches, repeating the steps S2 and S3 to obtain the maximum value of a plurality of distance parameters JL, extracting a group of parameters with the maximum parameter and a group of parameters with the minimum parameter from the maximum value of the plurality of distance parameters JL, calibrating the two groups of parameters as scratch parameter intervals, and transmitting the scratch parameter intervals into a preset database for storage processing.
The touch sensing unit is arranged in the touch display screen of the 3D touch control module, and is used for collecting touch data generated in the touch process and transmitting the collected touch data into the checking unit;
the checking unit is used for receiving and analyzing the touch data, selecting corresponding stored data in the preset database according to the analysis result, comparing the stored data with the corresponding stored data, judging whether the touch data belong to a false touch condition according to the comparison result, generating a false touch signal or a starting signal, and transmitting the false touch signal or the starting signal into the control unit, wherein the specific mode for analyzing is as follows:
w1, acquiring touch pressure parameters from touch data, marking the touch pressure parameters as CS, comparing the CS with a pressure interval stored in a preset database, and performing next analysis processing when the CS belongs to the interval, if the CS does not belong to the pressure interval, generating a false touch signal, and transmitting the false touch signal to a control unit;
w2, analyzing whether the touch data is a static touch condition or a dynamic touch condition, if the touch data is the static touch condition, executing the step W3, and if the touch data is the dynamic touch condition, directly executing the step W4;
w3, extracting a touch area parameter from the determined static touch condition, marking the touch area parameter as CJ, comparing the touch area parameter CJ with an area interval stored in a preset database, generating a control signal when the touch area parameter CJ belongs to the area interval, otherwise, generating a false touch signal, and transmitting the control signal and the false touch signal to a control unit;
w4, extracting touch scratches from the touch data from the determined dynamic touch conditions in the same manner as in the above-described steps S2 and S3Obtaining the maximum value of the two-point distance parameters of the touch scratch, marking the obtained maximum value as ZD, comparing the ZD with scratch parameter intervals stored in a preset database, generating a control signal when the ZD is in the scratch parameter interval, transmitting the control signal to a control unit, and when the ZD is in the scratch parameter interval, transmitting the control signal to the control unit
Figure BDA0004100188700000071
And generating a false touch signal in the scratch parameter interval, and transmitting the false touch signal to the control unit.
The control unit receives the false touch signal and the control signal, does not perform any processing when receiving the false touch signal, generates control current when receiving the control signal, controls the 3D control module and displays the control current through the touch display screen.
The partial data in the formula are all obtained by removing dimension and taking the numerical value for calculation, and the formula is a formula closest to the real situation obtained by simulating a large amount of collected data through software; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or are obtained through mass data simulation.
The working principle of the invention is as follows: a group of monitoring periods are defined in advance, touch parameters generated by the 3D touch module corresponding to users are acquired and analyzed, a group of pressure intervals are predetermined according to the generated pressure parameters, and then the touch pressure intervals and scratch parameter intervals are determined and stored through the touch areas and the touch scratches;
and then acquiring touch data generated in the touch process through the touch sensing unit, receiving the touch data, analyzing the touch data, selecting corresponding stored data in a preset database according to an analysis result, comparing the stored data with the corresponding stored data, judging whether the stored data belongs to the false touch condition according to the comparison result, generating a false touch signal or a starting signal, analyzing and comparing parameters generated in the false touch process through analyzing pressure, area and a dividing interval in the touch process, and adopting the comparison method, so that the whole false touch analysis result is more accurate, and the whole false touch prevention judging effect of the 3D touch module is improved.
The above embodiments are only for illustrating the technical method of the present invention and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present invention may be modified or substituted without departing from the spirit and scope of the technical method of the present invention.

Claims (5)

1. The error touch prevention system based on the 3D touch module is characterized by comprising a parameter acquisition unit, a touch sensing unit and an error touch analysis center;
the false touch analysis center comprises a pressure interval confirmation unit, a preset database, a numerical analysis unit, a checking unit and a control unit;
the parameter acquisition unit is used for acquiring touch parameters of the 3D touch module corresponding to a user and transmitting the acquired touch parameters into the false touch analysis center, wherein the touch parameters comprise touch pressure, touch area and touch scratches;
the pressure interval confirming unit in the false touch analysis center receives the touch parameters, receives the touch pressure parameters of the user, determines a pressure interval according to the received pressure parameters, and transmits the confirmed pressure interval to a preset database;
the numerical analysis unit is used for receiving the touch parameters, carrying out analysis processing on the touch area and the touch scratches to obtain habit data packets corresponding to users, and transmitting the habit data packets into a preset database for storage processing;
the touch sensing unit is arranged in the touch display screen of the 3D touch control module, and is used for collecting touch data generated in the touch process and transmitting the collected touch data into the checking unit;
the checking unit is used for receiving and analyzing the touch data, selecting corresponding stored data from a preset database according to an analysis result, comparing the touch data with the corresponding stored data, judging whether the touch data belong to a false touch condition according to a comparison result, generating a false touch signal or a starting signal, and transmitting the false touch signal or the starting signal into the control unit.
2. The anti-false touch system based on a 3D touch module according to claim 1, wherein the specific manner of determining the pressure interval according to the received pressure parameter by the pressure interval determining unit is:
defining a monitoring period T as a preset value, recording the touch pressure generated in each touch process in the monitoring period T, and marking the touch pressure as CM i Wherein i represents different touch pressures;
at several groups of touch pressure parameters CM i Extracts the maximum and minimum values and marks the maximum as CM imax The minimum value is marked as CM imin ；
And combining the minimum value and the maximum value of the touch pressure parameter into a pressure interval, and transmitting the combined pressure interval into a preset database for storage.
3. The anti-false touch system based on the 3D touch module according to claim 2, wherein the specific manner of the numerical analysis unit for re-analyzing the touch area and the touch scratch is as follows:
s1, limiting a monitoring period T, and marking the received touch area as MJ k Where k represents the different touch areas, from several groups of touch areas MJ k The internal maximum value and the internal minimum value determine an area interval, and the area interval is transmitted to a preset database for storage;
s2, converting a single group of touch scratches into a scratch image, matching the scratch image with a preset coordinate template, acquiring point location coordinate parameters of a plurality of edge points around the scratch image, and marking point location coordinates of different edge points as BY t (X t ，Y t ) Wherein t represents different edge points;
s3, adopt
Figure FDA0004100188690000021
Obtaining distance parameters JL of different edge points, wherein j epsilon t, and obtaining the maximum value of a plurality of groups of distance parameters JL from a single group of touch scratches;
s4, sequentially processing different touch scratches, repeating the steps S2 and S3 to obtain the maximum value of a plurality of distance parameters JL, extracting a group of parameters with the maximum parameter and a group of parameters with the minimum parameter from the maximum value of the plurality of distance parameters JL, calibrating the two groups of parameters as scratch parameter intervals, and transmitting the scratch parameter intervals into a preset database for storage processing.
4. The anti-false touch system based on 3D touch module as claimed in claim 3, wherein the specific way of analyzing the touch data by the checking unit is:
w1, acquiring touch pressure parameters from touch data, marking the touch pressure parameters as CS, comparing the CS with a pressure interval stored in a preset database, and performing next analysis processing when the CS belongs to the interval, if the CS does not belong to the pressure interval, generating a false touch signal, and transmitting the false touch signal to a control unit;
w2, analyzing whether the touch data is a static touch condition or a dynamic touch condition, if the touch data is the static touch condition, executing the step W3, and if the touch data is the dynamic touch condition, directly executing the step W4;
w3, extracting a touch area parameter from the determined static touch condition, marking the touch area parameter as CJ, comparing the touch area parameter CJ with an area interval stored in a preset database, generating a control signal when the touch area parameter CJ belongs to the area interval, otherwise, generating a false touch signal, and transmitting the control signal and the false touch signal to a control unit;
w4, extracting touch scratches from the determined dynamic touch conditions, acquiring the maximum value of the two-point distance parameters of the touch scratches in the same manner as the step S2 and the step S3, marking the acquired maximum value as ZD, and comparing the ZD with scratch parameters stored in a preset databaseComparing the number intervals, when ZD is in scratch parameter interval, generating control signal, transmitting to control unit, when
Figure FDA0004100188690000031
And generating a false touch signal in the scratch parameter interval, and transmitting the false touch signal to the control unit.
5. The system of claim 4, wherein the control unit receives the false touch signal and the control signal, does not perform any processing when the false touch signal is received, generates a control current when the control signal is received, controls the 3D control module, and displays the control current through the touch display screen.
CN202310174015.9A 2023-02-28 2023-02-28 Anti-false touch system based on 3D touch module Pending CN116225260A (en)

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