CN116301424B - Touch recognition system based on pressure touch sensor - Google Patents
Touch recognition system based on pressure touch sensor Download PDFInfo
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- CN116301424B CN116301424B CN202310189954.0A CN202310189954A CN116301424B CN 116301424 B CN116301424 B CN 116301424B CN 202310189954 A CN202310189954 A CN 202310189954A CN 116301424 B CN116301424 B CN 116301424B
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- 230000036544 posture Effects 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims abstract description 17
- 230000001960 triggered effect Effects 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 18
- 238000013500 data storage Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 7
- 230000004913 activation Effects 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000012163 sequencing technique Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005057 finger movement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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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
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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
- G06F2203/041—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
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- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses a touch recognition system based on a pressure touch sensor, which belongs to the technical field of pressure touch control, and can recognize current operation actions according to the use habits of users on a touch screen under different handheld postures. The invention can further classify the cold door areas according to the execution reaction of the cold door areas after the cold door areas are used as the initial contact, thereby reducing the influence on the normal instruction expression and further reducing the influence of the mistaken touch on the smoothness of using the intelligent terminal equipment by the user.
Description
Technical Field
The invention belongs to the technical field of pressure touch control, and particularly relates to a touch recognition system based on a pressure touch sensor.
Background
The screen is an important component part of the intelligent terminal equipment, all interaction behaviors between a user and the terminal equipment can be almost completed through one screen, the traditional touch screen mainly comprises a capacitive screen and a resistive screen, the working principles of the capacitive screen and the resistive screen are different, but finger positioning can be realized through contact actions, and therefore execution of corresponding instructions is realized.
The existing intelligent terminal equipment has the characteristic of large screen area, terminal equipment with a full-screen structure is more and more common, a better visual experience effect is brought, but in the use process of the full-screen terminal equipment, the palm of a user can easily make false touch to the screen in the process of finger movement, in addition, as part of the hand-held gesture habits of the user, fingers or palms which do not output instructions can possibly appear to be contacted with the screen when part of operations are executed, and the instructions which can be executed are not instructions which the user wants to execute, so that the smoothness of the use process of the user in the terminal equipment is reduced, the use experience of the user is influenced, the effect of identifying the effectiveness of the touch of the user on the screen is realized, and the influence of the false touch process on the normal use of the terminal equipment by the user is reduced.
Disclosure of Invention
The invention aims to provide a touch recognition system based on a pressure touch sensor, which solves the problem that in the prior art, a user easily touches a terminal device by mistake to influence the use smoothness of the user.
The aim of the invention can be achieved by the following technical scheme:
a pressure touch sensor based touch recognition system comprising:
the pressure touch sensor unit is arranged on the back surface and the side surface of the terminal equipment terminal and is used for detecting pressure signals, converting the pressure signals into electric signals and transmitting the electric signals to the control center;
the touch screen positioning unit is used for acquiring the contact position information of the user and the touch screen and transmitting the contact position information to the data storage unit and the control center;
the data storage unit is used for storing the data acquired by the pressure touch sensor unit and the touch screen positioning unit;
the control center is used for analyzing and processing the electric signal data uploaded by the pressure touch sensor unit, the contact position information of the user and the touch screen and the electric signal data stored in the data storage unit and judging whether to execute a corresponding instruction or not;
the method for judging whether to execute the corresponding instruction by the control center comprises the following steps:
s1, dividing an installation area of a pressure touch sensor unit into n gesture determination areas, and dividing a touch screen area into m tracking areas;
when the detection pressure F1 of one gesture determination area is more than or equal to F2, marking the corresponding gesture determination area as an activated state area; the F2 is a preset threshold value;
when the gesture of the user holding the terminal equipment is in a stable gesture, starting to acquire a tracking area under the stable gesture until the stable gesture is released;
the stable gesture refers to that the position change of the active state area is smaller than a preset proportion in continuous preset time when a user holds the terminal equipment;
s3, acquiring tracking areas corresponding to users in different postures, and marking the triggered times or the tracking areas with the triggered proportion smaller than a preset threshold value as cold door areas;
s4, when the touch screen is lightened, acquiring current activated state area distribution, acquiring a current handheld gesture according to the activated state area distribution, and further acquiring a current corresponding cold door area;
when the first contact is in the cold door area, the execution of the corresponding instruction is not carried out temporarily, if the user executes the preset wake-up action within the preset time T2, the execution of the corresponding instruction is continued, otherwise, the contact is considered to be the false contact, the execution of the corresponding instruction is not carried out, and meanwhile, the position coordinates of the first contact in the contact are not stored;
the first contact point refers to a position contacted by a user at the beginning in a contact process with the touch screen.
As a further aspect of the present invention, the method for determining the stable posture includes:
acquiring an active state region at intervals of a preset time t1, and taking the mark of the active state region acquired in the preset time t1 as a gesture set;
when the similarity alpha of the activated state areas in the two gesture sets is larger than or equal to a preset value alpha 1, the two gesture sets are considered to belong to similar gesture sets;
when the gesture sets acquired in the continuous k preset times all belong to similar gesture sets, the gesture of the user holding the terminal device is considered to be in a stable gesture;
as a further scheme of the invention, the calculation method of the similarity alpha of the activated state areas in the two gesture sets comprises the following steps:
the alpha=bmin/bmax, wherein bmin is the number of active state areas in one of the two gesture sets, bmax is the number of active state areas in the other gesture set, and bmin is less than or equal to bmax.
As a further aspect of the present invention, the corresponding method for obtaining the cold door area includes:
acquiring an activated state area corresponding to each stable gesture acquired by a user in a period of preset time T in the past;
dividing each stable gesture into a plurality of groups of handheld gestures according to the distribution of the activated state areas, wherein the stable gestures in the same group of handheld gestures satisfy the following conditions: b1/b2 is more than or equal to beta, wherein b1 is the number of the common active state areas of all the stable postures in the same group of handheld postures, and b2 is the number of the active state areas corresponding to any one of the stable postures;
the common activation state area refers to an activation state area contained in each stable gesture in the same group of handheld gestures;
acquiring triggered tracking areas corresponding to each group of handheld gestures and triggering the times of each tracking area;
in the same group of handheld gestures, sequencing each tracking area according to the sequence from big to small of the number of times each tracking area is triggered;
the number of times triggered or the tracking area of which the proportion of triggered is smaller than a preset threshold value is marked as a cold door area.
As a further scheme of the invention, when the touch screen is in a lighting state, the pressure touch sensor unit is activated by the main controller.
As a further scheme of the invention, the preset wake-up action is a touch screen which is continuously clicked twice or more in the same area within a preset time.
As a further scheme of the invention, if one cold door region meets d1/d2 is more than or equal to gamma 1, the mark of the cold door region is canceled;
wherein γ1 is a preset proportional value, d2 is the number of times the cold door region is used as the first contact point in the corresponding group of handheld gestures, and d1 is the number of times the user executes a preset wake-up action after the cold door region is used as the first contact point in the corresponding group of handheld gestures.
As a further scheme of the invention, d2 is more than or equal to 20.
The invention has the beneficial effects that:
1. the invention can identify the current operation action according to the use habit of the touch screen under different hand-held postures, specifically, under one hand-held posture, if partial areas are abnormally contacted, the corresponding instruction is judged to be executed or not by a preset awakening action, so that the identification of the false touch action is realized, the influence of the false touch on the smoothness of the intelligent terminal equipment used by the user is reduced or even avoided while the execution of the normal instruction is not influenced, and the accurate identification of the validity of the human-computer interaction action is realized.
2. According to the method and the device for classifying the cold door areas, the cold door areas can be further classified according to the execution response of the cold door areas after the cold door areas are used as the initial contact, so that the influence on normal instruction expression is reduced, and the influence of false touch on the smoothness of using intelligent terminal equipment by a user is further reduced.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but 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.
A pressure touch sensor based touch recognition system comprising:
the pressure touch sensor unit is arranged on the back surface and the side surface of the terminal equipment terminal and is used for detecting pressure signals, converting the pressure signals into electric signals and transmitting the electric signals to the control center;
the touch screen positioning unit is used for acquiring the contact position information of the user and the touch screen when the user touches the touch screen and transmitting the contact position information to the data storage unit and the control center;
the data storage unit is used for storing the data acquired by the pressure touch sensor unit and the touch screen positioning unit;
the control center is used for analyzing and processing the electric signal data uploaded by the pressure touch sensor unit, the contact position information of the user and the touch screen and the electric signal data stored in the data storage unit, so as to judge whether to execute the corresponding instruction;
the method for judging whether to execute the corresponding instruction by the control center comprises the following steps:
s1, determining the gesture of a user holding terminal equipment;
specific:
dividing an installation area of the pressure touch sensor unit into n gesture determination areas, and sequentially marking the gesture determination areas as Z1, Z2, … and Zn;
when the touch screen is in a lighting state, the pressure touch sensor unit is activated by the main controller, so that energy consumption can be reduced;
when the detection pressure F1 of one gesture determination area is more than or equal to F2, marking the corresponding gesture determination area as an activated state area;
the F2 is a preset threshold value;
acquiring an active state region at intervals of a preset time t1, and taking the mark of the active state region acquired in the preset time t1 as a gesture set;
when the similarity alpha of the activated state areas in the two gesture sets is larger than or equal to a preset value alpha 1, the two gesture sets are considered to belong to similar gesture sets;
when the gesture sets acquired in the continuous k preset times all belong to similar gesture sets, the gesture of the user holding the terminal device is considered to be in a stable gesture;
wherein k is a preset value;
the calculation method of the similarity alpha of the activated state areas in the two gesture sets comprises the following steps:
the alpha=bmin/bmax, wherein bmin is the number of active state areas in one of the two gesture sets, bmax is the number of active state areas in the other gesture set, and bmin is less than or equal to bmax.
S2, when the gesture of the user holding the terminal equipment is in a stable gesture, starting to acquire a tracking area under the stable gesture until the stable gesture is released;
specifically, the method comprises the following steps:
dividing a touch screen area into m tracking areas, and marking each tracking area as R1, R2, … and Rm in sequence;
when a user touches the touch screen, the position coordinates of a first contact point of the user are acquired through the touch screen positioning unit, and a tracking area where the position of the first contact point is located is judged, wherein the tracking area where the first contact point is located is considered to be triggered;
when the gesture of the user holding the terminal equipment is in a stable gesture, acquiring a tracking area triggered by the user holding the terminal equipment in the stable gesture and the times of triggering each tracking area;
the first contact point is a position contacted by a user at the beginning in the process of contacting the touch screen once;
s3, acquiring tracking areas corresponding to users in different postures, and marking the triggered times or the tracking areas with the triggered proportion smaller than a preset threshold value as cold door areas;
acquiring an activated state area corresponding to each stable gesture acquired by a user in a period of preset time T in the past;
dividing each stable gesture into a plurality of groups of handheld gestures according to the distribution of the activated state areas, wherein the stable gestures in the same group of handheld gestures satisfy the following specific conditions: b1/b2 is more than or equal to beta, wherein b1 is the number of the common active state areas of all the stable postures in the same group of handheld postures, and b2 is the number of the active state areas corresponding to any one of the stable postures;
the common activation state area refers to an activation state area contained in each stable gesture in the same group of handheld gestures;
acquiring triggered tracking areas corresponding to each group of handheld gestures and triggering the times of each tracking area;
in the same group of handheld gestures, sequencing each tracking area according to the sequence from big to small of the number of times each tracking area is triggered;
marking the triggered times or the triggered tracking areas with the proportion smaller than a preset threshold value as cold door areas;
s4, when the touch screen is lightened, acquiring current activated state area distribution, acquiring a current handheld gesture according to the activated state area distribution, and further acquiring a current corresponding cold door area;
when the first contact is in the cold door area, the execution of the corresponding instruction is not carried out temporarily, if the user executes the preset wake-up action within the preset time T2, the execution of the corresponding instruction is continued, otherwise, the contact is considered to be the false contact, the execution of the corresponding instruction is not carried out, and meanwhile, the position coordinates of the first contact in the contact are not stored;
the preset wake-up action is a special action that the intelligent terminal equipment can read and recognize, such as clicking a touch screen twice or more in the same area continuously within preset time, or pressing a corresponding case, etc.;
according to the method, according to the using habit of the user on the touch screen under different handheld postures, if a part of areas are abnormally contacted under one handheld posture, whether the corresponding instruction is executed or not is judged by a preset awakening action, so that the identification of false touch is realized, and the influence of the false touch on the smoothness of using intelligent terminal equipment by the user is reduced or even avoided while the execution of normal instructions is not influenced.
In one embodiment of the invention, if one cold door region meets d1/d2 is larger than or equal to gamma 1, the mark of the cold door region is canceled;
wherein γ1 is a preset proportional value, d2 is the number of times the cold door region is used as a first contact point in the corresponding group of handheld gestures, and d1 is the number of times the user executes a preset wake-up action after the cold door region is used as the first contact point in the corresponding group of handheld gestures;
in one embodiment of the invention, d2.gtoreq.20;
according to the method, the cold door areas can be further classified according to the execution reaction of the cold door areas after the cold door areas are used as the initial contact, so that the influence on the normal instruction expression is reduced, and the influence of the false touch on the smoothness of using intelligent terminal equipment by a user is further reduced.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (7)
1. A pressure touch sensor-based touch recognition system, comprising:
the pressure touch sensor unit is arranged on the back surface and the side surface of the terminal equipment terminal and is used for detecting pressure signals, converting the pressure signals into electric signals and transmitting the electric signals to the control center;
the touch screen positioning unit is used for acquiring the contact position information of the user and the touch screen and transmitting the contact position information to the data storage unit and the control center;
the data storage unit is used for storing the data acquired by the pressure touch sensor unit and the touch screen positioning unit;
the control center is used for analyzing and processing the electric signal data uploaded by the pressure touch sensor unit, the contact position information of the user and the touch screen and the electric signal data stored in the data storage unit and judging whether to execute a corresponding instruction or not;
the method for judging whether to execute the corresponding instruction by the control center comprises the following steps:
s1, dividing an installation area of a pressure touch sensor unit into n gesture determination areas, and dividing a touch screen area into m tracking areas;
when the detection pressure F1 of one gesture determination area is more than or equal to F2, marking the corresponding gesture determination area as an activated state area; the F2 is a preset threshold value;
when the gesture of the user holding the terminal equipment is in a stable gesture, starting to acquire a tracking area under the stable gesture until the stable gesture is released;
the stable gesture refers to that the position change of the active state area is smaller than a preset proportion in continuous preset time when a user holds the terminal equipment;
s3, acquiring tracking areas corresponding to users in different postures, and marking the triggered times or the tracking areas with the triggered proportion smaller than a preset threshold value as cold door areas;
s4, when the touch screen is lightened, acquiring current activated state area distribution, acquiring a current handheld gesture according to the activated state area distribution, and further acquiring a current corresponding cold door area;
when the first contact is in the cold door area, the execution of the corresponding instruction is not carried out temporarily, if the user executes the preset wake-up action within the preset time T2, the execution of the corresponding instruction is continued, otherwise, the contact is considered to be the false contact, the execution of the corresponding instruction is not carried out, and meanwhile, the position coordinates of the first contact in the contact are not stored;
the first contact point is a position contacted by a user at the beginning in the process of contacting the touch screen once;
the method for acquiring the cold door area comprises the following steps:
acquiring an activated state area corresponding to each stable gesture acquired by a user in a period of preset time T in the past;
dividing each stable gesture into a plurality of groups of handheld gestures according to the distribution of the activated state areas, wherein the stable gestures in the same group of handheld gestures satisfy the following conditions: b1/b2 is more than or equal to beta, wherein b1 is the number of the common active state areas of all the stable postures in the same group of handheld postures, and b2 is the number of the active state areas corresponding to any one of the stable postures;
the common activation state area refers to an activation state area contained in each stable gesture in the same group of handheld gestures;
acquiring triggered tracking areas corresponding to each group of handheld gestures and triggering the times of each tracking area;
in the same group of handheld gestures, sequencing each tracking area according to the sequence from big to small of the number of times each tracking area is triggered;
the number of times triggered or the tracking area of which the proportion of triggered is smaller than a preset threshold value is marked as a cold door area.
2. The touch recognition system based on a pressure touch sensor of claim 1, wherein the method for determining the stable gesture is:
acquiring an active state region at intervals of a preset time t1, and taking the mark of the active state region acquired in the preset time t1 as a gesture set;
when the similarity alpha of the activated state areas in the two gesture sets is larger than or equal to a preset value alpha 1, the two gesture sets are considered to belong to similar gesture sets;
when the gesture sets acquired in the continuous k preset times all belong to similar gesture sets, the gesture of the user holding the terminal device is considered to be in a stable gesture.
3. The touch recognition system based on pressure touch sensor of claim 2, wherein the calculation method of the similarity α of the active state regions in the two gesture sets is:
the alpha=bmin/bmax, wherein bmin is the number of active state areas in one of the two gesture sets, bmax is the number of active state areas in the other gesture set, and bmin is less than or equal to bmax.
4. The pressure touch sensor based touch recognition system of claim 1, wherein the pressure touch sensor unit is activated again by the main controller when the touch screen is in an illuminated state.
5. The pressure touch sensor based touch recognition system of claim 1, wherein the preset wake-up action is a touch screen that is clicked twice or more in succession on the same area for a preset time.
6. The touch recognition system based on a pressure touch sensor of claim 1, wherein if a cold door zone satisfies d1/d2++γ1, then the marking of the cold door zone is cancelled;
wherein γ1 is a preset proportional value, d2 is the number of times the cold door region is used as the first contact point in the corresponding group of handheld gestures, and d1 is the number of times the user executes a preset wake-up action after the cold door region is used as the first contact point in the corresponding group of handheld gestures.
7. The pressure touch sensor-based touch recognition system of claim 6, wherein d2+.20.
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| CN106681634A (en) * | 2016-12-14 | 2017-05-17 | 珠海格力电器股份有限公司 | Terminal touch screen misoperation prevention method and device and electronic equipment |
| CN106775405A (en) * | 2016-12-16 | 2017-05-31 | 广东欧珀移动通信有限公司 | A kind of touch-screen false-touch prevention method of mobile terminal, device and mobile terminal |
| CN106681555A (en) * | 2016-12-16 | 2017-05-17 | 广东欧珀移动通信有限公司 | Touch screen control method and device of mobile terminal and mobile terminal |
| CN106775086A (en) * | 2016-12-16 | 2017-05-31 | 广东欧珀移动通信有限公司 | A kind of touch-screen control method of mobile terminal, device and mobile terminal |
| WO2018107849A1 (en) * | 2016-12-16 | 2018-06-21 | 广东欧珀移动通信有限公司 | Method for controlling touch operation on mobile terminal, and related product |
| CN109074216A (en) * | 2017-04-21 | 2018-12-21 | 华为技术有限公司 | A kind of method of toch control and device |
| CN109891379A (en) * | 2017-08-03 | 2019-06-14 | 华为技术有限公司 | A kind of false-touch prevention method and terminal |
| CN111309179A (en) * | 2020-02-10 | 2020-06-19 | 北京小米移动软件有限公司 | Touch screen control method and device, terminal and storage medium |
| CN113552995A (en) * | 2020-04-24 | 2021-10-26 | 深圳市万普拉斯科技有限公司 | Mobile terminal false touch prevention method and device, computer equipment and storage medium |
| WO2021223560A1 (en) * | 2020-05-07 | 2021-11-11 | 华为技术有限公司 | Screen state control method and electronic device |
| CN113282191A (en) * | 2021-04-12 | 2021-08-20 | Tcl通讯（宁波）有限公司 | Method, device, equipment and medium for preventing false touch of touch screen |
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