CN113986046A - Touch detection point reporting method and device and electronic equipment - Google Patents
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Abstract
The disclosure relates to a touch detection point reporting method and device and electronic equipment, wherein the method comprises the following steps: acquiring a plurality of sensing values of the touch sensing assembly; determining a corresponding window parameter according to each sensing value, wherein the window parameter of any sensing value is used for determining a window taking the sensing value as a center; determining a plurality of sensing difference accumulation amounts according to each sensing value and each sensing value in the corresponding window, wherein any sensing difference accumulation amount is the sum of the difference value of the touch sensor corresponding to the sensing value at the center of the window and each sensing value of each touch sensor in the window; and obtaining and sending first report point data according to each sensing value and the corresponding sensing difference accumulation. The embodiment of the disclosure can realize the filtering of the sensing value of the non-pressing area, and improve the accuracy of point reporting so as to improve the accuracy of touch detection.
Description
Technical Field
The present disclosure relates to the field of touch technologies, and in particular, to a touch detection point reporting method and apparatus, and an electronic device.
Background
With the development of terminal technology, touch screens have become an important channel for human-computer interaction. The working principle of the touch screen is that scanning signals with certain frequency are triggered regularly, whether an object comprises a finger is pressed on the surface of the touch screen or not is detected, and coordinates are calculated according to capacitance signals and reported.
However, when an object is pressed on the touch screen, the screen is deformed, so that the sensing value of the non-pressing area is increased, and the touch report is inaccurate.
Disclosure of Invention
According to an aspect of the present disclosure, there is provided a touch detection reporting method, which is applied to a touch screen including a touch sensing assembly including a plurality of touch sensors distributed in an array, the touch sensors being configured to generate sensing values in response to a touch operation, the method including:
acquiring a plurality of sensing values of the touch sensing assembly;
determining a corresponding window parameter according to each sensing value, wherein the window parameter of any sensing value is used for determining a window with the sensing value as a center, and the window comprises a plurality of sensing values;
determining a plurality of sensing difference accumulation amounts according to each sensing value and each sensing value in the corresponding window, wherein any sensing difference accumulation amount is the sum of the difference value of the touch sensor corresponding to the sensing value at the center of the window and each sensing value of each touch sensor in the window;
and obtaining and sending first report data according to each sensing value and the corresponding sensing difference accumulation amount, wherein the first report data comprises a plurality of sensing values, and each sensing value in the first report data is smaller than the corresponding sensing difference accumulation amount.
In one possible embodiment, the method further comprises:
determining a global comparison value from each sensed value or each sensed difference accumulation amount;
and comparing each sensing value in the first reporting point data with the global comparison value respectively, and determining and sending second reporting point data, wherein the second reporting point data comprises a plurality of sensing values, and each sensing value in the second reporting point data is greater than or equal to the global comparison value.
In one possible embodiment, determining a global comparison value from the respective sensed values or the respective accumulated amounts of sensed differences includes:
determining the global comparison value according to the product of the maximum value of each sensing value and a first preset coefficient; or
And determining the global comparison value according to the product of the plurality of sensing difference accumulation amounts and a second preset coefficient.
In one possible embodiment, the method further comprises:
acquiring a preset window parameter, wherein the preset window parameter is used for determining a target window which takes any sensing value in the first report data as a center, and the target window comprises a plurality of sensing values;
determining the statistical number of the sensed values in each target window which are greater than the global comparison value;
and determining and sending third report point data according to each statistical number and the preset number, wherein the third report point data comprises the sensing values in the target window of which the statistical number is greater than the preset number.
In one possible embodiment, the method further comprises:
and determining a touch area according to any one of the first report point data, the second report point data and the third report point data.
In one possible embodiment, the window parameter corresponding to each sensing value is positively correlated to the sensing value.
According to an aspect of the present disclosure, there is provided a touch detection reporting apparatus, the apparatus is applied to a touch screen, the touch screen includes a touch sensing assembly and a processing assembly, the touch sensing assembly includes a plurality of touch sensors distributed in an array, the touch sensors are configured to generate sensing values in response to a touch operation, the processing assembly includes:
a first obtaining module, configured to obtain a plurality of sensing values of the touch sensing assembly;
a first determining module, connected to the first acquiring module, for determining a corresponding window parameter according to each sensing value, wherein the window parameter of any sensing value is used for determining a window centered on the sensing value, and the window includes a plurality of sensing values;
a second determining module, connected to the first determining module, for determining a plurality of sensing difference accumulation amounts according to each sensing value and each sensing value in the corresponding window, wherein any sensing difference accumulation amount is the sum of the sensing value difference between the touch sensor corresponding to the sensing value at the center of the window and each touch sensor in the window;
the first reporting module is connected to the second determining module, and configured to obtain and send first reporting data according to each sensing value and a corresponding sensing difference accumulation amount, where the first reporting data includes a plurality of sensing values, and each sensing value in the first reporting data is smaller than the corresponding sensing difference accumulation amount.
In one possible implementation, the processing component further includes:
a third determining module, connected to the first obtaining module and the second determining module, for determining a global comparison value according to each sensing value or each sensing difference accumulation;
a second reporting module, connected to the third determining module, configured to compare each sensing value in the first reporting data with the global comparison value, and determine and send second reporting data, where the second reporting data includes a plurality of sensing values, and each sensing value in the second reporting data is greater than or equal to the global comparison value.
In one possible embodiment, determining a global comparison value from the respective sensed values or the respective accumulated amounts of sensed differences includes:
determining the global comparison value according to the product of the maximum value of each sensing value and a first preset coefficient; or
And determining the global comparison value according to the product of the plurality of sensing difference accumulation amounts and a second preset coefficient.
In one possible implementation, the processing component further includes:
a second obtaining module, configured to obtain a preset window parameter, where the preset window parameter is used to determine a target window centered on any sensing value in the first report data, and the target window includes multiple sensing values;
the counting module is connected with the second obtaining module and the third determining module and used for determining the counting number of the sensing values in each target window which are greater than the global comparison value;
and the third reporting module is connected to the counting module and used for determining and sending third reporting data according to each counting number and the preset number, wherein the third reporting data comprises the sensing values in the target window of which the counting number is greater than the preset number.
In one possible embodiment, the window parameter corresponding to each sensing value is positively correlated to the sensing value.
In one possible embodiment, the touch screen further comprises a display assembly including at least one of a liquid crystal display panel, an organic light emitting diode display panel, a quantum dot light emitting diode display panel, a mini light emitting diode display panel, and a micro light emitting diode display panel.
According to an aspect of the present disclosure, an electronic device is provided, which includes the touch-detection pointing device.
In one possible implementation, the electronic device comprises a display, a smartphone, or a portable device.
According to an aspect of the present disclosure, there is provided an electronic device including: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to invoke the memory-stored instructions to perform the above-described method.
According to an aspect of the present disclosure, there is provided a computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the above-described method.
In various aspects of the embodiments of the disclosure, by obtaining a plurality of sensing values of the touch sensing device, determining corresponding window parameters according to the sensing values to determine a window centered on the sensing values, determining a plurality of sensing difference accumulation amounts according to each sensing value and each sensing value in the corresponding window, and obtaining and sending first report data according to each sensing value and the corresponding sensing difference accumulation amount, filtering of non-pressing area sensing values can be achieved, and accuracy of report can be improved to improve accuracy of touch detection.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure. Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the disclosure.
FIG. 1 shows a schematic diagram of a touch screen of an embodiment of the present disclosure.
FIG. 2 shows a flow chart of a touch detection touch point method according to an embodiment of the disclosure.
FIG. 3 shows a flow chart of a touch detection touch point method according to an embodiment of the present disclosure.
Fig. 4a shows a touch detection image obtained by touch detection in the related art, fig. 4b shows a touch detection image obtained using second touch point data, and fig. 4c shows a touch detection image obtained using third touch point data.
FIG. 5 shows a block diagram of a touch-detected touch-up apparatus according to an embodiment of the present disclosure.
FIG. 6 shows a block diagram of a touch-detected touch-up apparatus according to an embodiment of the present disclosure.
FIG. 7 shows a block diagram of an electronic device in accordance with an embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
In the description of the present disclosure, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and, therefore, should not be taken as limiting the present disclosure.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.
In the present disclosure, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the term "at least one" herein means any one of a plurality or any combination of at least two of a plurality, for example, including at least one of A, B, C, and may mean including any one or more elements selected from the group consisting of A, B and C.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.
Application scenarios of various aspects of the embodiments of the present disclosure are exemplarily presented below.
Referring to fig. 1, fig. 1 shows a schematic diagram of a touch screen according to an embodiment of the disclosure.
The touch detection reporting method and device of the embodiment of the disclosure can be applied to the touch screen shown in fig. 1, and as shown in fig. 1, the touch screen may include, from top to bottom, a glass Cover plate (Cover glass) laminating layer such as an OCR/OCA, a Color filter (Color filter), a sensing element, and a TFT (Thin Film Transistor) layer.
The OCA (optical Clear adhesive) is a double-sided adhesive tape without a base material, which is obtained by making an optical acrylic adhesive into a non-base material, and then respectively attaching a layer of release film to an upper bottom layer and a lower bottom layer. OCR (optical Clear resin) is one kind of optical adhesive, and as the glue is in a liquid state, also called as liquid optical adhesive, optical water adhesive or LOCA, the glue is colorless and transparent after being cured, has the characteristics of light transmittance of more than 98%, small curing shrinkage rate, yellowing resistance and the like, and has unique advantages in the fields of large size, curved surface, severe environment and the like compared with the traditional OCA tape in the field of full lamination.
A Color Filter (Color Filter) is an optical Filter for expressing colors, which can precisely select a light wave with a small range of wavelength bands to be passed through, and reflect other bands which are not desired to be passed through, and is usually installed in front of a light source, so that human eyes can receive a saturated Color light.
As shown in fig. 1, the sensing assembly may include a plurality of touch sensors distributed in an array, where the touch sensors may sense a touch of an object (e.g., a finger, etc.) and generate a change in a signal amount, for example, the touch sensors may be of a capacitive type, and when the finger touches the touch sensors, a capacitance of the touch sensors may change.
The description of the background art is combined, when an object presses the touch screen, the screen can deform, wrong report points which are not pressed around cannot be effectively filtered by the related technical scheme, ghost points (report points of a non-pressed area) occur, and the fingers are lifted to have residual points, so that the touch detection accuracy is influenced.
In the touch detection reporting method of the embodiment of the disclosure, the plurality of sensing values of the touch sensing assembly are obtained, the corresponding window parameter is determined according to each sensing value to determine the window centered on the sensing value, the plurality of sensing difference accumulation amounts are determined according to each sensing value and each sensing value in the corresponding window, and the first reporting data is obtained and transmitted according to each sensing value and the corresponding sensing difference accumulation amount, so that the filtering of the sensing values of the non-pressing area can be realized, the reporting accuracy is improved, and the touch detection accuracy is improved.
FIG. 2 shows a flow chart of a touch detection touch point method according to an embodiment of the disclosure.
In some possible implementations, the touch-detected touch-up method may be implemented by a processing component invoking computer-readable instructions stored in a memory. In one example, a processing component includes, but is not limited to, a single processor, or discrete components, or a combination of a processor and discrete components. The processor may comprise a controller having functionality to execute instructions in an electronic device, which may be implemented in any suitable manner, e.g., by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components. Within the processor, the executable instructions may be executed by hardware circuits such as logic gates, switches, Application Specific Integrated Circuits (ASICs), programmable logic controllers, and embedded microcontrollers.
In some possible implementations, the touch detection reporting method may be applied to a terminal device including a touch screen. The terminal device may be a User Equipment (UE), a mobile device, a User terminal, a handheld device, a computing device, or a vehicle-mounted device, and some examples of the terminal device are as follows: a Mobile Phone (Mobile Phone), a tablet computer, a notebook computer, a palm computer, a Mobile Internet Device (MID), a wearable device, a Virtual Reality (VR) device, an Augmented Reality (AR) device, a wireless terminal in Industrial Control (Industrial Control), a wireless terminal in unmanned driving (self driving), a wireless terminal in Remote Surgery (Remote medical Surgery), a wireless terminal in Smart Grid, a wireless terminal in Transportation Safety, a wireless terminal in Smart City (Smart City), a wireless terminal in Smart Home (Smart Home), a wireless terminal in car networking, and the like.
The touch detection pointing method is applied to a touch screen, the touch screen includes a touch sensing assembly including a plurality of touch sensors distributed in an array, the touch sensors are configured to generate sensing values in response to a touch operation, as shown in fig. 2, and the touch detection pointing method includes steps S11 to S14.
Step S11, acquiring a plurality of sensing values of the touch sensing assembly;
step S12, determining a corresponding window parameter according to each sensing value, wherein the window parameter of any sensing value is used to determine a window centered on the sensing value, and the window includes a plurality of sensing values;
step S13, determining a plurality of sensing difference accumulation amounts according to each sensing value and each sensing value in the corresponding window, wherein any sensing difference accumulation amount is the sum of the sensing value difference between the touch sensor corresponding to the sensing value at the center of the window and each sensing value difference between the touch sensors in the window;
step S14, obtaining and sending first reporting data according to each sensing value and the corresponding sensing difference accumulation amount, wherein the first reporting data includes a plurality of sensing values, and each sensing value in the first reporting data is smaller than the corresponding sensing difference accumulation amount.
In one possible implementation, the multiple sensing values obtained by the embodiments of the present disclosure may be distributed in an array, for example, in a matrix form, and each sensing value corresponds to one touch sensor.
In a possible embodiment, the window parameter corresponding to each sensing value is positively correlated to the sensing value, for example, the window parameter may include a size of a window, the size of the window may indicate the number of sensing values included in the window, the window may be in a shape of a rectangle, for example, the window is a rectangle, and a length and a width of the window may be determined according to the size of the window, for example, the size of the window may be determined according to a product of a preset coefficient and the size of the sensing value, and the length and the width of the window may be set according to the size of the window, for example, the preset coefficient may be 1/32.
It should be noted that, since the sensing values of the touch sensors may be different, the window parameters corresponding to the sensing values, that is, the corresponding window sizes, may be different, and in the embodiment of the present disclosure, the window parameters of the sensing values are determined in a self-adaptive manner, so as to implement self-adaptive filtering on the sensing values, improve the pertinence and flexibility of filtering, and improve the accuracy of the obtained report data.
In one example, the window determined according to the window parameter may be as shown in equation 1:
wherein A isi,jRepresenting a window corresponding to the touch sensor, ai,jThe window represents a sensing value corresponding to the touch sensor, the length of the window is 2k, the width of the window is 2n, and i, j, n and k are integers.
The embodiment of the disclosure can adaptively obtain that the window corresponding to each sensing value of the touch sensing assembly has been subjected to adaptive window filtering, thereby improving the accuracy of point reporting and improving the accuracy of touch detection.
In one possible implementation, the step S13 of determining a plurality of sensing difference accumulation amounts according to each sensing value and each sensing value in the corresponding window may include:
and respectively subtracting the sensing value from other sensing values in the corresponding window, and summing the difference values to obtain the sensing difference cumulant corresponding to the sensing value.
For example, the step S13 determines a plurality of sensing difference accumulation amounts according to each sensing value and each sensing value in the corresponding window, which can be obtained by equation 2:
wherein the content of the first and second substances,
represents the sum of the sensed values of all touch sensors within a pane of size 2n x 2k, (2n x 2k) ai,jRepresenting the sensed values of 2n x 2k central touch sensors, i.e. ai,jAnd, Avg _ Ai,jRepresents the sensed value ai,jCorresponding cumulative amounts of sensed differences.
In one possible implementation, the step S14 of obtaining and sending the first reward data according to each sensing value and the corresponding sensing difference accumulation amount may include:
each sensing value is compared with the corresponding sensing difference cumulant, the sensing values of which the sensing values are greater than or equal to the corresponding sensing difference cumulant are filtered, the sensing values smaller than the corresponding sensing difference cumulant are screened out, and the obtained sensing value matrix can be used as first report point data, so that the accuracy of report points can be improved.
Referring to fig. 3, fig. 3 is a flowchart illustrating a touch detection reporting method according to an embodiment of the disclosure.
In one possible embodiment, as shown in fig. 3, the method may further include:
step S21 of determining a global comparison value from each sensed value or each sensed difference accumulated amount;
step S22, comparing each sensing value in the first reporting data with the global comparison value, respectively, and determining and sending second reporting data, where the second reporting data includes a plurality of sensing values, and each sensing value in the second reporting data is greater than or equal to the global comparison value.
According to the embodiment of the disclosure, a global comparison value is determined according to each sensing value or each sensing difference cumulant, each sensing value in the first reporting point data is compared with the global comparison value, and the second reporting point data is determined and sent, so that the sensing values which are misreported in the first reporting point data can be further filtered, and the accuracy of reporting points is further improved.
In one possible implementation, the step S21 of determining a global comparison value according to each sensed value or each accumulated amount of sensed difference may include:
in step S211, the global comparison value is determined according to a product of a maximum value of the sensing values and a first predetermined coefficient.
In an example, the embodiment of the present disclosure may determine the global comparison value by taking the product of the maximum value of the multiple sensing values obtained in step S11 and the first preset coefficient, and the embodiment of the present disclosure does not limit the specific size of the first preset coefficient, and a person skilled in the art may set the global comparison value according to actual situations and needs.
In one possible implementation, the step S21 of determining a global comparison value according to each sensed value or each accumulated amount of sensed difference may include:
in step S212, the global comparison value is determined according to a product of the plurality of sensing difference accumulation amounts and a second preset coefficient.
In one example, the embodiment of the present disclosure may obtain the global comparison value by using a product of a maximum value of the plurality of sensing difference accumulation amounts obtained in step S13 and a second preset coefficient, and the embodiment of the present disclosure does not limit a specific size of the second preset coefficient, and a person skilled in the art may set the value according to actual situations and needs.
In a possible implementation, the step S22 of comparing each sensing value in the first reporting point data with the global comparison value to determine second reporting point data may include:
comparing each sensing value in the first report data with the global comparison value, filtering each sensing value smaller than the global comparison value, screening each sensing value greater than or equal to the global comparison value in the first report data, and taking the screened sensing value matrix as the second report data. Through twice filtering and screening, the embodiment of the disclosure can realize large-area filtering of the sensing value, improve the accuracy of point reporting and improve the accuracy of touch detection.
In one possible embodiment, as shown in fig. 3, the method may further include:
step S31, obtaining a preset window parameter, where the preset window parameter is used to determine a target window centered on any sensing value in the first report data, and the target window includes multiple sensing values;
step S32, determining the statistical number of the sensed values in each target window which are larger than the global comparison value;
step S33, determining and sending third report data according to each statistical number and the preset number, where the third report data includes the sensing values in the target window whose statistical number is greater than the preset number.
According to the embodiment of the disclosure, by acquiring the preset window parameter, determining the target window centered on any sensing value in the first reporting point data (or the second reporting point data), determining the statistical number that the sensing value in each target window is greater than the global comparison value, and determining and sending the third reporting point data according to each statistical number and the preset number, the false reporting sensing value caused by the deformation and other factors of the non-pressing area in the first reporting point data or the second reporting point data can be further filtered, so that the accuracy of reporting points is further improved.
In an example, the preset window parameter of the embodiment of the present disclosure may relate to parameters (such as size, contact area, and the like) of a finger (or other objects), and for different people, the parameters such as the size of the finger are different, and therefore, different people may respectively correspond to different preset window parameters.
In one example, the target window determined according to the preset window parameters may be in a shape of a rectangle or the like, which is described as an example below.
In one example, the target window for each sensed value determined according to the preset window parameters can be as shown in equation 3:
wherein, Bi,jCan represent the sensed value ai,jAnd 2m may represent the width of the target window, and 2e may represent the length of the target window, where i, j, m, and e may all be integers, and m and e may be the preset window parameters or values obtained according to the preset window parameters (such as the size of a finger).
In one example, the embodiment of the present disclosure may compare the sensing values in each target window with the global comparison value, and count a statistical number of the sensing values in each target window that are greater than the global comparison value.
For example, the statistical number of values sensed in each target window that are greater than the global comparison value may be as shown in equation 4:
Ci,j＝count(ai,j< Adj) (i ═ i-m → i + m; j ═ j-e → j + e) equation 4
Wherein, the sensed value a is representedi,jThe sensing value in the corresponding target window is greater than the statistical number of the global comparison value Adj, and count () represents the statistical number, which is not limited in the embodiments of the present disclosure.
In a possible implementation manner, the step S33 of determining and sending the third report point data according to the respective statistical number and the preset number may include:
and comparing the statistical number with a preset number, and if the statistical number is greater than or equal to the corresponding preset number, determining the sensing value corresponding to the target window as the sensing value in the third report data.
Illustratively, the preset number may be related to a preset window parameter, e.g., m, e.
In an example, the preset number may be a half of the number of sensing values in the target window ((2m +1) × (2e +1)/2) or others, and the embodiment of the disclosure is not limited thereto.
In one possible embodiment, as shown in fig. 3, the method may further include:
step S41, determining a touch area according to any one of the first report data, the second report data, and the third report data.
According to the touch area determining method and device, the touch area is determined according to any one of the first report data, the second report data and the third report data, and accuracy of touch detection can be improved.
In one example, any one of the first report point data, the second report point data, and the third report point data of the embodiment of the disclosure may be sent to an application processor, and the application processor may perform a touch determination according to any one of the first report point data, the second report point data, and the third report point data, and determine a touch occurrence position (a position of each touch point), for example, when a user touches a touch screen (e.g., touching, sliding, such as clicking, double clicking, long pressing, sliding, up-down sliding, left-right sliding, etc.), the disclosure may obtain a plurality of sensing values of a touch sensing component in the touch screen, and obtain any one of the first report point data, the second report point data, and the third report point data according to the sensing values, and send the first report point data, the second report point data, and the third report point data to the application processor, Any one of the third report data is transmitted to an application processor, and the application processor performs touch detection using any one of terminal touch point information (touch point coordinates, sensing values) of the first report data, the second report data, and the third report data.
Referring to fig. 4a, 4b, and 4c, fig. 4a illustrates a touch detection image obtained by touch detection in the related art, fig. 4b illustrates a touch detection image obtained using second point data, and fig. 4c illustrates a touch detection image obtained using third point data.
In fig. 4a, 4b, and 4c, the gray points represent normal report points in the touch area, and the black points represent false report points, so that it is clear that the related art cannot effectively filter the false report points, and the second report point data can filter more false report points, thereby improving the accuracy of the report points; and the error report points can be further filtered by utilizing the third report point data, so that the accuracy of report points is further improved. Of course, more false report points can be filtered out by using the first report point data compared with the related art, so as to improve the accuracy of report points, which is not described herein again.
It is understood that the above-mentioned method embodiments of the present disclosure can be combined with each other to form a combined embodiment without departing from the logic of the principle, which is limited by the space, and the detailed description of the present disclosure is omitted. Those skilled in the art will appreciate that in the above methods of the specific embodiments, the specific order of execution of the steps should be determined by their function and possibly their inherent logic.
Referring to fig. 5, fig. 5 is a block diagram of a touch detection reporting apparatus applied to a touch screen according to an embodiment of the present disclosure, as shown in fig. 5, the apparatus (i.e., the touch screen) includes a touch sensing assembly 10 and a processing assembly 20, the touch sensing assembly 10 includes a plurality of touch sensors distributed in an array, the touch sensors are configured to generate sensing values in response to a touch operation, and the processing assembly 20 includes:
a first obtaining module 210, configured to obtain a plurality of sensing values of the touch sensing assembly;
a first determining module 220, connected to the first obtaining module 210, for determining a corresponding window parameter according to each sensing value, wherein the window parameter of any sensing value is used for determining a window centered on the sensing value, and the window includes a plurality of sensing values;
a second determining module 230, connected to the first determining module 220, for determining a plurality of sensing difference accumulation amounts according to each sensing value and each sensing value in the corresponding window, wherein any sensing difference accumulation amount is a sum of a difference value between the touch sensor corresponding to the sensing value at the center of the window and each sensing value of each touch sensor in the window;
the first reporting module 240 is connected to the second determining module 230, and configured to obtain and send first reporting data according to each sensing value and a corresponding sensing difference accumulation amount, where the first reporting data includes a plurality of sensing values, and each sensing value in the first reporting data is smaller than the corresponding sensing difference accumulation amount.
In the touch detection reporting method of the embodiment of the disclosure, the plurality of sensing values of the touch sensing assembly are obtained, the corresponding window parameter is determined according to each sensing value to determine the window centered on the sensing value, the plurality of sensing difference accumulation amounts are determined according to each sensing value and each sensing value in the corresponding window, and the first reporting data is obtained and transmitted according to each sensing value and the corresponding sensing difference accumulation amount, so that the filtering of the sensing values of the non-pressing area can be realized, the reporting accuracy is improved, and the touch detection accuracy is improved.
The implementation manner of each module of the processing assembly 20 is not limited in the embodiments of the present disclosure, and those skilled in the art may implement the embodiments by using dedicated hardware circuits, or by using general hardware circuits (such as a microprocessor, a digital signal processor, etc.) in combination with executable instructions.
Referring to fig. 6, fig. 6 is a block diagram illustrating a touch detection touch point reporting apparatus according to an embodiment of the disclosure.
In one possible implementation, as shown in fig. 6, the processing component may further include:
a third determining module 250, connected to the first obtaining module 210 and the second determining module 230, for determining a global comparison value according to each sensing value or each sensing difference accumulation;
a second reporting module 260, connected to the third determining module 240, configured to compare each sensing value in the first reporting data with the global comparison value, respectively, and determine and send second reporting data, where the second reporting data includes a plurality of sensing values, and each sensing value in the second reporting data is greater than or equal to the global comparison value.
In one possible implementation, determining a global comparison value according to each sensed value or each accumulated amount of sensed difference may include:
determining the global comparison value according to the product of the maximum value of each sensing value and a first preset coefficient; or
And determining the global comparison value according to the product of the plurality of sensing difference accumulation amounts and a second preset coefficient.
In one possible implementation, as shown in fig. 6, the processing component may further include:
a second obtaining module 270, configured to obtain a preset window parameter, where the preset window parameter is used to determine a target window centered on any sensing value in the first report data, and the target window includes multiple sensing values;
a statistic module 280, connected to the second obtaining module 270 and the third determining module 250, for determining a statistic number of the sensed values in each target window being greater than the global comparison value;
the third reporting module 290 is connected to the counting module 280, and configured to determine and send third reporting data according to each counting number and the preset number, where the third reporting data includes sensing values in the target window whose counting number is greater than the preset number.
In one possible embodiment, the window parameter corresponding to each sensing value is positively correlated to the sensing value.
In one possible embodiment, the touch screen further comprises a display assembly including at least one of a liquid crystal display panel, an organic light emitting diode display panel, a quantum dot light emitting diode display panel, a mini light emitting diode display panel, and a micro light emitting diode display panel.
According to the characteristic that a sensor (sensor) with a large area in a pressing area detects a higher measurement value and a sensor with a non-pressing area detects a smaller value, each lifted sensor is compared with the surrounding sensor values through a filtering method for lifting the sensor with the large area of the non-pressing area, so that an area with a larger sensor value is screened out; the sensors with small areas and high ratio are not filtered after the large-area non-pressing area is filtered, the sensors with small areas can cause point reporting (for example, pressing deformation can cause), and whether the sensors with small areas are pressing areas or not is determined by determining the quantity of sensor lifting around the sensors through a filtering method for lifting the sensors with the small-area non-pressing areas, so that the point reporting accuracy and the touch detection accuracy are improved.
According to an aspect of the present disclosure, an electronic device is provided, which includes the touch-detection pointing device.
In one possible implementation, the electronic device comprises a display, a smartphone, or a portable device.
It should be noted that the touch detection reporting apparatus corresponds to the touch detection reporting method, and for a specific introduction, reference is made to the description of the touch detection reporting method, which is not repeated herein.
In some embodiments, functions of or modules included in the apparatus provided in the embodiments of the present disclosure may be used to execute the method described in the above method embodiments, and specific implementation thereof may refer to the description of the above method embodiments, and for brevity, will not be described again here.
Embodiments of the present disclosure also provide a computer-readable storage medium having stored thereon computer program instructions, which when executed by a processor, implement the above-mentioned method. The computer readable storage medium may be a non-volatile computer readable storage medium.
An embodiment of the present disclosure further provides an electronic device, including: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to invoke the memory-stored instructions to perform the above-described method.
The disclosed embodiments also provide a computer program product comprising computer readable code or a non-transitory computer readable storage medium carrying computer readable code, which when run in a processor of an electronic device, the processor in the electronic device performs the above method.
The electronic device may be provided as a terminal or other modality of device.
Referring to fig. 7, fig. 7 is a block diagram of an electronic device according to an embodiment of the disclosure.
For example, the electronic device 800 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, or the like terminal.
Referring to fig. 7, electronic device 800 may include one or more of the following components: processing component 802, memory 804, power component 806, multimedia component 808, audio component 810, input/output (I/O) interface 812, sensor component 814, and communication component 816.
The processing component 802 generally controls overall operation of the electronic device 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 802 may include one or more processors 820 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interaction between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.
The memory 804 is configured to store various types of data to support operations at the electronic device 800. Examples of such data include instructions for any application or method operating on the electronic device 800, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 804 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The power supply component 806 provides power to the various components of the electronic device 800. The power components 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the electronic device 800.
The multimedia component 808 includes a screen that provides an output interface between the electronic device 800 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the electronic device 800 is in an operation mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the electronic device 800 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 also includes a speaker for outputting audio signals.
The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor assembly 814 includes one or more sensors for providing various aspects of state assessment for the electronic device 800. For example, the sensor assembly 814 may detect an open/closed state of the electronic device 800, the relative positioning of components, such as a display and keypad of the electronic device 800, the sensor assembly 814 may also detect a change in the position of the electronic device 800 or a component of the electronic device 800, the presence or absence of user contact with the electronic device 800, orientation or acceleration/deceleration of the electronic device 800, and a change in the temperature of the electronic device 800. Sensor assembly 814 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 814 may also include a light sensor, such as a Complementary Metal Oxide Semiconductor (CMOS) or Charge Coupled Device (CCD) image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 816 is configured to facilitate wired or wireless communication between the electronic device 800 and other devices. The electronic device 800 may access a wireless network based on a communication standard, such as a wireless network (WiFi), a second generation mobile communication technology (2G) or a third generation mobile communication technology (3G), or a combination thereof. In an exemplary embodiment, the communication component 816 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 816 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the electronic device 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer-readable storage medium, such as the memory 804, is also provided that includes computer program instructions executable by the processor 820 of the electronic device 800 to perform the above-described methods.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (14)
1. A touch detection reporting method applied to a touch screen, the touch screen including a touch sensing assembly including a plurality of touch sensors distributed in an array, the touch sensors being configured to generate sensing values in response to a touch operation, the method comprising:
acquiring a plurality of sensing values of the touch sensing assembly;
determining a corresponding window parameter according to each sensing value, wherein the window parameter of any sensing value is used for determining a window with the sensing value as a center, and the window comprises a plurality of sensing values;
determining a plurality of sensing difference accumulation amounts according to each sensing value and each sensing value in the corresponding window, wherein any sensing difference accumulation amount is the sum of the difference value of the touch sensor corresponding to the sensing value at the center of the window and each sensing value of each touch sensor in the window;
and obtaining and sending first report data according to each sensing value and the corresponding sensing difference accumulation amount, wherein the first report data comprises a plurality of sensing values, and each sensing value in the first report data is smaller than the corresponding sensing difference accumulation amount.
2. The method of claim 1, further comprising:
determining a global comparison value from each sensed value or each sensed difference accumulation amount;
and comparing each sensing value in the first reporting point data with the global comparison value respectively, and determining and sending second reporting point data, wherein the second reporting point data comprises a plurality of sensing values, and each sensing value in the second reporting point data is greater than or equal to the global comparison value.
3. The method according to claim 2, wherein determining a global comparison value from the respective sensed value or the respective accumulated amount of sensed differences comprises:
determining the global comparison value according to the product of the maximum value of each sensing value and a first preset coefficient; or
And determining the global comparison value according to the product of the plurality of sensing difference accumulation amounts and a second preset coefficient.
4. A method according to claim 2 or 3, characterized in that the method further comprises:
acquiring a preset window parameter, wherein the preset window parameter is used for determining a target window which takes any sensing value in the first report data as a center, and the target window comprises a plurality of sensing values;
determining the statistical number of the sensed values in each target window which are greater than the global comparison value;
and determining and sending third report point data according to each statistical number and the preset number, wherein the third report point data comprises the sensing values in the target window of which the statistical number is greater than the preset number.
5. The method of claim 4, further comprising:
and determining a touch area according to any one of the first report point data, the second report point data and the third report point data.
6. The method of claim 1, wherein the window parameter corresponding to each sensed value is positively correlated to the sensed value.
7. An apparatus for reporting touch detection, the apparatus being applied to a touch screen, the touch screen including a touch sensing assembly and a processing assembly, the touch sensing assembly including a plurality of touch sensors distributed in an array, the touch sensors being configured to generate sensing values in response to a touch operation, the processing assembly comprising:
a first obtaining module, configured to obtain a plurality of sensing values of the touch sensing assembly;
a first determining module, connected to the first acquiring module, for determining a corresponding window parameter according to each sensing value, wherein the window parameter of any sensing value is used for determining a window centered on the sensing value, and the window includes a plurality of sensing values;
a second determining module, connected to the first determining module, for determining a plurality of sensing difference accumulation amounts according to each sensing value and each sensing value in the corresponding window, wherein any sensing difference accumulation amount is the sum of the sensing value difference between the touch sensor corresponding to the sensing value at the center of the window and each touch sensor in the window;
the first reporting module is connected to the second determining module, and configured to obtain and send first reporting data according to each sensing value and a corresponding sensing difference accumulation amount, where the first reporting data includes a plurality of sensing values, and each sensing value in the first reporting data is smaller than the corresponding sensing difference accumulation amount.
8. The apparatus of claim 7, wherein the processing component further comprises:
a third determining module, connected to the first obtaining module and the second determining module, for determining a global comparison value according to each sensing value or each sensing difference accumulation;
a second reporting module, connected to the third determining module, configured to compare each sensing value in the first reporting data with the global comparison value, and determine and send second reporting data, where the second reporting data includes a plurality of sensing values, and each sensing value in the second reporting data is greater than or equal to the global comparison value.
9. The apparatus of claim 8, wherein determining a global comparison value from the respective sensed values or the respective accumulated amounts of sensed differences comprises:
determining the global comparison value according to the product of the maximum value of each sensing value and a first preset coefficient; or
And determining the global comparison value according to the product of the plurality of sensing difference accumulation amounts and a second preset coefficient.
10. The apparatus of claim 8 or 9, wherein the processing component further comprises:
a second obtaining module, configured to obtain a preset window parameter, where the preset window parameter is used to determine a target window centered on any sensing value in the first report data, and the target window includes multiple sensing values;
the counting module is connected with the second obtaining module and the third determining module and used for determining the counting number of the sensing values in each target window which are greater than the global comparison value;
and the third reporting module is connected to the counting module and used for determining and sending third reporting data according to each counting number and the preset number, wherein the third reporting data comprises the sensing values in the target window of which the counting number is greater than the preset number.
11. The apparatus of claim 7, wherein the window parameter corresponding to each sensing value is positively correlated to the sensing value.
12. The apparatus of claim 7, wherein the touch screen further comprises a display component comprising at least one of a liquid crystal display panel, an organic light emitting diode display panel, a quantum dot light emitting diode display panel, a mini light emitting diode display panel, and a micro light emitting diode display panel.
13. An electronic device, characterized in that it comprises a touch-detected pointing device according to any one of claims 7 to 12.
14. The electronic device of claim 13, wherein the electronic device comprises a display, a smartphone, or a portable device.
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