CN117215439A - Touch coordinate determination method and device and electronic equipment - Google Patents
Touch coordinate determination method and device and electronic equipment Download PDFInfo
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- CN117215439A CN117215439A CN202311051649.1A CN202311051649A CN117215439A CN 117215439 A CN117215439 A CN 117215439A CN 202311051649 A CN202311051649 A CN 202311051649A CN 117215439 A CN117215439 A CN 117215439A
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Abstract
The embodiment of the invention provides a touch coordinate determining method, a touch coordinate determining device and electronic equipment, wherein the method comprises the following steps: acquiring a touch data set corresponding to the touch signal; the touch data set comprises touch point coordinates when the touch screen is continuously touched and touch time corresponding to the touch point coordinates; determining whether the touch signal corresponds to one touch according to the magnitude relation between the touch time and the preset touch coordinate conversion time; if yes, calculating the discrete degree of the touch data set; checking whether the touch signal is corresponding to one touch according to the magnitude relation between the discrete degree and a preset discrete threshold value; if so, determining touch coordinates corresponding to the touch signals according to the touch data set. The method can be applied to the touch screen with larger pattern size of the capacitive sensor, so that the production cost is reduced, and meanwhile, the positioning accuracy of touch coordinates is improved through judging the touch times of touch signals.
Description
Technical Field
The present invention relates to the field of touch screens, and in particular, to a method and an apparatus for determining touch coordinates, and an electronic device.
Background
Currently, when a user performs touch control on a touch screen, the user's touch operation may be regarded as a single click operation on the touch screen, which may be further regarded as a dot group pattern until reaching a steady state.
In the prior art, in order to avoid that the operation shake of a user on a touch screen affects the positioning accuracy of touch screen coordinates, the positioning accuracy of the user on the touch screen operation is generally improved by modifying the pattern size of a capacitive sensor and by using a smaller pattern of the capacitive sensor, however, the manufacturing cost of the touch screen is increased by the method.
In general, a touch panel manufactured by the conventional touch coordinate determination method has a problem of high manufacturing cost on one hand and a problem of low touch coordinate positioning accuracy on the other hand.
Disclosure of Invention
The invention aims to provide a touch coordinate determining method, a touch coordinate determining device and an electronic device, so as to solve the current situation that the cost is increased due to the fact that the pattern size of a capacitive sensor is reduced in order to ensure the determination accuracy of touch coordinates in the prior art, and the problem that the touch coordinate positioning accuracy is low due to the fact that the pattern size of the capacitive sensor is large, and further the touch coordinate positioning accuracy is increased while the manufacturing cost of a touch screen is reduced.
In a first aspect, an embodiment of the present invention provides a method for determining touch coordinates, where the method includes: acquiring a touch data set corresponding to the touch signal; the touch data set comprises touch point coordinates when the touch screen is continuously touched and touch time corresponding to the touch point coordinates; determining whether the touch signal corresponds to one touch according to the magnitude relation between the touch time and the preset touch coordinate conversion time; if yes, calculating the discrete degree of the touch data set; checking whether the touch signal is corresponding to one touch according to the magnitude relation between the discrete degree and a preset discrete threshold value; if so, determining touch coordinates corresponding to the touch signals according to the touch data set.
In a preferred embodiment of the present invention, the step of determining whether the touch signal corresponds to a touch according to the magnitude relation between the touch time and a preset touch coordinate conversion time includes: and if the touch time corresponding to the touch data set is smaller than or equal to the preset touch coordinate conversion time, determining that the touch signal corresponds to one touch.
In a preferred embodiment of the present invention, the preset touch coordinate conversion time is 100ms.
In a preferred embodiment of the present invention, the step of checking whether the touch signal corresponds to a touch according to the magnitude relation between the discrete degree and a preset discrete threshold value includes: and if the discrete degree is smaller than the preset discrete threshold value, checking that the touch signal corresponds to one touch.
In a preferred embodiment of the present invention, the step of determining the touch coordinates corresponding to the touch signal according to the touch data set includes: screening center coordinate data closest to the center of the touch data set from the discrete coordinate data of the touch data set; and determining the center coordinate data as touch coordinates corresponding to the touch signals.
In a preferred embodiment of the present invention, the step of determining whether the touch signal corresponds to a touch according to the magnitude relation between the touch time and a preset touch coordinate conversion time includes: if the touch time corresponding to the touch data set is greater than the preset touch coordinate conversion time, determining that the touch signal corresponds to secondary touch; the step of determining the touch coordinates corresponding to the touch signals according to the touch data set includes: and respectively calculating touch coordinates corresponding to the secondary touch according to the touch data set.
In a preferred embodiment of the present invention, before the step of checking whether the touch signal corresponds to a touch according to the magnitude relation between the discrete degree and a preset discrete threshold, the method further includes: acquiring the resolution of the touch screen and the size of a visible area; and determining the preset discrete threshold according to the resolution and the size of the visible area.
In a second aspect, an embodiment of the present invention provides a touch coordinate determining apparatus, including: the data acquisition module is used for acquiring a touch data set corresponding to the touch signal; the touch data set comprises touch point coordinates when the touch screen is continuously touched and touch time corresponding to the touch point coordinates; the touch frequency judging module is used for determining whether the touch signal corresponds to one touch or not according to the magnitude relation between the touch time and the preset touch coordinate conversion time; the discrete degree calculating module is used for calculating the discrete degree of the touch data set if the touch data set is the discrete degree; the touch frequency judging module is also used for checking whether the touch signal corresponds to one touch or not according to the magnitude relation between the discrete degree and a preset discrete threshold value; and the coordinate determining module is used for determining the touch coordinates corresponding to the touch signals according to the touch data set if the touch signals are the touch signals.
In a third aspect, an embodiment of the present invention provides an electronic device, where the electronic device includes a processor and a memory, where the memory stores computer executable instructions that can be executed by the processor, where the processor executes the computer executable instructions to implement the touch coordinate determining method according to any one of the sixth possible implementation manners of the first aspect to the first aspect.
In a fourth aspect, an embodiment of the present invention provides a computer readable storage medium, on which a computer program is stored, where the program is executed by a processor to implement the touch coordinate determining method according to any one of the sixth possible implementation manners of the first aspect to the first aspect.
The invention has the following beneficial technical effects:
the embodiment of the invention provides a touch coordinate determining method, a touch coordinate determining device and electronic equipment, wherein the method comprises the following steps: acquiring a touch data set corresponding to the touch signal; the touch data set comprises touch point coordinates when the touch screen is continuously touched and touch time corresponding to the touch point coordinates; determining whether the touch signal corresponds to one touch according to the magnitude relation between the touch time and the preset touch coordinate conversion time; if yes, calculating the discrete degree of the touch data set; checking whether the touch signal is corresponding to one touch according to the magnitude relation between the discrete degree and a preset discrete threshold value; if so, determining touch coordinates corresponding to the touch signals according to the touch data set. The method can be applied to the touch screen with larger pattern size of the capacitive sensor, so that the production cost is reduced, and meanwhile, the positioning accuracy of touch coordinates is improved through judging the touch times of touch signals.
Additional features and advantages of the present embodiments will be set forth in the description which follows, or in part will be obvious from the description, or may be learned by practice of the techniques of the present disclosure.
The foregoing objects, features and advantages of the disclosure will be more readily apparent from the following detailed description of the preferred embodiments taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a touch coordinate determining method according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating another touch coordinate determining method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a touch coordinate determining apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Icon: 31-a data acquisition module; 32-a touch frequency judging module; 33-a discrete degree calculation module; 34-a coordinate determination module; 41-memory; 42-a processor; 43-bus; 44-communication interface.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Currently, when a user performs touch control on a touch screen, the user's finger may be regarded as performing a single click operation on the touch screen, which may be further regarded as a dot group form until reaching a steady state. In the prior art, in order to avoid that the operation shake of a user on a touch screen affects the positioning accuracy of touch screen coordinates, the positioning accuracy of the user on the touch screen operation is generally improved by modifying the pattern size of a capacitive sensor and by using a smaller pattern of the capacitive sensor, however, the manufacturing cost of the touch screen is increased by the method. In general, a touch panel manufactured by the conventional touch coordinate determination method has a problem of high manufacturing cost on one hand and a problem of low touch coordinate positioning accuracy on the other hand.
Based on the above, the embodiment of the invention provides a method, a device and an electronic device for determining touch coordinates, wherein the method can be applied to a touch screen with a larger pattern size of a capacitive sensor so as to reduce production cost, and meanwhile, the positioning accuracy of the touch coordinates is increased through judging the touch times of touch signals. For the convenience of understanding the embodiments of the present invention, a detailed description will be given of a touch coordinate determining method disclosed in the embodiments of the present invention.
Example 1
Fig. 1 is a flowchart of a touch coordinate determining method according to an embodiment of the present invention. As seen in fig. 1, the method comprises the steps of:
step S101: acquiring a touch data set corresponding to the touch signal; the touch data set includes touch point coordinates when the touch screen is continuously touched and touch time corresponding to the touch point coordinates.
In this embodiment, a capacitive sensor is built in the touch screen to acquire a touch signal of the touch screen through the capacitive sensor.
Step S102: and determining whether the touch signal corresponds to one touch according to the magnitude relation between the touch time and the preset touch coordinate conversion time.
Here, the touch screen samples the touch signal, which is typically at a frequency of 60HZ-120HZ. Further, the preset touch coordinate conversion time is used for indicating time from one click of the user to conversion of coordinates at the operation level of the touch screen. Further, the preset touch coordinate conversion time is 100ms.
Step S103: if so, the degree of dispersion of the touch data set is calculated.
In this embodiment, when the clicking operation of the touch screen is enlarged to the millimeter scale, a dot group formed by 6-12 dots is formed on the touch screen from the start of touching the finger to the stable touching of the finger, and then the finger shakes until reaching the steady state, and the radius of the dot group is 0.5-1.5mm, so that the degree of dispersion of the touch data set needs to be calculated to determine the touch coordinates corresponding to the touch signals.
Step S104: and checking whether the touch signal corresponds to one touch according to the magnitude relation between the discrete degree and a preset discrete threshold value.
Step S105: if so, determining touch coordinates corresponding to the touch signals according to the touch data set.
In actual operation, the touch coordinate determining method is applied to a touch screen IC, and the size of a capacitive sensor pattern of a touch screen connected to the touch screen IC is greater than 6mm by 6mm.
The embodiment of the invention provides a touch coordinate determining method, which comprises the following steps: acquiring a touch data set corresponding to the touch signal; the touch data set comprises touch point coordinates when the touch screen is continuously touched and touch time corresponding to the touch point coordinates; determining whether the touch signal corresponds to one touch according to the magnitude relation between the touch time and the preset touch coordinate conversion time; if yes, calculating the discrete degree of the touch data set; checking whether the touch signal is corresponding to one touch according to the magnitude relation between the discrete degree and a preset discrete threshold value; if so, determining touch coordinates corresponding to the touch signals according to the touch data set. The method can be applied to the touch screen with larger pattern size of the capacitive sensor, so that the production cost is reduced, and meanwhile, the positioning accuracy of touch coordinates is improved through judging the touch times of touch signals.
Example 2
Fig. 2 is a schematic flow chart of another touch coordinate determining method according to an embodiment of the present invention based on embodiment 1.
As seen in fig. 2, the method comprises the steps of:
step S201: acquiring a touch data set corresponding to the touch signal; the touch data set includes touch point coordinates when the touch screen is continuously touched and touch time corresponding to the touch point coordinates.
In this embodiment, a touch screen has a contact sensor built therein to acquire a touch signal of the touch screen through the contact sensor.
Step S202: and if the touch time corresponding to the touch data set is smaller than or equal to the preset touch coordinate conversion time, determining that the touch signal corresponds to one touch.
Step S203: the degree of dispersion of the touch data set is calculated.
In this embodiment, when the clicking operation of the touch screen is enlarged to the millimeter scale, from the time of starting touching by the finger to the time of stable touching by the finger, and the subsequent shaking of the finger touching the touch screen by the finger, a dot group of 6-12 dots is formed on the touch screen, and the radius of the dot group is 0.5-1.5mm, so that the degree of dispersion of the touch data set needs to be calculated.
Step S204: and checking whether the touch signal corresponds to one touch according to the magnitude relation between the discrete degree and a preset discrete threshold value.
In actual operation, before the step S204, the method further includes: acquiring the resolution of the touch screen and the size of a visible area; and determining the preset discrete threshold according to the resolution and the size of the visible area.
Here, if the degree of dispersion is smaller than the preset dispersion threshold value, the touch signal is checked to be a touch.
Step S205: if so, determining touch coordinates corresponding to the touch signals according to the touch data set.
In one embodiment, the step S205 includes: screening center coordinate data closest to the center of the touch data set from the discrete coordinate data of the touch data set; and determining the center coordinate data as touch coordinates corresponding to the touch signals.
In another embodiment, if the touch time corresponding to the touch data set is greater than the preset touch coordinate conversion time, determining that the touch signal corresponds to a secondary touch; the step S205 includes: and respectively calculating touch coordinates corresponding to the secondary touch according to the touch data set.
The embodiment of the invention provides a touch coordinate determining method, which comprises the following steps: acquiring a touch data set corresponding to the touch signal; the touch data set comprises touch point coordinates when the touch screen is continuously touched and touch time corresponding to the touch point coordinates; if the touch time corresponding to the touch data set is less than or equal to the preset touch coordinate conversion time, determining that the touch signal corresponds to one touch; calculating the degree of dispersion of the touch data set; checking whether the touch signal is corresponding to one touch according to the magnitude relation between the discrete degree and a preset discrete threshold value; if so, determining touch coordinates corresponding to the touch signals according to the touch data set. The method can be applied to the touch screen with larger pattern size of the capacitive sensor, so that the production cost is reduced, and meanwhile, the positioning accuracy of the touch coordinates is further improved through the preset touch coordinate conversion time and the judgment of the touch times of the discrete threshold value on the touch signals.
Example 3
Fig. 3 is a schematic structural diagram of a touch coordinate determining apparatus according to an embodiment of the present invention. As seen in fig. 3, the apparatus comprises:
a data acquisition module 31, configured to acquire a touch data set corresponding to the touch signal; the touch data set includes touch point coordinates when the touch screen is continuously touched and touch time corresponding to the touch point coordinates.
The touch number judging module 32 is configured to determine whether the touch signal corresponds to a touch according to the magnitude relation between the touch time and the preset touch coordinate conversion time.
The discrete degree calculating module 33 is configured to calculate the discrete degree of the touch data set if the discrete degree is the discrete degree.
The touch number judging module 32 is further configured to check whether the touch signal corresponds to a touch according to the magnitude relation between the discrete degree and a preset discrete threshold.
And the coordinate determining module 34 is configured to determine, if yes, a touch coordinate corresponding to the touch signal according to the touch data set.
The data acquisition module 31, the touch number judgment module 32, the discrete degree calculation module 33, and the coordinate determination module 34 are sequentially connected.
In one embodiment, the touch number determining module 32 is further configured to determine that the touch signal corresponds to a touch if the touch time corresponding to the touch data set is less than or equal to the preset touch coordinate conversion time.
In one embodiment, the touch number determining module 32 is further configured to check that the touch signal corresponds to a touch if the degree of dispersion is less than the preset dispersion threshold value.
In one embodiment, the coordinate determining module 34 is further configured to screen out center coordinate data closest to the center of the touch data set from the discrete coordinate data of the touch data set; and determining the center coordinate data as touch coordinates corresponding to the touch signals.
In one embodiment, the touch number judging module 32 is further configured to determine that the touch signal corresponds to a secondary touch if the touch time corresponding to the touch data set is greater than the preset touch coordinate conversion time; the coordinate determining module 34 is further configured to calculate touch coordinates corresponding to the secondary touches according to the touch data set.
In one embodiment, the touch number judging module 32 is further configured to obtain the resolution of the touch screen and the size of the visible area; and determining the preset discrete threshold according to the resolution and the size of the visible area.
The touch coordinate determining device provided by the embodiment of the invention has the same technical characteristics as the touch coordinate determining method provided by the embodiment, so that the same technical problems can be solved, and the same technical effects can be achieved. It will be clear to those skilled in the art that, for convenience and brevity of description, reference may be made to the corresponding process in the foregoing method embodiment for the specific working process of the apparatus described above, which is not described herein again.
Example 4
The present embodiment provides an electronic device including a processor and a memory storing computer-executable instructions executable by the processor to perform steps of a touch coordinate determination method.
Referring to fig. 4, a schematic structural diagram of an electronic device includes: the processor 41 and the memory 42 store a computer program executable on the processor 41, and the processor executes the computer program to implement the steps provided by the touch coordinate determination method.
As shown in fig. 4, the apparatus further includes: a bus 43 and a communication interface 44, the processor 41, the communication interface 44 and the memory 42 being connected by the bus 43; the processor 41 is arranged to execute executable modules, such as computer programs, stored in the memory 42.
The memory 42 may include a high-speed random access memory (RAM, random Access Memory), and may further include a non-volatile memory (non-volatile memory), such as at least one magnetic disk memory. The communication connection between the system network element and at least one other network element is implemented via at least one communication interface 44 (which may be wired or wireless), which may use the internet, a wide area network, a local network, a metropolitan area network, etc.
The bus 43 may be an ISA bus, a PCI bus, an EISA bus, or the like. The buses may be divided into address buses, data buses, control buses, etc. For ease of illustration, only one bi-directional arrow is shown in FIG. 4, but not only one bus or type of bus.
The memory 42 is used for storing a program, and the processor 41 executes the program after receiving the execution instruction, and any of the embodiments of the present invention described above reveals that the method executed by the touch coordinate determining apparatus may be applied to the processor 41 or implemented by the processor 41. The processor 41 may be an integrated circuit chip with signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in the processor 41 or by instructions in the form of software. The processor 41 may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU for short), a network processor (Network Processor, NP for short), and the like; but may also be a digital signal processor (Digital Signal Processing, DSP for short), application specific integrated circuit (Application Specific Integrated Circuit, ASIC for short), off-the-shelf programmable gate array (Field-Programmable Gate Array, FPGA for short), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory 42 and the processor 41 reads information in the memory 42 and in combination with its hardware performs the steps of the method described above.
Claims (10)
1. A method for determining touch coordinates, the method comprising:
acquiring a touch data set corresponding to the touch signal; the touch data set comprises touch point coordinates when the touch screen is continuously touched and touch time corresponding to the touch point coordinates;
determining whether the touch signal corresponds to one touch or not according to the magnitude relation between the touch time and the preset touch coordinate conversion time;
if yes, calculating the discrete degree of the touch data set;
checking whether the touch signal is corresponding to one touch or not according to the magnitude relation between the discrete degree and a preset discrete threshold value;
and if so, determining touch coordinates corresponding to the touch signals according to the touch data set.
2. The method for determining touch coordinates according to claim 1, wherein the step of determining whether the touch signal corresponds to a touch according to a magnitude relation between the touch time and a preset touch coordinate conversion time includes:
and if the touch time corresponding to the touch data set is smaller than or equal to the preset touch coordinate conversion time, determining that the touch signal corresponds to one touch.
3. The touch coordinate determination method according to claim 2, wherein the preset touch coordinate conversion time is 100ms.
4. The touch coordinate determining method according to claim 2, wherein the step of checking whether the touch signal corresponds to a touch according to the magnitude relation between the degree of dispersion and a preset discrete threshold value comprises:
and if the discrete degree is smaller than the preset discrete threshold value, checking that the touch signal corresponds to one touch.
5. The touch coordinate determination method according to claim 1, wherein the step of determining touch coordinates corresponding to the touch signal from the touch data group includes:
screening center coordinate data closest to the center of the touch data set from the discrete coordinate data of the touch data set;
and determining the center coordinate data as touch coordinates corresponding to the touch signals.
6. The method for determining touch coordinates according to claim 1, wherein the step of determining whether the touch signal corresponds to a touch according to a magnitude relation between the touch time and a preset touch coordinate conversion time includes:
if the touch time corresponding to the touch data set is greater than the preset touch coordinate conversion time, determining that the touch signal corresponds to secondary touch;
and determining touch coordinates corresponding to the touch signals according to the touch data set, wherein the step comprises the following steps of:
and respectively calculating touch coordinates corresponding to the secondary touch according to the touch data set.
7. The method according to claim 1, wherein before the step of checking whether the touch signal corresponds to a touch according to the magnitude relation between the degree of dispersion and a preset dispersion threshold value, the method further comprises:
acquiring the resolution of the touch screen and the size of a visible area;
and determining the preset discrete threshold according to the resolution and the size of the visible region.
8. A touch coordinate determination apparatus, comprising:
the data acquisition module is used for acquiring a touch data set corresponding to the touch signal; the touch data set comprises touch point coordinates when the touch screen is continuously touched and touch time corresponding to the touch point coordinates;
the touch frequency judging module is used for determining whether the touch signal corresponds to one touch or not according to the magnitude relation between the touch time and the preset touch coordinate conversion time;
the discrete degree calculating module is used for calculating the discrete degree of the touch data set if the touch data set is the discrete degree;
the touch frequency judging module is also used for rechecking whether the touch signal corresponds to one touch or not according to the magnitude relation between the discrete degree and a preset discrete threshold value;
and the coordinate determining module is used for determining the touch coordinates corresponding to the touch signals according to the touch data set if the touch signals are the touch signals.
9. An electronic device comprising a processor and a memory, the memory storing computer-executable instructions executable by the processor, the processor executing the computer-executable instructions to implement the touch coordinate determination method of any of claims 1-7.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the program, when executed by a processor, implements the touch coordinate determination method of any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311051649.1A CN117215439A (en) | 2023-08-18 | 2023-08-18 | Touch coordinate determination method and device and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311051649.1A CN117215439A (en) | 2023-08-18 | 2023-08-18 | Touch coordinate determination method and device and electronic equipment |
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| CN117215439A true CN117215439A (en) | 2023-12-12 |
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| CN202311051649.1A Pending CN117215439A (en) | 2023-08-18 | 2023-08-18 | Touch coordinate determination method and device and electronic equipment |
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