CN114900174A - Dynamic adjustment method for touch key threshold value and touch key display screen - Google Patents
Dynamic adjustment method for touch key threshold value and touch key display screen Download PDFInfo
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- CN114900174A CN114900174A CN202210627377.4A CN202210627377A CN114900174A CN 114900174 A CN114900174 A CN 114900174A CN 202210627377 A CN202210627377 A CN 202210627377A CN 114900174 A CN114900174 A CN 114900174A
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/9645—Resistive touch switches
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
- H03K2217/9401—Calibration techniques
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Abstract
The invention provides a dynamic adjustment method of touch key threshold value and a touch key display screen, which relate to the technical field of key control and comprise the steps of recording initial conventional data, sequencing the conventional data according to a descending mode to record the conventional numerical values of standard quantity, and records in the standard database, groups the values in the standard database, records the data in the auxiliary database, the new data can be processed and recorded by arranging the secondary database and divided into the standard database, can analyze and record the use data of different users, can quickly adapt to different crowds, so that different users can quickly and accurately start to use, and useless data in the standard database and the auxiliary database can be processed and deleted, the data processing pressure of the data processing unit is reduced, and the data processing efficiency can be improved.
Description
Technical Field
The invention relates to the technical field of key control, in particular to a dynamic adjustment method of a touch key threshold value and a touch key display screen.
Background
The touch screen is the most convenient human-computer interaction mode at present, and a user can operate the touch screen by lightly touching icons or characters on the touch screen with fingers, so that great convenience is brought to the life of people. Because the capacitive touch screen key has the advantages of sensitive reaction speed, space saving and the like, better experience is brought to user operation.
According to the chinese patent No. CN110672262B, a method, an apparatus, a storage medium, and an electronic device for calibrating a pressure key threshold, the provided method for calibrating a pressure key threshold includes: acquiring a plurality of pressing pressure values through a pressure sensor, wherein each pressing pressure value is greater than a first pressure threshold value; sequencing the plurality of pressing pressure values according to the size of each pressing pressure value to obtain a sequencing queue; acquiring an Nth pressing pressure value from the sorting queue according to a preset rule; and calibrating the first pressure threshold value according to the Nth pressing pressure value, wherein in the pressure key threshold value calibration method, the calibrated pressure threshold value is closer to the use habit of the user, so that the pressing operation of the user can be more accurately detected by the pressure key, and the occurrence of misoperation can be reduced.
According to Chinese patent No. CN111934659B, a method and a system for adjusting the key threshold of a display panel, a storage medium and a wire controller. The method comprises the following steps: acquiring a display panel key capacitance value; dividing the display panel key capacitance value into a key touch capacitance value and a static detection capacitance value according to a preset capacitance value boundary value, and storing the key touch capacitance value, the static detection capacitance value and the acquisition time; intercepting the recently generated set number of key touch capacitance values and static detection capacitance values in corresponding time periods after the number of the key touch capacitance values reaches a set number; calculating a display panel key adjustment threshold value according to the recently generated set quantity of key touch capacitance values and static detection capacitance values of corresponding time periods; the display panel keys are provided with threshold values for adjusting the display panel keys. The sensitivity of the display panel keys can be improved according to different use habits and different environmental occasions of users.
The above patent documents and the actual situation on the market have the following technical problems:
1. the touch time and pressure key threshold calibration process in the existing key threshold adjustment mode is to process the use data of a single object, the keys are not independently used by one person for a long time in the use process, the use habits of different persons in use are different, the data dynamic processing process is not timely enough, and the use experience of new users can be influenced by different persons in use.
2. A large amount of use data can be accumulated in the process of calibrating the touch time and the pressure key threshold in the conventional key threshold adjusting mode, the subsequent data processing speed can be influenced by the large amount of accumulated data, and the phenomenon that the key response is blocked due to the large amount of data can easily occur after the key is used for a long time.
Disclosure of Invention
Solves the technical problem
Aiming at the defects of the prior art, the invention provides a dynamic adjustment method of a touch key threshold value and a touch time and key pressing display screen for touch pressing, which solves the following problems:
1. the process of touch time and pressure key threshold calibration in the existing key threshold adjustment mode is to process the use data of a single object, and the dynamic data processing process is not timely enough due to different use habits of different people when the users use the keys, so that the use experience of new users can be influenced when the users use the touch keys for the first time.
2. A large amount of use data can be accumulated in the process of calibrating the touch time and the pressure key threshold in the conventional key threshold adjusting mode, the subsequent data processing speed can be influenced by the large amount of accumulated data, and the phenomenon that the key response is blocked due to the large amount of data can easily occur after the key is used for a long time.
Technical scheme
In order to realize the purpose, the invention is realized by the following technical scheme: a dynamic adjustment method for touch key threshold values is characterized in that a standard database processing method comprises the following steps:
sp1-1, recording initial conventional data, and recording the time of touching the key and the pressure of the key when the key is touched by a user in a conventional use state under the conditions of a standard time value Ts and a standard pressure value Fs;
sp1-2, sorting the conventional data in a descending manner, recording the conventional numerical values of the standard quantity, and recording the conventional numerical values in a standard database;
sp1-3, grouping the values in the standard database, and sorting the data in the data group from small to large;
sp1-4, recording new data after the initial normal data, comparing the new data with the data in the standard database to determine whether the new data is in the range of the standard database, if so, executing the next step, and if not, recording the new data in the auxiliary database;
sp1-5, if the data is in the range of the conventional database, identifying the range of the data group in which the new data is located, and counting the data group;
sp1-6, deleting the data after the counting is finished;
sp1-7, deleting the data group which does not reach the designated times after counting within a certain operation times;
a dynamic adjustment method for touch key threshold values is provided, and the secondary database processing method comprises the following steps:
sp2-1, secondary database data record;
sp2-2, sorting the data in the secondary database, grouping the data, and sorting the data in the data group from small to large;
sp2-3, identifying the range of the data group in which the new data is located, and counting the data group;
sp2-4, recording the data which reaches the designated times after counting within a certain operation times, and dividing the data into standard databases for recording;
sp2-5, and deleting the data which does not reach the designated times after counting within a certain operation times.
Preferably, the setting process of the standard time value Ts and the standard pressure value Fs is as follows:
sp3-1, continuous pressing of power key;
sp3-2, time value for obtaining sample and sample pressure value;
sp3-3, calculating to obtain a standard time value Ts and a standard pressure value Fs;
sp3-4, and setting a standard time value Ts and a standard pressure value Fs.
Preferably, the method for calculating the standard time value Ts and the standard pressure value Fs includes continuously pressing the power key for the corresponding number of times in the initial state of the touch key, recording the sample time value and the sample pressure value when the key is touched for different times, and obtaining the standard value in the initial state by using an average method/median.
Preferably, the touch key includes a voltage detection unit, a pressure detection unit, a data storage unit, and a data processing unit.
Preferably, the voltage detection unit records the touch time when the key is touched by detecting the change conditions of the voltage valve value when the touch key is just touched and the touch key is separated, the pressure detection unit records the pressure value when the key is touched by using the pressure sensor, the data storage unit records the data of the standard database and the auxiliary database, and the data processing unit is a processing module.
Advantageous effects
The invention provides a dynamic adjustment method of a touch key threshold value and a touch key display screen. The method has the following beneficial effects:
1. according to the invention, the standard database and the auxiliary database are matched with the standard value in the initial state for recording, the standard database is used for deeply learning the use habits of users when the touch keys are used in the initial state, the use data is recorded in the standard database, meanwhile, the data which is not in the range of the standard database is recorded in the auxiliary database, the data in the auxiliary database is identified, the new data can be processed and recorded and divided into the standard database by setting the auxiliary database, the use data of different users can be analyzed and recorded, and the quick adaptation can be carried out on different crowds, so that different users can be used more quickly and accurately.
2. The data in the standard database and the data in the auxiliary database are sorted and grouped, the times of the data after the standard database and the auxiliary database are classified and recorded are counted, the data in the standard database and the data in the auxiliary database are screened and deleted by the recording times of the standard database and the auxiliary database, and the screened data in the auxiliary database are supplemented to the standard database, so that useless data in the standard database and the auxiliary database can be processed and deleted, the data processing pressure of a data processing unit is reduced, and the data processing efficiency can be improved.
Drawings
FIG. 1 is a flow chart of a standard database process of the present invention;
FIG. 2 is a flow chart of the process of the secondary database of the present invention;
FIG. 3 is a schematic diagram of a touch key according to the present invention;
FIG. 4 is a schematic diagram of a method for obtaining the standard value according to the present invention;
FIG. 5 is a diagram illustrating a method for calculating a labeled value according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-2, a method for dynamically adjusting a touch key threshold includes:
sp1-1, recording initial conventional data, and recording the time of touching the key and the pressure of the key when the key is touched by a user in a conventional use state under the conditions of a standard time value Ts and a standard pressure value Fs;
sp1-2, sorting the conventional data in a descending manner, recording the conventional numerical values of the standard quantity, and recording the conventional numerical values in a standard database;
after the standard time value Ts and the standard pressure value Fs are obtained, data of a subsequent user in normal use are recorded, the sample capacity of the standard database can be adjusted according to equipment where keys are located, for example, the frequency of using the keys of remote controllers of air conditioners, televisions and the like in the same time is low, the sample capacity can be set to be smaller, for example, the sample capacity of the standard database is 50, the frequency of using the keys of smart phones, tablet computers and the like can also be higher in the same time, and the sample capacity can be set to be smaller, for example, the sample capacity of the standard database is 200.
The standard database is used as a basic database for setting the touch key threshold value, provides a data base for dynamically adjusting the touch key threshold value, and is combined with the auxiliary database to update and perfect data.
Sp1-3, grouping the values in the standard database, and sorting the data in the data group from small to large;
after arranging the data after descending order, when the number of samples of the standard database reaches the accumulated number, for example, 100, the labels (1, 2, 3, 4, 5 … … 100) are arranged in order, and after the arrangement, the data are grouped, for example, the number of groups of the groups is 10, and the sample data of each group are 10 labels (1-10, 11-20, 21-30 … … 91-100) which are respectively in one group.
Sp1-4, recording new data after the initial normal data, comparing the new data with the data in the standard database to determine whether the new data is in the range of the standard database, if so, executing the next step, and if not, recording the new data in the auxiliary database;
and respectively comparing the time value and the pressure value acquired by each key operation after the standard database is fully recorded with the data in the database, executing the next step when the data is within the range of the standard database (for example, when the range between the minimum value and the maximum value of the time in the range of the database is 2ms-30 ms), and summarizing the data to the secondary database if the data is not within the range.
The auxiliary database is used as a supplementary database for setting the touch key threshold value, processes new key data generated in the dynamic adjustment process of the standard database, supplements the data in the standard database, and can ensure that the data in the standard database is updated and improved along with the change of the use environment in the use process.
Sp1-5, if the data is in the range of the conventional database, identifying the range of the data group in which the new data is located, and counting the data group;
the data within the standard database range is identified, the data is identified and compared with the data range of each group, and if the data is within a certain group data range (for example, within the range of the reference numbers 21-30, namely, the group of the reference numbers 21-30 is counted), the group data is counted for the accumulated identification times.
Sp1-6, deleting the data after the counting is finished;
and deleting the data information after the count of the accumulated identification times of the finished data group is finished.
Sp1-7, and deleting the data group which does not reach the designated times after counting within a certain operation times.
If the number of times of operation of the standard database is N, the range of the number of times of operation at this time is N, count the data set between the range of the standard database respectively, when the count of the sub database is full at this time, and count N times again, delete the data set with the lowest count number of times in the standard database, the remaining data set is kept, if the count of the sub database is full, the data of the standard database is more stable and reliable, when different users use or the keys are used for a long time and the phenomena of panel aging, abrasion and warping deformation occur, the changes of the key pressing time and the pressing pressure are easy to occur, so the data of the sub database is easy to be accumulated and full in a short time.
And taking the median of a group of data with the lowest data in the standard database as the threshold value of the key at the moment.
A dynamic adjustment method for touch key threshold values is provided, and the secondary database processing method comprises the following steps:
sp2-1, secondary database data record;
and storing the data which are not in the standard database into the auxiliary database, wherein the sample capacity of the auxiliary database can be adjusted according to the standard database, the sample capacity of the auxiliary database is 1/2 of the sample capacity of the main database after the counting times of the main database reach N times, and if the data quantity of the auxiliary database does not reach the sample capacity, the next cycle is carried out backwards for accumulation until the auxiliary database reaches the sample capacity.
Sp2-2, sorting the data in the secondary database, grouping the data, and sorting the data in the data group from small to large;
after arranging the data arranged in descending order, when the number of samples in the secondary database reaches the accumulated number, for example, 50, the labels (1, 2, 3, 4, 5 … … 50) are arranged in order, and the data are grouped after the arrangement is completed, for example, the number of groups of the groups is 5, and the sample data of each group is 10 labels (1-10, 11-20, 21-30 … … 41-50), and each group is a group.
Sp2-3, identifying the range of the data group in which the new data is located, and counting the data group;
and identifying the data in the range of the secondary database, identifying the data, comparing the data with the data range of each group, counting the accumulated identification times of the group of data when the data is in the range of a certain group of data (for example, when the data is in the range of 11-20, namely counting the groups 11-20), and deleting the data information after the count of the accumulated identification times of the data group is finished.
Sp2-4, recording the data group which reaches the highest number after counting within a certain operation number, and dividing the data into standard databases for recording;
and counting again for N times, identifying the data group with the highest counting frequency in the auxiliary database, reserving the rest data groups, deleting the data group with the lowest counting frequency in the standard database, uploading the data group with the highest counting frequency in the auxiliary database to the standard data group for supplementing, sequencing, recording a new sample time value and a new sample pressure value in a new round of statistics, supplementing the auxiliary database until the auxiliary database is fully accumulated, and reordering for supplementing.
Sp2-5, and deleting the data group data which reaches the highest number after counting.
After the data of the standard database is updated, the standard database is subjected to grouping and sequencing again, and the median of a group of data with the lowest data in the standard database is taken as the threshold value of the key at the moment.
Standard database and vice database cooperation initial condition's standard value are recorded, the standard database is used for carrying out the deep study to user's use habit when touch button uses under initial condition, and will use the data record in the standard database, also record in vice database to the data that is not in the standard database within range simultaneously, data at vice database carry out identification process, can handle the record and divide into the standard database with new data through setting up vice database, can carry out analysis record to different users ' use data, can carry out quick adaptation to different crowds, make different users can be more quick and accurate when using the shang shou.
The data in the standard database and the data in the auxiliary database are sorted and grouped, the times of the data after the standard database and the auxiliary database are classified and recorded are counted, the data in the standard database and the data in the auxiliary database are screened and deleted by the recording times of the standard database and the auxiliary database, and the screened data in the auxiliary database are supplemented to the standard database, so that useless data in the standard database and the auxiliary database can be processed and deleted, the data processing pressure of a data processing unit is reduced, the data processing efficiency can be increased
The second embodiment is as follows:
as shown in fig. 4 and 5, the setting process of the standard time value Ts and the standard pressure value Fs is as follows:
sp3-1, continuous pressing of power key;
sp3-2, time value for obtaining sample and sample pressure value;
sp3-3, calculating to obtain a standard time value Ts and a standard pressure value Fs;
sp3-4, and setting a standard time value Ts and a standard pressure value Fs.
The setting process of the standard time value Ts and the standard pressure value Fs comprises the steps of firstly obtaining a time value and a sample pressure value of a sample through a power key, calculating to obtain the standard time value Ts and the standard pressure value Fs, and then setting the standard time value Ts and the standard pressure value Fs, wherein a large amount of data information needs to be accumulated when data is processed by the conventional method, and the adjustment of a key control threshold value is carried out in the data accumulation process, but when a conventional key remote controller such as an air conditioner, a television and the like is used, the number of times of using keys is low, the data accumulation process is long, the time of a user in a learning state is long, the original data accumulation mode can influence the operation feeling of the user when the user uses, the use experience of the user is reduced, the influence on the brand viscosity of the user is easy to cause, therefore, the initial learning of the pressed value of the key is carried out by pressing the power key or any key, can be convenient for the user tentatively carry out the adaptation with the button, make can pass through between user and the button at the in-process of accumulation study, reduce the uncomfortable sense that the user appears when using in the deep learning in later stage, on the one hand, play certain effect to guaranteeing product quality and user habit analysis, on the other hand, the habit that the user used the display panel probably has changed, if adopt all historical data possible times too long, use for this for the reference and probably produce negative effect to current user, and adopt the mode of pressing power key or arbitrary button to carry out the initial study of the numerical value of pressing of button, then can master the user and use display panel in-process basic numerical value range in the recent period, can not receive the influence of the touch habit of abandoning too early again.
The method for calculating the standard time value Ts and the standard pressure value Fs comprises the steps of continuously pressing a power key corresponding to times in the initial state of a touch key, recording sample time values and sample pressure values when the key is touched under the condition of different times, preferentially selecting odd number of times for continuously pressing the power key in the initial state according to the use condition, carrying out key setting in the activated state of a product when a key display screen with the pressure-sensitive display screen is used for the first time, recording sample time values T1, T2, T3 … … and sample pressure values F1, F2 and F3 … … in the three-time or multiple-pressing state when a user operates for three times or multiple times, analyzing the sample time value and the sample pressure value, and setting a difference range parameter of the sample time value and the sample pressure value in the initial state, for example, when the difference between the sample time values is 30ms and the difference between the sample pressure values is 2N (newton), when the difference between the maximum value and the minimum value in the parameters of the sample time values T1, T2, T3 … … and the sample pressure values F1, F2, and F3 … … is within 30ms and 2N, since the fluctuation of the parameters at this time of the sample time values and the sample pressure values is small, it can be said that the state of pressing the power key in the initial state is stable, at this time, the values of the sample time values T1, T2, T3 … … and the sample pressure values F1, F2, and F3 … … can be respectively calculated by taking an average value, and when the difference between the maximum value and the minimum value in the parameters of the sample time values T1, T2, T3 … … and the sample pressure values F1, F2, and F3 … … exceeds 30ms and 2N, because the parameter fluctuation of the sample time value and the sample pressure value is large at this time, the description can show that the state of pressing the power key in the initial state is unstable, the sample time value and the sample pressure value at this time are lowest or highest values due to factors such as false touch or improper operation, the values of the sample time value T1, T2, T3 … … and the sample pressure values F1, F2 and F3 … … can be respectively calculated in a median mode at this time, the abnormal parameters in the sample time value and the sample pressure value can be removed in the median mode, the standard time value Ts and the standard pressure value Fs are obtained after the calculation is completed, after the standard time value Ts and the standard pressure value Fs are obtained through the average value or the median, the standard time value Ts and the standard pressure value Fs are used as the trigger threshold value of the key, and the key can be accurately identified by using the standard time value Ts and the standard pressure value Fs in a combined mode, meanwhile, the phenomenon of mistaken touch in use can be reduced.
The third concrete embodiment:
referring to fig. 2-3, the touch key includes a voltage detection unit, a pressure detection unit, a data storage unit and a data processing unit, the voltage detection unit records the touch time when the touch key is touched by detecting the change of the voltage value when the touch key is just touched and separated from the touch key, the voltage value of the piezoresistor changes when the key is pressed, the voltage on the piezoresistor changes accordingly, the time range when the key is pressed can be recorded by recording the change of the pressure, so as to generate a corresponding electrical signal, the pressure detection unit records the pressure value when the touch key is touched by using the pressure sensor, the pressure detection unit can include one or more piezoresistors R, when the piezoresistor receives the pressure, the resistance value of the piezoresistor changes, the voltage on the piezoresistor changes accordingly, so as to generate a corresponding electrical signal, the data processing unit is a processing module and is used for processing data recorded by the keys and comprises a power amplifier PGA, an analog-to-digital converter ADC, a micro control unit MCU and a processor AP which are sequentially connected, electric signals generated by the pressure sensor are sequentially processed by the PGA, the ADC and the MCU and then transmitted to the processor AP, and the AP responds to the processed electric signals.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A dynamic adjustment method for touch key threshold values is characterized in that a standard database processing method comprises the following steps:
sp1-1, recording initial conventional data, and recording the time of touching the key and the pressure of the key when the key is touched by a user in a conventional use state under the conditions of a standard time value Ts and a standard pressure value Fs;
sp1-2, sorting the conventional data in a descending manner, recording the conventional numerical values of the standard quantity, and recording the conventional numerical values in a standard database;
sp1-3, grouping the values in the standard database, and sorting the data in the data group from small to large;
sp1-4, recording new data after the initial normal data, comparing the new data with the data in the standard database to determine whether the new data is in the range of the standard database, if so, executing the next step, and if not, recording the new data in the auxiliary database;
sp1-5, if the data is in the range of the conventional database, identifying the range of the data group in which the new data is located, and counting the data group;
sp1-6, deleting the data after the counting is finished;
sp1-7, deleting the data group which does not reach the designated times after counting within a certain operation times;
a dynamic adjustment method for touch key threshold values is provided, and the secondary database processing method comprises the following steps:
sp2-1, secondary database data record;
sp2-2, sorting the data in the secondary database, grouping the data, and sorting the data in the data group from small to large;
sp2-3, identifying the range of the data group in which the new data is located, and counting the data group;
sp2-4, recording the data which reaches the designated times after counting within a certain operation times, and dividing the data into standard databases for recording;
sp2-5, and deleting the data which does not reach the designated times after counting within a certain operation times.
2. The method for dynamically adjusting the touch key threshold value and the touch key display screen according to claim 1, wherein: the setting process of the standard time value Ts and the standard pressure value Fs comprises the following steps:
sp3-1, continuous pressing of power key;
sp3-2, time value for obtaining sample and sample pressure value;
sp3-3, calculating to obtain a standard time value Ts and a standard pressure value Fs;
sp3-4, and setting a standard time value Ts and a standard pressure value Fs.
3. The method for dynamically adjusting the touch key threshold value and the touch key display screen according to claim 1, wherein: the method for calculating the standard time value Ts and the standard pressure value Fs comprises the steps of continuously pressing a power key in the initial state of the touch key, recording sample time values and sample pressure values when the key is touched for different times, and obtaining a standard value in the initial state through an average method/median.
4. The method for dynamically adjusting the touch key threshold value and the touch key display screen according to claim 1, wherein: the touch key comprises a voltage detection unit, a pressure detection unit, a data storage unit and a data processing unit.
5. The method for dynamically adjusting touch key threshold value and the touch key display screen according to claim 4, wherein the voltage detection unit records the touch time when the touch key is touched by detecting the change condition of the voltage valve value when the touch key is just touched and the touch key is away from, the pressure detection unit records the pressure value when the touch key is touched by using a pressure sensor, the data storage unit records the data of the standard database and the auxiliary database, and the data processing unit is a processing module.
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| CN117112506B (en) * | 2023-10-25 | 2024-01-12 | 湖南云档信息科技有限公司 | Multimedia archive application method, system and storage medium |
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