CN117555443A - Touch screen writing detection analysis method - Google Patents

Touch screen writing detection analysis method Download PDF

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Publication number
CN117555443A
CN117555443A CN202410044595.4A CN202410044595A CN117555443A CN 117555443 A CN117555443 A CN 117555443A CN 202410044595 A CN202410044595 A CN 202410044595A CN 117555443 A CN117555443 A CN 117555443A
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touch screen
writing
finger
detection
writing detection
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CN117555443B (en
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潘华平
张军昌
潘明
黄银山
吴累
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Jiangsu Nadia Electronic Technology Co ltd
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Jiangsu Nadia Electronic Technology Co ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/22Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/2247Verification or detection of system hardware configuration
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/22Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/2273Test methods
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412Digitisers structurally integrated in a display
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means

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

Abstract

The invention belongs to the technical field of touch screen writing detection and relates to a touch screen writing detection and analysis method. The invention is beneficial to accurately obtaining the defects and shortages of the touch screen in the writing process by analyzing the display definition of each touch screen to be written and detected, and is beneficial to finding the problems and shortages of the touch screen on each writing mode by analyzing the writing content recognition rate, the writing process smoothness and the writing content attractiveness of each finger writing and detecting touch screen, each capacitance pen writing and detecting touch screen and each impedance pen writing and detecting touch screen, and is beneficial to improving the writing accuracy, smoothness and attractiveness, further improving and innovating the touch screen writing technology, improving the satisfaction of users to a certain extent and being beneficial to obtaining the optimal writing mode of the touch screen by analyzing the writing evaluation coefficients of the finger writing and detecting touch screen, the capacitance pen writing and the impedance pen writing and detecting touch screen.

Description

Touch screen writing detection analysis method
Technical Field
The invention belongs to the technical field of touch screen writing detection and relates to a touch screen writing detection and analysis method.
Background
Touch screen writing is a man-machine interaction mode, and writing input is performed through the touch screen. The basic principle is that a sensor array of a touch screen is utilized to detect the contact position of a finger or a touch pen with the screen, the contact position is converted into a digital signal, and then the digital signal is processed and identified by a processor. With the development of modern technologies, people have an increasing demand for human-computer interaction, and it is desired to interact with electronic devices in a more natural and intuitive manner. By analyzing the writing detection of the touch screen, the writing behavior and habit of the user can be deeply known, so that the response speed, writing smoothness and other performances of the touch screen are optimized. Therefore, the writing detection system for the touch screen has important significance.
The existing writing detection system for the touch screen mainly monitors and analyzes the accuracy, fluency and the like of the writing of the touch screen, and further evaluates and optimizes the performance of the touch screen.
However, the existing writing detection system for the touch screen does not analyze the display quality of the touch screen before writing detection, so that the situation that the display definition of writing is affected due to the problem of the display quality of the touch screen may exist, and the defects and the shortages of the touch screen in the writing process cannot be accurately obtained.
The conventional writing detection system for the touch screen does not carry out writing detection on the touch screen from multiple angles such as finger writing, capacitive pen writing, impedance pen and the like, so that the problem and the defect of the touch screen on each writing mode cannot be found, further improvement and innovation of the touch screen writing technology are not facilitated, and the optimal writing mode of the touch screen cannot be obtained.
Disclosure of Invention
In view of this, in order to solve the problems set forth in the above background art, a touch screen writing detection analysis method is proposed.
The aim of the invention can be achieved by the following technical scheme: the invention provides a touch screen writing detection analysis method, which comprises the following steps: s1, monitoring the quality of a touch screen: and acquiring display quality data of each touch screen to be written and detected.
S2, touch screen quality analysis: analyzing the display definition of each touch screen to be written and detected, comparing the display definition with a predefined display definition threshold, screening to obtain each touch screen to be written and detected with the display definition being larger than the predefined display definition threshold, marking the touch screen as each display qualified touch screen, and further randomly sampling the touch screen to obtain each appointed touch screen.
S3, touch screen division: dividing each appointed touch screen into each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen according to a predefined rule.
S4, acquiring touch screen writing detection data: and acquiring content detection data and writing detection data of characters corresponding to the finger writing detection touch screens, the capacitance pen writing detection touch screens and the impedance pen writing detection touch screens.
S5, analyzing the touch screen writing detection data: analyzing the writing content recognition rate, the writing process smoothness and the writing content attractiveness of each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen.
S6, touch screen writing evaluation analysis: analyzing and processing the writing evaluation coefficients of the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen.
Preferably, the display quality data of each touch screen to be written and detected includes resolution, color saturation and reflectivity index.
The content detection data of the characters corresponding to the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen comprise writing path corresponding fonts and display fonts.
The writing detection data of the characters corresponding to the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen comprise response time of the touch screen, time required for writing, handwriting smoothness, handwriting continuity and overall similarity.
Preferably, the specific analysis process of the display definition of each touch screen to be written and detected is as follows: extracting resolution, color saturation and reflectivity index of each touch screen to be written and detected, and analyzing display definition of each touch screen to be written and detectedWherein->Respectively +.>Resolution, color saturation and reflectivity index of the touch screen to be written with the detection>Standard resolution, standard color saturation and standard reflectivity of touch screen extracted from data repository, respectively +.>The weights of the resolution, color saturation and reflectivity index extracted from the data storage base respectively,,/>for the number of the touch screen to be written with the test, < >>For the number of touch screens to be written with detection.
And comparing the display definition of each touch screen to be written and detected with a predefined display definition threshold, if the display definition of a certain touch screen to be written and detected is larger than the predefined display definition threshold, indicating that the display quality of the touch screen to be written and detected is qualified, marking the touch screen to be written and detected as a display qualified touch screen, counting to obtain each display qualified touch screen, and further carrying out random sampling on each display qualified touch screen to obtain each appointed touch screen.
Preferably, the specific principles of dividing the specified touch screens into the finger writing detection touch screens, the capacitance pen writing detection touch screens and the impedance pen writing detection touch screens are as follows: dividing the total number of the specified touch screens by three, taking the quotient as a preset dividing number, and grouping the display qualified touch screens according to the preset dividing number to obtain the touch screens of the finger writing detection, the touch screens of the capacitance pen writing detection and the touch screens of the impedance pen writing detection, and if the remainder exists, repeatedly randomly sampling the display qualified touch screens until the total number of the specified touch screens is divided by three, wherein the remainder does not exist.
And marking each touch screen to which the finger writing detection belongs as each finger writing detection touch screen, and similarly, obtaining each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen.
Preferably, the specific analysis process of the writing content recognition rate of each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen is as follows: extracting the corresponding font of the writing path of each character corresponding to each finger writing detection touch screen and the displayed font, comparing the outline area of the corresponding font of the writing path of each character corresponding to each finger writing detection touch screen with the outline area of the displayed font to obtain the overlapping area of the corresponding font of the writing path of each character corresponding to each finger writing detection touch screen and the outline of the displayed font, and recording as
Analyzing writing content recognition rate of each finger writing detection touch screenWherein->Is the firstThe finger writing detection touch screen corresponds to the +.>The writing path of the individual character corresponds to the outline area of the font, < >>,/>The number of the detection touch screen is written for each finger, < >>Detecting the number of touch screens for finger writing, +.>,/>For the number of each character>For the number of characters>Is a natural constant.
The writing content recognition rate of each capacitive pen writing detection touch screen and each impedance pen writing detection touch screen can be obtained in the same way and respectively recorded asWherein->,/>The serial numbers of the detection touch screen are written for each capacitive pen,,/>and writing a number of the detection touch screen for each impedance pen.
Preferably, the specific analysis process of the fluency of the writing process of each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen is as follows: extracting response time length and writing required time length of the touch screen corresponding to each character of each finger writing detection touch screen, and analyzing writing process smoothness of each finger writing detection touch screenWherein->Respectively +.>The finger writing detection touch screen corresponds to the +.>Response time of touch screen of individual characters and time required for writing, +.>For the response time of a standard touch screen extracted from a data repository, +.>The length of time required for the reference writing of the character set,/-, is given>Correction factor for the fluency of the writing process set, +.>And the weight coefficients are respectively the response time length of the touch screen extracted from the data storage library and the fluency of the writing process corresponding to the time length required for writing.
The writing process of the writing detection touch screen of each capacitive pen and the writing detection touch screen of each impedance pen can be obtained in the same wayFluency, respectively, marked as
Preferably, the specific analysis process of the writing content aesthetic degree of each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen is as follows: extracting the handwriting smoothness, handwriting continuity and overall similarity of each character corresponding to each finger writing detection touch screen, and analyzing the writing content attractiveness of each finger writing detection touch screenWherein->Respectively +.>The finger writing detection touch screen corresponds to the +.>Handwriting smoothness, handwriting continuity and overall similarity of individual characters +.>Respectively, the standard handwriting smoothness, the standard handwriting continuity and the standard overall similarity corresponding to the touch screen extracted from the data storage library are +.>The method comprises the steps of setting a threshold value of the ratio of the handwriting smoothness to the standard handwriting smoothness, a threshold value of the ratio of the handwriting continuity to the standard handwriting continuity and a threshold value of the ratio of the overall similarity to the standard overall similarity, and +.>The factors respectively correspond to the writing content attractiveness, namely the writing smoothness, the writing continuity and the overall similarity extracted from the data storage library.
The same applies to obtain the writing detection touch screen of each capacitance pen and the writing detection touch of each impedance penThe aesthetic degree of the writing content of the touch screen is respectively recorded as
Preferably, the specific analysis process of the writing evaluation coefficients of the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen is as follows: extracting the writing content recognition rate, the writing process smoothness and the writing content attractiveness of the touch screen for detecting the writing of each finger, and analyzing the modelObtaining a writing evaluation coefficient of the finger writing detection touch screen>The writing evaluation coefficient of the capacitive pen writing detection touch screen can be obtained in the same way>And a writing evaluation coefficient +.>
Preferably, the specific content of the processing of the writing evaluation coefficients of the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen is as follows: displaying the writing evaluation coefficients of the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen, screening the writing evaluation coefficients to obtain a writing mode corresponding to the maximum writing evaluation coefficient, and displaying the writing modes as the optimal writing mode of the touch screen.
Compared with the prior art, the invention has the following advantages and positive effects: 1. according to the method and the device for detecting the touch screen display quality, the display quality data of each touch screen to be written and detected are obtained, the display definition of each touch screen to be written and detected is analyzed, the situation that the display definition of writing is affected due to the problem of the display quality of the touch screen is effectively avoided, and therefore the defects and the shortcomings of the touch screen in the writing process are overcome.
2. According to the invention, the content detection data and the writing detection data of the characters corresponding to the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen are obtained, the writing content recognition rate, the writing process smoothness and the writing content aesthetic degree of the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen are analyzed, and the touch screen is subjected to writing detection from the finger writing, the capacitance pen writing and the impedance pen at multiple angles, so that the problem and the defect of the touch screen on each writing mode are found, the accuracy, the fluency and the aesthetic degree of writing are improved, the further improvement and the innovation of the touch screen writing technology are facilitated, and the satisfaction degree of users is improved to a certain extent.
3. According to the invention, the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen are analyzed, and the writing evaluation coefficients of the touch screen are processed, so that the optimal writing mode of the touch screen is obtained.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the process steps of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention provides a method for detecting and analyzing writing of a touch screen, which comprises the following specific steps: s1, monitoring the quality of a touch screen: and acquiring display quality data of each touch screen to be written and detected.
As a preferred embodiment, the display quality data of each of the designated touch screens includes resolution, color saturation, and reflectivity index.
It should be further described that the specific obtaining modes of the resolution and the color saturation of each touch screen to be written and detected are as follows: and detecting the touch screen to be written and detected by using the resolution test chart and the color saturation test chart to obtain color lines with the corresponding size and the density of the resolution test chart of the touch screen to be written and detected and color blocks with the corresponding color saturation of the color saturation test chart, and comparing the color lines with the corresponding size and the density of the resolution test chart and the color blocks with the corresponding color saturation of the color saturation test chart to be written and detected with the color lines with the corresponding size and the density of the resolution test chart to be stored in a data storage library to obtain the resolution and the color saturation of the touch screen to be written and detected.
The resolution test chart is a chart for testing the resolution of the touch screen, and consists of a series of color lines with different sizes and densities.
The color saturation test chart is a chart for testing the color saturation of a touch screen, and consists of a series of color blocks with different color saturation.
The specific acquisition mode of the reflectivity index of each touch screen to be written and detected is as follows: detecting each appointed touch screen by using reflection test software, wherein the reflection test software can display images and characters with different brightness levels on the screen of each appointed touch screen, further obtaining the reflection degree of the screen of each touch screen to be written and detected under different brightness by the reflection test software, and recording the reflection degree as the reflection degree of the screen of each touch screen to be written and detected under each brightness, and recording asWherein,/>For the number of the touch screen to be written with the test, < >>,/>For each brightness number>For the number of brightnesses, the reflectivity index +.>
S2, touch screen quality analysis: analyzing the display definition of each touch screen to be written and detected, comparing the display definition with a predefined display definition threshold, screening to obtain each touch screen to be written and detected with the display definition being larger than the predefined display definition threshold, marking the touch screen as each display qualified touch screen, and further randomly sampling the touch screen to obtain each appointed touch screen.
As a preferred embodiment, the specific analysis process of the display definition of each touch screen to be written and detected is as follows: extracting resolution, color saturation and reflectivity index of each touch screen to be written and detected, and analyzing display definition of each touch screen to be written and detectedWherein->Respectively +.>Resolution, color saturation and reflectivity index of the touch screen to be written with the detection>The standard resolution, standard color saturation and standard reflectivity index of the touch screen extracted from the data repository,the weights of resolution, color saturation and light reflection index, respectively, extracted from the data store and representing the sharpness>,/>For the number of the touch screen to be written with the test, < >>For the number of touch screens to be written with detection.
And comparing the display definition of each touch screen to be written and detected with a predefined display definition threshold, if the display definition of a certain touch screen to be written and detected is larger than the predefined display definition threshold, indicating that the display quality of the touch screen to be written and detected is qualified, marking the touch screen to be written and detected as a display qualified touch screen, counting to obtain each display qualified touch screen, and further carrying out random sampling on each display qualified touch screen to obtain each appointed touch screen.
According to the method and the device for detecting the touch screen display quality, the display quality data of each touch screen to be written and detected are obtained, the display definition of each touch screen to be written and detected is analyzed, the situation that the display definition of writing is affected due to the problem of the display quality of the touch screen is effectively avoided, and therefore the defects and the shortcomings of the touch screen in the writing process are overcome.
S3, touch screen division: dividing each appointed touch screen into each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen according to a predefined rule.
As a preferred embodiment, the specific principles of dividing the specified touch screens into the finger writing detection touch screens, the capacitance pen writing detection touch screens and the impedance pen writing detection touch screens are as follows: dividing the total number of the specified touch screens by three, taking the quotient as a preset dividing number, and grouping the display qualified touch screens according to the preset dividing number to obtain the touch screens of the finger writing detection, the touch screens of the capacitance pen writing detection and the touch screens of the impedance pen writing detection, and if the remainder exists, repeatedly randomly sampling the display qualified touch screens until the total number of the specified touch screens is divided by three, wherein the remainder does not exist.
And marking each touch screen to which the finger writing detection belongs as each finger writing detection touch screen, and similarly, obtaining each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen.
S4, acquiring touch screen writing detection data: and acquiring content detection data and writing detection data of characters corresponding to the finger writing detection touch screens, the capacitance pen writing detection touch screens and the impedance pen writing detection touch screens.
As a preferred embodiment, the content detection data of each character corresponding to each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen comprises a writing path corresponding font and a display font.
The specific acquisition modes of the writing path corresponding font and the display font corresponding to each character of the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen are as follows: when finger writing detection is carried out, fingers are used for writing on the finger writing detection touch screen, the sensor array of the touch screen is utilized to record each touch point of the finger writing detection touch screen, corresponding to each character, in the writing process, when the fingers are in contact with the touch screen, the touch points are recorded as each touch point of the finger writing detection touch screen, corresponding to each character, the touch points of the finger writing detection touch screen are further identified by the touch feedback system on the touch screen and are connected in sequence, and a connecting curve of the touch points of the finger writing detection touch screen, corresponding to each character, is obtained, and the connecting curve is recorded as a writing path corresponding font of the finger writing detection touch screen, corresponding to each character.
And detecting the finger writing detection touch screen after the finger writing detection is finished by a character pattern recognition technology arranged in the finger writing detection touch screen, so as to obtain the display character pattern corresponding to each character of the finger writing detection touch screen.
And the corresponding character shapes and the display character shapes of the writing paths of the capacitive pen writing detection touch screen and the impedance pen writing detection touch screen corresponding to the characters can be obtained in the same way.
The writing detection data of the characters corresponding to the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen comprise response time of the touch screen, time required for writing, handwriting smoothness, handwriting continuity and overall similarity.
The specific obtaining modes of the response time of each character corresponding to the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen are as follows: when finger writing detection is carried out, fingers are used for writing on each finger writing detection touch screen, a sensor array of the touch screen is utilized for recording the starting writing time point and the display time point of each touch point of each character corresponding to each finger writing detection touch screen, the display time point of each touch point of each character corresponding to each finger writing detection touch screen is further differed from the starting writing time point, and the time difference between the display time and the starting writing time of each touch point of each character corresponding to each finger writing detection touch screen is obtained and is recorded asWherein->,/>The number of the detection touch screen is written for each finger, < >>,/>For the number of each character>,/>For the number of each touch point +.>Analyzing and obtaining response time length of each finger writing detection touch screen corresponding to each character for the number of touch points>
And the response time of each character corresponding to the writing detection touch screen of each capacitive pen and the writing detection touch screen of each impedance pen can be obtained in the same way.
The specific acquisition modes of the time length required by writing of each character corresponding to the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen are as follows: when finger writing detection is carried out, fingers are used for writing on each finger writing detection touch screen, a sensor array of the touch screen is utilized for recording a starting writing time point and an ending writing time point of each character corresponding to each finger writing detection touch screen, further, the ending writing time point and the starting writing time point of each character corresponding to each finger writing detection touch screen are subjected to difference, and the time difference between the ending writing time and the starting writing time of each character corresponding to each finger writing detection touch screen is obtained and is recorded as the time required by writing of each character corresponding to each finger writing detection touch screen.
And the same can be done to obtain the time length required by writing each character corresponding to each capacitive pen writing detection touch screen and each impedance pen writing detection touch screen.
The specific acquisition modes of the handwriting smoothness of the characters corresponding to the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen are as follows: extracting a connecting curve of touch points of each finger writing detection touch screen corresponding to each characterComparing the standard connection curve with the standard connection curve of the touch point corresponding to each character of the finger writing detection touch screen stored in the data storage library to obtain the superposition line of the connection curve of the touch point corresponding to each character of the finger writing detection touch screen and the standard connection curve, and marking asAnalyzing the handwriting smoothness of each finger writing detection touch screen corresponding to each character>Wherein->Is->The finger writing detection touch screen corresponds to the +.>Standard connection curves of touch points to which the individual characters belong.
And the handwriting smoothness of the characters corresponding to the capacitive pen writing detection touch screen and the impedance pen writing detection touch screen can be obtained by the same method.
The specific acquisition modes of the handwriting continuity of the characters corresponding to the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen are as follows: extracting the time difference between the display time and the start writing time of each touch point of each character corresponding to each finger writing detection touch screen, and recording the time difference as the length of time required for writing each touch point of each character corresponding to each finger writing detection touch screenFurther analyzing handwriting continuity of each finger writing detection touch screen corresponding to each character>
And the handwriting continuity of each character corresponding to each capacitive pen writing detection touch screen and each impedance pen writing detection touch screen can be obtained by the same method.
The specific acquisition modes of the overall similarity of the characters corresponding to the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen are as follows: and extracting the display fonts of the characters written by the paper of the writing detector to which the finger writing detection touch screen belongs from the data storage library, and marking the display fonts as reference display fonts of the characters corresponding to the finger writing detection touch screen.
Extracting the display fonts of the characters corresponding to the finger writing detection touch screens, overlapping and comparing the display fonts with the reference display fonts of the characters corresponding to the finger writing detection touch screens to obtain the overlapping degree of the display fonts of the characters corresponding to the finger writing detection touch screens and the reference display fonts, and recording the overlapping degree as the overall similarity of the characters corresponding to the finger writing detection touch screens.
And the whole similarity of the characters corresponding to the capacitive pen writing detection touch screen and the impedance pen writing detection touch screen can be obtained by the same method.
S5, analyzing the touch screen writing detection data: analyzing the writing content recognition rate, the writing process smoothness and the writing content attractiveness of each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen.
As a preferred embodiment, the specific analysis process of the writing content recognition rate of each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen is as follows: extracting the corresponding font of the writing path of each character corresponding to each finger writing detection touch screen and the displayed font, comparing the outline area of the corresponding font of the writing path of each character corresponding to each finger writing detection touch screen with the outline area of the displayed font to obtain the overlapping area of the corresponding font of the writing path of each character corresponding to each finger writing detection touch screen and the outline of the displayed font, and recording as
Analyzing writing content recognition rate of each finger writing detection touch screenWherein->Is the firstThe finger writing detection touch screen corresponds to the +.>The writing path of the individual character corresponds to the outline area of the font, < >>,/>The number of the detection touch screen is written for each finger, < >>Detecting the number of touch screens for finger writing, +.>,/>For the number of each character>For the number of characters>Is a natural constant.
The writing content recognition rate of each capacitive pen writing detection touch screen and each impedance pen writing detection touch screen can be obtained in the same way and respectively recorded asWherein->,/>The serial numbers of the detection touch screen are written for each capacitive pen,,/>and writing a number of the detection touch screen for each impedance pen.
As a preferred embodiment, the specific analysis process of the fluency of the writing process of each finger writing detection touch screen, each capacitive pen writing detection touch screen and each impedance pen writing detection touch screen is as follows: extracting response time length and writing required time length of the touch screen corresponding to each character of each finger writing detection touch screen, and analyzing writing process smoothness of each finger writing detection touch screenWherein->Respectively +.>The finger writing detection touch screen corresponds to the +.>Response time of touch screen of individual characters and time required for writing, +.>For the response time of a standard touch screen extracted from a data repository, +.>The length of time required for the reference writing of the character set,/-, is given>Correction factor for the fluency of the writing process set, +.>The number of slaves respectivelyAnd according to the weight coefficient of the fluency of the writing process, which corresponds to the response time length of the touch screen and the writing required time length, which are extracted from the storage library.
The smoothness of the writing process of each capacitive pen writing detection touch screen and each impedance pen writing detection touch screen can be obtained in the same way and respectively recorded as
As a preferred embodiment, the specific analysis process of the writing content aesthetic degree of each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen is as follows: extracting the handwriting smoothness, handwriting continuity and overall similarity of each character corresponding to each finger writing detection touch screen, and analyzing the writing content attractiveness of each finger writing detection touch screenWherein->Respectively +.>The finger writing detection touch screen corresponds to the +.>Handwriting smoothness, handwriting continuity and overall similarity for individual characters,respectively, the standard handwriting smoothness, the standard handwriting continuity and the standard overall similarity corresponding to the touch screen extracted from the data storage library are +.>Respectively a set threshold value of the ratio of the handwriting smoothness to the standard handwriting smoothness, a threshold value of the ratio of the handwriting continuity to the standard handwriting continuity and a threshold value of the ratio of the overall similarity to the standard overall similarity,the factors respectively correspond to the writing content attractiveness, namely the writing smoothness, the writing continuity and the overall similarity extracted from the data storage library.
The writing detection touch screen of each capacitive pen and the writing content aesthetic degree of each impedance pen can be obtained in the same way and respectively recorded as
According to the invention, the content detection data and the writing detection data of the characters corresponding to the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen are obtained, the writing content recognition rate, the writing process smoothness and the writing content aesthetic degree of the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen are analyzed, and the touch screen is subjected to writing detection from the finger writing, the capacitance pen writing and the impedance pen at multiple angles, so that the problem and the defect of the touch screen on each writing mode are found, the accuracy, the fluency and the aesthetic degree of writing are improved, the further improvement and the innovation of the touch screen writing technology are facilitated, and the satisfaction degree of users is improved to a certain extent.
S6, touch screen writing evaluation analysis: analyzing and processing the writing evaluation coefficients of the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen.
As a preferred embodiment, the specific analysis process of the writing evaluation coefficients of the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen is as follows: extracting the writing content recognition rate, the writing process smoothness and the writing content attractiveness of the touch screen for detecting the writing of each finger, and analyzing the modelObtaining a writing evaluation coefficient of the finger writing detection touch screen>Can be obtained in the same wayWriting evaluation coefficient of capacitive pen writing detection touch screen +.>And a writing evaluation coefficient +.>
As a preferred embodiment, the specific contents of the processing of the writing evaluation coefficients of the finger writing detection touch screen, the capacitive pen writing detection touch screen and the impedance pen writing detection touch screen are as follows: displaying the writing evaluation coefficients of the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen, screening the writing evaluation coefficients to obtain a writing mode corresponding to the maximum writing evaluation coefficient, and displaying the writing modes as the optimal writing mode of the touch screen.
According to the invention, the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen are analyzed, and the writing evaluation coefficients of the touch screen are processed, so that the optimal writing mode of the touch screen is obtained.
The foregoing is merely illustrative and explanatory of the principles of this invention, as various modifications and additions may be made to the specific embodiments described, or similar arrangements may be substituted by those skilled in the art, without departing from the principles of this invention or beyond the scope of this invention as defined in the claims.

Claims (9)

1. A touch screen writing detection analysis method is characterized in that: comprising the following steps:
s1, monitoring the quality of a touch screen: acquiring display quality data of each touch screen to be written and detected;
s2, touch screen quality analysis: analyzing the display definition of each touch screen to be written and detected, respectively comparing the display definition with a predefined display definition threshold, screening to obtain each touch screen to be written and detected with the display definition being larger than the predefined display definition threshold, marking the touch screen as each display qualified touch screen, and randomly sampling to obtain each appointed touch screen;
s3, touch screen division: dividing each appointed touch screen into each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen according to a predefined rule;
s4, acquiring touch screen writing detection data: acquiring content detection data and writing detection data of characters corresponding to the finger writing detection touch screens, the capacitance pen writing detection touch screens and the impedance pen writing detection touch screens;
s5, analyzing the touch screen writing detection data: analyzing the writing content recognition rate, the writing process fluency and the writing content attractiveness of each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen;
s6, touch screen writing evaluation analysis: analyzing and processing the writing evaluation coefficients of the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen.
2. The method for detecting and analyzing writing of a touch screen according to claim 1, wherein the method comprises the following steps: the display quality data of each touch screen to be written and detected comprises resolution, color saturation and reflectivity index;
the content detection data of the characters corresponding to the finger writing detection touch screens, the capacitance pen writing detection touch screens and the impedance pen writing detection touch screens comprise writing path corresponding fonts and display fonts;
the writing detection data of the characters corresponding to the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen comprise response time of the touch screen, time required for writing, handwriting smoothness, handwriting continuity and overall similarity.
3. The method for detecting and analyzing writing of a touch screen according to claim 2, wherein the method comprises the following steps: the specific analysis process of the display definition of each touch screen to be written and detected comprises the following steps:
extracting resolution, color saturation and reflectivity index of each touch screen to be written and detected, and analyzing display definition of each touch screen to be written and detectedWherein->Respectively +.>Resolution, color saturation and reflectivity index of the touch screen to be written with the detection>The standard resolution, standard color saturation and standard reflectivity index of the touch screen extracted from the data repository,the weights of resolution, color saturation and light reflection index, respectively, extracted from the data store and representing the sharpness>,/>For the number of the touch screen to be written with the test, < >>The number of touch screens to be written and detected is the number of touch screens to be written and detected;
and comparing the display definition of each touch screen to be written and detected with a predefined display definition threshold, if the display definition of a certain touch screen to be written and detected is larger than the predefined display definition threshold, indicating that the display quality of the touch screen to be written and detected is qualified, marking the touch screen to be written and detected as a display qualified touch screen, counting to obtain each display qualified touch screen, and further carrying out random sampling on each display qualified touch screen to obtain each appointed touch screen.
4. A touch screen writing detection analysis method according to claim 3, wherein: the specific principles of the predefined principles of dividing the appointed touch screens into the finger writing detection touch screens, the capacitance pen writing detection touch screens and the impedance pen writing detection touch screens are as follows:
dividing the total number of the appointed touch screens by three, taking the quotient as a preset dividing number, and grouping the display qualified touch screens according to the preset dividing number to obtain the touch screens of the finger writing detection, the touch screens of the capacitance pen writing detection and the touch screens of the impedance pen writing detection, if the remainder exists, repeatedly randomly sampling the display qualified touch screens until the total number of the appointed touch screens is divided by three, and the remainder does not exist;
and marking each touch screen to which the finger writing detection belongs as each finger writing detection touch screen, and similarly, obtaining each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen.
5. The method for detecting and analyzing writing of a touch screen according to claim 2, wherein the method comprises the following steps: the specific analysis process of the writing content recognition rate of each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen comprises the following steps:
extracting the corresponding font of the writing path of each character corresponding to each finger writing detection touch screen and the displayed font, comparing the outline area of the corresponding font of the writing path of each character corresponding to each finger writing detection touch screen with the outline area of the displayed font to obtain the overlapping area of the corresponding font of the writing path of each character corresponding to each finger writing detection touch screen and the outline of the displayed font, and recording as
Analyzing writing content recognition rate of each finger writing detection touch screenWherein->Is->The finger writing detection touch screen corresponds to the +.>The writing path of the individual character corresponds to the outline area of the font, < >>,/>The number of the detection touch screen is written for each finger, < >>Detecting the number of touch screens for finger writing, +.>,/>For the number of each character>For the number of characters>Is a natural constant;
the writing content recognition rate of each capacitive pen writing detection touch screen and each impedance pen writing detection touch screen can be obtained in the same way and respectively recorded asWherein->,/>The number of the touch screen is written and detected for each capacitive pen, < >>,/>And writing a number of the detection touch screen for each impedance pen.
6. The method for detecting and analyzing writing of a touch screen according to claim 5, wherein the method comprises the following steps: the specific analysis process of the fluency of the writing process of each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen is as follows:
extracting response time length and writing required time length of the touch screen corresponding to each character of each finger writing detection touch screen, and analyzing writing process smoothness of each finger writing detection touch screenWhereinRespectively +.>The finger writing detection touch screen corresponds to the +.>Response time of touch screen of individual characters and time required for writing, +.>For the response time of a standard touch screen extracted from a data repository, +.>The length of time required for the reference writing of the character set,/-, is given>Correction factor for the fluency of the writing process set, +.>The weight coefficients of the fluency of the writing process corresponding to the response time length of the touch screen and the writing required time length extracted from the data storage library are respectively obtained;
the smoothness of the writing process of each capacitive pen writing detection touch screen and each impedance pen writing detection touch screen can be obtained in the same way and respectively recorded as
7. The method for detecting and analyzing writing of a touch screen according to claim 6, wherein the method comprises the steps of: the specific analysis process of the writing content aesthetic degree of each finger writing detection touch screen, each capacitance pen writing detection touch screen and each impedance pen writing detection touch screen comprises the following steps:
extracting the handwriting smoothness, handwriting continuity and overall similarity of each character corresponding to each finger writing detection touch screen, and analyzing the writing content attractiveness of each finger writing detection touch screenWhereinRespectively +.>The finger writing detection touch screen corresponds to the +.>Handwriting smoothness of individual characters, handwriting connectionContinuity and overall similarity, ++>Respectively, the standard handwriting smoothness, the standard handwriting continuity and the standard overall similarity corresponding to the touch screen extracted from the data storage library are +.>The method comprises the steps of setting a threshold value of the ratio of the handwriting smoothness to the standard handwriting smoothness, a threshold value of the ratio of the handwriting continuity to the standard handwriting continuity and a threshold value of the ratio of the overall similarity to the standard overall similarity, and +.>The influence factors of the writing content attractiveness corresponding to the writing smoothness, the writing continuity and the overall similarity extracted from the data storage library are respectively;
the writing detection touch screen of each capacitive pen and the writing content aesthetic degree of each impedance pen can be obtained in the same way and respectively recorded as
8. The method for detecting and analyzing writing of a touch screen according to claim 7, wherein: the specific analysis process of the writing evaluation coefficients of the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen comprises the following steps:
extracting the writing content recognition rate, the writing process smoothness and the writing content attractiveness of the touch screen for detecting the writing of each finger, and analyzing the modelObtaining a writing evaluation coefficient of the finger writing detection touch screen>Writing evaluation system for capacitive pen writing detection touch screen can be obtained in the same wayCount->And a writing evaluation coefficient +.>
9. The method for detecting and analyzing writing of a touch screen according to claim 1, wherein the method comprises the following steps: the specific contents for processing the writing evaluation coefficients of the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen are as follows: displaying the writing evaluation coefficients of the finger writing detection touch screen, the capacitance pen writing detection touch screen and the impedance pen writing detection touch screen, screening the writing evaluation coefficients to obtain a writing mode corresponding to the maximum writing evaluation coefficient, and displaying the writing modes as the optimal writing mode of the touch screen.
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