CN112506369A - Method for converting physical handwriting into electronic handwriting, electronic equipment and storage medium - Google Patents
Method for converting physical handwriting into electronic handwriting, electronic equipment and storage medium Download PDFInfo
- Publication number
- CN112506369A CN112506369A CN202011311871.7A CN202011311871A CN112506369A CN 112506369 A CN112506369 A CN 112506369A CN 202011311871 A CN202011311871 A CN 202011311871A CN 112506369 A CN112506369 A CN 112506369A
- Authority
- CN
- China
- Prior art keywords
- handwriting
- electronic
- effective
- coordinates
- cells
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrically Operated Instructional Devices (AREA)
- User Interface Of Digital Computer (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention provides a method for converting electronic handwriting into physical handwriting, which comprises the following steps: acquiring the resistance value of each display cell of the physical screen, and if the resistance value of the display cell is within a preset range, determining that the display cell is a valid cell; judging the product of the total number of the longitudinal cells and the total number of the transverse cells of the effective cells and the resolution of the whole screen, and converting the electronic coordinates corresponding to the resistance value range into effective handwriting according to the judgment result; and drawing the converted electronic coordinates to obtain the electronic handwriting. The invention relates to an electronic device and a storage medium. The invention adopts a mode of synchronizing physical handwriting to convert the writing handwriting on the blackboard into the electronic handwriting and store the electronic handwriting, can acquire the thickness of the handwriting, judges the effectiveness of the handwriting, and can accurately position the handwriting when converting the physical handwriting into the electronic handwriting, so that the converted electronic handwriting can restore the physical handwriting to a greater extent, thereby ensuring that students can heavily warm classroom contents after class and improving the learning efficiency.
Description
Technical Field
The invention relates to the technical field of teaching aids, in particular to a method for converting physical handwriting into electronic handwriting, electronic equipment and a storage medium.
Background
For a long time, the teaching course in the form of chalk matched with a blackboard occupies a very important position in the field of education, has the advantage of low teaching cost, and can greatly improve the attention of students by the teacher drawing the lecture of sound and drawing colors and the illustration or explanation of the image on the blackboard. However, the current blackboard in the market cannot convert the physical handwriting into the electronic handwriting, and cannot store the contents of the teacher blackboard writing, so that the students can warm the contents in the classroom after class, and the learning efficiency is improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a method for converting the electronic handwriting by the physical handwriting, which adopts a synchronous physical handwriting mode to convert the writing handwriting on the blackboard into the electronic handwriting and store the electronic handwriting.
The invention provides a method for converting electronic handwriting into physical handwriting, which comprises the following steps:
obtaining effective cells, obtaining the resistance value of each display cell of the physical screen, and judging the effective cells if the resistance values of the display cells are within a preset range;
converting coordinates, calculating the product of the total number of the longitudinal unit grids corresponding to the effective unit grids and the total number of the transverse unit grids, judging the size of the resolution ratio of the calculation result and the whole screen, and converting the electronic coordinates corresponding to the resistance value range into effective handwriting according to the judgment result;
and drawing the handwriting, and drawing the converted electronic coordinate to obtain the electronic handwriting.
Further, in the step of obtaining the effective unit cell, the resistance value ranges from 0 ohm to 10 ohms, and the preset range is greater than or equal to 6 ohms.
Further, in the coordinate conversion step, if the calculation result is smaller than the resolution of the whole screen, all the electronic coordinates corresponding to the cells with the resistance values larger than 8 in the effective cells are converted into the effective handwriting.
Further, in the step of converting coordinates, if the calculation result is smaller than the resolution of the whole screen, the electronic coordinates corresponding to the cells with the resistance values of 6 and 8 in the effective cells are calculated from the electronic coordinates of the other connected cells, after one round of calculation is finished, if the number of the effective coordinates connected by a single coordinate is larger than the average number of the effective coordinates of the single coordinate in the round, the coordinate is converted into effective handwriting, and the next round of calculation is performed in the cell in a circulating manner.
Further, in the coordinate conversion step, if the calculation result is equal to the resolution of the whole screen, the effective cell coordinates are directly drawn.
Further, in the step of converting the coordinates, if the calculation result is greater than the resolution of the whole screen, whether the average resistance value of all the cells in the effective cells is greater than or equal to 6 is judged, and if yes, the electronic coordinates are converted into the effective handwriting.
Further, in the step of converting coordinates, the resolution of the whole screen is 1920 × 1080.
An electronic device, comprising: a processor;
a memory; and a program, wherein the program is stored in the memory and configured to be executed by the processor, the program comprising instructions for performing a method of physical writing to transform electronic writing.
A computer-readable storage medium having stored thereon a computer program for execution by a processor of a method for physical writing to transform electronic writing.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a method for converting electronic handwriting into physical handwriting, which comprises the following steps: obtaining effective cells, obtaining the resistance value of each display cell of the physical screen, and judging the effective cells if the resistance values of the display cells are within a preset range; converting coordinates, calculating the product of the total number of the longitudinal unit grids corresponding to the effective unit grids and the total number of the transverse unit grids, judging the size of the resolution ratio of the calculation result and the whole screen, and converting the electronic coordinates corresponding to the resistance value range into effective handwriting according to the judgment result; and drawing the handwriting, and drawing the converted electronic coordinate to obtain the electronic handwriting. The invention relates to an electronic device and a storage medium for executing a method for converting physical handwriting into electronic handwriting. The invention adopts a mode of synchronizing physical handwriting to convert the writing handwriting on the blackboard into the electronic handwriting and store the electronic handwriting, can acquire the thickness of the handwriting, judges the effectiveness of the handwriting, and can accurately position the handwriting when converting the physical handwriting into the electronic handwriting, so that the converted electronic handwriting can restore the physical handwriting to a greater extent, thereby ensuring that students can heavily warm classroom contents after class and improving the learning efficiency.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flow chart of a method for converting an electronic handwriting into a physical handwriting according to the invention;
FIG. 2 is a schematic diagram of a cell in an embodiment of the invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
A method for converting electronic handwriting by physical handwriting, as shown in fig. 1, comprising the following steps:
and obtaining effective cells, obtaining the resistance value of each display cell of the physical screen, and if the resistance value of the display cell is within a preset range, indicating that obvious physical handwriting exists, and judging the physical handwriting as the effective cell. It should be understood that the physical screen is a blackboard in the background art, and a plurality of display cells are arranged on the physical screen. In this embodiment, the resistance value range is 0 to 10 ohms, and the preset range is greater than or equal to 6 ohms, it should be understood that the resistance value and the preset range may be set according to actual conditions. As shown in fig. 2, the effective cell coordinates are: (6, 7), (7, 6), (7, 7), (8, 6), (8, 7), (9, 6), (9, 7), (10, 5), (10, 6), and the invalid cell coordinates are: (6, 6), (9, 4), (10, 7).
Converting coordinates, calculating the product of the total number of the longitudinal unit grids corresponding to the effective unit grids and the total number of the transverse unit grids, judging the size of the resolution ratio of the calculation result and the whole screen, and converting the electronic coordinates corresponding to the resistance value range into effective handwriting according to the judgment result; the concrete formula is as follows:
Dx＝(1080/Vm)*(1920/Hm)
wherein Vm is the total number of vertical cells, Hm is the total number of horizontal cells, Dx is the resolution (i.e. the number of electronic coordinates) corresponding to the cells, and the resolution of the whole screen is 1920x 1080.
If Dx is greater than 1, the total number of the display cells is smaller than the resolution product (1920x1080 ═ 2073600), and all electronic coordinates corresponding to the cells with the resistance value greater than 8 in the effective cells are converted into effective handwriting; and (3) calculating the electronic coordinates corresponding to the cells with the resistance values of more than or equal to 6 and less than or equal to 8 in the effective cells from the electronic coordinates of other connected cells, after one round of calculation is finished, if the number of the effective coordinates connected by a single coordinate is more than the average number of the effective coordinates of the single coordinate in the round, converting the coordinate into effective handwriting, and performing the next round of calculation into the cell, and so on.
If Dx is equal to 1, the total number of display cells is equal to the resolution product (1920x1080 is equal to 2073600), and the handwriting can be drawn according to the obtained effective cell coordinates directly.
If Dx <1, the total number of the display cells is greater than the resolution product (1920x1080 ═ 2073600), whether the average resistance value of all the cells in the effective cells is greater than or equal to 6 is judged, and if yes, the electronic coordinate is converted into the effective handwriting.
And drawing the handwriting, and drawing the converted electronic coordinate to obtain the electronic handwriting.
An electronic device, comprising: a processor;
a memory; and a program, wherein the program is stored in the memory and configured to be executed by the processor, the program comprising instructions for performing a method of physical writing to transform electronic writing.
A computer-readable storage medium having stored thereon a computer program for execution by a processor of a method for physical writing to transform electronic writing.
The invention adopts a mode of synchronizing physical handwriting to convert the writing handwriting on the blackboard into the electronic handwriting and store the electronic handwriting, can acquire the thickness of the handwriting, judges the effectiveness of the handwriting, and can accurately position the handwriting when converting the physical handwriting into the electronic handwriting, so that the converted electronic handwriting can restore the physical handwriting to a greater extent, thereby ensuring that students can heavily warm classroom contents after class and improving the learning efficiency.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (9)
1. A method for converting electronic handwriting by physical handwriting is characterized by comprising the following steps:
obtaining effective cells, obtaining the resistance value of each display cell of the physical screen, and judging the effective cells if the resistance values of the display cells are within a preset range;
converting coordinates, calculating the product of the total number of the longitudinal unit grids corresponding to the effective unit grids and the total number of the transverse unit grids, judging the size of the resolution ratio of the calculation result and the whole screen, and converting the electronic coordinates corresponding to the resistance value range into effective handwriting according to the judgment result;
and drawing the handwriting, and drawing the converted electronic coordinate to obtain the electronic handwriting.
2. A method of physical writing transforming electronic writing according to claim 1 and characterized by: in the step of obtaining the effective unit cell, the resistance value ranges from 0 ohm to 10 ohms, and the preset range is greater than or equal to 6 ohms.
3. A method of physical writing transforming electronic writing according to claim 1 and characterized by: in the step of converting the coordinates, if the calculation result is smaller than the resolution of the whole screen, all electronic coordinates corresponding to the cells with the resistance value larger than 8 in the effective cells are converted into effective handwriting.
4. A method of physical writing transforming electronic writing according to claim 3 and characterized by: in the step of converting the coordinates, if the calculation result is smaller than the resolution of the whole screen, the electronic coordinates corresponding to the cells with the resistance values of more than or equal to 6 and less than or equal to 8 in the effective cells are calculated from the electronic coordinates of other connected cells, after one round of calculation is finished, if the number of the effective coordinates connected with a single coordinate is larger than the average number of the effective coordinates of the single coordinate in the round, the coordinate is converted into effective handwriting, and the next round of calculation is performed in the cell in a circulating manner.
5. A method of physical writing transforming electronic writing according to claim 1 and characterized by: in the step of converting the coordinates, if the calculation result is equal to the resolution of the whole screen, drawing is directly performed according to the obtained effective cell coordinates.
6. A method of physical writing transforming electronic writing according to claim 1 and characterized by: in the step of converting the coordinates, if the calculation result is greater than the resolution of the whole screen, whether the average resistance value of all the cells in the effective cells is greater than or equal to 6 is judged, and if yes, the electronic coordinates are converted into the effective handwriting.
7. A method of physical writing transforming electronic writing according to claim 1 and characterized by: in the step of converting coordinates, the resolution of the whole screen is 1920x 1080.
8. An electronic device, characterized by comprising: a processor;
a memory; and a program, wherein the program is stored in the memory and configured to be executed by the processor, the program comprising instructions for carrying out the method according to any one of claims 1-7.
9. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program is executed by a processor for performing the method according to any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011311871.7A CN112506369B (en) | 2020-11-20 | 2020-11-20 | Method for converting physical handwriting into electronic handwriting, electronic equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011311871.7A CN112506369B (en) | 2020-11-20 | 2020-11-20 | Method for converting physical handwriting into electronic handwriting, electronic equipment and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112506369A true CN112506369A (en) | 2021-03-16 |
| CN112506369B CN112506369B (en) | 2022-08-16 |
Family
ID=74959166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011311871.7A Active CN112506369B (en) | 2020-11-20 | 2020-11-20 | Method for converting physical handwriting into electronic handwriting, electronic equipment and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112506369B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113326813A (en) * | 2021-07-08 | 2021-08-31 | 长春电子科技学院 | Electronic format conversion method for mathematics classroom blackboard writing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014183677A1 (en) * | 2013-05-17 | 2014-11-20 | Zhu Haiwei | Method for acquiring and displaying original handwriting information of handwriting input device |
| CN207458022U (en) * | 2017-12-01 | 2018-06-05 | 江苏师范大学 | A kind of electric whiteboard system for classroom teaching evaluation |
| CN110126512A (en) * | 2018-02-02 | 2019-08-16 | 姚苏栩 | The blackboard of recordable handwriting information |
| CN110134313A (en) * | 2018-02-02 | 2019-08-16 | 姚苏栩 | Chalk-writing original person's handwriting saves system and method |
-
2020
- 2020-11-20 CN CN202011311871.7A patent/CN112506369B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014183677A1 (en) * | 2013-05-17 | 2014-11-20 | Zhu Haiwei | Method for acquiring and displaying original handwriting information of handwriting input device |
| CN207458022U (en) * | 2017-12-01 | 2018-06-05 | 江苏师范大学 | A kind of electric whiteboard system for classroom teaching evaluation |
| CN110126512A (en) * | 2018-02-02 | 2019-08-16 | 姚苏栩 | The blackboard of recordable handwriting information |
| CN110134313A (en) * | 2018-02-02 | 2019-08-16 | 姚苏栩 | Chalk-writing original person's handwriting saves system and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113326813A (en) * | 2021-07-08 | 2021-08-31 | 长春电子科技学院 | Electronic format conversion method for mathematics classroom blackboard writing |
| CN113326813B (en) * | 2021-07-08 | 2022-10-21 | 长春电子科技学院 | Electronic format conversion method for mathematics classroom blackboard writing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112506369B (en) | 2022-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112506369B (en) | Method for converting physical handwriting into electronic handwriting, electronic equipment and storage medium | |
| CN105513445A (en) | Ideological and political theory teaching system | |
| CN102542068B (en) | Cloud-storage based electronic test question storage management method | |
| CN102622916A (en) | Human body acupuncture point projection demonstration method and device | |
| CN111291840A (en) | Student classroom behavior recognition system, method, medium and terminal device | |
| CN108805825B (en) | Method for evaluating quality of repositioning image | |
| CN110580691A (en) | dynamic processing method, device and equipment of image and computer readable storage medium | |
| CN104809940A (en) | Geometrical stereoscopic graph projection device and projection method | |
| WO2022105514A1 (en) | Page turning simulation method for electronic book, and electronic device and computer storage medium | |
| CN107945151B (en) | Repositioning image quality evaluation method based on similarity transformation | |
| EP1939796A2 (en) | Data processing apparatus, data processing method data processing program and computer readable medium | |
| CN201892959U (en) | Automatic homework checking device | |
| CN202939853U (en) | Inverse function demonstrator of cotangent function | |
| CN205194137U (en) | English translation demonstration teaching auxiliary device | |
| CN202939858U (en) | Inverse function demonstrator of tangent function | |
| CN204856957U (en) | Multifunctional english teaching plate | |
| CN211454818U (en) | English and American literature education show teaching aid | |
| CN210466947U (en) | Magnetic effect demonstration device of electromagnetic coil | |
| CN111008668A (en) | Method, device, equipment and medium for identifying data singular points | |
| CN111046802B (en) | Evaluation method, device, equipment and storage medium based on vector words | |
| CN202584495U (en) | Demonstration plate for teaching mathematical addition and subtraction in school for deaf-mutes | |
| CN203644255U (en) | Primary school English word memorization teaching aid | |
| CN210955519U (en) | Visualization system for graphic demonstration | |
| CN116070071B (en) | Wall function selection method, device, terminal equipment and storage medium | |
| CN201616198U (en) | Chinese character teaching tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Room 238, room 406, 1 Yichuang street, Huangpu District, Guangzhou, Guangdong 510700 Applicant after: Guangzhou langguo Electronic Technology Co.,Ltd. Address before: Room 238, room 406, 1 Yichuang street, Huangpu District, Guangzhou, Guangdong 510700 Applicant before: GUANGZHOU LANGO ELECTRONIC SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |