CN114296564A - Writing deleting method and system for electronic whiteboard, electronic whiteboard and storage medium - Google Patents
Writing deleting method and system for electronic whiteboard, electronic whiteboard and storage medium Download PDFInfo
- Publication number
- CN114296564A CN114296564A CN202111515464.2A CN202111515464A CN114296564A CN 114296564 A CN114296564 A CN 114296564A CN 202111515464 A CN202111515464 A CN 202111515464A CN 114296564 A CN114296564 A CN 114296564A
- Authority
- CN
- China
- Prior art keywords
- writing
- blackboard
- target
- electronic whiteboard
- handwriting
- 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.)
- Pending
Links
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention relates to a method and a system for deleting a blackboard writing of an electronic whiteboard, the electronic whiteboard and a storage medium. A method for deleting blackboard writing of an electronic whiteboard comprises the following steps: acquiring a target color; and deleting the target handwriting which is developed into the target color from all the blackboard writing handwriting. By using the blackboard writing deleting method provided by the invention, a user only needs to select the target color of the blackboard writing to be deleted, the system can automatically acquire all target writings which are developed into the target color and delete all the found target writings, the part of the blackboard writing content in the electronic whiteboard can be deleted, the mistaken deletion cannot be caused, and the execution speed is high.
Description
Technical Field
The present invention relates to electronic devices, and in particular, to a method and a system for deleting a writing on an electronic whiteboard, and a storage medium.
Background
At present, electronic whiteboards are more and more widely applied, especially in the teaching process, when the electronic whiteboards are used, lessons can be written on the content of the lessons first, and then lessons are given to specific classes, but in the lessons, the lessons are definitely related to the individual writing on the condition of a certain class, the individual writing is not suitable for other classes, and then the individual writing needs to be deleted specifically, the existing electronic whiteboard control technology cannot achieve the purpose, and further improvement is needed.
Disclosure of Invention
In view of the defects of the prior art, one of the purposes of the present invention is to provide a writing board deletion method for an electronic whiteboard, which can delete writing boards to be deleted in batch.
The invention also aims to provide a writing deleting system of the electronic whiteboard.
The invention also provides an electronic whiteboard.
It is a further object of the present invention to provide a computer storage medium.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, the present invention provides a method for deleting a writing on an electronic whiteboard, including:
acquiring a target color;
and deleting the target handwriting which is developed into the target color from all the blackboard writing handwriting.
Further, the method for deleting the blackboard writing of the electronic whiteboard, wherein the step of acquiring the target handwriting comprises the following steps:
acquiring all blackboard writing chirographs;
comparing the blackboard writing color of each blackboard writing handwriting with the target color;
and taking the blackboard-writing handwriting with the same blackboard-writing color as the target handwriting.
Further, the method for deleting the blackboard writing of the electronic whiteboard further comprises a canceling step, and specifically comprises the following steps:
responding to the undo operation;
restoring the deleted preset number of target handwriting to display; and when the target number of the deleted target writing is less than the preset number, restoring all the deleted target writing to be displayed.
Further, the method for deleting the blackboard-writing of the electronic whiteboard further comprises the following steps in the process of the blackboard-writing:
determining a blackboard writing label;
and selecting the blackboard-writing colors to ensure that the blackboard-writing handwriting corresponding to different blackboard-writing labels have different blackboard-writing colors.
Further, the blackboard writing deleting method of the electronic whiteboard realizes deletion by the following steps when the blackboard writing handwriting needs to be deleted:
deleting the blackboard writing label;
and acquiring and deleting the blackboard writing handwriting under the blackboard writing label item.
Further, in the method for deleting the writing on the electronic whiteboard, the obtaining of the target color comprises:
acquiring all color data of all writing scripts of the blackboard writing and displaying the color data at a preset position of a display screen of the electronic whiteboard;
corresponding color rendering data is determined as the target color in response to the selection data.
Further, in the method for deleting the writing on the electronic whiteboard, the obtaining of the target color comprises:
acquiring pre-deleted handwriting;
and identifying the color rendering data of the pre-deleted handwriting as the target color.
In another aspect, the present invention provides a writing board deletion system for an electronic whiteboard, using the writing board deletion method for an electronic whiteboard described in any one of the above, including:
the acquisition module is used for acquiring a target color;
and the processing module is connected with the acquisition module and is used for deleting the target handwriting which is developed into the target color from all the blackboard writing.
In another aspect, the present invention provides an electronic whiteboard, including:
one or more memories storing computer programs;
one or more processors;
the computer program, when executed by one or more processors, implements the method of writing on an electronic whiteboard of any of the preceding claims.
In another aspect, the present invention provides a computer readable medium storing a computer program which, when executed by a processor, implements the writing deleting method of the electronic whiteboard as described in any one of the preceding.
Compared with the prior art, the method and the system for deleting the writing on the electronic whiteboard, the electronic whiteboard and the storage medium provided by the invention have the following beneficial effects:
by using the blackboard writing deleting method provided by the invention, a user only needs to select the target color of the blackboard writing to be deleted, the system can automatically acquire all target writings which are developed into the target color and delete all the found target writings, the part of the blackboard writing content in the electronic whiteboard can be deleted, the mistaken deletion cannot be caused, and the execution speed is high.
Drawings
FIG. 1 is a flow chart of a blackboard writing deletion method provided by the present invention;
FIG. 2 is a flow chart of obtaining a target writing according to the present invention;
FIG. 3 is a flow chart of the undo procedure provided by the present invention;
FIG. 4 is a flow chart of a blackboard writing decision tag provided by the present invention;
FIG. 5 is a flow chart of a method for deleting handwriting in the case of determining a blackboard writing label provided by the present invention;
FIG. 6 is a flow chart of one step of target color acquisition provided by the present invention;
FIG. 7 is a flow chart of another step of target color acquisition provided by the present invention;
fig. 8 is a block diagram of a blackboard writing deletion system according to the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It is to be understood by those skilled in the art that the foregoing general description and the following detailed description are exemplary and explanatory of specific embodiments of the invention, and are not intended to limit the invention.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process or method that comprises a list of steps does not include only those steps, but may include other steps not expressly listed or inherent to such process or method. Also, without further limitation, one or more devices or subsystems, elements or structures or components beginning with "comprise. The appearances of the phrases "in one embodiment," "in another embodiment," and similar language throughout this specification may, but do not necessarily, all refer to the same embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
The invention provides a writing deleting method of an electronic whiteboard, which is mainly applied to the electronic whiteboard for teaching, wherein in the teaching work, the contents to be taught are often required to be made into courseware writing in advance, the writing is displayed in sequence when giving lessons, or the real-time writing is required only when giving lessons for the first time, and the real-time writing given for the first time is stored to obtain the courseware writing; when the same course is taught for a second time for a different class, the previously stored courseware is used for display. In teaching, because students in different classes receive different knowledge levels and the depth of explanation for the same knowledge is different, the contents of blackboard writing performed for different classes are different, and therefore after the courseware blackboard writing is described each time, the individual blackboard writing performed for each class needs to be deleted.
In the blackboard-writing deleting method provided by the invention, in one embodiment, the user only needs to select one of the individual blackboard-writing contents to be deleted, so that the individual blackboard-writing of a single class in the current blackboard-writing can be deleted in batch, and the method is convenient and quick.
Specifically, the specific application scenarios of the blackboard writing deletion method provided by the invention are as follows: the user opens the electronic whiteboard, calls the courseware blackboard writing prepared for lecture of the class, matches the optimal blackboard writing color for the class of said class of individual of class of the current class of the individual class of the class of the individual class of the invention can be deleted at this moment of the invention can be deleted pointedly.
Further, the matching steps of the optimal blackboard writing color are as follows:
acquiring all board book colors used in the courseware board book; acquiring the color with the largest stroke volume or stroke length of the blackboard writing in all the blackboard writing colors as a main color;
it is recommended to use a color other than all the board writing colors, and a contrasting color to the dominant color as an optimum board writing color. Providing options for different chromaticities of contrasting colors of the dominant color for selection by a user.
The method for deleting the blackboard writing handwriting can ensure that the blackboard writing can not be deleted by mistake when the method provided by the invention is used for deleting the blackboard writing handwriting.
Referring to fig. 1, the method for deleting the blackboard writing of the electronic whiteboard includes:
s1, acquiring a target color; in this embodiment, the target color may be obtained by selecting the pre-deleted handwriting (by recognizing the color development of the pre-deleted handwriting), that is, the corresponding target color may be determined as long as the pre-deleted handwriting is determined; the method can also be obtained by directly selecting the corresponding target color in the handwriting color matching area. Those skilled in the art can make adaptive settings according to actual needs.
And S2, deleting the target handwriting which is developed into the target color from all the writing scripts. In this embodiment, the ways of finding the target writing and deleting include two ways: one is to compare separately and delete; and the other method is to find all target handwriting and delete the target handwriting at the same time.
The individual comparison and deletion mode is as follows: and traversing all the blackboard-writing chirographs one by one, determining that the blackboard-writing chirograph is the target chirograph if the blackboard-writing color of any blackboard-writing chirograph is the same as the target color, and executing the deleting operation.
The method for searching and deleting all the target handwriting at the same time comprises the following steps: and traversing all the blackboard-writing chirographis one by one, marking any blackboard-writing chirography as the target chirography if the blackboard-writing color of the blackboard-writing chirography is the same as the target color, determining the blackboard-writing chirography as the target chirography, and then deleting all the target chirographis simultaneously.
Further, in the embodiment of the method for searching and deleting all the target handwriting at the same time, the mark is marked by using a method of tracing the target handwriting, or the brightness of the target handwriting is improved, so that the user can see an obvious prompt.
Based on the foregoing embodiment, further, after the user sees the marked target handwriting, the user may select some target handwriting not to participate in the deletion operation, that is, may select some target handwriting to reserve, so that the deletion operation is more humanized, and the user experience is improved.
By using the blackboard writing deleting method provided by the invention, a user only needs to select the target color of the blackboard writing to be deleted, the system can automatically acquire all target writings which are developed into the target color and delete all the found target writings, the part of the blackboard writing content in the electronic whiteboard can be deleted, the mistaken deletion cannot be caused, and the execution speed is high.
Further, referring to fig. 2, as a preferred scheme, in this embodiment, the step of acquiring the target handwriting includes:
s21, acquiring all writing scripts of the blackboard writing;
s22, comparing the blackboard writing color of each blackboard writing with the target color;
and S23, taking the blackboard writing with the same blackboard writing color as the target writing.
Specifically, when the comparison is performed, the RGB color value comparison is adopted, and the operation principle is as follows: and the system obtains the RGB value of the target color, and the RGB values of the blackboard writing colors of any one blackboard writing are determined as the target handwriting by converting the blackboard writing colors of all the handwriting into the RGB values and enabling the RGB values of the target color to be equal in the RGB value range of the blackboard writing color of any one blackboard writing.
Further, referring to fig. 3, as a preferred scheme, in this embodiment, the method further includes a revocation step, specifically including:
s31, responding to the undo operation;
s32, restoring and displaying the deleted preset number of target handwriting; and when the target number of the deleted target writing is less than the preset number, restoring all the deleted target writing to be displayed. Specifically, the technical solution of this embodiment is a rescue measure for erroneous deletion, for example, when the selected target color, i.e. the writing script that is desired to be deleted, is selected incorrectly, correction is performed using the undo procedure.
Further, the predetermined number is 30 to 150, more preferably 50 to 100, and still more preferably 50.
Further, please refer to fig. 4, as a preferred scheme, in this embodiment, the process of writing on blackboard further includes:
s01, determining a blackboard writing label; generally, the blackboard-writing label is used for playing a role of identification, that is, a specific label of the content of the blackboard-writing, for example, a blackboard-writing label expressed as 3-2-language-5 in the fifth section of the second class in the third year.
And S02, selecting the blackboard-writing colors to enable the blackboard-writing handwriting corresponding to different blackboard-writing labels to have different blackboard-writing colors. In this embodiment, the writing process is a writing process for writing personalized writing contents in the course teaching process.
Further, referring to fig. 5, based on the foregoing embodiment, as a preferred scheme, when the blackboard writing needs to be deleted, the deletion is implemented through the following steps:
s41, deleting the blackboard writing label;
and S42, acquiring the blackboard writing under the blackboard writing label item and deleting.
The colors of the blackboard-writing handwriting corresponding to different blackboard-writing labels are different, so that the blackboard-writing handwriting under the blackboard-writing label item can be deleted, displayed or hidden more conveniently, for example, after the individual blackboard-writing used in the fifth section of the three-grade two-class Chinese class is determined, if a teacher wants to speak the content of the fifth section of the three-grade three-class Chinese class, the blackboard-writing label 3-2-Chinese-5 is only required to be deleted, and the corresponding blackboard-writing label is directly selected to be deleted, so that the blackboard-writing handwriting under the blackboard-writing label item can be deleted synchronously, and the method is convenient, rapid and more convenient and rapid.
Further, referring to fig. 6, as a preferred scheme, in this embodiment, the step of obtaining the target color is:
s101, acquiring all color data of all writing scripts and displaying the color data at a preset position of an electronic whiteboard display screen; the method comprises the steps of identifying the blackboard writing colors of all blackboard writing handwriting in the current blackboard writing content, identifying whether the blackboard writing colors are new when new blackboard writing colors are increased, displaying the blackboard writing colors at the preset position as new color development data if the blackboard writing colors are new, and carrying out misoperation if the blackboard writing colors are not new. The preset position is a preset area on the electronic whiteboard, the specific position is not limited, and a person skilled in the art can set the preset position according to actual requirements.
And S102, responding to the selection data to determine corresponding color rendering data as the target color. The selection data comprises a single selection of a certain color development data or a plurality of selections of a certain color development data.
The implementation of the embodiment can ensure that the target handwriting with the color as the target color can be deleted as long as any one of the color development data is selected as the target color, and the method is convenient and quick.
Further, as a preferred scheme, when a plurality of color rendering data are simultaneously dark, acquiring and deleting the blackboard writing corresponding to the plurality of color rendering data.
Further, referring to fig. 7, as a preferred scheme, in this embodiment, the step of obtaining the target color is:
s111, acquiring pre-deleted handwriting; generally, the operation of acquiring the writing of the blackboard writing can be obtained by a user sliding and circling on a screen of the electronic whiteboard, or can be obtained by a click operation. And the pre-deleted blackboard writing handwriting is the blackboard writing handwriting to be deleted. One blackboard writing handwriting mentioned in the invention is generated by one continuous sliding; of course, the handwriting can also be a coincidence type handwriting, that is, as long as the pixels of the strokes are connected, the handwriting is a blackboard writing handwriting, in this embodiment, the pixel connection refers to the pixel connection of the same color, and the pixel connection of different colors is regarded as the overlapping of two blackboard writings.
Further, in some embodiments, the sliding circle operation is to use a stylus or a finger to scribe a closed or approximately closed feature area on the screen, where the writing of the blackboard writing contained in the feature area is the pre-deletion writing.
Further, based on the foregoing embodiment, if the writing scripts in the feature area have multiple colors, displaying and displaying the writing scripts related to all the writing scripts in the feature area, and then performing the subsequent steps.
Further, based on the foregoing embodiment, after obtaining a plurality of blackboard writing colors of all blackboard writing scripts in the feature area, comparing the stroke amounts or the stroke lengths of the blackboard writing scripts corresponding to each blackboard writing color, and taking the blackboard writing script corresponding to the blackboard writing color with the largest stroke amount or stroke length as the pre-deletion handwriting.
Further, in some embodiments, the clicking operation is to click a certain writing script of the blackboard writing through a stylus or a finger, and the like, and the certain writing script is determined as the pre-deletion writing script.
Further, on the basis of the foregoing embodiment, when the blackboard writing is determined, double-click is required to implement the click operation.
And S112, recognizing the color rendering data of the pre-deleted handwriting as the target color.
In a further embodiment, the target color is selected by the user, for example, in the above embodiment, the pre-deleted handwriting is obtained by defining a predetermined area, and then all the blackboard-writing colors protected in the predetermined area may be displayed first, and the target color is determined by the user through clicking selection.
The embodiment can realize that all blackboard-writing colors of all blackboard-writing scripts contained in the preset area can be displayed and displayed only by defining the preset area on the display screen of the electronic whiteboard by the user, and at the moment, the user determines that one blackboard-writing color is the target color, so that the electronic whiteboard-writing system is convenient and quick.
In a further embodiment, if the pre-deleted blackboard writing is obtained by comparing the stroke volume or the stroke length of each blackboard writing color in the preselected area, the blackboard writing color with the largest stroke volume or the largest stroke length is directly used as the target color, so that the calculation amount of the system can be effectively reduced, and the operation efficiency is improved.
Referring to fig. 8, the present invention further provides a writing board deleting system of an electronic whiteboard using the writing board deleting method of the electronic whiteboard according to any one of the foregoing embodiments, including:
the acquisition module is used for acquiring a target color;
and the processing module is connected with the acquisition module and is used for deleting the target handwriting which is developed into the target color from all the blackboard writing.
Further, as a preferred scheme, in this embodiment, the step of acquiring the target handwriting by the processing module is:
acquiring all blackboard writing chirographs;
comparing the blackboard writing color of each blackboard writing handwriting with the target color;
and taking the blackboard-writing handwriting with the same blackboard-writing color as the target handwriting.
Further, as a preferred scheme, in this embodiment, the blackboard writing deletion system further includes a revocation module, configured to:
responding to the undo operation;
restoring the deleted preset number of target handwriting to display; and when the target number of the deleted target writing is less than the preset number, restoring all the deleted target writing to be displayed.
Further, as a preferred solution, in this embodiment, the blackboard writing deletion system further includes a tag setting module, configured to:
determining a blackboard writing label;
and selecting the blackboard-writing colors to ensure that the blackboard-writing handwriting corresponding to different blackboard-writing labels have different blackboard-writing colors.
Further, based on the foregoing embodiment, as a preferred solution, when deleting the target handwriting, the processing module of the blackboard writing deletion system uses the following steps:
deleting the blackboard writing label;
and acquiring and deleting the blackboard writing handwriting under the blackboard writing label item.
Further, as a preferable scheme, in this embodiment, a method for acquiring the target color by the acquisition module includes:
acquiring all color data of all writing scripts of the blackboard writing and displaying the color data at a preset position of a display screen of the electronic whiteboard;
corresponding color rendering data is determined as the target color in response to the selection data.
Further, as a preferable scheme, in this embodiment, another method for acquiring the target color by the acquisition module includes:
acquiring pre-deleted handwriting;
and identifying the color rendering data of the pre-deleted handwriting as the target color.
The present invention also provides an electronic whiteboard, comprising:
one or more memories storing computer programs;
one or more processors;
the computer program, when executed by one or more processors, implements the method for deleting a writing on an electronic whiteboard of any of the preceding embodiments.
The present invention also provides a computer readable medium, which stores a computer program, and the computer program realizes the writing deleting method of the electronic whiteboard according to any one of the foregoing embodiments when being executed by a processor.
More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
In the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In this application, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (10)
1. A method for deleting blackboard writing of an electronic whiteboard is characterized by comprising the following steps:
acquiring a target color;
and deleting the target handwriting which is developed into the target color from all the blackboard writing handwriting.
2. The writing deletion method for the electronic whiteboard according to claim 1, wherein the step of acquiring the target writing comprises:
acquiring all blackboard writing chirographs;
comparing the blackboard writing color of each blackboard writing handwriting with the target color;
and taking the blackboard-writing handwriting with the same blackboard-writing color as the target handwriting.
3. The method for deleting the writing on the electronic whiteboard of claim 1, further comprising a revocation step, specifically comprising:
responding to the undo operation;
restoring the deleted preset number of target handwriting to display; and when the target number of the deleted target writing is less than the preset number, restoring all the deleted target writing to be displayed.
4. The writing method of an electronic whiteboard of claim 1, further comprising the following steps in the writing process:
determining a blackboard writing label;
and selecting the blackboard-writing colors to ensure that the blackboard-writing handwriting corresponding to different blackboard-writing labels have different blackboard-writing colors.
5. The writing board deletion method of the electronic whiteboard as claimed in claim 4, wherein when the writing board handwriting needs to be deleted, the deletion is realized by the following steps:
deleting the blackboard writing label;
and acquiring and deleting the blackboard writing handwriting under the blackboard writing label item.
6. The method for deleting the writing on the electronic whiteboard of claim 1, wherein the obtaining of the target color comprises:
acquiring all color data of all writing scripts of the blackboard writing and displaying the color data at a preset position of a display screen of the electronic whiteboard;
corresponding color rendering data is determined as the target color in response to the selection data.
7. The method for deleting the writing on the electronic whiteboard of claim 1, wherein the obtaining of the target color comprises:
acquiring pre-deleted handwriting;
and identifying the color rendering data of the pre-deleted handwriting as the target color.
8. A writing board deletion system for an electronic whiteboard using the writing board deletion method for an electronic whiteboard according to any one of claims 1 to 7, comprising:
the acquisition module is used for acquiring a target color;
and the processing module is connected with the acquisition module and is used for deleting the target handwriting which is developed into the target color from all the blackboard writing.
9. An electronic whiteboard, comprising:
one or more memories storing computer programs;
one or more processors;
the computer program, when executed by one or more processors, implements the method of blackboard writing deletion of an electronic whiteboard of any of claims 1-7.
10. A computer-readable medium, in which a computer program is stored which, when being executed by a processor, carries out the method of writing deletion of an electronic whiteboard according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111515464.2A CN114296564A (en) | 2021-12-13 | 2021-12-13 | Writing deleting method and system for electronic whiteboard, electronic whiteboard and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111515464.2A CN114296564A (en) | 2021-12-13 | 2021-12-13 | Writing deleting method and system for electronic whiteboard, electronic whiteboard and storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114296564A true CN114296564A (en) | 2022-04-08 |
Family
ID=80967509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111515464.2A Pending CN114296564A (en) | 2021-12-13 | 2021-12-13 | Writing deleting method and system for electronic whiteboard, electronic whiteboard and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114296564A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116594548A (en) * | 2023-06-15 | 2023-08-15 | 广州银狐科技股份有限公司 | Intelligent teaching blackboard management and control system based on cloud platform |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108874275A (en) * | 2018-06-15 | 2018-11-23 | 广州视源电子科技股份有限公司 | Handwriting erasing method, handwriting erasing device, terminal and computer-readable storage medium |
| CN109215098A (en) * | 2018-08-20 | 2019-01-15 | 广州视源电子科技股份有限公司 | Handwriting erasing method and device |
| CN110045840A (en) * | 2019-04-15 | 2019-07-23 | 广州视源电子科技股份有限公司 | Writing track association method and device, terminal equipment and storage medium |
| CN110633042A (en) * | 2019-08-23 | 2019-12-31 | 厦门亿联网络技术股份有限公司 | Handwriting erasing method, device and equipment for electronic whiteboard |
-
2021
- 2021-12-13 CN CN202111515464.2A patent/CN114296564A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108874275A (en) * | 2018-06-15 | 2018-11-23 | 广州视源电子科技股份有限公司 | Handwriting erasing method, handwriting erasing device, terminal and computer-readable storage medium |
| CN109215098A (en) * | 2018-08-20 | 2019-01-15 | 广州视源电子科技股份有限公司 | Handwriting erasing method and device |
| CN110045840A (en) * | 2019-04-15 | 2019-07-23 | 广州视源电子科技股份有限公司 | Writing track association method and device, terminal equipment and storage medium |
| CN110633042A (en) * | 2019-08-23 | 2019-12-31 | 厦门亿联网络技术股份有限公司 | Handwriting erasing method, device and equipment for electronic whiteboard |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116594548A (en) * | 2023-06-15 | 2023-08-15 | 广州银狐科技股份有限公司 | Intelligent teaching blackboard management and control system based on cloud platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104835365B (en) | Method, intelligent device and device suitable for writing operation inspection | |
| CN107273002B (en) | Handwriting input answering method, terminal and computer readable storage medium | |
| CN110162164B (en) | Augmented reality-based learning interaction method, device and storage medium | |
| US10275687B2 (en) | Image recognition with filtering of image classification output distribution | |
| CN111027537B (en) | Question searching method and electronic equipment | |
| RU2010152819A (en) | VISUALIZATION OF TRAINING ANIMATIONS ON THE USER INTERFACE DISPLAY | |
| CN107908641B (en) | Method and system for acquiring image annotation data | |
| CN111563512A (en) | Method and device for automatically smearing answers, electronic equipment and storage medium | |
| CN107193467B (en) | Method and equipment for displaying intelligent pen writing content | |
| CN112396032B (en) | Writing detection method and device, storage medium and electronic equipment | |
| CN113950822A (en) | Virtualization of a physical active surface | |
| JP2015049308A (en) | System and program for writing practice | |
| CN111610901B (en) | AI vision-based English lesson auxiliary teaching method and system | |
| CN112836542A (en) | Method, system and computer readable medium for practicing calligraphy based on dot matrix code | |
| CN113505786A (en) | Test question photographing and judging method and device and electronic equipment | |
| CN114296564A (en) | Writing deleting method and system for electronic whiteboard, electronic whiteboard and storage medium | |
| KR20210008075A (en) | Time search method, device, computer device and storage medium (VIDEO SEARCH METHOD AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM) | |
| CN109885727A (en) | Data pushing method, device, electronic equipment and system | |
| CN112991410A (en) | Text image registration method, electronic equipment and storage medium thereof | |
| CN113625985B (en) | Intelligent blackboard and display method and device thereof | |
| CN110766997A (en) | Copy display method, device and storage medium | |
| CN115033128A (en) | Electronic whiteboard control method based on image recognition, electronic whiteboard and readable medium | |
| CN112767205A (en) | Machine learning teaching method, device, electronic equipment and storage medium | |
| CN111159433B (en) | Content positioning method and electronic equipment | |
| CN113435347A (en) | Learning table for error checking of paper surface operation, using method, equipment and storage medium |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220408 |
|
| RJ01 | Rejection of invention patent application after publication |