CN111352563A - Content deleting method of interactive service and related equipment - Google Patents
Content deleting method of interactive service and related equipment Download PDFInfo
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- CN111352563A CN111352563A CN201910309703.5A CN201910309703A CN111352563A CN 111352563 A CN111352563 A CN 111352563A CN 201910309703 A CN201910309703 A CN 201910309703A CN 111352563 A CN111352563 A CN 111352563A
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- 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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
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Abstract
The invention discloses a content deleting method and related equipment of an interactive service, which are applied to an interactive device and used for acquiring contact speed information by sensing contact movement; determining a deletion range according to the contact speed information; and deleting according to the deletion range. Through the technical scheme, in the interactive service deleting process, the size of the deleting module does not need to be manually switched, the size of the deleting module can be changed at any time in the size limit value by changing the deleting speed, the size of the deleting module can be switched while the current operation of a user is not interrupted, the size of the deleting module is switched, the operation cost of the user in use is reduced, and the use efficiency is also improved.
Description
Technical Field
The present invention relates to the field of interactive service systems, and in particular, to a content deletion method for an interactive service and a related device.
Background
Interactive processing is the way information is processed in which there is interaction between the operator and the system. The operator inputs information and operation commands through the terminal equipment (see the input and output system), the system immediately processes the information after receiving the information, and the processing result is displayed through the terminal equipment. The operator can further input information and operation commands according to the processing result.
In the modern teaching process, interactive learning is increasingly performed by using an interactive processing mode, and the interactive learning is a novel teaching mode emphasizing the combination of interaction cooperation and computer use. The generation of interactive learning is driven by the contemporary high-speed development of electronic technology and multimedia interaction. From the beginning of the 21 st century to the present, more and more students enter the classrooms of higher education, and are expected to enjoy an educational approach of use in combination with high technology (interactive learning). As the students of the new era have already contacted various high-tech products and concepts in life, the emerging teaching mode is similar to the pencil and the white paper for the students in the traditional classroom for the students of the new era.
The applicant finds out in the research interactive teaching process that: in the prior art, when deletion operation is carried out on an interactive large screen and a white board, the eraser only has three fixed sizes for selection; and the eraser called by the five-finger deletion and the area deletion in the gesture operation only supports one fixed size. This causes a great limitation in the user operation process, and increases the operation cost of the user in use.
Disclosure of Invention
In view of the above, the present invention is directed to an interactive service content deleting method and related device, which can change the size of a deleting module at any time within a size limit value by changing the deleting speed without manually switching the size of the deleting module.
In view of the above object, in a first aspect, the present invention provides a content deletion method for an interactive service, applied to an interactive device, including:
acquiring contact speed information by sensing the movement of a contact;
determining a deletion range according to the contact speed information;
and deleting according to the deletion range.
In some embodiments, the determining a deletion range according to the contact speed information specifically includes:
acquiring deletion range information, wherein the deletion range information comprises a maximum speed limit value and a maximum deletion range limit value corresponding to the maximum speed limit value;
and obtaining the deletion range according to the product of the ratio of the contact speed information to the maximum speed limit value and the maximum deletion range limit value.
In some embodiments, the determining a deletion range from the contact velocity information further comprises:
and when the contact point speed information is greater than the maximum speed limit value, setting the deleting range as the maximum deleting range limit value.
In some embodiments, the obtaining deletion range information further includes:
a minimum speed limit value and an initial deletion range corresponding to the minimum speed limit value;
and when the contact point speed information is smaller than the minimum speed limit value, setting the deletion range as the initial deletion range.
In some embodiments, before obtaining the contact speed information by sensing the contact movement, the method further includes:
setting at least one kind of initial deletion range information;
reading the selection operation of the user and acquiring the initial deletion range information selected by the user;
and generating the deletion range information according to the initial deletion range information.
In some embodiments, the acquiring contact speed information by sensing contact movement specifically includes:
acquiring contact position information read according to a preset time interval;
calculating a distance difference between the current contact position information and the previous contact position information;
and obtaining the contact point speed information according to the distance difference and the preset time interval.
In some embodiments, the interactive apparatus comprises at least: interactive screens, interactive whiteboards, and interactive projection screens.
In a second aspect, the present invention further provides a content deleting device for an interactive service, which is applied to an interactive apparatus, and includes:
the acquisition module acquires contact speed information by sensing the movement of the contact;
the determining module is used for determining a deleting range according to the contact speed information;
and the deleting module is used for deleting operation according to the deleting range.
In some embodiments, the determining module determines the deletion range according to the contact speed information, specifically including:
acquiring deletion range information, wherein the deletion range information comprises a maximum speed limit value and a maximum deletion range limit value corresponding to the maximum speed limit value;
and obtaining the deletion range according to the product of the ratio of the contact speed information to the maximum speed limit value and the maximum deletion range limit value.
In some embodiments, the determining module determines a deletion range from the contact velocity information, further comprising:
and when the contact point speed information is greater than the maximum speed limit value, setting the deleting range as the maximum deleting range limit value.
In some embodiments, the determining module obtains deletion range information, further comprising:
a minimum speed limit value and an initial deletion range corresponding to the minimum speed limit value;
and when the contact point speed information is smaller than the minimum speed limit value, setting the deletion range as the initial deletion range.
In some embodiments, before the acquiring module acquires the contact speed information by sensing the movement of the contact, the acquiring module further includes:
setting at least one kind of initial deletion range information;
reading the selection operation of the user and acquiring the initial deletion range information selected by the user;
and generating the deletion range information according to the initial deletion range information.
In some embodiments, the acquiring module acquires the contact speed information by sensing the movement of the contact, and specifically includes:
acquiring contact position information read according to a preset time interval;
calculating a distance difference between the current contact position information and the previous contact position information;
and obtaining the contact point speed information according to the distance difference and the preset time interval.
In some embodiments, the interactive apparatus comprises at least: interactive screens, interactive whiteboards, and interactive projection screens.
In a third aspect, the present invention also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the content deletion method of the interactive service as described above when executing the program.
In a fourth aspect, the present invention also provides a computer-readable storage medium, which is characterized in that the computer-readable storage medium has stored therein instructions, which, when run on a terminal device, cause the terminal device to execute the content deletion method for an interactive service as described above.
As can be seen from the above, the content deletion method of the interactive service and the related device provided by the invention obtain the contact speed information by sensing the contact movement; determining a deletion range according to the contact speed information; and deleting according to the deletion range. Through the technical scheme, in the interactive service deleting process, the size of the deleting module does not need to be manually switched, the size of the deleting module can be changed at any time in the size limit value by changing the deleting speed, the size of the deleting module can be switched while the current operation of a user is not interrupted, the size of the deleting module is switched, the operation cost of the user in use is reduced, and the use efficiency is also improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart illustrating a content deletion method for an interactive service according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a method for calculating an erase speed according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a content deleting device of an interactive service according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
The embodiment of the invention provides a content deletion method of an interactive service, which is applied to an interactive device. The operator inputs information and operation commands through the terminal equipment (see the input and output system), the system immediately processes the information after receiving the information, and the processing result is displayed through the terminal equipment. The operator can further input information and operation commands according to the processing result. The present invention is not limited to the single interactive processing device, but may be applied to interactive applications such as interactive learning, and the following embodiments do not describe the present invention.
Further, in a specific application scenario, the interactive apparatus at least includes: interactive screens, interactive whiteboards, and interactive projection screens.
Fig. 1 is a schematic flow chart of a content deletion method for an interactive service according to an embodiment of the present invention. The method specifically comprises the following steps:
This step is intended to obtain the speed information of the contact, wherein the speed can be obtained in many ways, such as: the touch control system comprises capacitive touch sensing, resistive touch sensing, stroboscopic capture and the like, and different acquisition methods of the touch control system do not affect the protection scope of the touch control system as long as the purpose of acquiring the moving speed information of the contact can be achieved.
Further, in order to accurately read the deletion requirement of the client and set the corresponding deletion range interval, in a preferred embodiment of the present application, before the sensing the movement of the contact and acquiring the contact speed information, the method further includes:
setting at least one kind of initial deletion range information;
reading the selection operation of the user and acquiring the initial deletion range information selected by the user;
and generating the deletion range information according to the initial deletion range information.
Further, in order to accurately obtain the moving speed information of the contact, in a preferred embodiment of the present application, the acquiring the contact speed information by sensing the movement of the contact specifically includes:
acquiring contact position information read according to a preset time interval;
calculating a distance difference between the current contact position information and the previous contact position information;
and obtaining the contact point speed information according to the distance difference and the preset time interval.
In a specific application scene, a deleting module is embodied as an eraser function or an eraser module, the system firstly sets several selectable eraser sizes, the eraser function is directly selected by a user or the eraser is called through gesture operation (such as five-finger deleting, area deleting and the like), and each size of the eraser corresponds to a respective limit value. And simultaneously, the system measures and calculates the deletion speed of the user, wherein the deletion speed is the moving speed of a contact point between a hand or a mouse pointer and the interactive large screen, the whiteboard and the like after the rubber is triggered. In a specific application scenario, the calculation method of the deletion speed may be: in the process of moving the hand, the interactive large screen and the whiteboard contact point, the system returns a point, a time point and a coordinate value of the point to the program at regular intervals in the moving distance, and the program calculates the moving distance of the adjacent contact point according to the coordinate value of each contact point in the record history; calculating the moving time of the contact point according to the time point of each point; and calculating the deleting speed of the current moving distance according to a speed calculation formula.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and are not limited thereto. Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
And step 102, determining a deletion range according to the contact point speed information.
This step is intended to determine the size of the deletion range according to the speed information, wherein the corresponding relationship between the speed information and the deletion range can be various, such as: positive correlation, negative correlation, special settings, etc. Meanwhile, the deletion range can be square, round, specially set and the like, and the protection range of the application is not affected by different corresponding relations and different range expression forms of the deletion range.
Further, in order to more accurately change the deletion range according to the speed change, in a preferred embodiment of the present application, the determining the deletion range according to the contact speed information specifically includes:
acquiring deletion range information, wherein the deletion range information comprises a maximum speed limit value and a maximum deletion range limit value corresponding to the maximum speed limit value;
and obtaining the deletion range according to the product of the ratio of the contact speed information to the maximum speed limit value and the maximum deletion range limit value.
It should be noted that, in the process of reading the speed information, there may be a case that the current moving speed is above the maximum speed limit value, in the preferred embodiment of the present application, the determining the deletion range according to the contact speed information further includes:
and when the contact point speed information is greater than the maximum speed limit value, setting the deleting range as the maximum deleting range limit value.
Further, there may be a case that the current moving speed is too slow or 0 in the process of reading the speed information, and in a preferred embodiment of the present application, the acquiring the deletion range information further includes:
a minimum speed limit value and an initial deletion range corresponding to the minimum speed limit value;
and when the contact point speed information is smaller than the minimum speed limit value, setting the deletion range as the initial deletion range.
In a specific application scene, each size of the eraser corresponds to a respective size limit value. According to the change of the deleting speed, the size of the eraser can be changed within a limit value, and the faster the speed is, the closer or equal to the maximum limit value the size of the eraser is; the slower the speed, the closer or equal the eraser size to the minimum limit. The program sets the maximum deletion speed, the minimum deletion speed and the radius of the maximum eraser size, and according to the calculated current deletion speed, the current eraser radius is calculated according to the product of the ratio of the current deletion speed to the maximum deletion speed and the maximum eraser size. When the current deleting speed is higher than the maximum deleting speed, the radius of the current eraser is directly set to be the maximum eraser size, and when the current deleting speed is lower than the minimum deleting speed, the radius of the current eraser is set to be an initial value, namely the eraser size seen by a user when the user selects.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and are not limited thereto. Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
And 103, deleting according to the deletion range.
By applying the technical scheme of the application, the contact speed information is acquired by sensing the movement of the contact; determining a deletion range according to the contact speed information; and deleting according to the deletion range. Through the technical scheme, in the interactive service deleting process, the size of the deleting module does not need to be manually switched, the size of the deleting module can be changed at any time in the size limit value by changing the deleting speed, the size of the deleting module can be switched while the current operation of a user is not interrupted, the size of the deleting module is switched, the operation cost of the user in use is reduced, and the use efficiency is also improved.
In order to further illustrate the technical idea of the present invention, the technical solution of the present invention will now be described with reference to specific application scenarios.
In the specific application scene, when a user directly selects the function of the eraser or calls the eraser through gesture operation and performs erasing operation, the program calculates the size of the eraser according to the erasing speed of the user (erasing speed: the moving speed of a contact point between a hand and an interactive large screen or a whiteboard after triggering the eraser).
Each size of the eraser corresponds to a respective size limit. According to the change of the erasing speed, the size of the eraser can be changed within a limit value, and the faster the speed is, the closer or equal to the maximum limit value the size of the eraser is; the slower the speed, the closer or equal the eraser size to the minimum limit.
The calculation method of the erasing speed comprises the following steps: as shown in fig. 2, in the process of moving the hand and the contact point of the interactive large screen and the whiteboard, the system returns a point, a time point (t) where the point is located, and coordinate values (x, y) every 25ms or so to the program, and the program calculates the moving distance (S) of the contact point according to the coordinate values of the points; then according to the time point of each point, calculating the time (T) of the movement of the contact point; calculating the erasing speed (V) of the current moving distance according to the V-S/T;
the rubber size calculation method comprises the following steps: the maximum erase speed (V) is set in the programmax) And radius of maximum eraser size(Rmax) Based on the calculated current erase speed (V), using the formula V/Vmax＝R/RmaxThe rubber radius (R) is determined.
By applying the technical scheme of the application, the contact speed information is acquired by sensing the movement of the contact; determining a deletion range according to the contact speed information; and deleting according to the deletion range. Through the technical scheme, in the interactive service deleting process, the size of the deleting module does not need to be manually switched, the size of the deleting module can be changed at any time in the size limit value by changing the deleting speed, the size of the deleting module can be switched while the current operation of a user is not interrupted, the size of the deleting module is switched, the operation cost of the user in use is reduced, and the use efficiency is also improved.
Based on the same inventive concept, an embodiment of the present invention further provides a content deletion apparatus for an interactive service, as shown in fig. 3, where the apparatus is applied to an interactive device, and includes:
the acquisition module 301 acquires contact speed information by sensing contact movement;
a determining module 302, configured to determine a deletion range according to the contact speed information;
and the deleting module 303 performs deleting operation according to the deleting range.
In a specific application scenario, the determining module 302 determines the deletion range according to the contact point speed information, which specifically includes:
acquiring deletion range information, wherein the deletion range information comprises a maximum speed limit value and a maximum deletion range limit value corresponding to the maximum speed limit value;
and obtaining the deletion range according to the product of the ratio of the contact speed information to the maximum speed limit value and the maximum deletion range limit value.
In a specific application scenario, the determining module 302 determines the deletion range according to the contact point speed information, and further includes:
and when the contact point speed information is greater than the maximum speed limit value, setting the deleting range as the maximum deleting range limit value.
In a specific application scenario, the determining module 302 obtains the deletion range information, and further includes:
a minimum speed limit value and an initial deletion range corresponding to the minimum speed limit value;
and when the contact point speed information is smaller than the minimum speed limit value, setting the deletion range as the initial deletion range.
In a specific application scenario, before the obtaining module 301 obtains the contact speed information by sensing the movement of the contact, the method further includes:
setting at least one kind of initial deletion range information;
reading the selection operation of the user and acquiring the initial deletion range information selected by the user;
and generating the deletion range information according to the initial deletion range information.
In a specific application scenario, the obtaining module 301 obtains the contact speed information by sensing the movement of the contact, and specifically includes:
acquiring contact position information read according to a preset time interval;
calculating a distance difference between the current contact position information and the previous contact position information;
and obtaining the contact point speed information according to the distance difference and the preset time interval.
In a specific application scenario, the interactive apparatus at least includes: interactive screens, interactive whiteboards, and interactive projection screens.
The device of the foregoing embodiment is used to implement the corresponding method in the foregoing embodiment, and has the beneficial effects of the corresponding method embodiment, which are not described herein again.
Based on the same inventive concept, an embodiment of the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the content deletion method of the interactive service as described above when executing the program.
The electronic device of the foregoing embodiment is used to implement the corresponding method in the foregoing embodiment, and has the beneficial effects of the corresponding method embodiment, which are not described herein again.
Based on the same inventive concept, an embodiment of the present invention further provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are executed on a terminal device, the instructions cause the terminal device to execute the content deletion method for an interactive service as described above.
The storage medium of the foregoing embodiment is used to implement the corresponding method in the foregoing embodiment, and has the beneficial effects of the corresponding method embodiment, which are not described herein again.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
In addition, well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (16)
1. A content deletion method for an interactive service is applied to an interactive device, and comprises the following steps:
acquiring contact speed information by sensing the movement of a contact;
determining a deletion range according to the contact speed information;
and deleting according to the deletion range.
2. The method for deleting content of an interactive service according to claim 1, wherein the determining a deletion range according to the contact point speed information specifically includes:
acquiring deletion range information, wherein the deletion range information comprises a maximum speed limit value and a maximum deletion range limit value corresponding to the maximum speed limit value;
and obtaining the deletion range according to the product of the ratio of the contact speed information to the maximum speed limit value and the maximum deletion range limit value.
3. The method for deleting contents of an interactive service according to claim 2, wherein said determining a deletion range based on said contact point speed information further comprises:
and when the contact point speed information is greater than the maximum speed limit value, setting the deleting range as the maximum deleting range limit value.
4. The method for deleting contents of an interactive service according to claim 2, wherein said obtaining deletion range information further comprises:
a minimum speed limit value and an initial deletion range corresponding to the minimum speed limit value;
and when the contact point speed information is smaller than the minimum speed limit value, setting the deletion range as the initial deletion range.
5. The method for deleting contents of an interactive service according to claim 2, wherein before the acquiring the contact velocity information by sensing the contact movement, further comprising:
setting at least one kind of initial deletion range information;
reading the selection operation of the user and acquiring the initial deletion range information selected by the user;
and generating the deletion range information according to the initial deletion range information.
6. The method for deleting content of an interactive service according to claim 1, wherein the acquiring contact velocity information by sensing contact movement specifically comprises:
acquiring contact position information read according to a preset time interval;
calculating a distance difference between the current contact position information and the previous contact position information;
and obtaining the contact point speed information according to the distance difference and the preset time interval.
7. The method for deleting contents of an interactive service according to any one of claims 1 to 6, wherein said interactive apparatus comprises at least: interactive screens, interactive whiteboards, and interactive projection screens.
8. A content deletion apparatus for an interactive service, applied to an interactive device, comprising:
the acquisition module acquires contact speed information by sensing the movement of the contact;
the determining module is used for determining a deleting range according to the contact speed information;
and the deleting module is used for deleting operation according to the deleting range.
9. The device for deleting content of an interactive service according to claim 8, wherein the determining module determines a deletion range according to the contact speed information, and specifically includes:
acquiring deletion range information, wherein the deletion range information comprises a maximum speed limit value and a maximum deletion range limit value corresponding to the maximum speed limit value;
and obtaining the deletion range according to the product of the ratio of the contact speed information to the maximum speed limit value and the maximum deletion range limit value.
10. The content deletion apparatus for interactive service according to claim 9, wherein said determination module determines a deletion range based on said contact velocity information, further comprising:
and when the contact point speed information is greater than the maximum speed limit value, setting the deleting range as the maximum deleting range limit value.
11. The apparatus for deleting contents of an interactive service according to claim 9, wherein said determining module obtains deletion range information, further comprising:
a minimum speed limit value and an initial deletion range corresponding to the minimum speed limit value;
and when the contact point speed information is smaller than the minimum speed limit value, setting the deletion range as the initial deletion range.
12. The device for deleting contents of an interactive service according to claim 9, wherein before the acquiring module acquires the contact velocity information by sensing the contact movement, the device further comprises:
setting at least one kind of initial deletion range information;
reading the selection operation of the user and acquiring the initial deletion range information selected by the user;
and generating the deletion range information according to the initial deletion range information.
13. The device for deleting content of an interactive service according to claim 8, wherein the obtaining module obtains the contact speed information by sensing a contact movement, and specifically comprises:
acquiring contact position information read according to a preset time interval;
calculating a distance difference between the current contact position information and the previous contact position information;
and obtaining the contact point speed information according to the distance difference and the preset time interval.
14. A content deletion apparatus for an interactive service according to any one of claims 8 to 13, wherein said interactive device comprises at least: interactive screens, interactive whiteboards, and interactive projection screens.
15. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the content deletion method of the interactive service according to any one of claims 1 to 7 when executing the program.
16. A computer-readable storage medium having stored therein instructions that, when run on a terminal device, cause the terminal device to execute the content deletion method of an interactive service of any one of claims 1-7.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113986041A (en) * | 2021-10-27 | 2022-01-28 | 深圳市宝泽科技有限公司 | Method and system for erasing electronic data based on electronic whiteboard eraser |
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| CN113986041B (en) * | 2021-10-27 | 2023-07-21 | 深圳市宝泽科技有限公司 | Method and system for erasing electronic data based on electronic whiteboard eraser |
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