CN111966276A - Method, intelligent pen, equipment and medium for realizing remote annotation - Google Patents
Method, intelligent pen, equipment and medium for realizing remote annotation Download PDFInfo
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- CN111966276A CN111966276A CN202010735469.5A CN202010735469A CN111966276A CN 111966276 A CN111966276 A CN 111966276A CN 202010735469 A CN202010735469 A CN 202010735469A CN 111966276 A CN111966276 A CN 111966276A
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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
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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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
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Abstract
The invention provides a method, an intelligent pen, equipment and a medium for realizing remote annotation, wherein the method comprises the steps of establishing connection with interactive intelligent equipment; receiving a trigger instruction of an expected function, and transmitting the trigger instruction to interactive intelligent equipment so that the interactive intelligent equipment can start the expected function based on the trigger instruction; acquiring the moving track data of the intelligent pen in real time at a set acquisition speed by using an acceleration sensor; and transmitting the movement track data to interactive intelligent equipment so that the interactive intelligent equipment can perform screen coordinate matching processing based on the movement track data and execute expected function operation on corresponding position information on a screen. The invention has the advantages that: the method can realize the operations of annotating and condensing the content of any channel demonstration at any position under the condition of not touching or operating a keyboard and a mouse, and can bring great convenience to the actual teaching work.
Description
Technical Field
The invention relates to the technical field of teaching products, in particular to a method, an intelligent pen, equipment and a medium for realizing remote annotation.
Background
At present, interactive intelligent equipment is widely applied to the teaching neighborhood, teachers give lessons by using the teaching device, and when the interactive intelligent equipment interacts with students under a platform, the traditional page turning pen has a single function and cannot meet the actual use requirement; and the laser pen can't annotate and spotlight the textbook, and also has the injury to student's eyesight, more can't switch the demonstration content of a plurality of display channels. At this moment, just need design a product to help mr better carry out the interdynamic with the student, improve teaching efficiency.
Through retrieval, various intelligent pens exist in the prior art, and if the application date is 2018.09.18 and the application number is 201811088497.1, the Chinese invention patent discloses an intelligent pen which mainly comprises an MCU module, a camera module, a G-sensor module, a communication module and a power module; the intelligent pen collects and records writing contents and writing postures through the G-sensor module for feeding back the student writing homework condition. If the application date is 2018.10.22, the chinese patent application No. 201811227241.4 discloses an intelligent pen, which mainly comprises a voice module, a touch module and an inertia module; the voice module recognizes voice to generate text data, and the pen body key is used for mouse operation, so that the electronic device is controlled.
However, the above-mentioned smart pen and other related smart pens in the prior art cannot realize the functions of remote mobile annotation and light gathering. Therefore, the problem that the content of the demonstration needs to be annotated and focused when a teacher interacts with the student under the platform cannot be solved.
Disclosure of Invention
The invention aims to provide a method, an intelligent pen, equipment and a medium for realizing remote annotation, and solve the problem that the existing intelligent pen cannot realize remote mobile annotation and light gathering functions.
In a first aspect, the invention provides a method for implementing remote annotation, which is applied to a smart pen; the method comprises the following steps:
establishing connection with interactive intelligent equipment;
receiving a trigger instruction of an expected function, and transmitting the trigger instruction to interactive intelligent equipment so that the interactive intelligent equipment can start the expected function based on the trigger instruction;
acquiring moving track data of the intelligent pen in real time at a set acquisition speed by using an acceleration sensor;
and transmitting the movement track data to interactive intelligent equipment so that the interactive intelligent equipment can perform screen coordinate matching processing based on the movement track data and execute expected function operation on corresponding position information on a screen.
Further, the real-time acquisition of the movement track data of the smart pen using the acceleration sensor at the set acquisition speed specifically comprises:
establishing a space rectangular coordinate system by taking the initial moving position of the intelligent pen as the origin of coordinates; dynamically acquiring a three-dimensional space coordinate of a moving position point of the intelligent pen in real time at a set acquisition speed by using an acceleration sensor, and converting the acquired three-dimensional space coordinate according to a conversion matrix to obtain a two-dimensional coordinate of the moving position point of the intelligent pen; and collecting the two-dimensional coordinates of all the moving position points obtained by conversion into moving track data according to the sequence of collection.
Further, the screen coordinate matching processing performed by the interactive intelligent device based on the movement trajectory data specifically comprises:
selecting a reference coordinate of the intelligent pen after converting the three-dimensional space coordinate into the two-dimensional coordinate, and establishing a mapping relation between the reference coordinate of the intelligent pen and the reference coordinate of the interactive intelligent device; and after the interactive intelligent equipment receives the moving track data, mapping and matching the position information between the intelligent pen and the interactive intelligent equipment according to the mapping relation.
Further, the desired function includes an annotating function, a focusing function or a zooming function.
In a second aspect, the invention provides an intelligent pen for realizing remote annotation, which comprises a connecting unit, an instruction triggering unit, a track acquisition unit and a function execution unit;
the connection unit is used for establishing connection with the interactive intelligent equipment;
the instruction triggering unit is used for receiving a triggering instruction of an expected function and transmitting the triggering instruction to the interactive intelligent equipment so that the interactive intelligent equipment can start the expected function based on the triggering instruction;
the track acquisition unit is used for acquiring the moving track data of the intelligent pen in real time at a set acquisition speed by using the acceleration sensor;
and the function execution unit is used for transmitting the moving track data to the interactive intelligent equipment so that the interactive intelligent equipment can perform screen coordinate matching processing based on the moving track data and execute expected function operation on corresponding position information on a screen.
Further, the real-time acquisition of the movement track data of the smart pen using the acceleration sensor at the set acquisition speed specifically comprises:
establishing a space rectangular coordinate system by taking the initial moving position of the intelligent pen as the origin of coordinates; dynamically acquiring a three-dimensional space coordinate of a moving position point of the intelligent pen in real time at a set acquisition speed by using an acceleration sensor, and converting the acquired three-dimensional space coordinate according to a conversion matrix to obtain a two-dimensional coordinate of the moving position point of the intelligent pen; and collecting the two-dimensional coordinates of all the moving position points obtained by conversion into moving track data according to the sequence of collection.
Further, the screen coordinate matching processing performed by the interactive intelligent device based on the movement trajectory data specifically comprises:
selecting a reference coordinate of the intelligent pen after converting the three-dimensional space coordinate into the two-dimensional coordinate, and establishing a mapping relation between the reference coordinate of the intelligent pen and the reference coordinate of the interactive intelligent device; and after the interactive intelligent equipment receives the moving track data, mapping and matching the position information between the intelligent pen and the interactive intelligent equipment according to the mapping relation.
Further, the desired function includes an annotating function, a focusing function or a zooming function.
In a third aspect, the present invention provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method of the first aspect when executing the program.
In a fourth aspect, the invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the method of the first aspect.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:
by applying the technical scheme of the invention to the intelligent pen, the contents of any channel demonstration can be annotated and focused at any position without touching or operating a keyboard and a mouse, and great convenience can be brought to actual teaching work. Compared with the laser pen with higher utilization rate at present, the laser pen can not only solve the problems that the laser pen cannot carry out annotation and light condensation, and the like, but also avoid the problem of eyesight damage to students caused by misoperation of the laser pen.
The above description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a flowchart of a method for implementing remote annotation according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an apparatus according to a second embodiment of the present invention for implementing remote annotation;
fig. 3 is a schematic structural diagram of an electronic device according to a third embodiment of the invention;
fig. 4 is a schematic structural diagram of a medium according to a fourth embodiment of the present invention.
Detailed Description
The embodiment of the application provides a method, an intelligent pen, equipment and a medium for realizing remote annotation, and is used for solving the problem that the existing intelligent pen cannot realize remote mobile annotation and light condensation functions, and realizing annotation and light condensation of contents demonstrated in any channel at any position without touching or operating a keyboard and a mouse, so that great convenience can be brought to actual teaching work.
The technical scheme in the embodiment of the application has the following general idea: establishing connection between the intelligent pen and the interactive intelligent equipment; transmitting a trigger instruction of an expected function to the interactive intelligent equipment through the intelligent pen to enable the interactive intelligent equipment to start the expected function; and transmitting the movement track data to the interactive intelligent equipment through the intelligent pen, so that the interactive intelligent equipment executes expected functions according to the movement track data.
Example one
The embodiment provides a method for realizing remote annotation, and as shown in fig. 2, the method is applied to a smart pen; the method comprises the following steps:
establishing connection with interactive intelligent equipment; during specific implementation, a request for establishing connection is sent to the interactive intelligent device by the intelligent pen, the interactive intelligent device detects the connection after receiving the request for connection, and if the connection is passed through, the interactive intelligent device establishes connection with the intelligent pen; if the detection is not passed, the connection with the intelligent pen is not established;
receiving a triggering instruction of an expected function, and during specific implementation, triggering the instruction of the expected function through a key arranged on the smart pen, and transmitting the triggering instruction to the interactive smart device so that the interactive smart device can start the expected function based on the triggering instruction;
acquiring moving track data of the intelligent pen in real time at a set acquisition speed by using an acceleration sensor; the acceleration sensor is contained in the intelligent pen, when the intelligent pen is specifically implemented, the moving track of the intelligent pen can be acquired only by setting the acquisition speed of the acceleration sensor, and the acquisition speed can be set according to actual needs;
and transmitting the movement track data to interactive intelligent equipment so that the interactive intelligent equipment can perform screen coordinate matching processing based on the movement track data and execute expected function operation on corresponding position information on a screen.
In this embodiment, the acquiring the movement trajectory data of the smart pen in real time at the set acquiring speed by using the acceleration sensor specifically includes:
establishing a space rectangular coordinate system by taking the initial moving position of the intelligent pen as the origin of coordinates; dynamically acquiring a three-dimensional space coordinate of a moving position point of the intelligent pen in real time at a set acquisition speed by using an acceleration sensor, and converting the acquired three-dimensional space coordinate according to a conversion matrix to obtain a two-dimensional coordinate of the moving position point of the intelligent pen; and collecting the two-dimensional coordinates of all the moving position points obtained by conversion into moving track data according to the sequence of collection. During specific implementation, the two-dimensional coordinates of the converted moving position points are connected according to the collected sequence, the displacement of the two-dimensional coordinates of all the moving position points is the track section moved by the intelligent pen, and all the track sections are spliced together to obtain moving track data.
In this embodiment, the screen coordinate matching processing performed by the interactive intelligent device based on the movement trajectory data specifically includes:
selecting a reference coordinate of the intelligent pen after converting the three-dimensional space coordinate into the two-dimensional coordinate, and establishing a mapping relation between the reference coordinate of the intelligent pen and the reference coordinate of the interactive intelligent device; and after the interactive intelligent equipment receives the moving track data, mapping and matching the position information between the intelligent pen and the interactive intelligent equipment according to the mapping relation.
In this embodiment, the expected function includes an annotating function, a focusing function or a zooming function, and of course, other functions may be set according to actual needs in specific implementation.
The technical solution of the present invention is further illustrated by the following specific examples:
take remote annotation as an example. Firstly, establishing connection between an intelligent pen and interactive intelligent equipment, and clicking an annotation function button on the intelligent pen so as to send a keyboard combination key instruction to the interactive intelligent equipment; after receiving a keyboard combination key instruction, the interactive intelligent device triggers and starts the annotation function according to a specific key clicking event. Then, establishing a space rectangular coordinate system by taking the initial moving position as a coordinate origin, dynamically acquiring the three-dimensional space coordinates of the moving position point of the intelligent pen in real time at a set acquisition speed by using an acceleration sensor, converting the acquired three-dimensional space coordinates into two-dimensional coordinates, integrating the two-dimensional coordinates into moving track data, and transmitting the moving track data to the interactive intelligent equipment; and finally, the interactive intelligent equipment maps and matches the position information between the intelligent pen and the interactive intelligent equipment according to the mapping relation, and notes are given to the matched position information on a desktop screen of the interactive intelligent equipment.
Take the implementation of a spotlight function as an example. Firstly, establishing connection between an intelligent pen and interactive intelligent equipment, and clicking a light-gathering function button on the intelligent pen so as to send a keyboard combination key instruction to the interactive intelligent equipment; after receiving a keyboard combination key instruction, the interactive intelligent device triggers the starting of a light condensation function according to a specific key clicking event, specifically, the interactive intelligent device takes the coordinate of a moving position point of an intelligent pen as a center, takes the region light condensation area with the distance center as R, has an adjustable R value, adjusts the transparency of a light condensation region and a surrounding layer, and contrasts and highlights the light condensation region; then, establishing a space rectangular coordinate system by taking the initial moving position as a coordinate origin, dynamically acquiring the three-dimensional space coordinate of the moving position point of the intelligent pen in real time at a set acquisition speed by using an acceleration sensor, converting the acquired three-dimensional space coordinate into a two-dimensional coordinate, integrating the two-dimensional coordinate into moving track data, and transmitting the moving track data to the interactive intelligent equipment; and finally, the interactive intelligent equipment maps and matches the position information between the intelligent pen and the interactive intelligent equipment according to the mapping relation, and focuses light on the matched position information on a desktop screen of the interactive intelligent equipment.
Based on the same inventive concept, the application also provides an intelligent pen corresponding to the method in the first embodiment, which is detailed in the second embodiment.
Example two
In this embodiment, an intelligent pen for implementing remote annotation is provided, as shown in fig. 3, the intelligent pen includes a connection unit, an instruction triggering unit, a trajectory acquisition unit, and a function execution unit;
the connection unit is used for establishing connection with the interactive intelligent equipment; during specific implementation, a request for establishing connection is sent to the interactive intelligent device by the intelligent pen, the interactive intelligent device detects the connection after receiving the request for establishing connection, and if the connection is passed through, the interactive intelligent device establishes connection with the intelligent pen; if the detection is not passed, the connection with the intelligent pen is not established;
the instruction triggering unit is used for receiving a triggering instruction of an expected function, and when the instruction is specifically implemented, the instruction of the expected function can be triggered through a key arranged on the smart pen, and the triggering instruction is transmitted to the interactive smart device so that the interactive smart device can start the expected function based on the triggering instruction;
the track acquisition unit is used for acquiring the moving track data of the intelligent pen in real time at a set acquisition speed by using the acceleration sensor; the acceleration sensor is contained in the intelligent pen, when the intelligent pen is specifically implemented, the moving track of the intelligent pen can be acquired only by setting the acquisition speed of the acceleration sensor, and the acquisition speed can be set according to actual needs;
and the function execution unit is used for transmitting the moving track data to the interactive intelligent equipment so that the interactive intelligent equipment can perform screen coordinate matching processing based on the moving track data and execute expected function operation on corresponding position information on a screen.
In this embodiment, the acquiring the movement trajectory data of the smart pen in real time at the set acquiring speed by using the acceleration sensor specifically includes:
establishing a space rectangular coordinate system by taking the initial moving position of the intelligent pen as the origin of coordinates; dynamically acquiring a three-dimensional space coordinate of a moving position point of the intelligent pen in real time at a set acquisition speed by using an acceleration sensor, and converting the acquired three-dimensional space coordinate according to a conversion matrix to obtain a two-dimensional coordinate of the moving position point of the intelligent pen; and collecting the two-dimensional coordinates of all the moving position points obtained by conversion into moving track data according to the sequence of collection. During specific implementation, the two-dimensional coordinates of the converted moving position points are connected according to the collected sequence, the displacement of the two-dimensional coordinates of all the moving position points is the track section moved by the intelligent pen, and all the track sections are spliced together to obtain moving track data.
In this embodiment, the screen coordinate matching processing performed by the interactive intelligent device based on the movement trajectory data specifically includes:
selecting a reference coordinate of the intelligent pen after converting the three-dimensional space coordinate into the two-dimensional coordinate, and establishing a mapping relation between the reference coordinate of the intelligent pen and the reference coordinate of the interactive intelligent device; and after the interactive intelligent equipment receives the moving track data, mapping and matching the position information between the intelligent pen and the interactive intelligent equipment according to the mapping relation.
In this embodiment, the expected function includes an annotating function, a focusing function or a zooming function, and of course, other functions may be set according to actual needs in specific implementation.
Since the smart pen described in the second embodiment of the present invention is the smart pen used in the method of the first embodiment of the present invention, based on the method described in the first embodiment of the present invention, a person skilled in the art can understand the specific structure and the deformation of the smart pen, and thus the details are not described herein. All the intelligent pens adopted by the method in the first embodiment of the invention belong to the protection scope of the invention.
Based on the same inventive concept, the application provides an electronic device embodiment corresponding to the first embodiment, which is detailed in the third embodiment.
EXAMPLE III
The present embodiment provides an electronic device, as shown in fig. 4, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, any implementation manner of the first embodiment may be implemented.
Since the electronic device described in this embodiment is a device used for implementing the method in the first embodiment of the present application, based on the method described in the first embodiment of the present application, a person skilled in the art can understand the specific implementation manner of the electronic device in this embodiment and various variations thereof, and therefore, how to implement the method in the first embodiment of the present application by the electronic device is not described in detail herein. The equipment used by those skilled in the art to implement the methods in the embodiments of the present application is within the scope of the present application.
Based on the same inventive concept, the application provides a storage medium corresponding to the fourth embodiment, which is detailed in the fourth embodiment.
Example four
The present embodiment provides a computer-readable storage medium, as shown in fig. 4, on which a computer program is stored, and when the computer program is executed by a processor, any one of the embodiments can be implemented.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, a smart pen, or a computer program product. Accordingly, the present invention may take the form of an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, smart pens and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The technical scheme provided in the embodiment of the application at least has the following technical effects or advantages: by applying the technical scheme of the invention to the intelligent pen, the contents of any channel demonstration can be annotated and focused at any position without touching or operating a keyboard and a mouse, and great convenience can be brought to actual teaching work. Compare with the laser pen that present rate of utilization is higher, not only can solve the laser pen and can't annotate, spotlight scheduling problem, can avoid moreover because of the laser pen maloperation the eyesight injury problem that brings for the student.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (10)
1. A method for realizing remote annotation is characterized in that: the method is applied to a smart pen; the method comprises the following steps:
establishing connection with interactive intelligent equipment;
receiving a trigger instruction of an expected function, and transmitting the trigger instruction to interactive intelligent equipment so that the interactive intelligent equipment can start the expected function based on the trigger instruction;
acquiring the moving track data of the intelligent pen in real time at a set acquisition speed by using an acceleration sensor;
and transmitting the movement track data to interactive intelligent equipment so that the interactive intelligent equipment can perform screen coordinate matching processing based on the movement track data and execute expected function operation on corresponding position information on a screen.
2. The method for realizing remote annotation according to claim 1, wherein: the method is characterized in that the acceleration sensor is used for acquiring the movement track data of the intelligent pen in real time at a set acquisition speed:
establishing a space rectangular coordinate system by taking the initial moving position of the intelligent pen as the origin of coordinates; dynamically acquiring the three-dimensional space coordinates of the moving position point of the intelligent pen in real time at a set acquisition speed by using an acceleration sensor, and converting the acquired three-dimensional space coordinates according to a conversion matrix to obtain the two-dimensional coordinates of the moving position point of the intelligent pen; and collecting the two-dimensional coordinates of all the moving position points obtained by conversion into moving track data according to the sequence of collection.
3. The method for realizing remote annotation according to claim 1, wherein: the interactive intelligent equipment performs screen coordinate matching processing based on the moving track data specifically comprises the following steps:
selecting a reference coordinate of the intelligent pen after converting the three-dimensional space coordinate into the two-dimensional coordinate, and establishing a mapping relation between the reference coordinate of the intelligent pen and the reference coordinate of the interactive intelligent device; and after the interactive intelligent equipment receives the moving track data, mapping and matching the position information between the intelligent pen and the interactive intelligent equipment according to the mapping relation.
4. The method for realizing remote annotation according to claim 1, wherein: the desired function comprises an annotation function, a spotlight function or a zoom function.
5. The utility model provides a realize intelligent pen of remote annotation which characterized in that: the intelligent pen comprises a connecting unit, an instruction triggering unit, a track acquisition unit and a function execution unit;
the connection unit is used for establishing connection with the interactive intelligent equipment;
the instruction triggering unit is used for receiving a triggering instruction of an expected function and transmitting the triggering instruction to the interactive intelligent equipment so that the interactive intelligent equipment can start the expected function based on the triggering instruction;
the track acquisition unit is used for acquiring the moving track data of the intelligent pen in real time at a set acquisition speed by using the acceleration sensor;
and the function execution unit is used for transmitting the moving track data to the interactive intelligent equipment so that the interactive intelligent equipment can perform screen coordinate matching processing based on the moving track data and execute expected function operation on corresponding position information on a screen.
6. The intelligent pen for realizing remote annotation according to claim 5, wherein: the method is characterized in that the acceleration sensor is used for acquiring the movement track data of the intelligent pen in real time at a set acquisition speed:
establishing a space rectangular coordinate system by taking the initial moving position of the intelligent pen as the origin of coordinates; dynamically acquiring the three-dimensional space coordinates of the moving position point of the intelligent pen in real time at a set acquisition speed by using an acceleration sensor, and converting the acquired three-dimensional space coordinates according to a conversion matrix to obtain the two-dimensional coordinates of the moving position point of the intelligent pen; and collecting the two-dimensional coordinates of all the moving position points obtained by conversion into moving track data according to the sequence of collection.
7. The intelligent pen for realizing remote annotation according to claim 5, wherein: the interactive intelligent equipment performs screen coordinate matching processing based on the moving track data specifically comprises the following steps:
selecting a reference coordinate of the intelligent pen after converting the three-dimensional space coordinate into the two-dimensional coordinate, and establishing a mapping relation between the reference coordinate of the intelligent pen and the reference coordinate of the interactive intelligent device; and after the interactive intelligent equipment receives the moving track data, mapping and matching the position information between the intelligent pen and the interactive intelligent equipment according to the mapping relation.
8. The intelligent pen for realizing remote annotation according to claim 5, wherein: the desired function comprises an annotation function, a spotlight function or a zoom function.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1 to 4 when executing the program.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1 to 4.
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Application publication date: 20201120 |