CN111966235A - Method, device, equipment and medium for realizing touch projection product without repositioning - Google Patents
Method, device, equipment and medium for realizing touch projection product without repositioning Download PDFInfo
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
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Abstract
The invention provides a method, a device, equipment and a medium for realizing touch projection products without repositioning, wherein the method comprises the steps that after the touch projection products are subjected to first positioning calibration operation, a positioning software unit obtains a product serial number of the touch projection products, generated positioning data and the product serial number are bound, and the bound positioning data and the product serial number are stored in a local storage unit; when a touch projection product is started subsequently, the positioning software unit sends a positioning data query request with a product serial number to the local storage unit and receives positioning data matched and returned by the local storage unit based on the positioning data query request; and the positioning software unit automatically writes the received positioning data into a positioning configuration file of the touch projection product. The invention has the advantages that: the touch projection product can be used anytime and anywhere, repositioning and calibrating operation on the touch projection product is not needed, the use difficulty of a user can be greatly reduced, and the use efficiency of the product is improved.
Description
Technical Field
The invention relates to the technical field of touch projection products, in particular to a method, a device, equipment and a medium for realizing the touch projection product without repositioning.
Background
In the digital campus and digital office, the projection scheme is widely applied due to adjustable area and low cost. Among them, the projection interactive electronic whiteboard product is widely used in teaching scenes and various meeting environments. The problem of projection distortion has been a technical problem to be solved by electronic whiteboard products, and various electronic whiteboard positioning methods have been used to solve such problems. However, the problem that the device needs to be repositioned when the device is improperly installed or the external portable terminal or the system is powered on and restored is still not solved.
For example, chinese patent application No. 201610211049.0, which is filed as 2016.04.06, discloses an automatic positioning projector and an automatic positioning method, in which photosensitive sensors are installed at four corners of a projection screen, and receive light signals through the sensors to adjust the projector for positioning and focusing. For another example, the chinese patent application No. 201110183887.9, filed as 2011.07.03, discloses a method for positioning and calculating the location of a touch point on a distorted projection plane in an interactive whiteboard, and the technical scheme obtains and stores coordinates of a calibration point through an electronic whiteboard positioning device; by utilizing the constraint relation, the screen coordinates Xdisp and Ydisp of the touch points are calculated, and the method has the advantages that: no matter the projection interface has distortion such as inclination, vertical trapezoid, horizontal trapezoid and the like, the screen coordinates of the touch point can be accurately calculated only by using the calibration point, the position of the touch point is ensured to be overlapped with a mouse on the projection interface, the calculation amount is reduced, and the real-time performance of the system is improved. However, in either of the above methods, once the application scene changes, the positioning calibration operation needs to be performed again, which causes great inconvenience for practical use.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method, an apparatus, a device and a medium for implementing a touch projection product without repositioning, so as to solve the problem that once an application scene of an existing touch projection product is changed, the positioning calibration operation needs to be performed again.
In a first aspect, the present invention provides a method for implementing a touch projection product without repositioning, the method comprising:
after the touch projection product finishes the first positioning calibration operation, the positioning software unit acquires a product serial number of the touch projection product, binds positioning data generated by the first positioning calibration with the product serial number, and stores the bound positioning data and the product serial number in a local storage unit;
when a touch projection product is started subsequently, the positioning software unit sends a positioning data query request with a product serial number to the local storage unit and receives positioning data matched and returned by the local storage unit based on the positioning data query request;
the positioning software unit automatically writes the received positioning data into a positioning configuration file of the touch projection product, so that the automatic positioning of the touch projection product is realized.
Further, the method further comprises:
storing the bound positioning data and the product serial number into a remote server; when the local storage unit does not match the positioning data based on the positioning data query request, the positioning software unit sends the positioning data query request with the product serial number to the remote server, and receives the positioning data matched and returned by the remote server based on the positioning data query request.
Further, the method further comprises:
when the positioning data of the touch projection product needs to be updated, the positioning calibration operation of the touch projection product is executed again to generate new positioning data; and updating the new positioning data to a local storage unit and a remote server based on the product serial number of the touch projection product.
In a second aspect, the invention provides a device for realizing touch projection products without repositioning, which comprises a data binding module, a local data matching module and an automatic positioning module;
the data binding module is used for acquiring a product serial number of the touch projection product by the positioning software unit after the touch projection product completes the first positioning calibration operation, binding positioning data generated by the first positioning calibration with the product serial number, and storing the bound positioning data and the product serial number into the local storage unit;
the local data matching module is used for sending a positioning data query request with a product serial number to the local storage unit by the positioning software unit and receiving positioning data matched and returned by the local storage unit based on the positioning data query request when the touch projection product is started in the following each time;
the automatic positioning module is used for the positioning software unit to automatically write the received positioning data into a positioning configuration file of the touch projection product, so that the automatic positioning of the touch projection product is realized.
Further, the device also comprises a remote data matching module;
the remote data matching module is used for storing the bound positioning data and the product serial number into a remote server; when the local storage unit does not match the positioning data based on the positioning data query request, the positioning software unit sends the positioning data query request with the product serial number to the remote server, and receives the positioning data matched and returned by the remote server based on the positioning data query request.
Further, the device also comprises a data updating module;
the data updating module is used for re-executing the positioning calibration operation on the touch projection product to generate new positioning data when the positioning data of the touch projection product needs to be updated; and updating the new positioning data to a local storage unit and a remote server based on the product serial number of the touch projection product.
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, wherein the processor implements 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: the technical scheme of the invention solves the problem that the existing touch projection product needs to be subjected to positioning calibration operation again once the application scene is changed, can realize that the touch projection product does not need to be subjected to the positioning calibration operation again no matter where and when the touch projection product is used, can greatly reduce the use difficulty of a user, and improves the use efficiency of the product.
The foregoing 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 block diagram of an execution flow of a method for implementing a touch projection product without repositioning according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a touch projection product without repositioning implementation apparatus according to a second embodiment of the present invention;
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, a device, equipment and a medium for realizing that a touch projection product does not need to be repositioned, and is used for solving the problem that the existing touch projection product needs to be repositioned and calibrated once an application scene is changed, so that the touch projection product can be used anytime and anywhere without repositioning and calibrating the touch projection product, the use difficulty of a user can be greatly reduced, and the use efficiency of the product is improved.
The technical scheme in the embodiment of the application has the following general idea: after the positioning calibration operation is carried out on the touch projection product for the first time, the generated positioning data and the product serial number of the touch projection product are bound, and the bound positioning data and the product serial number are stored in a local storage unit or a remote server; and when the touch projection product is started at subsequent time, acquiring positioning data from a local storage unit or a remote server through a request with a product serial number, and automatically positioning by using the acquired positioning data.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
Example one
The embodiment provides a method for realizing a touch projection product without repositioning, as shown in fig. 1, the method includes:
when the touch projection product is implemented specifically, each touch projection product has a unique product serial number which is used for uniquely identifying each touch projection product; the method comprises the steps that positioning data generated by first positioning calibration are bound with a product serial number, wherein the positioning data comprise data such as positioning points, whiteboard hardware positioning coordinates and the like, and the bound positioning data and the product serial number are stored in a local storage unit so that the corresponding positioning data can be obtained from the local storage unit according to the product serial number in the following process;
when the touch projection product is started subsequently, the positioning software unit sends a positioning data query request with a product serial number to the local storage unit, and in specific implementation, the positioning software unit can send the query request to the local storage unit through but not limited to USB communication, and receives positioning data matched and returned by the local storage unit based on the positioning data query request, namely, after the local storage unit receives the positioning data query request of the positioning software unit, the product serial number is extracted from the positioning data query request, the positioning data stored in the local storage unit is matched according to the product serial number, and the matched positioning data is returned to the positioning software unit;
the positioning software unit automatically writes the received positioning data into a positioning configuration file of the touch projection product, so as to realize automatic positioning of the touch projection product, and when the method is specifically implemented, the positioning mode of the touch projection product includes but is not limited to the following modes: and establishing a mapping relation between the projection area coordinates and the computer screen coordinates, and positioning according to the mapping relation.
In this embodiment, the method further includes:
when the method is implemented specifically, the positioning software unit can use an HTTP (hyper text transport protocol) protocol to send the positioning data and the product serial number to the remote server and store the positioning data and the product serial number in the remote server; when the local storage unit does not match the positioning data based on the positioning data query request, the positioning software unit sends the positioning data query request with the product serial number to the remote server and receives the positioning data matched and returned by the remote server based on the positioning data query request; that is to say, the present invention provides a dual backup guarantee in this embodiment, and when the positioning software unit does not match the positioning data in the local storage unit, the positioning software unit can also query the remote server to obtain the positioning data by way of network query.
In this embodiment, to implement the update of the positioning data, the method further includes:
when the positioning data of the touch projection product needs to be updated, the positioning calibration operation of the touch projection product is executed again to generate new positioning data; when the invention is implemented in detail, after the positioning calibration operation is executed again to generate new positioning data, the positioning software unit updates the new positioning data to the local storage unit and the remote server according to the obtained product serial number of the touch projection product.
Based on the same inventive concept, the application also provides a device corresponding to the method in the first embodiment, which is detailed in the second embodiment.
Example two
In the embodiment, a touch projection product realization device without repositioning is provided, as shown in fig. 2, the device includes a data binding module, a local data matching module, and an automatic positioning module;
the data binding module is used for acquiring a product serial number of the touch projection product by the positioning software unit after the touch projection product completes the first positioning calibration operation; the method comprises the steps that positioning data generated by first positioning calibration are bound with a product serial number, wherein the positioning data comprise data such as positioning points, whiteboard hardware positioning coordinates and the like, and the bound positioning data and the product serial number are stored in a local storage unit so that the corresponding positioning data can be obtained from the local storage unit according to the product serial number in the following process;
the local data matching module is used for sending a positioning data query request with a product serial number to the local storage unit by the positioning software unit when the touch projection product is started subsequently each time, and in the specific implementation of the invention, the positioning software unit can send the query request to the local storage unit through, but not limited to, USB communication, and receives positioning data matched and returned by the local storage unit based on the positioning data query request, namely, after the local storage unit receives the positioning data query request of the positioning software unit, the product serial number is extracted from the positioning data query request, the positioning data stored in the local storage unit is matched according to the product serial number, and the matched positioning data is returned to the positioning software unit;
the automatic positioning module is used for the positioning software unit to automatically write the received positioning data into the positioning configuration file of the touch projection product, so as to realize the automatic positioning of the touch projection product, and when the method is specifically implemented, the positioning mode of the touch projection product includes but is not limited to the following modes: and establishing a mapping relation between the projection area coordinates and the computer screen coordinates, and positioning according to the mapping relation.
In this embodiment, the apparatus further comprises a remote data matching module;
the remote data matching module is used for storing the bound positioning data and the product serial number into the remote server, and when the method is specifically implemented, the positioning software unit can use an HTTP (hyper text transport protocol) protocol to send the positioning data and the product serial number to the remote server and store the positioning data and the product serial number in the remote server; when the local storage unit does not match the positioning data based on the positioning data query request, the positioning software unit sends the positioning data query request with the product serial number to the remote server and receives the positioning data matched and returned by the remote server based on the positioning data query request; that is to say, the present invention provides a dual backup guarantee in this embodiment, and when the positioning software unit does not match the positioning data in the local storage unit, the positioning software unit can also query the remote server to obtain the positioning data by way of network query.
In this embodiment, in order to update the positioning data, the apparatus further includes a data updating module;
the data updating module is used for re-executing the positioning calibration operation on the touch projection product to generate new positioning data when the positioning data of the touch projection product needs to be updated; when the invention is implemented in detail, after the positioning calibration operation is executed again to generate new positioning data, the positioning software unit updates the new positioning data to the local storage unit and the remote server according to the obtained product serial number of the touch projection product.
Since the apparatus described in the second embodiment of the present invention is an apparatus used for implementing 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 apparatus, and thus the details are not described herein. All the devices adopted in the method of the first embodiment of the present invention belong to the protection scope of the present 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 embodiment provides an electronic device, as shown in fig. 3, 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 one of the first embodiment modes 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 specific implementation of the electronic device in this embodiment and various variations thereof can be understood by those skilled in the art, 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 described in detail 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.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, 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 is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus, 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: the technical scheme of the invention solves the problem that the existing touch projection product needs to be subjected to positioning calibration operation again once the application scene is changed, can realize that the touch projection product does not need to be subjected to the positioning calibration operation again no matter where and when the touch projection product is used, can greatly reduce the use difficulty of a user, and improves the use efficiency of the product.
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 (8)
1. A touch projection product realization method without repositioning is characterized in that: the method comprises the following steps:
after the touch projection product finishes the first positioning calibration operation, the positioning software unit acquires a product serial number of the touch projection product, binds positioning data generated by the first positioning calibration with the product serial number, and stores the bound positioning data and the product serial number in a local storage unit;
when a touch projection product is started subsequently, the positioning software unit sends a positioning data query request with a product serial number to the local storage unit and receives positioning data matched and returned by the local storage unit based on the positioning data query request;
the positioning software unit automatically writes the received positioning data into a positioning configuration file of the touch projection product, so that the automatic positioning of the touch projection product is realized.
2. The touch projection product relocation-free implementation method of claim 1, wherein: the method further comprises the following steps:
storing the bound positioning data and the product serial number into a remote server; when the local storage unit does not match the positioning data based on the positioning data query request, the positioning software unit sends the positioning data query request with the product serial number to the remote server, and receives the positioning data matched and returned by the remote server based on the positioning data query request.
3. The touch projection product relocation-free implementation method according to claim 1 or 2, wherein: the method further comprises the following steps:
when the positioning data of the touch projection product needs to be updated, the positioning calibration operation of the touch projection product is executed again to generate new positioning data; and updating the new positioning data to a local storage unit and a remote server based on the product serial number of the touch projection product.
4. The utility model provides a touch-control projection product need not relocation realizing device which characterized in that: the device comprises a data binding module, a local data matching module and an automatic positioning module;
the data binding module is used for acquiring a product serial number of the touch projection product by the positioning software unit after the touch projection product completes the first positioning calibration operation, binding positioning data generated by the first positioning calibration with the product serial number, and storing the bound positioning data and the product serial number into the local storage unit;
the local data matching module is used for sending a positioning data query request with a product serial number to the local storage unit by the positioning software unit and receiving positioning data matched and returned by the local storage unit based on the positioning data query request when the touch projection product is started in the following each time;
the automatic positioning module is used for the positioning software unit to automatically write the received positioning data into a positioning configuration file of the touch projection product, so that the automatic positioning of the touch projection product is realized.
5. The touch projection product implementation device without repositioning as claimed in claim 4, wherein: the apparatus also includes a remote data matching module;
the remote data matching module is used for storing the bound positioning data and the product serial number into a remote server; when the local storage unit does not match the positioning data based on the positioning data query request, the positioning software unit sends the positioning data query request with the product serial number to the remote server, and receives the positioning data matched and returned by the remote server based on the positioning data query request.
6. The touch projection product implementation device without repositioning according to claim 4 or 5, wherein: the device also comprises a data updating module;
the data updating module is used for re-executing the positioning calibration operation on the touch projection product to generate new positioning data when the positioning data of the touch projection product needs to be updated; and updating the new positioning data to a local storage unit and a remote server based on the product serial number of the touch projection product.
7. 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 3 when executing the program.
8. 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 3.
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| CN202010735464.2A CN111966235A (en) | 2020-07-28 | 2020-07-28 | Method, device, equipment and medium for realizing touch projection product without repositioning |
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| CN202010735464.2A CN111966235A (en) | 2020-07-28 | 2020-07-28 | Method, device, equipment and medium for realizing touch projection product without repositioning |
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Application publication date: 20201120 |