CN112734942A

CN112734942A - AR content playing modification method and device, computer equipment and storage medium

Info

Publication number: CN112734942A
Application number: CN202110111502.1A
Authority: CN
Inventors: 温晓晴; 李新强
Original assignee: Shenzhen Dillop Intelligent Technology Co ltd
Current assignee: Shenzhen Dillop Intelligent Technology Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-04-30
Anticipated expiration: 2041-01-27
Also published as: CN112734942B

Abstract

The invention relates to an AR content playing modification method, an AR content playing modification device, computer equipment and a storage medium, wherein the method comprises the steps of obtaining AR content; reading in a corresponding playlist according to the AR content, and displaying the playlist on an operation interface; and acquiring an AR editing instruction, and modifying the playlist according to the AR editing instruction to obtain a broadcast control setting file. According to the method and the device, the AR content to be played can be presented in the form of a list on the operation interface after the AR content is introduced, the playing process and the logic of the playing list presented by the AR content are modified according to the AR editing instruction, an AR editor is not needed, and the playing process and the logic of the AR content can be modified quickly and conveniently when the AR content is played.

Description

AR content playing modification method and device, computer equipment and storage medium

Technical Field

The present invention relates to augmented reality technology, and more particularly, to a method and an apparatus for playing and modifying AR content, a computer device, and a storage medium.

Background

In AR (Augmented Reality) applications, images are generally superimposed on a foreground video, the foreground video is directly acquired by a camera, video signals are acquired by a video board or acquired by streaming media, the superimposed images are generated by an AR application program or contents generated by rendering other software, the AR application program is called an AR player, and the superimposed images are called AR contents.

The existing AR players are mainly divided into two types, one type is that AR content is embedded in the AR player, such as various AR games, the AR player is directly operated during playing, all playing control is finished in a virtual window, and playing is finished based on fixed program logic; the other type is that the AR player can load external AR content, the function of the player is simple, only various hardware configuration parameter adaptations are made, for example, the model of a helmet and interactive equipment are selected, all the playing control of the AR content is still selected and clicked in a virtual window for playing, and the interactive equipment can be based on various modes such as a handle, image recognition and sound control.

The existing AR player can be used for playing and displaying the edited AR content, but the playing process of the AR content cannot be modified in the AR player. At present, the playing and modification of the AR content of all AR players are completed in a virtual window in actual use, which causes many operational troubles and difficulties in the actual use process, for example, it is inconvenient to input the playing time based on a handle, drag and connect a plurality of anchor points for playing triggering association, adjust the playing sequence, etc.

Therefore, it is necessary to design a new method for quickly and conveniently modifying the playing process and logic of the AR content when playing the AR content.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an AR content playing modification method, an AR content playing modification device, computer equipment and a storage medium.

In order to achieve the purpose, the invention adopts the following technical scheme: the AR content playing modification method comprises the following steps:

obtaining AR content;

reading in a corresponding playlist according to the AR content, and displaying the playlist on an operation interface;

acquiring an AR editing instruction, and modifying the playlist according to the AR editing instruction to obtain a broadcast control setting file;

the playing list is formed according to playing control parameters and playing control points related to the AR content production; the AR editing instruction is an instruction for modifying at least one of a sequential playing mode, an inter-cut mode, a replay mode, and a playing time length of the playlist, and a playing trigger condition and a playing mode between AR contents.

The further technical scheme is as follows: the obtaining an AR editing instruction, and modifying the playlist according to the AR editing instruction to obtain a play control setting file, further includes:

and updating the playing parameters of the AR content according to the playing control setting file, and sending the AR content to a display terminal so as to display the AR content on the display terminal.

The further technical scheme is as follows: before the obtaining the AR content, the method further includes:

when the AR content is produced, the playing control parameter of the AR content is set as the playing control type in the single AR content and the playing control type between the multiple AR contents.

The further technical scheme is as follows: the single AR content internal playing control type comprises a playing control type which takes at least one of external data connection, external equipment connection, attribute connection, animation, event and event track as a trigger condition and realizes at least one playing mode of timing playing, random playing, conditional playing, associated playing and batch playing.

The further technical scheme is as follows: the playing control type among the plurality of AR contents comprises a playing control type which realizes at least one playing mode among random playing, conditional playing, associated playing and batch playing among the AR contents based on external data connection, external equipment connection, events and event tracks as trigger conditions.

The further technical scheme is as follows: the playlist includes a plurality of playitems, and the playitems include the play control points of the AR content and corresponding play control parameters.

The further technical scheme is as follows: the obtaining an AR editing instruction, and modifying the playlist according to the AR editing instruction to obtain a play control setting file, including:

and acquiring an AR editing instruction, and modifying the playing items of the playlist according to the AR editing instruction so as to modify the playing sequence of the AR contents and the playing triggering conditions and playing modes among the AR contents, so as to obtain a playing control setting file.

The invention also provides an AR content playing and modifying device, which comprises:

a content acquisition unit for acquiring AR content;

the reading-in unit is used for reading in a corresponding playlist according to the AR content and displaying the playlist on an operation interface;

the modification unit is used for acquiring an AR editing instruction and modifying the playlist according to the AR editing instruction to obtain a broadcast control setting file;

The invention also provides computer equipment which comprises a memory and a processor, wherein the memory is stored with a computer program, and the processor realizes the method when executing the computer program.

The invention also provides a storage medium storing a computer program which, when executed by a processor, is operable to carry out the method as described above.

Compared with the prior art, the invention has the beneficial effects that: according to the method and the device, the AR content to be played can be presented in the form of a list on the operation interface after the AR content is introduced, the playing process and the logic of the playing list presented by the AR content are modified according to the AR editing instruction, an AR editor is not needed, and the playing process and the logic of the AR content can be modified quickly and conveniently when the AR content is played.

The invention is further described below with reference to the accompanying drawings and specific embodiments.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of an application scenario of an AR content playing modification method according to an embodiment of the present invention;

fig. 2 is a schematic flow chart of an AR content playing modification method according to an embodiment of the present invention;

fig. 3 is a schematic flowchart of an AR content playing modification method according to another embodiment of the present invention;

fig. 4 is a schematic block diagram of an AR content playing modification apparatus according to an embodiment of the present invention;

fig. 5 is a schematic block diagram of an AR content playing modification apparatus according to another embodiment of the present invention;

FIG. 6 is a schematic block diagram of a computer device provided by an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic view of an application scenario of an AR content playing modification method according to an embodiment of the present invention. Fig. 2 is a schematic flowchart of an AR content playing modification method according to an embodiment of the present invention. The AR content playing and modifying method is applied to the terminal with the AR player. The terminal is connected with the display terminal and the server, the server comprises but is not limited to a cloud server and a local server, after the terminal acquires the AR content from the server, a corresponding playlist can be displayed on an interface, a user can directly drag and edit the playlist on the terminal to form an AR editing instruction, the AR player modifies the playing process and logic of the AR content to form a broadcast control setting file, so that the playing process and logic of the AR content can be updated, and the modified AR content is displayed on the display terminal.

Fig. 2 is a flowchart illustrating an AR content playing modification method according to an embodiment of the present invention. As shown in fig. 2, the method includes the following steps S110 to S130.

And S110, obtaining the AR content.

In this embodiment, the AR content is stored in the cloud server or the local server, so as to be read quickly, the AR player needs to read the AR content list available for playing from the cloud server or the local server, and selects the AR content to be played according to the AR content list available for playing, so as to display the AR content to be played on the interface.

In this embodiment, the modification is directed to the AR content displayed on the interface, specifically, the above AR content refers to the AR content to be played.

In an embodiment, before the step S110, the method further includes:

Specifically, when the AR editor is used to create the AR content, the playback control parameters of the AR content are set so as to facilitate playback control.

In this embodiment, the single AR content internal playback control type includes a playback control type that realizes at least one playback mode of timed playback, random playback, conditional playback, associated playback, and batch playback based on at least one of an external data connection, an external device connection, an attribute connection, an animation, an event, and an event track as a trigger condition.

Aiming at playing contents such as videos, images, sounds, parameter animations, model animations, sequence animations and the like, timed playing is realized through timer triggering, random number triggering is realized to realize random playing, playing conditions are set to realize conditional playing, attribute parameters are connected to realize associated playing, and batch playing is realized by corresponding to a plurality of playing contents in a single triggering mode. Different events correspond to different actions: file loading events, animation playing events, animation pause events, animation reset events, animation cycle events, update data events, cycle events, and the like; the event track may contain a plurality of identical or different events, and the event track may be timed, random, conditional, peripheral, etc. in different ways to trigger the playing of the contained events. The events mentioned above refer to different segments within the AR content, etc.

In this embodiment, the playing control type among the plurality of AR contents includes a playing control type that realizes at least one playing mode among random playing, conditional playing, associated playing, and batch playing among the AR contents based on external data connection, external device connection, event, and event track as trigger conditions. In order to realize the playing control among the AR contents, the data connection item, the playing event and the event time track are introduced into the AR contents, and the connection between the AR player and the data connection item, the playing event and the event time track of other AR contents is modified through the AR player, so that the playing modes such as random playing, conditional playing, associated playing, batch playing and the like can be realized.

Regardless of the playback control parameters, each playback action may set parameters such as the playback duration, whether to loop back, and the like.

And S120, reading in a corresponding playlist according to the AR content, and displaying the playlist on an operation interface.

In this embodiment, each AR content has a corresponding playlist, and the playlist refers to an integrated table of trigger conditions, playing modes, and the like for displaying the AR content on the display terminal.

Specifically, the playlist includes a plurality of playitems, and the playitems include the playback control points of the AR content and corresponding playback control parameters.

The playlist may be formed according to a playback control parameter and a playback control point that are involved in creating the AR content, the playback control point being a certain image or video segment of the AR content.

S130, an AR editing instruction is obtained, and the playlist is modified according to the AR editing instruction to obtain a broadcast control setting file.

In this embodiment, the play setting file is a file for controlling the playing process and logic of the AR content, and the display terminal may display the corresponding content when the AR content meets the setting in the play setting file according to the play setting file; the AR editing instruction is an instruction for modifying at least one of a sequential playing mode, an inter-cut mode, a replay mode, and a playing time length of the playlist, and a playing trigger condition and a playing mode between AR contents.

Specifically, an AR editing instruction is obtained, and a play item of the playlist is modified according to the AR editing instruction, so as to modify a play sequence of AR content, such as a sequential play, an inter-cut, a replay, a play duration, and the like, and a play trigger condition and a play mode between AR contents, so as to obtain a play control setting file.

For example: when the AR maintenance training of the new energy automobile motor is carried out, before the training is carried out, AR content corresponding to a certain reason in a plurality of reasons causing the fault can be set aiming at a certain fault phenomenon, the same playing process is not repeated every time, the training of analyzing and judging capacity of a trainer is enhanced, and the interestingness and the expedition of a training course are enhanced; and a specific AR content playing process can be set at a certain knowledge point according to different users, so that the goals of strengthening training and investigation are achieved. All the playing process modifications do not need to return to the original AR content editor for modification, packaging and release, and the rapid operation can be directly carried out in the AR player.

The AR player opens one or more editor-made AR content files and other third party software-made AR content such as 3D models, animations, video, pictures, sound, etc. to be organized into playlists. Setting different broadcast control parameters according to actual requirements for each broadcast item according to a broadcast control point designed in the AR content file, associating different broadcast control contents, and storing the broadcast control settings into the file. If the AR content manufactured by the AR editor is loaded, the parameters of the AR content are presented according to the parameters set during manufacture, such as the lead-out data, the custom attributes, the animations and the like; loading a 3D model with parameters of playing position, playing material, playing time, playing mode, animation template and the like, setting the animation template by assigning one or more video and picture material files to one surface, and generating a corresponding playing event as a playing control point for playing control; if a video file is loaded as the AR content, parameters such as playing time length, playing mode, animation template and the like exist.

According to the AR content playing and modifying method, the AR content to be played can be presented in the form of a list on the operation interface after the AR content is introduced, the playing process and logic of the playing list presented by the AR content are modified according to the AR editing instruction, an AR editor is not needed, and the playing process and logic of the AR content can be modified quickly and conveniently when the AR content is played.

Fig. 3 is a flowchart illustrating an AR content playing modification method according to another embodiment of the present invention. As shown in fig. 3, the method for modifying the playing of AR content of the present embodiment includes steps S210-S240. Steps S210 to S230 are similar to steps S110 to S130 in the above embodiments, and are not described herein again. The added step S240 in the present embodiment is explained in detail below.

S240, updating the playing parameters of the AR content according to the playing control setting file, and sending the AR content to a display terminal so as to display the AR content on the display terminal.

The play setting file generated by the AR player is used for subsequent display order or the like on the display terminal.

Fig. 4 is a schematic block diagram of an AR content playing modification apparatus 300 according to an embodiment of the present invention. As shown in fig. 4, the present invention further provides an AR content playing modification apparatus 300 corresponding to the above AR content playing modification method. The AR content playing modification apparatus 300 includes a unit for executing the above AR content playing modification method, and the apparatus may be configured in a desktop computer, a tablet computer, a portable computer, or other terminals. Specifically, referring to fig. 4, the AR content playing modification apparatus 300 includes a content obtaining unit 301, a reading unit 302, and a modification unit 303.

A content acquisition unit 301 for acquiring AR content; a reading-in unit 302, configured to read in a corresponding playlist according to the AR content, and display the playlist on an operation interface; a modifying unit 303, configured to obtain an AR editing instruction, and modify the playlist according to the AR editing instruction, so as to obtain a broadcast control setting file;

Specifically, when the AR content is produced, the playback control parameter for the AR content is set to the playback control type inside the single AR content and between the multiple AR contents.

In an embodiment, the modifying unit 303 is configured to obtain an AR editing instruction, and modify the play item of the playlist according to the AR editing instruction, so as to modify the play order of the AR content, the play trigger condition between the AR contents, and the play mode, so as to obtain a play control setting file.

Fig. 5 is a schematic block diagram of an AR content playing modification apparatus 300 according to another embodiment of the present invention. As shown in fig. 5, the AR content playing modification apparatus 300 of the present embodiment is the above embodiment with the addition of the playing unit 304.

The playing unit 304 is configured to set a playing control parameter for the AR content to a single AR content internal playing control type and a plurality of AR content inter-playing control types when the AR content is created.

It should be noted that, as can be clearly understood by those skilled in the art, the specific implementation processes of the AR content playing modification apparatus 300 and each unit may refer to the corresponding descriptions in the foregoing method embodiments, and for convenience and brevity of description, no further description is provided herein.

The above-mentioned AR content playing modification apparatus 300 may be implemented in the form of a computer program that can be run on a computer device as shown in the AR content playing modification.

Referring to fig. 6, fig. 6 is a schematic block diagram of a computer device according to an embodiment of the present application. The computer device 500 may be a terminal, wherein the terminal may be an electronic device with a communication function, such as a smart phone, a tablet computer, a notebook computer, a desktop computer, a personal digital assistant, and a wearable device.

Referring to fig. 6, the computer device 500 includes a processor 502, memory, and a network interface 505 connected by a system bus 501, where the memory may include a non-volatile storage medium 503 and an internal memory 504.

The non-volatile storage medium 503 may store an operating system 5031 and a computer program 5032. The computer program 5032 comprises program instructions that, when executed, cause the processor 502 to perform an AR content playback modification method.

The processor 502 is used to provide computing and control capabilities to support the operation of the overall computer device 500.

The internal memory 504 provides an environment for running the computer program 5032 in the non-volatile storage medium 503, and when the computer program 5032 is executed by the processor 502, the processor 502 may be enabled to execute an AR content playing modification method.

The network interface 505 is used for network communication with other devices. Those skilled in the art will appreciate that the configuration shown in fig. 6 is a block diagram of only a portion of the configuration associated with the present application and does not constitute a limitation of the computer device 500 to which the present application may be applied, and that a particular computer device 500 may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.

Wherein the processor 502 is configured to run the computer program 5032 stored in the memory to implement the following steps:

obtaining AR content; reading in a corresponding playlist according to the AR content, and displaying the playlist on an operation interface; and acquiring an AR editing instruction, and modifying the playlist according to the AR editing instruction to obtain a broadcast control setting file.

The playlist comprises a plurality of play items, and the play items comprise play control points of AR content and corresponding play control parameters;

In an embodiment, after the step of obtaining the AR editing instruction and modifying the playlist according to the AR editing instruction to obtain the play control setting file, the processor 502 further implements the following steps:

In one embodiment, before implementing the step of obtaining AR content, the processor 502 further implements the following steps:

The single AR content internal playing control type comprises a playing control type which realizes at least one playing mode of timing playing, random playing, conditional playing, associated playing and batch playing based on at least one of external data connection, external equipment connection, attribute connection, animation, event and event track as a trigger condition.

The playing control type among the plurality of AR contents comprises a playing control type which realizes at least one playing mode among random playing, conditional playing, associated playing and batch playing among the AR contents based on external data connection, external equipment connection, events and event tracks as trigger conditions.

In an embodiment, when the processor 502 implements the steps of obtaining the AR editing instruction and modifying the playlist according to the AR editing instruction to obtain the broadcast control setting file, the following steps are specifically implemented:

It should be understood that in the embodiment of the present Application, the Processor 502 may be a Central Processing Unit (CPU), and the Processor 502 may also be other general-purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, and the like. Wherein a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

It will be understood by those skilled in the art that all or part of the flow of the method implementing the above embodiments may be implemented by a computer program instructing associated hardware. The computer program includes program instructions, and the computer program may be stored in a storage medium, which is a computer-readable storage medium. The program instructions are executed by at least one processor in the computer system to implement the flow steps of the embodiments of the method described above.

Accordingly, the present invention also provides a storage medium. The storage medium may be a computer-readable storage medium. The storage medium stores a computer program, wherein the computer program, when executed by a processor, causes the processor to perform the steps of:

In an embodiment, after the processor executes the computer program to implement the steps of obtaining the AR editing instruction and modifying the playlist according to the AR editing instruction to obtain the broadcast control setting file, the processor further implements the following steps:

In one embodiment, before the step of obtaining AR content is implemented by the processor executing the computer program, the following steps are further implemented:

In an embodiment, when the processor executes the computer program to obtain the AR editing instruction, and modifies the playlist according to the AR editing instruction to obtain the broadcast control setting file, the following steps are specifically implemented:

The storage medium may be a usb disk, a removable hard disk, a Read-Only Memory (ROM), a magnetic disk, or an optical disk, which can store various computer readable storage media.

Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative. For example, the division of each unit is only one logic function division, and there may be another division manner in actual implementation. For example, various elements or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented.

The steps in the method of the embodiment of the invention can be sequentially adjusted, combined and deleted according to actual needs. The units in the device of the embodiment of the invention can be merged, divided and deleted according to actual needs. In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a storage medium. Based on such understanding, the technical solution of the present invention essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a terminal, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention.

While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

An AR content playing modification method, comprising:

obtaining AR content;

reading in a corresponding playlist according to the AR content, and displaying the playlist on an operation interface;

acquiring an AR editing instruction, and modifying the playlist according to the AR editing instruction to obtain a broadcast control setting file;

the playing list is formed according to playing control parameters and playing control points related to the AR content production; the AR editing instruction is an instruction for modifying at least one of a sequential playing mode, an inter-cut mode, a replay mode, and a playing time length of the playlist, and a playing trigger condition and a playing mode between AR contents.
2. The method for playing and modifying AR content according to claim 1, wherein after obtaining the AR editing instruction and modifying the playlist according to the AR editing instruction to obtain the playing control setting file, the method further comprises:

and updating the playing parameters of the AR content according to the playing control setting file, and sending the AR content to a display terminal so as to display the AR content on the display terminal.
3. The method for modifying the playing of the AR content according to claim 1, wherein before the obtaining the AR content, the method further comprises:

when the AR content is produced, the playing control parameter of the AR content is set as the playing control type in the single AR content and the playing control type between the multiple AR contents.
4. The method for modifying AR content playback of claim 3, wherein the single AR content internal playback control type includes a playback control type that implements at least one playback mode of timed playback, random playback, conditional playback, correlated playback, and batch playback based on at least one of external data connection, external device connection, attribute connection, animation, event, and event track as a trigger.
5. The method for modifying AR content playback of claim 4, wherein the playback control type among the plurality of AR contents includes a playback control type that implements at least one of a random playback, a conditional playback, an associated playback, and a batch playback among the AR contents based on external data connection, external device connection, an event, and an event track as trigger conditions.
6. The method of claim 5, wherein the playlist includes a plurality of entries, and the entries include playback control points and corresponding playback control parameters of the AR content.
7. The method of claim 6, wherein the obtaining an AR editing instruction and modifying the playlist according to the AR editing instruction to obtain a playback setting file comprises:

and acquiring an AR editing instruction, and modifying the playing items of the playlist according to the AR editing instruction so as to modify the playing sequence of the AR contents and the playing triggering conditions and playing modes among the AR contents, so as to obtain a playing control setting file.
An AR content playback modification apparatus, comprising:

a content acquisition unit for acquiring AR content;

the reading-in unit is used for reading in a corresponding playlist according to the AR content and displaying the playlist on an operation interface;

the modification unit is used for acquiring an AR editing instruction and modifying the playlist according to the AR editing instruction to obtain a broadcast control setting file;

the playing list is formed according to playing control parameters and playing control points related to the AR content production; the AR editing instruction is an instruction for modifying at least one of a sequential playing mode, an inter-cut mode, a replay mode, and a playing time length of the playlist, and a playing trigger condition and a playing mode between AR contents.
9. A computer device, characterized in that the computer device comprises a memory, on which a computer program is stored, and a processor, which when executing the computer program implements the method according to any of claims 1 to 7.
10. A storage medium, characterized in that the storage medium stores a computer program which, when executed by a processor, implements the method according to any one of claims 1 to 7.