CN116017085A - Method, device, equipment and medium for adding subtitles and barrage to hard disk video recording - Google Patents

Abstract

A method, device, equipment and medium for adding subtitles and barrages in hard disk video are applied to a vehicle-mounted cabin controller, and the method comprises the following steps: acquiring video data and audio data in a vehicle, and taking text data corresponding to the audio as input data; inputting the input data into a cabin controller for data encoding/compression to obtain compressed data, and storing the compressed data; the method comprises the steps of reading compressed data stored in a cabin controller, decompressing and decoding the compressed data to obtain decoded data, wherein the decoded data comprises video data, audio data and text data corresponding to audio in an original vehicle in input data; displaying video images corresponding to video data in the decoding data, audio corresponding to audio data, text subtitles corresponding to audio converted by text data corresponding to audio and bullet screen of the decoding data. The subtitle and barrage functions of the hard disk video DVR are increased, and the interestingness in the automobile driving scene is improved.

Description

Method, device, equipment and medium for adding subtitles and barrage to hard disk video recording

technical field

The application belongs to the technical field of hard disk video subtitles and barrage, and in particular relates to a method, device, equipment and medium for adding subtitles and barrage to hard disk video.

Background technique

With the development of smart cars, intelligent hard disk video recording DVR is one of the development directions. Traditional DVR is mainly used for post-event query of video forensics. With the development of intelligent technology, DVR is also used for intelligent identification, machine vision analysis, Early warning or behavior recognition, etc. However, at present, DVR is still mainly recording video and voice, without interesting functions such as subtitles and barrage. If DVR adds real-time subtitles and barrage, it will bring fun to car driving.

Contents of the invention

The application provides a method, device, equipment and medium for adding subtitles and barrage to a hard disk video recording, so as to increase the subtitle and barrage functions of a hard disk video DVR and improve the interest in car driving scenes.

The purpose of this application and the solution to its technical problems are achieved by adopting the following technical solutions.

This application provides a method for adding subtitles and barrage to hard disk recording, the method includes:

S1, acquiring video data, audio data, and text data corresponding to the audio in the vehicle as input data;

S2, input the above input data into the cockpit controller to perform data encoding/compression to obtain compressed data, and store the compressed data;

S3, read the compressed data stored in the cockpit controller, decompress and decode the compressed data, and obtain decoded data, the decoded data includes the video data and audio data in the original vehicle in the input data , and the text data corresponding to the audio;

S4, displaying the video image corresponding to the video data in the decoded data, the audio corresponding to the audio data, the text subtitles corresponding to the audio converted from the text data corresponding to the audio, and the barrage of the decoded data.

Optionally, obtaining video data, audio data, and text data corresponding to the audio in the vehicle as input data includes:

The camera converts the video analog data captured in the vehicle into video digital data;

acquiring in-vehicle audio data by a microphone pickup; digitizing said audio data;

The voice conversion device converts the audio data acquired by the microphone pickup into text data;

The video digital data, the audio data and the text data converted from the audio data are used as input data, and the input data is sent to the cockpit controller for compressed storage or network transmission.

Optionally, transmitting the input data to the cockpit controller for compressed storage or network transmission includes:

transmitting the input data to the cockpit controller; the cockpit controller performs encapsulation and decapsulation operations on the input data;

The input data is compressed into audio and video streaming media with subtitles according to the corresponding encoding, and the audio and video streaming media is compressed again and stored in the storage unit of the cockpit controller; or transmitted to the cloud monitoring center through the network.

Optionally, storing the audio and video streaming media in the storage unit of the cockpit controller after being compressed again includes:

After the audio and video streaming media is compressed, it is stored in the storage unit of the cockpit controller in the way of general flash storage.

Optionally, the monitoring center that compresses the audio and video streaming media and transmits them to the cloud through the network includes:

After the audio and video streaming media is compressed, it is transmitted to the monitoring center in the cloud for storage through the network using the embedded storage method.

Optionally, the acquisition of audio data in the vehicle by the microphone pickup includes:

The user's audio data is collected according to the microphones at different seat positions in the vehicle.

Optionally, the voice conversion device converts the audio data acquired by the microphone pickup into text data including:

Based on the microphone pickups at different seat positions in the vehicle, the audio data of different seat positions in the vehicle is obtained, and the audio data of each seat position is converted into text data associated with the seat position and the audio data.

The present application also provides a device for adding subtitles and barrage to hard disk recording, including:

The input unit is used to obtain video data, audio data, and text data corresponding to the audio in the vehicle as input data;

a processing unit, configured to input the above input data into the cockpit controller for data encoding/compression to obtain compressed data, and store the compressed data;

The reading unit is used to read the compressed data stored in the cockpit controller, decompress and decode the compressed data, and obtain decoded data, the decoded data includes the video in the original vehicle in the input data data, audio data, and text data corresponding to the audio;

The display unit is used to display the video image corresponding to the video data in the decoded data, the audio corresponding to the audio data, the text subtitles corresponding to the audio converted from the text data corresponding to the audio, and the barrage of the decoded data.

The present application also provides an electronic device, which includes:

memory for storing non-transitory computer readable instructions; and

A processor, configured to run the computer-readable instructions, so that when the computer-readable instructions are executed by the processor, the above-mentioned method is implemented.

The present application also provides a computer-readable storage medium, where the computer-readable storage medium includes computer instructions, and when the computer instructions are run on a device, the device is made to execute the method described above.

Compared with the prior art, the present application has obvious advantages and beneficial effects. By virtue of the above technical solutions, the present application has at least one of the following advantages and beneficial effects:

1. A method for adding subtitles and barrage to a hard disk video provided by this application is to obtain the video data, audio data, and text data corresponding to the audio as input data in the vehicle; input the above input data into the cockpit controller to perform Data encoding/compression to obtain compressed data, store the compressed data; read the compressed data stored in the cockpit controller, decompress and decode the compressed data, and obtain decoded data, the decoded data is included in the input data The video data, audio data, and text data corresponding to the audio in the original vehicle; display the conversion of the video image corresponding to the video data, the audio corresponding to the audio data, and the text data corresponding to the audio in the decoded data The text subtitles corresponding to the audio and the barrage of the above-mentioned decoded data increase the subtitle and barrage functions of the hard disk video DVR, and enhance the fun of the car driving scene.

Two, the application transmits the input data to the cockpit controller; the cockpit controller performs encapsulation and decapsulation operations on the input data, compresses the input data into audio and video streaming media with subtitles according to the corresponding encoding, and The audio and video streaming media is compressed again and stored in the storage unit of the cockpit controller; or it is transmitted to the monitoring center in the cloud through the network, and the input data is compressed into subtitles according to the corresponding encoding by encapsulating and decapsulating the input data. The audio and video streaming media realizes the integration of video data, audio data, and text data corresponding to the audio in the input data, and compresses the audio and video streaming media multiple times, so that the above audio and video streaming media data can be reduced in size The transmission and storage of audio and video streaming media are compressed and stored in the storage unit of the cockpit controller in the form of general-purpose flash memory, and the audio and video streaming media are compressed again and then transmitted to the monitoring center in the cloud through the network. The method of compressing, transmitting and storing the above-mentioned audio and video streaming media multiple times, on the one hand, saves the utilization rate of resources in the cockpit controller, and on the other hand, improves the efficiency of data transmission.

3. The microphone pickup device of the present application acquires the audio data in the vehicle, and collects the user's audio data through microphones according to different seat positions in the vehicle. Based on the microphone pickups at different seat positions in the vehicle, the audio data of different seat positions in the vehicle is obtained, and the audio data of each seat position is converted into text data associated with the seat position and the audio data. Not only the video data, audio data, and the text data corresponding to the audio in the input data are related to each other, but also the audio and video streaming media generated by the above input data are classified according to the users at different seat positions in the vehicle, and can be classified according to the Users in different seat positions play corresponding subtitles and bullet chats, which further improves the function of subtitles and bullet chats with interactive audio and video streaming media for users in the vehicle during driving, and enhances the fun of users in the vehicle.

The above description is only an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, it can be implemented according to the contents of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable , the following preferred embodiments are specifically cited, and in conjunction with the accompanying drawings, the detailed description is as follows.

Description of drawings

Fig. 1 is a schematic flow chart of a method for adding subtitles and barrage to a hard disk video recording according to an embodiment of the present application;

Fig. 2 is a schematic structural diagram of a device for adding subtitles and barrage to a hard disk video recording according to an embodiment of the present application;

Fig. 3 is a schematic structural diagram of a device for adding subtitles and barrage to a hard disk video recording according to an embodiment of the present application;

Fig. 4 is a schematic diagram of the application of a hard disk video adding subtitles and barrage method according to an embodiment of the present application;

Fig. 5 is a schematic structural diagram of an electronic device for adding subtitles and barrage to hard disk video recording according to an embodiment of the present application.

Detailed ways

In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation, structure, features and effects of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments. .

The present invention provides a method for adding subtitles and barrage to a hard disk video, as shown in accompanying drawings 1 to 2, and accompanying drawing 1 is a process flow of a method for adding subtitles and barrage to a hard disk video according to an embodiment of the present application Schematic diagram; Accompanying drawing 2 is a schematic structural diagram of a device for adding subtitles and barrage to hard disk video recording according to an embodiment of the present application. The method comprises the steps of:

S1, acquiring video data, audio data, and text data corresponding to the audio in the vehicle as input data;

S2, input the above input data into the cockpit controller to perform data encoding/compression to obtain compressed data, and store the compressed data;

S3, read the compressed data stored in the cockpit controller, decompress and decode the compressed data, and obtain decoded data, the decoded data includes the video data and audio data in the original vehicle in the input data , and the text data corresponding to the audio;

S4, displaying the video image corresponding to the video data in the decoded data, the audio corresponding to the audio data, the text subtitles corresponding to the audio converted from the text data corresponding to the audio, and the barrage of the decoded data.

It should be noted that data input can be performed through the input unit inside the vehicle. The input unit can include a camera, a microphone and buttons. The camera uses a low-voltage differential signal technology interface LVDS to connect with the cockpit controller, and the camera collects video data inside the vehicle. Obtain the video data in the vehicle; the microphone uses four-way microphones, which are connected to the cockpit controller through the vehicle audio A2B Bus, and the microphone collects the audio data in the voice of the user in the vehicle, obtains the audio data in the vehicle, and through the language conversion device, The collected audio data of users inside the vehicle can be converted into text data corresponding to the audio. The button can start the work of starting the above-mentioned input device, and upload the data collected and acquired by the above-mentioned input device to the cloud or a secure data center on the network. For example, when there is danger inside the vehicle or emergency rescue is needed, the user presses the button, the input and output port (IO) in the start button performs an alarm operation or calls for rescue, and at the same time transmits the data collected and obtained by the above input device to the corresponding The alarm center and then the rescue center. The microphone can use four-way microphones to obtain analog audio signals from the microphone pickup, digitize them, and send them to the cockpit controller. The cockpit controller collects four-way microphone data, and recognizes the audio data of different user voices according to the microphones in different driving positions. , and convert to text. For example, subtitles can be displayed on the driver's seat, while the co-pilot or rear seat can compress the barrage code of the video and store it locally. The audio data of users in different seat positions can be used for alarm operations or calls for rescue. Network monitoring and call for help intercom, for example, as a preferred implementation, the audio data of users in different seat positions can be the alarm information obtained by the cockpit controller when the car collides or presses the alarm button, and the alarm information is then sent to the network through the network monitoring Center. A GPS module is installed in the cockpit controller to obtain the current location information of the vehicle, including the latitude and longitude of the current vehicle location, the current real-time speed, the azimuth vector angle of the driving speed of the current vehicle driving equipment, and store the current event and its corresponding time. The location of the above-mentioned vehicle position and different seat positions of the user is obtained by connecting the UART serial port to the basic debugging UART location of the router. Through the 4G module in the vehicle T-BOX, the vehicle status data, acquired video data, vehicle internal and external sound data and other information are transmitted to the network monitoring center on the network in real time; at the same time, the network monitoring center can obtain responses and/or release various commands. For the display screen of the cockpit controller, open the DVR APP to display the monitoring screen and playback historical video. The display screen of the cockpit controller can be connected with the cockpit controller through the low-voltage differential signal technology interface LVDS.

Optionally, obtaining video data, audio data, and text data corresponding to the audio in the vehicle as input data includes:

The camera converts the video analog data captured in the vehicle into video digital data;

acquiring in-vehicle audio data by a microphone pickup; digitizing said audio data;

The voice conversion device converts the audio data acquired by the microphone pickup into text data;

The video digital data, the audio data and the text data converted from the audio data are used as input data, and the input data is sent to the cockpit controller for compressed storage or network transmission.

Optionally, transmitting the input data to the cockpit controller for compressed storage or network transmission includes:

transmitting the input data to the cockpit controller; the cockpit controller performs encapsulation and decapsulation operations on the input data;

The input data is compressed into audio and video streaming media with subtitles according to the corresponding encoding, and the audio and video streaming media is compressed again and stored in the storage unit of the cockpit controller; or transmitted to the cloud monitoring center through the network.

It should be noted that, when the input data is transmitted to the cockpit controller for compressed storage or network transmission, the principle and structure of ffmpeg adopts a packager component (Muxer) and a decoder component (Encoder), and the cockpit controller The input data is encapsulated by the encapsulator component (Muxer), and the decoder component (Encoder) performs decapsulation operation.

The input data is compressed into audio and video streaming media with subtitles according to the corresponding encoding, which can be encoded/compressed using the data encoding/compression H.265 encoding compression standard, and the audio and video streaming media can be compressed again and then stored in the In the storage unit of the cockpit controller, the above-mentioned storage unit may use emmc/UFS memory.

Optionally, storing the audio and video streaming media in the storage unit of the cockpit controller after being compressed again includes:

After the audio and video streaming media is compressed, it is stored in the storage unit of the cockpit controller in the way of general flash storage.

It should be noted that the general flash storage method may be to use the embedded storage method of the embedded multimedia card eMMC to store the compressed audio and video stream media in the storage unit of the cockpit controller.

Optionally, the monitoring center that compresses the audio and video streaming media and transmits them to the cloud through the network includes:

After the audio and video streaming media is compressed, it is transmitted to the monitoring center in the cloud for storage through the network using the embedded storage method.

It should be noted that after re-compressing the audio and video streaming media, the built-in storage method of the embedded multimedia card eMMC is used to transmit it to the cloud monitoring center for storage through the network, and the cockpit controller is simplified through the embedded storage method of eMMC. The unique storage unit structure and volume space improve the storage unit storage speed of audio and video streaming media in the cockpit controller.

Optionally, the acquisition of audio data in the vehicle by the microphone pickup includes:

The user's audio data is collected according to the microphones at different seat positions in the vehicle.

It should be noted that the user's audio data is collected according to the microphones at different seat positions in the vehicle. On the one hand, users at different seat positions can be conveniently classified. On the other hand, the data collected by users at different seat positions can be easily correlated with each other. According to the microphone of the current seat position in the vehicle, the audio data of the user is collected, and the audio data of the current seat position is associated and matched with the video data of the current period.

Optionally, the voice conversion device converts the audio data acquired by the microphone pickup into text data including:

Based on the microphone pickups at different seat positions in the vehicle, the audio data of different seat positions in the vehicle is obtained, and the audio data of each seat position is converted into text data associated with the seat position and the audio data.

It should be noted that, based on the audio data of each seat position, the audio data of the user at the seat position in the current period is associated with the text data obtained through language conversion, so that the video data of the audio and video streaming media in the input data, A one-to-one relationship is established between the audio data and the text data converted into subtitles and/or barrage from the audio data of the user at the seat position.

The present application also provides a device for adding subtitles and barrage to hard disk video, as shown in accompanying drawing 3, and accompanying drawing 3 is a schematic structural diagram of a hard disk video adding subtitle and barrage device according to an embodiment of the present application. Adding subtitles and barrage device 300 includes:

The input unit 310 is used to obtain video data, audio data, and text data corresponding to the audio in the vehicle as input data;

A processing unit 320, configured to input the above input data into the cockpit controller for data encoding/compression to obtain compressed data, and store the compressed data;

The reading unit 330 is used to read the compressed data stored in the cockpit controller, decompress and decode the compressed data, and obtain decoded data, the decoded data includes the input data in the original vehicle. Video data, audio data, and text data corresponding to the audio;

The display unit 340 is configured to display the video image corresponding to the video data in the decoded data, the audio corresponding to the audio data, the text subtitles corresponding to the audio converted from the text data corresponding to the audio, and the barrage of the decoded data.

It should be noted that, for the above-mentioned device 300 for adding subtitles and barrage to hard disk video recording, please refer to the description of the above-mentioned method, and details will not be repeated here.

Optionally, as shown in FIG. 4, FIG. 4 is a schematic diagram of an application of a method for adding subtitles and barrage to hard disk video recording according to an embodiment of the present application. During the driving process, when the user interaction atmosphere in the vehicle is not friendly, the driver can input “Listen to an explanation song?” through the microphone device in the input unit 310, and the user in the back row will respond “Be more high-spirited, hahaha!!! ", and the user of the co-driver next to the main driver responded, "Let's play an old song". After negotiation by the main driver, the rear row or the co-pilot user, the corresponding selected song can be selected through the cockpit controller and uploaded to the control and display unit of the car system to display the audio and video streaming data, and display and play in the form of subtitles and barrage .

The present application also provides an electronic device, as shown in FIG. 5 , which is a structural schematic diagram of an electronic device for adding subtitles and barrage to a hard disk video recording according to an embodiment of the present application. The electronic device 500 includes:

memory 510 for storing non-transitory computer readable instructions 530; and

The processor 520 is configured to run the computer-readable instructions 530 , so that when the computer-readable instructions 530 are executed by the processor 520 , implement the method described above.

The present application also provides a computer-readable storage medium, where the computer-readable storage medium includes computer instructions, and when the computer instructions are run on a device, the device is made to execute the method described above.

It should be noted that any process or method descriptions in flowcharts or otherwise described herein can be understood as representing a module including one or more codes of executable instructions for implementing specific logical functions or steps of a process , fragments or portions, and the scope of the preferred embodiments of the present application includes additional implementations in which execution may be performed out of the order shown or discussed, including substantially concurrently or in reverse order depending on the functions involved functions, which should be understood by those skilled in the art to which the embodiments of the present application belong.

The logic and/or steps represented in the flowcharts or otherwise described herein, for example, can be considered as a sequenced listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium, For use with instruction execution systems, devices, or devices (such as computer-based systems, systems including processors, or other systems that can fetch instructions from instruction execution systems, devices, or devices and execute instructions), or in conjunction with these instruction execution systems, devices or equipment used. For the purposes of this specification, a "computer-readable medium" may be any device that can contain, store, communicate, propagate or transmit a program for use in or in conjunction with an instruction execution system, device or device. More specific examples (non-exhaustive list) of computer-readable media include the following: electrical connection with one or more wires (electronic device), portable computer disk case (magnetic device), random access memory (RAM), Read Only Memory (ROM), Erasable and Editable Read Only Memory (EPROM or Flash Memory), Fiber Optic Devices, and Portable Compact Disc Read Only Memory (CDROM). In addition, the computer-readable medium may even be paper or other suitable medium on which the program can be printed, since the program can be read, for example, by optically scanning the paper or other medium, followed by editing, interpretation or other suitable processing if necessary. The program is processed electronically and stored in computer memory.

It should be understood that each part of the present application may be realized by hardware, software, firmware or a combination thereof. In the embodiments described above, various steps or methods may be implemented by software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or combination of the following techniques known in the art: Discrete logic circuits, ASICs with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.

Those of ordinary skill in the art can understand that all or part of the steps carried by the methods of the above embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium. During execution, one or a combination of the steps of the method embodiments is included.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing module, each unit may exist separately physically, or two or more units may be integrated into one module. The above-mentioned integrated modules can be partially implemented in the form of hardware, or can be implemented in the form of software function modules. If the integrated modules are realized in the form of software function modules and sold or used as independent products, they can also be stored in a computer-readable storage medium.

The storage medium mentioned above may be a read-only memory, a magnetic disk or an optical disk, and the like. Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limitations on the present application, and those skilled in the art can make the above-mentioned The embodiments are subject to changes, modifications, substitutions and variations.

The above are only the preferred embodiments of the application, and do not limit the application in any form. Although the application has disclosed the above with the preferred embodiments, it is not intended to limit the application. Any skilled person familiar with this field , without departing from the scope of the technical solution of the present application, when the technical content disclosed above can be used to make some changes or be modified into equivalent embodiments with equivalent changes, but if it does not deviate from the technical solution of the application, according to the technical content of the application In essence, any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solutions of the present application.

Claims (10)

1. The method for adding subtitles and barrage to hard disk video recording is characterized in that it is applied in the vehicle cockpit controller, including: S1, acquiring video data, audio data, and text data corresponding to the audio in the vehicle as input data; S2, input the above input data into the cockpit controller to perform data encoding/compression to obtain compressed data, and store the compressed data; S3, read the compressed data stored in the cockpit controller, decompress and decode the compressed data, and obtain decoded data, the decoded data includes the video data and audio data in the original vehicle in the input data , and the text data corresponding to the audio; S4, displaying the video image corresponding to the video data in the decoded data, the audio corresponding to the audio data, the text subtitles corresponding to the audio converted from the text data corresponding to the audio, and the barrage of the decoded data. 2. The method according to claim 1, wherein obtaining video data, audio data in the vehicle, and text data corresponding to the audio as input data includes: The camera converts the video analog data captured in the vehicle into video digital data; acquiring in-vehicle audio data by a microphone pickup; digitizing said audio data; The voice conversion device converts the audio data acquired by the microphone pickup into text data; The video digital data, the audio data and the text data converted from the audio data are used as input data, and the input data is sent to the cockpit controller for compressed storage or network transmission. 3. The method according to claim 2, wherein transmitting the input data to the cockpit controller for compressed storage or network transmission comprises: transmitting the input data to the cockpit controller; the cockpit controller performs encapsulation and decapsulation operations on the input data; The input data is compressed into audio and video streaming media with subtitles according to the corresponding encoding, and the audio and video streaming media is compressed again and stored in the storage unit of the cockpit controller; or transmitted to the cloud monitoring center through the network. 4. The method according to claim 3, wherein storing the audio and video streaming media in the storage unit of the cockpit controller after being compressed again comprises: After the audio and video streaming media is compressed, it is stored in the storage unit of the cockpit controller in the way of general flash storage. 5. The method according to claim 3, wherein the monitoring center that transmits the audio and video streaming media to the cloud through the network after being compressed again includes: After the audio and video streaming media is compressed, it is transmitted to the monitoring center in the cloud for storage through the network using the embedded storage method. 6. The method according to claim 3, wherein the acquisition of the audio data in the vehicle by the microphone pickup comprises: The user's audio data is collected according to the microphones at different seat positions in the vehicle. 7. The method according to claim 6, wherein the speech conversion device converts the audio data obtained by the microphone pickup into text data comprising: Based on the microphone pickups at different seat positions in the vehicle, the audio data of different seat positions in the vehicle is obtained, and the audio data of each seat position is converted into text data associated with the seat position and the audio data. 8. A device for adding subtitles and barrage to hard disk video recording, characterized in that, comprising: The input unit is used to obtain video data, audio data, and text data corresponding to the audio in the vehicle as input data; a processing unit, configured to input the above input data into the cockpit controller for data encoding/compression to obtain compressed data, and store the compressed data; The reading unit is used to read the compressed data stored in the cockpit controller, decompress and decode the compressed data, and obtain decoded data, the decoded data includes the video in the original vehicle in the input data data, audio data, and text data corresponding to the audio; The display unit is used to display the video image corresponding to the video data in the decoded data, the audio corresponding to the audio data, the text subtitles corresponding to the audio converted from the text data corresponding to the audio, and the barrage of the decoded data. 9. An electronic device, characterized in that it comprises: memory for storing non-transitory computer readable instructions; and A processor, configured to run the computer-readable instructions, so that when the computer-readable instructions are executed by the processor, the method according to any one of claims 1 to 7 is implemented. 10. A computer-readable storage medium, characterized by comprising computer instructions, which, when the computer instructions are run on a device, cause the device to execute the method according to any one of claims 1 to 7.

Images