CN108234065B - Augmented reality content transmission method and system - Google Patents

Augmented reality content transmission method and system Download PDF

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Publication number
CN108234065B
CN108234065B CN201611156283.4A CN201611156283A CN108234065B CN 108234065 B CN108234065 B CN 108234065B CN 201611156283 A CN201611156283 A CN 201611156283A CN 108234065 B CN108234065 B CN 108234065B
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data frames
preset
receiving
content
transmitting terminal
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CN108234065A (en
Inventor
曾宇
朱雪田
张光辉
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used

Abstract

The invention discloses an augmented reality content transmission method and system. The method comprises the following steps: the transmitting terminal continuously encodes the AR data source information according to a preset encoding rule and a preset encoding sequence; the transmitting terminal continuously plays the encoded data frames; a receiving terminal continuously receives continuous coding data frames sent by a transmitting terminal; and the receiving terminal decodes the coded data frame according to a preset decoding rule and a preset sequence to present original augmented reality data source information. The invention increases the frame data capacity of the effective information data of the two-dimensional code, provides a simple and practical coding method, and improves the speed and the capacity of information transmission by generating a continuous dynamic two-dimensional code sequence.

Description

Augmented reality content transmission method and system
Technical Field
The present invention relates to the field of communications, and in particular, to a method and a system for augmented reality content transmission.
Background
The live real-time rebroadcasting service of large-scale sports events and performances has become one of important LTE broadcast application scenarios. Broadcast over LTE in combination with AR technology. Personalized and differentiated content presentation can be provided for the user. The push of the LTE broadcast AR content requires a user to align a target scene, and meanwhile, the content to be watched needs to read corresponding information source IDs (e.g., athletes, actors, game balls, etc.) to display related content in the terminal APP, where the conventional screen coding technology is, for example: two-dimensional code, image recognition etc. and the information volume that every two-dimensional code can carry is little, and the transmission information is slower.
The traditional two-dimensional code has the advantages of small information amount, low transmission speed, low transmission safety, limitation of data transmission to point-to-point, need of obtaining information through secondary connection, increase of complexity of user use and inconvenience for efficient information distribution. Meanwhile, since the LTE broadcast AR technology is in an early stage, a screen coding technology corresponding thereto is more rarely reported. Therefore, the AR screen coding and optimization are still in the early development stage, and no unified standard and technical path exists for the effective coding technology.
Disclosure of Invention
In view of the above technical problems, the present invention provides an augmented reality content transmission method and system, which increases the speed and capacity of information transmission by generating a continuous dynamic two-dimensional code sequence.
According to an aspect of the present invention, there is provided an augmented reality content transmission method, including:
the transmitting terminal continuously encodes the AR data source information according to a preset encoding rule and a preset encoding sequence;
the transmitting terminal continuously plays the encoded data frames;
a receiving terminal continuously receives continuous coding data frames sent by a transmitting terminal;
and the receiving terminal decodes the coded data frame according to a preset decoding rule and a preset sequence to present original augmented reality data source information.
In an embodiment of the invention, the continuously encoding the augmented reality data source information includes:
and carrying out dynamic Quick Response (QR) coding on the augmented reality data source information.
In one embodiment of the present invention, the transmitting terminal continuously playing the encoded data frames comprises:
the transmitting terminal continuously plays the encoded data frames through Long Term Evolution (LTE) broadcasting;
and (4) performing content synthesis in the LTE broadcast content, and converting a data source of the extra information into a corresponding dynamic QR code.
In one embodiment of the invention, the method further comprises:
the receiving terminal displays additional information corresponding to the user's needs by decoding.
In one embodiment of the present invention, the transmitting terminal continuously playing the encoded data frames comprises:
converting the code into a plurality of data frames according to a preset coding rule and sequence;
and sequentially filling the obtained data frames to a display device of the transmitting terminal according to the sequence.
In one embodiment of the invention, the method further comprises:
if the coded data frames received by the receiving terminal are not arranged according to the preset sequence, the receiving terminal continues to receive the coded data frames;
and after receiving all the data frames, the receiving terminal executes the step of decoding the coded data frames according to the preset decoding rule and sequence.
In one embodiment of the invention, the method further comprises:
the receiving end user interacts with the AR content through the dynamic two-dimensional code;
the dynamic two-dimensional code has a mapping relation with interactive AR content, and corresponding content issuing operation of the content distribution system can be triggered by clicking different areas;
the dynamic two-dimensional code completes encoding and decoding in the receiving end without uploading to a server side for execution.
According to another aspect of the present invention, there is provided an augmented reality content transmission system including a transmitting terminal and a receiving terminal, wherein:
the transmitting terminal is used for continuously coding the AR data source information according to a preset coding rule and a preset coding sequence; and continuously playing the encoded data frames;
the receiving terminal is used for continuously receiving the continuous coding data frames sent by the transmitting terminal; and the receiving terminal decodes the encoded data frame according to the preset decoding rule and the sequence to present the original augmented reality data source information.
In one embodiment of the invention, the transmitting terminal is used for carrying out dynamic Quick Response (QR) coding on the augmented reality data source information according to a preset coding rule and a preset sequence.
In one embodiment of the invention, the transmitting terminal is used for continuously playing the encoded data frames through Long Term Evolution (LTE) broadcasting; and performing content synthesis in the LTE broadcast content, and converting the data source of the extra information into a corresponding dynamic QR code.
In one embodiment of the invention, the receiving terminal is further configured to display additional information corresponding to the user's needs by decoding.
In one embodiment of the invention, the transmitting terminal is used for converting the codes into a plurality of data frames according to a preset coding rule and sequence; and sequentially filling the obtained data frames to a display device of the transmitting terminal in order.
In one embodiment of the present invention, the receiving terminal is further configured to continue receiving in a case where the received encoded data frames are not arranged in a predetermined order; and after receiving all the data frames, executing the operation of decoding the encoded data frames according to the preset decoding rule and the preset sequence.
In one embodiment of the invention, the receiving terminal is used for receiving the dynamic two-dimensional code sent by the user, sending corresponding AR content to the user and interacting with the user; receiving different areas clicked by a user, and triggering corresponding content issuing operation of a content distribution system, wherein the dynamic two-dimensional code has a mapping relation with interactive AR content; and the dynamic two-dimensional code is encoded and decoded without uploading to a server side for execution.
The invention increases the frame data capacity of the effective information data of the two-dimensional code, provides a simple and practical coding method, and improves the speed and the capacity of information transmission by generating a continuous dynamic two-dimensional code sequence.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of an augmented reality content transmission method according to a first embodiment of the present invention.
Fig. 2 is a schematic diagram illustrating a comparison between the efficient dynamic QR code transmission method of the present invention and the conventional two-dimensional code data transmission.
Fig. 3 is a diagram illustrating an augmented reality content transmission method according to a second embodiment of the present invention.
Fig. 4 is a diagram illustrating an augmented reality content transmission method according to a third embodiment of the present invention.
Fig. 5 is a diagram illustrating an augmented reality content transmission system according to a first embodiment of the present invention.
Fig. 6 is a diagram illustrating an augmented reality content transmission system according to a second 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 only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a schematic diagram of an augmented reality content transmission method according to a first embodiment of the present invention. Preferably, this embodiment can be performed by the augmented reality content delivery system of the present invention. The method comprises the following steps:
step 101, the transmitting terminal continuously encodes augmented reality AR data source information according to a predetermined encoding rule and sequence, wherein each augmented reality AR data source information corresponds to a unique encoding ID.
In an embodiment of the present invention, in step 101, the step of continuously encoding augmented reality data source information may include: and carrying out dynamic Quick Response (QR) coding on the augmented reality data source information.
Step 102, the transmitting terminal continuously plays the encoded data frames.
In an embodiment of the present invention, step 102 may be specifically executed by a display screen of the transmitting terminal.
Step 103, the receiving terminal continuously receives the continuous coding data frames sent by the transmitting terminal.
In an embodiment of the present invention, step 103 may be specifically executed by a camera of the receiving terminal.
And 104, the receiving terminal decodes the coded data frame according to a preset decoding rule and a preset sequence, and presents the original augmented reality data source information.
Based on the augmented reality content transmission method provided by the embodiment of the invention, the existing configuration of the intelligent terminal is utilized, and no additional transformation is needed. The embodiment of the invention utilizes the efficient dynamic QR code, and can effectively identify the AR push content, thereby avoiding the AR content error caused by the visual field deviation of the user. The decoding function of the above embodiment of the present invention is implemented in the user terminal APP, thereby further reducing the network side load.
Fig. 2 is a schematic diagram illustrating a comparison between the efficient dynamic QR code transmission method of the present invention and the conventional two-dimensional code data transmission.
As shown in fig. 2, a conventional two-dimensional code transmission method may include:
step 1, playing the data frame according to the predetermined rule.
And 2, analyzing the corresponding address in the data frame and initiating a network access request.
And 3, acquiring original information through a network.
As shown in fig. 2, the efficient dynamic QR code transmission method of the present invention may include:
step 1, the transmitting terminal plays the continuous data frame sequence according to the preset rule.
In an embodiment of the present invention, the data frame mapping method (i.e. step 1 of the efficient dynamic QR code transmission method of the present invention) may include: and converting the codes into a plurality of data frames according to a preset rule and sequence, and sequentially filling the obtained data frames into the display equipment according to the sequence. For example: the data frames constitute an M × N array (M, N is a natural number). The area (or pixel) occupied by the data frame array at each moment is less than or equal to the area (or pixel) of the display device used.
And 2, the receiving terminal restores the data frame sequence carrying information according to the reservation rule.
At the receiving end, if the received data frames are not in a predetermined order (e.g., from the data in the sequence from 1, 2, 3, … N, starting from the Kth frame, K < N, and K, N is a natural number), the receiving end may continue receiving until all data frames are received.
Fig. 3 is a diagram illustrating an augmented reality content transmission method according to a second embodiment of the present invention. Preferably, this embodiment can be performed by the augmented reality content delivery system of the present invention. The method comprises the following steps:
step 301, at the LTE broadcast transmitting side, converting available AR information sources (e.g., player information, actor information, etc.) to obtain a dynamic QR code.
Step 302, content synthesis is performed in the LTE broadcast content, and in the obtained broadcast content picture, all data sources that can obtain extra information have been converted into corresponding QR codes.
Step 303, at the user side, according to the user requirement, the receiving end APP may present corresponding information.
The above embodiment of the present invention can support a large number of terminal accesses without causing network paralysis because the coded ID can be transmitted by broadcasting.
Fig. 4 is a diagram illustrating an augmented reality content transmission method according to a third embodiment of the present invention. Preferably, this embodiment can be performed by the augmented reality content delivery system of the present invention. The method comprises the following steps:
in step 401, the original LTE broadcast content has no AR information identifier (e.g., tennis match rebroadcast).
Step 402, dynamic QR code encoding is performed on the AR content data source through the broadcasting side.
At the receiving end, the user terminal decodes the request to obtain the relevant information (player information, game information, etc.) corresponding to the request, in step 403.
In one embodiment of the present invention, the method may further include: the receiving end user interacts with the AR content through the dynamic two-dimensional code; the dynamic two-dimensional code has a mapping relation with interactive AR content, and corresponding content issuing operation of the content distribution system can be triggered by clicking different areas; the dynamic two-dimensional code completes encoding and decoding in the receiving end without uploading to a server side for execution.
The invention increases the frame data capacity of the effective information data of the two-dimensional code, provides a simple and practical coding method, and generates a continuous dynamic two-dimensional code sequence, thereby improving the speed and capacity of information transmission.
The embodiment of the invention utilizes the existing configuration of the intelligent terminal without additional transformation. The embodiment of the invention utilizes the efficient dynamic QR code, and can effectively identify the AR push content, thereby avoiding the AR content error caused by the visual field deviation of the user. The decoding function of the above embodiment of the present invention is implemented in the user terminal APP, thereby further reducing the network side load.
The above embodiment of the present invention can support a large number of terminal accesses without causing network paralysis because the coded ID can be transmitted by broadcasting.
Fig. 5 is a diagram illustrating an augmented reality content transmission system according to a first embodiment of the present invention. As shown in fig. 5, the augmented reality content transmission system may include a transmitting terminal 51 and a receiving terminal 52, wherein:
the transmitting terminal 51 is used for continuously coding the AR data source information according to a preset coding rule and a preset sequence; and continuously plays the encoded data frames.
In one embodiment of the present invention, the transmitting terminal 51 may be configured to perform dynamic quick response QR coding on the augmented reality data source information according to a predetermined coding rule and order.
In one embodiment of the present invention, the transmitting terminal 51 may be configured to continuously play the encoded data frames through long term evolution LTE broadcast; and performing content synthesis in the LTE broadcast content, and converting the data source of the extra information into a corresponding dynamic QR code.
In one embodiment of the present invention, the transmitting terminal 51 may also be configured to convert the encoding into a plurality of data frames according to a predetermined encoding rule and order; and sequentially fills the resulting data frames in the display device of the transmitting terminal 51 in order.
A receiving terminal 52, configured to continuously receive the continuous encoded data frames sent by the transmitting terminal; and the receiving terminal 52 decodes the encoded data frame according to the preset decoding rule and sequence, and presents the original augmented reality data source information.
In one embodiment of the present invention, the receiving terminal 52 is further configured to display additional information corresponding to the user's needs by decoding.
In one embodiment of the present invention, the receiving terminal 52 is further configured to continue receiving in a case where the received encoded data frames are not arranged in a predetermined order; and after receiving all the data frames, executing the operation of decoding the encoded data frames according to the preset decoding rule and the preset sequence.
In an embodiment of the present invention, the receiving terminal 52 is configured to receive a dynamic two-dimensional code sent by a user, send corresponding AR content to the user, and interact with the user; receiving different areas clicked by a user, and triggering corresponding content issuing operation of a content distribution system, wherein the dynamic two-dimensional code has a mapping relation with interactive AR content; and the dynamic two-dimensional code is encoded and decoded without uploading to a server side for execution.
In one embodiment of the present invention, as shown in fig. 5, there may be a plurality of receiving terminals 52.
Based on the augmented reality content transmission system provided by the embodiment of the invention, the frame data capacity of the effective information data of the two-dimensional code is increased, and the continuous dynamic two-dimensional code sequence is generated, so that the speed and the capacity of information transmission are improved.
The embodiment of the invention utilizes the existing configuration of the intelligent terminal without additional transformation. The embodiment of the invention utilizes the efficient dynamic QR code, and can effectively identify the AR push content, thereby avoiding the AR content error caused by the visual field deviation of the user. The decoding function of the above embodiment of the present invention is implemented in the user terminal APP, thereby further reducing the network side load.
The above-described embodiment of the present invention can support access by a large number of receiving terminals 52 without causing network collapse since the coded ID can be transmitted by broadcast.
Fig. 6 is a diagram illustrating an augmented reality content transmission system according to a second embodiment of the present invention. Compared to the embodiment shown in fig. 5, in the embodiment shown in fig. 6, the transmitting terminal 51 may include an encoding module 511 and a playing module 512, and the receiving terminal 52 may include a receiving module 521 and a decoding module 522, wherein:
the encoding module 511 is configured to perform continuous encoding on the augmented reality AR data source information according to a predetermined encoding rule and sequence.
And a playing module 512, configured to play the encoded data frames continuously.
In an embodiment of the present invention, the playing module 512 may be implemented as a display screen of the transmitting terminal.
The receiving module 521 is configured to continuously receive the continuous encoded data frames sent by the transmitting end.
In an embodiment of the present invention, the receiving module 521 may be implemented as a camera of a receiving terminal.
And a decoding module 522, configured to perform a decoding operation on the encoded data frame according to a preset decoding rule and a preset sequence, so as to present original augmented reality data source information.
The functional units of the encoding module 511, the decoding module 522, etc. described above may be implemented as a general purpose processor, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any suitable combination thereof, for performing the functions described herein.
Thus far, the present invention has been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. An augmented reality content transmission method, comprising:
the transmitting terminal continuously encodes the AR data source information according to a preset encoding rule and a preset encoding sequence;
the transmitting terminal continuously plays the encoded data frames;
a receiving terminal continuously receives continuous coding data frames sent by a transmitting terminal;
the receiving terminal decodes the encoded data frames according to preset decoding rules and sequences to present original augmented reality data source information, wherein decoding of the continuous encoded data frames is completed in the receiving terminal without uploading to a server side for execution;
wherein the transmitting terminal continuously playing the encoded data frames comprises:
the transmitting terminal continuously plays the encoded data frames through Long Term Evolution (LTE) broadcasting;
performing content synthesis in LTE broadcast content, and converting a data source of extra information into a corresponding dynamic QR code;
wherein, the augmented reality content transmission method further comprises: the receiving terminal displays additional information corresponding to the user's needs by decoding.
2. The method of claim 1, wherein the continuously encoding augmented reality data source information comprises:
and carrying out dynamic Quick Response (QR) coding on the augmented reality data source information.
3. The method of claim 1 or 2, wherein the transmitting terminal continuously playing the encoded data frames comprises:
converting the code into a plurality of data frames according to a preset coding rule and sequence;
and sequentially filling the obtained data frames to a display device of the transmitting terminal according to the sequence.
4. The method of claim 1 or 2, further comprising:
if the coded data frames received by the receiving terminal are not arranged according to the preset sequence, the receiving terminal continues to receive the coded data frames;
and after receiving all the data frames, the receiving terminal executes the step of decoding the coded data frames according to the preset decoding rule and sequence.
5. The method of claim 1 or 2, further comprising:
the receiving end user interacts with the AR content through the dynamic two-dimensional code;
the dynamic two-dimensional code has a mapping relation with interactive AR content, and corresponding content issuing operation of the content distribution system can be triggered by clicking different areas;
the dynamic two-dimensional code completes encoding and decoding in the receiving end without uploading to a server side for execution.
6. An augmented reality content transmission system comprising a transmitting terminal and a receiving terminal, wherein:
the transmitting terminal is used for continuously coding the AR data source information according to a preset coding rule and a preset coding sequence; and continuously playing the encoded data frames;
the receiving terminal is used for continuously receiving the continuous coding data frames sent by the transmitting terminal; the receiving terminal decodes the encoded data frames according to preset decoding rules and sequences to present original augmented reality data source information, wherein decoding of the continuous encoded data frames is completed in the receiving terminal without uploading to a server side for execution;
the transmitting terminal is used for continuously playing the coded data frames through Long Term Evolution (LTE) broadcasting; performing content synthesis in the LTE broadcast content, and converting the data source of the extra information into a corresponding dynamic QR code;
the receiving terminal is also used for displaying additional information corresponding to the user requirement through decoding.
7. The system of claim 6,
and the transmitting terminal is used for carrying out dynamic Quick Response (QR) coding on the augmented reality data source information according to a preset coding rule and a preset coding sequence.
8. The system of claim 6 or 7,
the transmitting terminal is used for converting the codes into a plurality of data frames according to a preset coding rule and sequence; and sequentially filling the obtained data frames to a display device of the transmitting terminal in order.
9. The system of claim 6 or 7,
the receiving terminal is also used for continuing receiving under the condition that the received coded data frames are not arranged according to the preset sequence; and after receiving all the data frames, executing the operation of decoding the encoded data frames according to the preset decoding rule and the preset sequence.
10. The system of claim 6 or 7,
the receiving terminal is used for receiving the dynamic two-dimensional code sent by the user, sending corresponding AR content to the user and interacting with the user; receiving different areas clicked by a user, and triggering corresponding content issuing operation of a content distribution system, wherein the dynamic two-dimensional code has a mapping relation with interactive AR content; and the dynamic two-dimensional code is encoded and decoded without uploading to a server side for execution.
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