CN110582009A - method and device for superposing retina information in video - Google Patents
method and device for superposing retina information in video Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
- H04N21/2355—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving reformatting operations of additional data, e.g. HTML pages
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23614—Multiplexing of additional data and video streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25866—Management of end-user data
- H04N21/25875—Management of end-user data involving end-user authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
- H04N21/4355—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving reformatting operations of additional data, e.g. HTML pages on a television screen
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/4508—Management of client data or end-user data
- H04N21/4532—Management of client data or end-user data involving end-user characteristics, e.g. viewer profile, preferences
Abstract
The invention discloses a method and a device for superposing retina information in a video, which relate to the technical field of information processing, and the method comprises the following steps: the video sending end sends video information to the video receiving end respectively; the information sending equipment sends the retina information to a server; the server receives the retina information, and classifies and processes the retina information according to a preset rule to obtain at least one retina sub-information; the video receiving end sends a first information request message to the server, the server sends the retina sub-information corresponding to the identification information of the first retina sub-information to the video receiving end, and the video receiving end displays the received video information and the corresponding retina sub-information in a superposition mode. The video receiving end can acquire the relevant retina sub-information from the server according to the self-requirement and display the retina sub-information and the video information together, so that the user requirement of each video receiving end is met, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of information processing, in particular to a method and a device for overlaying retina information in a video.
Background
With the continuous development of scientific technology, video technology has penetrated into various fields, and people can watch videos at any time or exchange videos and the like. In order to further improve the user experience, some information related to the video is often superimposed on the video and displayed.
In the prior art, information to be superimposed in a video is usually generated into a picture in advance by using information to be superimposed, then a video sending end generates a composite video from the video and the generated picture, and then the composite video is transmitted to a video receiving end, so that the video receiving end can see the video and the information related to the video at the same time.
however, in the prior art, the video and the information to be superimposed need to be transmitted from the video sending end to the video receiving end, and the video receiving end cannot edit the information to be superimposed after receiving the information, so that the user requirements of each video receiving end cannot be met when the number of the video receiving ends is multiple and the requirements of each video receiving end are different, thereby reducing the user experience.
Disclosure of Invention
in view of this, the present invention provides a method and an apparatus for superimposing retinal information in a video, where a video receiving end can obtain relevant retinal sub-information from a server according to its own requirements and display the retinal sub-information together with the video information, so as to meet the user requirements of each video receiving end, thereby improving user experience.
The invention solves the problems through the following technical means:
The invention discloses a method for superposing retina information in a video, which comprises the following steps: the video sending end sends video information to at least one video receiving end respectively; the information sending equipment sends retina information to a server, wherein the retina information carries identification information of the video information, meaning represented by the retina information, the number of the retina information, the type of the retina information and the content of the retina information; the server receives the retina information, classifies and processes the retina information according to a preset rule, and obtains at least one retina sub-information; at least one video receiving end sends a first information request message to the server, wherein the first information request message carries identification information of the video receiving end and identification information of first retina sub-information; after receiving the first information request message, the server sends the retina sub-information corresponding to the identification information of the first retina sub-information to a corresponding video receiving end, so that the video receiving end displays the received video information and the retina sub-information corresponding to the identification information of the first retina sub-information in an overlapping manner.
Further, still include: the video sending end sends a second information request message to the server, wherein the second information request message carries identification information of the video sending end and identification information of second retina sub-information; after receiving the second information request message, the server sends the retina sub-information corresponding to the second retina sub-information to the video sending end, so that the video sending end displays the video information and the received retina sub-information corresponding to the second retina sub-information in an overlapping mode.
Further, the content of the retinal information includes the occurrence time of the video information, the occurrence place of the video information, and the content of the video information.
Further, the video sending terminal, the video receiving terminal, the information sending device and the server are in the same network space.
the invention discloses a device for superposing retina information in a video, which comprises: a video transmitting unit for transmitting video information to at least one video receiving unit; the information sending unit is used for sending retina information to the processing unit, wherein the retina information carries identification information of the video information, meaning represented by the retina information, the number of the retina information, the type of the retina information and the content of the retina information; the processing unit is used for receiving the retina information, storing the received retina information and the identification information of the video sending unit in a one-to-one correspondence manner, and classifying and processing the retina information according to a preset rule to obtain at least one retina sub-information; the video receiving unit is used for sending a first information request message to the processing unit, wherein the first information request message carries identification information of the video receiving unit and identification information of first retina sub-information; the processing unit is further configured to send, after receiving the first information request message, the retina sub-information corresponding to the identification information of the first retina sub-information to a corresponding video receiving unit; the video receiving unit is used for displaying the received video information and the retina sub information corresponding to the identification information of the first retina sub information in an overlapping mode.
Further, the video sending unit is further configured to send a second information request message to the processing unit, where the second information request message carries identification information of the video sending unit and identification information of second retina sub-information; the processing unit is further configured to send, after receiving the second information request message, retina sub information corresponding to the second retina sub information to the video sending unit; the video sending unit is further configured to display the video information and the received retina sub information corresponding to the second retina sub information in an overlapping manner.
Further, the content of the retinal information includes the occurrence time of the video information, the occurrence place of the video information, and the content of the video information.
Further, the video sending unit, the video receiving unit, the information sending unit and the processing unit are in the same network space.
The method and the device for superposing the retina information in the video have the following beneficial effects:
The invention provides a method and a device for superposing retina information in a video, wherein a video sending end sends video information to a video receiving end, an information sending device sends the retina information to a server, the server classifies and processes the retina information according to a preset rule after receiving the retina information, a plurality of retina sub-information are finally obtained, the video receiving end sends a first information request message to the server after receiving the video information, so that the server sends the retina sub-information corresponding to identification information of the first retina sub-information to the video receiving end after receiving the first information request message, and finally the video receiving end superposes and displays the received retina sub-information and the video information. Therefore, the video receiving end can acquire the relevant retina sub-information from the server according to the self-requirement and display the retina sub-information together with the video information, the retina sub-information irrelevant to the video receiving end does not need to be displayed, the user requirement of each video receiving end is met, and the user experience is improved.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic flow chart of a method for superimposing retinal information in a video according to the present invention;
FIG. 2 is an exemplary diagram of a method of superimposing retinal information in a video in accordance with the present invention;
FIG. 3 is an exemplary diagram of another method of superimposing retinal information in a video in accordance with the present invention;
Fig. 4 is a functional diagram of an apparatus for superimposing retinal information in a video according to the present invention.
Detailed Description
The method for superimposing retina information in a video, as shown in fig. 1, of the present invention includes the following steps:
101. And the video sending end respectively sends the video information to at least one video receiving end.
The video information carries identification information of the video sending end, and the identification information of the video sending end can be ID information, an MAC address or an IP address and the like of the video sending end.
102. The information transmitting apparatus transmits the retina information to the server.
Wherein the retina information carries identification information of the video information, meaning represented by the retina information, number of the retina information, type of the retina information and content of the retina information; the content of the retina information comprises the occurrence time of the video information, the occurrence place of the video information and the content of the video information.
specifically, the identification information of the video information may be attribute information of the video, coding information of the video, and the like.
It should be noted that, the execution order of step 101 and step 102 is not limited in the present invention, and step 101 may be executed first, and then step 102 may be executed; step 102 may be performed first, and then step 101 may be performed.
103. The server receives the retina information, classifies and processes the retina information according to a preset rule, and obtains at least one retina sub-information.
Specifically, after receiving the retina information, the server analyzes the retina information to obtain identification information of the video information, the meaning indicated by the retina information, the number of the retina information, the type of the retina information and the content of the retina information, then correspondingly stores the meaning indicated by the retina information, the number of the retina information, the type of the retina information and the content of the retina information and the identification information of the video information, merges and classifies the content of the retina information of the same type according to the type of the retina information and the meaning indicated by the retina information, performs processing such as time sequence arrangement, accumulation processing and weighted averaging, and finally obtains at least one piece of retina sub-information.
For example, taking a teaching scene as an example, the retinal information may be information of how many students check in to enter a classroom, whether the students are late, how many students check in, how many students are not check in, how many students are going back early, and the like in a certain teaching classroom, where the information of a certain teaching classroom is the occurrence location of video information, and the information of how many students check in to enter the classroom, whether the students are late, how many students have checked in, how many students are not check in, how many students are going back early, and the like is the content of the video information, and information sending devices such as a card writer input the information to a server as the retinal information to be superimposed on the video information of the classroom so as to facilitate the teacher, the executive and the committee to confirm and manage in time. The retina information can also be teaching interaction information such as the number of times the teacher gives questions, the number of times the student answers the questions, whether the student answers the questions correctly and the like, wherein the number of times the teacher gives questions, the number of times the student answers the questions, whether the student answers the questions correctly and the like are all contents of video information, and the information input servers are superposed into the video information of the classroom as the retina information by information sending equipment such as a question answering device and the like, so that the teacher giving lessons can timely master the learning and understanding conditions of the students. The present case takes the teaching scenario as an example, including but not limited to the teaching scenario.
104. at least one video receiving end sends a first information request message to the server.
The first information request message carries identification information of the video receiving terminal and identification information of first retina sub-information.
the identification information of the video receiving end comprises ID information, an MAC address or an IP address and the like of the video receiving end.
Specifically, after each video receiving terminal receives the video information, if the retina sub-information needs to be acquired, a first information request message carrying identification information of the video receiving terminal and identification information of the first retina sub-information is sent to a server; if the retina sub-information does not need to be acquired, the first information request message does not need to be sent to the server.
105. After receiving the first information request message, the server sends the retina sub-information corresponding to the identification information of the first retina sub-information to a corresponding video receiving end, so that the video receiving end displays the received video information and the retina sub-information corresponding to the identification information of the first retina sub-information in an overlapping manner.
specifically, after receiving the first information request message, the server analyzes the first information request message to obtain identification information of the video receiving end and identification information of the first retina sub-information, then searches for corresponding retina sub-information according to the identification information of the first retina sub-information, then packs the found retina sub-information and the identification information of the video receiving end and sends the retina sub-information and the identification information of the video receiving end to the corresponding video receiving end, and after receiving the retina sub-information and the video information, the video receiving end superimposes the retina sub-information and the video information and finally displays the superimposed information.
106. and the video sending end sends a second information request message to the server, wherein the second information request message carries the identification information of the video sending end and the identification information of the second retina sub-information.
specifically, if the video sending end needs to acquire the retina sub-information, a second information request message carrying the identification information of the video sending end and the identification information of the second retina sub-information is sent to the server; if the retina sub-information does not need to be acquired, the second information request message does not need to be sent to the server.
107. After receiving the second information request message, the server sends the retina sub-information corresponding to the second retina sub-information to the video sending end, so that the video sending end displays the video information and the received retina sub-information corresponding to the second retina sub-information in an overlapping mode.
Specifically, after receiving the second information request message, the server parses the second information request message to obtain identification information of the video sending end and identification information of second retina sub information, then searches corresponding retina sub information according to the identification information of the second retina sub information, then packs the found retina sub information and the identification information of the video sending end and sends the retina sub information and the identification information of the video sending end to the corresponding video sending end, after the video sending end receives the retina sub information and the sent video information, finally displays the superposed information back, when a user at the video sending end and a user at the video receiving end need to communicate through a video, the retina sub information corresponding to the identification information of the first retina sub information is the same as the retina sub information corresponding to the identification information of the second retina sub information, therefore, the contents displayed by the video sending end and the video receiving end are the same, and the users of the two parties can share the same information for communication.
It should be noted that, the execution order of steps 104 to 105 and steps 106 to 107 is not limited, and steps 104 to 107 may be executed in sequence; alternatively, step 106-step 107 may be performed first, and then step 104-step 105 may be performed.
It should be noted that the video sending end, the video receiving end, the information sending device and the server of the present invention are located in the same network space.
It should be noted that the following description is made in terms of two embodiments in order to facilitate better understanding of the present invention.
in the first embodiment, as shown in fig. 2, it is assumed that one video sending end is provided, three video receiving ends are provided, which are respectively a video receiving end a, a video receiving end B and a video receiving end C, the retina sub information includes three retina sub information a, retina sub information B and retina sub information C, the retina sub information that the video receiving end a needs to display is the retina sub information a, the retina sub information that the video receiving end B needs to display is the retina sub information B, and the retina sub information that the video receiving end C needs to display is the retina sub information C, the video receiving end a sends identification information corresponding to the retina sub information a to a server, so that the server sends the retina sub information a to the video receiving end a; the video receiving terminal B sends identification information corresponding to the retina sub-information B to the server, so that the server sends the retina sub-information B to the video receiving terminal B; the video receiving terminal C sends identification information corresponding to the retina sub-information C to the server, so that the server sends the retina sub-information C to the video receiving terminal C, and finally the video receiving terminal A only displays the video information and the retina sub-information A and does not display the retina sub-information B and the retina sub-information C; the video receiving end B only displays the video information and the retina sub information B, and does not display the retina sub information A and the retina sub information C; the video receiving end C only displays the video information and the retina sub information C, but does not display the retina sub information A and the retina sub information B, and the video transmission system between the video transmitting end and the video receiving ends is realized.
in a second embodiment, as shown in fig. 3, three video sending terminals are assumed, which are a video sending terminal a, a video sending terminal B, and a video sending terminal C, respectively; the video receiving ends are three, namely a video receiving end A, a video receiving end B and a video receiving end C, video transmitted to the video receiving end A by the video transmitting end A is video information A, video transmitted to the video receiving end B by the video transmitting end B is video information B, video transmitted to the video receiving end C by the video transmitting end C is video information C retina sub information which comprises six parts, namely retina sub information A, retina sub information B, retina sub information C, retina sub information D, retina sub information E and retina sub information F, retina sub information A and retina sub information B are retina sub information A and retina sub information B which need to be displayed by the video receiving end A, retina sub information C and retina sub information D which need to be displayed by the video receiving end B, retina sub information E and retina sub information F which need to be displayed by the video receiving end C, the video receiving terminal A sends identification information corresponding to the retina sub-information A and identification information corresponding to the retina sub-information B to the server, so that the server sends the retina sub-information A and the retina sub-information B to the video receiving terminal A; the video receiving terminal B sends identification information corresponding to the retina sub information C and identification information corresponding to the retina sub information D to the server, so that the server sends the retina sub information C and the retina sub information D to the video receiving terminal B; the video receiving terminal C sends identification information corresponding to the retina sub information E and identification information corresponding to the retina sub information F to the server, so that the server sends the retina sub information E and the retina sub information F to the video receiving terminal C, and finally the video receiving terminal A only displays the video information, the retina sub information A and the retina sub information B and does not display the retina sub information C, the retina sub information D, the retina sub information E and the retina sub information F; the video receiving end B only displays the video information, the retina sub information C and the retina sub information D, but does not display the retina sub information A, the retina sub information B, the retina sub information E and the retina sub information F; the video receiving end C only displays the video information, the retina sub information E and the retina sub information F, does not display the retina sub information A, the retina sub information B, the retina sub information C and the retina sub information D, a video transmission system between a plurality of video transmitting ends and a plurality of video receiving ends is achieved, and each video receiving end needs to select the retina sub information needing to be displayed according to self requirements.
An apparatus for superimposing retinal information in a video of the present invention, as shown in fig. 4, includes a video transmitting unit 401, an information transmitting unit 402, a processing unit 403, and a video receiving unit 404. Wherein the content of the first and second substances,
A video transmitting unit 401 for transmitting video information to at least one video receiving unit 404.
an information transmitting unit 402 for transmitting the retina information to the processing unit 403.
wherein the retina information carries identification information of the video information, meaning represented by the retina information, number of the retina information, type of the retina information and content of the retina information; the content of the retina information comprises the occurrence time of the video information, the occurrence place of the video information and the content of the video information.
The processing unit 403 is configured to receive retina information, store the received retina information in a one-to-one correspondence with the identification information of the video sending unit 401, and classify and process the retina information according to a preset rule to obtain at least one piece of retina sub information.
A video receiving unit 404, configured to send a first information request message to the processing unit 403, where the first information request message carries identification information of the video receiving unit itself and identification information of the first retina sub-information.
The processing unit 403 is further configured to, after receiving the first information request message, send the retina sub information corresponding to the identification information of the first retina sub information to a corresponding video receiving unit 404.
The video receiving unit 404 is configured to display the received video information and the retina sub information corresponding to the identification information of the first retina sub information in an overlapping manner.
further, the video sending unit 401 is further configured to send a second information request message to the processing unit 403, where the second information request message carries the identification information of the video sending unit 401 and the identification information of the second retina sub-information.
the processing unit 403 is further configured to, after receiving the second information request message, send the retina sub information corresponding to the second retina sub information to the video sending unit 401.
The video sending unit 401 is further configured to display the video information and the received retina sub information corresponding to the second retina sub information in an overlapping manner.
The video transmitting unit 401, the video receiving unit 404, the processing unit 403, and the information transmitting unit 402 are in the same network space.
The invention provides a method and a device for superposing retina information in a video, wherein a video sending end sends video information to a video receiving end, an information sending device sends the retina information to a server, the server classifies and processes the retina information according to a preset rule after receiving the retina information, a plurality of retina sub-information are finally obtained, the video receiving end sends a first information request message to the server after receiving the video information, so that the server sends the retina sub-information corresponding to identification information of the first retina sub-information to the video receiving end after receiving the first information request message, and finally the video receiving end superposes and displays the received retina sub-information and the video information. Therefore, the video receiving end can acquire the relevant retina sub-information from the server according to the self-requirement and display the retina sub-information together with the video information, the retina sub-information irrelevant to the video receiving end does not need to be displayed, the user requirement of each video receiving end is met, and the user experience is improved.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. A method of superimposing retinal information in a video, characterized by: the method comprises the following steps:
The video sending end sends video information to at least one video receiving end respectively;
The information sending equipment sends retina information to a server, wherein the retina information carries identification information of the video information, meaning represented by the retina information, the number of the retina information, the type of the retina information and the content of the retina information;
The server receives the retina information, classifies and processes the retina information according to a preset rule, and obtains at least one retina sub-information;
At least one video receiving end sends a first information request message to the server, wherein the first information request message carries identification information of the video receiving end and identification information of first retina sub-information;
After receiving the first information request message, the server sends the retina sub-information corresponding to the identification information of the first retina sub-information to a corresponding video receiving end, so that the video receiving end displays the received video information and the retina sub-information corresponding to the identification information of the first retina sub-information in an overlapping manner.
2. The method of claim 1, wherein the retinal information is superimposed on the video by: further comprising: the video sending end sends a second information request message to the server, wherein the second information request message carries identification information of the video sending end and identification information of second retina sub-information;
After receiving the second information request message, the server sends the retina sub-information corresponding to the second retina sub-information to the video sending end, so that the video sending end displays the video information and the received retina sub-information corresponding to the second retina sub-information in an overlapping mode.
3. The method of claim 2, wherein the retinal information is superimposed on the video, and wherein: the content of the retina information comprises the occurrence time of the video information, the occurrence place of the video information and the content of the video information.
4. A method of superimposing retinal information in a video according to any of claims 1-3, wherein: the video sending end, the video receiving end, the information sending device and the server are in the same network space.
5. an apparatus for superimposing retinal information in a video, comprising: the method comprises the following steps:
A video transmitting unit for transmitting video information to at least one video receiving unit;
The information sending unit is used for sending retina information to the processing unit, wherein the retina information carries identification information of the video information, meaning represented by the retina information, the number of the retina information, the type of the retina information and the content of the retina information;
The processing unit is used for receiving the retina information, storing the received retina information and the identification information of the video sending unit in a one-to-one correspondence manner, and classifying and processing the retina information according to a preset rule to obtain at least one retina sub-information;
The video receiving unit is used for sending a first information request message to the processing unit, wherein the first information request message carries identification information of the video receiving unit and identification information of first retina sub-information;
The processing unit is further configured to send, after receiving the first information request message, the retina sub-information corresponding to the identification information of the first retina sub-information to a corresponding video receiving unit;
The video receiving unit is used for displaying the received video information and the retina sub information corresponding to the identification information of the first retina sub information in an overlapping mode.
6. The apparatus for overlaying retinal information in a video of claim 5, wherein:
the video sending unit is further configured to send a second information request message to the processing unit, where the second information request message carries identification information of the video sending unit and identification information of second retina sub-information;
The processing unit is further configured to send, after receiving the second information request message, retina sub information corresponding to the second retina sub information to the video sending unit;
the video sending unit is further configured to display the video information and the received retina sub information corresponding to the second retina sub information in an overlapping manner.
7. The apparatus for overlaying retinal information in a video of claim 6, wherein: the content of the retina information comprises the occurrence time of the video information, the occurrence place of the video information and the content of the video information.
8. An apparatus for superimposing retinal information in a video according to any of claims 5-7, wherein: the video sending unit, the video receiving unit, the information sending unit and the processing unit are in the same network space.
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Application publication date: 20191217 |