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Method and device for performing real-time annotation on video frame

A technology of video frames and user equipment, which is applied in the computer field and can solve problems such as unfavorable real-time interaction, transmission speed impact, and delay

Active Publication Date: 2018-08-14
HISCENE INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The decoded image with annotation information received by the sender has a certain loss of clarity, and the image with annotation is transmitted from the receiver to the video sender through the network. The speed of this process depends on the current network transmission Therefore, the transmission speed is affected, and there is a delay phenomenon, which is not conducive to the real-time interaction between the two parties

Method used

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  • Method and device for performing real-time annotation on video frame
  • Method and device for performing real-time annotation on video frame
  • Method and device for performing real-time annotation on video frame

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Embodiment Construction

[0123] The application will be described in further detail below in conjunction with the accompanying drawings.

[0124] In a typical configuration of the present application, the terminal, the device serving the network and the trusted party all include one or more processors (CPUs), input / output interfaces, network interfaces and memory.

[0125] Memory may include non-permanent storage in computer readable media, in the form of random access memory (RAM) and / or nonvolatile memory such as read only memory (ROM) or flash RAM. Memory is an example of computer readable media.

[0126] Computer-readable media, including both permanent and non-permanent, removable and non-removable media, can be implemented by any method or technology for storage of information. Information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access...

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Abstract

The purpose of the invention is to provide a method and device for performing real-time annotation on a video frame. The method specifically comprises the following steps: sending a video stream to second user equipment; receiving second frame related information of a second video frame intercepted by the second user equipment in the video stream; determining a first video frame corresponding to the second video frame in the video stream according to the second frame related information; receiving annotation operation information of the second video frame by the second user equipment; and displaying a corresponding annotation operation on the first video frame in real time according to the annotation operation information. According to the method and device provided by the invention, the annotation information is directly superposed and displayed on a non-coded or non-decoded video frame image sent by a video sender, and as the annotated video frame is not subjected to encoding and decoding and other operations, the definition is high; and further, by adoption of the scheme, real-time display of the annotation is achieved, the practicability is good, the interactivity is high, andthe user experience and the broadband utilization rate are improved.

Description

technical field [0001] The present application relates to the field of computers, and in particular to a technology for real-time labeling of video frames. Background technique [0002] In the current common video stream transmission method, the sender of the video stream encodes the video according to the encoding protocol and sends it to the video receiver through the network. The receiver receives the corresponding video, decodes the video, takes a screenshot of the decoded video, and Mark on the screen, encode the marked image and send it to the video sender through the network, or send the marked image to the server, and the video sender will receive the marked image added by the server. The decoded image with annotation information received by the sender has a certain loss of clarity, and the image with annotation is transmitted from the receiver to the video sender through the network. The speed of this process depends on the current network transmission Therefore, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/4788H04N21/44H04N21/472H04N21/431H04N7/14
CPCH04N7/141H04N21/4316H04N21/44H04N21/47205H04N21/47214H04N21/4788
Inventor 张晓恬胡军潘思霁徐健钢尉苗苗
Owner HISCENE INFORMATION TECH CO LTD
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