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Video transmission method, server, terminal and video transmission system

A video transmission and server technology, applied in the field of video transmission, can solve problems such as video quality degradation, gaps, preset models cannot cover video scenes, etc., and achieve the effect of image quality improvement

Pending Publication Date: 2022-06-03
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Since different videos have different content, styles and image quality, using the preset model cannot cover all video scenes, resulting in a large gap between the image quality of the restored super-resolution video and the image quality of the original high-resolution video. Even in some scenes, the quality of the video will be degraded

Method used

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  • Video transmission method, server, terminal and video transmission system
  • Video transmission method, server, terminal and video transmission system
  • Video transmission method, server, terminal and video transmission system

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Embodiment Construction

[0068] The embodiment of the present application provides a video transmission method, which is applied to the field of video transmission and is used for reducing the transmission bandwidth while ensuring the video image quality of the receiving end.

[0069] For ease of understanding, some technical terms involved in the embodiments of the present application are briefly introduced below:

[0070] overfitting

[0071] Overfitting means that in the process of model parameter fitting, since the training data contains sampling error, the complex model takes the sampling error into account during training and performs a good fit. The specific performance is that the model is in the training set. The effect is good on the test set, but the effect on the test set is poor, and the model generalization ability is weak. The two main reasons for overfitting are a small amount of training data, or an overly complex model.

[0072] Usually, the model is generally used to predict unkno...

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Abstract

The embodiment of the invention discloses a video transmission method, which is applied to the field of video transmission and is used for reducing the transmission bandwidth and ensuring the video image quality of a receiving end at the same time. The method provided by the embodiment of the invention comprises the following steps: a server obtains a super-division model obtained by training a target video of a first resolution and a target video of a second resolution, and sends the super-division model and a target video of a third resolution to a terminal, and the terminal performs super-resolution reconstruction on the target video with the third resolution based on the super-resolution model, and compared with super-resolution reconstruction through a general super-resolution model, the video image quality can be improved.

Description

technical field [0001] The present application relates to the technical field of video transmission, and in particular, to a video transmission method, server, terminal and video transmission system. Background technique [0002] With the development of electronic imaging technology and the continuous improvement of screen resolution, the traffic consumption of image resources such as images and videos is increasing, which brings very high bandwidth costs. Reducing the bandwidth cost of video has become a top priority for current video platforms. Compressed transmission using a smaller resolution is a commonly used bandwidth reduction technology, which can reduce the image transmission bandwidth from the video platform to the user terminal. [0003] Since a video with a smaller resolution cannot meet the user's high-quality viewing requirements, generally, the user terminal side (hereinafter referred to as the terminal side) will restore the resolution of the received video...

Claims

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Application Information

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IPC IPC(8): H04N21/2343H04N21/2662
CPCH04N21/234363H04N21/234381H04N21/2662H04N21/2343
Inventor 鲁威王祺孙龙林焕胡康康
Owner HUAWEI TECH CO LTD
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