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Image coding method based on content complexity

A technology of content complexity and image coding, applied in image communication, digital video signal modification, electrical components, etc., can solve the problems of poor video frame quality and poor video quality, and achieve the effect of improving video quality

Inactive Publication Date: 2019-04-09
建湖云飞数据科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under the condition of limited bandwidth, traditional encoders encode video frames indiscriminately, which may cause poor video quality in some scenes. When encoding all video frames indiscriminately, some video frames may have poor quality. question

Method used

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Embodiment Construction

[0014] An embodiment of the present invention provides an image coding method based on content complexity. The method first acquires an input video frame. Wherein, the video is composed of video frames frame by frame, and each video frame needs to be coded during encoding. The input video frame refers to the video frame currently to be encoded. The input video frame may be a video frame collected in real time, for example, a video frame used for instant communication. It may also be a video frame corresponding to a stored video.

[0015] Afterwards, the sampling mode corresponding to the input video frame is determined. Wherein, the sampling mode refers to a specific sampling mode, and different sampling modes correspond to different computational complexities. Common sampling modes include: sampling, direct averaging, filters, bilinear interpolation, bicubic interpolation, algorithms based on CNN (convolutional neural network), methods based on statistical characteristics,...

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Abstract

The invention discloses an image coding method based on content complexity. The method includes the steps of acquiring an input video frame, determining a sampling mode corresponding to the input video frame, sampling and coding the input video frame according to the sampling mode to obtain coded data, and adding the sampling mode to the coded data according to a processing range corresponding tothe sampling mode. By adding the sampling mode to the coded data, a more suitable sampling mode can be selected flexibly and adaptively for each input video frame in the coding process, which is beneficial to improving the video quality under limited bandwidth.

Description

technical field [0001] The present application relates to the technical field of image processing, and in particular to an image encoding method based on content complexity. Background technique [0002] Video encoding refers to the method of converting a video format file into another video format file through a specific compression technology. After the video signal is digitized, the data bandwidth is very high, usually above 20MB / s, so it is difficult for the computer to store and process it. Using compression technology usually reduces the data bandwidth to 1-10MB / sec, so that the video signal can be stored in the computer and processed accordingly. Under the condition of limited bandwidth, traditional encoders encode video frames indiscriminately, which may cause poor video quality in some scenes. When encoding all video frames indiscriminately, some video frames may have poor quality. question. Contents of the invention [0003] The embodiment of the present inven...

Claims

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Application Information

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IPC IPC(8): H04N19/132H04N19/14H04N19/169
CPCH04N19/132H04N19/14H04N19/169
Inventor 林路路
Owner 建湖云飞数据科技有限公司
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