Quality-self-adapting wireless video coding method

A technology of wireless video and coding method, applied in the field of wireless video coding, can solve problems such as improvement of adaptive coding method that pays less attention to video content, and achieve the effect of improving user experience quality, improving coding quality and better processing

Active Publication Date: 2015-01-07
成都随锐云科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology allows for improved compression efficiency when transmitting videos over wireless networks due to its ability to selectively compress high-quality content without affecting other parts of that network's transmission bandwidth or processing resources. It also improves upon how well it works by measuring similarities between different frames before decoding them. Overall, this new approach helps optimize data communication across multiple devices while maintaining good image experiences.

Problems solved by technology

The technical problem addressed by this patented technology relates to improving the compression efficiency (bit rates) and accuracy of videos transmitted over wireless communication channels while reducing their overall size without compromising picture quality due to complicated background feature changes caused by complex scenes like images containing sharp edges.

Method used

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  • Quality-self-adapting wireless video coding method

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Embodiment Construction

[0030] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.

[0031] please see figure 1 , the technical scheme that the present invention adopts is: a kind of wireless video coding method of quality self-adaptation, comprises the following steps:

[0032] Step 1: Get the reconstructed frame P of the encoded image i ~P n (1≤i≤n);

[0033] Step 2: Using the dynamic texture model, reconstruct the frame P through the encoded image i ~P n Synthesize the virtual reconstructed frame P′ of the n+1th frame image n+1 ;

[0034] Step 3: Using a sampling window of 16x16 pixels, calculate the SSIM value of each sampling wind...

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Abstract

The invention discloses a quality-self-adapting wireless video coding method. Firstly, the dynamic texture synthesis method is adopted, a virtual reconstruction frame of a frame to be coded is constructed through a reconstruction frame of a coded image, then with the SSIM being used as the index, a threshold value is set to determine low-quality macro blocks in the virtual reconstruction frame, and finally, coding parameters of the low-quality macro blocks are regulated, and the macro blocks are coded more finely in the coding process, so that complex textures and marginal area macro blocks are better processed, and the user experience quality of the whole image is improved.

Description

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Claims

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Application Information

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Owner 成都随锐云科技有限公司
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