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Picture decoding method and related product

A decoding method and image technology, applied in the field of image processing, can solve problems such as low efficiency and slow image decoding efficiency

Active Publication Date: 2020-12-25
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high compression ratio, the decoding efficiency of images in Webp format is slower than that of png jpeg. Currently, webp on android phones generally uses CPU soft decoding, which is inefficient.

Method used

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  • Picture decoding method and related product
  • Picture decoding method and related product
  • Picture decoding method and related product

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Embodiment Construction

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0024] The terms "first", "second" and the like in the specification and claims of the present application and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed st...

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Abstract

The embodiment of the invention provides a picture decoding method and a related product. The picture decoding method comprises the steps: obtaining a target picture, wherein the target picture is a picture in a webp format; processing the target picture into a to-be-processed video in a vp8 video format by utilizing a preset mode; and decoding the to-be-processed video by using a vp8 decoder to obtain a decoded picture corresponding to the target picture. Thus, the target picture is processed into the to-be-processed video in the vp8 video format, and then the to-be-processed video is decodedby using the vp8 decoder, so compared with decoding of the target picture in the webp format by using a CPU, the method is higher in decoding speed, and is higher in decoding efficiency.

Description

technical field [0001] The present application relates to the technical field of picture processing, in particular to a picture decoding method and related products. Background technique [0002] At present, pictures in the network still occupy a large part of traffic, especially for mobile terminals. Therefore, how to reduce the size of pictures without visual distortion is very important for saving bandwidth and battery power. However, at present, the optimization of commonly used image formats such as JPEG, PNG, and GIF has almost reached the extreme. Therefore, Google proposed a new image compression format in 2010 - WebP, which provides new possibilities for image optimization. [0003] WebP provides lossless and lossy compression capabilities for network images, and supports transparent channels under lossy conditions. According to official experiments, lossless WebP reduces the size by 26% compared to PNG; lossy WebP reduces the size by 25% to 34% compared to JPEG un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/44H04N19/42
CPCH04N19/44H04N19/42Y02D30/70
Inventor 韩世广
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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