Image decoding method and related products

A decoding method and a picture technology, applied in the field of picture processing, can solve the problems of slow picture decoding efficiency and low efficiency, and achieve the effect of fast decoding speed and high decoding efficiency

Active Publication Date: 2022-06-07
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • Image decoding method and related products
  • Image decoding method and related products
  • Image decoding method and related products

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Embodiment Construction

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0024] The terms "first", "second" and the like in the description 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 "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or u...

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Abstract

Embodiments of the present application provide a picture decoding method and related products. The picture decoding method includes: obtaining a target picture, the target picture is a picture in webp format; using a preset method to process the target picture into a video to be processed in vp8 video format; using a vp8 decoder to decode the video to be processed to obtain A decoded picture corresponding to the target picture. In this way, after the target picture is processed into the video to be processed in the vp8 video format, the vp8 decoder is used to decode the video to be processed. Compared with using the CPU to decode the target picture in the webp format, the decoding speed is faster and the decoding higher efficiency.

Description

technical field [0001] The present application relates to the technical field of picture processing, and in particular, to a picture decoding method and related products. Background technique [0002] At present, pictures on the network still occupy a large part of the traffic, especially for mobile terminals. Therefore, how to reduce the size of the pictures without distorting the vision is very important to save bandwidth and battery power. However, the optimization of commonly used image formats such as JPEG, PNG, and GIF has almost reached the extreme. Therefore, in 2010, Google proposed a new image compression format, WebP, which provides new possibilities for image optimization. [0003] WebP provides lossless and lossy compression capabilities for web images, while supporting transparent channels in 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 und...

Claims

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Application Information

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Patent Type & Authority Patents(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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