Intra-frame prediction mode determination method, electronic equipment and system as well as storage medium

A technology of intra-frame prediction mode and determination method, which is applied in electrical components, digital video signal modification, image communication, etc., can solve the problems of large amount of calculation and consumption, and achieve the goal of avoiding redundant calculation, accurate determination, and improving traversal efficiency Effect

Active Publication Date: 2019-03-12
SHENZHEN ONETHING TECH CO LTD
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Problems solved by technology

[0003] The main purpose of the present invention is to provide an intra prediction mode determination method, electronic equipment, system and storage medium, aiming to solve the technical problem of traversing nine intra prediction modes in the intra prediction process and consuming a large amount of calculation

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  • Intra-frame prediction mode determination method, electronic equipment and system as well as storage medium
  • Intra-frame prediction mode determination method, electronic equipment and system as well as storage medium
  • Intra-frame prediction mode determination method, electronic equipment and system as well as storage medium

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[0067]In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0068] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments describe...

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Abstract

The invention discloses an intra-frame prediction mode determination method, electronic equipment and a system as well as a storage medium. The method comprises the following steps: acquiring angle information corresponding to each intra-frame prediction mode in all the intra-frame prediction modes; performing normalization processing on the angle information corresponding to each intra-frame prediction mode, so that target angle information corresponding to each intra-frame prediction mode is obtained; determining a target macro block in an intra-frame prediction region; calculating target gradient of the target macro block; calculating a target difference value of the target gradient with each piece of target angle information; according to the target difference values, determining M undetermined intra-frame prediction modes from all the intra-frame prediction modes; predicting by adopting the M undetermined intra-frame prediction modes, so that M cost values are obtained; and according to the M cost values, determining a target intra-frame prediction mode of the target macro block from the M undetermined intra-frame prediction modes. The method disclosed by the invention can rapidly determine the target infra-frame prediction mode and improve prediction efficiency.

Description

technical field [0001] The present invention relates to the field of intra-frame prediction, in particular to a method for determining an intra-frame prediction mode, an electronic device, a system and a storage medium. Background technique [0002] Intra prediction is one of the core technologies of the H.264 video coding standard. It refers to using the correlation of the video space domain to predict the current pixel using the encoded pixels of the current image, so as to achieve the purpose of removing video space redundancy. There are up to 9 intra-frame 4x4 prediction modes for each macroblock (Macro Block, MB) of H.264, including DC mode and 8 angle-related modes. Therefore, during the H.264 encoding process, it is usually necessary to traverse the nine intra-frame prediction modes, which requires a relatively large amount of calculation. Contents of the invention [0003] The main purpose of the present invention is to provide a method for determining an intra pr...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/122H04N19/159H04N19/176
CPCH04N19/122H04N19/159H04N19/176
Inventor 邹箭
Owner SHENZHEN ONETHING TECH CO LTD
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