ENCODING/DECODING METHOD, ENCODING APPARATUS, DECODING APPARATUS, AND SYSTEM FOR VIDEO IMAGE

ENCODING/DECODING METHOD, ENCODING APPARATUS, DECODING APPARATUS, AND SYSTEM FOR VIDEO IMAGE

Embodiments of the present invention provide an encoding method, a decoding method, an encoding apparatus, a decoding apparatus, for a video image. The encoding method includes: determining an optimal integrated neighboring block for a current block based on a motion vector integration technology; d...

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Hauptverfasser: Yang, Mingyuan, Lin, Sixin
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Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator Yang, Mingyuan
Lin, Sixin
description Embodiments of the present invention provide an encoding method, a decoding method, an encoding apparatus, a decoding apparatus, for a video image. The encoding method includes: determining an optimal integrated neighboring block for a current block based on a motion vector integration technology; determining, based a prediction direction of the optimal integrated neighboring block, a motion vector derivation mode that needs to be used by a decoder; correcting a motion vector of the current block based on the motion vector derivation mode; and determining a residual between a predicted value and an original value of the current block based on the corrected motion vector, thereby encoding the current block. According to the technical solutions, a more accurate predicted value is obtained by correcting the motion vector, and a smaller residual is generated.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title ENCODING/DECODING METHOD, ENCODING APPARATUS, DECODING APPARATUS, AND SYSTEM FOR VIDEO IMAGE
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