CN113508596A - 帧内预测方法、装置及计算机存储介质 - Google Patents

帧内预测方法、装置及计算机存储介质 Download PDF

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Publication number
CN113508596A
CN113508596A CN201980093432.2A CN201980093432A CN113508596A CN 113508596 A CN113508596 A CN 113508596A CN 201980093432 A CN201980093432 A CN 201980093432A CN 113508596 A CN113508596 A CN 113508596A
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China
Prior art keywords
prediction model
decoding block
prediction
pixel value
block
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CN201980093432.2A
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Inventor
周益民
程学理
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Publication of CN113508596A publication Critical patent/CN113508596A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

Abstract

本申请实施例公开了一种帧内预测方法、装置及计算机存储介质，该帧内预测方法包括：当接收到残差矩阵时，查找码字标识对应的预测模型，码字标识为编码阶段根据率失真代价确定出的预测模型对应的标识；当预测模型为第一预测模型时，确定与当前编码块在预设方向相邻的重构解码块；将重构解码块输入第一预测模型中，得到当前解码块的预测像素值；根据预测像素值和残差矩阵，得到当前解码块的解码像素值。

Description

PCT国内申请，说明书已公开。

Claims (16)

  1. PCT国内申请，权利要求书已公开。
CN201980093432.2A 2019-03-11 2019-03-11 帧内预测方法、装置及计算机存储介质 Pending CN113508596A (zh)

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PCT/CN2019/077719 WO2020181471A1 (zh) 2019-03-11 2019-03-11 帧内预测方法、装置及计算机存储介质

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CN113508596A true CN113508596A (zh) 2021-10-15

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CN (1) CN113508596A (zh)
WO (1) WO2020181471A1 (zh)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103517069B (zh) * 2013-09-25 2016-10-26 北京航空航天大学 一种基于纹理分析的hevc帧内预测快速模式选择方法
CN108965871B (zh) * 2015-09-29 2023-11-10 华为技术有限公司 图像预测的方法及装置
EP3316580A4 (en) * 2015-10-13 2018-09-26 Samsung Electronics Co., Ltd. Method and device for encoding or decoding image
US10652575B2 (en) * 2016-09-15 2020-05-12 Qualcomm Incorporated Linear model chroma intra prediction for video coding
US10880570B2 (en) * 2016-10-05 2020-12-29 Qualcomm Incorporated Systems and methods of adaptively determining template size for illumination compensation

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