CN111801943A - 色度块预测方法以及设备 - Google Patents

色度块预测方法以及设备 Download PDF

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CN111801943A
CN111801943A CN201980016632.8A CN201980016632A CN111801943A CN 111801943 A CN111801943 A CN 111801943A CN 201980016632 A CN201980016632 A CN 201980016632A CN 111801943 A CN111801943 A CN 111801943A
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CN111801943B (zh
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马祥
杨海涛
陈建乐
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Huawei Technologies Co Ltd
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Abstract

本发明提供了色度块预测方法及设备，该方法包括：解析码流获得第一指示信息，第一指示信息用于指示滤波器类型；根据滤波器类型对应的滤波器，对第一亮度块进行下采样，获得第二亮度块，第一亮度块是当前色度块对应的亮度块；获取模板色度点和模板亮度点，模板色度点包括当前色度块相邻的多个色度像素点，模板亮度点通过对第一亮度块相邻的多个亮度像素点进行下采样操作获得；根据模板色度点和模板亮度点，获得线性模型系数；根据第二亮度块和线性模型系数，获得当前色度块的预测值。

Description

PCT国内申请，说明书已公开。

Claims (32)

  1. PCT国内申请，权利要求书已公开。
CN201980016632.8A 2018-09-05 2019-09-05 色度块预测方法、用于编解码视频数据的设备以及编解码设备 Active CN111801943B (zh)

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CN2018110359235 2018-09-05
PCT/CN2019/104527 WO2020048507A1 (zh) 2018-09-05 2019-09-05 色度块预测方法以及设备

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JP2022503990A (ja) 2018-10-12 2022-01-12 オッポ広東移動通信有限公司 ビデオ画像成分予測方法および装置、コンピュータ記憶媒体
US20220279161A1 (en) * 2019-05-03 2022-09-01 Electronics And Telecommunications Research Institute Image encoding/decoding method and device, and recording medium storing bitstream
CN113497937B (zh) * 2020-03-20 2023-09-05 Oppo广东移动通信有限公司 图像编码方法、图像解码方法及相关装置
CN115665409A (zh) * 2020-06-03 2023-01-31 北京达佳互联信息技术有限公司 对视频数据进行编码的方法和设备
CN113365067B (zh) * 2021-05-21 2023-03-14 中山大学 基于位置加权的色度线性预测方法、装置、设备及介质

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CN103096057A (zh) * 2011-11-08 2013-05-08 华为技术有限公司 一种色度帧内预测方法和装置
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MX2021002486A (es) 2021-05-12
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US11962787B2 (en) 2024-04-16
SG11202100113RA (en) 2021-02-25
JP2023083292A (ja) 2023-06-15
JP7431803B2 (ja) 2024-02-15
CN110881126B (zh) 2024-01-30
CN111801943B (zh) 2021-08-31
KR102549670B1 (ko) 2023-06-29
BR112021001991A2 (pt) 2021-04-27
US20220368928A1 (en) 2022-11-17
EP3820152B1 (en) 2024-05-15
KR20210025107A (ko) 2021-03-08
WO2020048507A1 (zh) 2020-03-12
US11431991B2 (en) 2022-08-30
CN117896531A (zh) 2024-04-16
CN110881126A (zh) 2020-03-13
CN118018746A (zh) 2024-05-10
US20210160514A1 (en) 2021-05-27
KR20230098717A (ko) 2023-07-04
CN117915101A (zh) 2024-04-19
EP3820152A1 (en) 2021-05-12

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