CN109565588A - 色度预测的方法及装置 - Google Patents

色度预测的方法及装置 Download PDF

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CN109565588A
CN109565588A CN201680088356.2A CN201680088356A CN109565588A CN 109565588 A CN109565588 A CN 109565588A CN 201680088356 A CN201680088356 A CN 201680088356A CN 109565588 A CN109565588 A CN 109565588A
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prediction mode
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luma
prediction
chroma
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CN109565588B (zh
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韩钰
安基程
郑建铧
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Huawei Technologies Co Ltd
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Abstract

本发明实施例公开了一种色度预测的方法，待处理色度单元对应一个亮度处理单元，所述亮度处理单元和所述待处理色度单元分别为同一图像区域的亮度分量和色度分量的处理单元，所述亮度处理单元对应一个或多个亮度重构单元，该方法包括：从预设候选亮度预测模式中确定所述亮度处理单元的一个或多个目标亮度预测模式，任一所述目标亮度预测模式对应的所述亮度处理单元的亮度预测值和所述亮度处理单元的亮度重构值的差异小于或等于所有未被确定为所述目标亮度预测模式的候选亮度预测模式对应的所述亮度处理单元的亮度预测值和所述亮度处理单元的亮度重构值的差异；获得所述待处理色度单元的色度预测值，所述待处理色度单元的候选色度预测模式集合包括所述目标亮度预测模式。

Description

PCT国内申请，说明书已公开。

Claims (58)

  1. PCT国内申请，权利要求书已公开。
CN201680088356.2A 2016-12-28 2016-12-28 色度预测的方法及装置 Active CN109565588B (zh)

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CN110198442B (zh) * 2018-12-27 2023-02-28 腾讯科技（深圳）有限公司 一种用于视频编码的帧内预测方法、装置和存储介质
CN110213594A (zh) * 2018-12-29 2019-09-06 腾讯科技（深圳）有限公司 用于帧内编码的方法、装置、帧编码器、帧编码系统以及计算机可读存储媒体
WO2020141599A1 (ja) * 2019-01-02 2020-07-09 シャープ株式会社 予測画像生成装置、動画像復号装置、動画像符号化装置、および予測画像生成方法
CN113243105B (zh) * 2019-06-25 2023-10-20 Oppo广东移动通信有限公司 亮度分量预测方法、编码器、解码器以及存储介质
WO2021168817A1 (zh) * 2020-02-28 2021-09-02 深圳市大疆创新科技有限公司 视频处理的方法及装置

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CN109565588B (zh) 2020-09-08
WO2018119740A1 (zh) 2018-07-05
US20190313092A1 (en) 2019-10-10
EP3547683A4 (en) 2019-12-04

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