CN113273194A - 图像分量预测方法、编码器、解码器以及存储介质 - Google Patents

图像分量预测方法、编码器、解码器以及存储介质 Download PDF

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CN113273194A
CN113273194A CN201980088761.8A CN201980088761A CN113273194A CN 113273194 A CN113273194 A CN 113273194A CN 201980088761 A CN201980088761 A CN 201980088761A CN 113273194 A CN113273194 A CN 113273194A
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current block
pixel
determining
candidate
prediction
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霍俊彦
万帅
马彦卓
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
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    • H04N19/103—Selection of coding mode or of prediction mode
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    • H—ELECTRICITY
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    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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    • H04N19/182—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
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    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
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Abstract

本申请实施例公开了一种图像分量预测方法、编码器、解码器以及存储介质，该方法包括：确定图像中当前块的相邻参考像素；根据所述相邻参考像素，构造相邻参考像素子集；其中，所述相邻参考像素子集中包含有所述相邻参考像素中的部分像素；根据所述相邻参考像素子集，计算预测模型的模型参数；其中，所述预测模型包括N个预测子模型，N个预测子模型对应N组模型参数，所述预测子模型用于通过对应的模型参数对待预测图像分量进行跨分量预测处理，N为大于或等于2的正整数。

Description

PCT国内申请，说明书已公开。

Claims (39)

  1. PCT国内申请，权利要求书已公开。
CN201980088761.8A 2019-03-18 2019-10-28 图像分量预测方法、编码器、解码器以及存储介质 Pending CN113273194A (zh)

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CN116708794A (zh) 2023-09-05
US11778172B2 (en) 2023-10-03
WO2020186763A1 (zh) 2020-09-24
CN113676732B (zh) 2023-06-20
US20230388491A1 (en) 2023-11-30
KR20210119514A (ko) 2021-10-05
JP2022522487A (ja) 2022-04-19
CN113676732A (zh) 2021-11-19
EP4340360A2 (en) 2024-03-20
JP7383720B2 (ja) 2023-11-20
US20220248000A1 (en) 2022-08-04
US20210368167A1 (en) 2021-11-25
EP3910951A4 (en) 2022-03-16
US11368680B2 (en) 2022-06-21
EP3910951A1 (en) 2021-11-17

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