CN112655215A - 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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CN112655215A
CN112655215A CN202080004757.1A CN202080004757A CN112655215A CN 112655215 A CN112655215 A CN 112655215A CN 202080004757 A CN202080004757 A CN 202080004757A CN 112655215 A CN112655215 A CN 112655215A
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current block
value
index value
mip
prediction
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霍俊彦
马彦卓
张伟
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202310370166.1A priority patent/CN116389724A/zh
Priority to CN202110469722.1A priority patent/CN113225562B/zh
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    • 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
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    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
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    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
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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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    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution

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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：确定当前块的预测参数，其中，所述预测参数包括预测模式参数和所述当前块的大小参数；当所述预测模式参数指示使用基于矩阵的帧内预测MIP模式确定当前块的帧内预测值时，确定所述当前块的MIP权重矩阵、所述当前块的移位因子和所述当前块的MIP输入采样矩阵；根据所述MIP权重矩阵、所述移位因子和所述MIP输入采样矩阵，确定所述当前块的帧内预测值。

Description

PCT国内申请，说明书已公开。

Claims (40)

  1. PCT国内申请，权利要求书已公开。
CN202080004757.1A 2019-07-10 2020-05-15 图像分量预测方法、编码器、解码器以及存储介质 Pending CN112655215A (zh)

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CN202310372089.3A CN116389725A (zh) 2019-07-10 2020-05-15 图像分量预测方法、编码器、解码器以及存储介质
CN202310370166.1A CN116389724A (zh) 2019-07-10 2020-05-15 图像分量预测方法、编码器、解码器以及存储介质
CN202110469722.1A CN113225562B (zh) 2019-07-10 2020-05-15 图像分量预测方法、编码器、解码器以及存储介质

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US201962872488P 2019-07-10 2019-07-10
US62/872,488 2019-07-10
US201962872830P 2019-07-11 2019-07-11
US201962873170P 2019-07-11 2019-07-11
US62/873,170 2019-07-11
US62/872,830 2019-07-11
PCT/CN2020/090688 WO2021004155A1 (zh) 2019-07-10 2020-05-15 图像分量预测方法、编码器、解码器以及存储介质

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US11930181B2 (en) 2024-03-12
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CA3113740A1 (en) 2021-01-14
JP2022539937A (ja) 2022-09-14
US20240163445A1 (en) 2024-05-16
EP3817390A1 (en) 2021-05-05
US11509901B2 (en) 2022-11-22
US20210203941A1 (en) 2021-07-01
CN116389725A (zh) 2023-07-04
PH12021550522A1 (en) 2022-02-21
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CN113225562B (zh) 2023-05-30
EP3817390A4 (en) 2021-09-29
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BR112021005760A2 (pt) 2021-06-29
US20230015739A1 (en) 2023-01-19
SG11202102925XA (en) 2021-04-29
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