CN114450945A - 编码方法、解码方法、编码器、解码器以及存储介质 - Google Patents

编码方法、解码方法、编码器、解码器以及存储介质 Download PDF

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CN114450945A
CN114450945A CN202080068055.XA CN202080068055A CN114450945A CN 114450945 A CN114450945 A CN 114450945A CN 202080068055 A CN202080068055 A CN 202080068055A CN 114450945 A CN114450945 A CN 114450945A
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value
current block
mip
parameter
block
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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
    • H04N19/169—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
    • 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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    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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    • H04N19/103—Selection of coding mode or of prediction mode
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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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    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
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    • 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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    • 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
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
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    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
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    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Abstract

本申请实施例公开了一种编码方法、解码方法、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，所述预测参数包括预测模式参数；当预测模式参数指示对当前块的色度分量使用基于矩阵的帧内预测MIP模式确定帧内预测值时，获取当前块的相邻采样值，并根据当前块的相邻采样值确定当前块的MIP输入采样值；根据MIP输入采样值、MIP加权矩阵和移位参数，确定当前块的色度分量的MIP预测值；对所述MIP预测值进行滤波处理，确定当前块的色度分量的帧内预测值；根据当前块的色度分量的帧内预测值，确定当前块的色度分量的预测残差值；对所述预测残差值执行低频不可分离二次变换LFNST，确定LFNST参数；对所述LFNST参数进行编码，并写入码流。

Description

PCT国内申请，说明书已公开。

Claims (48)

  1. PCT国内申请，权利要求书已公开。
CN202080068055.XA 2020-01-08 2020-12-29 编码方法、解码方法、编码器、解码器以及存储介质 Pending CN114450945A (zh)

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Publication number Priority date Publication date Assignee Title
WO2024007120A1 (zh) * 2022-07-04 2024-01-11 Oppo广东移动通信有限公司 编解码方法、编码器、解码器以及存储介质

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
WO2021165018A1 (en) * 2020-02-21 2021-08-26 Interdigital Vc Holdings France Neural network-based intra prediction for video encoding or decoding
WO2023044919A1 (zh) * 2021-09-27 2023-03-30 Oppo广东移动通信有限公司 视频编解码方法、设备、系统、及存储介质
CN116600107B (zh) * 2023-07-20 2023-11-21 华侨大学 基于ipms-cnn和空域相邻cu编码模式的hevc-scc快速编码方法及装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
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CN102695061B (zh) 2011-03-20 2015-01-21 华为技术有限公司 一种权重因子的确定方法和装置,以及一种帧内加权预测方法和装置
US20130003856A1 (en) * 2011-07-01 2013-01-03 Samsung Electronics Co. Ltd. Mode-dependent transforms for residual coding with low latency
WO2017191782A1 (en) * 2016-05-04 2017-11-09 Sharp Kabushiki Kaisha Systems and methods for coding transform data
CN106254883B (zh) 2016-08-02 2021-01-22 海信视像科技股份有限公司 一种视频解码中的反变换方法和装置
US20200177889A1 (en) * 2017-03-21 2020-06-04 Lg Electronics Inc. Transform method in image coding system and apparatus for same
KR102618498B1 (ko) * 2018-03-08 2023-12-27 삼성전자주식회사 비디오 복호화 방법 및 장치, 비디오 부호화 방법 및 장치
CN112385215A (zh) * 2018-07-06 2021-02-19 韩国电子通信研究院 图像编码/解码方法和装置以及存储比特流的记录介质
US11509891B2 (en) * 2018-11-04 2022-11-22 Lg Electronics Inc. Intra prediction method and apparatus in image coding system
CN110519591B (zh) * 2019-08-29 2021-06-01 中南大学 一种基于多用途编码中帧内编码的预测模式快速选择方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024007120A1 (zh) * 2022-07-04 2024-01-11 Oppo广东移动通信有限公司 编解码方法、编码器、解码器以及存储介质

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US20240056582A1 (en) 2024-02-15
US20240056581A1 (en) 2024-02-15
US20220360785A1 (en) 2022-11-10
EP4090014A4 (en) 2024-01-03

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