CN114424533A - 预测值的确定方法、解码器以及计算机存储介质 - Google Patents

预测值的确定方法、解码器以及计算机存储介质 Download PDF

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CN114424533A
CN114424533A CN201980100394.9A CN201980100394A CN114424533A CN 114424533 A CN114424533 A CN 114424533A CN 201980100394 A CN201980100394 A CN 201980100394A CN 114424533 A CN114424533 A CN 114424533A
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王军
梁凡
张恒
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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    • 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
    • H04N19/102—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
    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/102—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/102—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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • 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
    • H04N19/17—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
    • 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
    • H04N19/50—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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

本申请实施例提供了一种预测值的确定方法、解码器以及计算机存储介质，该方法应用于一解码器中，该方法包括：解析码流，获得当前块的解码参数，其中，解码参数包含解码当前块过程中使用的参数；当解码参数指示当前块使用旋转模板模式时，获取当前块的第一模板，其中，第一模板中包含当前块的相邻重建像素；确定当前块的参考区域；在参考区域中，根据参考模板处理参数，确定第一模板的匹配模板，其中，参考模板处理参数是解码参数中包含的、用于构造匹配模板的参数；根据匹配模板，确定当前块的匹配块；根据匹配块，确定当前块的预测值。

Description

PCT国内申请，说明书已公开。

Claims (44)

  1. PCT国内申请，权利要求书已公开。
CN201980100394.9A 2019-09-27 2019-09-27 预测值的确定方法、解码器以及计算机存储介质 Pending CN114424533A (zh)

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US (1) US20220217335A1 (zh)
EP (1) EP4037314A4 (zh)
JP (1) JP7471399B2 (zh)
KR (1) KR20220065059A (zh)
CN (1) CN114424533A (zh)
WO (1) WO2021056433A1 (zh)

Cited By (1)

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CN116702571A (zh) * 2023-08-07 2023-09-05 中国空气动力研究与发展中心计算空气动力研究所 基于多重光滑度量因子的数值模拟方法及装置

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EP4346200A1 (en) * 2022-09-27 2024-04-03 Beijing Xiaomi Mobile Software Co., Ltd. Encoding/decoding video picture data
EP4346201A1 (en) * 2022-09-27 2024-04-03 Beijing Xiaomi Mobile Software Co., Ltd. Encoding/decoding video picture data

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KR102319384B1 (ko) * 2014-03-31 2021-10-29 인텔렉추얼디스커버리 주식회사 템플릿 매칭 기반의 화면 내 픽쳐 부호화 및 복호화 방법 및 장치
CN105338351B (zh) * 2014-05-28 2019-11-12 华为技术有限公司 基于模板匹配的帧内预测编、解码、阵列扫描方法及装置
CN104363449B (zh) * 2014-10-31 2017-10-10 华为技术有限公司 图像预测方法及相关装置
EP3417617A4 (en) * 2016-02-17 2019-02-27 Telefonaktiebolaget LM Ericsson (publ) METHOD AND DEVICES FOR CODING AND DECODING VIDEO IMAGES
WO2017201141A1 (en) * 2016-05-17 2017-11-23 Arris Enterprises Llc Template matching for jvet intra prediction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116702571A (zh) * 2023-08-07 2023-09-05 中国空气动力研究与发展中心计算空气动力研究所 基于多重光滑度量因子的数值模拟方法及装置
CN116702571B (zh) * 2023-08-07 2023-10-20 中国空气动力研究与发展中心计算空气动力研究所 基于多重光滑度量因子的数值模拟方法及装置

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WO2021056433A1 (zh) 2021-04-01
JP7471399B2 (ja) 2024-04-19
JP2022553624A (ja) 2022-12-26
EP4037314A4 (en) 2022-11-09
KR20220065059A (ko) 2022-05-19
US20220217335A1 (en) 2022-07-07

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