CN113170101A - 帧内预测方法及装置、计算机可读存储介质 - Google Patents

帧内预测方法及装置、计算机可读存储介质 Download PDF

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CN113170101A
CN113170101A CN201980070375.6A CN201980070375A CN113170101A CN 113170101 A CN113170101 A CN 113170101A CN 201980070375 A CN201980070375 A CN 201980070375A CN 113170101 A CN113170101 A CN 113170101A
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reference pixel
processing block
pixel set
current processing
preset
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CN201980070375.6A
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Inventor
霍俊彦
王江林
马彦卓
万帅
杨付正
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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 CN202110576103.2A priority Critical patent/CN113489975A/zh
Publication of CN113170101A publication Critical patent/CN113170101A/zh
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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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/132—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
    • 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
    • H04N19/10—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
    • H04N19/182—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
    • 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
    • H04N19/59—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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  • Engineering & Computer Science (AREA)
  • 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帧内预测方法及装置、计算机可读存储介质，包括：获取与当前处理块对应的第一参考像素集合；其中，第一参考像素集合由当前处理块相邻的参考行或者参考列中的至少一种组成的；基于预设选取方式，从第一参考像素集合中选出第二参考像素集合；第二参考像素集合由当前处理块相邻的参考行或者参考列中的至少一个参考像素单元组成的；基于第二参考像素集合，得到当前处理块的预测值；基于预测值，对当前处理块进行帧内预测。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN201980070375.6A 2019-03-12 2019-03-12 帧内预测方法及装置、计算机可读存储介质 Pending CN113170101A (zh)

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PCT/CN2019/077872 WO2020181503A1 (zh) 2019-03-12 2019-03-12 帧内预测方法及装置、计算机可读存储介质

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US (3) US11350088B2 (zh)
EP (1) EP3876531A4 (zh)
JP (1) JP2022522826A (zh)
KR (1) KR20210131395A (zh)
CN (2) CN113170101A (zh)
AU (1) AU2019433376A1 (zh)
CA (1) CA3122891A1 (zh)
IL (1) IL283792A (zh)
SG (1) SG11202106215XA (zh)
WO (1) WO2020181503A1 (zh)

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CN100536573C (zh) 2004-01-16 2009-09-02 北京工业大学 基于方向的dc预测方法及用于视频编码的帧内预测方法
CN102196270B (zh) * 2010-03-12 2013-04-24 华为技术有限公司 帧内预测方法及装置、编解码方法及装置
CN103283237B (zh) * 2010-12-22 2017-03-22 Lg电子株式会社 帧内预测方法和使用该方法的设备
KR20120140181A (ko) 2011-06-20 2012-12-28 한국전자통신연구원 화면내 예측 블록 경계 필터링을 이용한 부호화/복호화 방법 및 그 장치
KR101348544B1 (ko) * 2011-08-17 2014-01-10 주식회사 케이티 단거리 화면 내 예측 모드에서 화면 내 예측 방법 및 이러한 방법을 사용하는 장치
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CN106688238B (zh) * 2013-10-17 2019-12-17 华为技术有限公司 改进后的深度图帧内编码的参考像素点选择和滤波
WO2016154963A1 (en) * 2015-04-01 2016-10-06 Mediatek Inc. Methods for chroma coding in video codec
WO2016204360A1 (ko) * 2015-06-16 2016-12-22 엘지전자 주식회사 영상 코딩 시스템에서 조도 보상에 기반한 블록 예측 방법 및 장치
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MX2021011036A (es) * 2019-09-24 2021-10-13 Guangdong Oppo Mobile Telecommunications Corp Ltd Procedimientos de determinacion del valor de prediccion, codificador, decodificador y medio de almacenamiento informatico.

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US20210321091A1 (en) 2021-10-14
US20220239903A1 (en) 2022-07-28
JP2022522826A (ja) 2022-04-20
CN113489975A (zh) 2021-10-08
IL283792A (en) 2021-07-29
EP3876531A1 (en) 2021-09-08
US11843724B2 (en) 2023-12-12
EP3876531A4 (en) 2021-11-24
AU2019433376A1 (en) 2021-06-24
US20240064292A1 (en) 2024-02-22
CA3122891A1 (en) 2020-09-17
KR20210131395A (ko) 2021-11-02
SG11202106215XA (en) 2021-07-29
WO2020181503A1 (zh) 2020-09-17
US11350088B2 (en) 2022-05-31

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