KR102653789B1 - 멀티-라인 인트라 예측을 위한 방법 및 장치 - Google Patents

멀티-라인 인트라 예측을 위한 방법 및 장치 Download PDF

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KR102653789B1
KR102653789B1 KR1020227024880A KR20227024880A KR102653789B1 KR 102653789 B1 KR102653789 B1 KR 102653789B1 KR 1020227024880 A KR1020227024880 A KR 1020227024880A KR 20227024880 A KR20227024880 A KR 20227024880A KR 102653789 B1 KR102653789 B1 KR 102653789B1
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reference line
intra
intra prediction
reference lines
coding unit
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KR20220104844A (ko
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량 자오
신 자오
샹 리
산 류
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텐센트 아메리카 엘엘씨
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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
    • H04N19/103—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
    • H04N19/169—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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020227024880A 2018-08-29 2019-07-24 멀티-라인 인트라 예측을 위한 방법 및 장치 Active KR102653789B1 (ko)

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US201862724575P 2018-08-29 2018-08-29
US62/724,575 2018-08-29
US16/199,891 2018-11-26
US16/199,891 US10491893B1 (en) 2018-08-29 2018-11-26 Method and apparatus for multi-line intra prediction
PCT/US2019/043141 WO2020046496A1 (en) 2018-08-29 2019-07-24 Method and apparatus for multi-line intra prediction
KR1020207030970A KR102423691B1 (ko) 2018-08-29 2019-07-24 멀티-라인 인트라 예측을 위한 방법 및 장치

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KR1020207030970A Active KR102423691B1 (ko) 2018-08-29 2019-07-24 멀티-라인 인트라 예측을 위한 방법 및 장치

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EP (1) EP3844956A4 (https=)
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CN116456083B (zh) * 2018-12-25 2026-04-07 Oppo广东移动通信有限公司 解码预测方法、装置及计算机存储介质
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US11425374B2 (en) * 2019-03-12 2022-08-23 FG Innovation Company Limited Device and method for coding video data
CN114125468A (zh) * 2019-03-21 2022-03-01 华为技术有限公司 帧内预测方法和装置
WO2020197031A1 (ko) * 2019-03-22 2020-10-01 엘지전자 주식회사 영상 코딩 시스템에서 다중 참조 라인 기반의 인트라 예측 방법 및 장치
EP3949424A4 (en) * 2019-04-25 2022-12-21 HFI Innovation Inc. Method and apparatus of encoding or decoding with mode dependent intra smoothing filter in intra prediction
US11134275B2 (en) 2019-06-04 2021-09-28 Tencent America LLC Method and apparatus for performing primary transform based on filtering of blocks
MX2022007832A (es) * 2019-12-26 2022-08-04 Lg Electronics Inc Metodo y aparato de codificacion/decodificacion de video para realizar pdpc y metodo para transmitir flujo de bits.
US11432018B2 (en) 2020-05-11 2022-08-30 Tencent America LLC Semi-decoupled partitioning for video coding
US11259055B2 (en) 2020-07-10 2022-02-22 Tencent America LLC Extended maximum coding unit size
US11206428B1 (en) 2020-07-14 2021-12-21 Tencent America LLC Method and apparatus for frequency-dependent joint component secondary transform
US11432006B2 (en) 2020-08-14 2022-08-30 Tencent America LLC Chroma mode video coding
CN113313511A (zh) * 2021-04-30 2021-08-27 北京奇艺世纪科技有限公司 一种视频流量预测方法、装置、电子设备及介质
CN117813816A (zh) * 2021-08-19 2024-04-02 北京达佳互联信息技术有限公司 用于解码器侧帧内模式推导的方法和设备
JP7837402B2 (ja) * 2021-09-29 2026-03-30 ベイジン、ターチア、インターネット、インフォメーション、テクノロジー、カンパニー、リミテッド 復号器側イントラ・モード導出のための方法およびデバイス
JP2024545913A (ja) * 2021-12-30 2024-12-13 エルジー エレクトロニクス インコーポレイティド Ｃｃｌｍイントラ予測に基づく画像符号化／復号化方法、装置、及びビットストリームを保存する記録媒体

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CN112997483B (zh) 2023-03-10
US20200092548A1 (en) 2020-03-19
EP3844956A4 (en) 2022-07-20
EP3844956A1 (en) 2021-07-07
KR102423691B1 (ko) 2022-07-22
US10491893B1 (en) 2019-11-26
US20260006189A1 (en) 2026-01-01
JP2022133427A (ja) 2022-09-13
US20260006188A1 (en) 2026-01-01
JP7574247B2 (ja) 2024-10-28
KR20200132993A (ko) 2020-11-25
JP7104178B2 (ja) 2022-07-20
CN112997483A (zh) 2021-06-18
JP2021521721A (ja) 2021-08-26
KR20220104844A (ko) 2022-07-26
US11418778B2 (en) 2022-08-16
US11902514B2 (en) 2024-02-13
US10944964B2 (en) 2021-03-09
CN116320409A (zh) 2023-06-23
CN116320409B (zh) 2024-09-10
US20220329790A1 (en) 2022-10-13
WO2020046496A1 (en) 2020-03-05
US20210168361A1 (en) 2021-06-03
US20240146911A1 (en) 2024-05-02
US12413716B2 (en) 2025-09-09

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