KR102423691B1 - 멀티-라인 인트라 예측을 위한 방법 및 장치 - Google Patents

멀티-라인 인트라 예측을 위한 방법 및 장치 Download PDF

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KR102423691B1
KR102423691B1 KR1020207030970A KR20207030970A KR102423691B1 KR 102423691 B1 KR102423691 B1 KR 102423691B1 KR 1020207030970 A KR1020207030970 A KR 1020207030970A KR 20207030970 A KR20207030970 A KR 20207030970A KR 102423691 B1 KR102423691 B1 KR 102423691B1
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reference lines
reference line
coding unit
intra prediction
intra
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KR20200132993A (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
    • H04N19/10—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
    • H04N19/50—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
    • H04N19/70—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)
KR1020207030970A 2018-08-29 2019-07-24 멀티-라인 인트라 예측을 위한 방법 및 장치 Active KR102423691B1 (ko)

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KR1020227024880A KR102653789B1 (ko) 2018-08-29 2019-07-24 멀티-라인 인트라 예측을 위한 방법 및 장치

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US201862724575P 2018-08-29 2018-08-29
US62/724,575 2018-08-29
US16/199,891 US10491893B1 (en) 2018-08-29 2018-11-26 Method and apparatus for multi-line intra prediction
US16/199,891 2018-11-26
PCT/US2019/043141 WO2020046496A1 (en) 2018-08-29 2019-07-24 Method and apparatus for multi-line intra prediction

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KR102423691B1 true KR102423691B1 (ko) 2022-07-22

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KR1020227024880A Active KR102653789B1 (ko) 2018-08-29 2019-07-24 멀티-라인 인트라 예측을 위한 방법 및 장치

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US (7) US10491893B1 (https=)
EP (1) EP3844956A4 (https=)
JP (2) JP7104178B2 (https=)
KR (2) KR102423691B1 (https=)
CN (2) CN112997483B (https=)
WO (1) WO2020046496A1 (https=)

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US11128872B2 (en) * 2018-07-16 2021-09-21 Qualcomm Incorporated Position dependent intra prediction combination with wide angle intra prediction
US10491893B1 (en) * 2018-08-29 2019-11-26 Tencent America LLC Method and apparatus for multi-line intra prediction
WO2020111843A1 (ko) 2018-11-28 2020-06-04 주식회사 윌러스표준기술연구소 화면 내 예측 필터링을 이용한 비디오 신호 처리 방법 및 장치
US11032551B2 (en) * 2018-12-04 2021-06-08 Tencent America LLC Simplified most probable mode list generation scheme
EP4307673A3 (en) * 2018-12-21 2024-02-14 Huawei Technologies Co., Ltd. Method and apparatus of mode- and size-dependent block-level restrictions
CN113068025B (zh) * 2018-12-25 2023-05-12 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
ES2998460T3 (en) * 2018-12-29 2025-02-20 Huawei Tech Co Ltd Method and apparatus for intra prediction
US11425374B2 (en) * 2019-03-12 2022-08-23 FG Innovation Company Limited Device and method for coding video data
AU2020240981B2 (en) * 2019-03-21 2025-07-24 Huawei Technologies Co., Ltd. Method and apparatus for intra-prediction
US12149679B2 (en) * 2019-03-22 2024-11-19 Lg Electronics Inc. Intra prediction method and apparatus based on multi-reference line in image coding system
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
JP7829113B2 (ja) * 2019-12-26 2026-03-13 ノキア テクノロジーズ オサケユイチア Ｐｄｐｃを行う画像符号化／復号化方法、装置、及びビットストリームを伝送する方法
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
KR20240049364A (ko) * 2021-09-29 2024-04-16 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 디코더측 인트라 모드 도출을 위한 방법 및 디바이스
US20250063179A1 (en) * 2021-12-30 2025-02-20 Lg Electronics Inc. Cross-component linear model (cclm) intra prediction-based video encoding/decoding method, apparatus, and recording medium for storing bitstream

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US20220329790A1 (en) 2022-10-13
JP2021521721A (ja) 2021-08-26
US10491893B1 (en) 2019-11-26
US20260006189A1 (en) 2026-01-01
EP3844956A4 (en) 2022-07-20
CN116320409B (zh) 2024-09-10
US20260006188A1 (en) 2026-01-01
KR102653789B1 (ko) 2024-04-03
US12413716B2 (en) 2025-09-09
US11418778B2 (en) 2022-08-16
CN112997483A (zh) 2021-06-18
US20240146911A1 (en) 2024-05-02
CN112997483B (zh) 2023-03-10
US20200092548A1 (en) 2020-03-19
JP7104178B2 (ja) 2022-07-20
CN116320409A (zh) 2023-06-23
JP7574247B2 (ja) 2024-10-28
WO2020046496A1 (en) 2020-03-05
EP3844956A1 (en) 2021-07-07
US20210168361A1 (en) 2021-06-03
US10944964B2 (en) 2021-03-09
KR20220104844A (ko) 2022-07-26
JP2022133427A (ja) 2022-09-13
US11902514B2 (en) 2024-02-13
KR20200132993A (ko) 2020-11-25

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