WO2015180014A1 - Procédé amélioré de construction d'une liste de candidats à la fusion pour copie intra-bloc - Google Patents

Procédé amélioré de construction d'une liste de candidats à la fusion pour copie intra-bloc Download PDF

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Publication number
WO2015180014A1
WO2015180014A1 PCT/CN2014/078410 CN2014078410W WO2015180014A1 WO 2015180014 A1 WO2015180014 A1 WO 2015180014A1 CN 2014078410 W CN2014078410 W CN 2014078410W WO 2015180014 A1 WO2015180014 A1 WO 2015180014A1
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WIPO (PCT)
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default
candidate list
added
list
bvs
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Ceased
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PCT/CN2014/078410
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English (en)
Inventor
Xianguo Zhang
Kai Zhang
Jicheng An
Han HUANG
Yu-Wen Huang
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MediaTek Singapore Pte Ltd
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MediaTek Singapore Pte Ltd
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Priority to PCT/CN2014/078410 priority Critical patent/WO2015180014A1/fr
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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
    • H04N19/50—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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding

Definitions

  • IBC merge mode As a coding efficiency improvement of Intra BC (IBC), an IBC merge mode was proposed.
  • the candidate list of the IBC merge mode as shown in Fig. 2 there are two BV candidates, including left and above BVs. If either of the left or above PU is not block copy PU, the corresponding BV candidate is set to the vector of (0, 0).
  • an adding process can be carried out to complement the candidate list. Take a maximum of 2 candidates in the list as example, if there is only
  • maximum number of merge IBC candidates and which default BVs are utilized can be signalized in CU, slice or sequence level.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

L'invention concerne un procédé de construction de liste de BV candidats pour un mode de fusion IBC. Des vecteurs BV par défaut différents de zéro sont suggérés pour être utilisés afin de garantir l'absence de BV égal à zéro et que des BV identiques n'apparaissent jamais dans la liste de BV candidats.
PCT/CN2014/078410 2014-05-26 2014-05-26 Procédé amélioré de construction d'une liste de candidats à la fusion pour copie intra-bloc Ceased WO2015180014A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/078410 WO2015180014A1 (fr) 2014-05-26 2014-05-26 Procédé amélioré de construction d'une liste de candidats à la fusion pour copie intra-bloc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/078410 WO2015180014A1 (fr) 2014-05-26 2014-05-26 Procédé amélioré de construction d'une liste de candidats à la fusion pour copie intra-bloc

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WO2015180014A1 true WO2015180014A1 (fr) 2015-12-03

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PCT/CN2014/078410 Ceased WO2015180014A1 (fr) 2014-05-26 2014-05-26 Procédé amélioré de construction d'une liste de candidats à la fusion pour copie intra-bloc

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WO2020135465A1 (fr) * 2018-12-28 2020-07-02 Beijing Bytedance Network Technology Co., Ltd. Prédiction de mouvement basée sur l'historique modifiée
WO2020177505A1 (fr) * 2019-03-04 2020-09-10 Huawei Technologies Co., Ltd. Codeur, décodeur et procédés correspondants utilisant une liste de fusion ibc
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WO2021141477A1 (fr) * 2020-01-12 2021-07-15 엘지전자 주식회사 Procédé et appareil de codage/décodage d'image, et procédé de transmission de flux binaire à l'aide d'un ensemble de paramètres de séquence comprenant des informations concernant le nombre maximal de candidats à la fusion
CN113396590A (zh) * 2019-02-06 2021-09-14 腾讯美国有限责任公司 视频编码中相邻块可用性的方法和装置
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CN113439443A (zh) * 2019-02-17 2021-09-24 北京字节跳动网络技术有限公司 帧内块复制Merge候选的信令通知
CN113545084A (zh) * 2019-03-08 2021-10-22 腾讯美国有限责任公司 用于帧内图片块补偿的统一块矢量预测
KR20210134039A (ko) * 2020-01-14 2021-11-08 텐센트 아메리카 엘엘씨 비디오 코딩을 위한 방법 및 장치
CN113632455A (zh) * 2019-01-17 2021-11-09 腾讯美国有限责任公司 视频编解码方法和装置
CN113994698A (zh) * 2019-06-04 2022-01-28 北京字节跳动网络技术有限公司 有条件地实施运动候选列表构建过程
CN114208189A (zh) * 2019-08-06 2022-03-18 北京字节跳动网络技术有限公司 使用屏幕内容编码工具进行视频编码和解码
EP3923577A4 (fr) * 2019-03-11 2022-03-30 Hangzhou Hikvision Digital Technology Co., Ltd. Procédé permettant de construire une liste de candidats d'informations de mouvement et procédé et appareil de décodage de prédiction triangulaire
EP3896971A4 (fr) * 2019-01-05 2022-04-27 LG Electronics Inc. Procédé et appareil de traitement de données de vidéo
RU2774105C2 (ru) * 2018-06-29 2022-06-16 Бейджин Байтдэнс Нетворк Текнолоджи Ко., Лтд. Частичное/полное сокращение при добавлении кандидата hmvp для слияния/amvp
US11463685B2 (en) 2018-07-02 2022-10-04 Beijing Bytedance Network Technology Co., Ltd. LUTS with intra prediction modes and intra mode prediction from non-adjacent blocks
US11509923B1 (en) 2019-03-06 2022-11-22 Beijing Bytedance Network Technology Co., Ltd. Usage of converted uni-prediction candidate
US11528501B2 (en) 2018-06-29 2022-12-13 Beijing Bytedance Network Technology Co., Ltd. Interaction between LUT and AMVP
US11589071B2 (en) 2019-01-10 2023-02-21 Beijing Bytedance Network Technology Co., Ltd. Invoke of LUT updating
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US11677941B2 (en) 2018-11-22 2023-06-13 Beijing Bytedance Network Technology Co., Ltd Construction method for inter prediction with geometry partition
US11695921B2 (en) 2018-06-29 2023-07-04 Beijing Bytedance Network Technology Co., Ltd Selection of coded motion information for LUT updating
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US11838539B2 (en) 2018-10-22 2023-12-05 Beijing Bytedance Network Technology Co., Ltd Utilization of refined motion vector
US11877002B2 (en) 2018-06-29 2024-01-16 Beijing Bytedance Network Technology Co., Ltd Update of look up table: FIFO, constrained FIFO
US11895318B2 (en) 2018-06-29 2024-02-06 Beijing Bytedance Network Technology Co., Ltd Concept of using one or multiple look up tables to store motion information of previously coded in order and use them to code following blocks
US11909951B2 (en) 2019-01-13 2024-02-20 Beijing Bytedance Network Technology Co., Ltd Interaction between lut and shared merge list
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Cited By (110)

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Publication number Priority date Publication date Assignee Title
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CN112789850B (zh) * 2018-10-10 2022-04-08 腾讯美国有限责任公司 一种视频编解码方法、装置、设备和介质
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CN113454996A (zh) * 2019-02-17 2021-09-28 北京字节跳动网络技术有限公司 帧内块复制模式的运动候选列表构建
CN113439443A (zh) * 2019-02-17 2021-09-24 北京字节跳动网络技术有限公司 帧内块复制Merge候选的信令通知
CN113660497B (zh) * 2019-03-04 2022-06-28 华为技术有限公司 编码器、解码器和使用ibc合并列表的对应方法
CN113660497A (zh) * 2019-03-04 2021-11-16 华为技术有限公司 编码器、解码器和使用ibc合并列表的对应方法
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