TWI705694B - 片級內部區塊複製及其他視訊寫碼改善 - Google Patents

片級內部區塊複製及其他視訊寫碼改善 Download PDF

Info

Publication number
TWI705694B
TWI705694B TW105116745A TW105116745A TWI705694B TW I705694 B TWI705694 B TW I705694B TW 105116745 A TW105116745 A TW 105116745A TW 105116745 A TW105116745 A TW 105116745A TW I705694 B TWI705694 B TW I705694B
Authority
TW
Taiwan
Prior art keywords
segment
ibc
video
syntax element
video data
Prior art date
Application number
TW105116745A
Other languages
English (en)
Chinese (zh)
Other versions
TW201711461A (zh
Inventor
法迪姆 塞瑞金
克里序納坎斯 拉帕卡
成鄭 謝
瑞珍 雷克斯曼 喬許
王益魁
龐超
馬塔 卡茲維克茲
Original Assignee
美商高通公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 美商高通公司 filed Critical 美商高通公司
Publication of TW201711461A publication Critical patent/TW201711461A/zh
Application granted granted Critical
Publication of TWI705694B publication Critical patent/TWI705694B/zh

Links

Images

Classifications

    • 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
    • H04N19/169—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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • 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
    • H04N19/134—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting motion vectors
    • 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
    • H04N19/50—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
TW105116745A 2015-05-29 2016-05-27 片級內部區塊複製及其他視訊寫碼改善 TWI705694B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201562168396P 2015-05-29 2015-05-29
US62/168,396 2015-05-29
US15/158,741 2016-05-19
US15/158,741 US10638140B2 (en) 2015-05-29 2016-05-19 Slice level intra block copy and other video coding improvements

Publications (2)

Publication Number Publication Date
TW201711461A TW201711461A (zh) 2017-03-16
TWI705694B true TWI705694B (zh) 2020-09-21

Family

ID=57397716

Family Applications (1)

Application Number Title Priority Date Filing Date
TW105116745A TWI705694B (zh) 2015-05-29 2016-05-27 片級內部區塊複製及其他視訊寫碼改善

Country Status (20)

Country Link
US (1) US10638140B2 (enExample)
EP (1) EP3304908B1 (enExample)
JP (1) JP6716611B2 (enExample)
KR (1) KR102310752B1 (enExample)
CN (1) CN107660341B (enExample)
AR (1) AR106864A1 (enExample)
AU (1) AU2016270043A1 (enExample)
BR (1) BR112017025634A2 (enExample)
CA (1) CA2983886A1 (enExample)
CL (1) CL2017002954A1 (enExample)
CO (1) CO2017011983A2 (enExample)
ES (1) ES2845673T3 (enExample)
MX (1) MX2017014657A (enExample)
PH (1) PH12017501987A1 (enExample)
RU (1) RU2017140987A (enExample)
SA (1) SA517390407B1 (enExample)
SG (1) SG11201708683WA (enExample)
TW (1) TWI705694B (enExample)
WO (1) WO2016196043A1 (enExample)
ZA (1) ZA201708069B (enExample)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102257269B1 (ko) 2013-10-14 2021-05-26 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 비디오 및 이미지 코딩 및 디코딩을 위한 인트라 블록 카피 예측 모드의 피쳐
CN105659602B (zh) 2013-10-14 2019-10-08 微软技术许可有限责任公司 用于视频和图像编码的帧内块复制预测模式的编码器侧选项
CN105556962B (zh) * 2013-10-14 2019-05-24 联发科技股份有限公司 发送用于视频系统的无损模式的信号的方法
EP3090553B1 (en) 2014-01-03 2022-07-06 Microsoft Technology Licensing, LLC Block vector prediction in video and image coding/decoding
US11284103B2 (en) 2014-01-17 2022-03-22 Microsoft Technology Licensing, Llc Intra block copy prediction with asymmetric partitions and encoder-side search patterns, search ranges and approaches to partitioning
US10785486B2 (en) 2014-06-19 2020-09-22 Microsoft Technology Licensing, Llc Unified intra block copy and inter prediction modes
CN105874795B (zh) 2014-09-30 2019-11-29 微软技术许可有限责任公司 在波前并行处理被启用时对图片内预测模式的规则
CN112087639B (zh) * 2015-05-28 2022-05-31 寰发股份有限公司 一种管理解码图像缓存器的方法及装置
CN115134611B (zh) * 2015-06-11 2025-01-14 杜比实验室特许公司 使用自适应去块滤波编码和解码图像的方法及其装置
US10542258B2 (en) * 2016-01-25 2020-01-21 Google Llc Tile copying for video compression
FR3062010A1 (fr) 2017-07-05 2018-07-20 Orange Procedes et dispositifs de codage et de decodage d'un flux de donnees representatif d'une sequence d'images
FR3068557A1 (fr) 2017-07-05 2019-01-04 Orange Procede de codage et decodage d'images,dispositif de codage et decodage et programmes d'ordinateur correspondants
FR3068558A1 (fr) 2017-07-05 2019-01-04 Orange Procede de codage et decodage d'images,dispositif de codage et decodage et programmes d'ordinateur correspondants
US10462483B1 (en) * 2018-04-26 2019-10-29 Tencent America LLC Method and apparatus for video coding
CN110662075B (zh) * 2018-06-29 2023-04-25 北京字节跳动网络技术有限公司 改进的时域运动矢量预测推导
GB2575436B (en) 2018-06-29 2022-03-09 Imagination Tech Ltd Guaranteed data compression
GB2575121B (en) * 2018-06-29 2022-12-28 Imagination Tech Ltd Guaranteed data compression
GB2575434B (en) 2018-06-29 2020-07-22 Imagination Tech Ltd Guaranteed data compression
GB2608878B (en) 2018-06-29 2023-04-12 Imagination Tech Ltd Guaranteed data compression
US10798376B2 (en) * 2018-07-17 2020-10-06 Tencent America LLC Method and apparatus for video coding
CN112567744A (zh) 2018-08-17 2021-03-26 华为技术有限公司 视频译码中的参考图像管理
CN110858986A (zh) * 2018-08-23 2020-03-03 中兴通讯股份有限公司 带宽调整方法、装置、通信设备及计算机可读存储介质
CN112703734B (zh) * 2018-09-14 2026-03-13 交互数字Vc控股公司 用于灵活网格区域的方法和装置
US10848782B2 (en) 2018-09-21 2020-11-24 Tencent America LLC Method and apparatus for video coding
AU2019354653B2 (en) * 2018-10-02 2023-04-27 Interdigital Vc Holdings, Inc. Generalized bi-prediction and weighted prediction
WO2020076034A1 (ko) * 2018-10-08 2020-04-16 에스케이텔레콤 주식회사 현재 픽처 참조 모드를 이용한 예측 방법 및 영상 복호화 장치
KR102863821B1 (ko) 2018-10-08 2025-09-25 에스케이텔레콤 주식회사 현재 픽처 참조 모드를 이용한 예측 방법 및 영상 복호화 장치
WO2020086317A1 (en) * 2018-10-23 2020-04-30 Tencent America Llc. Method and apparatus for video coding
WO2020108649A1 (en) 2018-11-29 2020-06-04 Beijing Bytedance Network Technology Co., Ltd. Interaction between intra block copy mode and inter prediction tools
KR102572140B1 (ko) * 2018-11-30 2023-08-30 샤프 가부시키가이샤 코딩된 비디오의 픽처들에 대한 타일 구조들을 시그널링하기 위한 시스템들 및 방법들
CN109819264B (zh) * 2018-12-28 2020-05-12 杭州海康威视数字技术股份有限公司 编码方法、解码方法及装置
US11310523B2 (en) * 2019-01-15 2022-04-19 Tencent America LLC Method and apparatus for block vector prediction with integer offsets in intra picture block compensation
WO2020156534A1 (en) * 2019-02-01 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Interactions between in-loop reshaping and intra block copy
US10958904B2 (en) * 2019-02-01 2021-03-23 Tencent America LLC Method and apparatus for video coding
US11240516B2 (en) 2019-03-20 2022-02-01 Tencent America LLC Coding mode signaling for small blocks
WO2020197264A1 (ko) * 2019-03-25 2020-10-01 엘지전자 주식회사 비디오 신호를 처리하기 위한 방법 및 장치
HUE065930T2 (hu) * 2019-04-17 2024-06-28 Huawei Tech Co Ltd Harmonizáló mátrix alapú intrapredikciós és szekunder transzformációs mag kiválasztás
US11109041B2 (en) * 2019-05-16 2021-08-31 Tencent America LLC Method and apparatus for video coding
WO2020244536A1 (en) * 2019-06-03 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Combined intra and intra-block copy prediction for video coding
US11134275B2 (en) 2019-06-04 2021-09-28 Tencent America LLC Method and apparatus for performing primary transform based on filtering of blocks
CN113940082B (zh) 2019-06-06 2026-05-26 北京字节跳动网络技术有限公司 基于子块的帧内块复制和不同编解码工具之间的交互
CN120711189A (zh) 2019-06-16 2025-09-26 北京字节跳动网络技术有限公司 屏幕内容编解码根据与运动信息之间的相互作用
CN114009037B (zh) 2019-06-22 2025-01-10 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
US12096032B2 (en) 2019-06-24 2024-09-17 Interdigital Vc Holdings, Inc. Method and apparatus for signaling decoding data using high level syntax elements
US11553197B2 (en) * 2019-08-05 2023-01-10 Tencent America LLC Method and apparatus for intra picture block compensation
CN119743597B (zh) 2019-09-09 2026-04-28 北京字节跳动网络技术有限公司 视频编解码块的递归划分
CN120128700B (zh) * 2019-09-12 2026-05-26 阿里巴巴创新公司 计算机实现的编解码方法、解码装置及计算机可读存储介质
CN114503574B (zh) 2019-09-19 2025-01-10 北京字节跳动网络技术有限公司 视频编解码中的缩放窗口
KR102737934B1 (ko) 2019-09-19 2024-12-04 두인 비전 컴퍼니 리미티드 비디오 코딩에서 레퍼런스 샘플 위치 유도
MX2022003836A (es) 2019-10-05 2022-05-12 Beijing Bytedance Network Tech Co Ltd Se?alizacion basada en los niveles de las herramientas de codificacion de video.
CN117499640A (zh) 2019-10-12 2024-02-02 北京字节跳动网络技术有限公司 视频编解码中的预测类型信令
EP4029274A4 (en) 2019-10-13 2022-11-30 Beijing Bytedance Network Technology Co., Ltd. INTERPLAY BETWEEN REFERENCE IMAGE CAPTURE AND VIDEO ENCODING TOOLS
PL4044598T3 (pl) 2019-11-05 2025-04-22 Lg Electronics Inc. Sposób i urządzenie do przetwarzania informacji o obrazie w celu kodowania obrazu/wideo
KR102920494B1 (ko) 2019-11-05 2026-02-02 엘지전자 주식회사 슬라이스 타입 기반 영상/비디오 코딩 방법 및 장치
CN115088262B (zh) * 2019-12-12 2024-06-04 Lg电子株式会社 用于发信号通知图像信息的方法和装置
RS67804B1 (sr) * 2019-12-12 2026-03-31 Lg Electronics Inc Postupak i uređaj za signalizaciju informacija o video zapisu koje se mogu primeniti na nivou slike ili nivou isečka
MX2022007503A (es) 2019-12-27 2022-07-04 Beijing Bytedance Network Tech Co Ltd Se?alizacion de tipos de corte en encabezados de imagenes de video.
US11930208B2 (en) 2020-01-10 2024-03-12 Tencent America LLC Method and apparatus for signaling skip mode flag
US11638036B2 (en) * 2020-04-03 2023-04-25 Qualcomm Incorporated High-level constraints for transform skip blocks in video coding
CN115190316B (zh) * 2021-04-06 2024-07-19 同济大学 封存和激活越界等值串常现位置的数据编解码方法及装置
US12355962B2 (en) * 2021-10-04 2025-07-08 Tencent America LLC Method and apparatus for intra block copy prediction with sample padding
CN115996214A (zh) * 2021-10-20 2023-04-21 腾讯科技(深圳)有限公司 多媒体数据处理方法、装置、设备及存储介质
WO2026005570A1 (ko) * 2024-06-28 2026-01-02 현대자동차주식회사 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130114742A1 (en) * 2011-11-08 2013-05-09 Nokia Corporation Reference picture handling

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2617541T3 (es) 2003-08-29 2017-06-19 Quanta Services Aparato y método para trabajar sobre conductores
EP1962513A1 (en) * 2007-02-26 2008-08-27 Vestel Elektronik Sanayi ve Ticaret A.S. Methods and apparatus for processing of a digital image
US9066102B2 (en) * 2010-11-17 2015-06-23 Qualcomm Incorporated Reference picture list construction for generalized P/B frames in video coding
HRP20231180T1 (hr) 2011-06-30 2024-01-05 Microsoft Technology Licensing, Llc Smanjenje latencije u kodiranju i dekodiranju videozapisa
US9503715B2 (en) 2013-08-30 2016-11-22 Qualcomm Incorporated Constrained intra prediction in video coding
KR20150026927A (ko) * 2013-09-03 2015-03-11 주식회사 케이티 스케일러블 비디오 신호 인코딩/디코딩 방법 및 장치
US10785486B2 (en) * 2014-06-19 2020-09-22 Microsoft Technology Licensing, Llc Unified intra block copy and inter prediction modes
CN110460845B (zh) * 2014-11-06 2021-08-27 联发科技股份有限公司 调色板编码的方法
CN104539949B (zh) 2014-12-12 2018-02-06 北方工业大学 Hevc屏幕编码中基于边缘方向的快速分块的方法及装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130114742A1 (en) * 2011-11-08 2013-05-09 Nokia Corporation Reference picture handling

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Non-SCCE1: Unification of intra BC and inter modes" Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 18th Meeting: Sapporo, JP, 30 June – 9 July 2014 *
G. J. Sullivan, J. Ohm, W. Han and T. Wiegand, "Overview of the High Efficiency Video Coding (HEVC) Standard," in IEEE Transactions on Circuits and Systems for Video Technology, vol. 22, no. 12, pp. 1649-1668, Dec. 2012 *

Also Published As

Publication number Publication date
RU2017140987A (ru) 2019-07-02
KR102310752B1 (ko) 2021-10-07
US10638140B2 (en) 2020-04-28
CN107660341B (zh) 2020-08-18
EP3304908A1 (en) 2018-04-11
AU2016270043A1 (en) 2017-11-16
CA2983886A1 (en) 2016-12-08
JP2018520581A (ja) 2018-07-26
CO2017011983A2 (es) 2017-11-30
JP6716611B2 (ja) 2020-07-01
ZA201708069B (en) 2020-01-29
AR106864A1 (es) 2018-02-28
TW201711461A (zh) 2017-03-16
SG11201708683WA (en) 2017-12-28
WO2016196043A1 (en) 2016-12-08
PH12017501987A1 (en) 2018-03-26
BR112017025634A2 (pt) 2018-08-07
ES2845673T3 (es) 2021-07-27
SA517390407B1 (ar) 2020-09-21
US20160353117A1 (en) 2016-12-01
MX2017014657A (es) 2018-01-24
CN107660341A (zh) 2018-02-02
KR20180013918A (ko) 2018-02-07
CL2017002954A1 (es) 2018-05-18
EP3304908B1 (en) 2020-10-28

Similar Documents

Publication Publication Date Title
JP7821258B2 (ja) ビデオコーディングにおける改善されたイントラ予測
US11431968B2 (en) Variable number of intra modes for video coding
CN107660341B (zh) 用于解码视频数据的方法、装置和设备及存储媒体
JP6141386B2 (ja) 深度範囲パラメータのシグナリング
CN109691102B (zh) 跨分量滤波器
TWI719053B (zh) 內區塊複製合併模式及不可用內區塊複製參考區域之填充
US10477232B2 (en) Search region determination for intra block copy in video coding
TWI705698B (zh) 適應性跨組件殘差預測
JP6983654B2 (ja) 並列処理のためのイントラブロックコピー予測制限
TWI701942B (zh) 用於視訊寫碼中可適性顏色轉換之量化參數推導及偏移
JP6396439B2 (ja) 残差差分パルスコード変調(dpcm)拡張ならびに変換スキップ、回転、および走査との調和
TWI663869B (zh) 區塊可適性顏色空間轉換寫碼
TW201803348A (zh) 用於在視頻寫碼中之並列參考指標的一致性約束
TW201926991A (zh) 色度量化參數偏移
JP2019509669A (ja) スクリーンコンテンツコーディングおよびマルチレイヤコーディングのための重み付け予測
JP2018521539A (ja) ビデオデータの特定のピクチャ内のインターコーディングのための探索範囲決定
JP2019519141A (ja) フィルタ処理情報のシグナリング
TW201740730A (zh) 用於視訊寫碼之濾波器之幾何轉換
JP2017523685A (ja) イントラブロックコピーイングのためのブロックベクトルコーディング
JP2015524216A (ja) 映像コーディングにおけるロスレスコーディングモード及びパルスコード変調(pcm)モードのシグナリングの統一
JP2019534631A (ja) ピークサンプル適応オフセット
TW201921938A (zh) 具有在用於視訊寫碼之隨機存取組態中之未來參考訊框之可調適圖像群組結構
HK1244135B (en) Method, device and apparatus for decoding video data and storage medium
HK1244135A1 (en) Method, device and apparatus for decoding video data and storage medium