ES3033587T3 - Method and apparatus for video decoding - Google Patents

Method and apparatus for video decoding

Info

Publication number
ES3033587T3
ES3033587T3 ES19861977T ES19861977T ES3033587T3 ES 3033587 T3 ES3033587 T3 ES 3033587T3 ES 19861977 T ES19861977 T ES 19861977T ES 19861977 T ES19861977 T ES 19861977T ES 3033587 T3 ES3033587 T3 ES 3033587T3
Authority
ES
Spain
Prior art keywords
block
reconstructed
current
sub
samples
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
ES19861977T
Other languages
English (en)
Spanish (es)
Inventor
Xiaozhong Xu
Xiang Li
Shan Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tencent America LLC
Original Assignee
Tencent America LLC
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 Tencent America LLC filed Critical Tencent America LLC
Application granted granted Critical
Publication of ES3033587T3 publication Critical patent/ES3033587T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
    • H04N19/132—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
    • H04N19/169—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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/423—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 characterised by memory arrangements
    • 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
    • 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
    • H04N19/57—Motion estimation characterised by a search window with variable size or shape
    • 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)
ES19861977T 2018-09-21 2019-09-11 Method and apparatus for video decoding Active ES3033587T3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862735002P 2018-09-21 2018-09-21
US16/419,235 US10848782B2 (en) 2018-09-21 2019-05-22 Method and apparatus for video coding
PCT/US2019/050564 WO2020060820A1 (en) 2018-09-21 2019-09-11 Method and apparatus for video coding

Publications (1)

Publication Number Publication Date
ES3033587T3 true ES3033587T3 (en) 2025-08-05

Family

ID=69884807

Family Applications (1)

Application Number Title Priority Date Filing Date
ES19861977T Active ES3033587T3 (en) 2018-09-21 2019-09-11 Method and apparatus for video decoding

Country Status (7)

Country Link
US (5) US10848782B2 (https=)
EP (2) EP3785434B1 (https=)
JP (4) JP7152516B2 (https=)
KR (2) KR102652412B1 (https=)
CN (4) CN114710675B (https=)
ES (1) ES3033587T3 (https=)
WO (1) WO2020060820A1 (https=)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2961089C (en) 2014-09-30 2023-03-28 Microsoft Technology Licensing, Llc Hash-based encoder decisions for video coding
US10848782B2 (en) * 2018-09-21 2020-11-24 Tencent America LLC Method and apparatus for video coding
KR102572355B1 (ko) * 2018-11-30 2023-08-30 텐센트 아메리카 엘엘씨 비디오 코딩을 위한 방법 및 장치
CN111355951B (zh) * 2018-12-24 2023-11-10 华为技术有限公司 视频解码方法、装置及解码设备
US10701385B1 (en) * 2019-01-13 2020-06-30 Tencent America LLC Method and apparatus for reference sample memory reuse for intra picture block compensation
US10771799B2 (en) 2019-01-15 2020-09-08 Tencent America LLC Method and apparatus for video coding
CN120881292A (zh) 2019-02-02 2025-10-31 北京字节跳动网络技术有限公司 使用用于视频编解码中的帧内块复制的额外缓冲区样点的预测
JP7384912B2 (ja) 2019-02-02 2023-11-21 北京字節跳動網絡技術有限公司 映像符号化におけるイントラブロックコピーのためのバッファにおけるデータ記憶
CN113545068B (zh) * 2019-03-01 2023-09-15 北京字节跳动网络技术有限公司 用于视频编解码中的帧内块复制的基于顺序的更新
KR102688366B1 (ko) 2019-03-01 2024-07-24 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩에서 인트라 블록 복사를 위한 방향 기반 예측
KR20210125506A (ko) 2019-03-04 2021-10-18 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩에서 인트라 블록 복사를 위한 버퍼 관리
US11252442B2 (en) * 2019-04-08 2022-02-15 Tencent America LLC Method and apparatus for video coding
CN113950838B (zh) * 2019-06-06 2026-03-17 北京字节跳动网络技术有限公司 基于子块的帧内块复制
JP7460661B2 (ja) 2019-06-06 2024-04-02 北京字節跳動網絡技術有限公司 映像符号化のための動き候補リストの構成
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
KR102677020B1 (ko) 2019-07-06 2024-06-19 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩에서 인트라 블록 카피를 위한 가상 예측 버퍼
CN114175633B (zh) * 2019-07-10 2023-12-29 北京字节跳动网络技术有限公司 用于视频编解码中的帧内块复制的样点标识
CN114097221B (zh) 2019-07-11 2024-01-12 北京字节跳动网络技术有限公司 用于视频编解码中的帧内块复制的比特流一致性约束
US11202085B1 (en) * 2020-06-12 2021-12-14 Microsoft Technology Licensing, Llc Low-cost hash table construction and hash-based block matching for variable-size blocks
US20240015308A1 (en) * 2020-11-24 2024-01-11 Hyundai Motor Company Apparatus and method for video encoding and decoding
WO2022211411A1 (ko) * 2021-04-02 2022-10-06 현대자동차주식회사 적응적 공간해상도를 갖는 블록벡터를 이용하는 비디오 코딩방법 및 장치
CN116095311B (zh) * 2022-07-26 2025-01-24 杭州海康威视数字技术股份有限公司 一种编解码方法、装置及其设备
WO2024186783A1 (en) * 2023-03-03 2024-09-12 Beijing Dajia Internet Information Technology Co., Ltd Methods and devices for intra block copy and intra template matching

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7925120B2 (en) * 2005-11-14 2011-04-12 Mediatek Inc. Methods of image processing with reduced memory requirements for video encoder and decoder
US8254455B2 (en) * 2007-06-30 2012-08-28 Microsoft Corporation Computing collocated macroblock information for direct mode macroblocks
GB2495467B (en) * 2011-09-02 2017-12-13 Skype Video coding
US9838692B2 (en) 2011-10-18 2017-12-05 Qualcomm Incorporated Detecting availabilities of neighboring video units for video coding
US9503715B2 (en) 2013-08-30 2016-11-22 Qualcomm Incorporated Constrained intra prediction in video coding
AU2013228045A1 (en) * 2013-09-13 2015-04-02 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding video data
US10009629B2 (en) * 2013-10-11 2018-06-26 Sony Corporation Video coding system with search range and method of operation thereof
EP3058736B1 (en) 2013-10-14 2019-02-27 Microsoft Technology Licensing, LLC Encoder-side options for intra block copy prediction mode for video and image coding
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
AU2013270596A1 (en) 2013-12-13 2015-07-02 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding video data
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
CN106416243B (zh) * 2014-02-21 2019-05-03 联发科技（新加坡）私人有限公司 利用基于帧内图像区块复制预测的视频编码方法
WO2015138008A1 (en) 2014-03-10 2015-09-17 Euclid Discoveries, Llc Continuous block tracking for temporal prediction in video encoding
US10477232B2 (en) * 2014-03-21 2019-11-12 Qualcomm Incorporated Search region determination for intra block copy in video coding
US9877034B2 (en) * 2014-04-14 2018-01-23 Avago Technologies General Ip (Singapore) Pte. Ltd. Pipelined video decoder system
EP3130147B1 (en) 2014-05-06 2022-05-04 HFI Innovation Inc. Methods of block vector prediction and decoding for intra block copy mode coding
AU2014202682A1 (en) 2014-05-16 2015-12-03 Canon Kabushiki Kaisha Method, apparatus and system for copying a block of video samples
WO2015176678A1 (en) 2014-05-22 2015-11-26 Mediatek Inc. Method of intra block copy with flipping for image and video coding
US10327001B2 (en) 2014-06-19 2019-06-18 Qualcomm Incorporated Systems and methods for intra-block copy
EP3158753B1 (en) 2014-06-19 2021-12-08 VID SCALE, Inc. Intra block copy coding with block vector derivation
CN106464896B (zh) 2014-07-07 2020-03-13 寰发股份有限公司 利用帧内区块复制模式编码的视频编码方法
US10412387B2 (en) * 2014-08-22 2019-09-10 Qualcomm Incorporated Unified intra-block copy and inter-prediction
US10027981B2 (en) 2014-09-01 2018-07-17 Hfi Innovation Inc. Method of intra picture block copy for screen content and video coding
CA3171803A1 (en) 2014-09-30 2016-04-07 Microsoft Technology Licensing, Llc Rules for intra-picture prediction modes when wavefront parallel processing is enabled
KR102068828B1 (ko) 2014-09-30 2020-01-22 에이치에프아이 이노베이션 인크. 비디오 코딩을 위한 적응적 모션 벡터 레졸루션 방법
US9832467B2 (en) * 2014-10-07 2017-11-28 Qualcomm Incorporated Deblock filtering for intra block copying
KR102128216B1 (ko) 2014-11-20 2020-06-30 에이치에프아이 이노베이션 인크. 모션 벡터 및 블록 벡터 해상도 제어의 방법
US9591325B2 (en) 2015-01-27 2017-03-07 Microsoft Technology Licensing, Llc Special case handling for merged chroma blocks in intra block copy prediction mode
US9955185B2 (en) 2015-02-12 2018-04-24 Mediatek Inc. Method and apparatus of constrained intra block copy for coding video
CA2977526C (en) * 2015-02-27 2020-02-18 Arris Enterprises Llc Modification of unification of intra block copy and inter signaling related syntax and semantics
SG10201900582XA (en) 2015-03-02 2019-02-27 Hfi Innovation Inc Method and apparatus for intrabc mode with fractional-pel block vector resolution in video coding
CN107852499B (zh) 2015-04-13 2021-05-07 联发科技股份有限公司 用于视频数据的视频编解码方法
US10638140B2 (en) * 2015-05-29 2020-04-28 Qualcomm Incorporated Slice level intra block copy and other video coding improvements
US10397588B2 (en) * 2015-06-03 2019-08-27 Mediatek Inc. Method and apparatus for resource sharing between intra block copy mode and inter prediction mode in video coding systems
WO2016200984A1 (en) * 2015-06-08 2016-12-15 Vid Scale, Inc. Intra block copy mode for screen content coding
US10178403B2 (en) * 2015-06-23 2019-01-08 Qualcomm Incorporated Reference picture list construction in intra block copy mode
US20170099490A1 (en) * 2015-10-02 2017-04-06 Qualcomm Incorporated Constrained intra-prediction for block copy mode
US20170188033A1 (en) * 2015-12-23 2017-06-29 Mediatek Inc. Method and Apparatus of Bandwidth Estimation and Reduction for Video Coding
US10834419B2 (en) 2016-04-13 2020-11-10 Qualcomm Incorporated Conformance constraint for collocated reference index in video coding
WO2017190288A1 (en) 2016-05-04 2017-11-09 Microsoft Technology Licensing, Llc Intra-picture prediction using non-adjacent reference lines of sample values
EP3449630B1 (en) 2016-05-28 2024-07-10 Mediatek Inc. Method and apparatus of current picture referencing for video coding
US10582209B2 (en) 2017-03-30 2020-03-03 Mediatek Inc. Sub-prediction unit temporal motion vector prediction (sub-PU TMVP) for video coding
US11019331B2 (en) 2018-07-16 2021-05-25 Tencent America LLC Method and apparatus for video coding with prediction information
US10798376B2 (en) 2018-07-17 2020-10-06 Tencent America LLC Method and apparatus for video coding
US10848782B2 (en) * 2018-09-21 2020-11-24 Tencent America LLC Method and apparatus for video coding
KR102572355B1 (ko) * 2018-11-30 2023-08-30 텐센트 아메리카 엘엘씨 비디오 코딩을 위한 방법 및 장치
US10701385B1 (en) 2019-01-13 2020-06-30 Tencent America LLC Method and apparatus for reference sample memory reuse for intra picture block compensation
JP7384910B2 (ja) * 2019-02-02 2023-11-21 北京字節跳動網絡技術有限公司 映像符号化におけるイントラブロックコピーのためのバッファ管理
KR102621959B1 (ko) * 2019-03-04 2024-01-05 후아웨이 테크놀러지 컴퍼니 리미티드 임의의 ctu 크기에 대한 ibc 검색 범위 최적화를 사용하는 인코더, 디코더 및 대응하는 방법
KR20250038829A (ko) * 2019-06-20 2025-03-19 가부시키가이샤 제이브이씨 켄우드 화상 부호화 장치, 화상 부호화 방법, 컴퓨터 판독가능 기록 매체, 화상 복호 장치, 화상 복호 방법, 격납 방법 및 전송 방법

Also Published As

Publication number Publication date
WO2020060820A1 (en) 2020-03-26
US12010340B2 (en) 2024-06-11
JP2026004433A (ja) 2026-01-14
JP2024109948A (ja) 2024-08-14
EP3785434B1 (en) 2025-05-21
US10848782B2 (en) 2020-11-24
EP4554221A3 (en) 2025-07-30
US20250392749A1 (en) 2025-12-25
KR20220153123A (ko) 2022-11-17
US20230041646A1 (en) 2023-02-09
EP3785434A1 (en) 2021-03-03
CN112272949B (zh) 2022-03-15
CN114710676A (zh) 2022-07-05
EP3785434A4 (en) 2022-01-26
CN114710676B (zh) 2024-06-25
EP4554221A2 (en) 2025-05-14
KR20200139216A (ko) 2020-12-11
CN114710675A (zh) 2022-07-05
JP2021521730A (ja) 2021-08-26
CN114666604B (zh) 2024-06-18
JP7761189B2 (ja) 2025-10-28
CN114710675B (zh) 2024-06-14
EP3785434C0 (en) 2025-05-21
KR102465419B1 (ko) 2022-11-10
JP7498751B2 (ja) 2024-06-12
CN114666604A (zh) 2022-06-24
JP7152516B2 (ja) 2022-10-12
US20200099953A1 (en) 2020-03-26
JP2022177269A (ja) 2022-11-30
US12418678B2 (en) 2025-09-16
CN112272949A (zh) 2021-01-26
US11516504B2 (en) 2022-11-29
KR102652412B1 (ko) 2024-03-29
US20210044829A1 (en) 2021-02-11
US20240298026A1 (en) 2024-09-05

Similar Documents

Publication Publication Date Title
ES3033587T3 (en) Method and apparatus for video decoding
ES2969907T3 (es) Método y aparato para codificación de video
KR102608710B1 (ko) 아핀 선형 가중 인트라 예측 모드를 위한 단순화된 시그널링 방법
KR102878993B1 (ko) 비디오 코딩을 위한 방법 및 장치
ES3035918T3 (en) Method and apparatus for further improved context design for prediction mode and coded block flag (cbf)
US11748729B2 (en) Method and apparatus for video coding
KR102630792B1 (ko) 비디오 코딩에서 이웃 블록 가용성을 위한 방법 및 장치
KR102506619B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR20250173594A (ko) 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치
ES3040589T3 (en) Method and apparatus for video coding
KR102781109B1 (ko) 비디오 코딩을 위한 방법 및 장치
SG11202110791QA (en) Method and apparatus for signaling skip mode flag
KR20230051287A (ko) 기하학적 파티션 기반 인트라 예측