CA2952457C - Systems and methods for intra-block copy - Google Patents

Systems and methods for intra-block copy Download PDF

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Publication number
CA2952457C
CA2952457C CA2952457A CA2952457A CA2952457C CA 2952457 C CA2952457 C CA 2952457C CA 2952457 A CA2952457 A CA 2952457A CA 2952457 A CA2952457 A CA 2952457A CA 2952457 C CA2952457 C CA 2952457C
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prediction
picture
intra
video data
inter
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CA2952457A1 (en
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Chao PANG
Krishnakanth RAPAKA
Xiang Li
Joel Sole Rojals
Cheng-Teh HSIEH
Marta Karczewicz
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Qualcomm Inc
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Qualcomm Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/109Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/172Methods 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 picture, frame or field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/174Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/184Methods 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 bits, e.g. of the compressed video stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Graft Or Block Polymers (AREA)
CA2952457A 2014-06-19 2015-06-19 Systems and methods for intra-block copy Active CA2952457C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201462014641P 2014-06-19 2014-06-19
US62/014,641 2014-06-19
US201562154399P 2015-04-29 2015-04-29
US62/154,399 2015-04-29
US14/743,176 2015-06-18
US14/743,176 US10327001B2 (en) 2014-06-19 2015-06-18 Systems and methods for intra-block copy
PCT/US2015/036609 WO2015196029A1 (en) 2014-06-19 2015-06-19 Systems and methods for intra-block copy

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CA2952457A1 CA2952457A1 (en) 2015-12-23
CA2952457C true CA2952457C (en) 2022-12-13

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EP (2) EP3158737B1 (cg-RX-API-DMAC7.html)
JP (2) JP6704354B2 (cg-RX-API-DMAC7.html)
KR (2) KR102423948B1 (cg-RX-API-DMAC7.html)
CN (2) CN106416245B (cg-RX-API-DMAC7.html)
BR (1) BR112016029387B1 (cg-RX-API-DMAC7.html)
CA (2) CA2952457C (cg-RX-API-DMAC7.html)
ES (2) ES2807216T3 (cg-RX-API-DMAC7.html)
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12238314B2 (en) 2019-02-02 2025-02-25 Beijing Bytedance Network Technology Co., Ltd. Prediction using extra-buffer samples for intra block copy in video coding
US12301793B2 (en) 2019-07-10 2025-05-13 Beijing Bytedance Network Technology Co., Ltd. Sample identification for intra block copy in video coding

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10327002B2 (en) 2014-06-19 2019-06-18 Qualcomm Incorporated Systems and methods for intra-block copy
CN105392008B (zh) * 2014-08-22 2018-09-25 中兴通讯股份有限公司 一种预测编、解码方法和相应的编、解码器和电子设备
CN105430417B (zh) * 2014-09-22 2020-02-07 中兴通讯股份有限公司 编码方法、解码方法、装置及电子设备
KR102272971B1 (ko) * 2015-04-13 2021-07-05 미디어텍 인크. 비디오 코딩에서 최악의 경우의 대역폭을 줄이기 위한 제약된 인트라 블록 카피 방법
EP3304906A4 (en) * 2015-06-03 2019-04-17 MediaTek Inc. METHOD AND APPARATUS FOR ERROR TREATMENT FOR VIDEO CODING BY INTRABLOCK COPY MODE
CN106254878B (zh) * 2015-06-14 2020-06-12 同济大学 一种图像编码及解码方法、图像处理设备
US10516891B2 (en) * 2015-11-20 2019-12-24 Intel Corporation Method and system of reference frame caching for video coding
US9959097B2 (en) 2016-03-09 2018-05-01 Bank Of America Corporation SVN interface system for heterogeneous development environments
US10694202B2 (en) * 2016-12-01 2020-06-23 Qualcomm Incorporated Indication of bilateral filter usage in video coding
US10674159B2 (en) 2017-07-28 2020-06-02 Microsoft Technology Licensing, Llc Effective intra encoding for screen data
US10609384B2 (en) * 2017-09-21 2020-03-31 Futurewei Technologies, Inc. Restriction on sub-block size derivation for affine inter prediction
US11070847B2 (en) * 2017-12-05 2021-07-20 Qualcomm Incorporated Intra-prediction with far neighboring pixels
US10638137B2 (en) * 2018-03-07 2020-04-28 Tencent America LLC Method and apparatus for video coding
WO2019234578A1 (en) * 2018-06-05 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Asymmetric weighted bi-predictive merges
WO2019234607A1 (en) * 2018-06-05 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Interaction between ibc and affine
CN110620928B (zh) 2018-06-19 2022-12-09 北京字节跳动网络技术有限公司 不同精度的多个候选
WO2019244118A1 (en) 2018-06-21 2019-12-26 Beijing Bytedance Network Technology Co., Ltd. Component-dependent sub-block dividing
TWI739120B (zh) 2018-06-21 2021-09-11 大陸商北京字節跳動網絡技術有限公司 合併仿射模式與非合併仿射模式的統一拘束
US10798376B2 (en) * 2018-07-17 2020-10-06 Tencent America LLC Method and apparatus for video coding
US10375416B1 (en) * 2018-09-05 2019-08-06 Tencent America LLC Segment types in video coding
CN116546213A (zh) 2018-09-19 2023-08-04 北京字节跳动网络技术有限公司 具有自适应运动矢量分辨率的仿射模式的语法重用
US11172236B2 (en) 2018-09-21 2021-11-09 Tencent America LLC Method and apparatus for video decoding that defines a search range for a reference block indicated by a block vector
US10848782B2 (en) 2018-09-21 2020-11-24 Tencent America LLC Method and apparatus for video coding
WO2020065517A1 (en) 2018-09-24 2020-04-02 Beijing Bytedance Network Technology Co., Ltd. Simplified history based motion vector prediction
US11317099B2 (en) * 2018-10-05 2022-04-26 Tencent America LLC Method and apparatus for signaling an offset in video coding for intra block copy and/or inter prediction
KR102863821B1 (ko) 2018-10-08 2025-09-25 에스케이텔레콤 주식회사 현재 픽처 참조 모드를 이용한 예측 방법 및 영상 복호화 장치
US11509919B2 (en) * 2018-10-17 2022-11-22 Tencent America Reference sample memory size restrictions for intra block copy
CN111083492B (zh) 2018-10-22 2024-01-12 北京字节跳动网络技术有限公司 双向光流中的梯度计算
WO2020084476A1 (en) 2018-10-22 2020-04-30 Beijing Bytedance Network Technology Co., Ltd. Sub-block based prediction
CN112889269B (zh) * 2018-10-23 2023-10-27 腾讯美国有限责任公司 视频解码方法及装置
WO2020094052A1 (en) 2018-11-06 2020-05-14 Beijing Bytedance Network Technology Co., Ltd. Side information signaling for inter prediction with geometric partitioning
WO2020094076A1 (en) 2018-11-06 2020-05-14 Beijing Bytedance Network Technology Co., Ltd. Motion candidates for inter prediction
CN112970262B (zh) 2018-11-10 2024-02-20 北京字节跳动网络技术有限公司 三角预测模式中的取整
WO2020098644A1 (en) 2018-11-12 2020-05-22 Beijing Bytedance Network Technology Co., Ltd. Bandwidth control methods for inter prediction
JP7241870B2 (ja) 2018-11-20 2023-03-17 北京字節跳動網絡技術有限公司 部分的な位置に基づく差分計算
CN113170093B (zh) 2018-11-20 2023-05-02 北京字节跳动网络技术有限公司 视频处理中的细化帧间预测
WO2020103935A1 (en) * 2018-11-22 2020-05-28 Beijing Bytedance Network Technology Co., Ltd. Blending method for inter prediction with geometry partition
WO2020108650A1 (en) 2018-11-29 2020-06-04 Beijing Bytedance Network Technology Co., Ltd. Flag indication method in intra block copy mode
CN119135890A (zh) * 2018-11-30 2024-12-13 交互数字Vc控股公司 用于视频编码或解码的方法或装置
WO2020113156A1 (en) * 2018-11-30 2020-06-04 Tencent America LLC Method and apparatus for video coding
CN111010572A (zh) * 2018-12-04 2020-04-14 北京达佳互联信息技术有限公司 一种视频编码方法和装置及设备
US11758132B2 (en) * 2018-12-28 2023-09-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder and decoder, encoding method and decoding method with complexity handling for flexibly sized picture partitions
CN113261290B (zh) 2018-12-28 2024-03-12 北京字节跳动网络技术有限公司 基于修改历史的运动预测
CN111385570B (zh) * 2018-12-28 2021-11-02 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
WO2020140862A1 (en) 2018-12-30 2020-07-09 Beijing Bytedance Network Technology Co., Ltd. Conditional application of inter prediction with geometric partitioning in video processing
WO2020143832A1 (en) * 2019-01-12 2020-07-16 Beijing Bytedance Network Technology Co., Ltd. Bi-prediction constraints
US10771799B2 (en) * 2019-01-15 2020-09-08 Tencent America LLC Method and apparatus for video coding
US11202089B2 (en) * 2019-01-28 2021-12-14 Tencent America LLC Method and apparatus for determining an inherited affine parameter from an affine model
KR20210121021A (ko) 2019-01-31 2021-10-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 어파인 모드 적응적 움직임 벡터 해상도 코딩 문맥
CN120980252A (zh) 2019-01-31 2025-11-18 北京字节跳动网络技术有限公司 对称运动矢量差编解码模式的快速算法
JP7259053B2 (ja) * 2019-02-01 2023-04-17 北京字節跳動網絡技術有限公司 複合イントラ‐インター予測の拡張適用
US10958904B2 (en) 2019-02-01 2021-03-23 Tencent America LLC Method and apparatus for video coding
KR20240117647A (ko) 2019-02-02 2024-08-01 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩에서 인트라 블록 복사를 위한 버퍼 관리
WO2020164630A1 (en) 2019-02-17 2020-08-20 Beijing Bytedance Network Technology Co., Ltd. Signaling of intra block copy merge candidates
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
EP3915265A4 (en) 2019-03-01 2022-06-22 Beijing Bytedance Network Technology Co., Ltd. DIRECTION-BASED PREDICTION FOR INTRA BLOCK COPY IN VIDEO CODING
CN117640927A (zh) 2019-03-04 2024-03-01 北京字节跳动网络技术有限公司 视频编解码中的帧内块复制中的实施方式方面
JP2022521554A (ja) * 2019-03-06 2022-04-08 北京字節跳動網絡技術有限公司 変換された片予測候補の利用
KR102747568B1 (ko) * 2019-03-06 2024-12-27 두인 비전 컴퍼니 리미티드 크기에 따른 인터 코딩
EP3769534A4 (en) * 2019-03-09 2021-12-15 Tencent America LLC METHOD AND DEVICE FOR VIDEO ENCODING
CN118433418A (zh) * 2019-03-12 2024-08-02 现代自动车株式会社 用于编码和解码影像的方法
CN118018719A (zh) 2019-03-14 2024-05-10 Sk电信有限公司 视频编码和解码方法以及传输比特流的方法
KR102659481B1 (ko) 2019-03-17 2024-04-23 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 광학 흐름에 기초한 예측 정제의 계산
US11240516B2 (en) * 2019-03-20 2022-02-01 Tencent America LLC Coding mode signaling for small blocks
WO2020232355A1 (en) * 2019-05-16 2020-11-19 Bytedance Inc. Intra block copy for screen content coding
JP7346599B2 (ja) 2019-06-04 2023-09-19 北京字節跳動網絡技術有限公司 ビデオ・データ処理方法、装置、記憶媒体及び記憶方法
CN114026871B (zh) * 2019-06-24 2025-01-03 鸿颖创新有限公司 用于对视频数据编码的装置和方法
CN120128707A (zh) 2019-06-24 2025-06-10 Lg电子株式会社 图像解码和编码方法及发送比特流的方法
CA3146016C (en) 2019-07-06 2024-05-07 Beijing Bytedance Network Technology Co., Ltd. Virtual prediction buffer for intra block copy in video coding
US11356675B2 (en) 2019-07-11 2022-06-07 Tencent America LLC Method and apparatus for video coding
EP3981146A4 (en) 2019-07-11 2022-08-03 Beijing Bytedance Network Technology Co., Ltd. BITSTREAM COMPLIANCE CONSTRAINTS FOR INTRA-BLOCK COPY IN VIDEO ENCODING
WO2021008513A1 (en) * 2019-07-14 2021-01-21 Beijing Bytedance Network Technology Co., Ltd. Transform block size restriction in video coding
US11616962B2 (en) * 2019-07-15 2023-03-28 Tencent America LLC Method and apparatus for video coding
KR102828568B1 (ko) 2019-07-19 2025-07-02 티씨엘 킹 일렉트리컬 어플라이언시스 (후이저우) 컴퍼니 리미티드 Ibc를 이용한 영상 부호화/복호화 방법 및 장치
AU2020321002B2 (en) * 2019-07-26 2023-06-01 Beijing Bytedance Network Technology Co., Ltd. Determination of picture partition mode based on block size
EP3994886A4 (en) * 2019-08-06 2022-12-28 Beijing Bytedance Network Technology Co., Ltd. VIDEO SPACE PARTITION BASED ON A COLOR FORMAT
JP7381722B2 (ja) 2019-09-02 2023-11-15 北京字節跳動網絡技術有限公司 カラーフォーマットに基づいたコーディングモード決定
CN114424560B (zh) * 2019-09-20 2025-09-16 北京字节跳动网络技术有限公司 用于屏幕内容的自适应分辨率变化和可缩放编解码
BR112022005109A2 (pt) 2019-09-21 2023-03-14 Beijing Bytedance Network Tech Co Ltd Método de processamento de vídeo, aparelho para processamento de dados de vídeo, e, meios de armazenamento e de gravação legíveis por computador não transitórios
WO2021057996A1 (en) 2019-09-28 2021-04-01 Beijing Bytedance Network Technology Co., Ltd. Geometric partitioning mode in video coding
US11330305B2 (en) * 2020-02-24 2022-05-10 Qualcomm Incorporated Signaling constraints and sequence parameter set sharing in video coding
US11943429B2 (en) * 2020-03-04 2024-03-26 Qualcomm Incorporated Subpicture signaling in video coding
CN115362676B (zh) 2020-03-07 2025-10-28 抖音视界有限公司 视频编解码中变换跳过模式的处理
CN115362681B (zh) 2020-04-10 2025-02-25 抖音视界有限公司 视频编解码中的变换跳过块的最小允许量化
CN115812306A (zh) * 2020-06-08 2023-03-17 抖音视界有限公司 使用非紧邻临近块的帧内块复制的约束
WO2022083631A1 (en) 2020-10-20 2022-04-28 Beijing Bytedance Network Technology Co., Ltd. Video coding using sample string vector
WO2022083682A1 (en) 2020-10-21 2022-04-28 Beijing Bytedance Network Technology Co., Ltd. Sample string processing in intra coding
KR102823955B1 (ko) * 2020-11-03 2025-06-24 성균관대학교산학협력단 플렌옵틱 영상 처리 방법 및 장치
CN117063470A (zh) * 2021-02-20 2023-11-14 抖音视界有限公司 图像/视频编解码中的边界上的填充样点滤波
US12052438B2 (en) * 2021-09-17 2024-07-30 Tencent America LLC Method and apparatus for intra block copy (IntraBC) mode coding with search range restrictions

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101356613B1 (ko) * 2009-08-21 2014-02-06 에스케이텔레콤 주식회사 적응적 움직임 벡터 해상도를 이용한 영상 부호화/복호화 방법 및 장치
US8897585B2 (en) 2009-11-05 2014-11-25 Telefonaktiebolaget L M Ericsson (Publ) Prediction of pixels in image coding
WO2013039357A2 (ko) * 2011-09-14 2013-03-21 삼성전자 주식회사 비디오 부호화, 복호화 방법 및 장치
MX337446B (es) 2011-09-29 2016-03-07 Sharp Kk Dispositivo de decodificacion de imagenes, metodo de decodificacion de imagenes y dispositivo de codificacion de imagenes.
US9894355B2 (en) 2012-01-19 2018-02-13 Sony Corporation Image processing apparatus and method thereof
US9426463B2 (en) * 2012-02-08 2016-08-23 Qualcomm Incorporated Restriction of prediction units in B slices to uni-directional inter prediction
US9906786B2 (en) 2012-09-07 2018-02-27 Qualcomm Incorporated Weighted prediction mode for scalable video coding
CN103747258B (zh) 2014-01-27 2015-02-04 中国科学技术大学 一种高性能视频编码标准的加密处理方法
EP3114841B1 (en) * 2014-03-04 2020-06-10 Microsoft Technology Licensing, LLC Encoder-side decisions for block flipping and skip mode in intra block copy prediction
US10327002B2 (en) 2014-06-19 2019-06-18 Qualcomm Incorporated Systems and methods for intra-block copy

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12238314B2 (en) 2019-02-02 2025-02-25 Beijing Bytedance Network Technology Co., Ltd. Prediction using extra-buffer samples for intra block copy in video coding
US12389022B2 (en) 2019-02-02 2025-08-12 Beijing Bytedance Network Technology Co., Ltd. Buffer resetting for intra block copy in video coding
US12301793B2 (en) 2019-07-10 2025-05-13 Beijing Bytedance Network Technology Co., Ltd. Sample identification for intra block copy in video coding

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