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

Systems and methods for intra-block copy Download PDF

Info

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
Authority
CA
Canada
Prior art keywords
prediction
picture
intra
video data
inter
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
CA2952457A
Other languages
English (en)
French (fr)
Other versions
CA2952457A1 (en
Inventor
Chao PANG
Krishnakanth RAPAKA
Xiang Li
Joel Sole Rojals
Cheng-Teh HSIEH
Marta Karczewicz
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA2952457A1 publication Critical patent/CA2952457A1/en
Application granted granted Critical
Publication of CA2952457C publication Critical patent/CA2952457C/en
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
    • H04N19/10—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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/134—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/169—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • 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
    • 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
    • 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)
  • 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 US10327001B2 (en) 2014-06-19 2015-06-18 Systems and methods for intra-block copy
US14/743,176 2015-06-18
PCT/US2015/036609 WO2015196029A1 (en) 2014-06-19 2015-06-19 Systems and methods for intra-block copy

Publications (2)

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

Family

ID=54870870

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2952457A Active CA2952457C (en) 2014-06-19 2015-06-19 Systems and methods for intra-block copy
CA2952279A Active CA2952279C (en) 2014-06-19 2015-06-19 Systems and methods for intra-block copy

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2952279A Active CA2952279C (en) 2014-06-19 2015-06-19 Systems and methods for intra-block copy

Country Status (10)

Country Link
US (2) US10327001B2 (enExample)
EP (2) EP3158737B1 (enExample)
JP (2) JP6527891B2 (enExample)
KR (2) KR102423948B1 (enExample)
CN (2) CN106416245B (enExample)
BR (1) BR112016029387B1 (enExample)
CA (2) CA2952457C (enExample)
ES (2) ES2807216T3 (enExample)
HU (2) HUE047937T2 (enExample)
WO (2) WO2015196030A1 (enExample)

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
US12301793B2 (en) 2019-07-10 2025-05-13 Beijing Bytedance Network Technology Co., Ltd. Sample identification for intra block copy in video coding
US12568201B2 (en) 2019-07-11 2026-03-03 Beijing Bytedance Network Technology Co., Ltd. Bitstream conformance constraints for intra block copy in video coding

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10327001B2 (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
CA2981916C (en) * 2015-04-13 2021-08-31 Mediatek, Inc. Methods of constrained intra block copy for reducing worst case bandwidth in video coding
US10356438B2 (en) * 2015-06-03 2019-07-16 Mediatek Inc. Method and apparatus of error handling for video coding using intra block 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
WO2019234606A1 (en) * 2018-06-05 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Interaction between ibc and atmvp
WO2019234578A1 (en) * 2018-06-05 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Asymmetric weighted bi-predictive merges
WO2019244055A1 (en) 2018-06-19 2019-12-26 Beijing Bytedance Network Technology Co., Ltd. Mode dependent mvd precision set
CN110636298B (zh) 2018-06-21 2022-09-13 北京字节跳动网络技术有限公司 对于Merge仿射模式和非Merge仿射模式的统一约束
CN110636297B (zh) 2018-06-21 2021-05-14 北京字节跳动网络技术有限公司 分量相关的子块分割
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
EP4325859A3 (en) 2018-09-19 2024-05-15 Beijing Bytedance Network Technology Co., Ltd. Syntax reuse for affine mode with adaptive motion vector resolution
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
TWI839388B (zh) 2018-09-24 2024-04-21 大陸商北京字節跳動網絡技術有限公司 簡化的基於歷史的運動矢量預測
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
CN111083489B (zh) 2018-10-22 2024-05-14 北京字节跳动网络技术有限公司 多次迭代运动矢量细化
CN111083484B (zh) 2018-10-22 2024-06-28 北京字节跳动网络技术有限公司 基于子块的预测
EP3788779A4 (en) * 2018-10-23 2022-03-02 Tencent America LLC METHOD AND DEVICE FOR VIDEO CODING
WO2020094052A1 (en) 2018-11-06 2020-05-14 Beijing Bytedance Network Technology Co., Ltd. Side information signaling for inter prediction with geometric partitioning
EP3847814A4 (en) 2018-11-06 2021-07-14 Beijing Bytedance Network Technology Co. Ltd. POSITION DEPENDENT STORAGE, MOVEMENT INFORMATION
CN112997480B (zh) 2018-11-10 2023-08-22 北京字节跳动网络技术有限公司 成对平均候选计算中的取整
CN111630865B (zh) 2018-11-12 2023-06-27 北京字节跳动网络技术有限公司 广义双向预测模式的线缓冲器减少
CN113170171B (zh) 2018-11-20 2024-04-12 北京字节跳动网络技术有限公司 组合帧间帧内预测模式的预测细化
KR20210091161A (ko) 2018-11-20 2021-07-21 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 부분적 위치에 기반한 차분 계산
CN113170184B (zh) * 2018-11-22 2024-12-06 北京字节跳动网络技术有限公司 默认运动候选的配置方法
CN113170181B (zh) 2018-11-29 2023-12-08 北京字节跳动网络技术有限公司 块内拷贝模式中的仿射继承方法
US11146805B2 (en) * 2018-11-30 2021-10-12 Tencent America LLC Method and apparatus for video coding
EP3888360A1 (en) 2018-11-30 2021-10-06 InterDigital VC Holdings, Inc. Triangle and multi-hypothesis combination for video coding and decoding
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
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
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
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
CN113366851B (zh) 2019-01-31 2025-10-21 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
KR20210121021A (ko) 2019-01-31 2021-10-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 어파인 모드 적응적 움직임 벡터 해상도 코딩 문맥
CN113396588B (zh) * 2019-02-01 2026-03-20 北京字节跳动网络技术有限公司 不同视频处理模式之间的协调
US10958904B2 (en) * 2019-02-01 2021-03-23 Tencent America LLC Method and apparatus for video coding
CN113366844B (zh) 2019-02-02 2023-10-03 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缓冲区中的数据存储
CN113439443B (zh) 2019-02-17 2025-09-26 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
JP7405861B2 (ja) 2019-03-01 2023-12-26 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方向に基づく予測
WO2020177661A1 (en) 2019-03-01 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Order-based updating for intra block copy in video coding
JP7284284B2 (ja) * 2019-03-04 2023-05-30 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実装形態の態様
EP3915251A4 (en) * 2019-03-06 2022-03-16 Beijing Bytedance Network Technology Co., Ltd. SIZE DEPENDENT INTERCODING
WO2020177756A1 (en) * 2019-03-06 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Size dependent inter coding
EP3769534A4 (en) * 2019-03-09 2021-12-15 Tencent America LLC METHOD AND DEVICE FOR VIDEO ENCODING
CN113924784B (zh) * 2019-03-12 2024-06-11 现代自动车株式会社 用于编码和解码影像的方法
US11997255B2 (en) 2019-03-14 2024-05-28 Sk Telecom Co., Ltd. Video encoding and decoding using intra block copy
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
CN117395397A (zh) 2019-06-04 2024-01-12 北京字节跳动网络技术有限公司 使用临近块信息的运动候选列表构建
CN120128706A (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
WO2020259411A1 (en) * 2019-06-24 2020-12-30 FG Innovation Company Limited Device and method for coding video data
PH12022550024A1 (en) 2019-07-06 2022-11-21 Beijing Bytedance Network Tech Co Ltd Virtual prediction buffer for intra block copy in video coding
CN113661703A (zh) 2019-07-11 2021-11-16 腾讯美国有限责任公司 视频编解码的方法和装置
EP3984215A4 (en) * 2019-07-14 2022-08-24 Beijing Bytedance Network Technology Co., Ltd. TRANSFORMATION BLOCK SIZE LIMITATION IN VIDEO ENCODING
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
PL3987776T3 (pl) * 2019-07-26 2025-04-07 Beijing Bytedance Network Technology Co., Ltd. Zależne od rozmiaru bloku zastosowanie trybu kodowania wideo
CN114208195B (zh) 2019-08-06 2025-06-27 北京字节跳动网络技术有限公司 基于颜色格式的尺寸限制
KR20240040129A (ko) 2019-09-02 2024-03-27 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 색상 포맷에 기초한 코딩 모드 결정
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
WO2021052494A1 (en) 2019-09-21 2021-03-25 Beijing Bytedance Network Technology Co., Ltd. Size restriction based for chroma intra mode
CN117596389A (zh) 2019-09-28 2024-02-23 北京字节跳动网络技术有限公司 视频编解码中的几何分割模式
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
WO2021180022A1 (en) 2020-03-07 2021-09-16 Beijing Bytedance Network Technology Co., Ltd. Handling of transform skip mode in video coding
JP7442673B2 (ja) 2020-04-10 2024-03-04 北京字節跳動網絡技術有限公司 ビデオコーディングにおけるスキップブロックの変換のための最小許容量子化
WO2021249363A1 (en) * 2020-06-08 2021-12-16 Beijing Bytedance Network Technology Co., Ltd. Constraints on intra block copy using non-adjacent neighboring blocks
CN116830583A (zh) 2020-10-20 2023-09-29 抖音视界有限公司 使用样点字符串矢量的视频编解码
CN116711311A (zh) 2020-10-21 2023-09-05 抖音视界有限公司 帧内编解码中的样点字符串处理
KR102823955B1 (ko) * 2020-11-03 2025-06-24 성균관대학교산학협력단 플렌옵틱 영상 처리 방법 및 장치
WO2022174783A1 (en) * 2021-02-20 2022-08-25 Beijing Bytedance Network Technology Co., Ltd. On boundary padding sample filtering in image/video coding
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
KR101377530B1 (ko) * 2009-08-21 2014-03-27 에스케이텔레콤 주식회사 적응적 움직임 벡터 해상도를 이용한 영상 부호화/복호화 방법 및 장치
WO2011056140A1 (en) 2009-11-05 2011-05-12 Telefonaktiebolaget Lm Ericsson (Publ) Prediction of pixels in image coding
TWI601411B (zh) * 2011-09-14 2017-10-01 三星電子股份有限公司 視訊解碼裝置
CN108632608B (zh) 2011-09-29 2022-07-29 夏普株式会社 图像解码装置、图像解码方法、图像编码装置及图像编码方法
WO2013108691A1 (ja) 2012-01-19 2013-07-25 ソニー株式会社 画像処理装置および方法
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
US10327001B2 (en) 2014-06-19 2019-06-18 Qualcomm Incorporated Systems and methods for intra-block copy

Cited By (4)

* 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
US12568201B2 (en) 2019-07-11 2026-03-03 Beijing Bytedance Network Technology Co., Ltd. Bitstream conformance constraints for intra block copy in video coding

Also Published As

Publication number Publication date
WO2015196030A1 (en) 2015-12-23
JP6704354B2 (ja) 2020-06-03
CA2952457A1 (en) 2015-12-23
KR20170019364A (ko) 2017-02-21
HUE050093T2 (hu) 2020-11-30
EP3158736A1 (en) 2017-04-26
BR112016029387B1 (pt) 2024-02-15
JP2017522789A (ja) 2017-08-10
US10327001B2 (en) 2019-06-18
EP3158736B1 (en) 2019-11-27
JP2017522790A (ja) 2017-08-10
BR112016029387A2 (pt) 2017-08-22
HUE047937T2 (hu) 2020-05-28
US10327002B2 (en) 2019-06-18
KR20170019365A (ko) 2017-02-21
ES2774664T3 (es) 2020-07-22
CA2952279C (en) 2023-01-03
WO2015196029A1 (en) 2015-12-23
ES2807216T3 (es) 2021-02-22
EP3158737B1 (en) 2020-04-22
CN106464874B (zh) 2019-08-02
JP6527891B2 (ja) 2019-06-05
CN106416245B (zh) 2019-08-02
KR102423948B1 (ko) 2022-07-22
CN106416245A (zh) 2017-02-15
BR112016029539A2 (pt) 2017-08-22
CA2952279A1 (en) 2015-12-23
US20150373357A1 (en) 2015-12-24
EP3158737A1 (en) 2017-04-26
KR102423950B1 (ko) 2022-07-21
US20150373358A1 (en) 2015-12-24
CN106464874A (zh) 2017-02-22

Similar Documents

Publication Publication Date Title
CA2952457C (en) Systems and methods for intra-block copy
US11323712B2 (en) Chroma quantization parameter (QP) offset
EP3329675B1 (en) Methods and systems of restricting bi-prediction in video coding
US11206413B2 (en) Palette predictor updates for local dual trees
US20170099490A1 (en) Constrained intra-prediction for block copy mode
CN113728634A (zh) 自适应环路滤波器（alf）参数的自适应参数集（aps）

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20200520

EEER Examination request

Effective date: 20200520

EEER Examination request

Effective date: 20200520

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 10TH ANNIV.) - STANDARD

Year of fee payment: 10

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20250509

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20250509