CA2952457C - Systems and methods for intra-block copy - Google Patents
Systems and methods for intra-block copy Download PDFInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 198
- 230000004044 response Effects 0.000 claims abstract description 33
- 239000013598 vector Substances 0.000 claims description 131
- 241000023320 Luma <angiosperm> Species 0.000 claims description 31
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 claims description 31
- 230000003044 adaptive effect Effects 0.000 claims description 23
- 230000008569 process Effects 0.000 description 100
- 238000012545 processing Methods 0.000 description 38
- 238000003860 storage Methods 0.000 description 32
- 238000013139 quantization Methods 0.000 description 24
- 230000005540 biological transmission Effects 0.000 description 19
- 238000004891 communication Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 17
- 239000000523 sample Substances 0.000 description 17
- 238000005192 partition Methods 0.000 description 13
- 238000000638 solvent extraction Methods 0.000 description 12
- 238000013500 data storage Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 10
- 230000011664 signaling Effects 0.000 description 10
- 238000009795 derivation Methods 0.000 description 9
- 208000037170 Delayed Emergence from Anesthesia Diseases 0.000 description 8
- 238000004590 computer program Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 6
- 230000002123 temporal effect Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 235000017274 Diospyros sandwicensis Nutrition 0.000 description 1
- 241000282838 Lama Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001364 causal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009850 completed effect Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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)
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 |
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 (en:Method) |
| EP (2) | EP3158736B1 (en:Method) |
| JP (2) | JP6704354B2 (en:Method) |
| KR (2) | KR102423950B1 (en:Method) |
| CN (2) | CN106464874B (en:Method) |
| BR (1) | BR112016029387B1 (en:Method) |
| CA (2) | CA2952457C (en:Method) |
| ES (2) | ES2807216T3 (en:Method) |
| HU (2) | HUE050093T2 (en:Method) |
| WO (2) | WO2015196029A1 (en:Method) |
Cited By (2)
| 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)
| 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 |
| WO2016192677A1 (en) * | 2015-06-03 | 2016-12-08 | 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 |
| WO2019234600A1 (en) * | 2018-06-05 | 2019-12-12 | Beijing Bytedance Network Technology Co., Ltd. | Interaction between pairwise average merging candidates and intra-block copy (ibc) |
| WO2019234578A1 (en) * | 2018-06-05 | 2019-12-12 | Beijing Bytedance Network Technology Co., Ltd. | Asymmetric weighted bi-predictive merges |
| TWI723430B (zh) | 2018-06-19 | 2021-04-01 | 大陸商北京字節跳動網絡技術有限公司 | 不同精度的多個候選 |
| WO2019244117A1 (en) | 2018-06-21 | 2019-12-26 | Beijing Bytedance Network Technology Co., Ltd. | Unified constrains for the merge affine mode and the non-merge affine mode |
| WO2019244119A1 (en) | 2018-06-21 | 2019-12-26 | Beijing Bytedance Network Technology Co., Ltd. | Sub-block mv inheritance between color components |
| 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 |
| JP7212150B2 (ja) | 2018-09-19 | 2023-01-24 | 北京字節跳動網絡技術有限公司 | 適応動きベクトル解像度によるアフィンモードへの構文の使用 |
| US10848782B2 (en) | 2018-09-21 | 2020-11-24 | Tencent America LLC | Method and apparatus for video coding |
| 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 |
| 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 |
| CN111083491B (zh) | 2018-10-22 | 2024-09-20 | 北京字节跳动网络技术有限公司 | 细化运动矢量的利用 |
| 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 |
| WO2020094077A1 (en) | 2018-11-06 | 2020-05-14 | Beijing Bytedance Network Technology Co., Ltd. | Weights derivation for geometric partitioning |
| KR102711051B1 (ko) | 2018-11-06 | 2024-09-27 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 기하학적 파티션을 이용한 인터 예측을 위한 사이드 정보 시그널링 |
| WO2020094150A1 (en) | 2018-11-10 | 2020-05-14 | Beijing Bytedance Network Technology Co., Ltd. | Rounding in current picture referencing |
| WO2020098644A1 (en) | 2018-11-12 | 2020-05-22 | Beijing Bytedance Network Technology Co., Ltd. | Bandwidth control methods for inter prediction |
| EP3861742A4 (en) | 2018-11-20 | 2022-04-13 | Beijing Bytedance Network Technology Co., Ltd. | DIFFERENCE CALCULATION BASED ON SPATIAL POSITION |
| 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 |
| 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 |
| CN113196772B (zh) * | 2018-11-29 | 2024-08-02 | 北京字节跳动网络技术有限公司 | 块内拷贝模式和基于子块的运动矢量预测模式之间的交互 |
| KR20210093918A (ko) * | 2018-11-30 | 2021-07-28 | 인터디지털 브이씨 홀딩스 인코포레이티드 | 비디오 코딩 및 디코딩을 위한 삼각형 및 다중-가설 조합 |
| KR102824108B1 (ko) * | 2018-11-30 | 2025-06-24 | 텐센트 아메리카 엘엘씨 | 비디오 코딩을 위한 방법 및 장치 |
| 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 |
| CN109743576B (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 |
| 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 |
| WO2020135465A1 (en) | 2018-12-28 | 2020-07-02 | Beijing Bytedance Network Technology Co., Ltd. | Modified history based motion prediction |
| CN113170166B (zh) * | 2018-12-30 | 2023-06-09 | 北京字节跳动网络技术有限公司 | 具有几何分割的帧间预测在视频处理中有条件的应用 |
| 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 |
| CN118118659A (zh) * | 2019-01-31 | 2024-05-31 | 北京字节跳动网络技术有限公司 | 记录仿射模式自适应运动矢量分辨率的上下文 |
| WO2020156537A1 (en) * | 2019-02-01 | 2020-08-06 | Beijing Bytedance Network Technology Co., Ltd. | Extended application of combined intra-inter prediction |
| US10958904B2 (en) | 2019-02-01 | 2021-03-23 | Tencent America LLC | Method and apparatus for video coding |
| JP7384911B2 (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初期化 |
| CN113454996B (zh) * | 2019-02-17 | 2025-02-18 | 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 |
| CN117395439A (zh) | 2019-03-01 | 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基于方向的预测 |
| WO2020177661A1 (en) | 2019-03-01 | 2020-09-10 | Beijing Bytedance Network Technology Co., Ltd. | Order-based updating for intra block copy in video coding |
| KR20240132530A (ko) * | 2019-03-04 | 2024-09-03 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 비디오 코딩에서 인트라 블록 복사의 구현 형태 |
| JP7192145B2 (ja) * | 2019-03-06 | 2022-12-19 | 北京字節跳動網絡技術有限公司 | サイズに依存したインターコーディング |
| KR102635518B1 (ko) | 2019-03-06 | 2024-02-07 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 변환된 단예측 후보의 사용 |
| KR102603451B1 (ko) * | 2019-03-09 | 2023-11-20 | 텐센트 아메리카 엘엘씨 | 비디오 코딩을 위한 방법 및 장치 |
| US11706429B2 (en) * | 2019-03-12 | 2023-07-18 | Hyundai Motor Company | Method and device for encoding and decoding image involving gradual refresh technique |
| US11997255B2 (en) | 2019-03-14 | 2024-05-28 | Sk Telecom Co., Ltd. | Video encoding and decoding using intra block copy |
| CN113597766B (zh) | 2019-03-17 | 2023-11-10 | 北京字节跳动网络技术有限公司 | 基于光流的预测细化的计算 |
| US11240516B2 (en) | 2019-03-20 | 2022-02-01 | Tencent America LLC | Coding mode signaling for small blocks |
| CN113826390B (zh) * | 2019-05-16 | 2024-03-08 | 字节跳动有限公司 | 屏幕内容编解码的帧内块复制 |
| WO2020244571A1 (en) | 2019-06-04 | 2020-12-10 | Beijing Bytedance Network Technology Co., Ltd. | Motion candidate list construction using neighboring block information |
| JP7345573B2 (ja) * | 2019-06-24 | 2023-09-15 | 鴻穎創新有限公司 | 動画像データをコーディングする装置及び方法 |
| 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 |
| BR112022000187A2 (pt) | 2019-07-06 | 2022-02-22 | Beijing Bytedance Network Tech Co Ltd | Método de processamento de dados de vídeo, aparelho para processar dados de vídeo, meio de armazenamento não transitório legível por computador, meio de gravação não transitório legível por computador |
| WO2021007328A1 (en) * | 2019-07-11 | 2021-01-14 | Tencent America LLC | Method and apparatus for video coding |
| KR102695788B1 (ko) | 2019-07-11 | 2024-08-14 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 비디오 코딩에서 인트라 블록 복사를 위한 비트스트림 적합 제약 |
| KR102736117B1 (ko) * | 2019-07-14 | 2024-12-02 | 두인 비전 컴퍼니 리미티드 | 비디오 코딩에서 변환 블록 크기 제한 |
| 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 |
| JP7369273B2 (ja) * | 2019-07-26 | 2023-10-25 | 北京字節跳動網絡技術有限公司 | ブロックサイズに基づくピクチャ分割モードの決定 |
| 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 |
| MX2022002188A (es) | 2019-09-02 | 2022-03-11 | Beijing Bytedance Network Tech Co Ltd | Determinacion de modo de codificacion basada en formato de color. |
| WO2021052495A1 (en) * | 2019-09-20 | 2021-03-25 | Beijing Bytedance Network Technology Co., Ltd. | Adaptive resolution change and scalable coding for screen contents |
| KR102649584B1 (ko) | 2019-09-21 | 2024-03-21 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 크로마 인트라 모드에 기초한 크기 제한 |
| 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 |
| WO2021180020A1 (en) | 2020-03-07 | 2021-09-16 | Beijing Bytedance Network Technology Co., Ltd. | Implicit multiple transform set signaling in video coding |
| 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)
| 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 |
| WO2011056140A1 (en) | 2009-11-05 | 2011-05-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Prediction of pixels in image coding |
| CN107968945B (zh) * | 2011-09-14 | 2021-09-14 | 三星电子株式会社 | 对视频进行解码的方法和对视频进行编码的方法 |
| WO2013047811A1 (ja) | 2011-09-29 | 2013-04-04 | シャープ株式会社 | 画像復号装置、画像復号方法および画像符号化装置 |
| EP2806641A4 (en) | 2012-01-19 | 2016-01-13 | Sony Corp | IMAGE PROCESSING APPARATUS AND METHOD |
| 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 |
| CN105556971B (zh) * | 2014-03-04 | 2019-07-30 | 微软技术许可有限责任公司 | 针对帧内块复制预测中的块翻动和跳跃模式的编码器侧判定 |
| US10327001B2 (en) | 2014-06-19 | 2019-06-18 | Qualcomm Incorporated | Systems and methods for intra-block copy |
-
2015
- 2015-06-18 US US14/743,176 patent/US10327001B2/en active Active
- 2015-06-18 US US14/743,253 patent/US10327002B2/en active Active
- 2015-06-19 CA CA2952457A patent/CA2952457C/en active Active
- 2015-06-19 WO PCT/US2015/036609 patent/WO2015196029A1/en not_active Ceased
- 2015-06-19 HU HUE15741643A patent/HUE050093T2/hu unknown
- 2015-06-19 WO PCT/US2015/036610 patent/WO2015196030A1/en not_active Ceased
- 2015-06-19 KR KR1020167035218A patent/KR102423950B1/ko active Active
- 2015-06-19 EP EP15745007.3A patent/EP3158736B1/en active Active
- 2015-06-19 CA CA2952279A patent/CA2952279C/en active Active
- 2015-06-19 EP EP15741643.9A patent/EP3158737B1/en active Active
- 2015-06-19 JP JP2016573090A patent/JP6704354B2/ja active Active
- 2015-06-19 ES ES15741643T patent/ES2807216T3/es active Active
- 2015-06-19 CN CN201580031604.5A patent/CN106464874B/zh active Active
- 2015-06-19 CN CN201580030892.2A patent/CN106416245B/zh active Active
- 2015-06-19 JP JP2016573096A patent/JP6527891B2/ja active Active
- 2015-06-19 HU HUE15745007A patent/HUE047937T2/hu unknown
- 2015-06-19 BR BR112016029387-8A patent/BR112016029387B1/pt active IP Right Grant
- 2015-06-19 ES ES15745007T patent/ES2774664T3/es active Active
- 2015-06-19 KR KR1020167035219A patent/KR102423948B1/ko active Active
Cited By (3)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102423948B1 (ko) | 2022-07-22 |
| HUE047937T2 (hu) | 2020-05-28 |
| BR112016029387A2 (pt) | 2017-08-22 |
| ES2774664T3 (es) | 2020-07-22 |
| US20150373358A1 (en) | 2015-12-24 |
| CN106416245A (zh) | 2017-02-15 |
| KR20170019364A (ko) | 2017-02-21 |
| KR20170019365A (ko) | 2017-02-21 |
| CN106464874A (zh) | 2017-02-22 |
| EP3158737B1 (en) | 2020-04-22 |
| EP3158736A1 (en) | 2017-04-26 |
| BR112016029387B1 (pt) | 2024-02-15 |
| EP3158736B1 (en) | 2019-11-27 |
| CA2952457A1 (en) | 2015-12-23 |
| CN106464874B (zh) | 2019-08-02 |
| CA2952279C (en) | 2023-01-03 |
| WO2015196030A1 (en) | 2015-12-23 |
| HUE050093T2 (hu) | 2020-11-30 |
| CA2952279A1 (en) | 2015-12-23 |
| US10327001B2 (en) | 2019-06-18 |
| EP3158737A1 (en) | 2017-04-26 |
| US10327002B2 (en) | 2019-06-18 |
| JP6704354B2 (ja) | 2020-06-03 |
| WO2015196029A1 (en) | 2015-12-23 |
| CN106416245B (zh) | 2019-08-02 |
| ES2807216T3 (es) | 2021-02-22 |
| US20150373357A1 (en) | 2015-12-24 |
| JP2017522789A (ja) | 2017-08-10 |
| JP6527891B2 (ja) | 2019-06-05 |
| BR112016029539A2 (pt) | 2017-08-22 |
| JP2017522790A (ja) | 2017-08-10 |
| KR102423950B1 (ko) | 2022-07-21 |
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 |