KR102889176B1 - 히스토리 기반 모션 벡터 예측자에 대한 개선들 - Google Patents
히스토리 기반 모션 벡터 예측자에 대한 개선들Info
- Publication number
- KR102889176B1 KR102889176B1 KR1020217009767A KR20217009767A KR102889176B1 KR 102889176 B1 KR102889176 B1 KR 102889176B1 KR 1020217009767 A KR1020217009767 A KR 1020217009767A KR 20217009767 A KR20217009767 A KR 20217009767A KR 102889176 B1 KR102889176 B1 KR 102889176B1
- Authority
- KR
- South Korea
- Prior art keywords
- hmvp
- candidates
- candidate
- prediction
- video data
- 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
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
- H04N19/50—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
- H04N19/10—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
- H04N19/132—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
- H04N19/134—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
-
- 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
- H04N19/176—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
- H04N19/42—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
- 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
- H04N19/503—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
- H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
-
- 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
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862742890P | 2018-10-08 | 2018-10-08 | |
| US62/742,890 | 2018-10-08 | ||
| US16/593,388 | 2019-10-04 | ||
| US16/593,388 US11051034B2 (en) | 2018-10-08 | 2019-10-04 | History-based motion vector predictor |
| PCT/US2019/055004 WO2020076705A2 (en) | 2018-10-08 | 2019-10-07 | Improvements on history-based motion vector predictor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20210068439A KR20210068439A (ko) | 2021-06-09 |
| KR102889176B1 true KR102889176B1 (ko) | 2025-11-20 |
Family
ID=70052569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020217009767A Active KR102889176B1 (ko) | 2018-10-08 | 2019-10-07 | 히스토리 기반 모션 벡터 예측자에 대한 개선들 |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US11051034B2 (OSRAM) |
| EP (1) | EP3864841B1 (OSRAM) |
| JP (1) | JP7342115B2 (OSRAM) |
| KR (1) | KR102889176B1 (OSRAM) |
| CN (1) | CN112823517B (OSRAM) |
| AU (1) | AU2019356483B2 (OSRAM) |
| BR (1) | BR112021005357A2 (OSRAM) |
| CA (1) | CA3112448A1 (OSRAM) |
| CO (1) | CO2021004169A2 (OSRAM) |
| ES (1) | ES3008269T3 (OSRAM) |
| IL (1) | IL281298B2 (OSRAM) |
| MX (1) | MX2021003973A (OSRAM) |
| MY (1) | MY209631A (OSRAM) |
| PH (1) | PH12021550507A1 (OSRAM) |
| PL (1) | PL3864841T3 (OSRAM) |
| SA (1) | SA521421615B1 (OSRAM) |
| SG (1) | SG11202102322WA (OSRAM) |
| TW (1) | TWI826546B (OSRAM) |
| WO (1) | WO2020076705A2 (OSRAM) |
| ZA (1) | ZA202103094B (OSRAM) |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019234606A1 (en) | 2018-06-05 | 2019-12-12 | Beijing Bytedance Network Technology Co., Ltd. | Interaction between ibc and atmvp |
| EP3788782A1 (en) | 2018-06-21 | 2021-03-10 | Beijing Bytedance Network Technology Co. Ltd. | Sub-block mv inheritance between color components |
| 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 |
| KR20200002697A (ko) * | 2018-06-29 | 2020-01-08 | 한국전자통신연구원 | 처리율 향상을 위한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| MX392418B (es) | 2018-06-29 | 2025-03-24 | Beijing Bytedance Network Tech Co Ltd | Poda parcial/total cuando se añade un candidato a hmvp para fusión/amvp. |
| KR20240007299A (ko) | 2018-06-29 | 2024-01-16 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 룩업 테이블의 업데이트: fifo, 제약된 fifo |
| EP3794824A1 (en) | 2018-06-29 | 2021-03-24 | Beijing Bytedance Network Technology Co. Ltd. | Conditions for updating luts |
| WO2020003279A1 (en) | 2018-06-29 | 2020-01-02 | Beijing Bytedance Network Technology Co., Ltd. | Concept of using one or multiple look up tables to store motion information of previously coded in order and use them to code following blocks |
| WO2020003261A1 (en) | 2018-06-29 | 2020-01-02 | Beijing Bytedance Network Technology Co., Ltd. | Selection from multiple luts |
| WO2020003270A1 (en) | 2018-06-29 | 2020-01-02 | Beijing Bytedance Network Technology Co., Ltd. | Number of motion candidates in a look up table to be checked according to mode |
| KR20240007298A (ko) | 2018-06-29 | 2024-01-16 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | Lut에서의 모션 후보들의 검사 순서 |
| CN114125450B (zh) | 2018-06-29 | 2023-11-17 | 北京字节跳动网络技术有限公司 | 一种用于处理视频数据的方法、装置和计算机可读介质 |
| WO2020008351A1 (en) | 2018-07-02 | 2020-01-09 | Beijing Bytedance Network Technology Co., Ltd. | Luts with lic |
| GB2590310B (en) | 2018-09-12 | 2023-03-22 | Beijing Bytedance Network Tech Co Ltd | Conditions for starting checking HMVP candidates depend on total number minus K |
| RU2769146C1 (ru) * | 2018-09-22 | 2022-03-28 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ и устройство для обработки сигналов видео с использованием интер-предсказания |
| GB2591906B (en) | 2018-09-24 | 2023-03-08 | Beijing Bytedance Network Tech Co Ltd | Bi-prediction with weights in video coding and decoding |
| CN116634170A (zh) | 2018-10-10 | 2023-08-22 | 华为技术有限公司 | 帧间预测方法及装置 |
| CN112868238B (zh) | 2018-10-23 | 2023-04-21 | 北京字节跳动网络技术有限公司 | 局部照明补偿和帧间预测编解码之间的并置 |
| CN116939198A (zh) | 2018-10-23 | 2023-10-24 | 北京字节跳动网络技术有限公司 | 并置的局部照明补偿和修改的帧间预测编解码 |
| WO2020088689A1 (en) * | 2018-11-02 | 2020-05-07 | Beijing Bytedance Network Technology Co., Ltd. | Usage of hmvp candidates in geometry partition prediction mode |
| CN116886926A (zh) | 2018-11-10 | 2023-10-13 | 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 |
| WO2020114407A1 (en) | 2018-12-03 | 2020-06-11 | Beijing Bytedance Network Technology Co., Ltd. | Partial pruning method for hmvp mode |
| WO2020117016A1 (ko) * | 2018-12-06 | 2020-06-11 | 엘지전자 주식회사 | 인터 예측을 기반으로 비디오 신호를 처리하기 위한 방법 및 장치 |
| US11394989B2 (en) * | 2018-12-10 | 2022-07-19 | Tencent America LLC | Method and apparatus for video coding |
| CN113228639A (zh) * | 2018-12-21 | 2021-08-06 | 韩国电子通信研究院 | 图像编码/解码方法和装置以及存储有比特流的记录介质 |
| TWI782887B (zh) | 2018-12-28 | 2022-11-01 | 日商Ｊｖｃ建伍股份有限公司 | 影像編碼裝置、影像編碼方法、影像編碼程式、影像解碼裝置、影像解碼方法及影像解碼程式 |
| CN112954364A (zh) | 2018-12-28 | 2021-06-11 | Jvc建伍株式会社 | 图像编码装置和方法、图像解码装置和方法 |
| WO2020143741A1 (en) | 2019-01-10 | 2020-07-16 | Beijing Bytedance Network Technology Co., Ltd. | Invoke of lut updating |
| CN113383554B (zh) | 2019-01-13 | 2022-12-16 | 北京字节跳动网络技术有限公司 | LUT和共享Merge列表之间的交互 |
| WO2020147745A1 (en) | 2019-01-15 | 2020-07-23 | Beijing Bytedance Network Technology Co., Ltd. | Motion candidate lists that use local illumination compensation |
| WO2020147747A1 (en) | 2019-01-15 | 2020-07-23 | Beijing Bytedance Network Technology Co., Ltd. | Weighted prediction in video coding |
| CN113302937B (zh) | 2019-01-16 | 2024-08-02 | 北京字节跳动网络技术有限公司 | 运动候选推导 |
| CN113316933B (zh) * | 2019-01-17 | 2024-10-11 | 北京字节跳动网络技术有限公司 | 使用运动预测进行去方块滤波 |
| WO2020156464A1 (en) * | 2019-01-31 | 2020-08-06 | Mediatek Inc. | Method and apparatus of combined inter and intraprediction for video coding |
| 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 |
| US11115653B2 (en) * | 2019-02-22 | 2021-09-07 | Mediatek Inc. | Intra block copy merge list simplification |
| WO2020187328A1 (en) | 2019-03-21 | 2020-09-24 | Beijing Bytedance Network Technology Co., Ltd. | Signaling of combined intra-inter prediction |
| CN113615193B (zh) | 2019-03-22 | 2024-06-25 | 北京字节跳动网络技术有限公司 | Merge列表构建和其他工具之间的交互 |
| CN113812165B (zh) * | 2019-05-09 | 2023-05-23 | 北京字节跳动网络技术有限公司 | 对hmvp表的改进 |
| CN113940082A (zh) * | 2019-06-06 | 2022-01-14 | 北京字节跳动网络技术有限公司 | 基于子块的帧内块复制和不同编解码工具之间的交互 |
| WO2020244660A1 (en) | 2019-06-06 | 2020-12-10 | Beijing Bytedance Network Technology Co., Ltd. | Motion candidate list construction for video coding |
| CN114009044A (zh) | 2019-06-14 | 2022-02-01 | 瑞典爱立信有限公司 | 用于基于矩阵的帧内预测的简化下采样 |
| 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 |
| US11451809B2 (en) * | 2019-08-28 | 2022-09-20 | Tencent America LLC | Method and apparatus for video coding |
| CN113709498B (zh) * | 2020-05-20 | 2023-06-02 | Oppo广东移动通信有限公司 | 帧间预测方法、编码器、解码器以及计算机存储介质 |
| CN114374849A (zh) * | 2020-10-18 | 2022-04-19 | 腾讯科技（深圳）有限公司 | 一种候选运动信息列表确定方法、装置、电子设备及存储介质 |
| WO2023090924A1 (ko) * | 2021-11-18 | 2023-05-25 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
| US20240388720A1 (en) * | 2022-02-01 | 2024-11-21 | Apple Inc. | Video codec buffer quantity reduction |
| KR20240148900A (ko) * | 2022-02-15 | 2024-10-11 | 엘지전자 주식회사 | 영상 부호화/복호화 방법, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록 매체 |
| CN119234421A (zh) * | 2022-06-23 | 2024-12-31 | 联发科技股份有限公司 | 使用多个基于历史的运动向量预测表进行视频编解码的方法和装置 |
| WO2025219105A1 (en) * | 2024-04-17 | 2025-10-23 | Nokia Technologies Oy | Distance-based hmvp |
| GB2644100A (en) * | 2024-09-17 | 2026-03-18 | Nokia Technologies Oy | Coding performed on an uncoded block in an image frame using information from coded-blocks of the image frame |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017197126A1 (en) * | 2016-05-13 | 2017-11-16 | Qualcomm Incorporated | Merge candidates for motion vector prediction for video coding |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7567617B2 (en) | 2003-09-07 | 2009-07-28 | Microsoft Corporation | Predicting motion vectors for fields of forward-predicted interlaced video frames |
| CN1225127C (zh) * | 2003-09-12 | 2005-10-26 | 中国科学院计算技术研究所 | 一种用于视频编码的编码端/解码端双向预测方法 |
| US8358698B2 (en) | 2010-01-08 | 2013-01-22 | Research In Motion Limited | Method and device for motion vector estimation in video transcoding using full-resolution residuals |
| EP3139611A1 (en) | 2011-03-14 | 2017-03-08 | HFI Innovation Inc. | Method and apparatus for deriving temporal motion vector prediction |
| KR101934277B1 (ko) * | 2011-11-28 | 2019-01-04 | 에스케이텔레콤 주식회사 | 개선된 머지를 이용한 영상 부호화/복호화 방법 및 장치 |
| US9491458B2 (en) | 2012-04-12 | 2016-11-08 | Qualcomm Incorporated | Scalable video coding prediction with non-causal information |
| US9699450B2 (en) * | 2012-10-04 | 2017-07-04 | Qualcomm Incorporated | Inter-view predicted motion vector for 3D video |
| WO2016068685A1 (ko) | 2014-10-31 | 2016-05-06 | 삼성전자 주식회사 | 고정밀 스킵 부호화를 이용한 비디오 부호화 장치 및 비디오 복호화 장치 및 그 방법 |
| US11477477B2 (en) * | 2015-01-26 | 2022-10-18 | Qualcomm Incorporated | Sub-prediction unit based advanced temporal motion vector prediction |
| EP3343925A1 (en) | 2017-01-03 | 2018-07-04 | Thomson Licensing | Method and apparatus for encoding and decoding motion information |
| RU2769146C1 (ru) | 2018-09-22 | 2022-03-28 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ и устройство для обработки сигналов видео с использованием интер-предсказания |
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2019
- 2019-10-04 US US16/593,388 patent/US11051034B2/en active Active
- 2019-10-07 ES ES19794340T patent/ES3008269T3/es active Active
- 2019-10-07 EP EP19794340.0A patent/EP3864841B1/en active Active
- 2019-10-07 KR KR1020217009767A patent/KR102889176B1/ko active Active
- 2019-10-07 AU AU2019356483A patent/AU2019356483B2/en active Active
- 2019-10-07 CA CA3112448A patent/CA3112448A1/en active Pending
- 2019-10-07 WO PCT/US2019/055004 patent/WO2020076705A2/en not_active Ceased
- 2019-10-07 CN CN201980065444.4A patent/CN112823517B/zh active Active
- 2019-10-07 JP JP2021518081A patent/JP7342115B2/ja active Active
- 2019-10-07 BR BR112021005357-3A patent/BR112021005357A2/pt unknown
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Patent Citations (1)
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| WO2017197126A1 (en) * | 2016-05-13 | 2017-11-16 | Qualcomm Incorporated | Merge candidates for motion vector prediction for video coding |
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| WO2020076705A2 (en) | 2020-04-16 |
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| SA521421615B1 (ar) | 2024-01-15 |
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| CA3112448A1 (en) | 2020-04-16 |
| BR112021005357A2 (pt) | 2021-06-15 |
| IL281298B2 (en) | 2025-02-01 |
| IL281298A (en) | 2021-04-29 |
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| AU2019356483B2 (en) | 2022-10-20 |
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