CA2912469C - Depth oriented inter-view motion vector prediction - Google Patents
Depth oriented inter-view motion vector prediction Download PDFInfo
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- CA2912469C CA2912469C CA2912469A CA2912469A CA2912469C CA 2912469 C CA2912469 C CA 2912469C CA 2912469 A CA2912469 A CA 2912469A CA 2912469 A CA2912469 A CA 2912469A CA 2912469 C CA2912469 C CA 2912469C
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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
- H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence 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
- H04N19/513—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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361840400P | 2013-06-27 | 2013-06-27 | |
| US61/840,400 | 2013-06-27 | ||
| US201361847942P | 2013-07-18 | 2013-07-18 | |
| US61/847,942 | 2013-07-18 | ||
| US201361890107P | 2013-10-11 | 2013-10-11 | |
| US61/890,107 | 2013-10-11 | ||
| US14/316,145 US9800895B2 (en) | 2013-06-27 | 2014-06-26 | Depth oriented inter-view motion vector prediction |
| US14/316,145 | 2014-06-26 | ||
| PCT/US2014/044600 WO2014210473A1 (en) | 2013-06-27 | 2014-06-27 | Depth oriented inter-view motion vector prediction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2912469A1 CA2912469A1 (en) | 2014-12-31 |
| CA2912469C true CA2912469C (en) | 2021-03-09 |
Family
ID=52115575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2912469A Active CA2912469C (en) | 2013-06-27 | 2014-06-27 | Depth oriented inter-view motion vector prediction |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US9800895B2 (OSRAM) |
| EP (2) | EP3014883A1 (OSRAM) |
| JP (1) | JP6356236B2 (OSRAM) |
| KR (1) | KR102112900B1 (OSRAM) |
| CN (2) | CN105359530B (OSRAM) |
| CA (1) | CA2912469C (OSRAM) |
| WO (2) | WO2014210473A1 (OSRAM) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10075728B2 (en) * | 2012-10-01 | 2018-09-11 | Inria Institut National De Recherche En Informatique Et En Automatique | Method and device for motion information prediction refinement |
| US9800895B2 (en) * | 2013-06-27 | 2017-10-24 | Qualcomm Incorporated | Depth oriented inter-view motion vector prediction |
| US9628795B2 (en) | 2013-07-17 | 2017-04-18 | Qualcomm Incorporated | Block identification using disparity vector in video coding |
| US9948915B2 (en) | 2013-07-24 | 2018-04-17 | Qualcomm Incorporated | Sub-PU motion prediction for texture and depth coding |
| EP3028466B1 (en) | 2013-07-24 | 2022-01-26 | Qualcomm Incorporated | Simplified advanced motion prediction for 3d-hevc |
| US10244253B2 (en) | 2013-09-13 | 2019-03-26 | Qualcomm Incorporated | Video coding techniques using asymmetric motion partitioning |
| US9693077B2 (en) | 2013-12-13 | 2017-06-27 | Qualcomm Incorporated | Controlling sub prediction unit (sub-PU) motion parameter inheritance (MPI) in three dimensional (3D) HEVC or other 3D coding |
| WO2015131387A1 (en) | 2014-03-07 | 2015-09-11 | Qualcomm Incorporated | Simplified sub-prediction unit (sub-pu) motion parameter inheritence (mpi) |
| KR102260146B1 (ko) | 2014-03-31 | 2021-06-03 | 인텔렉추얼디스커버리 주식회사 | 시점 간 움직임 병합 후보 유도 방법 및 장치 |
| US10567789B2 (en) | 2014-06-16 | 2020-02-18 | Qualcomm Incorporated | Simplified shifting merge candidate and merge list derivation in 3D-HEVC |
| KR102378459B1 (ko) * | 2014-06-30 | 2022-03-24 | 한국전자통신연구원 | 움직임 병합 모드에서 시점 합성 예측 후보의 중복성 제거 장치 및 방법 |
| WO2016061132A1 (en) * | 2014-10-13 | 2016-04-21 | Huawei Technologies Co., Ltd. | System and method for depth map coding for smooth depth map area |
| US20160112724A1 (en) | 2014-10-15 | 2016-04-21 | Qualcomm Incorporated | Hrd descriptor and buffer model of data streams for carriage of hevc extensions |
| EP3099072A1 (en) * | 2015-05-28 | 2016-11-30 | Parabola Research Limited | Method, system and device for image and video coding |
| CN107925760A (zh) * | 2015-08-23 | 2018-04-17 | Lg 电子株式会社 | 基于间预测模式的图像处理方法及其装置 |
| US10560718B2 (en) * | 2016-05-13 | 2020-02-11 | Qualcomm Incorporated | Merge candidates for motion vector prediction for video coding |
| CN109479141B (zh) * | 2016-07-12 | 2023-07-14 | 韩国电子通信研究院 | 图像编码/解码方法和用于所述方法的记录介质 |
| GB2556319A (en) * | 2016-07-14 | 2018-05-30 | Nokia Technologies Oy | Method for temporal inter-view prediction and technical equipment for the same |
| CN116437078A (zh) * | 2016-09-20 | 2023-07-14 | 株式会社Kt | 对视频进行解码和编码的方法以及传输方法 |
| JP2019535202A (ja) * | 2016-10-06 | 2019-12-05 | エルジー エレクトロニクス インコーポレイティド | インター予測モードベースの画像処理方法及びそのための装置 |
| US11496747B2 (en) * | 2017-03-22 | 2022-11-08 | Qualcomm Incorporated | Intra-prediction mode propagation |
| CN107220648B (zh) * | 2017-04-11 | 2018-06-22 | 平安科技(深圳)有限公司 | 理赔单据的字符识别方法及服务器 |
| US10528366B2 (en) * | 2017-06-05 | 2020-01-07 | International Business Machines Corporation | Facilitating multi-inheritance within a single inheritance container-based environment |
| EP3759928B1 (en) * | 2018-02-26 | 2025-06-04 | InterDigital VC Holdings, Inc. | Method and apparatus for intraprediction boundary filtering with multiple reference layers in video coding and decoding |
| US10861215B2 (en) * | 2018-04-30 | 2020-12-08 | Qualcomm Incorporated | Asynchronous time and space warp with determination of region of interest |
| CN111010571B (zh) | 2018-10-08 | 2023-05-16 | 北京字节跳动网络技术有限公司 | 组合仿射Merge候选的生成和使用 |
| KR102581186B1 (ko) | 2018-10-12 | 2023-09-21 | 삼성전자주식회사 | 전자 장치 및 전자 장치의 제어 방법 |
| CN113039780B (zh) | 2018-11-17 | 2023-07-28 | 北京字节跳动网络技术有限公司 | 视频处理中用运动矢量差的Merge |
| KR102760707B1 (ko) * | 2018-12-28 | 2025-02-03 | 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) | 움직임 벡터 예측자 리스트의 생성 |
| CN109889853A (zh) * | 2019-02-26 | 2019-06-14 | 北京大学深圳研究生院 | 一种去块效应滤波方法、系统、设备及计算机可读介质 |
| 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 |
| KR20220016839A (ko) | 2019-06-04 | 2022-02-10 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 기하학적 분할 모드 코딩을 갖는 모션 후보 리스트 |
| EP3967040A4 (en) | 2019-06-06 | 2022-11-30 | Beijing Bytedance Network Technology Co., Ltd. | BUILDING LIST OF MOVEMENT CANDIDATES FOR VIDEO CODING |
| CN113950838A (zh) | 2019-06-06 | 2022-01-18 | 北京字节跳动网络技术有限公司 | 基于子块的帧内块复制 |
| US11115658B2 (en) * | 2019-06-25 | 2021-09-07 | Qualcomm Incorporated | Matrix intra prediction and cross-component linear model prediction harmonization for video coding |
| WO2021008513A1 (en) | 2019-07-14 | 2021-01-21 | Beijing Bytedance Network Technology Co., Ltd. | Transform block size restriction in video coding |
| WO2021057996A1 (en) | 2019-09-28 | 2021-04-01 | Beijing Bytedance Network Technology Co., Ltd. | Geometric partitioning mode in video coding |
| US11356698B2 (en) * | 2019-12-30 | 2022-06-07 | Tencent America LLC | Method for parameter set reference constraints in coded video stream |
| 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 |
| CN116996661B (zh) * | 2023-09-27 | 2024-01-05 | 中国科学技术大学 | 三维视频展示方法、装置、设备及介质 |
Family Cites Families (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1965583A (zh) * | 2004-06-04 | 2007-05-16 | 皇家飞利浦电子股份有限公司 | 搜索全局运动矢量的方法 |
| CN106067983B (zh) | 2010-04-13 | 2019-07-12 | Ge视频压缩有限责任公司 | 解码数据流的方法、生成数据流的方法及解码器 |
| BR112012026393B1 (pt) | 2010-04-13 | 2022-08-23 | Ge Video Compression, Llc | Fusão de região de amostra |
| US8933927B2 (en) | 2010-09-02 | 2015-01-13 | Samsung Electronics Co., Ltd. | Display system with image conversion mechanism and method of operation thereof |
| JP5668149B2 (ja) * | 2010-12-13 | 2015-02-12 | エレクトロニクス アンド テレコミュニケーションズ リサーチ インスチチュートElectronics And Telecommunications Research Institute | 参照ユニット決定方法及び装置 |
| WO2012124121A1 (ja) * | 2011-03-17 | 2012-09-20 | 富士通株式会社 | 動画像復号方法、動画像符号化方法、動画像復号装置及び動画像復号プログラム |
| US9485517B2 (en) * | 2011-04-20 | 2016-11-01 | Qualcomm Incorporated | Motion vector prediction with motion vectors from multiple views in multi-view video coding |
| AU2012269583B2 (en) | 2011-06-15 | 2015-11-26 | Hfi Innovation Inc. | Method and apparatus of motion and disparity vector prediction and compensation for 3D video coding |
| CN103621090B (zh) | 2011-06-24 | 2017-09-15 | 寰发股份有限公司 | 移除运动向量预测子中冗余的方法与装置 |
| WO2013001749A1 (ja) | 2011-06-29 | 2013-01-03 | パナソニック株式会社 | 画像符号化方法、画像復号方法、画像符号化装置、画像復号装置および画像符号化復号装置 |
| CN102868889A (zh) * | 2011-07-06 | 2013-01-09 | 乐金电子(中国)研究开发中心有限公司 | 帧间图像视频编解码的运动矢量预测方法及视频编解码器 |
| US9635355B2 (en) * | 2011-07-28 | 2017-04-25 | Qualcomm Incorporated | Multiview video coding |
| WO2013053309A1 (en) | 2011-10-11 | 2013-04-18 | Mediatek Inc. | Method and apparatus of motion and disparity vector derivation for 3d video coding and hevc |
| FR2982448A1 (fr) * | 2011-11-07 | 2013-05-10 | Thomson Licensing | Procede de traitement d'image stereoscopique comprenant un objet incruste et dispositif correspondant |
| FR2986395A1 (fr) * | 2012-01-30 | 2013-08-02 | France Telecom | Codage et decodage par heritage progressif |
| WO2013133587A1 (ko) * | 2012-03-07 | 2013-09-12 | 엘지전자 주식회사 | 비디오 신호 처리 방법 및 장치 |
| EP2648414B1 (en) | 2012-04-03 | 2016-03-23 | Samsung Electronics Co., Ltd | 3d display apparatus and method for processing image using the same |
| WO2013162273A1 (ko) * | 2012-04-24 | 2013-10-31 | 엘지전자 주식회사 | 비디오 신호 처리 방법 및 장치 |
| US20130287289A1 (en) * | 2012-04-25 | 2013-10-31 | Dong Tian | Synthetic Reference Picture Generation |
| EP2849441B1 (en) * | 2012-05-10 | 2019-08-21 | LG Electronics Inc. | Method and apparatus for processing video signals |
| WO2013176485A1 (ko) | 2012-05-22 | 2013-11-28 | 엘지전자 주식회사 | 비디오 신호 처리 방법 및 장치 |
| US9843820B2 (en) | 2012-07-05 | 2017-12-12 | Mediatek Inc | Method and apparatus of unified disparity vector derivation for 3D video coding |
| WO2014010935A1 (ko) * | 2012-07-11 | 2014-01-16 | 엘지전자 주식회사 | 비디오 신호 처리 방법 및 장치 |
| US20140071235A1 (en) * | 2012-09-13 | 2014-03-13 | Qualcomm Incorporated | Inter-view motion prediction for 3d video |
| US9264691B2 (en) | 2012-09-28 | 2016-02-16 | Mitsubishi Electric Research Laboratories, Inc. | Method and system for backward 3D-view synthesis prediction using neighboring blocks |
| US9253486B2 (en) * | 2012-09-28 | 2016-02-02 | Mitsubishi Electric Research Laboratories, Inc. | Method and system for motion field backward warping using neighboring blocks in videos |
| US10075728B2 (en) | 2012-10-01 | 2018-09-11 | Inria Institut National De Recherche En Informatique Et En Automatique | Method and device for motion information prediction refinement |
| US9736498B2 (en) | 2012-10-03 | 2017-08-15 | Mediatek Inc. | Method and apparatus of disparity vector derivation and inter-view motion vector prediction for 3D video coding |
| KR20150079905A (ko) * | 2012-12-27 | 2015-07-08 | 니폰 덴신 덴와 가부시끼가이샤 | 화상 부호화 방법, 화상 복호 방법, 화상 부호화 장치, 화상 복호 장치, 화상 부호화 프로그램, 화상 복호 프로그램 및 기록 매체 |
| WO2014166068A1 (en) * | 2013-04-09 | 2014-10-16 | Mediatek Inc. | Refinement of view synthesis prediction for 3-d video coding |
| US9800895B2 (en) | 2013-06-27 | 2017-10-24 | Qualcomm Incorporated | Depth oriented inter-view motion vector prediction |
| US10110925B2 (en) * | 2014-01-03 | 2018-10-23 | Hfi Innovation Inc. | Method of reference picture selection and signaling in 3D and multi-view video coding |
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2014
- 2014-06-26 US US14/316,145 patent/US9800895B2/en active Active
- 2014-06-26 US US14/316,088 patent/US9716899B2/en active Active
- 2014-06-27 CN CN201480035594.8A patent/CN105359530B/zh active Active
- 2014-06-27 JP JP2016524245A patent/JP6356236B2/ja active Active
- 2014-06-27 WO PCT/US2014/044600 patent/WO2014210473A1/en not_active Ceased
- 2014-06-27 CA CA2912469A patent/CA2912469C/en active Active
- 2014-06-27 EP EP14744231.3A patent/EP3014883A1/en not_active Ceased
- 2014-06-27 CN CN201480035669.2A patent/CN105325001B/zh active Active
- 2014-06-27 EP EP14747173.4A patent/EP3014884A1/en not_active Withdrawn
- 2014-06-27 WO PCT/US2014/044589 patent/WO2014210468A1/en not_active Ceased
- 2014-06-27 KR KR1020167001940A patent/KR102112900B1/ko active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2912469A1 (en) | 2014-12-31 |
| CN105325001A (zh) | 2016-02-10 |
| JP2016527784A (ja) | 2016-09-08 |
| US20150003521A1 (en) | 2015-01-01 |
| US9800895B2 (en) | 2017-10-24 |
| JP6356236B2 (ja) | 2018-07-11 |
| HK1215772A1 (zh) | 2016-09-09 |
| WO2014210473A1 (en) | 2014-12-31 |
| EP3014883A1 (en) | 2016-05-04 |
| US9716899B2 (en) | 2017-07-25 |
| CN105359530A (zh) | 2016-02-24 |
| CN105325001B (zh) | 2018-06-12 |
| CN105359530B (zh) | 2018-09-18 |
| US20150003529A1 (en) | 2015-01-01 |
| KR20160024960A (ko) | 2016-03-07 |
| EP3014884A1 (en) | 2016-05-04 |
| WO2014210468A1 (en) | 2014-12-31 |
| KR102112900B1 (ko) | 2020-06-04 |
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