SG11202012700UA - Memory access window and padding for motion vector refinement and motion compensation - Google Patents
Memory access window and padding for motion vector refinement and motion compensationInfo
- Publication number
- SG11202012700UA SG11202012700UA SG11202012700UA SG11202012700UA SG11202012700UA SG 11202012700U A SG11202012700U A SG 11202012700UA SG 11202012700U A SG11202012700U A SG 11202012700UA SG 11202012700U A SG11202012700U A SG 11202012700UA SG 11202012700U A SG11202012700U A SG 11202012700UA
- Authority
- SG
- Singapore
- Prior art keywords
- padding
- memory access
- access window
- vector refinement
- motion vector
- Prior art date
Links
Classifications
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- 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
-
- 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
- H04N19/169—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
- H04N19/50—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
- H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting 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
- H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
-
- 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
- H04N19/55—Motion estimation with spatial constraints, e.g. at image or region borders
-
- 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
- H04N19/563—Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
-
- 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
- H04N19/57—Motion estimation characterised by a search window with variable size or shape
-
- 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
-
- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862691582P | 2018-06-28 | 2018-06-28 | |
US201862691594P | 2018-06-28 | 2018-06-28 | |
PCT/CN2019/093465 WO2020001574A1 (en) | 2018-06-28 | 2019-06-28 | Memory access window and padding for motion vector refinement and motion compensation |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11202012700UA true SG11202012700UA (en) | 2021-01-28 |
Family
ID=68985791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11202012700UA SG11202012700UA (en) | 2018-06-28 | 2019-06-28 | Memory access window and padding for motion vector refinement and motion compensation |
Country Status (10)
Country | Link |
---|---|
US (3) | US11363292B2 (ko) |
EP (2) | EP3799693A4 (ko) |
JP (2) | JP7171770B2 (ko) |
KR (2) | KR20230165870A (ko) |
CN (2) | CN112292862A (ko) |
AU (1) | AU2019296308B9 (ko) |
BR (1) | BR112020026830A2 (ko) |
CA (1) | CA3104570C (ko) |
SG (1) | SG11202012700UA (ko) |
WO (2) | WO2020001578A1 (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111201795B (zh) * | 2017-10-09 | 2022-07-26 | 华为技术有限公司 | 存储访问窗口和用于运动矢量修正的填充 |
JP7171770B2 (ja) * | 2018-06-28 | 2022-11-15 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 動きベクトル精密化および動き補償のためのメモリアクセスウィンドウおよびパディング |
WO2020103944A1 (en) | 2018-11-22 | 2020-05-28 | Beijing Bytedance Network Technology Co., Ltd. | Sub-block based motion candidate selection and signaling |
KR20200078378A (ko) * | 2018-12-21 | 2020-07-01 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
WO2020185747A1 (en) * | 2019-03-11 | 2020-09-17 | Vid Scale, Inc. | Methods and systems for post-reconstruction filtering |
US11936916B2 (en) * | 2019-06-25 | 2024-03-19 | Lg Electronics Inc. | Image decoding method using lossless coding in image coding system and apparatus therefor |
BR112022002687A2 (pt) * | 2019-08-13 | 2022-09-27 | Beijing Bytedance Network Tech Co Ltd | Método de processamento de vídeo, aparelho em um sistema de vídeo, e, produto de programa de computador |
WO2021052504A1 (en) | 2019-09-22 | 2021-03-25 | Beijing Bytedance Network Technology Co., Ltd. | Scaling method for sub-block based inter prediction |
CN113709458B (zh) * | 2020-05-22 | 2023-08-29 | 腾讯科技(深圳)有限公司 | 视频编解码中的位移矢量预测方法、装置及设备 |
US20240171756A1 (en) * | 2021-03-30 | 2024-05-23 | Interdigital Ce Patent Holdings, Sas | Template matching prediction for video encoding and decoding |
WO2023101990A1 (en) * | 2021-11-30 | 2023-06-08 | Beijing Dajia Internet Information Technology Co., Ltd. | Motion compensation considering out-of-boundary conditions in video coding |
CN114154645B (zh) * | 2021-12-03 | 2022-05-17 | 中国科学院空间应用工程与技术中心 | 跨中心图像联合学习方法、系统、存储介质及电子设备 |
WO2024014896A1 (ko) * | 2022-07-13 | 2024-01-18 | 엘지전자 주식회사 | 움직임 정보 리파인먼트에 기반한 영상 부호화/복호화 방법, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록 매체 |
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WO1998042134A1 (en) * | 1997-03-17 | 1998-09-24 | Mitsubishi Denki Kabushiki Kaisha | Image encoder, image decoder, image encoding method, image decoding method and image encoding/decoding system |
US7342962B2 (en) * | 2003-09-17 | 2008-03-11 | Texas Instruments Incorporated | Transcoders and methods |
US8553776B2 (en) | 2004-07-21 | 2013-10-08 | QUALCOMM Inorporated | Method and apparatus for motion vector assignment |
JP4802885B2 (ja) * | 2006-06-19 | 2011-10-26 | ソニー株式会社 | 動きベクトル検出装置および方法、プログラム並びに記録媒体 |
US8160150B2 (en) * | 2007-04-10 | 2012-04-17 | Texas Instruments Incorporated | Method and system for rate distortion optimization |
EP1988502A1 (en) | 2007-05-04 | 2008-11-05 | Deutsche Thomson OHG | Method and device for retrieving a test block from a blockwise stored reference image |
US20110176611A1 (en) * | 2010-01-15 | 2011-07-21 | Yu-Wen Huang | Methods for decoder-side motion vector derivation |
JP5875989B2 (ja) * | 2010-01-19 | 2016-03-02 | トムソン ライセンシングThomson Licensing | ビデオ・エンコードおよびデコードのための低複雑性テンプレート照合予測のための方法および装置 |
CN102611887B (zh) * | 2011-01-21 | 2015-08-05 | 华为技术有限公司 | 非整像素位置运动矢量的坐标值取整方法和装置 |
US9749657B2 (en) * | 2011-01-21 | 2017-08-29 | Sharp Kabushiki Kaisha | Buffer compression for motion vector competition |
US9641866B2 (en) * | 2011-08-18 | 2017-05-02 | Qualcomm Incorporated | Applying partition-based filters |
US9325991B2 (en) * | 2012-04-11 | 2016-04-26 | Qualcomm Incorporated | Motion vector rounding |
EP2683165B1 (en) * | 2012-07-04 | 2015-10-14 | Thomson Licensing | Method for coding and decoding a block of pixels from a motion model |
US10284842B2 (en) * | 2013-03-05 | 2019-05-07 | Qualcomm Incorporated | Inter-layer reference picture construction for spatial scalability with different aspect ratios |
US9609347B2 (en) * | 2013-04-04 | 2017-03-28 | Qualcomm Incorporated | Advanced merge mode for three-dimensional (3D) video coding |
US9942560B2 (en) * | 2014-01-08 | 2018-04-10 | Microsoft Technology Licensing, Llc | Encoding screen capture data |
US10205950B2 (en) * | 2014-02-21 | 2019-02-12 | Panasonic Corporation | Image decoding method, image encoding method, image decoding apparatus, and image encoding apparatus |
GB2524476B (en) * | 2014-03-14 | 2016-04-27 | Canon Kk | Method, device and computer program for optimizing transmission of motion vector related information when transmitting a video stream |
US10412387B2 (en) * | 2014-08-22 | 2019-09-10 | Qualcomm Incorporated | Unified intra-block copy and inter-prediction |
US10200711B2 (en) * | 2015-03-27 | 2019-02-05 | Qualcomm Incorporated | Motion vector derivation in video coding |
JP2017017629A (ja) * | 2015-07-03 | 2017-01-19 | 富士通株式会社 | 動画像符号化装置、動画像符号化方法、及びプログラム |
US10511835B2 (en) * | 2015-09-02 | 2019-12-17 | Mediatek Inc. | Method and apparatus of decoder side motion derivation for video coding |
US10812822B2 (en) * | 2015-10-02 | 2020-10-20 | Qualcomm Incorporated | Intra block copy merge mode and padding of unavailable IBC reference region |
US20170272775A1 (en) * | 2015-11-19 | 2017-09-21 | Hua Zhong University Of Science Technology | Optimization of interframe prediction algorithms based on heterogeneous computing |
US10136155B2 (en) * | 2016-07-27 | 2018-11-20 | Cisco Technology, Inc. | Motion compensation using a patchwork motion field |
US10701366B2 (en) * | 2017-02-21 | 2020-06-30 | Qualcomm Incorporated | Deriving motion vector information at a video decoder |
US10805630B2 (en) * | 2017-04-28 | 2020-10-13 | Qualcomm Incorporated | Gradient based matching for motion search and derivation |
US10477237B2 (en) * | 2017-06-28 | 2019-11-12 | Futurewei Technologies, Inc. | Decoder side motion vector refinement in video coding |
CN111201795B (zh) | 2017-10-09 | 2022-07-26 | 华为技术有限公司 | 存储访问窗口和用于运动矢量修正的填充 |
CN111201792B (zh) | 2017-10-09 | 2022-06-14 | 华为技术有限公司 | 指向分数像素点位置的运动矢量的修正运动矢量 |
JP7171770B2 (ja) * | 2018-06-28 | 2022-11-15 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 動きベクトル精密化および動き補償のためのメモリアクセスウィンドウおよびパディング |
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2019
- 2019-06-28 JP JP2020572766A patent/JP7171770B2/ja active Active
- 2019-06-28 AU AU2019296308A patent/AU2019296308B9/en active Active
- 2019-06-28 WO PCT/CN2019/093499 patent/WO2020001578A1/en unknown
- 2019-06-28 EP EP19825737.0A patent/EP3799693A4/en active Pending
- 2019-06-28 BR BR112020026830-5A patent/BR112020026830A2/pt unknown
- 2019-06-28 WO PCT/CN2019/093465 patent/WO2020001574A1/en active Application Filing
- 2019-06-28 KR KR1020237040298A patent/KR20230165870A/ko not_active Application Discontinuation
- 2019-06-28 CN CN201980038772.5A patent/CN112292862A/zh active Pending
- 2019-06-28 KR KR1020217001104A patent/KR102606778B1/ko active IP Right Grant
- 2019-06-28 EP EP19826142.2A patent/EP3794827A4/en active Pending
- 2019-06-28 CA CA3104570A patent/CA3104570C/en active Active
- 2019-06-28 SG SG11202012700UA patent/SG11202012700UA/en unknown
- 2019-06-28 CN CN201980020898.XA patent/CN111886870B/zh active Active
-
2020
- 2020-08-20 US US16/999,031 patent/US11363292B2/en active Active
- 2020-12-28 US US17/135,624 patent/US11451824B2/en active Active
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2022
- 2022-06-03 US US17/832,353 patent/US20220394291A1/en active Pending
- 2022-11-02 JP JP2022176532A patent/JP2023014095A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP7171770B2 (ja) | 2022-11-15 |
EP3794827A4 (en) | 2021-03-31 |
BR112020026830A2 (pt) | 2021-04-06 |
US20220394291A1 (en) | 2022-12-08 |
JP2021529471A (ja) | 2021-10-28 |
CA3104570C (en) | 2023-05-23 |
KR20230165870A (ko) | 2023-12-05 |
AU2019296308B2 (en) | 2023-04-06 |
WO2020001578A1 (en) | 2020-01-02 |
CN111886870A (zh) | 2020-11-03 |
US11363292B2 (en) | 2022-06-14 |
KR102606778B1 (ko) | 2023-11-29 |
EP3799693A1 (en) | 2021-04-07 |
WO2020001574A1 (en) | 2020-01-02 |
EP3794827A1 (en) | 2021-03-24 |
AU2019296308B9 (en) | 2023-08-03 |
KR20210019097A (ko) | 2021-02-19 |
JP2023014095A (ja) | 2023-01-26 |
US11451824B2 (en) | 2022-09-20 |
US20200404323A1 (en) | 2020-12-24 |
US20210195232A1 (en) | 2021-06-24 |
AU2019296308A1 (en) | 2021-01-21 |
CN111886870B (zh) | 2023-02-03 |
EP3799693A4 (en) | 2021-04-07 |
CN112292862A (zh) | 2021-01-29 |
CA3104570A1 (en) | 2020-01-02 |
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