SG11202108316QA - Constraints on decoder-side motion vector refinement - Google Patents

Constraints on decoder-side motion vector refinement

Info

Publication number
SG11202108316QA
SG11202108316QA SG11202108316QA SG11202108316QA SG11202108316QA SG 11202108316Q A SG11202108316Q A SG 11202108316QA SG 11202108316Q A SG11202108316Q A SG 11202108316QA SG 11202108316Q A SG11202108316Q A SG 11202108316QA SG 11202108316Q A SG11202108316Q A SG 11202108316QA
Authority
SG
Singapore
Prior art keywords
constraints
decoder
motion vector
side motion
vector refinement
Prior art date
Application number
SG11202108316QA
Other languages
English (en)
Inventor
Hongtao Wang
Wei-Jung Chien
Marta Karczewicz
Han Huang
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 SG11202108316QA publication Critical patent/SG11202108316QA/en

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
    • H04N19/577—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
    • H04N19/10—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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/503—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SG11202108316QA 2019-03-01 2020-02-28 Constraints on decoder-side motion vector refinement SG11202108316QA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962812828P 2019-03-01 2019-03-01
US16/803,520 US11190797B2 (en) 2019-03-01 2020-02-27 Constraints on decoder-side motion vector refinement based on weights for bi-predicted prediction
PCT/US2020/020392 WO2020180685A1 (en) 2019-03-01 2020-02-28 Constraints on decoder-side motion vector refinement

Publications (1)

Publication Number Publication Date
SG11202108316QA true SG11202108316QA (en) 2021-09-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202108316QA SG11202108316QA (en) 2019-03-01 2020-02-28 Constraints on decoder-side motion vector refinement

Country Status (9)

Country Link
US (1) US11190797B2 (enExample)
EP (1) EP3932068A1 (enExample)
JP (1) JP7507166B2 (enExample)
KR (1) KR102662462B1 (enExample)
CN (1) CN113678452B (enExample)
BR (1) BR112021015658A2 (enExample)
SG (1) SG11202108316QA (enExample)
TW (1) TWI856066B (enExample)
WO (1) WO2020180685A1 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG11202013028PA (en) 2018-06-29 2021-01-28 Beijing Bytedance Network Technology Co Ltd Interaction between lut and amvp
JP7275286B2 (ja) * 2019-01-10 2023-05-17 北京字節跳動網絡技術有限公司 Ｌｕｔ更新の起動
CN113545076A (zh) * 2019-03-03 2021-10-22 北京字节跳动网络技术有限公司 基于图片头中的信息启用bio
KR20210127709A (ko) * 2019-03-07 2021-10-22 디지털인사이트 주식회사 영상 부호화/복호화 방법 및 장치
US12069287B2 (en) 2019-03-08 2024-08-20 Sharp Kabushiki Kaisha Video decoding apparatus
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
AU2020293843B2 (en) * 2019-06-14 2023-12-07 Lg Electronics Inc. Image decoding method and device for deriving weight index information for generation of prediction sample
EP3985968A4 (en) * 2019-06-17 2023-05-24 Electronics and Telecommunications Research Institute Intra block copy-based encoding/decoding method, device, and bitstream storage medium
US11399188B2 (en) * 2020-01-01 2022-07-26 Tencent America LLC Method for mixed NAL unit type support in a coded picture
US11671616B2 (en) 2021-03-12 2023-06-06 Lemon Inc. Motion candidate derivation
US11936899B2 (en) * 2021-03-12 2024-03-19 Lemon Inc. Methods and systems for motion candidate derivation
US12219166B2 (en) 2021-03-12 2025-02-04 Lemon Inc. Motion candidate derivation with search order and coding mode
US12212736B2 (en) * 2021-06-30 2025-01-28 Qualcomm Incorporated Using unrefined motion vectors for performing decoder-side motion vector derivation
US12108076B2 (en) 2021-11-01 2024-10-01 Tencent America LLC Index reordering of bi-prediction with CU-level weight (BCW) by using template-matching
CN118765502A (zh) * 2022-01-05 2024-10-11 抖音视界有限公司 用于视频处理的方法、装置及介质
KR20240134300A (ko) * 2022-01-09 2024-09-09 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
EP4465634A1 (en) * 2022-01-13 2024-11-20 LG Electronics Inc. Image encoding/decoding method and apparatus, and recording medium having bitstream stored thereon
WO2023171912A1 (ko) * 2022-03-07 2023-09-14 현대자동차주식회사 비디오 프레임 경계에서의 예측블록 생성
US20250211779A1 (en) * 2022-03-31 2025-06-26 Mediatek Inc. Bilateral template with multipass decoder side motion vector refinement
WO2024083197A1 (en) * 2022-10-20 2024-04-25 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
WO2024152385A1 (zh) * 2023-01-20 2024-07-25 Oppo广东移动通信有限公司 编解码方法、码流、编码器、解码器以及存储介质

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017197146A1 (en) * 2016-05-13 2017-11-16 Vid Scale, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding
CN105939475A (zh) * 2016-06-06 2016-09-14 中国矿业大学 一种高质量边信息生成方法
US10750203B2 (en) * 2016-12-22 2020-08-18 Mediatek Inc. Method and apparatus of adaptive bi-prediction for video coding
US12063387B2 (en) * 2017-01-05 2024-08-13 Hfi Innovation Inc. Decoder-side motion vector restoration for video coding
US10701366B2 (en) * 2017-02-21 2020-06-30 Qualcomm Incorporated Deriving motion vector information at a video decoder
US10701391B2 (en) * 2017-03-23 2020-06-30 Qualcomm Incorporated Motion vector difference (MVD) prediction
US10602180B2 (en) 2017-06-13 2020-03-24 Qualcomm Incorporated Motion vector prediction
GB2589222B (en) * 2018-06-07 2023-01-25 Beijing Bytedance Network Tech Co Ltd Sub-block DMVR
TWI719519B (zh) * 2018-07-02 2021-02-21 大陸商北京字節跳動網絡技術有限公司 對於dmvr的塊尺寸限制
TW202029755A (zh) 2018-09-26 2020-08-01 美商Ｖｉｄ衡器股份有限公司 視訊編碼雙預測
CN112913240B (zh) * 2018-10-22 2024-08-06 北京字节跳动网络技术有限公司 解码器侧运动矢量推导和其他编解码工具之间的并置
US11153590B2 (en) * 2019-01-11 2021-10-19 Tencent America LLC Method and apparatus for video coding
US11140409B2 (en) * 2019-03-22 2021-10-05 Lg Electronics Inc. DMVR and BDOF based inter prediction method and apparatus thereof
US11039150B2 (en) * 2019-04-19 2021-06-15 Tencent America LLC Method and apparatus for video coding

Also Published As

Publication number Publication date
TWI856066B (zh) 2024-09-21
KR102662462B1 (ko) 2024-04-30
JP2022521979A (ja) 2022-04-13
US11190797B2 (en) 2021-11-30
WO2020180685A1 (en) 2020-09-10
CN113678452B (zh) 2024-09-13
KR20210130154A (ko) 2021-10-29
CN113678452A (zh) 2021-11-19
JP7507166B2 (ja) 2024-06-27
BR112021015658A2 (pt) 2021-10-05
EP3932068A1 (en) 2022-01-05
US20200280736A1 (en) 2020-09-03
TW202041002A (zh) 2020-11-01

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