KR102662462B1 - 디코더측 모션 벡터 정제에 대한 제약들 - Google Patents

디코더측 모션 벡터 정제에 대한 제약들 Download PDF

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KR102662462B1
KR102662462B1 KR1020217027205A KR20217027205A KR102662462B1 KR 102662462 B1 KR102662462 B1 KR 102662462B1 KR 1020217027205 A KR1020217027205 A KR 1020217027205A KR 20217027205 A KR20217027205 A KR 20217027205A KR 102662462 B1 KR102662462 B1 KR 102662462B1
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prediction
motion vector
video data
video
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KR20210130154A (ko
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홍타오 왕
웨이-정 치엔
마르타 카르체비츠
한 황
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퀄컴 인코포레이티드
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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
    • H04N19/50—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020217027205A 2019-03-01 2020-02-28 디코더측 모션 벡터 정제에 대한 제약들 Active KR102662462B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962812828P 2019-03-01 2019-03-01
US62/812,828 2019-03-01
US16/803,520 2020-02-27
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

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KR20210130154A KR20210130154A (ko) 2021-10-29
KR102662462B1 true KR102662462B1 (ko) 2024-04-30

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

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102627814B1 (ko) 2018-06-29 2024-01-23 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 룩업 테이블의 업데이트: fifo, 제약된 fifo
KR102680903B1 (ko) 2018-06-29 2024-07-04 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 Hmvp 후보를 병합/amvp에 추가할 때의 부분/풀 프루닝
SG11202013028PA (en) 2018-06-29 2021-01-28 Beijing Bytedance Network Technology Co Ltd Interaction between lut and amvp
KR102648159B1 (ko) * 2019-01-10 2024-03-18 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 Lut 업데이트의 호출
CN113330739B (zh) 2019-01-16 2025-01-10 北京字节跳动网络技术有限公司 Lut中的运动候选的插入顺序
WO2020177684A1 (en) * 2019-03-03 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Enabling dmvr based on the information in the picture header
CN120568044A (zh) * 2019-03-07 2025-08-29 数字洞察力有限公司 图像编码/解码方法和传输比特流的方法
JP7555328B2 (ja) 2019-03-08 2024-09-24 シャープ株式会社 動画像復号装置、動画像符号化装置、および動画像復号方法
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
KR20250076671A (ko) * 2019-06-14 2025-05-29 엘지전자 주식회사 예측 샘플을 생성하기 위한 가중치 인덱스 정보를 도출하는 영상 디코딩 방법 및 그 장치
US12058368B2 (en) * 2019-06-17 2024-08-06 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
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
US11671616B2 (en) 2021-03-12 2023-06-06 Lemon Inc. Motion candidate derivation
US20240187633A1 (en) * 2021-04-21 2024-06-06 Beijing Bytedance Network Technology Co., Ltd. Method, device, and medium for video processing
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
US20250106381A1 (en) * 2022-01-09 2025-03-27 Lg Electronics Inc. Image encoding/decoding method and device, and recording medium having bitstream stored thereon
WO2023136655A1 (ko) * 2022-01-13 2023-07-20 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2023171912A1 (ko) * 2022-03-07 2023-09-14 현대자동차주식회사 비디오 프레임 경계에서의 예측블록 생성
WO2023186040A1 (en) * 2022-03-31 2023-10-05 Mediatek Inc. Bilateral template with multipass decoder side motion vector refinement
EP4606112A1 (en) * 2022-10-20 2025-08-27 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
KR20250136386A (ko) * 2023-01-20 2025-09-16 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 인코딩 및 디코딩 방법, 비트 스트림, 인코더, 디코더 및 저장 매체

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180359483A1 (en) * 2017-06-13 2018-12-13 Qualcomm Incorporated Motion vector prediction

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11363253B2 (en) * 2016-05-13 2022-06-14 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
WO2019234676A1 (en) * 2018-06-07 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Mv precision refine
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
CN112913241B (zh) * 2018-10-22 2024-03-26 北京字节跳动网络技术有限公司 解码器侧运动矢量推导的限制
US11153590B2 (en) * 2019-01-11 2021-10-19 Tencent America LLC Method and apparatus for video coding
CN111989925B (zh) * 2019-03-22 2024-04-26 罗斯德尔动力有限责任公司 基于dmvr和bdof的帧间预测方法及其设备
US11039150B2 (en) * 2019-04-19 2021-06-15 Tencent America LLC Method and apparatus for video coding

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180359483A1 (en) * 2017-06-13 2018-12-13 Qualcomm Incorporated Motion vector prediction

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
CHEN J ET AL: "Algorithm description for Versatile Video Coding and Test Model 4 (VTM 4)", JVET of ITU-T and ISO/IEC, JVET-M1002-v1(2019.02.16.)*
C-W HSU ET AL: "Description of SDR video coding technology proposal by MediaTek", JVET of ITU-T and ISO/IEC, JVET-J0018-v2(2018.04.11.)*
X. Xiu ET AL: "Description of SDR, HDR, and 360° video coding technology proposal by InterDigital Communications and Dolby Laboratories", JVET of ITU-T and ISO/IEC, JVET-J0015-v1(2018.04.14.)*

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US11190797B2 (en) 2021-11-30
US20200280736A1 (en) 2020-09-03
SG11202108316QA (en) 2021-09-29
JP2022521979A (ja) 2022-04-13
BR112021015658A2 (pt) 2021-10-05
KR20210130154A (ko) 2021-10-29
JP7507166B2 (ja) 2024-06-27
TWI856066B (zh) 2024-09-21
CN113678452B (zh) 2024-09-13
WO2020180685A1 (en) 2020-09-10
CN113678452A (zh) 2021-11-19
TW202041002A (zh) 2020-11-01
EP3932068A1 (en) 2022-01-05

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