JP7507166B2 - デコーダ側動きベクトル改良に対する制約 - Google Patents

デコーダ側動きベクトル改良に対する制約 Download PDF

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JP7507166B2
JP7507166B2 JP2021549850A JP2021549850A JP7507166B2 JP 7507166 B2 JP7507166 B2 JP 7507166B2 JP 2021549850 A JP2021549850 A JP 2021549850A JP 2021549850 A JP2021549850 A JP 2021549850A JP 7507166 B2 JP7507166 B2 JP 7507166B2
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motion vector
block
prediction
predicted
video
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JP2022521979A (ja
JPWO2020180685A5 (enExample
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ワン、ホンタオ
チェン、ウェイ－ジュン
カルチェビチ、マルタ
ファン、ハン
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Qualcomm Inc
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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
    • H04N19/169—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021549850A 2019-03-01 2020-02-28 デコーダ側動きベクトル改良に対する制約 Active JP7507166B2 (ja)

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

Publications (3)

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JP2022521979A JP2022521979A (ja) 2022-04-13
JPWO2020180685A5 JPWO2020180685A5 (enExample) 2023-02-09
JP7507166B2 true JP7507166B2 (ja) 2024-06-27

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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)

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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
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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

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TWI856066B (zh) 2024-09-21
KR102662462B1 (ko) 2024-04-30
JP2022521979A (ja) 2022-04-13
SG11202108316QA (en) 2021-09-29
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
BR112021015658A2 (pt) 2021-10-05
EP3932068A1 (en) 2022-01-05
US20200280736A1 (en) 2020-09-03
TW202041002A (zh) 2020-11-01

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