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 US11190797B2 (en) 2019-03-01 2020-02-27 Constraints on decoder-side motion vector refinement based on weights for bi-predicted prediction
US16/803,520 2020-02-27
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=)

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CN113557740B (zh) 2019-03-08 2025-10-31 夏普株式会社 运动图像解码装置、运动图像编码装置以及运动图像解码方法
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US11936899B2 (en) * 2021-03-12 2024-03-19 Lemon Inc. Methods and systems for motion candidate derivation
US11671616B2 (en) 2021-03-12 2023-06-06 Lemon Inc. Motion candidate derivation
US12219166B2 (en) 2021-03-12 2025-02-04 Lemon Inc. Motion candidate derivation with search order and coding mode
CN117337567A (zh) * 2021-04-21 2024-01-02 抖音视界有限公司 用于视频处理的方法、设备和介质
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
WO2023131248A1 (en) * 2022-01-05 2023-07-13 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing
KR20240134300A (ko) * 2022-01-09 2024-09-09 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
KR20240137016A (ko) * 2022-01-13 2024-09-19 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
US20250211779A1 (en) * 2022-03-31 2025-06-26 Mediatek Inc. Bilateral template with multipass decoder side motion vector refinement
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Publication number Publication date
EP3932068A1 (en) 2022-01-05
TWI856066B (zh) 2024-09-21
BR112021015658A2 (pt) 2021-10-05
SG11202108316QA (en) 2021-09-29
US11190797B2 (en) 2021-11-30
TW202041002A (zh) 2020-11-01
JP2022521979A (ja) 2022-04-13
WO2020180685A1 (en) 2020-09-10
KR20210130154A (ko) 2021-10-29
CN113678452A (zh) 2021-11-19
CN113678452B (zh) 2024-09-13
JP7507166B2 (ja) 2024-06-27
US20200280736A1 (en) 2020-09-03

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