TWI856066B - 解碼器側運動向量精緻化之限制 - Google Patents

解碼器側運動向量精緻化之限制 Download PDF

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Publication number
TWI856066B
TWI856066B TW109106792A TW109106792A TWI856066B TW I856066 B TWI856066 B TW I856066B TW 109106792 A TW109106792 A TW 109106792A TW 109106792 A TW109106792 A TW 109106792A TW I856066 B TWI856066 B TW I856066B
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TW
Taiwan
Prior art keywords
prediction
block
motion vector
video
predicted
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TW109106792A
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English (en)
Chinese (zh)
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TW202041002A (zh
Inventor
王鴻滔
錢威俊
馬塔 卡茲維克茲
黃漢
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美商高通公司
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Publication of TW202041002A publication Critical patent/TW202041002A/zh
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • H04N19/463Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/523Motion estimation or motion compensation with sub-pixel accuracy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion 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)
TW109106792A 2019-03-01 2020-03-02 解碼器側運動向量精緻化之限制 TWI856066B (zh)

Applications Claiming Priority (4)

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

Publications (2)

Publication Number Publication Date
TW202041002A TW202041002A (zh) 2020-11-01
TWI856066B true TWI856066B (zh) 2024-09-21

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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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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
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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
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Publication number Publication date
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
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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