KR102448535B1 - 변환 계수 레벨 코딩 방법 및 그 장치 - Google Patents

변환 계수 레벨 코딩 방법 및 그 장치 Download PDF

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KR102448535B1
KR102448535B1 KR1020207011526A KR20207011526A KR102448535B1 KR 102448535 B1 KR102448535 B1 KR 102448535B1 KR 1020207011526 A KR1020207011526 A KR 1020207011526A KR 20207011526 A KR20207011526 A KR 20207011526A KR 102448535 B1 KR102448535 B1 KR 102448535B1
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transform coefficient
coefficient level
value
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최정아
김승환
유선미
최장원
허진
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엘지전자 주식회사
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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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • 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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/10—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
    • H04N19/18—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 a set of transform coefficients
    • 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
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
KR1020207011526A 2018-09-20 2019-09-20 변환 계수 레벨 코딩 방법 및 그 장치 Active KR102448535B1 (ko)

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KR1020227033193A KR102616533B1 (ko) 2018-09-20 2019-09-20 변환 계수 레벨 코딩 방법 및 그 장치

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US201862734233P 2018-09-20 2018-09-20
US62/734,233 2018-09-20
US201862734266P 2018-09-21 2018-09-21
US62/734,266 2018-09-21
PCT/KR2019/012226 WO2020060282A1 (ko) 2018-09-20 2019-09-20 변환 계수 레벨 코딩 방법 및 그 장치

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KR1020237043624A Active KR102830067B1 (ko) 2018-09-20 2019-09-20 변환 계수 레벨 코딩 방법 및 그 장치
KR1020227033193A Active KR102616533B1 (ko) 2018-09-20 2019-09-20 변환 계수 레벨 코딩 방법 및 그 장치
KR1020257022021A Pending KR20250107962A (ko) 2018-09-20 2019-09-20 변환 계수 레벨 코딩 방법 및 그 장치

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KR1020227033193A Active KR102616533B1 (ko) 2018-09-20 2019-09-20 변환 계수 레벨 코딩 방법 및 그 장치
KR1020257022021A Pending KR20250107962A (ko) 2018-09-20 2019-09-20 변환 계수 레벨 코딩 방법 및 그 장치

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US (4) US11095897B2 (https=)
EP (1) EP3691272A4 (https=)
JP (4) JP7222997B2 (https=)
KR (4) KR102448535B1 (https=)
CN (3) CN116723334A (https=)
BR (1) BR112021005152A2 (https=)
MX (3) MX2021003245A (https=)
WO (1) WO2020060282A1 (https=)

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CN117201787A (zh) 2018-09-11 2023-12-08 Lg电子株式会社 图像解码方法、图像编码方法和比特流发送方法
PL3843402T3 (pl) 2018-09-21 2024-06-24 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Sposób kodowania/dekodowania sygnału obrazu i urządzenie do nich
KR102795463B1 (ko) * 2018-09-24 2025-04-15 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 종속 스칼라 양자화를 사용하거나 이와 조합하는 데에 적합한 변환 계수의 효율적인 코딩
KR102755805B1 (ko) * 2018-10-05 2025-01-21 비보 모바일 커뮤니케이션 컴퍼니 리미티드 변환 계수 코딩 방법 및 그 장치
CN113316934B (zh) * 2019-01-25 2024-03-08 寰发股份有限公司 带有变换块级别约束的变换系数编码的方法和设备
CA3178729A1 (en) * 2020-03-31 2021-10-07 Lg Electronics Inc. Image decoding method for coding image information including tsrc available flag, and device therefor
FR3113219B1 (fr) * 2020-07-29 2022-07-29 Sagemcom Energy & Telecom Sas Procédé de transmission de mesures permettant de réduire la charge du réseau
CN116095329A (zh) * 2021-02-21 2023-05-09 腾讯科技（深圳）有限公司 视频编解码方法、装置、计算机可读介质及电子设备

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KR20230175339A (ko) 2023-12-29
JP7222997B2 (ja) 2023-02-15
KR20200055084A (ko) 2020-05-20
JP2023041886A (ja) 2023-03-24
MX2021003245A (es) 2021-05-12
US20200252616A1 (en) 2020-08-06
MX2024010612A (es) 2024-09-06
MX2024010611A (es) 2024-09-06
EP3691272A4 (en) 2021-03-10
CN116723334A (zh) 2023-09-08
US12160581B2 (en) 2024-12-03
US11490088B2 (en) 2022-11-01
KR102616533B1 (ko) 2023-12-20
JP7775509B2 (ja) 2025-11-25
KR20220133330A (ko) 2022-10-04
US20230308653A1 (en) 2023-09-28
JP7682219B2 (ja) 2025-05-23
US11095897B2 (en) 2021-08-17
CN111373753B (zh) 2023-09-08
JP2025065207A (ja) 2025-04-17
KR20250107962A (ko) 2025-07-14
CN116708825A (zh) 2023-09-05
KR102830067B1 (ko) 2025-07-03
WO2020060282A1 (ko) 2020-03-26
BR112021005152A2 (pt) 2021-06-15
CN111373753A (zh) 2020-07-03
US11706419B2 (en) 2023-07-18
JP2021503247A (ja) 2021-02-04
US20230023002A1 (en) 2023-01-26
US20210337206A1 (en) 2021-10-28
JP2025170001A (ja) 2025-11-14
EP3691272A1 (en) 2020-08-05

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