CN116723334A - 图像解码设备、图像编码设备和比特流发送设备 - Google Patents

图像解码设备、图像编码设备和比特流发送设备 Download PDF

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Publication number
CN116723334A
CN116723334A CN202310922346.6A CN202310922346A CN116723334A CN 116723334 A CN116723334 A CN 116723334A CN 202310922346 A CN202310922346 A CN 202310922346A CN 116723334 A CN116723334 A CN 116723334A
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China
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flag
transform coefficient
level
abs
encoding
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Pending
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CN202310922346.6A
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English (en)
Chinese (zh)
Inventor
崔情娥
金昇焕
柳先美
崔璋元
许镇
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Nokia Technologies Oy
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LG Electronics Inc
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Publication of CN116723334A publication Critical patent/CN116723334A/zh
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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
    • H04N19/18—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
    • H04N19/50—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
    • H04N19/13—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
    • H04N19/10—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
    • H04N19/46—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)
CN202310922346.6A 2018-09-20 2019-09-20 图像解码设备、图像编码设备和比特流发送设备 Pending CN116723334A (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
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
CN201980005874.7A CN111373753B (zh) 2018-09-20 2019-09-20 变换因子级别编码方法及其装置
PCT/KR2019/012226 WO2020060282A1 (ko) 2018-09-20 2019-09-20 변환 계수 레벨 코딩 방법 및 그 장치

Related Parent Applications (1)

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CN201980005874.7A Division CN111373753B (zh) 2018-09-20 2019-09-20 变换因子级别编码方法及其装置

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CN116723334A true CN116723334A (zh) 2023-09-08

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CN202310922346.6A Pending CN116723334A (zh) 2018-09-20 2019-09-20 图像解码设备、图像编码设备和比特流发送设备
CN201980005874.7A Active CN111373753B (zh) 2018-09-20 2019-09-20 变换因子级别编码方法及其装置
CN202310920227.7A Pending CN116708825A (zh) 2018-09-20 2019-09-20 图像解码方法、图像编码方法和数据发送方法

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CN202310920227.7A Pending CN116708825A (zh) 2018-09-20 2019-09-20 图像解码方法、图像编码方法和数据发送方法

Country Status (8)

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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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* Cited by examiner, † Cited by third party
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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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KR101762294B1 (ko) * 2011-10-18 2017-07-28 주식회사 케이티 영상 부호화 방법, 영상 복호화 방법, 영상 부호화기 및 영상 복호화기
US9503717B2 (en) 2012-01-09 2016-11-22 Texas Instruments Incorporated Context adaptive binary arithmetic coding (CABAC) with scalable throughput and coding efficiency
US9191670B2 (en) 2012-01-17 2015-11-17 Qualcomm Incorporated Throughput improvement for CABAC coefficient level coding
RU2632409C1 (ru) * 2012-04-15 2017-10-04 Самсунг Электроникс Ко., Лтд. Способ обновления параметров для энтропийного кодирования и декодирования уровня коэффициентов преобразования, а также устройство энтропийного кодирования и устройство энтропийного декодирования уровня коэффициентов преобразования с его использованием
KR102073399B1 (ko) * 2012-06-22 2020-02-05 벨로스 미디어 인터내셔널 리미티드 화상 부호화 방법, 화상 복호 방법, 화상 부호화 장치, 화상 복호 장치 및 화상 부호화 복호 장치
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KR20230175339A (ko) 2023-12-29
JP7222997B2 (ja) 2023-02-15
KR20200055084A (ko) 2020-05-20
JP2023041886A (ja) 2023-03-24
KR102448535B1 (ko) 2022-09-28
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
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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