MX2021003245A - Metodo de codificacion de nivel del factor de conversion y dispositivo del mismo. - Google Patents

Metodo de codificacion de nivel del factor de conversion y dispositivo del mismo.

Info

Publication number
MX2021003245A
MX2021003245A MX2021003245A MX2021003245A MX2021003245A MX 2021003245 A MX2021003245 A MX 2021003245A MX 2021003245 A MX2021003245 A MX 2021003245A MX 2021003245 A MX2021003245 A MX 2021003245A MX 2021003245 A MX2021003245 A MX 2021003245A
Authority
MX
Mexico
Prior art keywords
conversion factor
coding method
device therefor
level coding
factor level
Prior art date
Application number
MX2021003245A
Other languages
English (en)
Inventor
Jin Heo
Sunmi Yoo
Seunghwan Kim
Jangwon Choi
Jungah Choi
Original Assignee
Lg Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of MX2021003245A publication Critical patent/MX2021003245A/es

Links

Classifications

    • 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
    • H04N19/13—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
    • H04N19/12—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

Landscapes

  • 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)

Abstract

La presente invención se refiere a un método para decodificar una imagen por un dispositivo de decodificación de conformidad con la presente descripción que comprende los pasos de: recibir un flujo de bits que incluye información residual; derivar un factor de conversión cuantificado de un bloque actual con base en la información residual incluida en el flujo de bits; derivar una muestra residual del bloque actual con base en el factor de conversión cuantificado; y generar una imagen reconstruida con base en la muestra residual del bloque actual.
MX2021003245A 2018-09-20 2019-09-20 Metodo de codificacion de nivel del factor de conversion y dispositivo del mismo. MX2021003245A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862734233P 2018-09-20 2018-09-20
US201862734266P 2018-09-21 2018-09-21
PCT/KR2019/012226 WO2020060282A1 (ko) 2018-09-20 2019-09-20 변환 계수 레벨 코딩 방법 및 그 장치

Publications (1)

Publication Number Publication Date
MX2021003245A true MX2021003245A (es) 2021-05-12

Family

ID=69887664

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021003245A MX2021003245A (es) 2018-09-20 2019-09-20 Metodo de codificacion de nivel del factor de conversion y dispositivo del mismo.

Country Status (8)

Country Link
US (4) US11095897B2 (es)
EP (1) EP3691272A4 (es)
JP (2) JP7222997B2 (es)
KR (3) KR102616533B1 (es)
CN (3) CN111373753B (es)
BR (1) BR112021005152A2 (es)
MX (1) MX2021003245A (es)
WO (1) WO2020060282A1 (es)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR122021008882B1 (pt) * 2018-09-11 2021-12-21 Lg Electronics Inc Método de codificação residual e dispositivo para o mesmo
EP4340356A3 (en) 2018-09-21 2024-05-29 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Image signal encoding/decoding method and apparatus therefor
KR102613155B1 (ko) * 2018-09-24 2023-12-13 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 종속 스칼라 양자화를 사용하거나 이와 조합하는 데에적합한 변환 계수의 효율적인 코딩
KR20230165360A (ko) * 2018-10-05 2023-12-05 엘지전자 주식회사 변환 계수 코딩 방법 및 그 장치
US11595656B2 (en) * 2019-01-25 2023-02-28 Hfi Innovation Inc. Method and apparatus of transform coefficient coding with TB-level constraint
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

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107835419B (zh) * 2011-10-18 2021-05-14 株式会社Kt 视频信号解码方法
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
AU2013250108B2 (en) * 2012-04-15 2015-11-05 Samsung Electronics Co., Ltd. Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same
CN107809645B (zh) * 2012-06-22 2021-12-03 威勒斯媒体国际有限公司 图像解码方法及图像解码设备
US9088769B2 (en) 2012-06-28 2015-07-21 Blackberry Limited Reduced worst-case context-coded bins in video compression with parity hiding
US9930348B2 (en) * 2014-03-14 2018-03-27 Qualcomm Incorporated Coefficient level coding in a video coding process
KR102333000B1 (ko) * 2015-01-15 2021-12-01 한국전자통신연구원 고속 변환 계수 부호화 방법 및 장치
WO2020007785A1 (en) * 2018-07-02 2020-01-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Entropy coding of transform coefficients suitable for dependent scalar quantization
WO2020038311A1 (en) * 2018-08-22 2020-02-27 Mediatek Inc. Method and apparatus of transform coefficient coding
US11483575B2 (en) * 2018-08-24 2022-10-25 Hfi Innovation Inc. Coding transform coefficients with throughput constraints
US11336918B2 (en) * 2018-09-05 2022-05-17 Qualcomm Incorporated Regular coded bin reduction for coefficient coding
WO2020054713A1 (en) 2018-09-11 2020-03-19 Sharp Kabushiki Kaisha Systems and methods for coding transform coefficient level values

Also Published As

Publication number Publication date
US20230308653A1 (en) 2023-09-28
US20230023002A1 (en) 2023-01-26
KR102616533B1 (ko) 2023-12-20
US20210337206A1 (en) 2021-10-28
JP2021503247A (ja) 2021-02-04
JP7222997B2 (ja) 2023-02-15
EP3691272A1 (en) 2020-08-05
KR20220133330A (ko) 2022-10-04
KR20200055084A (ko) 2020-05-20
CN116708825A (zh) 2023-09-05
EP3691272A4 (en) 2021-03-10
WO2020060282A1 (ko) 2020-03-26
KR20230175339A (ko) 2023-12-29
US11490088B2 (en) 2022-11-01
US11706419B2 (en) 2023-07-18
JP2023041886A (ja) 2023-03-24
KR102448535B1 (ko) 2022-09-28
CN111373753B (zh) 2023-09-08
CN111373753A (zh) 2020-07-03
BR112021005152A2 (pt) 2021-06-15
CN116723334A (zh) 2023-09-08
US20200252616A1 (en) 2020-08-06
US11095897B2 (en) 2021-08-17

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