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MX2016011599A - Codificacion de nivel de coeficientes en un proceso de codificacion de video. - Google Patents

Codificacion de nivel de coeficientes en un proceso de codificacion de video.

Info

Publication number
MX2016011599A
MX2016011599A MX2016011599A MX2016011599A MX2016011599A MX 2016011599 A MX2016011599 A MX 2016011599A MX 2016011599 A MX2016011599 A MX 2016011599A MX 2016011599 A MX2016011599 A MX 2016011599A MX 2016011599 A MX2016011599 A MX 2016011599A
Authority
MX
Mexico
Prior art keywords
coding
codeword
golomb
absolute values
suffix
Prior art date
Application number
MX2016011599A
Other languages
English (en)
Other versions
MX363891B (es
Inventor
Karczewicz Marta
Laxman Joshi Rajan
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of MX2016011599A publication Critical patent/MX2016011599A/es
Publication of MX363891B publication Critical patent/MX363891B/es

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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
    • H04N19/10—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
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • 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
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/10—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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/1887—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 variable length codeword
    • 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
    • H04N19/70—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)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)

Abstract

Un dispositivo para codificar datos de video incluye una memoria configurada para almacenar datos de video, y al menos un procesador configurado para: determinar un número máximo de bits a ser utilizado al codificar un elemento de sintaxis que indica valores absolutos de coeficientes de transformación de una unidad de codificación de los datos de video, determinar un número máximo de bits de sufijo a ser utilizado al codificar una palabra de código de sufijo de codificación Golomb-Rice/Exponencial-Golomb de código del elemento de sintaxis, determinar un número máximo de bits de prefijo a ser utilizado al codificar una palabra de código de prefijo de codificación Golomb-Rice/Exponencial-Golomb unaria del elemento de sintaxis, determinar los valores absolutos de coeficientes de transformación para la unidad de codificación, codificar una palabra de código de prefijo para uno de los valores absolutos, y codificar una palabra de código de sufijo para uno de los valores absolutos, y codificar la unidad de codificación basado en la palabra de código de prefijo y la palabra de código de sufijo.
MX2016011599A 2014-03-14 2015-03-13 Codificacion de nivel de coeficientes en un proceso de codificacion de video. MX363891B (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201461953659P 2014-03-14 2014-03-14
US201461954404P 2014-03-17 2014-03-17
US14/656,071 US9930348B2 (en) 2014-03-14 2015-03-12 Coefficient level coding in a video coding process
PCT/US2015/020462 WO2015138911A1 (en) 2014-03-14 2015-03-13 Coefficient level coding in a video coding process

Publications (2)

Publication Number Publication Date
MX2016011599A true MX2016011599A (es) 2016-12-09
MX363891B MX363891B (es) 2019-04-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016011599A MX363891B (es) 2014-03-14 2015-03-13 Codificacion de nivel de coeficientes en un proceso de codificacion de video.

Country Status (13)

Country Link
US (1) US9930348B2 (es)
EP (1) EP3117525B1 (es)
JP (1) JP6527877B2 (es)
KR (1) KR102352638B1 (es)
CN (1) CN106105040B (es)
CR (1) CR20160423A (es)
DO (1) DOP2016000246A (es)
GT (1) GT201600184A (es)
MX (1) MX363891B (es)
NI (1) NI201600135A (es)
SV (1) SV2016005283A (es)
TW (1) TWI666916B (es)
WO (1) WO2015138911A1 (es)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2521828A (en) * 2013-12-23 2015-07-08 Sony Corp Data encoding and decoding
US10313684B2 (en) 2014-06-20 2019-06-04 Qualcomm Incorporated Copy from previous rows for palette mode coding
US10142629B2 (en) * 2015-12-28 2018-11-27 Mediatek Inc. Method and apparatus for entropy coding in image compression
US10602192B2 (en) * 2016-02-04 2020-03-24 Mediatek Inc. Methods and apparatuses for performing entropy encoding and entropy decoding with size determination of at least one bitstream portion
US20170311003A1 (en) * 2016-04-20 2017-10-26 Mediatek Inc. Method and apparatus for performing entropy encoding with sign data removal and associated method and apparatus for performing entropy decoding with sign data recovery
EP3457699B1 (en) * 2016-05-13 2023-09-20 Sony Group Corporation Image processing device and method
EP3777156B1 (en) 2018-03-29 2025-03-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Transform coefficient block coding
JP2021520728A (ja) * 2018-04-04 2021-08-19 カカドゥ アール アンド ディー ピーティーワイ リミテッド 画像圧縮のためのさらに改善された方法及び装置
CN116723334A (zh) * 2018-09-20 2023-09-08 Lg电子株式会社 图像解码设备、图像编码设备和比特流发送设备
KR102365119B1 (ko) * 2018-11-12 2022-02-18 엘지전자 주식회사 고주파 제로잉을 기반으로 변환 계수를 코딩하는 방법 및 그 장치
US11477486B2 (en) * 2019-01-02 2022-10-18 Qualcomm Incorporated Escape coding for coefficient levels
US10728555B1 (en) 2019-02-06 2020-07-28 Sony Corporation Embedded codec (EBC) circuitry for position dependent entropy coding of residual level data
CN113545070B (zh) 2019-03-08 2023-10-03 北京字节跳动网络技术有限公司 视频处理中整形信息的信令通知
CA3135521A1 (en) 2019-04-18 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Parameter derivation in cross component mode
CN117579841A (zh) 2019-04-23 2024-02-20 北京字节跳动网络技术有限公司 降低跨分量依赖性的方法
MX2024010853A (es) * 2019-04-24 2024-09-11 Panasonic Ip Corp America Codificador, decodificador, metodo de codificacion y metodo de decodificacion.
KR102641796B1 (ko) 2019-05-08 2024-03-04 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 교차-성분 코딩의 적용가능성에 대한 조건들
WO2020259427A1 (en) 2019-06-22 2020-12-30 Beijing Bytedance Network Technology Co., Ltd. Syntax element for chroma residual scaling
CN114128280B (zh) 2019-07-07 2023-11-14 北京字节跳动网络技术有限公司 色度残差缩放的信令通知
CN114467310B (zh) * 2019-08-31 2024-10-29 Lg电子株式会社 图像编译系统中残差数据编译的图像解码方法及其装置
CN114788277A (zh) * 2019-09-24 2022-07-22 北京达佳互联信息技术有限公司 残差和系数编解码的方法和装置
CN118945358A (zh) * 2019-09-25 2024-11-12 松下电器（美国）知识产权公司 编码装置、解码装置和比特流
MX2022004026A (es) * 2019-10-01 2022-05-02 Beijing Dajia Internet Information Tech Co Ltd Metodos y aparatos de codificacion residual y de coeficiente.
WO2021071188A1 (ko) * 2019-10-07 2021-04-15 엘지전자 주식회사 비디오/영상 코딩 시스템에서 엔트로피 코딩 방법 및 장치
US12015779B2 (en) 2019-10-07 2024-06-18 Lg Electronics Inc. Method and apparatus for deriving rice parameter in video/image coding system
WO2021118310A1 (ko) * 2019-12-13 2021-06-17 주식회사 케이티 비디오 신호 처리 방법 및 장치
US11228763B2 (en) * 2019-12-26 2022-01-18 Qualcomm Incorporated Residual coding to support both lossy and lossless coding
US20210203963A1 (en) * 2019-12-27 2021-07-01 Qualcomm Incorporated Equation-based rice parameter derivation for regular transform coefficients in video coding
GB2593543B (en) * 2020-03-27 2023-04-19 Canon Kk Video coding and decoding
CN115086656B (zh) * 2021-03-14 2025-03-28 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
CN116647673B (zh) * 2021-11-11 2024-10-29 杭州海康威视数字技术股份有限公司 一种视频编解码方法及装置
US12407836B2 (en) * 2022-02-08 2025-09-02 Synaptics Incorporated Lossless compression for low-latency video transmission in resource-constrained encoding environment
EP4633157A1 (en) * 2024-04-08 2025-10-15 InterDigital CE Patent Holdings, SAS Method and apparatus for encoding/decoding with exponential golomb coding

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4468858B2 (ja) * 2005-06-01 2010-05-26 オリンパスイメージング株式会社 データ符号化装置、データ符号化方法、プログラム
KR100718134B1 (ko) * 2005-07-21 2007-05-14 삼성전자주식회사 비트율에 적응적인 영상 데이터 이진 산술 부호화/복호화장치 및 방법
US20100150242A1 (en) * 2007-04-11 2010-06-17 Panasonic Corporation Image data decoding device and image data decoding method
KR101391601B1 (ko) * 2007-10-15 2014-05-07 삼성전자주식회사 최적의 임계치를 이용한 지수 골롬 이진화에 의한 영상부호화 방법 및 그 장치, 및 영상 복호화 방법 및 그 장치
JP4819940B2 (ja) * 2009-12-04 2011-11-24 株式会社日立国際電気 動画像符号化装置
US9288496B2 (en) * 2010-12-03 2016-03-15 Qualcomm Incorporated Video coding using function-based scan order for transform coefficients
US10499059B2 (en) * 2011-03-08 2019-12-03 Velos Media, Llc Coding of transform coefficients for video coding
HRP20190301T1 (hr) * 2011-06-28 2019-04-05 Samsung Electronics Co., Ltd Postupak za dekodiranje video zapisa korištenjem aritmetičkog dekodiranja
US9641835B2 (en) * 2011-11-08 2017-05-02 Google Technology Holdings LLC Method of determining binary codewords for transform coefficients
JP5603525B2 (ja) * 2012-06-22 2014-10-08 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 画像符号化方法、及び画像符号化装置
WO2014103182A1 (ja) * 2012-12-27 2014-07-03 日本電気株式会社 映像符号化装置、映像符号化方法および映像符号化プログラム

Also Published As

Publication number Publication date
NI201600135A (es) 2016-11-18
US9930348B2 (en) 2018-03-27
CR20160423A (es) 2016-12-20
JP2017514349A (ja) 2017-06-01
MX363891B (es) 2019-04-05
EP3117525A1 (en) 2017-01-18
WO2015138911A1 (en) 2015-09-17
CN106105040A (zh) 2016-11-09
KR20160133509A (ko) 2016-11-22
JP6527877B2 (ja) 2019-06-05
TW201547256A (zh) 2015-12-16
DOP2016000246A (es) 2016-12-30
SV2016005283A (es) 2017-04-24
KR102352638B1 (ko) 2022-01-17
US20150264362A1 (en) 2015-09-17
GT201600184A (es) 2018-11-27
TWI666916B (zh) 2019-07-21
CN106105040B (zh) 2019-11-19
EP3117525B1 (en) 2022-08-17

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