GT201600184A - Codificación del nivel de coeficiente en un proceso de codificación de video - Google Patents

Codificación del nivel de coeficiente en un proceso de codificación de video

Info

Publication number
GT201600184A
GT201600184A GT201600184A GT201600184A GT201600184A GT 201600184 A GT201600184 A GT 201600184A GT 201600184 A GT201600184 A GT 201600184A GT 201600184 A GT201600184 A GT 201600184A GT 201600184 A GT201600184 A GT 201600184A
Authority
GT
Guatemala
Prior art keywords
coding
code
suffix
golomb
bits
Prior art date
Application number
GT201600184A
Other languages
English (en)
Inventor
Rajan Laxman Joshi
Marta Karczewicz
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 GT201600184A publication Critical patent/GT201600184A/es

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Classifications

    • 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
    • H04N19/18—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
    • H04N19/10—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

LA PRESENTE INVENCIÓN DESCRIBE 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 PARA USAR CUANDO SE CODIFICA UN ELEMENTO DE SINTAXIS QUE INDICA LOS VALORES ABSOLUTOS DE COEFICIENTES DE TRANSFORMACIÓN DE UNA UNIDAD DE CODIFICACIÓN DE LOS DATOS DE VIDEO, DETERMINAR UN NÚMERO MÁXIMO DE BITS DEL SUFIJO PARA USAR QUE CODIFICAN UNA PALABRA CÓDIGO DEL SUFIJO POR CODIFICACIÓN DE GOLOMB-RICE/GOLOMB EXPONENCIAL DEL ELEMENTO DE SINTAXIS, DETERMINAR UN NÚMERO MÁXIMO DE BITS DEL PREFIJO PARA USAR CUANDO SE CODIFICA UNA PALABRA CÓDIGO DEL PREFIJO POR CODIFICACIÓN DE GOLOMB-RICE/GOLOMB EXPONENCIAL UNARIO DEL ELEMENTO DE SINTAXIS, DETERMINAR LOS VALORES ABSOLUTOS DE COEFICIENTES DE TRANSFORMACIÓN PARA LA UNIDAD DE CODIFICACIÓN, CODIFICAR UNA PALABRA CÓDIGO DEL PREFIJO PARA UNO DE LOS VALORES ABSOLUTOS, Y CODIFICAR UNA PALABRA CÓDIGO DEL SUFIJO PARA UNO DE LOS VALORES ABSOLUTOS, Y CODIFICAR LA UNIDAD DE CODIFICACIÓN SOBRE LA BASE DE LA PALABRA CÓDIGO DEL PREFIJO Y LA PALABRA CÓDIGO DEL SUFIJO.
GT201600184A 2014-03-14 2016-09-14 Codificación del nivel de coeficiente en un proceso de codificación de video GT201600184A (es)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
GT201600184A true GT201600184A (es) 2018-11-27

Family

ID=54070437

Family Applications (1)

Application Number Title Priority Date Filing Date
GT201600184A GT201600184A (es) 2014-03-14 2016-09-14 Codificación del nivel de coeficiente en un proceso de codificación 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 (22)

* 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
CN109076242B (zh) * 2016-05-13 2023-01-03 索尼公司 图像处理设备和方法
WO2019185818A1 (en) 2018-03-29 2019-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Transform coefficient block coding
WO2019191811A1 (en) * 2018-04-04 2019-10-10 Kakadu R & D Pty Ltd A further improved method and apparatus for image compression
JP7222997B2 (ja) * 2018-09-20 2023-02-15 エルジー エレクトロニクス インコーポレイティド 変換係数レベルコーディング方法およびその装置
WO2020101321A1 (ko) * 2018-11-12 2020-05-22 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
KR102639936B1 (ko) 2019-03-08 2024-02-22 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 처리에서 모델-기반 변형에 대한 제약들
JP7317991B2 (ja) 2019-04-23 2023-07-31 北京字節跳動網絡技術有限公司 クロスコンポーネント依存性を低減するための方法
JP7418478B2 (ja) 2019-06-22 2024-01-19 北京字節跳動網絡技術有限公司 クロマ残差スケーリングのためのシンタックス要素
CN117395396A (zh) 2019-07-07 2024-01-12 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
JP7201873B2 (ja) * 2019-09-24 2023-01-10 ベイジン ダジア インターネット インフォメーション テクノロジー カンパニー リミテッド 残差及び係数符号化の方法、プログラム並びに装置
BR112022002916A2 (pt) * 2019-09-25 2022-05-10 Panasonic Ip Corp America Codificador, decodificador, método de codificação e método de decodificação
US20240080480A1 (en) * 2019-10-07 2024-03-07 Lg Electronics Inc. Entropy coding method and device in video/image coding system
WO2021071187A1 (ko) * 2019-10-07 2021-04-15 엘지전자 주식회사 비디오/영상 코딩 시스템에서 라이스 파라미터 도출 방법 및 장치
WO2021118310A1 (ko) * 2019-12-13 2021-06-17 주식회사 케이티 비디오 신호 처리 방법 및 장치
US20230254493A1 (en) * 2022-02-08 2023-08-10 Synaptics Incorporated Lossless compression for low-latency video transmission in resource-constrained encoding environment

Family Cites Families (10)

* 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
JPWO2008129855A1 (ja) * 2007-04-11 2010-07-22 パナソニック株式会社 画像データ復号化装置、画像データ復号化方法
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
US20120230418A1 (en) * 2011-03-08 2012-09-13 Qualcomm Incorporated Coding of transform coefficients for video coding
CN105357540B (zh) * 2011-06-28 2019-09-06 三星电子株式会社 对视频进行解码的方法
WO2013070974A2 (en) * 2011-11-08 2013-05-16 General Instrument Corporation Method of determining binary codewords for transform coefficients
EP2941000B1 (en) * 2012-12-27 2020-11-04 NEC Corporation Video coding device, video coding method, and video coding program

Also Published As

Publication number Publication date
KR20160133509A (ko) 2016-11-22
EP3117525A1 (en) 2017-01-18
US20150264362A1 (en) 2015-09-17
TW201547256A (zh) 2015-12-16
CR20160423A (es) 2016-12-20
US9930348B2 (en) 2018-03-27
DOP2016000246A (es) 2016-12-30
MX2016011599A (es) 2016-12-09
TWI666916B (zh) 2019-07-21
NI201600135A (es) 2016-11-18
CN106105040A (zh) 2016-11-09
SV2016005283A (es) 2017-04-24
EP3117525B1 (en) 2022-08-17
KR102352638B1 (ko) 2022-01-17
CN106105040B (zh) 2019-11-19
JP2017514349A (ja) 2017-06-01
JP6527877B2 (ja) 2019-06-05
MX363891B (es) 2019-04-05
WO2015138911A1 (en) 2015-09-17

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