MX363891B - 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
MX363891B
MX363891B MX2016011599A MX2016011599A MX363891B MX 363891 B MX363891 B MX 363891B MX 2016011599 A MX2016011599 A MX 2016011599A MX 2016011599 A MX2016011599 A MX 2016011599A MX 363891 B MX363891 B MX 363891B
Authority
MX
Mexico
Prior art keywords
coding
codeword
golomb
absolute values
suffix
Prior art date
Application number
MX2016011599A
Other languages
English (en)
Other versions
MX2016011599A (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

Links

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
    • 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
    • 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 MX2016011599A (es) 2016-12-09
MX363891B true MX363891B (es) 2019-04-05

Family

ID=54070437

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)

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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
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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
BR112022002916A2 (pt) * 2019-09-25 2022-05-10 Panasonic Ip Corp America Codificador, decodificador, método de codificação e método de decodificação
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KR100718134B1 (ko) * 2005-07-21 2007-05-14 삼성전자주식회사 비트율에 적응적인 영상 데이터 이진 산술 부호화/복호화장치 및 방법
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Also Published As

Publication number Publication date
CN106105040A (zh) 2016-11-09
MX2016011599A (es) 2016-12-09
US20150264362A1 (en) 2015-09-17
JP2017514349A (ja) 2017-06-01
NI201600135A (es) 2016-11-18
JP6527877B2 (ja) 2019-06-05
CR20160423A (es) 2016-12-20
EP3117525B1 (en) 2022-08-17
CN106105040B (zh) 2019-11-19
EP3117525A1 (en) 2017-01-18
TWI666916B (zh) 2019-07-21
GT201600184A (es) 2018-11-27
KR20160133509A (ko) 2016-11-22
TW201547256A (zh) 2015-12-16
DOP2016000246A (es) 2016-12-30
WO2015138911A1 (en) 2015-09-17
US9930348B2 (en) 2018-03-27
SV2016005283A (es) 2017-04-24
KR102352638B1 (ko) 2022-01-17

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