SV2016005283A - Codificaciã“n del nivel de coeficiente en un proceso de codificaciã“n de video - Google Patents

Codificaciã“n del nivel de coeficiente en un proceso de codificaciã“n de video

Info

Publication number
SV2016005283A
SV2016005283A SV2016005283A SV2016005283A SV2016005283A SV 2016005283 A SV2016005283 A SV 2016005283A SV 2016005283 A SV2016005283 A SV 2016005283A SV 2016005283 A SV2016005283 A SV 2016005283A SV 2016005283 A SV2016005283 A SV 2016005283A
Authority
SV
El Salvador
Prior art keywords
coding
code
word
word code
golomb
Prior art date
Application number
SV2016005283A
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 SV2016005283A publication Critical patent/SV2016005283A/es

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Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/115Selection of the code volume for a coding unit prior to coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/18Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/1887Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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 M�XIMO 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 M�XIMO 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 M�XIMO 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
SV2016005283A 2014-03-14 2016-09-21 Codificaciã“n del nivel de coeficiente en un proceso de codificaciã“n de video SV2016005283A (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 (1)

Publication Number Publication Date
SV2016005283A true SV2016005283A (es) 2017-04-24

Family

ID=54070437

Family Applications (1)

Application Number Title Priority Date Filing Date
SV2016005283A SV2016005283A (es) 2014-03-14 2016-09-21 Codificaciã“n del nivel de coeficiente en un proceso de codificaciã“n 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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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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KR20220062526A (ko) * 2019-09-25 2022-05-17 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법, 및 복호 방법
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Also Published As

Publication number Publication date
MX363891B (es) 2019-04-05
CR20160423A (es) 2016-12-20
TWI666916B (zh) 2019-07-21
JP2017514349A (ja) 2017-06-01
WO2015138911A1 (en) 2015-09-17
EP3117525B1 (en) 2022-08-17
JP6527877B2 (ja) 2019-06-05
MX2016011599A (es) 2016-12-09
US9930348B2 (en) 2018-03-27
EP3117525A1 (en) 2017-01-18
KR20160133509A (ko) 2016-11-22
NI201600135A (es) 2016-11-18
CN106105040B (zh) 2019-11-19
CN106105040A (zh) 2016-11-09
DOP2016000246A (es) 2016-12-30
US20150264362A1 (en) 2015-09-17
GT201600184A (es) 2018-11-27
KR102352638B1 (ko) 2022-01-17
TW201547256A (zh) 2015-12-16

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