MX370956B - Codificación de coeficiente de transformada. - Google Patents

Codificación de coeficiente de transformada.

Info

Publication number
MX370956B
MX370956B MX2017003792A MX2017003792A MX370956B MX 370956 B MX370956 B MX 370956B MX 2017003792 A MX2017003792 A MX 2017003792A MX 2017003792 A MX2017003792 A MX 2017003792A MX 370956 B MX370956 B MX 370956B
Authority
MX
Mexico
Prior art keywords
transform
transform coefficient
dependency
different
same function
Prior art date
Application number
MX2017003792A
Other languages
English (en)
Inventor
Marpe Detlev
Kirchhoffer Heiner
Nguyen Tung
Original Assignee
Ge Video Compression Llc
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 Ge Video Compression Llc filed Critical Ge Video Compression Llc
Publication of MX370956B publication Critical patent/MX370956B/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
    • H03M7/4006—Conversion to or from arithmetic code
    • H03M7/4012—Binary arithmetic codes
    • H03M7/4018—Context adapative binary arithmetic codes [CABAC]
    • 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
    • H03M7/4031—Fixed length to variable length coding
    • H03M7/4037—Prefix coding
    • H03M7/4043—Adaptive prefix coding
    • H03M7/4068—Parameterized codes
    • H03M7/4075—Golomb codes
    • 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
    • H04N19/13—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
    • H04N19/169—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
    • H04N19/44—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
    • H04N19/60—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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Abstract

Una idea usada aqui es usar la misma funcion para la dependencia del contexto y la dependencia del parametro de simbolizacion en los coeficientes de transformada previamente codificados/decodific ados. Usar la misma funcion - con parametro de funcion diversa- podria ser usado incluso con respecto a diferentes tamanos de bloque de transformada y/o porciones de frecuencia de los bloques de transformada en caso de los coeficientes de transformada estando dispuestos espacialmente en bloques de transformada. Una variante adicional de esta idea es usar la mima funcion para la dependencia de un parametro de simbolizacion de coeficientes de transformada previamente codificados/decodificados para diferentes tamanos del bloque de transformada de los coeficientes de transformada actual, diferentes tipos de componente de informacion del bloque de transformada del coeficiente de transformada actual y/o diferentes porciones de frecuencia el coeficiente de transformada actual estando localizado dentro del bloque de transformada.
MX2017003792A 2012-01-20 2013-01-21 Codificación de coeficiente de transformada. MX370956B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261588846P 2012-01-20 2012-01-20
PCT/EP2013/051053 WO2013107908A1 (en) 2012-01-20 2013-01-21 Transform coefficient coding

Publications (1)

Publication Number Publication Date
MX370956B true MX370956B (es) 2020-01-10

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MX2014008696A MX346550B (es) 2012-01-20 2013-01-21 Codificación de coeficiente de transformada.
MX2017003792A MX370956B (es) 2012-01-20 2013-01-21 Codificación de coeficiente de transformada.

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Country Status (25)

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US (9) US9712844B2 (es)
EP (2) EP2805419B1 (es)
JP (5) JP6133899B2 (es)
KR (12) KR101771656B1 (es)
CN (11) CN107302364B (es)
AU (6) AU2013211004B2 (es)
BR (2) BR112014017916B1 (es)
CA (1) CA2861953C (es)
CL (1) CL2014001887A1 (es)
DK (1) DK2805419T3 (es)
ES (1) ES2638093T3 (es)
HK (10) HK1204163A1 (es)
HU (1) HUE035958T2 (es)
IL (9) IL292629B2 (es)
IN (1) IN2014KN01712A (es)
MX (2) MX346550B (es)
MY (2) MY170555A (es)
PH (6) PH12018500137A1 (es)
PL (1) PL2805419T3 (es)
PT (1) PT2805419T (es)
RU (4) RU2641235C2 (es)
SG (3) SG11201404240PA (es)
UA (3) UA124087C2 (es)
WO (1) WO2013107908A1 (es)
ZA (1) ZA201406039B (es)

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KR102217956B1 (ko) 2021-02-19
KR101951887B1 (ko) 2019-02-26
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US10582219B2 (en) 2020-03-03
KR101951886B1 (ko) 2019-02-26
US20140362925A1 (en) 2014-12-11
SG11201404240PA (en) 2014-08-28
HK1246053A1 (zh) 2018-08-31
KR101952360B1 (ko) 2019-02-27
KR20200037450A (ko) 2020-04-08
JP6133899B2 (ja) 2017-05-24
RU2014134039A (ru) 2016-03-20
JP2023053086A (ja) 2023-04-12
HK1246020A1 (zh) 2018-08-31
KR101771656B1 (ko) 2017-09-05
PH12018500137B1 (en) 2018-07-09
KR20150004930A (ko) 2015-01-13
KR102466326B1 (ko) 2022-11-14
US10462487B2 (en) 2019-10-29
CN107302363A (zh) 2017-10-27
CN107302365A (zh) 2017-10-27
CN107302369A (zh) 2017-10-27
US11968395B2 (en) 2024-04-23
CN107302705A (zh) 2017-10-27
PH12018500137A1 (en) 2018-07-09
MY188788A (en) 2021-12-31
BR112014017916B1 (pt) 2021-07-27
US20200154141A1 (en) 2020-05-14
IL270665B (en) 2020-09-30
AU2013211004B2 (en) 2016-03-17
CN107302702A (zh) 2017-10-27
CN104205646B (zh) 2017-09-22
IL284378A (en) 2021-07-29
PH12018500138B1 (en) 2018-07-09
US20190349604A1 (en) 2019-11-14
RU2761510C1 (ru) 2021-12-09
US10757447B2 (en) 2020-08-25
HK1246051A1 (zh) 2018-08-31
PH12018500136A1 (en) 2018-07-09
EP2805419A1 (en) 2014-11-26
IL277277B (en) 2021-07-29
CN107302363B (zh) 2020-07-14
BR112014017916A2 (pt) 2019-10-08
AU2020244522A1 (en) 2020-10-29
CN107302368A (zh) 2017-10-27
IL265447B (en) 2019-11-28
WO2013107908A1 (en) 2013-07-25
BR122020007580B1 (pt) 2021-10-26
US20230269398A1 (en) 2023-08-24
PH12018500138A1 (en) 2018-07-09
CL2014001887A1 (es) 2014-11-21
CN107302364B (zh) 2021-01-19
EP2999123A1 (en) 2016-03-23
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PH12014501659B1 (en) 2014-10-13
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