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SG10201811840RA - Transform coefficient coding - Google Patents

Transform coefficient coding

Info

Publication number
SG10201811840RA
SG10201811840RA SG10201811840RA SG10201811840RA SG10201811840RA SG 10201811840R A SG10201811840R A SG 10201811840RA SG 10201811840R A SG10201811840R A SG 10201811840RA SG 10201811840R A SG10201811840R A SG 10201811840RA SG 10201811840R A SG10201811840R A SG 10201811840RA
Authority
SG
Singapore
Prior art keywords
transform
transform coefficient
dependency
different
same function
Prior art date
Application number
SG10201811840RA
Inventor
Tung Nguyen
Heiner Kirchhoffer
Detlev Marpe
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 SG10201811840RA publication Critical patent/SG10201811840RA/en

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
    • 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

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)

Abstract

Transform Coefficient Coding An idea used herein is to use the same function for the dependency of the context and the 5 dependency of the symbolization parameter on previously coded/decoded transform coefficients. Using the same function – with varying function parameter - may even be used with respect to different transform block sizes and/or frequency portions of the transform blocks in case of the transform coefficients being spatially arranged in transform blocks. A further variant of this idea is to use the same function for the dependency of a 10 symbolization parameter on previously coded/decoded transform coefficients for different sizes of the current transform coefficient’s transform block, different information component types of the current transform coefficient’s transform block and/or different frequency portions the current transform coefficient is located within the transform block. 15 Fig.1 78
SG10201811840RA 2012-01-20 2013-01-21 Transform coefficient coding SG10201811840RA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201261588846P 2012-01-20 2012-01-20

Publications (1)

Publication Number Publication Date
SG10201811840RA true SG10201811840RA (en) 2019-02-27

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SG10201811840RA SG10201811840RA (en) 2012-01-20 2013-01-21 Transform coefficient coding
SG11201404240PA SG11201404240PA (en) 2012-01-20 2013-01-21 Transform coefficient coding
SG10201609263YA SG10201609263YA (en) 2012-01-20 2013-01-21 Transform coefficient coding

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SG11201404240PA SG11201404240PA (en) 2012-01-20 2013-01-21 Transform coefficient coding
SG10201609263YA SG10201609263YA (en) 2012-01-20 2013-01-21 Transform coefficient coding

Country Status (25)

Country Link
US (10) US9712844B2 (en)
EP (3) EP4391545A3 (en)
JP (5) JP6133899B2 (en)
KR (12) KR101771656B1 (en)
CN (11) CN107302367B (en)
AU (7) AU2013211004B2 (en)
BR (2) BR122020007580B1 (en)
CA (1) CA2861953C (en)
CL (1) CL2014001887A1 (en)
DK (1) DK2805419T3 (en)
ES (1) ES2638093T3 (en)
HK (10) HK1204163A1 (en)
HU (1) HUE035958T2 (en)
IL (9) IL284378B (en)
IN (1) IN2014KN01712A (en)
MX (2) MX370956B (en)
MY (2) MY188788A (en)
PH (7) PH12020551478A1 (en)
PL (1) PL2805419T3 (en)
PT (1) PT2805419T (en)
RU (4) RU2641235C2 (en)
SG (3) SG10201811840RA (en)
UA (3) UA120434C2 (en)
WO (1) WO2013107908A1 (en)
ZA (1) ZA201406039B (en)

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US20140362925A1 (en) 2014-12-11
US11968395B2 (en) 2024-04-23
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MY188788A (en) 2021-12-31
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