DE60227688D1 - Implementierung von einer transformation und einer nachfolgenden quantisierung - Google Patents

Implementierung von einer transformation und einer nachfolgenden quantisierung

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Publication number
DE60227688D1
DE60227688D1 DE60227688T DE60227688T DE60227688D1 DE 60227688 D1 DE60227688 D1 DE 60227688D1 DE 60227688 T DE60227688 T DE 60227688T DE 60227688 T DE60227688 T DE 60227688T DE 60227688 D1 DE60227688 D1 DE 60227688D1
Authority
DE
Germany
Prior art keywords
digital data
simplified
quantization
transform matrix
approximation
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60227688T
Other languages
English (en)
Other versions
DE60227688C5 (de
Inventor
Antti Hallapuro
Kim Simelius
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Oyj
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25479298&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60227688(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE60227688D1 publication Critical patent/DE60227688D1/de
Publication of DE60227688C5 publication Critical patent/DE60227688C5/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Complex Calculations (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE60227688.8T 2001-08-30 2002-08-27 Implementierung von einer transformation und einer nachfolgenden quantisierung Expired - Lifetime DE60227688C5 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US943241 2001-08-30
US09/943,241 US7082450B2 (en) 2001-08-30 2001-08-30 Implementation of a transform and of a subsequent quantization
PCT/IB2002/003566 WO2003019787A2 (en) 2001-08-30 2002-08-27 Implementation of a transform and of a subsequent quantization
EP02762664A EP1440515B1 (de) 2001-08-30 2002-08-27 Implementierung von einer transformation und einer nachfolgenden quantisierung

Publications (2)

Publication Number Publication Date
DE60227688D1 true DE60227688D1 (de) 2008-08-28
DE60227688C5 DE60227688C5 (de) 2020-03-12

Family

ID=25479298

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60227688.8T Expired - Lifetime DE60227688C5 (de) 2001-08-30 2002-08-27 Implementierung von einer transformation und einer nachfolgenden quantisierung

Country Status (13)

Country Link
US (3) US7082450B2 (de)
EP (2) EP1440515B1 (de)
JP (2) JP4153425B2 (de)
KR (1) KR100912415B1 (de)
CN (2) CN101261619B (de)
AT (1) ATE401703T1 (de)
AU (1) AU2002328100A1 (de)
DE (1) DE60227688C5 (de)
HK (1) HK1122622A1 (de)
HU (1) HU228603B1 (de)
MX (1) MXPA04001724A (de)
WO (1) WO2003019787A2 (de)
ZA (1) ZA200401224B (de)

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Also Published As

Publication number Publication date
US20060294173A1 (en) 2006-12-28
KR100912415B1 (ko) 2009-08-14
MXPA04001724A (es) 2004-05-31
EP1914894A3 (de) 2009-05-06
KR20040036923A (ko) 2004-05-03
EP1440515B1 (de) 2008-07-16
EP1914894B1 (de) 2021-05-05
DE60227688C5 (de) 2020-03-12
US7082450B2 (en) 2006-07-25
ATE401703T1 (de) 2008-08-15
CN100392982C (zh) 2008-06-04
JP2005501462A (ja) 2005-01-13
JP4153425B2 (ja) 2008-09-24
CN101261619B (zh) 2013-06-05
EP1440515A2 (de) 2004-07-28
US10515134B2 (en) 2019-12-24
WO2003019787A2 (en) 2003-03-06
JP4444940B2 (ja) 2010-03-31
CN1575546A (zh) 2005-02-02
HUP0401627A2 (en) 2004-11-29
CN101261619A (zh) 2008-09-10
WO2003019787A3 (en) 2004-05-06
JP2007129731A (ja) 2007-05-24
HK1122622A1 (en) 2009-05-22
EP1914894A2 (de) 2008-04-23
ZA200401224B (en) 2005-06-29
US20100195923A1 (en) 2010-08-05
US20030078953A1 (en) 2003-04-24
HU228603B1 (en) 2013-04-29
AU2002328100A1 (en) 2003-03-10

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