EP1352336A4 - Transformees plus rapides a termes avec echelle, suspensions anticipees et ameliorations de precision - Google Patents

Transformees plus rapides a termes avec echelle, suspensions anticipees et ameliorations de precision

Info

Publication number
EP1352336A4
EP1352336A4 EP01981308A EP01981308A EP1352336A4 EP 1352336 A4 EP1352336 A4 EP 1352336A4 EP 01981308 A EP01981308 A EP 01981308A EP 01981308 A EP01981308 A EP 01981308A EP 1352336 A4 EP1352336 A4 EP 1352336A4
Authority
EP
European Patent Office
Prior art keywords
aborts
early
transforms
faster
refinements
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.)
Withdrawn
Application number
EP01981308A
Other languages
German (de)
English (en)
Other versions
EP1352336A1 (fr
Inventor
Michael T Brady
Joan L Mitchell
Jennifer Q Trelewicz
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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
Priority claimed from US09/694,452 external-priority patent/US7007054B1/en
Priority claimed from US09/694,455 external-priority patent/US6961473B1/en
Priority claimed from US09/694,448 external-priority patent/US6766341B1/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of EP1352336A1 publication Critical patent/EP1352336A1/fr
Publication of EP1352336A4 publication Critical patent/EP1352336A4/fr
Withdrawn legal-status Critical Current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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Algebra (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP01981308A 2000-10-23 2001-10-23 Transformees plus rapides a termes avec echelle, suspensions anticipees et ameliorations de precision Withdrawn EP1352336A4 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US694452 1991-05-01
US09/694,452 US7007054B1 (en) 2000-10-23 2000-10-23 Faster discrete cosine transforms using scaled terms
US694455 2000-10-23
US09/694,455 US6961473B1 (en) 2000-10-23 2000-10-23 Faster transforms using early aborts and precision refinements
US09/694,448 US6766341B1 (en) 2000-10-23 2000-10-23 Faster transforms using scaled terms
US694448 2000-10-23
PCT/US2001/027778 WO2002035380A1 (fr) 2000-10-23 2001-10-23 Transformees plus rapides a termes avec echelle, suspensions anticipees et ameliorations de precision

Publications (2)

Publication Number Publication Date
EP1352336A1 EP1352336A1 (fr) 2003-10-15
EP1352336A4 true EP1352336A4 (fr) 2006-09-06

Family

ID=27418597

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01981308A Withdrawn EP1352336A4 (fr) 2000-10-23 2001-10-23 Transformees plus rapides a termes avec echelle, suspensions anticipees et ameliorations de precision

Country Status (5)

Country Link
EP (1) EP1352336A4 (fr)
JP (1) JP2004523815A (fr)
KR (1) KR100545445B1 (fr)
CN (1) CN100429644C (fr)
WO (1) WO2002035380A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2407886B (en) * 2003-11-10 2007-04-25 Metropolis Data Consultants Lt Digital signal processing with improved mapping
JP2012516625A (ja) 2009-01-27 2012-07-19 トムソン ライセンシング ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
US9110849B2 (en) 2009-04-15 2015-08-18 Qualcomm Incorporated Computing even-sized discrete cosine transforms
US8762441B2 (en) 2009-06-05 2014-06-24 Qualcomm Incorporated 4X4 transform for media coding
US9069713B2 (en) 2009-06-05 2015-06-30 Qualcomm Incorporated 4X4 transform for media coding
US9118898B2 (en) 2009-06-24 2015-08-25 Qualcomm Incorporated 8-point transform for media data coding
US9075757B2 (en) 2009-06-24 2015-07-07 Qualcomm Incorporated 16-point transform for media data coding
US8451904B2 (en) 2009-06-24 2013-05-28 Qualcomm Incorporated 8-point transform for media data coding
US9081733B2 (en) 2009-06-24 2015-07-14 Qualcomm Incorporated 16-point transform for media data coding
US9824066B2 (en) 2011-01-10 2017-11-21 Qualcomm Incorporated 32-point transform for media data coding

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0599315A2 (fr) * 1992-11-25 1994-06-01 Sony Corporation Dispositif et méthode pour appliquer une transformation orthogonale à un signal d'information numérique avec réduction d'échelle pour empêcher le débordement
US5649077A (en) * 1994-03-30 1997-07-15 Institute Of Microelectronics, National University Of Singapore Modularized architecture for rendering scaled discrete cosine transform coefficients and inverse thereof for rapid implementation
US5740284A (en) * 1993-11-30 1998-04-14 Polaroid Corporation Coding method and apparatus for resampling and filtering images using discrete cosine transforms
WO2000055757A1 (fr) * 1999-03-17 2000-09-21 The Johns Hopkins University Transformation rapide sans multiplicateur

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1207346B (it) * 1987-01-20 1989-05-17 Cselt Centro Studi Lab Telecom Sformata coseno discreta a coeffi circuito per il calcolo della tra cienti quantizzati di campioni di segnale numerico
US5394349A (en) * 1992-07-10 1995-02-28 Xing Technology Corporation Fast inverse discrete transform using subwords for decompression of information
US5854757A (en) * 1996-05-07 1998-12-29 Lsi Logic Corporation Super-compact hardware architecture for IDCT computation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0599315A2 (fr) * 1992-11-25 1994-06-01 Sony Corporation Dispositif et méthode pour appliquer une transformation orthogonale à un signal d'information numérique avec réduction d'échelle pour empêcher le débordement
US5740284A (en) * 1993-11-30 1998-04-14 Polaroid Corporation Coding method and apparatus for resampling and filtering images using discrete cosine transforms
US5649077A (en) * 1994-03-30 1997-07-15 Institute Of Microelectronics, National University Of Singapore Modularized architecture for rendering scaled discrete cosine transform coefficients and inverse thereof for rapid implementation
WO2000055757A1 (fr) * 1999-03-17 2000-09-21 The Johns Hopkins University Transformation rapide sans multiplicateur

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DRYGAJLO A ED - INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS: "BUTTERFLY ORTHOGONAL STRUCTURE FOR FAST TRANSFORMS, FILTER BANKS AND WAVELETS", DIGITAL SIGNAL PROCESSING 2, ESTIMATION, VLSI. SAN FRANCISCO, MAR. 23, vol. VOL. 5 CONF. 17, 23 March 1992 (1992-03-23), pages V81 - V84, XP000341419, ISBN: 0-7803-0532-9 *
FEHER B: "New inner product algorithm of the two-dimensional DCT", PROCEEDINGS OF THE SPIE - THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING USA, vol. 2419, 1995, pages 436 - 444, XP002388637, ISSN: 0277-786X *
See also references of WO0235380A1 *

Also Published As

Publication number Publication date
CN1471674A (zh) 2004-01-28
EP1352336A1 (fr) 2003-10-15
CN100429644C (zh) 2008-10-29
KR20030072338A (ko) 2003-09-13
KR100545445B1 (ko) 2006-01-24
JP2004523815A (ja) 2004-08-05
WO2002035380A1 (fr) 2002-05-02

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Legal Events

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