DE69031674D1 - Verfahren und Schaltungsanordnung zur zweidimensionalen diskreten Transformation - Google Patents

Verfahren und Schaltungsanordnung zur zweidimensionalen diskreten Transformation

Info

Publication number
DE69031674D1
DE69031674D1 DE69031674T DE69031674T DE69031674D1 DE 69031674 D1 DE69031674 D1 DE 69031674D1 DE 69031674 T DE69031674 T DE 69031674T DE 69031674 T DE69031674 T DE 69031674T DE 69031674 D1 DE69031674 D1 DE 69031674D1
Authority
DE
Germany
Prior art keywords
circuit arrangement
dimensional discrete
discrete transformation
transformation
dimensional
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 - Fee Related
Application number
DE69031674T
Other languages
English (en)
Other versions
DE69031674T2 (de
Inventor
Silvio Cucchi
Marco Fratti
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel Alsthom Compagnie Generale dElectricite
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 Alcatel Alsthom Compagnie Generale dElectricite filed Critical Alcatel Alsthom Compagnie Generale dElectricite
Publication of DE69031674D1 publication Critical patent/DE69031674D1/de
Application granted granted Critical
Publication of DE69031674T2 publication Critical patent/DE69031674T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Complex Calculations (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE69031674T 1989-07-13 1990-05-29 Verfahren und Schaltungsanordnung zur zweidimensionalen diskreten Transformation Expired - Fee Related DE69031674T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8921420U IT8921420V0 (it) 1989-07-13 1989-07-13 Sistema e circuito per il calcolo di trasformata discreta bidimensionale.

Publications (2)

Publication Number Publication Date
DE69031674D1 true DE69031674D1 (de) 1997-12-11
DE69031674T2 DE69031674T2 (de) 1998-06-10

Family

ID=11181511

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69031674T Expired - Fee Related DE69031674T2 (de) 1989-07-13 1990-05-29 Verfahren und Schaltungsanordnung zur zweidimensionalen diskreten Transformation

Country Status (6)

Country Link
US (1) US5197021A (de)
EP (1) EP0412252B1 (de)
JP (1) JPH03165192A (de)
DE (1) DE69031674T2 (de)
ES (1) ES2111523T3 (de)
IT (1) IT8921420V0 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6336180B1 (en) 1997-04-30 2002-01-01 Canon Kabushiki Kaisha Method, apparatus and system for managing virtual memory with virtual-physical mapping
US5664028A (en) * 1990-04-19 1997-09-02 Ricoh Corporation Apparatus and method for compressing still images
US5319724A (en) * 1990-04-19 1994-06-07 Ricoh Corporation Apparatus and method for compressing still images
FR2680259A1 (fr) * 1991-10-09 1993-02-12 Ricoh Kk Appareil et procede de compression d'image.
US5410500A (en) * 1992-02-21 1995-04-25 Sony Corporation Discrete cosine transform apparatus and inverse discrete cosine transform apparatus
US5313579A (en) * 1992-06-04 1994-05-17 Bell Communications Research, Inc. B-ISDN sequencer chip device
US5654910A (en) * 1992-08-26 1997-08-05 Sony Corporation Processing method and apparatus for performing 4 ×4 discrete cosine transformation or inverse discrete cosing transformation
KR940004467A (ko) * 1992-08-26 1994-03-15 오오가 노리오 이산코사인 변환장치 및 그 역변환장치
JPH06103301A (ja) * 1992-09-17 1994-04-15 Sony Corp ８ｘ８離散コサイン変換回路および８ｘ８離散コサイン逆変換回路
JPH06149862A (ja) * 1992-11-13 1994-05-31 Sony Corp 行列データ乗算方法及び行列データ乗算装置
US5345408A (en) * 1993-04-19 1994-09-06 Gi Corporation Inverse discrete cosine transform processor
GB2302421B (en) * 1995-03-18 1999-11-03 United Microelectronics Corp Apparatus for two-dimensional inverse discrete cosine transform
US5671169A (en) * 1995-06-23 1997-09-23 United Microelectronics Corporation Apparatus for two-dimensional inverse discrete cosine transform
US5805482A (en) * 1995-10-20 1998-09-08 Matsushita Electric Corporation Of America Inverse discrete cosine transform processor having optimum input structure
US5801979A (en) * 1995-10-20 1998-09-01 Matsushita Electric Corporation Of America Carry logic that produces a carry value from NLSBs for a ROM accumulator in an inverse discrete cosine transform processor
US5867601A (en) * 1995-10-20 1999-02-02 Matsushita Electric Corporation Of America Inverse discrete cosine transform processor using parallel processing
AUPO648397A0 (en) 1997-04-30 1997-05-22 Canon Information Systems Research Australia Pty Ltd Improvements in multiprocessor architecture operation
US6311258B1 (en) 1997-04-03 2001-10-30 Canon Kabushiki Kaisha Data buffer apparatus and method for storing graphical data using data encoders and decoders
US6707463B1 (en) 1997-04-30 2004-03-16 Canon Kabushiki Kaisha Data normalization technique
US6259456B1 (en) 1997-04-30 2001-07-10 Canon Kabushiki Kaisha Data normalization techniques
US6289138B1 (en) 1997-04-30 2001-09-11 Canon Kabushiki Kaisha General image processor
US6272257B1 (en) 1997-04-30 2001-08-07 Canon Kabushiki Kaisha Decoder of variable length codes
AUPO647997A0 (en) * 1997-04-30 1997-05-22 Canon Information Systems Research Australia Pty Ltd Memory controller architecture
US6499045B1 (en) * 1999-10-21 2002-12-24 Xilinx, Inc. Implementation of a two-dimensional wavelet transform
US6684235B1 (en) 2000-11-28 2004-01-27 Xilinx, Inc. One-dimensional wavelet system and method
JP3830497B2 (ja) 2004-06-11 2006-10-04 シャープ株式会社 半導体ウエハの製造方法及び半導体装置の製造方法
US8192424B2 (en) * 2007-01-05 2012-06-05 Arthrocare Corporation Electrosurgical system with suction control apparatus, system and method
US8654833B2 (en) * 2007-09-26 2014-02-18 Qualcomm Incorporated Efficient transformation techniques for video coding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196448A (en) * 1978-05-15 1980-04-01 The United States Of America As Represented By The Secretary Of The Navy TV bandwidth reduction system using a hybrid discrete cosine DPCM
US4385363A (en) * 1978-12-15 1983-05-24 Compression Labs, Inc. Discrete cosine transformer
US4293920A (en) * 1979-09-04 1981-10-06 Merola Pasquale A Two-dimensional transform processor
US4449194A (en) * 1981-09-25 1984-05-15 Motorola Inc. Multiple point, discrete cosine processor
FR2561011B1 (fr) * 1984-03-09 1986-09-12 Cit Alcatel Processeur de calcul d'une transformee discrete inverse du cosinus
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
US4791598A (en) * 1987-03-24 1988-12-13 Bell Communications Research, Inc. Two-dimensional discrete cosine transform processor

Also Published As

Publication number Publication date
EP0412252A3 (en) 1991-07-31
IT8921420V0 (it) 1989-07-13
JPH03165192A (ja) 1991-07-17
US5197021A (en) 1993-03-23
ES2111523T3 (es) 1998-03-16
EP0412252B1 (de) 1997-11-05
DE69031674T2 (de) 1998-06-10
EP0412252A2 (de) 1991-02-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALCATEL, PARIS, FR

8339 Ceased/non-payment of the annual fee