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IT8921420V0 - Sistema e circuito per il calcolo di trasformata discreta bidimensionale. - Google Patents

Sistema e circuito per il calcolo di trasformata discreta bidimensionale.

Info

Publication number
IT8921420V0
IT8921420V0 IT8921420U IT2142089U IT8921420V0 IT 8921420 V0 IT8921420 V0 IT 8921420V0 IT 8921420 U IT8921420 U IT 8921420U IT 2142089 U IT2142089 U IT 2142089U IT 8921420 V0 IT8921420 V0 IT 8921420V0
Authority
IT
Italy
Prior art keywords
calculation
circuit
dimensional discrete
discrete transformed
transformed
Prior art date
Application number
IT8921420U
Other languages
English (en)
Inventor
Silvio Cucchi
Marco Fratti
Original Assignee
Telettra Spa
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 Telettra Spa filed Critical Telettra Spa
Priority to IT8921420U priority Critical patent/IT8921420V0/it
Publication of IT8921420V0 publication Critical patent/IT8921420V0/it
Priority to ES90110138T priority patent/ES2111523T3/es
Priority to EP90110138A priority patent/EP0412252B1/en
Priority to DE69031674T priority patent/DE69031674T2/de
Priority to US07/551,628 priority patent/US5197021A/en
Priority to JP2184397A priority patent/JPH03165192A/ja

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 Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IT8921420U 1989-07-13 1989-07-13 Sistema e circuito per il calcolo di trasformata discreta bidimensionale. IT8921420V0 (it)

Priority Applications (6)

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.
ES90110138T ES2111523T3 (es) 1989-07-13 1990-05-29 Sistema y circuito para calcular una transformacion discreta bidimensional.
EP90110138A EP0412252B1 (en) 1989-07-13 1990-05-29 System and circuit for the calculation of a bidimensional discrete transform
DE69031674T DE69031674T2 (de) 1989-07-13 1990-05-29 Verfahren und Schaltungsanordnung zur zweidimensionalen diskreten Transformation
US07/551,628 US5197021A (en) 1989-07-13 1990-07-11 System and circuit for the calculation of the bidimensional discrete transform
JP2184397A JPH03165192A (ja) 1989-07-13 1990-07-13 ２元独立変換の演算のためのシステムおよび回路

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 (1)

Publication Number Publication Date
IT8921420V0 true IT8921420V0 (it) 1989-07-13

Family

ID=11181511

Family Applications (1)

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

Country Status (6)

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

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
US5319724A (en) * 1990-04-19 1994-06-07 Ricoh Corporation Apparatus and method for compressing still images
US5664028A (en) * 1990-04-19 1997-09-02 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
US5420811A (en) * 1992-08-26 1995-05-30 Sony Corporation Simple quick image processing apparatus for performing a discrete cosine transformation or an inverse discrete cosine transformation
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
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
US6289138B1 (en) 1997-04-30 2001-09-11 Canon Kabushiki Kaisha General image processor
AUPO647997A0 (en) * 1997-04-30 1997-05-22 Canon Information Systems Research Australia Pty Ltd Memory controller architecture
US6507898B1 (en) 1997-04-30 2003-01-14 Canon Kabushiki Kaisha Reconfigurable data cache controller
US6674536B2 (en) 1997-04-30 2004-01-06 Canon Kabushiki Kaisha Multi-instruction stream processor
US6707463B1 (en) 1997-04-30 2004-03-16 Canon Kabushiki Kaisha Data normalization technique
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
DE69031674T2 (de) 1998-06-10
EP0412252A3 (en) 1991-07-31
US5197021A (en) 1993-03-23
EP0412252B1 (en) 1997-11-05
JPH03165192A (ja) 1991-07-17
ES2111523T3 (es) 1998-03-16
DE69031674D1 (de) 1997-12-11
EP0412252A2 (en) 1991-02-13

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