ES2005021A6 - Un procesador de transformadas ortogonal. - Google Patents

Un procesador de transformadas ortogonal.

Info

Publication number
ES2005021A6
ES2005021A6 ES8702777A ES8702777A ES2005021A6 ES 2005021 A6 ES2005021 A6 ES 2005021A6 ES 8702777 A ES8702777 A ES 8702777A ES 8702777 A ES8702777 A ES 8702777A ES 2005021 A6 ES2005021 A6 ES 2005021A6
Authority
ES
Spain
Prior art keywords
rotator
circuit
necessary
orthogonal transform
transform processor
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
Application number
ES8702777A
Other languages
English (en)
Inventor
Adrianus Ligtenberg
Jay Henry O'neill
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of ES2005021A6 publication Critical patent/ES2005021A6/es
Expired 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/76—Arrangements for rearranging, permuting or selecting data according to predetermined rules, independently of the content of the data
    • G06F7/78—Arrangements for rearranging, permuting or selecting data according to predetermined rules, independently of the content of the data for changing the order of data flow, e.g. matrix transposition or LIFO buffers; Overflow or underflow handling therefor
    • 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
    • G06F17/141—Discrete Fourier transforms
    • G06F17/142—Fast Fourier transforms, e.g. using a Cooley-Tukey type algorithm
    • 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)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Discrete Mathematics (AREA)
  • Algebra (AREA)
  • Complex Calculations (AREA)

Abstract

UN PROCESADOR DE TRANSFORMADA ORTOGONAL, CARACTERIZADO PORQUE COMPRENDE: UN ROTADOR SENSIBLE A UNA PRIMERA SEÑAL DE ENTRADA DE ROTATOR X0, UNA SEGUNDA SEÑAL DE ENTRADA DE ROTATOR X1, UNA PRIMERA SEÑAL DE COEFICIENTE C0 Y UNA SEGUNDA SEÑAL DE COEFICIENTE C1, PARA DESARROLLAR UNA PRIMERA SEÑAL DE SALIDA DEL ROTATOR IGUAL A C0X0+C1X1 Y UNA SEGUNDA SEÑAL DE SALIDA DEL ROTATOR IGUAL A -C1X0+C0X1; UN CIRCUITO DE COMUNICACION, SENSIBLE A LAS SEÑALES DE ENTRADA DEL PROCESADOR APLICADAS, PARA APLICAR A DICHO ROTATOR LAS REFERIDAS PRIMERA Y SEGUNDA SEÑALES DE ENTRADA DEL ROTATOR, PARA ACEPTAR LAS CITADAS PRIMERA Y SEGUNDA SEÑALES DE SALIDA DEL ROTATOR Y PARA SUMINISTRAR SEÑALES DE SALIDA TRANSFORMADAS DE DICHO PROCESADOR DE TRANSFORMADA ORTOGONAL; Y MEDIOS, SENSIBLES A UNA SEÑAL DE CONTROL DE LA INICIACION, PARA PROPORCIONAR SEÑALES DE CONTROL A DICHO CIRCUITO DE COMUNICACION Y DICHAS PRIMERA Y SEGUNDA SEÑALES DE COEFICIENTES A DICHO ROTATOR.
ES8702777A 1986-11-10 1987-09-29 Un procesador de transformadas ortogonal. Expired ES2005021A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/928,894 US4760543A (en) 1986-11-10 1986-11-10 Orthogonal transform processor

Publications (1)

Publication Number Publication Date
ES2005021A6 true ES2005021A6 (es) 1989-02-16

Family

ID=25456957

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8702777A Expired ES2005021A6 (es) 1986-11-10 1987-09-29 Un procesador de transformadas ortogonal.

Country Status (8)

Country Link
US (1) US4760543A (es)
EP (1) EP0267729B1 (es)
JP (1) JPS63136167A (es)
KR (1) KR920001618B1 (es)
CN (1) CN87107679A (es)
CA (1) CA1277036C (es)
DE (1) DE3750017T2 (es)
ES (1) ES2005021A6 (es)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5424961A (en) * 1988-03-04 1995-06-13 Brust; Hans-Detlef Process and system for measuring the temporal course of a periodic signal having high time resolution according to a "Boxcar-like" process
FR2639738B1 (fr) * 1988-11-25 1992-05-07 France Etat Dispositif et procede a registres a decalage et a operateurs de permutation pour la transposition matricielle ligne-colonne
US5268853A (en) * 1989-12-01 1993-12-07 Ricoh Company, Ltd. Orthogonal transformation processor for compressing information
US5359549A (en) * 1989-12-01 1994-10-25 Ricoh Company, Ltd. Orthogonal transformation processor for compressing information
JP2646778B2 (ja) * 1990-01-17 1997-08-27 日本電気株式会社 ディジタル信号処理装置
FR2657739B1 (fr) * 1990-01-26 1992-05-07 Sgc Thomson Microelectronics Sa Serialiseur/deserialiseur.
US5126962A (en) * 1990-07-11 1992-06-30 Massachusetts Institute Of Technology Discrete cosine transform processing system
EP0469855B1 (en) 1990-07-31 1999-12-01 Fujitsu Limited Image data processing method and apparatus
US5875266A (en) * 1990-07-31 1999-02-23 Fujitsu Limited Image data processing a method and apparatus
JP2646844B2 (ja) * 1990-11-16 1997-08-27 日本電気株式会社 離散コサイン変換装置
EP0500048B1 (en) * 1991-02-19 1998-05-27 Matsushita Electric Industrial Co., Ltd. Orthogonal transform apparatus for video signal processing
JP2964172B2 (ja) * 1991-03-08 1999-10-18 富士通株式会社 Ｄｃｔマトリクス演算回路
US5394349A (en) * 1992-07-10 1995-02-28 Xing Technology Corporation Fast inverse discrete transform using subwords for decompression of information
US5339265A (en) * 1992-08-31 1994-08-16 University Of Maryland At College Park Optimal unified architectures for the real-time computation of time-recursive discrete sinusoidal transforms
KR950000386B1 (ko) * 1992-12-30 1995-01-16 재단법인 한국전자통신연구소 이산여현 변환회로
US5345408A (en) * 1993-04-19 1994-09-06 Gi Corporation Inverse discrete cosine transform processor
US5428567A (en) * 1994-05-09 1995-06-27 International Business Machines Corporation Memory structure to minimize rounding/trunction errors for n-dimensional image transformation
US6310963B1 (en) 1994-09-30 2001-10-30 Sensormatic Electronics Corp Method and apparatus for detecting an EAS (electronic article surveillance) marker using wavelet transform signal processing
US5623423A (en) * 1994-12-12 1997-04-22 Univ. Of Texas Apparatus and method for video decoding
US5867601A (en) * 1995-10-20 1999-02-02 Matsushita Electric Corporation Of America Inverse discrete cosine transform processor using parallel processing
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
US6101523A (en) * 1998-05-19 2000-08-08 United Microelectronics Corp. Method and apparatus for controlling calculation error
US6499045B1 (en) * 1999-10-21 2002-12-24 Xilinx, Inc. Implementation of a two-dimensional wavelet transform
US7292730B1 (en) * 1999-12-09 2007-11-06 Intel Corporation Two-dimensional inverse discrete cosine transforming
US6684235B1 (en) 2000-11-28 2004-01-27 Xilinx, Inc. One-dimensional wavelet system and method
US7054897B2 (en) * 2001-10-03 2006-05-30 Dsp Group, Ltd. Transposable register file
US10884707B1 (en) * 2019-06-27 2021-01-05 Amazon Technologies, Inc. Transpose operations using processing element array

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2262350B1 (es) * 1974-02-25 1976-12-03 France Etat
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
JPS57146345A (en) * 1981-03-04 1982-09-09 Toshiba Corp 3n-th degree orthogonal transformation and inverse transformation system
US4528641A (en) * 1982-11-16 1985-07-09 The United States Of America As Represented By The Secretary Of The Air Force Variable radix processor
GB2141847B (en) * 1983-05-06 1986-10-15 Seiko Instr & Electronics Matrix multiplication apparatus for graphic display
US4558351A (en) * 1983-11-21 1985-12-10 Rca Corporation Hue correction circuit for a digital TV receiver
US4612626A (en) * 1983-12-27 1986-09-16 Motorola Inc. Method of performing real input fast fourier transforms simultaneously on two data streams
FR2561011B1 (fr) * 1984-03-09 1986-09-12 Cit Alcatel Processeur de calcul d'une transformee discrete inverse du cosinus
US4791590A (en) * 1985-11-19 1988-12-13 Cornell Research Foundation, Inc. High performance signal processor

Also Published As

Publication number Publication date
EP0267729B1 (en) 1994-06-08
JPS63136167A (ja) 1988-06-08
DE3750017T2 (de) 1994-09-29
KR880006617A (ko) 1988-07-23
EP0267729A3 (en) 1991-03-13
US4760543A (en) 1988-07-26
CA1277036C (en) 1990-11-27
DE3750017D1 (de) 1994-07-14
CN87107679A (zh) 1988-08-31
EP0267729A2 (en) 1988-05-18
KR920001618B1 (ko) 1992-02-20

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Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2007-09-29