DE3673576D1 - Rechnungseinrichtungen von cosinustransformationen, solche rechnungseinrichtungen enthaltende kodierungs- und dekodierungseinrichtung von bildern. - Google Patents

Rechnungseinrichtungen von cosinustransformationen, solche rechnungseinrichtungen enthaltende kodierungs- und dekodierungseinrichtung von bildern.

Info

Publication number
DE3673576D1
DE3673576D1 DE8686400904T DE3673576T DE3673576D1 DE 3673576 D1 DE3673576 D1 DE 3673576D1 DE 8686400904 T DE8686400904 T DE 8686400904T DE 3673576 T DE3673576 T DE 3673576T DE 3673576 D1 DE3673576 D1 DE 3673576D1
Authority
DE
Germany
Prior art keywords
devices
computing devices
elementary
carrying
coding
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
DE8686400904T
Other languages
English (en)
Inventor
Denis Mischler
Pannerer Yves-Marie Le
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.)
Thomson Grand Public
Original Assignee
Thomson Grand Public
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 Thomson Grand Public filed Critical Thomson Grand Public
Application granted granted Critical
Publication of DE3673576D1 publication Critical patent/DE3673576D1/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)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Discrete Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Complex Calculations (AREA)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
DE8686400904T 1985-05-03 1986-04-24 Rechnungseinrichtungen von cosinustransformationen, solche rechnungseinrichtungen enthaltende kodierungs- und dekodierungseinrichtung von bildern. Expired - Fee Related DE3673576D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8506771A FR2581463B1 (fr) 1985-05-03 1985-05-03 Dispositifs de calcul de transformees cosinus, dispositif de codage et dispositif de decodage d'images comportant de tels dispositifs de calcul

Publications (1)

Publication Number Publication Date
DE3673576D1 true DE3673576D1 (de) 1990-09-27

Family

ID=9318943

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686400904T Expired - Fee Related DE3673576D1 (de) 1985-05-03 1986-04-24 Rechnungseinrichtungen von cosinustransformationen, solche rechnungseinrichtungen enthaltende kodierungs- und dekodierungseinrichtung von bildern.

Country Status (6)

Country Link
US (1) US4754491A (de)
EP (1) EP0206847B1 (de)
JP (1) JP2628493B2 (de)
AT (1) ATE55842T1 (de)
DE (1) DE3673576D1 (de)
FR (1) FR2581463B1 (de)

Families Citing this family (29)

* 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
NL8601183A (nl) * 1986-05-12 1987-12-01 Philips Nv Discrete cosinus transformatie-inrichting.
FR2603719B1 (fr) * 1986-09-04 1991-10-31 Duhamel Pierre Dispositif de determination de la transformee numerique d'un signal
NL8700843A (nl) * 1987-04-10 1988-11-01 Philips Nv Televisie-overdrachtsysteem met transformcoding.
JP2734131B2 (ja) * 1989-10-31 1998-03-30 カシオ計算機株式会社 ディスクリートコサイン変換装置
JPH03145276A (ja) * 1989-10-31 1991-06-20 Casio Comput Co Ltd ２次元ディスクリートコサイン変換装置
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
EP0474246A2 (de) * 1990-09-06 1992-03-11 Matsushita Electric Industrial Co., Ltd. Bildsignalverarbeitungsgerät
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 (de) * 1991-02-19 1998-05-27 Matsushita Electric Industrial Co., Ltd. Gerät für die orthogonale Transformation für die Videosignalverarbeitung
US5818742A (en) * 1991-06-24 1998-10-06 Atmel Corporation Apparatus to transform time to frequency and frequency to time of data signals
JPH06303516A (ja) * 1993-04-17 1994-10-28 Sony Corp 画像変換装置
US5471412A (en) * 1993-10-27 1995-11-28 Winbond Electronic Corp. Recycling and parallel processing method and apparatus for performing discrete cosine transform and its inverse
AUPO648397A0 (en) 1997-04-30 1997-05-22 Canon Information Systems Research Australia Pty Ltd Improvements in multiprocessor architecture operation
US6289138B1 (en) 1997-04-30 2001-09-11 Canon Kabushiki Kaisha General image processor
US6414687B1 (en) 1997-04-30 2002-07-02 Canon Kabushiki Kaisha Register setting-micro programming system
US6195674B1 (en) 1997-04-30 2001-02-27 Canon Kabushiki Kaisha Fast DCT apparatus
AUPO647997A0 (en) * 1997-04-30 1997-05-22 Canon Information Systems Research Australia Pty Ltd Memory controller architecture
US6707463B1 (en) 1997-04-30 2004-03-16 Canon Kabushiki Kaisha Data normalization technique
US6061749A (en) * 1997-04-30 2000-05-09 Canon Kabushiki Kaisha Transformation of a first dataword received from a FIFO into an input register and subsequent dataword from the FIFO into a normalized output dataword
US7231094B2 (en) * 2002-10-01 2007-06-12 The Charles Stark Draper Laboratory, Inc. Low-power signal processing using MEMS
US9110849B2 (en) 2009-04-15 2015-08-18 Qualcomm Incorporated Computing even-sized discrete cosine transforms
US9069713B2 (en) * 2009-06-05 2015-06-30 Qualcomm Incorporated 4X4 transform for media coding
US9075757B2 (en) * 2009-06-24 2015-07-07 Qualcomm Incorporated 16-point transform for media data coding
US9081733B2 (en) 2009-06-24 2015-07-14 Qualcomm Incorporated 16-point transform for media data coding
US9118898B2 (en) 2009-06-24 2015-08-25 Qualcomm Incorporated 8-point transform for media data coding
US9824066B2 (en) * 2011-01-10 2017-11-21 Qualcomm Incorporated 32-point transform for media data coding

Family Cites Families (4)

* 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
US4449194A (en) * 1981-09-25 1984-05-15 Motorola Inc. Multiple point, discrete cosine processor
JPS58151675A (ja) * 1982-03-05 1983-09-08 Hitachi Ltd 二次元高速フ−リエ変換処理方法

Also Published As

Publication number Publication date
EP0206847A1 (de) 1986-12-30
US4754491A (en) 1988-06-28
EP0206847B1 (de) 1990-08-22
FR2581463B1 (fr) 1989-09-08
JP2628493B2 (ja) 1997-07-09
JPS6231473A (ja) 1987-02-10
FR2581463A1 (fr) 1986-11-07
ATE55842T1 (de) 1990-09-15

Similar Documents

Publication Publication Date Title
DE3673576D1 (de) Rechnungseinrichtungen von cosinustransformationen, solche rechnungseinrichtungen enthaltende kodierungs- und dekodierungseinrichtung von bildern.
JPS54113230A (en) Data processing system using separate input*output processors
DK526584A (da) Buffersystem til et digitalt databehandlingsanlaegs indgangs/udgangssystem
DE3175708D1 (en) Computing system operating to assign registers to data
CA1033845A (en) Data processing system comprising input/output processors
DE3650335D1 (de) Rechenverfahren und -gerät für endlichfeldmultiplikation.
DE3582277D1 (de) Datenverarbeitungsapparat mit einem ein-/ausgabesteuergeraet zur unterbrechungssteuerung.
DE3579469D1 (de) Manuelle eingabevorrichtung zur lieferung von eingaben an eine datenverarbeitungsvorrichtung.
DE3586201D1 (de) Digitaler datenprozessor fuer matrix-vektor-multiplikation.
EP0212571A3 (de) Verfahren und Gerät zur Durchführung von diskreten Transformen
GB1557672A (en) Input output data processing system
DK151437C (da) System til at bringe et billede i register
BR8108198A (pt) Sistema e aparelho processador de dados para multiplicacao decimal
ES8305546A1 (es) Metodo de conversion de informacion de imagen.
MXPA03010424A (es) Aparato y metodo para codificar y computar una transformada discreta de coseno usando un procesador de mariposa.
HK86684A (en) A key input system for small-sized electronic devices such as electronic calcolators
DE3585972D1 (de) Rechner-vektorregisterverarbeitung.
GB2066990B (en) Computer input/output system for chinese data processing
DK519982A (da) Fremgangsmaade til drift af en databehandlingsindretning og indretning til udoevelse af fremgangsmaaden
DK32191D0 (da) Kodeindretning til omsaetning af et analogt indgangssignal til et digitalt indgangssignal
GB2080582B (en) Procedure and apparatus for conveying external input and output data to a processor system
JPS54158133A (en) Computer input*output device
NO165616C (no) Fremgangsmaate til aa registrere og vise tidsvariable fysiske stoerrelser.
KR910006864A (ko) 디지탈 신호 처리기
SU1606977A1 (ru) Устройство дл выполнени быстрых ортогональных преобразований

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee