TW335590B - Discrete consine converter - Google Patents

Discrete consine converter

Info

Publication number
TW335590B
TW335590B TW084105470A TW84105470A TW335590B TW 335590 B TW335590 B TW 335590B TW 084105470 A TW084105470 A TW 084105470A TW 84105470 A TW84105470 A TW 84105470A TW 335590 B TW335590 B TW 335590B
Authority
TW
Taiwan
Prior art keywords
converter
discrete
coefficients
consine
discrete cosine
Prior art date
Application number
TW084105470A
Other languages
English (en)
Inventor
Maki Yutaka
Kiyoshi Okamoto
Yoshihumi Matsumoto
Original Assignee
Matsushita Electric Ind Co Ltd
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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Application granted granted Critical
Publication of TW335590B publication Critical patent/TW335590B/zh

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
    • 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
    • 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
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/544—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices for evaluating functions by calculation
    • G06F7/5443—Sum of products

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Discrete Mathematics (AREA)
  • Computing Systems (AREA)
  • Complex Calculations (AREA)
TW084105470A 1994-05-10 1995-05-30 Discrete consine converter TW335590B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9619694 1994-05-10
JP26870194 1994-11-01

Publications (1)

Publication Number Publication Date
TW335590B true TW335590B (en) 1998-07-01

Family

ID=26437404

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084105470A TW335590B (en) 1994-05-10 1995-05-30 Discrete consine converter

Country Status (3)

Country Link
US (1) US5596518A (zh)
KR (1) KR0150350B1 (zh)
TW (1) TW335590B (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0714212A3 (en) * 1994-11-21 1999-03-31 SICAN, GESELLSCHAFT FÜR SILIZIUM-ANWENDUNGEN UND CAD/CAT NIEDERSACHSEN mbH Video decoder using concurrent processing and resource sharing
KR19990022657A (ko) * 1995-06-01 1999-03-25 나시모토 류조 이산코사인변환 연산회로
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
US6377970B1 (en) * 1998-03-31 2002-04-23 Intel Corporation Method and apparatus for computing a sum of packed data elements using SIMD multiply circuitry
KR100275933B1 (ko) * 1998-07-14 2000-12-15 구자홍 엠펙디코더의 역이산여현변환장치
DE69922137T2 (de) 1998-07-20 2005-04-07 Samsung Electronics Co., Ltd., Suwon Vorrichtung zur erzeugung von quasi orthogonaler kodemaske in einem mobilen kommunikationssystem
US6230180B1 (en) * 1998-10-14 2001-05-08 Conexant Systems, Inc. Digital signal processor configuration including multiplying units coupled to plural accumlators for enhanced parallel mac processing
JP3935678B2 (ja) * 2001-01-31 2007-06-27 富士通株式会社 Ｓｉｍｄ積和演算方法、積和演算回路、および、半導体集積回路装置
US20030182518A1 (en) * 2002-03-22 2003-09-25 Fujitsu Limited Parallel processing method for inverse matrix for shared memory type scalar parallel computer
US6940828B2 (en) * 2002-09-30 2005-09-06 Nokia Corporation Apparatus, and associated method, for transforming data in an OFDM communication system
WO2016167778A1 (en) 2015-04-16 2016-10-20 Hewlett Packard Enterprise Development Lp Resistive memory arrays for performing multiply-accumulate operations
JP7129857B2 (ja) * 2018-09-07 2022-09-02 ルネサスエレクトロニクス株式会社 積和演算装置、積和演算方法、及びシステム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791598A (en) * 1987-03-24 1988-12-13 Bell Communications Research, Inc. Two-dimensional discrete cosine transform processor
US5268853A (en) * 1989-12-01 1993-12-07 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
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
US5528528A (en) * 1993-03-29 1996-06-18 Intel Corporation Method, apparatus, and system for transforming signals
JP2677969B2 (ja) * 1993-12-27 1997-11-17 松下電器産業株式会社 直交変換装置

Also Published As

Publication number Publication date
KR950033919A (ko) 1995-12-26
US5596518A (en) 1997-01-21
KR0150350B1 (ko) 1998-10-15

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