TW324126B - Inverse discrete cosine transform processor - Google Patents

Inverse discrete cosine transform processor

Info

Publication number
TW324126B
TW324126B TW082103382A TW82103382A TW324126B TW 324126 B TW324126 B TW 324126B TW 082103382 A TW082103382 A TW 082103382A TW 82103382 A TW82103382 A TW 82103382A TW 324126 B TW324126 B TW 324126B
Authority
TW
Taiwan
Prior art keywords
matrix
discrete cosine
cosine transform
dct
inverse discrete
Prior art date
Application number
TW082103382A
Other languages
English (en)
Inventor
L Hoogenboom Christopher
Original Assignee
Gen Instrument Corp
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 Gen Instrument Corp filed Critical Gen Instrument Corp
Application granted granted Critical
Publication of TW324126B publication Critical patent/TW324126B/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
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Complex Calculations (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
TW082103382A 1993-04-19 1993-04-30 Inverse discrete cosine transform processor TW324126B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/046,382 US5345408A (en) 1993-04-19 1993-04-19 Inverse discrete cosine transform processor

Publications (1)

Publication Number Publication Date
TW324126B true TW324126B (en) 1998-01-01

Family

ID=21943146

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082103382A TW324126B (en) 1993-04-19 1993-04-30 Inverse discrete cosine transform processor

Country Status (10)

Country Link
US (1) US5345408A (zh)
EP (1) EP0621543B1 (zh)
JP (1) JPH07146853A (zh)
KR (1) KR100246878B1 (zh)
AT (1) ATE196377T1 (zh)
AU (1) AU664010B2 (zh)
CA (1) CA2121197C (zh)
DE (1) DE69425847T2 (zh)
NO (1) NO941402L (zh)
TW (1) TW324126B (zh)

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EP0575675B1 (en) * 1992-06-26 1998-11-25 Discovision Associates Method and apparatus for transformation of signals from a frequency to a time domaine
JP2725544B2 (ja) * 1992-11-12 1998-03-11 日本電気株式会社 Ｄｃｔ及び逆ｄｃｔ演算装置並びにその演算方法
KR960010199B1 (ko) * 1993-07-16 1996-07-26 배순훈 디지탈 신호처리 칩 제어장치
JPH07262175A (ja) * 1994-03-18 1995-10-13 Fujitsu Ltd 関数変換演算装置
US5825420A (en) * 1994-05-06 1998-10-20 National Science Council Processor for performing two-dimensional inverse discrete cosine transform
US6217234B1 (en) 1994-07-29 2001-04-17 Discovision Associates Apparatus and method for processing data with an arithmetic unit
EP0720103A1 (en) * 1994-12-29 1996-07-03 Daewoo Electronics Co., Ltd Two-dimensional inverse discrete cosine transform circuit
US5668748A (en) * 1995-04-15 1997-09-16 United Microelectronics Corporation Apparatus for two-dimensional discrete cosine transform
NL1000763C2 (nl) * 1995-07-10 1997-01-13 United Microelectronics Corp Apparaat voor tweedimensionale inverse discrete cosinustransformatie.
FR2736739B1 (fr) * 1995-07-12 1997-09-12 United Microelectronics Corp Dispositif de transformation bidimensionnelle inverse en cosinus discret
US5701263A (en) * 1995-08-28 1997-12-23 Hyundai Electronics America Inverse discrete cosine transform processor for VLSI implementation
US6421695B1 (en) 1995-10-28 2002-07-16 Lg Electronics Inc. Apparatus for implementing inverse discrete cosine transform in digital image processing system
KR100212268B1 (ko) * 1995-12-13 1999-08-02 윤종용 리의 알고리즘을 이용한 이산 코사인 역변환 시스템
JP3129392B2 (ja) * 1996-02-02 2001-01-29 日本電気株式会社 ２次元ｉｄｃｔ回路
US5854757A (en) * 1996-05-07 1998-12-29 Lsi Logic Corporation Super-compact hardware architecture for IDCT computation
US5845112A (en) * 1997-03-06 1998-12-01 Samsung Electronics Co., Ltd. Method for performing dead-zone quantization in a single processor instruction
US6295320B1 (en) * 1997-12-31 2001-09-25 Lg Electronics Inc. Inverse discrete cosine transforming system for digital television receiver
US6175594B1 (en) * 1998-05-22 2001-01-16 Ati Technologies, Inc. Method and apparatus for decoding compressed video
JP3586427B2 (ja) * 1998-12-14 2004-11-10 松下電器産業株式会社 Ｄｃｔ演算装置
US7123655B2 (en) * 2001-08-09 2006-10-17 Sharp Laboratories Of America, Inc. Method for reduced bit-depth quantization
US6819279B2 (en) * 2003-03-05 2004-11-16 Lecroy Corporation Method and apparatus for the recovery of signals acquired by an interleaved system of digitizers with mismatching frequency response characteristics
US7298925B2 (en) * 2003-09-30 2007-11-20 International Business Machines Corporation Efficient scaling in transform domain
US8570336B2 (en) * 2009-12-08 2013-10-29 Intel Corporation Texture unit for general purpose computing
WO2013095558A1 (en) * 2011-12-22 2013-06-27 Intel Corporation Method, apparatus and system for execution of a vector calculation instruction
CN103945226B (zh) * 2014-03-06 2017-08-25 京东方科技集团股份有限公司 一种视频解码的方法及其装置
US10356440B2 (en) * 2014-10-01 2019-07-16 Qualcomm Incorporated Scalable transform hardware architecture with improved transpose buffer
US20190179635A1 (en) * 2017-12-11 2019-06-13 Futurewei Technologies, Inc. Method and apparatus for tensor and convolution operations
KR102252311B1 (ko) * 2018-07-30 2021-05-14 부산대학교 산학협력단 저전력 디바이스 환경상에서 대용량 암호화 행렬 연산 최적화 처리 방법
US20200073636A1 (en) * 2018-08-31 2020-03-05 Qualcomm Incorporated Multiply-accumulate (mac) operations for convolutional neural networks
US20220171829A1 (en) 2019-03-11 2022-06-02 Untether Ai Corporation Computational memory
US11342944B2 (en) 2019-09-23 2022-05-24 Untether Ai Corporation Computational memory with zero disable and error detection
US11468002B2 (en) 2020-02-28 2022-10-11 Untether Ai Corporation Computational memory with cooperation among rows of processing elements and memory thereof

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FR2582424B1 (fr) * 1985-05-22 1989-06-30 Guichard Jacques Circuit de calcul rapide de la transformee en cosinus, directe ou inverse, d'un signal discret
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FR2603719B1 (fr) * 1986-09-04 1991-10-31 Duhamel Pierre Dispositif de determination de la transformee numerique d'un signal
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FR2626693B1 (fr) * 1987-12-03 1990-08-10 France Etat Dispositif et procede a memoire tampon, notamment pour la transposition matricielle ligne-colonne de sequences de donnees
FR2646046B1 (fr) * 1989-04-18 1995-08-25 France Etat Procede et dispositif de compression de donnees d'image par transformation mathematique a cout reduit de mise en oeuvre, notamment pour la transmission a debit reduit de sequences d'images
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JP2866754B2 (ja) * 1991-03-27 1999-03-08 三菱電機株式会社 演算処理装置

Also Published As

Publication number Publication date
ATE196377T1 (de) 2000-09-15
CA2121197A1 (en) 1994-10-20
KR100246878B1 (ko) 2000-03-15
JPH07146853A (ja) 1995-06-06
NO941402D0 (no) 1994-04-18
EP0621543B1 (en) 2000-09-13
EP0621543A2 (en) 1994-10-26
DE69425847D1 (de) 2000-10-19
AU664010B2 (en) 1995-10-26
AU5949194A (en) 1994-10-20
NO941402L (no) 1994-10-20
CA2121197C (en) 1999-06-01
DE69425847T2 (de) 2001-04-26
EP0621543A3 (en) 1995-08-09
US5345408A (en) 1994-09-06

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