DE69415229D1 - Vorrichtung für die inverse diskrete Cosinustransformation - Google Patents

Vorrichtung für die inverse diskrete Cosinustransformation

Info

Publication number
DE69415229D1
DE69415229D1 DE69415229T DE69415229T DE69415229D1 DE 69415229 D1 DE69415229 D1 DE 69415229D1 DE 69415229 T DE69415229 T DE 69415229T DE 69415229 T DE69415229 T DE 69415229T DE 69415229 D1 DE69415229 D1 DE 69415229D1
Authority
DE
Germany
Prior art keywords
discrete cosine
inverse discrete
cosine transformation
transformation
inverse
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 - Lifetime
Application number
DE69415229T
Other languages
English (en)
Other versions
DE69415229T2 (de
Inventor
Dong-Soo Kang
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.)
WiniaDaewoo Co Ltd
Original Assignee
Daewoo Electronics 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 Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Application granted granted Critical
Publication of DE69415229D1 publication Critical patent/DE69415229D1/de
Publication of DE69415229T2 publication Critical patent/DE69415229T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Algebra (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
  • Image Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
DE69415229T 1993-07-16 1994-07-18 Vorrichtung für die inverse diskrete Cosinustransformation Expired - Lifetime DE69415229T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930013512A KR960010199B1 (ko) 1993-07-16 1993-07-16 디지탈 신호처리 칩 제어장치

Publications (2)

Publication Number Publication Date
DE69415229D1 true DE69415229D1 (de) 1999-01-28
DE69415229T2 DE69415229T2 (de) 1999-07-08

Family

ID=19359467

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69415229T Expired - Lifetime DE69415229T2 (de) 1993-07-16 1994-07-18 Vorrichtung für die inverse diskrete Cosinustransformation

Country Status (6)

Country Link
US (1) US5519648A (de)
EP (1) EP0634726B1 (de)
JP (1) JPH07114533A (de)
KR (1) KR960010199B1 (de)
CN (1) CN1056028C (de)
DE (1) DE69415229T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3339726A1 (de) * 1983-11-03 1985-05-23 Huppert, Reinhold, 3560 Biedenkopf Kolbenmotor
JP4035789B2 (ja) * 1994-10-13 2008-01-23 富士通株式会社 逆離散コサイン変換装置
US6272257B1 (en) * 1997-04-30 2001-08-07 Canon Kabushiki Kaisha Decoder of variable length codes
US6259456B1 (en) 1997-04-30 2001-07-10 Canon Kabushiki Kaisha Data normalization techniques
US8416857B2 (en) * 2007-03-29 2013-04-09 James Au Parallel or pipelined macroblock processing
US8798383B1 (en) * 2011-03-28 2014-08-05 UtopiaCompression Corp. Method of adaptive structure-driven compression for image transmission over ultra-low bandwidth data links
US20130021350A1 (en) * 2011-07-19 2013-01-24 Advanced Micro Devices, Inc. Apparatus and method for decoding using coefficient compression

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5202847A (en) * 1990-07-31 1993-04-13 Inmos Limited Digital signal processing
US5349549A (en) * 1991-09-30 1994-09-20 Sony Corporation Forward transform processing apparatus and inverse processing apparatus for modified discrete cosine transforms, and method of performing spectral and temporal analyses including simplified forward and inverse orthogonal transform processing
JP2950682B2 (ja) * 1992-08-04 1999-09-20 シャープ株式会社 逆離散余弦変換演算装置
US5345408A (en) * 1993-04-19 1994-09-06 Gi Corporation Inverse discrete cosine transform processor

Also Published As

Publication number Publication date
EP0634726A3 (de) 1995-09-06
EP0634726A2 (de) 1995-01-18
KR960010199B1 (ko) 1996-07-26
CN1110859A (zh) 1995-10-25
DE69415229T2 (de) 1999-07-08
US5519648A (en) 1996-05-21
JPH07114533A (ja) 1995-05-02
EP0634726B1 (de) 1998-12-16
KR950005029A (ko) 1995-02-18
CN1056028C (zh) 2000-08-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DAEWOO ELECTRONICS CORP., SEOUL/SOUL, KR