DE69420794D1 - Kodierungsvorrichtung zur Bildkompression - Google Patents

Kodierungsvorrichtung zur Bildkompression

Info

Publication number
DE69420794D1
DE69420794D1 DE69420794T DE69420794T DE69420794D1 DE 69420794 D1 DE69420794 D1 DE 69420794D1 DE 69420794 T DE69420794 T DE 69420794T DE 69420794 T DE69420794 T DE 69420794T DE 69420794 D1 DE69420794 D1 DE 69420794D1
Authority
DE
Germany
Prior art keywords
image compression
coding device
coding
compression
image
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
DE69420794T
Other languages
English (en)
Other versions
DE69420794T2 (de
Inventor
Mitsuhiro Miyashita
Tatsushi Bannai
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69420794D1 publication Critical patent/DE69420794D1/de
Application granted granted Critical
Publication of DE69420794T2 publication Critical patent/DE69420794T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
DE69420794T 1993-06-10 1994-06-09 Kodierungsvorrichtung zur Bildkompression Expired - Fee Related DE69420794T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5138197A JPH06350854A (ja) 1993-06-10 1993-06-10 画像圧縮符号化装置

Publications (2)

Publication Number Publication Date
DE69420794D1 true DE69420794D1 (de) 1999-10-28
DE69420794T2 DE69420794T2 (de) 2000-05-11

Family

ID=15216355

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69420794T Expired - Fee Related DE69420794T2 (de) 1993-06-10 1994-06-09 Kodierungsvorrichtung zur Bildkompression

Country Status (4)

Country Link
US (1) US5966470A (de)
EP (1) EP0635807B1 (de)
JP (1) JPH06350854A (de)
DE (1) DE69420794T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6859495B1 (en) * 1996-10-31 2005-02-22 Mitsubishi Electric Research Laboratories, Inc. Digital video format converter and method therefor
US6760479B1 (en) * 1999-10-22 2004-07-06 Research Foundation Of The City University Of New York Super predictive-transform coding
US6882753B2 (en) * 2001-06-04 2005-04-19 Silicon Integrated Systems Corp. Adaptive quantization using code length in image compression
JP3859474B2 (ja) * 2001-09-06 2006-12-20 富士ゼロックス株式会社 符号変換装置、符号化装置および画像出力装置ならびにこれらの方法
FR2831016A1 (fr) * 2001-10-11 2003-04-18 Thomson Licensing Sa Procede et dispositif de decodage de donnees video codees selon la norme mpeg
US7046856B2 (en) * 2001-11-07 2006-05-16 Feria Erlan H Accelerated predictive-transform
US7379500B2 (en) * 2003-09-30 2008-05-27 Microsoft Corporation Low-complexity 2-power transform for image/video compression
EP1589687A1 (de) * 2004-04-23 2005-10-26 France Telecom Verfahren zum Senden eines Signals in einem Mehrantennensystem sowie entsprechendes Sendesignal und Kanalschätzungsverfahren
JP2013009272A (ja) * 2011-06-27 2013-01-10 Toshiba Corp 画像符号化装置、方法及びプログラム、並びに、画像復号化装置、方法及びプログラム
JP5756989B2 (ja) * 2013-12-19 2015-07-29 株式会社アクセル 符号化装置
CN103686173B (zh) * 2014-01-09 2017-03-01 英特尔公司 变换与反变换电路

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5411614A (en) * 1977-06-27 1979-01-27 Nec Corp Code conversion unit for digital signal
EP0339589A3 (de) * 1988-04-28 1992-01-02 Sharp Kabushiki Kaisha Orthogonales Transformationskodierungssystem für Bilddaten
US5073821A (en) * 1989-01-30 1991-12-17 Matsushita Electric Industrial Co., Ltd. Orthogonal transform coding apparatus for reducing the amount of coded signals to be processed and transmitted
JPH03145223A (ja) * 1989-10-30 1991-06-20 Toshiba Corp 可変長符号復調装置
JPH0486183A (ja) * 1990-07-30 1992-03-18 Matsushita Electric Ind Co Ltd 映像信号の記録再生装置
JPH0487469A (ja) * 1990-07-31 1992-03-19 Canon Inc 画像処理装置
JPH04221465A (ja) * 1990-12-21 1992-08-11 Matsushita Electric Ind Co Ltd 記録装置
US5313203A (en) * 1991-08-26 1994-05-17 Kabushiki Kaisha Toshiba Coding apparatus and method for coding information symbol strings by assigning fixed length codes thereto
GB2260459B (en) * 1991-10-04 1995-03-29 Sony Broadcast & Communication Serial data decoder
GB2260428B (en) * 1991-10-11 1995-03-08 Sony Broadcast & Communication Data Formatter
US5295203A (en) * 1992-03-26 1994-03-15 General Instrument Corporation Method and apparatus for vector coding of video transform coefficients
US5289548A (en) * 1992-06-30 1994-02-22 Loral Aerospace Corp. Compression and reconstruction of radiological images
KR960003452B1 (ko) * 1992-12-31 1996-03-13 대우전자주식회사 가변길이부호 복호장치
US5424733A (en) * 1993-02-17 1995-06-13 Zenith Electronics Corp. Parallel path variable length decoding for video signals

Also Published As

Publication number Publication date
EP0635807B1 (de) 1999-09-22
DE69420794T2 (de) 2000-05-11
US5966470A (en) 1999-10-12
EP0635807A1 (de) 1995-01-25
JPH06350854A (ja) 1994-12-22

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Legal Events

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