DE60144176D1 - Bilddekompression von Transformkoeffizienten - Google Patents

Bilddekompression von Transformkoeffizienten

Info

Publication number
DE60144176D1
DE60144176D1 DE60144176T DE60144176T DE60144176D1 DE 60144176 D1 DE60144176 D1 DE 60144176D1 DE 60144176 T DE60144176 T DE 60144176T DE 60144176 T DE60144176 T DE 60144176T DE 60144176 D1 DE60144176 D1 DE 60144176D1
Authority
DE
Germany
Prior art keywords
transform coefficients
image decompression
decompression
image
coefficients
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
DE60144176T
Other languages
English (en)
Inventor
Akio Matsubara
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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
Priority claimed from JP2000344155A external-priority patent/JP2002152517A/ja
Priority claimed from JP2000344391A external-priority patent/JP2002152744A/ja
Priority claimed from JP2001142942A external-priority patent/JP4127465B2/ja
Priority claimed from JP2001195937A external-priority patent/JP2003018410A/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Application granted granted Critical
Publication of DE60144176D1 publication Critical patent/DE60144176D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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 Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
DE60144176T 2000-11-10 2001-11-06 Bilddekompression von Transformkoeffizienten Expired - Lifetime DE60144176D1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000344155A JP2002152517A (ja) 2000-11-10 2000-11-10 変換符号の画像伸長装置
JP2000344391A JP2002152744A (ja) 2000-11-10 2000-11-10 変換符号の画像伸長方法
JP2001142942A JP4127465B2 (ja) 2001-05-14 2001-05-14 画像伸張装置及び方法、並びに記録媒体
JP2001195937A JP2003018410A (ja) 2001-06-28 2001-06-28 変換符号の画像伸張装置、プログラムおよび記録媒体

Publications (1)

Publication Number Publication Date
DE60144176D1 true DE60144176D1 (de) 2011-04-21

Family

ID=27481768

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60144176T Expired - Lifetime DE60144176D1 (de) 2000-11-10 2001-11-06 Bilddekompression von Transformkoeffizienten

Country Status (3)

Country Link
US (2) US6870961B2 (de)
EP (1) EP1229738B1 (de)
DE (1) DE60144176D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60144176D1 (de) * 2000-11-10 2011-04-21 Ricoh Co Ltd Bilddekompression von Transformkoeffizienten
JP3922919B2 (ja) * 2001-12-11 2007-05-30 株式会社リコー 静止画像伸長装置及び静止画像伸長方法
JP3704515B2 (ja) * 2002-08-30 2005-10-12 Ｎｅｃアクセステクニカ株式会社 画像伸張装置及びその方法
US7558441B2 (en) * 2002-10-24 2009-07-07 Canon Kabushiki Kaisha Resolution conversion upon hierarchical coding and decoding
JP4189952B2 (ja) * 2002-11-22 2008-12-03 株式会社リコー 符号化復号化装置、符号化復号化用プログラム及び記憶媒体
US7711834B2 (en) * 2002-12-13 2010-05-04 Ricoh Co., Ltd. Network access to partial document images
FR2858096B1 (fr) * 2003-07-23 2005-12-30 Compression D Images En Reseau Procede de decodage d'image et dispositif de mise en oeuvre de ce procede
JP4603446B2 (ja) * 2004-09-29 2010-12-22 株式会社リコー 画像処理装置、画像処理方法および画像処理プログラム
US8081093B2 (en) * 2006-04-28 2011-12-20 Ricoh Company, Ltd. Code transforming apparatus and code transforming method
JP4898513B2 (ja) * 2007-03-26 2012-03-14 株式会社リコー クライアント・サーバシステム
US8457390B1 (en) 2008-10-10 2013-06-04 Cognex Corporation Method and apparatus for training a probe model based machine vision system
US20110184934A1 (en) * 2010-01-28 2011-07-28 Choudur Lakshminarayan Wavelet compression with bootstrap sampling
WO2012164896A1 (ja) * 2011-05-31 2012-12-06 パナソニック株式会社 画像処理装置及び画像処理方法並びにデジタルカメラ

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020120A (en) * 1989-12-22 1991-05-28 Eastman Kodak Company Methods for reducing quantization error in hierarchical decomposition and reconstruction schemes
WO1994023385A2 (en) * 1993-03-30 1994-10-13 Adrian Stafford Lewis Data compression and decompression
JPH07168809A (ja) * 1993-03-30 1995-07-04 Klics Ltd ウェーブレット変換方法及びウェーブレット変換回路
US6757438B2 (en) * 2000-02-28 2004-06-29 Next Software, Inc. Method and apparatus for video compression using microwavelets
EP0770246A4 (de) * 1994-07-14 1998-01-14 Johnson Grace Company Verfahren und gerät zur bildkompression
US5602589A (en) * 1994-08-19 1997-02-11 Xerox Corporation Video image compression using weighted wavelet hierarchical vector quantization
JP3213222B2 (ja) * 1995-11-02 2001-10-02 株式会社リコー 符号化方法
US5909518A (en) * 1996-11-27 1999-06-01 Teralogic, Inc. System and method for performing wavelet-like and inverse wavelet-like transformations of digital data
WO1998040842A1 (en) * 1997-03-11 1998-09-17 Computer Information And Sciences, Inc. System and method for image compression and decompression
JP3507685B2 (ja) * 1997-03-26 2004-03-15 富士通株式会社 画像通信表示システムおよびそのプログラム記憶媒体
DE69811072T2 (de) * 1997-05-30 2004-01-15 Interval Research Corp Verfahren und einrichtung zur auf wavelets basierten datenkompression
ES2545066T3 (es) * 1997-06-09 2015-09-08 Hitachi, Ltd. Medio de grabación de información de imágenes
US6259820B1 (en) * 1997-10-06 2001-07-10 Nec Research Institute, Inc. Progressive JPEG decoding
US6134350A (en) * 1998-02-18 2000-10-17 Dome Imaging Systems, Inc. Method of producing wavelets and compressing digital images and of restoring the digital images
US6041143A (en) * 1998-04-14 2000-03-21 Teralogic Incorporated Multiresolution compressed image management system and method
JP2000092486A (ja) * 1998-09-10 2000-03-31 Toshiba Corp 動画像送信装置および動画像再生装置ならびに動画像送信方法および動画像再生方法
JP3512346B2 (ja) 1998-10-15 2004-03-29 ソニー株式会社 ウェーブレット復号化装置及び方法
US6201897B1 (en) * 1998-11-09 2001-03-13 Earth Resource Mapping Transformation and selective inverse transformation of large digital images
JP2000165664A (ja) 1998-11-30 2000-06-16 Sony Corp 画像の解像度変換装置及び方法
US6757326B1 (en) * 1998-12-28 2004-06-29 Motorola, Inc. Method and apparatus for implementing wavelet filters in a digital system
US6778709B1 (en) * 1999-03-12 2004-08-17 Hewlett-Packard Development Company, L.P. Embedded block coding with optimized truncation
US6643406B1 (en) * 1999-07-28 2003-11-04 Polaroid Corporation Method and apparatus for performing linear filtering in wavelet based domain
JP2001189936A (ja) 1999-12-28 2001-07-10 Canon Inc 画像表示装置及び画像表示方法及びコンピュータ読み取り可能な記憶媒体
JP2002010216A (ja) * 2000-04-20 2002-01-11 Canon Inc 復号化装置及びその制御方法並びに記憶媒体
US6738520B1 (en) * 2000-06-19 2004-05-18 Intel Corporation Method of compressing an image
DE60144176D1 (de) * 2000-11-10 2011-04-21 Ricoh Co Ltd Bilddekompression von Transformkoeffizienten
JP2002152744A (ja) 2000-11-10 2002-05-24 Ricoh Co Ltd 変換符号の画像伸長方法
JP2002152517A (ja) 2000-11-10 2002-05-24 Ricoh Co Ltd 変換符号の画像伸長装置
US7245769B2 (en) * 2002-02-12 2007-07-17 Visioprime Archival of transformed and compressed data
JP4093405B2 (ja) * 2002-10-25 2008-06-04 株式会社リコー 画像処理装置、プログラム及び記憶媒体

Also Published As

Publication number Publication date
US20020057843A1 (en) 2002-05-16
US6870961B2 (en) 2005-03-22
EP1229738B1 (de) 2011-03-09
US20050175248A1 (en) 2005-08-11
US7181077B2 (en) 2007-02-20
EP1229738A1 (de) 2002-08-07

Similar Documents

Publication Publication Date Title
DE60136768D1 (de) Bildverarbeitung von aliasfreien Bildern
FI20010644A (fi) Merkkisekvenssin kielen määrittäminen
DE60141931D1 (de) Vergrösserung von Bilddatensätzen
DE60217126D1 (de) Herstellung von aminopyrimidinverbindungen
DE60144176D1 (de) Bilddekompression von Transformkoeffizienten
ATE413375T1 (de) Retinoide zur behandlung von emphysem
DE69818751D1 (de) Dekompression von interpolierten Bildern
DE60025449D1 (de) Bilderzeugungsgerät
DE60134758D1 (de) Schwimmbeckenabdeckung bestehend aus Profilen
FI20011324A0 (fi) Monitoimielin
DE60143834D1 (de) Bilderzeugungsgerät
DE60136672D1 (de) Bilddatenkomprimierung
DE60142051D1 (de) Herstellung von perfluorolefinen
DE60100444D1 (de) Faltenbalg-Kabeldurchführung
DE50209661D1 (de) Bildverarbeitungsverfahren
DE10194962T1 (de) Bildverarbeitungsverfahren
DE60219725D1 (de) Geräuschreduzierte Motorbremsung durch Dekompression
DE60140345D1 (de) Farbbildverarbeitungsverfahren
DE60007360D1 (de) Amorphe modifikation von torasemid
NO20004513D0 (no) Oksygenering av sjøvann
DE60113384D1 (de) Mechanische dekompressionsvorrichtung
DE60139101D1 (de) Halbtongerasterte Bildwiedergabe
DE60103185D1 (de) Standardweiss-Farbe
ATE354561T1 (de) Substituierte 1-aryl-but-3-enylamin- und 1-aryl- but-2-enylaminverbindungen
NO20025765L (no) Kombinasjonssett for behandling av malaria