[go: up one dir, main page]

DE60336414D1 - Verfahren zur bildgrössenveränderung mittels inverser diskreter kosinustransformation - Google Patents

Verfahren zur bildgrössenveränderung mittels inverser diskreter kosinustransformation

Info

Publication number
DE60336414D1
DE60336414D1 DE60336414T DE60336414T DE60336414D1 DE 60336414 D1 DE60336414 D1 DE 60336414D1 DE 60336414 T DE60336414 T DE 60336414T DE 60336414 T DE60336414 T DE 60336414T DE 60336414 D1 DE60336414 D1 DE 60336414D1
Authority
DE
Germany
Prior art keywords
discreter
inverse
image size
size change
change procedure
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
DE60336414T
Other languages
English (en)
Inventor
Jung Yong 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.)
Humax Co Ltd
Original Assignee
Humax 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 Humax Co Ltd filed Critical Humax Co Ltd
Application granted granted Critical
Publication of DE60336414D1 publication Critical patent/DE60336414D1/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
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4084—Scaling of whole images or parts thereof, e.g. expanding or contracting in the transform domain, e.g. fast Fourier transform [FFT] domain scaling
    • 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
    • H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
  • Television Systems (AREA)
  • Complex Calculations (AREA)
DE60336414T 2002-10-17 2003-01-28 Verfahren zur bildgrössenveränderung mittels inverser diskreter kosinustransformation Expired - Lifetime DE60336414D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20020063600A KR100930436B1 (ko) 2002-10-17 2002-10-17 이산 여현 역변환을 이용한 이미지 크기 재설정 방법
PCT/KR2003/000193 WO2004036909A1 (en) 2002-10-17 2003-01-28 Method for resizing images using the inverse discrete cosine transform

Publications (1)

Publication Number Publication Date
DE60336414D1 true DE60336414D1 (de) 2011-04-28

Family

ID=32089730

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60336414T Expired - Lifetime DE60336414D1 (de) 2002-10-17 2003-01-28 Verfahren zur bildgrössenveränderung mittels inverser diskreter kosinustransformation

Country Status (8)

Country Link
US (1) US7263239B2 (de)
EP (2) EP2239704B1 (de)
JP (1) JP4776925B2 (de)
KR (1) KR100930436B1 (de)
CN (1) CN100397888C (de)
AU (1) AU2003206199A1 (de)
DE (1) DE60336414D1 (de)
WO (1) WO2004036909A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100930436B1 (ko) * 2002-10-17 2009-12-08 (주)휴맥스 홀딩스 이산 여현 역변환을 이용한 이미지 크기 재설정 방법
KR100848816B1 (ko) * 2007-01-29 2008-07-28 경희대학교 산학협력단 정수 ｄｃｔ를 이용한 영상 이미지의 크기 변환 방법
US8081847B2 (en) * 2007-12-31 2011-12-20 Brandenburgische Technische Universitaet Cottbus Method for up-scaling an input image and an up-scaling system
US8873884B2 (en) * 2010-10-06 2014-10-28 International Business Machines Corporation Method and system for resizing an image
CN105825474A (zh) * 2016-03-31 2016-08-03 乐视控股（北京）有限公司 一种图像放大方法及装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5168375A (en) * 1991-09-18 1992-12-01 Polaroid Corporation Image reconstruction by use of discrete cosine and related transforms
KR100248584B1 (ko) * 1992-06-15 2000-03-15 구자홍 디스크리이트 코사인 변환프로세서
JPH06209467A (ja) * 1993-01-08 1994-07-26 Mitsubishi Electric Corp 画像符号化・復号化装置
US5614952A (en) * 1994-10-11 1997-03-25 Hitachi America, Ltd. Digital video decoder for decoding digital high definition and/or digital standard definition television signals
JPH06225213A (ja) * 1993-01-26 1994-08-12 Fuji Film Micro Device Kk 画像処理方法と装置
US6002809A (en) * 1993-04-15 1999-12-14 International Business Machines Corporation Digital image processor for image scaling
DE69406306T2 (de) * 1993-11-30 1998-01-29 Polaroid Corp Verfahren zur bildskalierung und zum filtern mit diskreter cosinustransformation
JPH07160865A (ja) * 1993-12-10 1995-06-23 Fujitsu General Ltd 静止画再生装置
KR0154919B1 (ko) * 1994-12-30 1998-11-16 배순훈 2차원 역이산 코사인 변환 회로
US5845015A (en) 1995-10-12 1998-12-01 Sarnoff Corporation Method and apparatus for resizing images using the discrete cosine transform
US5737019A (en) * 1996-01-29 1998-04-07 Matsushita Electric Corporation Of America Method and apparatus for changing resolution by direct DCT mapping
US6134270A (en) * 1997-06-13 2000-10-17 Sun Microsystems, Inc. Scaled forward and inverse discrete cosine transform and video compression/decompression systems employing the same
KR100240770B1 (ko) * 1997-07-11 2000-01-15 이형도 에너지보상/역보상기능을개선한스케러블부호화기및그방법
US6067384A (en) * 1997-09-11 2000-05-23 Canon Kabushiki Kaisha Fast scaling of JPEG images
US6310919B1 (en) * 1998-05-07 2001-10-30 Sarnoff Corporation Method and apparatus for adaptively scaling motion vector information in an information stream decoder
TW440804B (en) * 1998-05-07 2001-06-16 Sarnoff Corp Method and apparatus for resizing image information
AU4701999A (en) * 1998-06-19 2000-01-05 Equator Technologies, Inc. Decoding an encoded image having a first resolution directly into a decoded image having a second resolution
US6563955B2 (en) * 1998-11-13 2003-05-13 Xerox Corporation Method and apparatus for analyzing image data to use multiple transforms for enhanced image data transmission
KR20010049039A (ko) 1999-11-30 2001-06-15 윤종용 주파수 변환에 의한 영상확대방법
KR100586599B1 (ko) * 1999-12-31 2006-06-02 주식회사 케이티 이산여현변환을 위한 비동기식 매트릭스-벡터 곱셈기
JP3775180B2 (ja) * 2000-07-24 2006-05-17 富士ゼロックス株式会社 画像処理方法及び装置
US20030021486A1 (en) * 2001-07-27 2003-01-30 Tinku Acharya Method and apparatus for image scaling
KR100930436B1 (ko) * 2002-10-17 2009-12-08 (주)휴맥스 홀딩스 이산 여현 역변환을 이용한 이미지 크기 재설정 방법

Also Published As

Publication number Publication date
WO2004036909A1 (en) 2004-04-29
CN1698371A (zh) 2005-11-16
JP2006503488A (ja) 2006-01-26
CN100397888C (zh) 2008-06-25
US7263239B2 (en) 2007-08-28
JP4776925B2 (ja) 2011-09-21
EP1563679B1 (de) 2011-03-16
US20040076334A1 (en) 2004-04-22
EP1563679A4 (de) 2008-12-24
KR100930436B1 (ko) 2009-12-08
AU2003206199A1 (en) 2004-05-04
KR20040034943A (ko) 2004-04-29
EP2239704A1 (de) 2010-10-13
EP2239704B1 (de) 2011-12-28
EP1563679A1 (de) 2005-08-17

Similar Documents

Publication Publication Date Title
ATA17702001A (de) Einrichtung zur aufnahme eines objektraumes
DE60310588D1 (de) Bürogerät zur Farbbilderzeugung
DE602004027198D1 (de) System zur Bildverarbeitung
DE602004026384D1 (de) Gerät zur Hautbeobachtung
DE60317782D1 (de) Gerät zur transkranialen Elektrosimulation
DE602004020032D1 (de) Bildaufnahmevorrichtung und Verfahren zur Bildsynthese
DE50212406D1 (de) Verfahren zur Aufnahme eines Objektraumes
DE602004021875D1 (de) Vorrichtung zur Bildaufnahme
DE602005014390D1 (de) Gerätesystem zur In-vivo-Informationserfassung
FI20031156A0 (fi) Liotusmenetelmä
DE50312031D1 (de) Einrichtung zur erzeugung eines bildes
DE60332799D1 (de) Umschaltbare Anzeigevorrichtung zur zwei - und dreidimensionalen Bildanzeige
AT6199U3 (de) Handgerät zur schmerzreduktion
DE60314676D1 (de) Vorrichtung zur Einparkhilfe
DE60301026D1 (de) System zur Untersuchung von stereoskopischen Bildmerkmalen
DE60238574D1 (de) Zur Vermeidung eines überhöhten Temperaturanstieges in der Fixiereinheit ausgelegter Bilderzeugungsapparat
NO20055043D0 (no) Fremgangsmate for bildekoding
DE602004018855D1 (de) Chirurgisches navigationsinstrument zur markierung von anatomischen strukturen
DE602004005520D1 (de) Anordnung und Verfahren zur Bilderkennung
DE602005010977D1 (de) Verfahren und System zur Farbauswahl mittels semantische Farbnamen
DE602004021313D1 (de) Bildaufzeichnungsvorrichtung
DE60302924D1 (de) Anpassungsfähige nichtlineare Bildvergrösserung mittels Wavelet-Transformkoeffizienten
DE602005001124D1 (de) Gerät zur Reinigung einer Bildübertragungsvorrichtung
DE602004019622D1 (de) System und Verfahren zur Benutzerunterstützung
DE602005015889D1 (de) System und verfahren zur bildtransformation