DE69909364D1 - Vorrichtung und Methode zur Änderung der Grösse eines komprimiertes Bildes - Google Patents

Vorrichtung und Methode zur Änderung der Grösse eines komprimiertes Bildes

Info

Publication number
DE69909364D1
DE69909364D1 DE69909364T DE69909364T DE69909364D1 DE 69909364 D1 DE69909364 D1 DE 69909364D1 DE 69909364 T DE69909364 T DE 69909364T DE 69909364 T DE69909364 T DE 69909364T DE 69909364 D1 DE69909364 D1 DE 69909364D1
Authority
DE
Germany
Prior art keywords
changing
size
compressed image
compressed
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 - Lifetime
Application number
DE69909364T
Other languages
English (en)
Other versions
DE69909364T2 (de
Inventor
Dinei Afonsoo Ferrei Florencio
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.)
Sarnoff Corp
Original Assignee
Sarnoff 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 Sarnoff Corp filed Critical Sarnoff Corp
Publication of DE69909364D1 publication Critical patent/DE69909364D1/de
Application granted granted Critical
Publication of DE69909364T2 publication Critical patent/DE69909364T2/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
    • G06T3/00—Geometric image transformation in the plane of the image
    • G06T3/40—Scaling the whole image or part thereof
    • G06T3/4084—Transform-based scaling, e.g. 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/16—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter for a given display mode, e.g. for interlaced or progressive display mode
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H04N19/426—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
    • H04N19/428—Recompression, e.g. by spatial or temporal decimation
    • 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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • 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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
    • H04N19/645—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission by grouping of coefficients into blocks after the transform
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/115—Selection of the code volume for a coding unit prior to coding
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
DE69909364T 1998-05-07 1999-04-28 Vorrichtung und Methode zur Änderung der Grösse eines komprimiertes Bildes Expired - Lifetime DE69909364T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US8463298P 1998-05-07 1998-05-07
US84632P 1998-05-07
US160790 1998-09-25
US09/160,790 US6792149B1 (en) 1998-05-07 1998-09-25 Method and apparatus for resizing an image frame including field-mode encoding

Publications (2)

Publication Number Publication Date
DE69909364D1 true DE69909364D1 (de) 2003-08-14
DE69909364T2 DE69909364T2 (de) 2004-06-09

Family

ID=26771224

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69909364T Expired - Lifetime DE69909364T2 (de) 1998-05-07 1999-04-28 Vorrichtung und Methode zur Änderung der Grösse eines komprimiertes Bildes

Country Status (5)

Country Link
US (1) US6792149B1 (de)
EP (1) EP0955608B1 (de)
JP (1) JP4361987B2 (de)
DE (1) DE69909364T2 (de)
TW (1) TW416221B (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002112267A (ja) 2000-09-28 2002-04-12 Nec Corp 可変解像度復号処理装置
US7305697B2 (en) 2001-02-02 2007-12-04 Opentv, Inc. Service gateway for interactive television
US7143347B2 (en) * 2001-02-02 2006-11-28 Opentv, Inc. Method and apparatus for reformatting of content for display on interactive television
KR100450939B1 (ko) * 2001-10-23 2004-10-02 삼성전자주식회사 이미지 축소를 위한 스케일-다운 기능을 가지는 압축비디오 복호화기 및 방법
ATE292873T1 (de) 2001-11-30 2005-04-15 Matsushita Electric Ind Co Ltd Verfahren und vorrichtung zur stream-umsetzung, verfahren und vorrichtung zur datenaufzeichnung und datenaufzeichnungsmedium
US7760950B2 (en) * 2002-09-26 2010-07-20 Ntt Docomo, Inc. Low complexity and unified transforms for video coding
KR100376060B1 (en) * 2002-10-25 2003-03-17 Humax Co Ltd Method and system for re-setting image size using inverse discrete cosine transform
US7233703B2 (en) * 2003-03-25 2007-06-19 Sharp Laboratories Of America, Inc. Computation-reduced IDCT method for video coding
US7627187B2 (en) * 2003-09-24 2009-12-01 Ntt Docomo, Inc. Low complexity and unified transforms for video coding
BR122018015543B1 (pt) * 2004-09-20 2019-04-30 Sonic Ip, Inc. Filtro de desbloqueio de vídeo
US7925120B2 (en) * 2005-11-14 2011-04-12 Mediatek Inc. Methods of image processing with reduced memory requirements for video encoder and decoder
KR100809686B1 (ko) * 2006-02-23 2008-03-06 삼성전자주식회사 이산 여현 변환을 이용한 영상 리사이징 방법 및 장치
US8606023B2 (en) 2006-06-26 2013-12-10 Qualcomm Incorporated Reduction of errors during computation of inverse discrete cosine transform
US8699810B2 (en) 2006-06-26 2014-04-15 Qualcomm Incorporated Efficient fixed-point approximations of forward and inverse discrete cosine transforms
US8300698B2 (en) 2006-10-23 2012-10-30 Qualcomm Incorporated Signalling of maximum dynamic range of inverse discrete cosine transform
WO2009047684A2 (en) * 2007-10-08 2009-04-16 Nxp B.V. Video decoding
US8073291B2 (en) * 2007-10-17 2011-12-06 Seiko Epson Corporation Center based image resizer
KR101365444B1 (ko) * 2007-11-19 2014-02-21 삼성전자주식회사 영상의 해상도의 조정을 통하여 동영상을 효율적으로부호화/복호화하는 방법 및 장치
US8638844B2 (en) * 2008-07-01 2014-01-28 Mediatek Inc. Method and apparatus for storing decoded moving pictures with a reduced memory requirement
US8259801B2 (en) * 2008-10-12 2012-09-04 Mediatek Inc. Methods for coding digital media data with prediction information and prediction error information being respectively carried by different bit stream sections
US8264611B2 (en) * 2010-03-27 2012-09-11 Newport Media, Inc. System and method for video downscaling

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5355328A (en) 1991-09-27 1994-10-11 Northshore Laboratories, Inc. Resampling apparatus suitable for resizing a video image
US5262854A (en) 1992-02-21 1993-11-16 Rca Thomson Licensing Corporation Lower resolution HDTV receivers
JPH06197334A (ja) * 1992-07-03 1994-07-15 Sony Corp 画像信号符号化方法、画像信号復号化方法、画像信号符号化装置、画像信号復号化装置及び画像信号記録媒体
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
JP3392946B2 (ja) * 1993-07-15 2003-03-31 ペンタックス株式会社 電子スチルカメラ及び画像再生装置
US5872874A (en) 1995-04-26 1999-02-16 Hewlett-Packard Company Method and apparatus for scaling down images that are provided in a compressed data format
EP0753967A3 (de) 1995-07-14 1999-08-04 Siemens Aktiengesellschaft Verfahren und Schaltungsanordnung zur Decodierung eines Videodatenstroms
US5737019A (en) * 1996-01-29 1998-04-07 Matsushita Electric Corporation Of America Method and apparatus for changing resolution by direct DCT mapping
EP1134983B1 (de) * 1996-03-15 2003-07-02 Matsushita Electric Industrial Co., Ltd. Verfahren und Vorrichtung zur Codierung und Decodierung von Bildern

Also Published As

Publication number Publication date
TW416221B (en) 2000-12-21
JP4361987B2 (ja) 2009-11-11
JP2000050274A (ja) 2000-02-18
US6792149B1 (en) 2004-09-14
DE69909364T2 (de) 2004-06-09
EP0955608A1 (de) 1999-11-10
EP0955608B1 (de) 2003-07-09

Similar Documents

Publication Publication Date Title
DE69909364D1 (de) Vorrichtung und Methode zur Änderung der Grösse eines komprimiertes Bildes
DE69842100D1 (de) Verfahren und Vorrichtung zur Bildkodierung
DE60032689D1 (de) Verfahren und Vorrichtung zur Bildkompression
DE69515087T2 (de) Verfahren und Vorrichtung zur hemisphärischen Bildaufnahme
DE69913534D1 (de) Verfahren und vorrichtung zur bilderzeugung
DE69822002D1 (de) Methode und Vorrichtung zur Bildübertragung
DE69534664D1 (de) Vorrichtung und Methode zur Positionsbestimmung
DE60020956D1 (de) Verfahren und vorrichtung zur regelung der verfügbaren fähigkeiten eines gerätes
DE60236693D1 (de) Verfahren und Vorrichtung zur Bildverarbeitung
DE60108608D1 (de) Verfahren und Vorrichtung zur effizienten reaktiven Überwachung
DE69713173D1 (de) Vorrichtung zur Schräglaufkorrektur und Bilderzeugungsgerät
DE69926195D1 (de) Vorrichtung und Verfahren zur Bildgebung
DE59809798D1 (de) Vorrichtung und verfahren zur verstellung der übersetzung eines cvt
DE69529636T2 (de) Verfahren und Vorrichtung zur Bewegtbildkodierung
HK1063215A1 (en) Method and apparatus for monitoring the integrity of components and structures
DE69532014D1 (de) Vorrichtung und Methode zur Feststellung eines Punktes
DE69837361D1 (de) Verfahren und Vorrichtung zur Bildkodierung
DE69916407D1 (de) Vorrichtung und Verfahren zur Durchscheinkorrektur
DE69818413D1 (de) Bildherstellungverfahren und Vorrichtung zur Bildherstellung
DE69635357D1 (de) Methode und Vorrichtung zur räumlichen Ausrichtung
DE59814012D1 (de) Verfahren und Vorrichtung zur drehrichtungsgekoppelten Rückstellung eines Schalters
DE69932390D1 (de) Verfahren und Vorrichtung zur Bildrekonstruktion
DE69534054D1 (de) Verfahren und Vorrichtung zur Bilddatenkompression
DE60033716D1 (de) Verfahren und Vorrichtung zur Bilddatenkompression
DE69903937D1 (de) Vorrichtung und verfahren zur reduzierung der einschaltzeit eines kristalloszillators

Legal Events

Date Code Title Description
8364 No opposition during term of opposition