ATE159366T1 - Verfahren zur bildskalierung und zum filtern mit diskreter cosinustransformation - Google Patents

Verfahren zur bildskalierung und zum filtern mit diskreter cosinustransformation

Info

Publication number
ATE159366T1
ATE159366T1 AT95903160T AT95903160T ATE159366T1 AT E159366 T1 ATE159366 T1 AT E159366T1 AT 95903160 T AT95903160 T AT 95903160T AT 95903160 T AT95903160 T AT 95903160T AT E159366 T1 ATE159366 T1 AT E159366T1
Authority
AT
Austria
Prior art keywords
decimation
image data
spatial domain
discrete cosine
filtering
Prior art date
Application number
AT95903160T
Other languages
English (en)
Inventor
Munib A Wober
Michael L Reisch
Original Assignee
Polaroid 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 Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of ATE159366T1 publication Critical patent/ATE159366T1/de

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • 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
    • H04N19/10—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
    • H04N19/169—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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/59—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
    • 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
    • H04N2209/00—Details of colour television systems
    • H04N2209/04—Picture signal generators
    • H04N2209/041—Picture signal generators using solid-state devices
    • H04N2209/042—Picture signal generators using solid-state devices having a single pick-up sensor
    • H04N2209/045—Picture signal generators using solid-state devices having a single pick-up sensor using mosaic colour filter
    • H04N2209/046—Colour interpolation to calculate the missing colour values

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Discrete Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Holo Graphy (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Studio Circuits (AREA)
  • Editing Of Facsimile Originals (AREA)
AT95903160T 1993-11-30 1994-11-29 Verfahren zur bildskalierung und zum filtern mit diskreter cosinustransformation ATE159366T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15979593A 1993-11-30 1993-11-30

Publications (1)

Publication Number Publication Date
ATE159366T1 true ATE159366T1 (de) 1997-11-15

Family

ID=22574058

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95903160T ATE159366T1 (de) 1993-11-30 1994-11-29 Verfahren zur bildskalierung und zum filtern mit diskreter cosinustransformation

Country Status (8)

Country Link
US (1) US5740284A (de)
EP (1) EP0731957B1 (de)
JP (1) JPH09506193A (de)
KR (1) KR960706148A (de)
AT (1) ATE159366T1 (de)
CA (1) CA2171335A1 (de)
DE (1) DE69406306T2 (de)
WO (1) WO1995015538A1 (de)

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EP0665512B1 (de) * 1994-02-01 2000-05-10 Canon Kabushiki Kaisha Bildverarbeitungsverfahren und -gerät
US5802210A (en) * 1994-06-09 1998-09-01 Kabushiki Kaisha Toshiba Image processing system
US5706216A (en) * 1995-07-28 1998-01-06 Reisch; Michael L. System for data compression of an image using a JPEG compression circuit modified for filtering in the frequency domain
US6151420A (en) * 1995-12-15 2000-11-21 Polaroid Corporation Minimizing blocking artifacts in a filtered image
US5737019A (en) * 1996-01-29 1998-04-07 Matsushita Electric Corporation Of America Method and apparatus for changing resolution by direct DCT mapping
JP2002091691A (ja) * 2000-09-20 2002-03-29 Nagano Fujitsu Component Kk ポインティングデバイス
US6473533B1 (en) 1996-10-25 2002-10-29 Fuji Xerox Co., Ltd. Image encoding apparatus and image decoding apparatus
JP3625979B2 (ja) * 1997-02-28 2005-03-02 オリンパス株式会社 テレビカメラ装置
US6125210A (en) * 1997-10-24 2000-09-26 Intel Corporation Method and apparatus for two-dimensional wavelet recomposition
US6141456A (en) * 1997-12-31 2000-10-31 Hitachi America, Ltd. Methods and apparatus for combining downsampling and inverse discrete cosine transform operations
SG75179A1 (en) * 1998-07-14 2000-09-19 Thomson Consumer Electronics System for deriving a decoded reduced-resolution video signal from a coded high-definition video signal
AUPP779898A0 (en) * 1998-12-18 1999-01-21 Canon Kabushiki Kaisha A method of kernel selection for image interpolation
US6839471B1 (en) * 1999-04-08 2005-01-04 Vogt Iv Robert Extended discrete fourier transform and parametric image algorithms
US7099812B2 (en) * 1999-09-24 2006-08-29 Intrinsity, Inc. Grid that tracks the occurrence of a N-dimensional matrix of combinatorial events in a simulation using a linear index
US6970179B1 (en) 2000-05-12 2005-11-29 International Business Machines Corporation Method and apparatus for the scaling up of data
US7062098B1 (en) * 2000-05-12 2006-06-13 International Business Machines Corporation Method and apparatus for the scaling down of data
US6694059B1 (en) * 2000-05-19 2004-02-17 International Business Machines Corporation Robustness enhancement and evaluation of image information extraction
US6839468B1 (en) * 2000-06-28 2005-01-04 International Business Machines Corporation Scaling of multi-dimensional data in a hybrid domain
WO2002035380A1 (en) * 2000-10-23 2002-05-02 International Business Machines Corporation Faster transforms using scaled terms, early aborts, and precision refinements
US6450611B1 (en) 2001-02-14 2002-09-17 Lexmark International, Inc. Ink jet swath prediction method
US20030122584A1 (en) * 2001-07-02 2003-07-03 Boehm Fritz A. Software program that transforms an N-dimensional matrix of integers to a linear index
JP4347687B2 (ja) * 2001-07-26 2009-10-21 アイピージー・エレクトロニクス・５０３・リミテッド スケーラブルでないコード化された映像信号からスケーラブルなコード化された映像信号を生成するための方法とデバイス
KR100450939B1 (ko) * 2001-10-23 2004-10-02 삼성전자주식회사 이미지 축소를 위한 스케일-다운 기능을 가지는 압축비디오 복호화기 및 방법
KR20030053108A (ko) * 2001-12-22 2003-06-28 한국과학기술원 블록 이산코사인변환 영역에서의 영상 크기 변환 방법
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US20050105612A1 (en) * 2003-11-14 2005-05-19 Sung Chih-Ta S. Digital video stream decoding method and apparatus
AU2005226021B2 (en) * 2004-03-09 2010-05-13 Thomson Research Funding Corporation Reduced resolution update mode for advanced video coding
EP1880551A4 (de) * 2005-02-24 2011-12-07 Lg Electronics Inc Verfahren zum up- bzw. downsampling von daten eines videoblocks
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US7602974B2 (en) * 2005-10-21 2009-10-13 Mobilic Technology (Cayman) Corp. Universal fixed-pixel-size ISP scheme
EP2217133B1 (de) * 2007-11-09 2017-12-20 The Australian National University Verfahren und vorrichtung zur gesichtsfeldbeurteilung
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WO2011009196A1 (en) 2009-07-20 2011-01-27 Valorbec, Societe En Commandite Finite dataset interpolation method
KR101682147B1 (ko) 2010-04-05 2016-12-05 삼성전자주식회사 변환 및 역변환에 기초한 보간 방법 및 장치
WO2011133008A2 (ko) * 2010-04-23 2011-10-27 삼성전자 주식회사 영상의 변환 방법 및 장치, 역변환 방법 및 장치
WO2017151877A1 (en) * 2016-03-02 2017-09-08 MatrixView, Inc. Apparatus and method to improve image or video quality or encoding performance by enhancing discrete cosine transform coefficients
CN109255770B (zh) * 2018-07-16 2022-11-08 电子科技大学 一种图像变换域降采样方法
CN113223734A (zh) * 2021-06-17 2021-08-06 梅里医疗科技(洋浦)有限责任公司 基于算法、医学影像和大数据的疾病诊断和大健康管理平台
CN113792545B (zh) * 2021-11-16 2022-03-04 成都索贝数码科技股份有限公司 一种基于深度学习的新闻事件活动名称抽取方法
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Also Published As

Publication number Publication date
JPH09506193A (ja) 1997-06-17
US5740284A (en) 1998-04-14
CA2171335A1 (en) 1995-06-08
WO1995015538A1 (en) 1995-06-08
EP0731957A1 (de) 1996-09-18
KR960706148A (ko) 1996-11-08
EP0731957B1 (de) 1997-10-15
DE69406306T2 (de) 1998-01-29
DE69406306D1 (de) 1997-11-20

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