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; 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; 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
    • H04N19/169—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
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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JP2002091691A (ja) * 2000-09-20 2002-03-29 Nagano Fujitsu Component Kk ポインティングデバイス
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
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US6141456A (en) * 1997-12-31 2000-10-31 Hitachi America, Ltd. Methods and apparatus for combining downsampling and inverse discrete cosine transform operations
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US6694059B1 (en) * 2000-05-19 2004-02-17 International Business Machines Corporation Robustness enhancement and evaluation of image information extraction
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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
WO2003010972A1 (en) * 2001-07-26 2003-02-06 Koninklijke Philips Electronics N.V. Generating a scalable coded video signal fr om a non-scalable coded video signal
KR100450939B1 (ko) * 2001-10-23 2004-10-02 삼성전자주식회사 이미지 축소를 위한 스케일-다운 기능을 가지는 압축비디오 복호화기 및 방법
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US20050105612A1 (en) * 2003-11-14 2005-05-19 Sung Chih-Ta S. Digital video stream decoding method and apparatus
JP2007528675A (ja) * 2004-03-09 2007-10-11 トムソン リサーチ ファンディング コーポレイション Ａｖｃ用解像度低下更新モード
WO2006091041A1 (en) * 2005-02-24 2006-08-31 Lg Electronics Inc. Method for up-sampling/down-sampling data of a video block
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US7602974B2 (en) * 2005-10-21 2009-10-13 Mobilic Technology (Cayman) Corp. Universal fixed-pixel-size ISP scheme
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KR20110118598A (ko) * 2010-04-23 2011-10-31 삼성전자주식회사 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
US5740284A (en) 1998-04-14
KR960706148A (ko) 1996-11-08
EP0731957A1 (de) 1996-09-18
DE69406306T2 (de) 1998-01-29
WO1995015538A1 (en) 1995-06-08
EP0731957B1 (de) 1997-10-15
JPH09506193A (ja) 1997-06-17
CA2171335A1 (en) 1995-06-08
DE69406306D1 (de) 1997-11-20

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