SG87060A1 - Error reduction in transformed digital data - Google Patents

Error reduction in transformed digital data

Info

Publication number
SG87060A1
SG87060A1 SG9905409A SG1999005409A SG87060A1 SG 87060 A1 SG87060 A1 SG 87060A1 SG 9905409 A SG9905409 A SG 9905409A SG 1999005409 A SG1999005409 A SG 1999005409A SG 87060 A1 SG87060 A1 SG 87060A1
Authority
SG
Singapore
Prior art keywords
digital data
error reduction
transformed digital
transformed
error
Prior art date
Application number
SG9905409A
Other languages
English (en)
Inventor
James Bright Martin
Laverne Mitchell Joan
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of SG87060A1 publication Critical patent/SG87060A1/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00Image coding
    • G06T9/007Transform coding, e.g. discrete cosine transform
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Multimedia (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
SG9905409A 1998-11-04 1999-11-01 Error reduction in transformed digital data SG87060A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/186,249 US6393155B1 (en) 1998-11-04 1998-11-04 Error reduction in transformed digital data

Publications (1)

Publication Number Publication Date
SG87060A1 true SG87060A1 (en) 2002-03-19

Family

ID=22684212

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9905409A SG87060A1 (en) 1998-11-04 1999-11-01 Error reduction in transformed digital data

Country Status (6)

Country Link
US (2) US6393155B1 (ko)
JP (1) JP3320390B2 (ko)
KR (1) KR100360013B1 (ko)
CN (1) CN1176433C (ko)
MY (1) MY123212A (ko)
SG (1) SG87060A1 (ko)

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US6678423B1 (en) * 2000-03-13 2004-01-13 International Business Machines Corporation Shift and/or merge of transformed data along two axes
US6909812B1 (en) * 2000-07-13 2005-06-21 Lucent Technologies Inc. Methods and apparatus for nearly lossless-concatenated block transform coding
US8270820B2 (en) * 2001-02-23 2012-09-18 Hewlett-Packard Development Company, L.P. Archiving and sharing of multimedia content
JP2004186934A (ja) * 2002-12-03 2004-07-02 Fuji Xerox Co Ltd 画像処理システム、画像形成装置、画像処理方法、およびプログラム
US10554985B2 (en) 2003-07-18 2020-02-04 Microsoft Technology Licensing, Llc DC coefficient signaling at small quantization step sizes
US8218624B2 (en) * 2003-07-18 2012-07-10 Microsoft Corporation Fractional quantization step sizes for high bit rates
US7602851B2 (en) * 2003-07-18 2009-10-13 Microsoft Corporation Intelligent differential quantization of video coding
US7738554B2 (en) 2003-07-18 2010-06-15 Microsoft Corporation DC coefficient signaling at small quantization step sizes
US7580584B2 (en) * 2003-07-18 2009-08-25 Microsoft Corporation Adaptive multiple quantization
US7801383B2 (en) * 2004-05-15 2010-09-21 Microsoft Corporation Embedded scalar quantizers with arbitrary dead-zone ratios
US7489826B2 (en) * 2004-10-07 2009-02-10 Infoprint Solutions Company, Llc Compensating for errors in performance sensitive transformations
US7643704B2 (en) * 2005-02-04 2010-01-05 Eastman Kodak Company Cropping a digital image and preserving reserves
JP4775756B2 (ja) * 2005-03-18 2011-09-21 富士ゼロックス株式会社 復号化装置及びそのプログラム
JP4645948B2 (ja) * 2005-03-18 2011-03-09 富士ゼロックス株式会社 復号化装置及びプログラム
US7778468B2 (en) * 2005-03-23 2010-08-17 Fuji Xerox Co., Ltd. Decoding apparatus, dequantizing method, and program thereof
JP4737711B2 (ja) * 2005-03-23 2011-08-03 富士ゼロックス株式会社 復号化装置、逆量子化方法、分布決定方法及びこのプログラム
JP2006270737A (ja) * 2005-03-25 2006-10-05 Fuji Xerox Co Ltd 復号化装置、分布推定方法、復号化方法及びこれらのプログラム
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US7974340B2 (en) * 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
US8238424B2 (en) 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
US8498335B2 (en) 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US8243797B2 (en) 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8442337B2 (en) 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
JP4468404B2 (ja) * 2007-05-02 2010-05-26 キヤノン株式会社 情報処理装置の制御方法、情報処理装置及びプログラム
US8331438B2 (en) 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
US8189933B2 (en) 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
US20120230395A1 (en) * 2011-03-11 2012-09-13 Louis Joseph Kerofsky Video decoder with reduced dynamic range transform with quantization matricies
JP2014068276A (ja) * 2012-09-26 2014-04-17 Olympus Imaging Corp 画像編集装置、画像編集方法、およびプログラム

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Patent Citations (2)

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US5675666A (en) * 1995-03-02 1997-10-07 Sony Corportion Image data compression method and apparatus with pre-processing to compensate for the blocky effect
GB2318472A (en) * 1996-10-09 1998-04-22 Sony Uk Ltd Generating inter-frame encoded video signals

Also Published As

Publication number Publication date
MY123212A (en) 2006-05-31
US6535645B2 (en) 2003-03-18
JP3320390B2 (ja) 2002-09-03
US20020081035A1 (en) 2002-06-27
KR100360013B1 (ko) 2002-11-07
JP2000151417A (ja) 2000-05-30
KR20000034994A (ko) 2000-06-26
CN1253337A (zh) 2000-05-17
US6393155B1 (en) 2002-05-21
CN1176433C (zh) 2004-11-17

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