JP4594420B2 - データ変換装置及びその制御方法 - Google Patents

データ変換装置及びその制御方法 Download PDF

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Publication number
JP4594420B2
JP4594420B2 JP2008331190A JP2008331190A JP4594420B2 JP 4594420 B2 JP4594420 B2 JP 4594420B2 JP 2008331190 A JP2008331190 A JP 2008331190A JP 2008331190 A JP2008331190 A JP 2008331190A JP 4594420 B2 JP4594420 B2 JP 4594420B2
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Japan
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input data
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JP2008331190A
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English (en)
Japanese (ja)
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JP2010154328A (ja
JP2010154328A5 (enExample
Inventor
忠義 中山
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2008331190A priority Critical patent/JP4594420B2/ja
Priority to US12/636,885 priority patent/US7916962B2/en
Priority to KR20090124531A priority patent/KR101219411B1/ko
Priority to CN200910254382XA priority patent/CN101765013B/zh
Priority to EP09180473.2A priority patent/EP2202644B1/en
Publication of JP2010154328A publication Critical patent/JP2010154328A/ja
Publication of JP2010154328A5 publication Critical patent/JP2010154328A5/ja
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion 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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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
    • G06F17/145—Square transforms, e.g. Hadamard, Walsh, Haar, Hough, Slant transforms
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Complex Calculations (AREA)
JP2008331190A 2008-12-25 2008-12-25 データ変換装置及びその制御方法 Expired - Fee Related JP4594420B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2008331190A JP4594420B2 (ja) 2008-12-25 2008-12-25 データ変換装置及びその制御方法
US12/636,885 US7916962B2 (en) 2008-12-25 2009-12-14 Data transforming apparatus and control method thereof
KR20090124531A KR101219411B1 (ko) 2008-12-25 2009-12-15 데이터 변환장치 및 그 제어 방법
CN200910254382XA CN101765013B (zh) 2008-12-25 2009-12-22 数据变换装置及其控制方法
EP09180473.2A EP2202644B1 (en) 2008-12-25 2009-12-22 Data transforming apparatus and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008331190A JP4594420B2 (ja) 2008-12-25 2008-12-25 データ変換装置及びその制御方法

Publications (3)

Publication Number Publication Date
JP2010154328A JP2010154328A (ja) 2010-07-08
JP2010154328A5 JP2010154328A5 (enExample) 2010-09-09
JP4594420B2 true JP4594420B2 (ja) 2010-12-08

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ID=41820359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008331190A Expired - Fee Related JP4594420B2 (ja) 2008-12-25 2008-12-25 データ変換装置及びその制御方法

Country Status (5)

Country Link
US (1) US7916962B2 (enExample)
EP (1) EP2202644B1 (enExample)
JP (1) JP4594420B2 (enExample)
KR (1) KR101219411B1 (enExample)
CN (1) CN101765013B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4933405B2 (ja) * 2007-11-13 2012-05-16 キヤノン株式会社 データ変換装置及びその制御方法
JP6801461B2 (ja) 2017-01-11 2020-12-16 富士通株式会社 情報処理装置、情報処理方法、及びプログラム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1320809C (zh) * 2001-08-29 2007-06-06 佳能株式会社 图像处理装置与方法
US7082450B2 (en) * 2001-08-30 2006-07-25 Nokia Corporation Implementation of a transform and of a subsequent quantization
US7194140B2 (en) * 2001-11-05 2007-03-20 Canon Kabushiki Kaisha Image processing apparatus and method which compresses image data of each region using a selected encoding method
JP3754957B2 (ja) * 2001-12-25 2006-03-15 キヤノン株式会社 アダマール変換処理方法及びその装置
US7188132B2 (en) * 2001-12-25 2007-03-06 Canon Kabushiki Kaisha Hadamard transformation method and apparatus
JP3902968B2 (ja) * 2002-03-26 2007-04-11 キヤノン株式会社 画像処理装置及びその制御方法及びコンピュータプログラム及び記憶媒体
JP3902990B2 (ja) * 2002-07-02 2007-04-11 キヤノン株式会社 アダマール変換処理方法及びその装置
JP4366250B2 (ja) * 2003-06-23 2009-11-18 キヤノン株式会社 データ変換処理装置及びプログラム
CN1642280B (zh) * 2004-01-01 2010-04-28 浙江大学 图像和视频信号的变换装置及其方法
JP4378245B2 (ja) * 2004-08-23 2009-12-02 キヤノン株式会社 データ変換装置及び方法
JP4236266B2 (ja) * 2004-08-27 2009-03-11 キヤノン株式会社 データ変換装置およびその方法
CN101106714A (zh) * 2007-07-29 2008-01-16 浙江大学 应用于视频和图像处理的变换方法

Also Published As

Publication number Publication date
CN101765013B (zh) 2012-08-29
CN101765013A (zh) 2010-06-30
JP2010154328A (ja) 2010-07-08
US7916962B2 (en) 2011-03-29
EP2202644A3 (en) 2017-07-12
KR101219411B1 (ko) 2013-01-11
KR20100075734A (ko) 2010-07-05
EP2202644B1 (en) 2018-08-29
EP2202644A2 (en) 2010-06-30
US20100166329A1 (en) 2010-07-01

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