KR101219411B1 - 데이터 변환장치 및 그 제어 방법 - Google Patents

데이터 변환장치 및 그 제어 방법 Download PDF

Info

Publication number
KR101219411B1
KR101219411B1 KR20090124531A KR20090124531A KR101219411B1 KR 101219411 B1 KR101219411 B1 KR 101219411B1 KR 20090124531 A KR20090124531 A KR 20090124531A KR 20090124531 A KR20090124531 A KR 20090124531A KR 101219411 B1 KR101219411 B1 KR 101219411B1
Authority
KR
South Korea
Prior art keywords
data
integer
input
conversion
input data
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 - Fee Related
Application number
KR20090124531A
Other languages
English (en)
Korean (ko)
Other versions
KR20100075734A (ko
Inventor
타다요시 나카야마
Original Assignee
캐논 가부시끼가이샤
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 캐논 가부시끼가이샤 filed Critical 캐논 가부시끼가이샤
Publication of KR20100075734A publication Critical patent/KR20100075734A/ko
Application granted granted Critical
Publication of KR101219411B1 publication Critical patent/KR101219411B1/ko
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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

Landscapes

  • 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)
KR20090124531A 2008-12-25 2009-12-15 데이터 변환장치 및 그 제어 방법 Expired - Fee Related KR101219411B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2008-331190 2008-12-25
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 (2)

Publication Number Publication Date
KR20100075734A KR20100075734A (ko) 2010-07-05
KR101219411B1 true KR101219411B1 (ko) 2013-01-11

Family

ID=41820359

Family Applications (1)

Application Number Title Priority Date Filing Date
KR20090124531A Expired - Fee Related KR101219411B1 (ko) 2008-12-25 2009-12-15 데이터 변환장치 및 그 제어 방법

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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030120691A1 (en) 2001-12-25 2003-06-26 Canon Kabushiki Kaisha Hadamard transformation method and apparatus

Family Cites Families (11)

* 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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030120691A1 (en) 2001-12-25 2003-06-26 Canon Kabushiki Kaisha Hadamard transformation method and apparatus

Also Published As

Publication number Publication date
JP4594420B2 (ja) 2010-12-08
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
KR20100075734A (ko) 2010-07-05
EP2202644B1 (en) 2018-08-29
EP2202644A2 (en) 2010-06-30
US20100166329A1 (en) 2010-07-01

Similar Documents

Publication Publication Date Title
US7912318B2 (en) Data transform apparatus and control method thereof
KR100912415B1 (ko) 변환 및 연속되는 양자화의 구현
JP3902990B2 (ja) アダマール変換処理方法及びその装置
US7188132B2 (en) Hadamard transformation method and apparatus
JP3796432B2 (ja) フィルタ処理装置およびフィルタ処理方法
KR101219411B1 (ko) 데이터 변환장치 및 그 제어 방법
US6766341B1 (en) Faster transforms using scaled terms
US10432937B2 (en) Adaptive precision and quantification of a wavelet transformed matrix
US8107767B2 (en) Data transform apparatus and control method thereof
US7421139B2 (en) Reducing errors in performance sensitive transformations
US7489826B2 (en) Compensating for errors in performance sensitive transformations
US7558815B2 (en) Processing of performance sensitive transforms
JP2003283840A (ja) フィルタ処理装置およびフィルタ処理方法
JP3754957B2 (ja) アダマール変換処理方法及びその装置
JP3543151B2 (ja) データ圧縮方法及びデータ圧縮装置
JP5451171B2 (ja) データ変換処理装置およびデータ変換処理方法
JP2011257806A (ja) データ変換方法、変換装置および画像符号化装置
WO2009057439A1 (en) Data transform apparatus and control method thereof
KR20040002115A (ko) 역 이산 코사인 변환 장치
KR20030049852A (ko) 역 이산 코사인 변환(ｉｄｃｔ) 장치

Legal Events

Date Code Title Description
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

R17-X000 Change to representative recorded

St.27 status event code: A-5-5-R10-R17-oth-X000

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000

FPAY Annual fee payment

Payment date: 20151224

Year of fee payment: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

FPAY Annual fee payment

Payment date: 20161227

Year of fee payment: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20180103

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20180103