JPS59167772A - 画像デ−タ回転装置 - Google Patents

画像デ−タ回転装置

Info

Publication number
JPS59167772A
JPS59167772A JP58040458A JP4045883A JPS59167772A JP S59167772 A JPS59167772 A JP S59167772A JP 58040458 A JP58040458 A JP 58040458A JP 4045883 A JP4045883 A JP 4045883A JP S59167772 A JPS59167772 A JP S59167772A
Authority
JP
Japan
Prior art keywords
rotation
image data
data
divided
uniform level
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.)
Granted
Application number
JP58040458A
Other languages
English (en)
Japanese (ja)
Other versions
JPH055140B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Hiromasa Isobe
裕正 磯部
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP58040458A priority Critical patent/JPS59167772A/ja
Publication of JPS59167772A publication Critical patent/JPS59167772A/ja
Publication of JPH055140B2 publication Critical patent/JPH055140B2/ja
Granted legal-status Critical Current

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
    • G06T3/60—Rotation of whole images or parts thereof
    • G06T3/606—Rotation of whole images or parts thereof by memory addressing or mapping

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Digital Computer Display Output (AREA)
  • Memory System (AREA)
  • Controls And Circuits For Display Device (AREA)
JP58040458A 1983-03-11 1983-03-11 画像デ−タ回転装置 Granted JPS59167772A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58040458A JPS59167772A (ja) 1983-03-11 1983-03-11 画像デ−タ回転装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58040458A JPS59167772A (ja) 1983-03-11 1983-03-11 画像デ−タ回転装置

Publications (2)

Publication Number Publication Date
JPS59167772A true JPS59167772A (ja) 1984-09-21
JPH055140B2 JPH055140B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-01-21

Family

ID=12581197

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58040458A Granted JPS59167772A (ja) 1983-03-11 1983-03-11 画像デ−タ回転装置

Country Status (1)

Country Link
JP (1) JPS59167772A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60146367A (ja) * 1983-12-30 1985-08-02 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション イメ−ジ回転方法
US4712140A (en) * 1983-12-30 1987-12-08 International Business Machines Corporation Image reduction method
JPS6421680A (en) * 1987-07-17 1989-01-25 Nec Corp Image data processor
JPH04254890A (ja) * 1991-02-07 1992-09-10 Nec Corp イメージ回転処理方式
EP0825557A3 (en) * 1996-08-23 1998-10-28 Adobe Systems, Inc. Maintaining invalidation information for tiled images

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60146367A (ja) * 1983-12-30 1985-08-02 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション イメ−ジ回転方法
US4712140A (en) * 1983-12-30 1987-12-08 International Business Machines Corporation Image reduction method
JPS6421680A (en) * 1987-07-17 1989-01-25 Nec Corp Image data processor
JPH04254890A (ja) * 1991-02-07 1992-09-10 Nec Corp イメージ回転処理方式
EP0825557A3 (en) * 1996-08-23 1998-10-28 Adobe Systems, Inc. Maintaining invalidation information for tiled images

Also Published As

Publication number Publication date
JPH055140B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-01-21

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