JPH055140B2 - - Google Patents

Info

Publication number
JPH055140B2
JPH055140B2 JP58040458A JP4045883A JPH055140B2 JP H055140 B2 JPH055140 B2 JP H055140B2 JP 58040458 A JP58040458 A JP 58040458A JP 4045883 A JP4045883 A JP 4045883A JP H055140 B2 JPH055140 B2 JP H055140B2
Authority
JP
Japan
Prior art keywords
image data
rotation
uniform level
data
dimensional square
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 - Lifetime
Application number
JP58040458A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59167772A (ja
Inventor
Hiromasa Isobe
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 JPS59167772A (ja) 1984-09-21
JPH055140B2 true JPH055140B2 (en, 2012) 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 (en, 2012)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4712140A (en) * 1983-12-30 1987-12-08 International Business Machines Corporation Image reduction method
US4627020A (en) * 1983-12-30 1986-12-02 International Business Machines Corporation Method for rotating a binary image
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
US5819278A (en) * 1996-08-23 1998-10-06 Adobe Systems Incorporated Maintaining invalidation information in tiled image representations

Also Published As

Publication number Publication date
JPS59167772A (ja) 1984-09-21

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