PH25403A - Method, apparatus for enlarging or reducing an image on the basis of precalculated reference pel contribution rate data, two-dimensional reference window shifting amount data stored in a table memory - Google Patents

Method, apparatus for enlarging or reducing an image on the basis of precalculated reference pel contribution rate data, two-dimensional reference window shifting amount data stored in a table memory

Info

Publication number
PH25403A
PH25403A PH33529A PH33529A PH25403A PH 25403 A PH25403 A PH 25403A PH 33529 A PH33529 A PH 33529A PH 33529 A PH33529 A PH 33529A PH 25403 A PH25403 A PH 25403A
Authority
PH
Philippines
Prior art keywords
enlarging
basis
image
reducing
table memory
Prior art date
Application number
PH33529A
Other languages
English (en)
Inventor
Naoshi Suzuki
Hiroshi Yanagisawa
Taketoshi Yokemura
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 PH25403A publication Critical patent/PH25403A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/393—Enlarging or reducing
    • 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
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/393—Enlarging or reducing
    • H04N1/3935—Enlarging or reducing with modification of image resolution, i.e. determining the values of picture elements at new relative positions

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
PH33529A 1985-06-27 1986-03-14 Method, apparatus for enlarging or reducing an image on the basis of precalculated reference pel contribution rate data, two-dimensional reference window shifting amount data stored in a table memory PH25403A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60139267A JPS623372A (ja) 1985-06-27 1985-06-27 画像変換装置

Publications (1)

Publication Number Publication Date
PH25403A true PH25403A (en) 1991-06-03

Family

ID=15241302

Family Applications (1)

Application Number Title Priority Date Filing Date
PH33529A PH25403A (en) 1985-06-27 1986-03-14 Method, apparatus for enlarging or reducing an image on the basis of precalculated reference pel contribution rate data, two-dimensional reference window shifting amount data stored in a table memory

Country Status (9)

Country Link
US (1) US4725892A (ja)
EP (1) EP0212131B1 (ja)
JP (1) JPS623372A (ja)
KR (1) KR900008885B1 (ja)
CN (1) CN1018210B (ja)
DE (1) DE3687608D1 (ja)
GB (1) GB2177567B (ja)
IN (1) IN167388B (ja)
PH (1) PH25403A (ja)

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Also Published As

Publication number Publication date
JPS623372A (ja) 1987-01-09
US4725892A (en) 1988-02-16
KR870000817A (ko) 1987-02-20
GB8615526D0 (en) 1986-07-30
GB2177567B (en) 1989-04-05
EP0212131A3 (en) 1989-03-08
IN167388B (ja) 1990-10-20
KR900008885B1 (ko) 1990-12-11
EP0212131A2 (en) 1987-03-04
GB2177567A (en) 1987-01-21
CN86101346A (zh) 1986-12-24
CN1018210B (zh) 1992-09-09
EP0212131B1 (en) 1993-01-27
DE3687608D1 (de) 1993-03-11

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