DE3486075T2 - Bildverkleinerungsverfahren. - Google Patents

Bildverkleinerungsverfahren.

Info

Publication number
DE3486075T2
DE3486075T2 DE19843486075 DE3486075T DE3486075T2 DE 3486075 T2 DE3486075 T2 DE 3486075T2 DE 19843486075 DE19843486075 DE 19843486075 DE 3486075 T DE3486075 T DE 3486075T DE 3486075 T2 DE3486075 T2 DE 3486075T2
Authority
DE
Germany
Prior art keywords
reduction process
image reduction
image
reduction
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
DE19843486075
Other languages
English (en)
Other versions
DE3486075D1 (de
Inventor
Frederick Cole Mintzer
Karen Louise Anderson
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3486075D1 publication Critical patent/DE3486075D1/de
Publication of DE3486075T2 publication Critical patent/DE3486075T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06T3/602—Rotation of whole images or parts thereof by block rotation, e.g. by recursive reversal or rotation
    • 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)
  • Image Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
DE19843486075 1983-12-30 1984-12-11 Bildverkleinerungsverfahren. Expired - Fee Related DE3486075T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56731083A 1983-12-30 1983-12-30

Publications (2)

Publication Number Publication Date
DE3486075D1 DE3486075D1 (de) 1993-03-25
DE3486075T2 true DE3486075T2 (de) 1993-08-12

Family

ID=24266649

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843486075 Expired - Fee Related DE3486075T2 (de) 1983-12-30 1984-12-11 Bildverkleinerungsverfahren.

Country Status (4)

Country Link
EP (1) EP0177640B1 (de)
JP (1) JPS60146369A (de)
CA (1) CA1225478A (de)
DE (1) DE3486075T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1252902A (en) * 1985-10-31 1989-04-18 David R. Pruett Method for rotating a binary image
EP0597555B1 (de) * 1985-12-13 2002-07-10 Canon Kabushiki Kaisha Bildverarbeitungsgerät
JPH0810462B2 (ja) * 1986-05-08 1996-01-31 日本電気株式会社 画像処理装置
US5493415A (en) * 1989-04-27 1996-02-20 Canon Kabushiki Kaisha Imgae processing system
DE69029160T2 (de) * 1989-04-27 1997-04-03 Canon Kk Bildverarbeitungssystem
US5444550A (en) * 1989-04-28 1995-08-22 Canon Kabushiki Kaisha Image processing apparatus
GB9114177D0 (en) * 1991-07-01 1991-08-21 Marconi Instruments Ltd Methods of reducing the size of a display whilst substantially maintaining its information content
US5461707A (en) * 1993-10-15 1995-10-24 At&T Ipm Corp. Method of reducing document size for digital display
GB9323529D0 (en) * 1993-11-15 1994-01-05 Videologic Ltd Improvements in digital image signal processing
US5579445A (en) * 1993-12-17 1996-11-26 Xerox Corporation Image resolution conversion method that employs statistically generated multiple morphological filters
US5696845A (en) * 1993-12-17 1997-12-09 Xerox Corporation Method for design and implementation of an image resolution enhancement system that employs statistically generated look-up tables
US5724455A (en) * 1993-12-17 1998-03-03 Xerox Corporation Automated template design method for print enhancement
US5387985A (en) * 1993-12-17 1995-02-07 Xerox Corporation Non-integer image resolution conversion using statistically generated look-up tables
JP3234079B2 (ja) * 1993-12-22 2001-12-04 富士通株式会社 ビットマップイメージデータの縮小方式
KR0120570B1 (ko) * 1994-04-30 1997-10-29 김광호 디지탈 화상처리장치에 있어서 화상데이타 변배처리방법 및 회로
US5901274A (en) * 1994-04-30 1999-05-04 Samsung Electronics Co. Ltd. Method for enlargement/reduction of image data in digital image processing system and circuit adopting the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5192125A (en) * 1975-02-10 1976-08-12 Mojipataan no kakudaishukushohoshiki
JPS53132229A (en) * 1977-04-25 1978-11-17 Toyo Electric Mfg Co Ltd Name transferring device
GB2038142B (en) * 1978-12-15 1982-11-24 Ibm Image data compression
JPS59167772A (ja) * 1983-03-11 1984-09-21 Ricoh Co Ltd 画像デ−タ回転装置

Also Published As

Publication number Publication date
JPS60146369A (ja) 1985-08-02
CA1225478A (en) 1987-08-11
DE3486075D1 (de) 1993-03-25
JPH0551945B2 (de) 1993-08-04
EP0177640B1 (de) 1993-02-17
EP0177640A3 (en) 1986-07-23
EP0177640A2 (de) 1986-04-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee