CA1223334A - Method for converting the number of bits of input bit stream - Google Patents

Method for converting the number of bits of input bit stream

Info

Publication number
CA1223334A
CA1223334A CA000460688A CA460688A CA1223334A CA 1223334 A CA1223334 A CA 1223334A CA 000460688 A CA000460688 A CA 000460688A CA 460688 A CA460688 A CA 460688A CA 1223334 A CA1223334 A CA 1223334A
Authority
CA
Canada
Prior art keywords
bit
bits
image
pel
scaling
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
Application number
CA000460688A
Other languages
English (en)
French (fr)
Inventor
Min-Hsiung G. Tung
Hiroshi Yanagisawa
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 CA1223334A publication Critical patent/CA1223334A/en
Expired 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
    • G06T3/40—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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
CA000460688A 1983-08-25 1984-08-09 Method for converting the number of bits of input bit stream Expired CA1223334A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58154228A JPS6055767A (ja) 1983-08-25 1983-08-25 イメージのビット数を減少する方法及び装置
JP58-154228 1983-08-25

Publications (1)

Publication Number Publication Date
CA1223334A true CA1223334A (en) 1987-06-23

Family

ID=15579649

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000460688A Expired CA1223334A (en) 1983-08-25 1984-08-09 Method for converting the number of bits of input bit stream

Country Status (5)

Country Link
US (1) US4598283A (enExample)
EP (1) EP0137208B1 (enExample)
JP (1) JPS6055767A (enExample)
CA (1) CA1223334A (enExample)
DE (1) DE3484637D1 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4747154A (en) * 1983-09-29 1988-05-24 Matsushita Electric Industrial Co., Ltd. Image data expanding and/or contracting method and apparatus
JPS60149471A (ja) * 1984-01-17 1985-08-06 Tokyo Electric Co Ltd ドツトプリンタにおけるダブルハイト文字印字方法
JPS6172327A (ja) * 1984-09-17 1986-04-14 Casio Comput Co Ltd 画像メモリのアドレス分配方式
JPS61118791A (ja) * 1984-11-15 1986-06-06 株式会社東芝 フオント圧縮装置
JPS62247672A (ja) * 1985-11-27 1987-10-28 Sharp Corp 任意倍率での画像の拡大縮小方法
JPH0810462B2 (ja) * 1986-05-08 1996-01-31 日本電気株式会社 画像処理装置
JP2692797B2 (ja) * 1986-09-02 1997-12-17 キヤノン株式会社 画像処理装置
US4812376A (en) * 1987-10-15 1989-03-14 Wilson Greatbatch Ltd. Anode coating for lithium cell
JPH02134687A (ja) * 1988-11-15 1990-05-23 Sharp Corp 表示制御装置
US5162788A (en) * 1989-06-16 1992-11-10 Apple Computer, Inc. Chunky planar data packing apparatus and method for a video memory
US5140648A (en) * 1989-12-28 1992-08-18 Eastman Kodak Company Scaler gate array for scaling image data
DE59107510D1 (de) * 1990-12-04 1996-04-11 Siemens Ag Verfahren zum Umsetzen von Bilddaten für Faksimiledruckwerke mit unterschiedlichen Auflösungen
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
EP0529965A3 (en) * 1991-08-23 1993-12-08 Levien Raphael L High speed screening of images
US5359432A (en) * 1991-11-25 1994-10-25 Lexmark International, Inc. Printer page composition with color and text
JP2620576B2 (ja) * 1993-04-15 1997-06-18 インターナショナル・ビジネス・マシーンズ・コーポレイション ユーザが要求したフォントに従ってグラフィカル・ユーザ・インターフェースを調節する方法及びシステム
US5459484A (en) * 1994-04-29 1995-10-17 Proxima Corporation Display control system and method of using same
CA2148177A1 (en) * 1994-05-16 1995-11-17 Kent E. Biggs Method and apparatus for stretching bitmaps to non-integer multiples
US5706369A (en) * 1995-05-31 1998-01-06 Rockwell International Corporation Base-n resolution converter
US5838838A (en) * 1996-07-19 1998-11-17 Hewlett-Packard Company Down-scaling technique for bi-level images
US6181357B1 (en) 1998-02-17 2001-01-30 International Business Machines Corporation Method and system for the modification of the timing of a plurality of PEL clocks in an electrophotographic device
EP1451776B1 (en) * 2001-12-04 2006-05-03 Kodak Graphic Communications Canada Company System and method for scaling an image
WO2011141049A1 (en) * 2010-05-10 2011-11-17 Verigy (Singapore) Pte. Ltd. Apparatus for determining a number of successive equal bits preceding an edge within a bit stream and apparatus for reconstructing a repetitive bit sequence
CN103154755B (zh) 2010-08-12 2015-04-01 爱德万测试(新加坡)私人有限公司 用于生成参考扫描链测试数据的测试装置、测试系统和方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526419A (en) * 1975-07-07 1977-01-18 Fuji Xerox Co Ltd Dot matrix convertor
US4107662A (en) * 1976-02-17 1978-08-15 Hitachi, Ltd. Character generator for visual display devices
US4071855A (en) * 1976-03-03 1978-01-31 Xerox Corporation Encoder and decoder for bandwidth compression
JPS5449029A (en) * 1977-09-27 1979-04-18 Nippon Telegr & Teleph Corp <Ntt> Reducing method for character pattern
DE2814383C3 (de) * 1978-04-04 1981-03-26 Voest-Alpine Ag, Linz Vorrichtung zum gerichteten Ablegen von einzeln angeförderten biegeweichen Folien o. dgl.
GB2038142B (en) * 1978-12-15 1982-11-24 Ibm Image data compression
US4394693A (en) * 1979-03-23 1983-07-19 International Business Machines Corporation System and method for generating enlarged or reduced images
US4366508A (en) * 1980-03-07 1982-12-28 Xerox Corporation Image magnification and demagnification system
US4367533A (en) * 1980-08-25 1983-01-04 Xerox Corporation Image bit structuring apparatus and method
DE3036711C2 (de) * 1980-09-29 1985-08-01 Siemens AG, 1000 Berlin und 8000 München Verfahren zum Verkleinern von grafischen Mustern
GB2096866B (en) * 1981-04-10 1985-02-20 Philips Electronic Associated Improvements relating to character display
US4412252A (en) * 1981-06-01 1983-10-25 Ncr Corporation Image reduction system
SE431037B (sv) * 1982-06-23 1983-12-27 Ericsson Telefon Ab L M Sett for forminskning av tecken vid presentation pa en bildskerm samt anordning for genomforande av settet
JPS60100176A (ja) * 1983-11-05 1985-06-04 株式会社リコー 文字フオント縮小方式
US4569081A (en) * 1983-12-30 1986-02-04 International Business Machines Corporation Method for expansion of a digital image

Also Published As

Publication number Publication date
EP0137208A2 (de) 1985-04-17
DE3484637D1 (de) 1991-07-04
US4598283A (en) 1986-07-01
EP0137208B1 (de) 1991-05-29
JPS6055767A (ja) 1985-04-01
JPH0328874B2 (enExample) 1991-04-22
EP0137208A3 (en) 1987-05-06

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Legal Events

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