NL7706138A - Met behulp van een raster afgetast afbeeldings- stelsel. - Google Patents

Met behulp van een raster afgetast afbeeldings- stelsel.

Info

Publication number
NL7706138A
NL7706138A NL7706138A NL7706138A NL7706138A NL 7706138 A NL7706138 A NL 7706138A NL 7706138 A NL7706138 A NL 7706138A NL 7706138 A NL7706138 A NL 7706138A NL 7706138 A NL7706138 A NL 7706138A
Authority
NL
Netherlands
Prior art keywords
scanned image
image system
grid
grid scanned
scanned
Prior art date
Application number
NL7706138A
Other languages
English (en)
Dutch (nl)
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of NL7706138A publication Critical patent/NL7706138A/xx

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
    • H04N1/40—Picture signal circuits
    • H04N1/40068—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)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
NL7706138A 1976-06-03 1977-06-03 Met behulp van een raster afgetast afbeeldings- stelsel. NL7706138A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/692,604 US4032977A (en) 1976-06-03 1976-06-03 Gray scale interpolation technique

Publications (1)

Publication Number Publication Date
NL7706138A true NL7706138A (nl) 1977-12-06

Family

ID=24781270

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7706138A NL7706138A (nl) 1976-06-03 1977-06-03 Met behulp van een raster afgetast afbeeldings- stelsel.

Country Status (7)

Country Link
US (1) US4032977A (enExample)
JP (1) JPS5322309A (enExample)
CA (1) CA1097792A (enExample)
DE (1) DE2724967A1 (enExample)
FR (1) FR2354010A1 (enExample)
GB (1) GB1530114A (enExample)
NL (1) NL7706138A (enExample)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2009568B (en) * 1977-11-28 1982-03-24 Nippon Telegraph & Telephone Picture signal coding apparatus
US4215414A (en) * 1978-03-07 1980-07-29 Hughes Aircraft Company Pseudogaussian video output processing for digital display
US4193092A (en) * 1978-06-21 1980-03-11 Xerox Corporation Image interpolation system
DE2963153D1 (en) * 1978-06-26 1982-08-12 Environmental Res Inst Apparatus and method for generating a transformation of a first data matrix to form a second data matrix
GB2038142B (en) * 1978-12-15 1982-11-24 Ibm Image data compression
US4194221A (en) * 1978-12-26 1980-03-18 Xerox Corporation Automatic multimode continuous halftone line copy reproduction
US4259694A (en) * 1979-08-24 1981-03-31 Xerox Corporation Electronic rescreen technique for halftone pictures
US4280144A (en) * 1979-12-03 1981-07-21 International Business Machines Corporation Coarse scan/fine print algorithm
US4387395A (en) * 1981-04-08 1983-06-07 Satellite Business Systems Facsimile to video converter
US4437122A (en) 1981-09-12 1984-03-13 Xerox Corporation Low resolution raster images
US4427511A (en) 1982-08-12 1984-01-24 Roland Wohlgemuth Photo-induced electron transfer method
US4630307A (en) * 1984-09-10 1986-12-16 Eastman Kodak Company Signal processing method and apparatus for sampled image signals
EP0717551B1 (en) * 1986-02-14 2000-05-17 Canon Kabushiki Kaisha Image processing apparatus
USH996H (en) 1987-01-20 1991-11-05 Recognition Equipment Incorporated High resolution page image display system
US5025480A (en) * 1987-03-23 1991-06-18 Eastman Kodak Company Background referencing
JPS63245569A (ja) * 1987-03-31 1988-10-12 Yokogawa Medical Syst Ltd 画像表示処理装置
US4924521A (en) * 1987-12-18 1990-05-08 International Business Machines Corporation Image processing system and method employing combined black and white and gray scale image data
US7382929B2 (en) 1989-05-22 2008-06-03 Pixel Instruments Corporation Spatial scan replication circuit
JPH0767821B2 (ja) * 1990-02-26 1995-07-26 株式会社リコー 画像形成方法
US6009193A (en) * 1990-05-16 1999-12-28 Canon Kabushiki Kaisha Method and apparatus for converting N-value image to M-value image, for < NM
DE69231481T2 (de) * 1991-07-10 2001-02-08 Fujitsu Ltd., Kawasaki Bilderzeugungsgerät
US5351084A (en) * 1992-07-02 1994-09-27 Global Telecommunications Industries, Inc. Compressed video bit rate reduction system
US6181826B1 (en) 1992-07-22 2001-01-30 Eastman Kodak Company Method and associated apparatus for achieving additional signal level resolution from a quantized digital representation of an image
JP2978672B2 (ja) * 1993-01-28 1999-11-15 株式会社東芝 記録装置
JP3119150B2 (ja) * 1995-02-02 2000-12-18 富士ゼロックス株式会社 画像処理装置および画像処理方法
US5657430A (en) * 1996-03-07 1997-08-12 Hewlett-Packard Company Software-based procedure for conversion of a scalable font character bitmap to a gray level bitmap
US5754751A (en) * 1996-03-07 1998-05-19 Hewlett-Packard Company Software-based procedure and apparatus for enhancement of a gray level image
US5809217A (en) * 1997-01-10 1998-09-15 Hewlett-Packard Company Method and apparatus for deriving additional gray levels in a multi-gray level halftone image
JP5344918B2 (ja) * 2006-07-25 2013-11-20 株式会社Ｒｏｓｅｃｃ ３次元自動切断方法及び装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921124A (en) * 1956-12-10 1960-01-12 Bell Telephone Labor Inc Method and apparatus for reducing television bandwidth
GB1344312A (en) * 1971-08-27 1974-01-23 Post Office Digital encoding system
DE2358921B2 (de) * 1973-11-27 1976-12-09 Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg Semiparallele bildverarbeitung mittels bewegter rezeptorspalte und zweidimensionalem elektronischen speicherfeld

Also Published As

Publication number Publication date
FR2354010A1 (fr) 1977-12-30
CA1097792A (en) 1981-03-17
GB1530114A (en) 1978-10-25
US4032977A (en) 1977-06-28
FR2354010B1 (enExample) 1984-05-04
DE2724967A1 (de) 1977-12-15
JPS5322309A (en) 1978-03-01

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
BV The patent application has lapsed