DE2724967A1 - Grauskala-interpolationsverfahren und -vorrichtung - Google Patents

Grauskala-interpolationsverfahren und -vorrichtung

Info

Publication number
DE2724967A1
DE2724967A1 DE19772724967 DE2724967A DE2724967A1 DE 2724967 A1 DE2724967 A1 DE 2724967A1 DE 19772724967 DE19772724967 DE 19772724967 DE 2724967 A DE2724967 A DE 2724967A DE 2724967 A1 DE2724967 A1 DE 2724967A1
Authority
DE
Germany
Prior art keywords
gray scale
imaging system
prediction
output data
predicted
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.)
Ceased
Application number
DE19772724967
Other languages
German (de)
English (en)
Inventor
Henry H J Liao
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.)
Xerox Corp
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 DE2724967A1 publication Critical patent/DE2724967A1/de
Ceased legal-status Critical Current

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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE19772724967 1976-06-03 1977-06-02 Grauskala-interpolationsverfahren und -vorrichtung Ceased DE2724967A1 (de)

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
DE2724967A1 true DE2724967A1 (de) 1977-12-15

Family

ID=24781270

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772724967 Ceased DE2724967A1 (de) 1976-06-03 1977-06-02 Grauskala-interpolationsverfahren und -vorrichtung

Country Status (7)

Country Link
US (1) US4032977A (cg-RX-API-DMAC7.html)
JP (1) JPS5322309A (cg-RX-API-DMAC7.html)
CA (1) CA1097792A (cg-RX-API-DMAC7.html)
DE (1) DE2724967A1 (cg-RX-API-DMAC7.html)
FR (1) FR2354010A1 (cg-RX-API-DMAC7.html)
GB (1) GB1530114A (cg-RX-API-DMAC7.html)
NL (1) NL7706138A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2851481A1 (de) * 1977-11-28 1979-05-31 Nippon Telegraph & Telephone Kodiereinrichtung fuer bildsignale

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3752315T2 (de) * 1986-02-14 2000-10-26 Canon K.K., Tokio/Tokyo Bildverarbeitungsgerät
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
US6016154A (en) * 1991-07-10 2000-01-18 Fujitsu Limited Image forming apparatus
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
US5754751A (en) * 1996-03-07 1998-05-19 Hewlett-Packard Company Software-based procedure and apparatus for enhancement of a gray level image
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
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
WO2008013138A1 (en) * 2006-07-25 2008-01-31 Rosecc Co Ltd Method and device for automatic three-dimensional cutting

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2358921A1 (de) * 1973-11-27 1975-06-05 Eltro Gmbh Semiparallele bildverarbeitung mittels bewegter rezeptorspalte und zweidimensionalem elektronischen speicherfeld

Family Cites Families (2)

* 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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2358921A1 (de) * 1973-11-27 1975-06-05 Eltro Gmbh Semiparallele bildverarbeitung mittels bewegter rezeptorspalte und zweidimensionalem elektronischen speicherfeld

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2851481A1 (de) * 1977-11-28 1979-05-31 Nippon Telegraph & Telephone Kodiereinrichtung fuer bildsignale

Also Published As

Publication number Publication date
GB1530114A (en) 1978-10-25
NL7706138A (nl) 1977-12-06
US4032977A (en) 1977-06-28
FR2354010A1 (fr) 1977-12-30
FR2354010B1 (cg-RX-API-DMAC7.html) 1984-05-04
CA1097792A (en) 1981-03-17
JPS5322309A (en) 1978-03-01

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection