DE69218494D1 - Fehlerdiffusionssignalverarbeitung - Google Patents

Fehlerdiffusionssignalverarbeitung

Info

Publication number
DE69218494D1
DE69218494D1 DE69218494T DE69218494T DE69218494D1 DE 69218494 D1 DE69218494 D1 DE 69218494D1 DE 69218494 T DE69218494 T DE 69218494T DE 69218494 T DE69218494 T DE 69218494T DE 69218494 D1 DE69218494 D1 DE 69218494D1
Authority
DE
Germany
Prior art keywords
signal processing
error diffusion
diffusion signal
error
processing
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 - Lifetime
Application number
DE69218494T
Other languages
English (en)
Inventor
Albert Durr Edgar
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 DE69218494D1 publication Critical patent/DE69218494D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N1/41—Bandwidth or redundancy reduction
    • 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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size
    • H04N1/4052—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size by error diffusion, i.e. transferring the binarising error to neighbouring dot decisions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
DE69218494T 1991-05-28 1992-05-19 Fehlerdiffusionssignalverarbeitung Expired - Lifetime DE69218494D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70646691A 1991-05-28 1991-05-28

Publications (1)

Publication Number Publication Date
DE69218494D1 true DE69218494D1 (de) 1997-04-30

Family

ID=24837705

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69218494T Expired - Lifetime DE69218494D1 (de) 1991-05-28 1992-05-19 Fehlerdiffusionssignalverarbeitung

Country Status (5)

Country Link
US (1) US5373455A (de)
EP (1) EP0516325B1 (de)
JP (1) JPH07112240B2 (de)
CA (1) CA2063879C (de)
DE (1) DE69218494D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5548332A (en) * 1994-04-18 1996-08-20 Panasonic Technologies, Inc. Apparatus and method for black shading correction
JP3272206B2 (ja) * 1995-08-04 2002-04-08 アルプス電気株式会社 画像表示方法および画像表示装置
US6052491A (en) * 1996-01-26 2000-04-18 Texas Instruments Incorporated Non-monotonic contour diffusion and algorithm
US6307978B1 (en) * 1998-06-03 2001-10-23 Wellesley College System and method for parallel error diffusion dithering
US6591398B1 (en) * 1999-02-12 2003-07-08 Sony Corporation Multiple processing system
US6594035B1 (en) * 1999-08-16 2003-07-15 Hewlett-Packard Development Company, L.P. System and memory-buffer management method for reducing random access memory requirements in error diffusion halftone applications
US6441867B1 (en) * 1999-10-22 2002-08-27 Sharp Laboratories Of America, Incorporated Bit-depth extension of digital displays using noise
US7233963B2 (en) * 2002-03-20 2007-06-19 Microsoft Corporation Systems and methods for diffusing clipping error
JP2006044045A (ja) * 2004-08-04 2006-02-16 Seiko Epson Corp 画像形成装置及び方法、画像形成システム
US8441687B2 (en) 2007-09-05 2013-05-14 Sony Corporation Image processing apparatus, image processing method, and program
JP4506847B2 (ja) 2008-02-08 2010-07-21 ソニー株式会社 階調変調装置、画像処理装置、画像処理方法およびプログラム
JP4605283B2 (ja) * 2008-10-24 2011-01-05 ソニー株式会社 画像処理装置、画像処理方法、およびプログラム
US8304045B2 (en) * 2010-02-26 2012-11-06 Guardian Industries Corp. Articles including anticondensation coatings and/or methods of making the same
JP6015698B2 (ja) 2014-03-24 2016-10-26 コニカミノルタ株式会社 画像処理装置及び画像処理装置が実行するプログラム
EP3204921B1 (de) * 2014-10-08 2020-10-07 Hewlett-Packard Development Company, L.P. Verbreitung eines fehlers in dreidimensionalen halbtonmodelldaten

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL174611C (nl) * 1975-06-12 1984-07-02 Philips Nv Differentieel pulscodemodulatie overdrachtstelsel.
US4186384A (en) * 1975-06-24 1980-01-29 Honeywell Inc. Signal bias remover apparatus
JPS52116103A (en) * 1976-03-26 1977-09-29 Kokusai Denshin Denwa Co Ltd Multistage selection dpcm system
JPS54114920A (en) * 1978-02-28 1979-09-07 Kokusai Denshin Denwa Co Ltd Television signal adaptive forecasting encoding system
USRE31720E (en) * 1979-08-30 1984-10-30 Deltalab Research, Inc. Digital encoding circuitry
US4254502A (en) * 1979-08-30 1981-03-03 Deltalab Research, Inc. Digital encoding circuitry
US4313204A (en) * 1979-10-29 1982-01-26 Deltalab Research, Inc. Digital encoding circuitry with means to reduce quantization noise
US4270027A (en) * 1979-11-28 1981-05-26 International Telephone And Telegraph Corporation Telephone subscriber line unit with sigma-delta digital to analog converter
FR2515450B1 (fr) * 1981-10-27 1986-01-24 Thomson Csf Procede, et systeme, de codage et decodage differentiel de donnees limitant la propagation des erreurs de transmission
JPH0752845B2 (ja) * 1985-10-04 1995-06-05 日本電気株式会社 差分符号化回路
WO1989006080A1 (en) * 1987-12-17 1989-06-29 Eastman Kodak Company Image processor with error diffusion modulated threshold matrix
CA2000705C (en) * 1988-10-14 1999-09-14 John S. Bowers Digital half-toning process with error diffusion
JPH07105724B2 (ja) * 1989-07-14 1995-11-13 ヤマハ株式会社 ディジタル・アナログ変換回路
US5020120A (en) * 1989-12-22 1991-05-28 Eastman Kodak Company Methods for reducing quantization error in hierarchical decomposition and reconstruction schemes
US5055843A (en) * 1990-01-31 1991-10-08 Analog Devices, Inc. Sigma delta modulator with distributed prefiltering and feedback

Also Published As

Publication number Publication date
CA2063879C (en) 1998-05-05
JPH05103204A (ja) 1993-04-23
EP0516325A3 (en) 1993-07-14
JPH07112240B2 (ja) 1995-11-29
EP0516325B1 (de) 1997-03-26
US5373455A (en) 1994-12-13
CA2063879A1 (en) 1992-11-29
EP0516325A2 (de) 1992-12-02

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