IL99240A - Method and system for electronic creation of halves - tinting in electronic imaging systems - Google Patents

Method and system for electronic creation of halves - tinting in electronic imaging systems

Info

Publication number: IL99240A
Authority: IL; Israel
Prior art keywords: dots; halftone; rows; columns; screen
Prior art date: 1990-09-14

Application number

IL9924091A

Other languages

English (en)

Hebrew (he)

Other versions

IL99240A0 (en

Original Assignee

Minnesota Mining & Mfg

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.)

1990-09-14

Filing date

1991-08-20

Publication date

1995-06-29

1991-08-20 Application filed by Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg

1992-07-15 Publication of IL99240A0 publication Critical patent/IL99240A0/xx

1995-06-29 Publication of IL99240A publication Critical patent/IL99240A/en

Links

238000000034 method Methods 0.000 title claims description 53
230000006870 function Effects 0.000 claims description 91
238000007639 printing Methods 0.000 claims description 40
238000004422 calculation algorithm Methods 0.000 claims description 29
238000000926 separation method Methods 0.000 claims description 28
230000000737 periodic effect Effects 0.000 claims description 18
230000008569 process Effects 0.000 claims description 15
230000007246 mechanism Effects 0.000 claims description 4
238000003491 array Methods 0.000 claims 1
239000011159 matrix material Substances 0.000 description 12
239000003086 colorant Substances 0.000 description 9
230000008859 change Effects 0.000 description 8
230000008901 benefit Effects 0.000 description 6
230000000694 effects Effects 0.000 description 6
239000000203 mixture Substances 0.000 description 6
230000035945 sensitivity Effects 0.000 description 6
238000013459 approach Methods 0.000 description 4
230000033458 reproduction Effects 0.000 description 4
230000007704 transition Effects 0.000 description 4
239000000654 additive Substances 0.000 description 3
230000000996 additive effect Effects 0.000 description 3
238000003384 imaging method Methods 0.000 description 3
230000002452 interceptive effect Effects 0.000 description 3
230000004048 modification Effects 0.000 description 3
238000012986 modification Methods 0.000 description 3
230000003287 optical effect Effects 0.000 description 3
230000000007 visual effect Effects 0.000 description 3
239000007844 bleaching agent Substances 0.000 description 2
238000004364 calculation method Methods 0.000 description 2
238000012937 correction Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
238000013507 mapping Methods 0.000 description 2
229910052709 silver Inorganic materials 0.000 description 2
239000004332 silver Substances 0.000 description 2
-1 silver halide Chemical class 0.000 description 2
240000005002 Erythronium dens canis Species 0.000 description 1
241000961787 Josa Species 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
230000008602 contraction Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
230000005484 gravity Effects 0.000 description 1
238000011835 investigation Methods 0.000 description 1
238000007620 mathematical function Methods 0.000 description 1
238000005065 mining Methods 0.000 description 1
238000012887 quadratic function Methods 0.000 description 1
230000009467 reduction Effects 0.000 description 1
230000002441 reversible effect Effects 0.000 description 1
238000005070 sampling Methods 0.000 description 1
238000004088 simulation Methods 0.000 description 1
230000001629 suppression Effects 0.000 description 1
238000012360 testing method Methods 0.000 description 1

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
- H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
- H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
- H04N1/4058—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern with details for producing a halftone screen at an oblique angle

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Facsimile Image Signal Circuits (AREA)
Image Processing (AREA)
Color Image Communication Systems (AREA)
Color, Gradation (AREA)

IL9924091A 1990-09-14 1991-08-20 Method and system for electronic creation of halves - tinting in electronic imaging systems IL99240A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/582,524 US5253084A (en)	1990-09-14	1990-09-14	General kernel function for electronic halftone generation

Publications (2)

Publication Number	Publication Date
IL99240A0 IL99240A0 (en)	1992-07-15
IL99240A true IL99240A (en)	1995-06-29

Family

ID=24329484

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL9924091A IL99240A (en)	1990-09-14	1991-08-20	Method and system for electronic creation of halves - tinting in electronic imaging systems

Country Status (7)

Country	Link
US (1)	US5253084A (da)
EP (1)	EP0481602B1 (da)
JP (2)	JP3366655B2 (da)
CA (1)	CA2051331C (da)
DE (1)	DE69128064T2 (da)
DK (1)	DK0481602T3 (da)
IL (1)	IL99240A (da)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5642436A (en) *	1990-07-18	1997-06-24	Linotype-Hell Ag	Method for generating and storing digitalized density threshold values for the rastering of a half-tone picture original
US5341228A (en)	1990-12-04	1994-08-23	Research Corporation Technologies	Method and apparatus for halftone rendering of a gray scale image using a blue noise mask
US6072592A (en) *	1991-08-13	2000-06-06	Megadot Systems Limited	Method and apparatus for preparing color screens in a halftone image
EP0583776B1 (en) *	1992-08-17	1999-01-07	Bayer Corporation	A halftone screen generator, halftone screen and method for generating same
US5526143A (en) *	1992-09-16	1996-06-11	Scitex Corporation Ltd.	Apparatus and technique for generating a screened reproduction of an image
US5493323A (en) *	1993-08-05	1996-02-20	Xerox Corporation	Color images having multiple separations with minimally overlapping halftone dots
EP0680195B1 (en) *	1994-04-27	2002-08-07	Agfa-Gevaert	Clustered dot and line multilevel halftoning for electrographic colour printing
US5696604A (en) *	1995-01-04	1997-12-09	Xerox Corporation	Analytical halftone dot construction for a hyperacuity printer
US5748860A (en) *	1995-06-06	1998-05-05	R.R. Donnelley & Sons Company	Image processing during page description language interpretation
EP1249354A1 (en) *	1996-06-14	2002-10-16	Minnesota Mining And Manufacturing Company	Display unit and methods of displaying an image
US6690837B1 (en) *	1998-11-03	2004-02-10	Agfa-Gevaert	Screening method for overlapping sub-images
AU3337500A (en)	1999-03-16	2000-10-04	Megadot Systems Limited	Improvements relating to halftone patterns
US6628426B2 (en)	2001-05-22	2003-09-30	Lexmark International, Inc.	Method of halftone screen linearization via continuous gradient patches
US7079290B2 (en) *	2001-06-06	2006-07-18	International Business Machines Corporation	Halftoning method and system providing increased number of densities per basic halftone cell for constant input
JP2003066586A (ja) *	2001-08-24	2003-03-05	Tsuchiya Co Ltd	ドットパターンを有するシート及びドットパターンの形成方法
US7492480B2 (en) *	2001-08-27	2009-02-17	Phototype Engraving Company	System for halftone screen production
US7006250B2 (en) *	2001-09-27	2006-02-28	Lexmark International, Inc.	Method of setting laser power and developer bias in an electrophotographic machine based on an estimated intermediate belt reflectivity
US7570824B2 (en) *	2003-07-11	2009-08-04	Sharp Kabushiki Kaisha	Image processing method, image processor, image forming apparatus and memory product
US20050052706A1 (en) *	2003-09-10	2005-03-10	Nelson Terry M.	Location patterns and methods and apparatus for generating such patterns
JP5423626B2 (ja) *	2010-09-10	2014-02-19	コニカミノルタ株式会社	画像形成装置および画像形成方法
JP5423630B2 (ja) *	2010-09-24	2014-02-19	コニカミノルタ株式会社	画像形成装置および画像形成方法
EP4292274A4 (en) *	2021-02-11	2024-10-09	Hewlett-Packard Development Company, L.P.	HALF-TONE SCREEN PANELS

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1901101A1 (de) *	1969-01-10	1970-10-29	Hell Rudolf Dr Ing Fa	Verfahren zur punkt- und zeilenweisen gerasterten Aufzeichnung der durch Abtastung von Halbtonbildern gewonnenen Bildsignale mit gegen die Aufzeichnungsrichtung gedrehtem Raster
US4084183A (en) *	1970-03-18	1978-04-11	Dr. Ing. Rudolf Hell Gmbh.	Method for the electro-optical reproduction of half-tone pictures
US3911480A (en) *	1972-12-08	1975-10-07	John P Brucker	Generating screened half-tones by scanning
GB1493924A (en) *	1974-01-07	1977-11-30	Crosfield Electronics Ltd	Screened image reproduction
US4185304A (en) *	1977-07-07	1980-01-22	Xerox Corporation	Electronic halftone screening
DE2827596C2 (de) *	1978-06-23	1984-11-22	Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel	Verfahren und Anordnung zur Herstellung gerasterter Druckformen
EP0031247B1 (en) *	1979-12-20	1984-03-14	Cambridge Consultants Limited	Apparatus and method for generating a dispersed dot half tone picture from a continuous tone picture
US4456924A (en) *	1980-04-14	1984-06-26	Scitex Corporation Ltd.	Screened image reproduction
EP0047145B1 (en) *	1980-09-01	1988-03-16	Crosfield Electronics Limited	A method of producing a half-tone reproduction
DE3172094D1 (en) *	1981-01-24	1985-10-10	Hell Rudolf Dr Ing Gmbh	Screens for multicolour printing without colour drift
JPS57171337A (en) *	1981-04-14	1982-10-21	Dainippon Screen Mfg Co Ltd	Production of halftone plate picture
US4507685A (en) *	1982-06-25	1985-03-26	Canon Kabushiki Kaisha	Image recording device
JPS5978353A (ja) *	1982-10-28	1984-05-07	Dainippon Screen Mfg Co Ltd	網目版画像記録装置における網点形成方法
JPS60213170A (ja) *	1984-04-06	1985-10-25	Dainippon Screen Mfg Co Ltd	画像走査記録装置における網点パタ−ン発生方法
DE3437063A1 (de) *	1984-10-09	1986-04-17	Siemens AG, 1000 Berlin und 8000 München	Verfahren und anordnung zur darstellung eines halbtonbildes unter verwendung eines detektionsangepassten rasters
EP0204094B2 (en) *	1985-03-30	1998-08-19	Hitachi, Ltd.	Scanning recording type printing method and apparatus for realizing the same
JPS61225973A (ja) *	1985-03-30	1986-10-07	Konishiroku Photo Ind Co Ltd	多色像形成装置
JPH0683374B2 (ja) *	1986-02-14	1994-10-19	富士写真フイルム株式会社	網点画像の形成方法
JPS63202182A (ja) *	1987-02-18	1988-08-22	Olympus Optical Co Ltd	傾斜ドツトパタ−ン形成方法
JPS6444681A (en) *	1987-08-12	1989-02-17	Fuji Photo Film Co Ltd	Dot screen forming method
JPH01231473A (ja) *	1988-03-10	1989-09-14	Brother Ind Ltd	画像形成方法
US4894726A (en) *	1988-07-21	1990-01-16	Trustees Of The University Of Pennsylvania	Methods and apparatus for eliminating Moire interference using quasiperiodic patterns
US4920501A (en) *	1988-10-19	1990-04-24	Eastman Kodak Company	Digital halftoning with minimum visual modulation patterns
JPH0691621B2 (ja) *	1988-11-24	1994-11-14	大日本スクリーン製造株式会社	網目版画像記録方法および装置

1990
- 1990-09-14 US US07/582,524 patent/US5253084A/en not_active Expired - Lifetime
1991
- 1991-08-20 IL IL9924091A patent/IL99240A/en not_active IP Right Cessation
- 1991-09-13 DE DE69128064T patent/DE69128064T2/de not_active Expired - Fee Related
- 1991-09-13 EP EP91308413A patent/EP0481602B1/en not_active Expired - Lifetime
- 1991-09-13 DK DK91308413T patent/DK0481602T3/da active
- 1991-09-13 CA CA002051331A patent/CA2051331C/en not_active Expired - Fee Related
- 1991-09-17 JP JP26529991A patent/JP3366655B2/ja not_active Expired - Fee Related
2002
- 2002-07-10 JP JP2002201685A patent/JP3429300B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JPH04227162A (ja)	1992-08-17
EP0481602A2 (en)	1992-04-22
DE69128064T2 (de)	1998-04-09
DK0481602T3 (da)	1998-07-20
DE69128064D1 (de)	1997-12-04
JP2003158634A (ja)	2003-05-30
US5253084A (en)	1993-10-12
JP3366655B2 (ja)	2003-01-14
EP0481602B1 (en)	1997-10-29
JP3429300B2 (ja)	2003-07-22
IL99240A0 (en)	1992-07-15
CA2051331A1 (en)	1992-03-15
EP0481602A3 (en)	1993-03-03
CA2051331C (en)	2002-01-01

Legal Events

Date	Code	Title
1998-01-04	KB	Patent renewed
2001-11-25	KB	Patent renewed
2010-10-31	MM9K	Patent not in force due to non-payment of renewal fees

Publication	Publication Date	Title
US5583660A (en)	1996-12-10	Non-perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
US5323245A (en)	1994-06-21	Perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
EP0481602B1 (en)	1997-10-29	A general kernel function for electronic halftone generation
US5543941A (en)	1996-08-06	Method and apparatus for halftone rendering of a gray image using a blue noise mask
EP0560872B1 (en)	2000-08-02	Method and apparatus for halftone rendering of a gray scale image using a blue noise mask
EP0201674B1 (en)	1990-10-17	A method for reproducing multi-level digital images on a bi-level printer of fixed dot size
US4894726A (en)	1990-01-16	Methods and apparatus for eliminating Moire interference using quasiperiodic patterns
JPH0851546A (ja)	1996-02-20	周波数変調ハーフトーンスクリーンおよびその作成方法
US5515456A (en)	1996-05-07	Process for providing digital halftone image with random error diffusion, color correction and enlargement
US5489991A (en)	1996-02-06	Method for generating digital halftone images
JPH07299933A (ja)	1995-11-14	像再現システム
EP0254448B1 (en)	1993-10-27	Optimal color half-tone patterns for raster-scan images
US5264926A (en)	1993-11-23	Perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
US5260807A (en)	1993-11-09	Method and apparatus for imbedding controlled structure for gray scale rendering
EP0342845B1 (en)	1993-12-22	Producing half-tone images
US5258832A (en)	1993-11-02	Non-perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
JPH06105129A (ja)	1994-04-15	分離可能フィルターを使用する電子ハイファイスクリーンレス変換装置及び方法
EP0642258A2 (en)	1995-03-08	Frequency modulated halftone image and method for making same
US6002493A (en)	1999-12-14	Method for reproducing an image
CA2231816C (en)	2002-07-30	Method and apparatus for halftone rendering of a gray scale image using a blue noise mask