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1978-08-05 |
1986-01-09 |
Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel |
Einrichtung zur gemischten Aufzeichnung von Rasterbildern und Strichinformationen
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JPS55146582A
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1979-04-27 |
1980-11-14 |
Matsushita Electric Ind Co Ltd |
Image recording method
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JPS5646364A
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*
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1979-09-10 |
1981-04-27 |
Xerox Corp |
Digital convertion in white and black image
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JPS5762664A
(en)
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1980-10-03 |
1982-04-15 |
Ricoh Co Ltd |
Binary processing method for analog picture signal
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US4365275A
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1981-05-08 |
1982-12-21 |
Delta Scan, Inc. |
Method for producing images on radiation sensitive recording mediums
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US4661859A
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1981-06-03 |
1987-04-28 |
Xerox Corporation |
Pulse width modulation greyscale system for halftone printer
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JPS58215654A
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1982-06-09 |
1983-12-15 |
Canon Inc |
カラ−画像処理方法
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JPS59122080A
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1982-12-27 |
1984-07-14 |
Leo Giken:Kk |
網点画像の発生方法
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JPS60165873A
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1984-02-09 |
1985-08-29 |
Dainippon Screen Mfg Co Ltd |
網点発生器のアドレス発生方法
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GB2163923B
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1984-08-30 |
1988-07-13 |
Ricoh Kk |
Color electrophotographic copying process
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JPH0683374B2
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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
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JPS63202182A
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1987-02-18 |
1988-08-22 |
Olympus Optical Co Ltd |
傾斜ドツトパタ−ン形成方法
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1987-06-25 |
1989-08-22 |
Canon Kabushiki Kaisha |
Halftone image recording method using recording data having a plurality of concentrations for one color
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1988-09-02 |
1990-04-10 |
Itek Graphix Corp. |
High resolution halftone dot generator system including LED array
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JPH0279670A
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1988-09-16 |
1990-03-20 |
Dainippon Screen Mfg Co Ltd |
網目版画像走査記録装置
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1988-10-19 |
1990-04-24 |
Eastman Kodak Company |
Digital halftoning with minimum visual modulation patterns
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1988-11-16 |
1990-04-10 |
Eastman Kodak Company |
Electronic graphic arts screener that suppresses Moire patterns using pseudo-random font selection
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1988-11-16 |
1990-04-17 |
Eastman Kodak Company |
Electronic graphic arts screener
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1988-11-16 |
1990-12-11 |
Eastman Kodak Company |
Apparatus for addressing a font to suppress Moire patterns occurring thereby and a method for use therein
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1989-03-06 |
1990-03-27 |
Spectrum Sciences B.V. |
Method of and means for printing a multilevel representation of an image
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1989-08-04 |
1993-12-28 |
Intergraph Corporation |
Rapid variable angle digital screening
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1989-11-08 |
1993-08-10 |
Adobe Systems Incorporated |
Method of producing halftone images
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EP0427380B1
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1989-11-08 |
1996-03-06 |
Adobe Systems Inc. |
Method of producing halftone images
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1989-11-13 |
1990-10-23 |
Eastman Kodak Company |
Scanning apparatus for halftone image screen writing
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DE69132230T2
(de)
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1990-01-19 |
2000-11-09 |
Canon K.K., Tokio/Tokyo |
Farbbildverarbeitungsanordnung
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1990-02-07 |
1993-05-25 |
Eastman Kodak Company |
Digital halftoning with correlated minimum visual modulation patterns
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GB9008318D0
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1990-04-12 |
1990-06-13 |
Crosfield Electronics Ltd |
Methods and apparatus for half-tone imaging
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1990-04-26 |
1991-11-07 |
Linotype Ag |
Verfahren zur digitalisierten rasterung einer halbton-bildvorlage
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1990-09-14 |
1993-11-02 |
Minnesota Mining And Manufacturing Company |
Non-perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
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1990-09-14 |
1993-10-12 |
Minnesota Mining And Manufacturing Company |
General kernel function for electronic halftone generation
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1990-09-14 |
1993-11-23 |
Minnesota Mining And Manufacturing Company |
Perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
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1990-09-14 |
1994-06-21 |
Minnesota Mining And Manufacturing Company |
Perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
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1990-09-14 |
1996-12-10 |
Minnesota Mining And Manufacturing Company |
Non-perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
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1990-12-31 |
1992-08-18 |
E. I. Du Pont De Nemours And Company |
Digital electronic system for halftone printing
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1991-02-08 |
1994-02-08 |
Adobe Systems Incorporated |
Methods of assigning pixels to cells of a halftone grid
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1991-02-25 |
1992-06-23 |
Ecrm |
Method and apparatus for generating digital, angled halftone screens using pixel candidate lists and screen angle correction to prevent moire patterns
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JP2618107B2
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1991-03-12 |
1997-06-11 |
三田工業株式会社 |
マトリクスアドレス生成装置およびそのアドレス生成装置を含む多値化階調処理装置
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1991-03-14 |
1995-04-27 |
Hell Ag Linotype |
Verfahren und Anordnung zur Herstellung von gerasterten Farbauszügen und Druckformen
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1991-06-24 |
1993-06-29 |
Xerox Corporation |
Screening circuit for variable angle screening of image pixels
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1991-06-26 |
1993-11-30 |
Sun Microsystems, Inc. |
Method and apparatus for the reduction of memory space required for a digital halftone system
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1991-08-06 |
1993-04-20 |
Eastman Kodak Company |
Tile-oriented technique for collectively performing image rotation, scaling and digital halftone screening
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1991-08-13 |
1997-11-24 |
Megadot Systems Ltd |
Preparing half tone images: dots have inwardly curved edges
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1991-08-13 |
2000-06-06 |
Megadot Systems Limited |
Method and apparatus for preparing color screens in a halftone image
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1991-09-03 |
1994-05-24 |
Levien Raphael L |
Screen generation for halftone screening of images using arbitrary distribution of transformed screen coordinates
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1991-09-03 |
1994-03-01 |
Levien Raphael L |
Screen generation for halftone screening of images
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1991-09-03 |
1995-08-15 |
Levien; Raphael L. |
Screen generation for halftone screening of images with reduction of irrational correction artifacts
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1991-09-03 |
1994-04-26 |
Levien Raphael L |
Screen generation for halftone screening of images using scan line segments of oversized screen scan lines
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DE69322914T2
(de)
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1992-08-17 |
1999-07-29 |
Bayer Corp., Agfa Division, Wilmington, Ma. |
Rasterfilter sowie Erzeugungsvorrichtung und -verfahren dafür
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JP2763992B2
(ja)
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1992-09-09 |
1998-06-11 |
大日本スクリーン製造株式会社 |
網点記録装置
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1992-09-28 |
1995-10-31 |
Granger; Edward M. |
Blue noise based technique for use in a halftone tile oriented screener for masking screener induced image artifacts
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1992-09-29 |
1994-03-01 |
Xerox Corporation |
Specific set of rotated screens for digital halftoning
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IL105343A
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1993-04-08 |
1997-02-18 |
Scitex Corp Ltd |
Apparatus and technique for generating a screen reproduction of an image
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1993-04-08 |
1998-04-21 |
Scitex Corporation Ltd. |
Apparatus and method for generating a screen reproduction of a color image including dot shape rotation
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1993-06-22 |
1996-11-05 |
Nec Corporation |
Color image processing apparatus capable of suppressing moire
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1993-09-30 |
1996-07-30 |
Apple Computer, Inc. |
System and method for halftoning using an overlapping threshold array
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1994-08-25 |
1995-06-20 |
Xerox Corporation |
Method and apparatus for implementing accurate angle screens
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JP3223803B2
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1995-08-23 |
2001-10-29 |
富士ゼロックス株式会社 |
画像処理装置
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EP0888683B1
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1996-03-18 |
2000-07-05 |
Xaar Technology Limited |
Interpolation of greyscale levels
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JPH1075375A
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1996-05-20 |
1998-03-17 |
Fuji Xerox Co Ltd |
画像処理装置、画像処理システムおよび画像処理用スクリーン生成方法
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1996-09-04 |
1997-12-23 |
Canon Information Systems, Inc. |
Halftoning with gradient-based selection of dither matrices
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1996-12-20 |
1998-04-28 |
Xerox Corporation |
Pipelined architecture for patterned halftone generation
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1997-03-07 |
1998-04-28 |
Xerox Corporation |
Method of producing tint dots with pairs of holladay halftones
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2001-08-03 |
2006-08-01 |
Elesys, Inc. |
Polar halftone methods for radial printing
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1998-05-08 |
2001-06-26 |
Xerox Corporation |
Apparatus and method for halftone hybrid screen generation
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1998-09-02 |
2001-05-01 |
Xerox Corporation |
Method of producing spot colors appearance with process color printing
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1998-12-28 |
2003-11-04 |
Xerox Corporation |
Marking engine and method to optimize tone levels in a digital output system
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1999-03-16 |
2010-08-31 |
Megadot Systems Limited |
Halftone patterns
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2000-08-01 |
2007-05-15 |
Eastman Kodak Company |
Gray level halftone processing
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2000-08-01 |
2006-07-18 |
Eastman Kodak Company |
Edge enhancement of gray level images
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JP2002057913A
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2000-08-01 |
2002-02-22 |
Nexpress Solutions Llc |
個人的好みに応じたカラー強調をもたらす像記録装置および像記録方法
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2000-08-01 |
2006-07-18 |
Eastman Kodak Company |
Edge enhancement processor and method with adjustable threshold setting
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2000-12-28 |
2005-10-18 |
Xerox Corporation |
Methods and systems for providing halftone screens
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2001-07-13 |
2006-01-10 |
Xerox Corporation |
Method for four-color zero-moire halftoning using non-orthogonal halftone cells
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2001-09-05 |
2006-09-19 |
Xerox Corporation |
System and method of performing halftone gamma correction in a printing environment
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JP4100157B2
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2002-12-09 |
2008-06-11 |
富士ゼロックス株式会社 |
画像形成装置及び方法
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2004-08-02 |
2006-02-02 |
Xerox Corporation. |
Method for minimizing boundary defects using halftone classes with matched harmonics
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2008-08-14 |
2011-11-22 |
Xerox Corporation |
Decoding of UV marks using a digital image acquisition device
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2008-09-30 |
2011-12-13 |
Xerox Corporation |
Content-aware resizing of uniform rosette color halftone images
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2008-09-30 |
2012-01-17 |
Xerox Corporation |
Content-aware uniform rosette color halftone image resizing using iterative determination of energy metrics
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2008-09-30 |
2011-12-13 |
Xerox Corporation |
Content-aware halftone image resizing using iterative determination of energy metrics
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2008-09-30 |
2011-09-20 |
Xerox Corporation |
Content-aware halftone image resizing
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2009-08-21 |
2013-09-17 |
Marvell International Ltd. |
On-the-fly halftone image generation
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2010-05-28 |
2013-10-22 |
Xerox Corporation |
Halftone tiling and halftoning for annular rasters
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EP3791567B1
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2019-07-18 |
2022-09-14 |
Hewlett-Packard Development Company, L.P. |
Memory device comprising coefficients for halftoning
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