СПИСОК патентов США - подгруппа МПК16 H04N1/52


Выделить слова в названиях патентов:


№ п/п Номер патента Название патента

2017

19609174Determining a special-toner screen based on a type of gradation process for a color-toner screen
29609173Memory control circuit and image forming apparatus
39607576Hybrid scalar-vector dithering display methods and apparatus
49592689Image processing apparatus, image processing method, and storage medium
59584703Method and apparatus for finding data quantisation error
69584700Color separation table optimized for a printing process according to a print attribute by selecting particular Neugebauer primaries and Neugebauer primary area coverages
79578207Systems and methods for selectively screening image data
89552654Spatio-temporal color luminance dithering techniques
99544471Print control apparatus, print control method, and print control program

2016

109531914Color changing effects with cross-halftone prints on metal
119524701Display apparatus and method for processing image thereof
129508031Computer programs and methods for generating 1-bit image data from multiple-bit image data
139497356Color reproduction, pattern hiding and image alternations with halftone prints on metal
149462159Image processing device, method and inkjet recording device
159454720Method and system for halftone printing
169451129Method for calculating a spot color database
179443175Color converting apparatus and a color converting method
189421790Method of providing delayed, shifted or reordered dot data to spatially separated printheads printing different color planes
199392139Method for printing a colour pixel matrix on a physical medium by printing oblique lines and associated control device
209363416Digital image attribute plane compression
219363415Printing apparatus, printing data generation apparatus and method therefor, and printing data generation program
229361559Image processing device and method, program, and image forming device
239332155Digital image halftone conversion with selective enhancement
249286554System and method for halftone printing in a three-dimensional object printer
259264578Image processing apparatus, image processing method and computer readable recording medium storing program
269237254Image processing apparatus and image processing method for forming a high-quality image by controlling superimposition of dots to be printed in multi-pass printing
279230206Image forming with save mode for reducing color material cost

2015

289208417Image processing apparatus, recording method, and storage medium for outputting image data expressing halftone dots
299195917Dither pattern forming method and dither pattern
309183619Repair or editing of damaged (torn) scanned halftone prints
319137422Image processing in contone space and halftone space
329124842Image data generation method, image recording method, image data generation apparatus, and image recording apparatus
339116454Density detection apparatus and method and image forming apparatus
349113104Image processing apparatus and image processing method to perform screen processing for image data
359106865Multi-bit error diffusion
369106864Multi-bit error diffusion
379100625Image processing apparatus, method, and program product for correcting reproduction characteristics based on differences between first and second formed charts and target values
389092720Generating and using blue noise dither patterns with high value thresholds positioned for a high dot concentration ratio
399087291Image processing apparatus and method setting thresholds of dither patterns based on density range and generating binary data depending on thresholds of target pixels
409076089Image processing apparatus and method for printing according to a dot-arrangement matrix
419056485Color medical imaging on film
429001379Image forming apparatus and image forming method thereof
438995855Printing device that executes calibration at frequency suited to user demand
448970909Image forming apparatus

2014

458885223On-the-fly halftone image generation
468861038Method for combining direct binary search halftoning with ink saving
478730547Lattice-based screen design for N-color all-orders moire-free screen set

2013

488564839Electrophotographic image forming apparatus that selects a screen from a plurality of screens based on distance between toner adhesion or non-adhesion regions
498559080Image forming apparatus and computer readable medium for image forming
508537424On-the-fly halftone image generation
518462390Image processing method and apparatus
528451493Processor, method and program for processing data using a mask pattern with print permission parts arranged at a distance of corresponding integral multiple areas
538355189Reducing the visibility of color changes caused by color plane registration variations in halftone color printing

2012

548339674Halftone independent correction of spatial non-uniformities
558253974Image forming apparatus, image processing apparatus, and control method therefor
568237984Processor, method, and program for processing data using a mask pattern with print permission parts arranged at a distance of corresponding integral multiple areas
578184340Method for color rendering using scanned halftone classification
588179570Generating image embedded with UV fluorescent watermark by combining binary images generated using different halftone strategies
598169665Tone dependent green-noise error diffusion method and printing device thereof

2011

608072648Halftone independent correction of spatial non-uniformities
618068257Color printing reducing artifacts and banding by rendering black dots, replacing dots with process black, and adding non-black dots for different subsets of black dots
628064100Watermark encoding and detection using narrow band illumination
638064098Device optimizing boundary value table for halftoning reference to correct gradation characteristic based on condition of liquid ejecting head
648059311Font and line art rendering for multi-bit output devices
658040561Method and system for predicting print colors
668031363Methods and apparatus for dynamically soft proofing halftone images
677969617Multilevel screening mapping tone values to control signal values for greater color or shade fidelity and reduced print aberrations
687965418Image processing apparatus and image processing method
697948652Processor, method, and program for processing data using a mask pattern to print dots in each area in a non-periodic arrangement by using an integral multiple of the areas
707924461Printing method based on remaining color toner or ink information
717903291UV encryption via intelligent halftoning
727889390System and method for the generation of correlation-based digital watermarks using uniform-rosette color halftoning
737880929Image data conversion into substitute ink quantities to differentiate an area in a first image where a second image is embedded

2010

747859723Image processing to perform error diffusion with dots formed based color component values and their sum relative to a threshold
757859715Printing control device, printing control method, and medium recording printing control program
767813006Enhancement of glossmark images at low and high densities with selective application of clear toner
777701612Image processing method, program and apparatus having plural halftoning methods including error diffusion using a larger number of bits
787684085Methods and apparatus for reconstructing digitized images
797684081Color image processing apparatus and program to speed up multi-valued conversion processing using dither matrixes and counters
807672018Image generation such that halftone colors are expressed with dither patterns selected based on densities of gross areas of dots
817672015Printing method and system for converting color tones to lighter and darker values for printing with light and dark inks

2009

827639391Image forming apparatus and method thereof
837630098Dynamic adjustment of raster image processing performance based on colors seen within several runs
847623270Method of processing a digital image by means of ordered dithering technique description
857623263Settings for monotone printing and color printing
867580153Printed visible fonts with attendant background
877548346Image processing apparatus and method for performing error diffusion based on density values of different color components
887542169Halftone image processing using a dither matrix with a consecutive order and shifted from an adjoining block in a main scan direction
897483169Image processing device, image processing method, image creating device, computer software and record medium

2008

907466465Load allocation when executing image processing using parallel processing
917460285Load allocation when executing image processing using parallel processing
927359088Methods and systems for estimating single or multi-color toner coverage on a printer page
937352493Enhancement of glossmark images at low and high densities
947352489Color error diffusion method for multi-level output device
957342684Image processing method and apparatus
967330193Low noise dithering and color palette designs
977327503Image correction method in inkjet recording apparatus
987327491Image processing apparatus, image processing method, computer program and computer-readable storage medium
997324241Variable data differential gloss images
1007324118Super imposed image display color selection system and method
1017321447System and method for processing a multi-colour image
1027315398Multi-level error diffusion with color image data

2007

1037304771Apparatus for printing an image
1047301676Printing method and apparatus, and binary-form dither matrix pattern
1057271936Method for printing an image
1067253925System and method for performing halftone processing of color and monochrome data
1077230740Substantial preclusion of output of pixels for other color components upon output of pixel for image pixel color component
1087224487Ink reduction error diffusion
1097221479Method for avoiding multiple color moires in color halftoning
1107177048N-channel screening tool
1117173733Method for modeling color halftones
1127167278Image processing apparatus, image processing method, program for implementing the method
1137164499Block quantization method for color halftoning

2006

1147148995Printing adjustment system and method
1157130081Image processing method, image processing apparatus and recording medium
1167130079Selective screening method
1177116447Halftone dot-growth technique using a dot edge-detection scheme
1187102791Mask producing method, image outputting device and computer readable recording medium
1197099046Image processing apparatus and image processing method
1207099043Halftone screening method and storage medium
1217092128Application of glossmarks for graphics enhancement
1227043089Overflow error diffusion
1237034962Image processing apparatus
1247006254Method and system for data hiding and authentication via halftoning and coordinate projection
1256995868Halftoning algorithm adapted to prevent unaesthetic output
1266986560Pagewidth inkjet printer having buffered printing control
1276985256Halftoning using dot and line screens to avoid two and three color moire

2005

1286956670Method, system, program, and data structures for halftoning with line screens having different lines per inch (LPI)
1296947173Inkdrop printer with multi-segment printhead
1306937756Image processing method and apparatus
1316930810Correction table forming method and image forming apparatus
1326924819Image processor
1336920243Color smooth error diffusion
1346919969Method and apparatus for processing
1356916078Inkjet proofing with matched color and screen resolution
1366894810Color conversion method using look up tables for compact printer system
1376871928Selective enhancement of black
1386870645Plane dependent matrix based halftoning
1396870644Tone dependent plane dependent error diffusion halftoning
1406867884Halftone dot placement for multi-color images
1416864996Image processor and image processing method, and printer system equipped with image processor
1426862112System and method for color dither matrix creation using human-vision-system gray matrix with multi-cell replacement
1436862111Method and apparatus for quantizing a color image through a single dither matrix
1446856424Closed loop ceps-press control systems
1456856419Database functions in a closed loop ceps-press systems
1466851794Reduction of dependence of color appearance on light source
1476851783Replacement halftoning
1486844941Color halftoning using a single successive-filling halftone screen
1496842268Printing of digital color images with locally adjusted half-toning
1506837570Print device and print processing method

2004

1516834935Method for ink jet printing a digital image on a textile, the system and apparatus for practicing the method, and products produced by the system and apparatus using the method
1526834934Method for ink jet printing a digital image on a paper, the system and apparatus for practicing the method, and products produced by the system and apparatus using the method
1536829063Method for designing sets of color matrices that tile together
1546813044Narrow band, anisotropic stochastic halftone patterns and methods of creating and using the same
1556813043Image processing device, image forming device incorporating the same, and storage medium for storing program used thereby
1566801337Tone dependent variable halftoning with adjustable algorithm selection
1576801336System and method for producing halftoned color separations for an output imaging device
1586798539Method for moire-free color halftoning using non-orthogonal cluster screens
1596796651Ink cartridge for an inkjet printer
1606793309Fault tolerant superpixel constructions
1616791718Halftone printing with dither matrices generated by using cluster filters
1626791715Color electrophotographic apparatus and method of processing an image produced thereby
1636786565Inkjet proofing with matched color and screen resolution
1646778298Image forming apparatus
1656775029Method for efficient calibration of printing devices
1666760127Multi-level semi-vector error diffusion
1676741735Method and apparatus for compensating for dot gain in stochastic printing
1686738162Digital printer for avoiding moire patterns by using a dithering mask and angular rotation between print head and print medium to simulate analog printer halftoning of color images
1696736485Method for ink jet printing a digital image on a textile, the system and apparatus for practicing the method, and products produced by the system and apparatus using the method
1706724501Apparatus and method for dither matrix design for color halftoning using dispersed dot clusters
1716721063Image rendering system and method using sum and difference error diffusion with arbitrary and redundant colors
1726714320Image processor and color image processor
1736698859Image data processing method for ink jet printer
1746697169Enhanced error diffusion using a correlated chromatic noise pattern
1756695434Image processing apparatus, image printing apparatus, and control method of the apparatuses

2003

1766671401Removing color moire patterns from digital images having known chromaticities
1776671071Threshold bias circuits for enhanced color error diffusion
1786661533Tone dependent variable halftoning with adjustable algorithm selection
1796655784Printing system, print controller, printing apparatus, method of controlling printing operation, method of printing, ink cartridge, ink supplier, and recording medium
1806643030Quantization method for color document reproduction in a color printing system
1816641241Method of generating halftone threshold data
1826637861Reduction of dependence of color appearance on light source
1836637851Color halftoning for printing with multiple inks
1846635914Microelectronic programmable device and methods of forming and programming the same
1856628425Method for application of colors and tonalities to various surfaces
1866628296Method and a device for processing digitized image
1876614943Method of image binary coding and image binary coding apparatus
1886606168Narrow band, anisotropic stochastic halftone patterns and methods of creating and using the same
1896603573Constrained digital halftoning
1906600573Fast green/magenta dithering of color images
1916592212Printing system, print controller, printing apparatus, method of controlling printing operation, method of printing, ink cartridge, ink supplier, and recording medium
1926588879Method for ink jet printing a digital image on a textile, the system and apparatus for practicing the method, and products produced by the system and apparatus using the method
1936588336Method and system for producing screen data using a separate rip for each color
1946580434Halftoning without a full range of equally-spaced colors
1956545773Compensation for print-direction induced hue shift using depletion
1966545772Apparatus and techniques for computerized printing
1976543870Image processing apparatus and printing apparatus
1986540328Printing apparatus and printing method
1996535635Error clipping for vector error diffusion
2006522425Method of predicting and processing image fine structures
2016509979Printing method using inter-pixel blending on an absorbent substrate
2026507666Method and apparatus for compensating for dot gain in stochastic printing

2002

2036501567Method and system for designing spatially-partitioned and correlated stochastic screens for color halftoning
2046501564Tone dependent plane dependent error diffusion halftoning
2056483606Error diffusion on moderate numbers of output colors
2066474766System and method for color dither matrix creation using human-vision-system gray matrix with cluster radii
2076464334Method for improving the quality of printing processes involving black pixel depletion
2086459817Image-processing method and apparatus generating pseudo-tone patterns with improved regularity
2096454392Adaptive depletion masks for improving print quality
2106445466System and method for level based image reproduction
2116437879Interpolation of greyscale levels
2126435657Method for multicolorant printing of digital images using reduced colorant amounts
2136435654Color calibration for digital halftoning
2146426802Complementary halftone screens for highlight printing
2156407825Colorant reduction method for digital images
2166406117Image recording method
2176404914Image processing method and apparatus
2186404510Image printing method
2196404508Gradation reproduction
2206394612Image process apparatus and image process method
2216373594Color printer halftoning method and apparatus
2226356363Method for halftoning using interlocked threshold arrays or interlocked dot profiles
2236346993Tone-variation-resistant phase-shiftable halftone screen system and method of using
2246344899Ink jet recording apparatus
2256343851K replacement for color digital image printing
2266338538Printing system and method of recording images

2001

2276330075Image processing method and apparatus
2286320676Method of predicting and processing image fine structures
2296312102Color ink jet recording method and apparatus using black ink and color-mixed black ink
2306307645Halftoning for hi-fi color inks
2316304333Apparatus and method of performing dithering in a simplex in color space
2326285462Intelligent GCR/UCR process to reduce multiple colorant moire in color printing
2336271937Color correction of dot linearities in multiple print engine system
2346268931Density separation for multi-density printing
2356260948Reducing granularity in highlights and yellow fields by plane-dependent tables, in device-state error diffusion
2366252678Image formation method
2376249354Image processing apparatus and method
2386236465Gradation reproduction
2396226103Method of producing spot colors appearance with process color printing
2406219155Color correction of contone images in a multiple print engine system
2416208431Method of eliminating artifacts in display devices
2426185014Multi-color image forming method and apparatus
2436178008Constructing device-state tables for inkjet printing
2446172767Multi-color image forming apparatus and multi-color image forming method
2456169608Method of converting continuous tone color image into pseudo-halftone binary color image

2000

2466166828Clearing ink jet nozzles during printing
2476161919Ink coverage reduction method for printers capable of printing multiple drop sizes
2486157462Method and apparatus for error diffusion and undercolor removal/grey component replacement of digital color images
2496134023Image forming apparatus which outputs a color image by separating color image information into at least two color components
2506133927Image forming apparatus
2516121997Image forming apparatus for having an arbitrary number of screen lines and screen angles by controlling pixel dot recording timing
2526113210Method and apparatus for ink-jet recording with inks having different densities
2536109720Method and apparatus for ink-jet recording with inks having different densities
2546106100Recording apparatus and method for forming plural dots in a pixel
2556104502Method and apparatus for generating halftone dots for color printing
2566099105Printing system and method for recording images using multivaluing techniques
2576091849Method for halftoning a multi-channel digital color image
2586089691Printing system and method of recording images
2596084604Color ink jet recording method and apparatus using black ink and color-mixed black ink
2606081653Color imaging
2616081344Device state error diffusion technique for halftoning
2626081340Image processing method to reduce marking material coverage with non-linear specifications
2636072592Method and apparatus for preparing color screens in a halftone image
2646072591Sum and difference error diffusion
2656062137Application of spectral modeling theory in device-independent color space halftoning
2666057933Table based fast error diffusion halftoning technique
2676057932Data conversion method with total ink amount limiting function
2686031974Image processing apparatus and method, and method of manufacturing ink-jet recorded article
2696031627Printing system and image recording method
2706031626Color stochastic screening with optimal color dot placement
2716028617Method of recording an image
2726025586Image processing device, image recording apparatus, and image reading device and image forming apparatus
2736020978Method and apparatus for color halftoning using interlocked threshold arrays
2746014233Error diffusion for color images with semi-vector quantization
2756011907Method of and system for promoting predetermined patterns at a desirable orientation in an output image

1999

2766005596Method for recording color image, apparatus for recording color image, and method for controlling recording of color image
2776002804Tone dependent variable halftoning with adjustable algorithm selection
2785995669Image processing method and apparatus
2795991438Color halftone error-diffusion with local brightness variation reduction
2805982992Error diffusion in color printing where an intra-gamut colorant is available
2815975671Method and apparatus for printing an image on a device having multiple dot densities and multiple dot areas
2825973803Combined color halftoning
2835971523Liquid ink printer having multiple processors for fast color imaging
2845966507Image resolution enhancement technology (IRET) for dual dye-load inkjet printer
2855963714Multicolor and mixed-mode halftoning
2865956468Document segmentation system
2875953988Screen printing process using rotated screens
2885949965Correlating cyan and magenta planes for error diffusion halftoning
2895946454Image enhancement during half-toning using low-pass and high-pass filtering
2905946450Printer pixel size and toner/ink consumption reduction system
2915940541Digital halftoning of a continuous tone image using error diffusion
2925930010Method and apparatus for color halftoning using different halftoning techniques for halftoning different dot planes
2935923774Matrix-based gray component replacement for color halftoning
2945923349Density-based print masking for photographic-quality ink-jet printing
2955912683Method of printing with an ink jet printer using an enhanced horizontal resolution
2965899604Extending the dynamic range of single-bit, electrographic printers through multi-pass printing
2975883725Image recording device for recording multicolor images by setting a ratio and magnification of dots
2985883632Coordinating color produced by two devices--using a hue-controlled machine color space, or surface scaling
2995875288Apparatus and techniques for computerized printing
3005872896Continuous-tone ink reduction
3015867632System and method for providing glossy compression and contone/bitonal image conversion
3025867607Digital halftoning apparatus and method
3035859928Jitter-form background control for minimizing spurious gray cast in scanned images
3045855433Method of color halftoning using space filling curves

1998

3055854882Halftone correction systems
3065848224Optimally pipelined error diffusion architecture for converting scanned image into four-color printed image
3075841458Halftoning method for multi-color laser printer
3085838885Salt-and-pepper-noise reduction
3095838462Hybrid imaging system
3105832185Alteration of dither matrix size for full color dithering
3115828815High quality multilevel halftoning for color images with reduced memory requirements
3125828463Printing plate for a halftone image having toner dependent rosette structures BV phase modulation
3135825377Method and apparatus for ink-jet recording with inks having different densities
3145823576Copy-resistant document
3155822451Method for halftoning a multi-channel digital color image
3165815286Method and apparatus for producing halftone image with threshold matrix
3175812744Joint design of dither matrices for a set of colorants
3185808755Toner dependent rosette structures in multi-layer screening by phase modulation
3195805734Hybrid imaging system
3205799136On-line ink-duty reduction
3215796929Banding and ink-bleeding reduction in cluster dither by screen displacement
3225786900Image recording device for recording multicolor images with dot pitch pattern randomly arranged only in the sub-scanning direction
3235784496Error sum method and apparatus for intercolor separation control in a printing system
3245784065Image processing apparatus for color-compensating according to color reproduction properties of an image apparatus
3255778091Method and apparatus for generating halftone images with adjusted screen angles
3265768411Dispersed-dot dither with improved light-color smoothness
3275767886Ink amount indicative signal correcting apparatus for reducing dispersion degree of overlapping of color inks for each pixel in a color image printer system
3285764862Near white color correction
3295760920System and method for generating calibrated dither matrices
3305748785Inter-separation color image processing using error diffusion
3315748328Color image processing apparatus which forms dot images at varying positions on a scanning line
3325740334Quantization method for color document reproduction in a color printing system
3335740279Cluster dot halftoning system
3345739917Error-diffusion-type half-toning employing adaptive thresholding for enhanced smoothness
3355734410Thermal transfer recording apparatus and method for regularly assigning blank dots
3365732151Computerized memory mapping method for transforming color data
3375721578Methods of gradation control and picture quality improvement in a thermal printer which adapts a staggered printing system
3385717448Ink jet printing apparatus and ink jet printing method
3395715073Processing by separate stages monochrome digital images to provide halftone color images
3405712929Image processing apparatus
3415710827Halftone dither cell with integrated preferred color matching
3425708728Color image processing device with error-diffusion binarization function

1997

3435699167Image forming apparatus which outputs a color image by separating color image information into at least two color components
3445696611Color picture processing apparatus for reproducing a color picture having a smoothly changed gradation
3455680222Method and apparatus for preparing color screens in a halftone image
3465675716Method and apparatus for vivid color correction in binary printing devices
3475657137Color digital halftoning using black and secondary color replacement
3485654808Screening method for a rendering device having restricted density resolution
3495646671Thermal transfer recording apparatus and method for regularly assigning blank dots
3505640254Method for applying FM screening to a digital image
3515636331Patterned intensities printer
3525633990Method of non-overlapping color printing
3535633662Ink limiting in ink jet printing systems
3545631748Color images having multiple separations with minimally overlapping halftone dots and reduced interpixel contrast
3555627652Multibit RAM for parallel lookup of high resolution halftone screens
3565621546Method and apparatus for vector error diffusion with output color control
3575621545Image production using color error diffusion
3585619230System and method for real-time image display palette mapping
3595615282Apparatus and techniques for processing of data such as color images
3605611022Color imaging
3615602943Digital halftoning space filling curves
3625600764Image processing apparatus for color-compensating according to color reproduction properties of an image output apparatus
3635594839Apparatus and method for improving black and color separation in halftoned images by printing black dots in a different screen phase

1996

3645572600Color image processing apparatus capable of suppressing moire
3655565994Multiple separation error diffusion, with cross separation correlation control for color images
3665561455Color image forming apparatus
3675548407Process for electronic processing of multi-colored continuous-tone images
3685546197Method and apparatus for generating halftone images with adjusted screen angles
3695541736Color image forming system which conducts charging exposure and development with respect to a photosensitive medium at a plurality of times
3705537228Apparatus for forming color images, using a hue-plus-gray color model
3715535672Laser plate making method and press plate made thereby
3725530555Method and apparatus for recording halftone dot image with different repeating units
3735510910Printing with full printer color gamut, through use of gamut superposition in a common perceptual space
3745509085Image processor and printing apparatus which perform binary coding of color components
3755500661Ink jet recording method
3765497180Image recording apparatus for representing a halftone by use of a plurality of recorded dots
3775494361Color image recording method
3785493411Image forming apparatus that modulates image density data
3795493323Color images having multiple separations with minimally overlapping halftone dots
3805488398Ink jet recording apparatus capable of emphasizing the density of black
3815485558Method and system for displaying color on a computer output device using dithering techniques
3825485180Inking for color-inkjet printers, using non-integral drop averages, media varying inking, or more than two drops per pixel

1995

3835475800Color separation in color graphics printing with limited memory
3845475509Method and apparatus for setting image processing conditions
3855473446Color digital halftoning using black and secondary color replacement and color vector dithering
3865473440Color image forming apparatus with density control
3875473439Model-based halftoning of color images
3885469276Method and apparatus for reducing artifacts in halftone images using gray balance correction
3895469267Halftone correction system
3905469266Color image processing apparatus which uses different screen angles for different color components
3915463471Method and system of color halftone reproduction
3925455682Method of and apparatus for recording halftone images
3935455600Method and apparatus for mapping colors in an image through dithering and diffusion
3945438437Image forming apparatus with exposure, size, and position correction for pixels
3955432611Image forming apparatus with sub-pixel position control
3965430557Image processing unit
3975426519Method and apparatus for implementing accurate angle screens
3985422742Method and apparatus for generating halftone images by discrete one-to-one dither tile rotation
3995416612Apparatus and method for producing color half-tone images
4005406392Image recording apparatus using multiple recording of the same image information to obtain high resolution and tonality
4015404156Method and apparatus for forming a full-color image
4025402245Bi-level digital color printer system exhibiting improved undercolor removal and error diffusion procedures
4035394252Hybrid quantization method for color document reproduction
4045381247Method for reducing 2-color moire in 4-color printing
4055381221Dot image forming apparatus having controlled dot adhesion
4065379118Methods and apparatus for eliminating Moire interference using quasiperiodic patterns

1994

4075377024Apparatus for forming color images using a hue-plus-gray color model
4085375002Color error diffusion
4095374957Decompression method and apparatus for split level image buffer
4105374950Image forming apparatus to provide multicolor images
4115371612Method of and apparatus for forming halftone images
4125339176Apparatus and method for color calibration
4135333243Method for forming color images, using a hue-plus-gray color model and error diffusion
4145333038Image forming apparatus for controlling a size or a color tone of a toner image
4155309246Technique for generating additional colors in a halftone color image through use of overlaid primary colored halftone dots of varying size
4165305122Image reading and processing apparatus suitable for use as a color hand-held scanner
4175299034Image processing apparatus and image processing method for reproducing a color image from color signals having different phases
4185297878Method of thermal wax transfer printing
4195296935Method and apparatus for calibrating a pipelined color processing device
4205293539Method and apparatus for calibrating tone reproduction in a proofing system
4215291296Specific set of rotated screens for digital halftoning
4225287209Image forming device for enhancing tone reproduction by changing dot size
4235287195Image display apparatus and method using halftone super cells
4245283658Image forming apparatus with TTL to ECL conversion between reading and printing circuits

1993

4255270835Method for forming halftone screen and apparatus therefor
4265270808Color image processing with adjustment of computed recording color to match original color
4275255085Adaptive technique for providing accurate tone reproduction control in an imaging system
4285253082Image forming apparatus
4295249042Electronic color screening system using color-dependent trigonometric functions
4305210602Coupled-color error diffusion
4315202772Color halftone screen utilizing preselected halftone dots placed at preselected distance and screen angles from center halftone dots
4325184213Binarizing method for color image using modified error diffusion method
4335179448Methods and apparatus for eliminating Moire' interference using quasiperiodic patterns

1992

4345175804System and method for color image reproduction from color separations prepared from random fixed size dot placement
4355173950Color image transferring method and apparatus
4365172248Method for forming halftone screen and apparatus therefor
4375169827Color separation plate manufacturing method
4385168552Color separation in ink jet color graphics printing
4395166809Apparatus and methods for digital halftoning
4405155599Screening system and method for color reproduction in offset printing
4415130808Image forming apparatus with dot concentration
4425111302Method and system for enhancing the quality of both color and black and white images produced by ink jet and electrophotographic printers
4435107331Method and apparatus for producing half-tone separations at the same screen angle

1991

4445077605Color image reading apparatus having shading correction for plural color component signals
4455070413Color digital halftoning with vector error diffusion
4465067025Method of recording halftone dot image
4475055923Method of and apparatus for recording halftone images and halftone images produced thereby
4485045931Method of and apparatus for recording halftone images and halftone images produced thereby
4495040128Image processing apparatus
4505032853Method of and apparatus for forming a multi-color image
4515032851Method of printing printed matters
4525031050Method and system for reproducing monochromatic and color images using ordered dither and error diffusion
4535019896Method for forming halftone data
4545014124Digital image processing apparatus
4555012257Ink jet color graphics printing
4565010398Method for colour correction by dry dot etching using photographically produced mask
4574987484Halftone image signal processing apparatus in which pixels of a dither threshold pattern are each divided into an operator-selected number of micropixels

1990

4584980757Image processing apparatus for gradation processing of an image signal to output a pulse width modulated signal
4594974067Multi-step-digital color image reproducing method and apparatus
4604967283Multicolor sublimation type thermal recording method including color and gradation correction and device therefor
4614959659Color picture forming apparatus and method
4624958218Image processing method and apparatus with dot-processing
4634953015Method for printing a color image which includes black ink
4644930018Method and system for enhancing the quality of both color and black and white images produced by ink jet printers
4654930007Digital color image processing method and apparatus for discriminating high resolution areas of a color image signal and controlling image processing in accordance with the discrimination
4664926248Scanning recording type printing method and apparatus for increasing image quality by controlling tone dot locations within image pixels
4674924301Apparatus and methods for digital halftoning
4684903123Image processing apparatus using inclined line screens to reduce Moire
4694903048Simulated color imaging using only two different colorants/toners
4704897736Color image processing apparatus using a deformed dot matrix
4714894726Methods and apparatus for eliminating Moire interference using quasiperiodic patterns
4724894665Method of generating an expanded color set of a low resolution color printer
4734893177Apparatus and a method for generating manuscripts to reproduce a color print

1989

4744884080Color image printing apparatus
4754855753Method of ink jet recording and ink jet recording apparatus
4764837613Method of color selection for display and printing
4774823189Method and apparatus for creating a dither pattern
4784821115Color hard copy apparatus having simplified analog-to-digital conversion with adjustable threshold levels
4794819193Gradation processing method for color images
4804814891Multicolor sublimation type thermal recording method including color and gradation correction and device therefor
4814814797Apparatus and method for controlling color dot size in multicolor image
4824809063Multicolor printing method using rectangular dither matrices of different size, shape, and arrangement of threshold values to minimize overlap of differently colored inks at lower gradations
4834803496Method for recording a color image

1988

4844783837Image processing apparatus
4854758886Optimal color half-tone patterns for raster-scan images
4864752822Color halftone image processing apparatus producing various screen angles and having an adaptive color image data conversion look-up table and a small-capacity masking memory
4874727430Halftone image recording method and apparatus therefor

1987

4884707706Thermal color recording apparatus
4894690541Color electrophotographic copying process
4904680626Color image processing system for converting analog video-to-digital data
4914680625Method and apparatus for multicolor image forming
4924680596Method and apparatus for controlling ink-jet color printing heads
4934672450Composite video synchronization pulse separator for color image processor
4944672432Method for recording a color image using dots of colorants of different densities
4954668978Thermal transfer color image forming apparatus with image color and image color density control functions
4964663662Picture signal processing system featuring simple or dithering binarization processing selected in response to local variations in picture density
4974660098Apparatus for producing copies of a video image utilizing line pattern rotation
4984647962Method and apparatus for generating a half-tone image representation with individual groups of one or more scanning beams controlled in response to half-tone dot information and either low-or high-resolution image data
4994642681Color image processing apparatus for generating color output signals and a black output signal in a mutually exclusive manner
5004635131Method of and apparatus for producing halftone dot film of gradated density distribution

1986

5014631740Time base generator for color image processor
5024595948Multicolor ink jet recording apparatus having means for preventing blurring of ink
5034590514Color image processing apparatus

1985

5044558356Color printer
5054533941Method and apparatus for half-tone reproduction of a varying tone original image
5064507685Image recording device

1984

5074486788Method for producing a halftone plate for use in a picture reproducing machine
5084456924Screened image reproduction

1983

5094412225Method for color representation using colored ink dots
5104367482Method and apparatus for representing polychromatic half-tone images

1982

5114350996Screened image reproduction

1981

5124308553Method and apparatus for making monochrome facsimiles of color images on color displays
5134293873Method and a device for producing separation images having the effect of being orthogonally screened

1980

5144206475Apparatus and a method for obtaining digital data for rasters having a plurality of color components
5154196451Electronic halftone generator
5164189752Electronic screening with galvanometer recorders

1979

5174149183Electronic halftone generator

1978

5184127870Method and apparatus for changing the picture point resolution of continuous tone pictures during transition from reproduction to recording
5194115816Electronic screening

1977

5204040094Electronic screening

1976

5213983319Electronic screening for image reproduction
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017