229318 ⎘
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof; Colour picture communication systems Circuits or arrangements for halftone screening
Color separation into Neugebauer primary area coverage vectors
#302Color 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
#303Error diffusion halftoning method for dark ink and light ink channels, based on a measure of solvent quantity that should be ejected for each pixel, and apparatus that performs the halftoning method
#304Image processing device and method for creating binary image data using a single set of dither matrices
#305Image processing method for converting non-linear RGB image data to L*a*b* image data
#306IMAGE DATA CLUSTERING AND COLOR CONVERSION
#307Image forming apparatus and control method thereof
#308Microelectronic programmable device and methods of forming and programming the same
#309Image processing apparatus, image processing method, and program
#310Color error diffusion with error signal offset
#311Printing apparatus and printing method
#312Color pixel error diffusion in a CMYK input color space
#313Image processing apparatus for performing AM screen processing and FM screen processing, image processing method, computer-readable medium
#314Content-aware uniform rosette color halftone image resizing using iterative determination of energy metrics
#315Content-aware resizing of uniform rosette color halftone images
#316Image forming apparatus that emphasizes a boundary between two objects using a halftoning process
#317Image processing apparatus and method
#318Method and apparatus for printing that considers an undesirable optical density printing range
#319Camera module outputting images in device independent color space
#320Image processing apparatus and method therefor
#321Method of operating camera timing module
#322Printer module logically and physically connectable to further modules
#3234+ color management using a virtual CMYK color paradigm
#324Pitch based high quantization halftone dot linearization for rendering high quality color images
#325Multilevel clustered dot screening method with improved detail and reduced image noise
#326Printer Module With Capping Mechanism
#327METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE
#328Camera module with device independent data transfer
#329Hypochromatic imaging
#330Image processing apparatus and image processing method
#331Image processing apparatus and image processing method
#332Reduction of dependence of color appearance on light source
#333Threshold matrix generation method, halftone image generation method, and halftone image generating apparatus
#334Screen generating apparatus, screen generating method, and image processing apparatus
#335System and method for the generation of correlation-based digital watermarks using uniform-rosette color halftoning
#336Image processing to perform error diffusion with dots formed based color component values and their sum relative to a threshold
#337Hierarchical color error diffusion in a CMYKRGB domain
#338Vector half-toning with minimum luminance variation dot formation
#339Font and line art rendering for multi-bit output devices
#340Interconnected camera module and printer module
#341Modular printer system and print media dispenser
#342UV encryption via intelligent halftoning
#343Generating and merging two halftoned images
#344METHOD AND APPARATUS FOR MULTI-COLOR PRINTING USING HYBRID DOT-LINE HALFTONE COMPOSITE SCREENS
#345Image processing apparatus and method controlling the amount of transparent ink for recording
#346Image forming apparatus capable of suppressing color variation due to misregistration of colors, image forming method, and computer-readable medium
#347Moiré-free color halftone configuration
#348Pen-shaped modular camera assembly having an effects module
#349Printer having driven printhead sealing arrangement
#350Modular pen-like device having camera, effects and printer modules
#351Image processing method in a camera module for converting non-linear RGB image data to L*a*b* image data
#352Hand-held modular system with printer and internal replaceable ink cartridge
#353THRESHOLD MATRIX, A METHOD OF GENERATING THE SAME, AND A METHOD OF ASSIGNING THE SAME
#354Multilevel screening mapping tone values to control signal values for greater color or shade fidelity and reduced print aberrations
#355Apparatus and method to revise halftoned image and image forming apparatus using the same
#356Halftone independent correction of spatial non-uniformities
#357Pen-shaped modular camera assembly having a serial bus interface
#358PRINTMODE ARCHITECTURE
#359Image processing apparatus, image forming apparatus, and control method thereof, which form an image by applying N-ary processing
#360Modular digital camera
#361Pen-shaped modular camera assembly
#362Microelectric programmable device and methods of forming and programming the same
#363Mobile telephone with an internal inkjet printhead arrangement and an optical sensing arrangement
#364Kueppers' state error diffusion
#365Modular pen-shaped imaging and printing assembly having a timer module
#366Ink-jet recording apparatus
#367Printing control apparatus and printing apparatus
#368Multimedia pen with image processing module to convert captured images for printing by a printer module
#369METHOD OF AND APPARATUS FOR GENERATING PROOF IMAGE
#370METHOD OF AND APPARATUS FOR GENERATING PROOF IMAGE
#371Generation of dither matrix
#372METHOD AND APPARATUS FOR PROVIDING A COLOR-BALANCED MULTIPLE PRINT ENGINE
#373Image data generating apparatus and image data generating method for generating image data when an image is printed in a divided manner
#374Image processing apparatus, image processing method multicolor image forming apparatus, computer-readable medium, and computer data signal
#375Rosette printing with up to five colors
#376Moire-free color halftone configuration employing common frequency vectors
#377-color printing with hexagonal rosettes
#378Printing method and apparatus
#379Estimating color of colorants mixed on a substrate
#380HALFTONE DOT CONVERSION APPARATUS, HALFTONE DOT CONVERSION PROGRAM STORAGE MEDIUM, AND DOT MATRIX
#381HALFTONE DOT CONVERSION APPARATUS, HALFTONE DOT CONVERSION PROGRAM STORAGE MEDIUM, AND DOT MATRIX
#382Image recording method and image recording apparatus
#383Image processing module for a pen-shaped printer
#384Cartridge with ink level monitoring for a pen-like modular printing device
#385Dynamic adjustment of raster image processing performance based on colors seen within several runs
#386Modular, multimedia pen having a camera module and a printer module
#387Modular printer effects module with a triplet of actuators
#388Gradation Representing Method And Gradation Printer Matter
#389Modular printer system with logically and physically interconnected modules
#390Modular Printer With Opposing Print Media Entry And Exit Slots
#391Simultaneous Individual and Coupled Error Diffusion
#392Tetrastitch Screening Process for Cmyk Printing
#393Modular Printer With Readily Interchangeable Modules
#394Modular printer system with pen-shaped structure
#395Image processing system and method for halftoning tuning
#396Printing method and system for converting color tones to lighter and darker values for printing with light and dark inks
#397Image forming apparatus
#398Image processing apparatus and method
#399Image processing apparatus, image processing method and image forming apparatus
#400Method for colorizing a digital halftone
#401Ejection control of quality-enhancing ink
#402Halftone dot conversion apparatus, Halftone dot conversion program storage medium, and image forming apparatus
#403Printer module incorporating a quartet of co-operating rollers
#404Apparatus for and method of forming multicolor halftone images
#405Scan-to-print color rendering
#406Noise reduction for primary tones for image replication systems
#407Method of reproducing color image
#408Hand held modular camera assembly with a print sheet dispenser module
#409Hand held camera assembly with an effects module
#410Countdown stamp error diffusion
#411Printing system and printing method
#412Image forming method and image forming apparatus
#413IMAGE PROCESSING APPARATUS AND METHOD THEREOF
#414IMAGE PROCESSING APPARATUS AND METHOD THEREFOR
#415Hand-held modular system with printer and memory modules
#416Modular printer system with memory and printer modules
#417Image processing apparatus and method therefor
#418Modular camera assembly with a compact printer
#419Color calibration method and structure for vector error diffusion
#420Inkjet recording apparatus and inkjet recording method
#421Hybrid halftoning
#422Methods for setting frequency rate and angle difference between screens where moire pattern is not generated
#423Image forming apparatus and method which multicolor prints using an electrophotographic process
#424Image processing apparatus and image forming apparatus
#425Image processing device, image processing method, image creating device, computer software and record medium
#426Hand-held printer assembly with detachable media feed mechanism
#427Method and system for inter-channel clock frequency selection with periodic halftoning
#428Method and apparatus for processing halftone in printer employing tri-level development
#429Color printing
#430Printhead capping mechanism including blotting assembly
#431Sequential color error diffusion with forward and backward exchange of information between color planes
#432Modular camera assembly with releasable modular components
#433Image multitoning apparatus to minimize dot overlap and method thereof
#434Angle avoidance for color halftone screens
#435Parallel architecture for vector color error diffusion
#436Image processing device and image processing method
#437Color error diffusion
#438Modular elongate image processing device
#439Dot pattern forming apparatus and set of FM screen threshold matrices
#440Modular image processing device
#441Color printing
#442Color printing
#443Method and apparatus for compensating for DOT gain in stochastic printing
#444Creation of lookup table for printing with contrasting density ink
#445Stochastic screens for rendering devices with high-addressability
#446Halftoning with color error diffusion of one separation based on color error diffusion of a previous separation
#447Method and apparatus for providing a color-balanced multiple print engine
#448Moiré-free color halftone configuration
#449Image processing apparatus and method for performing error diffusion based on density values of different color components
#450System and method for characterizing a printing device
#451Image forming apparatus and its control method
#452Microelectronic programmable device and methods of forming and programming the same
#453Effects module for a camera and printer assembly
#454Printer controller, image forming apparatus, image forming program
#455Image forming apparatus, image forming method, and recording medium
#456Patterning and dot gain improvement for vector error diffusion
#457Printer module with a pen-like configuration
#458Controller for a modular printer and image capture arrangement
#459Modular printing device with peripheral connectors
#460System and method for reproducing colors on a printing device
#461Full control multilevel error diffusion
#462Method of generating threshold matrix for creating halftone dot image and method and apparatus for creating halftone dot image and recording medium
#463Image processing apparatus and image processing method
#464Stackable printer system
#465Image processing that can use both process and spot color plates
#466Method and apparatus for multi-color printing using hybrid dot-line halftone composite screens
#467Method and apparatus for multi-color printing using a rosette or diamond halftone screen for one or more of the colors
#468Synchronization of printing and print media in a printer module
#469Image processing method, apparatus, and program with selective error diffusion among a pluraity of pixel groups withing a digital image
#470Apparatus and method for halftoning color image by quantizing tone level of subject pixel based on tone levels of neighboring pixels
#471Method of color conversion for use in a compact printer system
#472Replacement halftoning
#473Image forming apparatus and storage medium
#474Color error diffusion method for multi-level output device
#475Color error diffusion with color bleed control
#476Moire reduction apparatus, method, and computer product
#477Load assignment in image processing by parallel processing
#478System and method for characterizing a printing device
#479Method for setting boundary value, image signal processing method and apparatus, and printing apparatus
#480Mobile device including a force transfer mechanism
#481Threshold matrix, a method of generating the same, and a method of assigning the same
#482Color error diffusion
#483Modular camera and printer system
#484Vector error diffusion
#485Elongate compact printer module
#486Compact printer with capping mechanism
#487Method for multi-color, clustered, dot-off-dot halftoning
#488Method of operating a camera timing module
#489Compact printer with card dispenser
#490Printing method using color space conversion
#491Color printing
#492Media cartridge having body which receives printer
#493Image processing method for generating multi-level data
#494Method for processing color image data employing a stamp field
#495Multi-level error diffusion with color image data
#496Method for error diffusion employing a stamp field
#497Color error diffusion method and apparatus therefor
#498Error diffusion method and apparatus using area ratio in CMYKRGBW cube
#499Ejection control of quality-enhancing ink
#500Modular elongate printer
#501Modular image capture and printing system
#502Reduction of dependence of color appearance on light source
#503Compact camera module and printer system
#504Data coding method and device, and data coding program
#505High performance coprocessor for color error diffusion halftoning
#506Modular electronic device
#507Total ink control method for color rendering in printing system
#508Cylindrical camera module with pivot assembly
#509Image conversion apparatus and image conversion program storage medium
#510Gender changer module with a data and power bus
#511Method and apparatus for compensating for dot gain in stochastic printing
#512Printhead blotting assembly
#513Multi-level error diffusion apparatus and method of using same
#514Ink cartridge with motive means
#515Colour conversion method
#516Printing assembly for an inkjet printer
#517Selective screening method
#518Inkjet proofing with matched color and screen resolution
#519Macro-pixel image rendering apparatus and associated methods
#520Method and apparatus for forming color image
#521Custom halftone for limited edition prints
#522Edge enhancement with compensation mechanism
#523Edge enhancement with compensation mechanism
#524Juxtaposed clustered dispersed dot halftoning
#525Encoding plural colorant vectors in a Neugebauer Primary area coverage vector
#526Memory control method, memory control apparatus, and image forming method that uses memory control method
#527Assigning halftone screens to clustered image portions based on color and content
#528AM Screening
#529System and method for halftoning in a print system
#530Saving marking material using threshold arrays and toner reduction mask
#531System and method for stochastic vector halftoning of contone data in a printer having variable printing parameters
#532Multi-ink vector halftoning using multi-bit vector halftoning methods
#533Color changing effects with cross-halftone prints on metal
#534Systems and methods for selectively screening image data
#535Color reproduction, pattern hiding and image alternations with halftone prints on metal
#536System and method for halftone printing in a three-dimensional object printer
#537Digital image attribute plane compression
#538Color conversion method and color conversion system