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7382486 |
Printing system
Provided is a printing system capable of printing, when one or more pages are replaced after raster image processing (RIP), by performing RIP of only the page(s) to be replaced. A job ticket is...
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7382493 |
Image processing for optimal color density decomposition based on calculated graininess and equiluminance contours
Graininess and calorimetric values of color patches formed by an image generating system using dark and light colored recording agents are input to calculate equiluminance contours. Color density...
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7382491 |
Scanner relay apparatus and image reading controlling method
A scan ID, which is operation identification information having been used for selection of an image reading condition or the like, is used for selection of a communication destination from among a...
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7382490 |
4-dimensional gray neutrality calibration
A method of applying a gray neutrality calibration to a color signal, said method comprising: representing said color signal as a position in a multi dimensional color space, in which each said...
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7379210 |
Image processing apparatus, image forming apparatus, and image processing method
It is intended to provide an image processing apparatus capable of precisely discriminating a halftone dot region and a figure such as a character arranged on the halftone dot region and applying...
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7379196 |
Printing system, printing apparatus, print data transmitting device, and program
In a printing system, before transmitting print data to a printer, a personal computer transmits a virtual printing start command to the printer. When the data received by the printer is a virtual...
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7379201 |
Image processing apparatus and image processing method
An image processing system includes a plurality of image processing sections for performing predetermined image processing on input image data and for outputting the processed image data. A header...
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7379208 |
Hybrid gamut mapping
In converting a color in a source gamut to a color in a destination gamut, selection of a conversion technique is determined for the source color based on the hue aspect of the source color, a...
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7379205 |
System and method for embedding and extracting key information
In accordance with an embodiment of the invention, a method for embedding key information into a printed document is disclosed. The method comprises creating a first section comprising a first ink...
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7379209 |
Color separation of pattern color spaces and form XObjects
Systems and computer program products for performing color separation operations. In one aspect, a system creates a high-level representation of a graphical container as a separated element the...
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7379207 |
Method and system for device-independent color gamut mapping
System and method for device-independent color gamut mapping is disclosed. The system recognizes that a finite set of color gamut mapping intents form the basis for performing color gamut mappings...
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7379204 |
Image processing apparatus and method, and image processing system
If only a specific color and its nearby colors of image data are adjusted, density discontinuation occurs in the image as a whole. If masking is performed to avoid this problem, the adjustment...
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7379206 |
Methods and systems for determining resource capabilities for a lean production environment
A plurality of printing jobs associated with a printing environment can be initially evaluated. Such a printing environment can be implemented as a print shop or another lean document production...
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7375852 |
System and method for supporting a variety of color spaces in a computer operating system
An application program may support multiple color spaces, such as Cyan Magenta Yellow blacK (CMYK) and Red Green Blue (RGB). Many computer operating systems have graphics drawing engines that only...
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7375848 |
Output image adjustment method, apparatus and computer program product for graphics files
When a memory card MC is inserted into slot, a control circuit of a color printer acquires and analyzes graphics processing control information GC from the memory card MC. A CPU corrects standard...
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7375850 |
Image output apparatus, method of controlling the image output apparatus, and image output system
Using a drawing engine, a printer subjects image data to color matching processing into its own device color space. If the image data is a geometric object having a change in color, a gradation...
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7375854 |
Method for color correction
A method for color correction is provided. In this method, a plurality of groups of gray levels and luminance of light source of display device are respectively selected by color measurement...
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7375836 |
Copier with job sharing and forwarding capability
A copy machine is configured to determine a set of one or more resources that are both external to the copy machine and available to process one or more portions of a copy job initiated at the copy...
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7375856 |
Halftone screen frequency and magnitude estimation for digital descreening of documents
An efficient method and system for eliminating halftone screens from scanned documents while preserving the quality and sharpness of text and line-art is disclosed. The method and system utilizes...
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7375851 |
State-space based modeling of pixel elements of a dynamically varying color marking device
The color management system comprises a state-space based model for a pixel element in a dynamically varying color marking device. A sensor measures the color of the printed output for construction...
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7375849 |
Balancing grays on color printers
A gray balancing technique wherein gray balancing curves are determined by interpolating the primary color data values of color samples to determine discrete combinations of primary colors that...
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7375853 |
Image processing apparatus and method
A separating unit determines, for an image data, whether there exists black data, and generates density data from the black data when the black data exists, and generates color data from data other...
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7376270 |
Detecting human faces and detecting red eyes
The present invention provides a method and apparatus for detecting a red eye in an image. The method comprises steps of: calculating a skin color reference vector for said image; identifying a...
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7372596 |
Color conversion definition creating method, color conversion definition creating apparatus, and color conversion definition creating program storage medium
A combined profile is created through a first step of deriving a coordinate component of a black on a color space for CMYK dot % for a printer associated with a predetermined representative...
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7372597 |
Tonescales for geographically localized digital rendition of people
In a method and system for processing a photographic image having lightness values, L*, representing one of the colorimetric values of an original scene, the photographic image is transformed. The...
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7372598 |
Pagewidth inkjet printer with foldable input tray for interface protection
An inkjet printer includes a body defining a print media path along which print media can pass. A printhead assembly is arranged within the body and includes a printhead which is configured to...
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7370929 |
Printer, dither matrix generation method, and recording medium
A printer has a head where outlets are arranged in a width direction perpendicular to a predetermined scan direction, and a printing paper moves under the head in the scan direction. In a basic...
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7372594 |
Image processing apparatus and method, and storage medium
A pattern which does not appear at a flat portion in normal binarization processing is set as a code pattern, and a code formed from this pattern is attached. At this time, code attachment with...
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7372586 |
Method, software product, and computer to generate and interpret an IPDS data stream
In a method for generating an IPDS data stream, different levels are defined with level numbers, whereby in each level a group of print data is combined on which the same operation is implemented....
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7372595 |
Flexible image rendering system utilizing intermediate device-independent unrendered image data
A flexible, user-friendly computer-implemented image processing system is provided. The system includes a process to receive an image rendering request. The image rendering request includes an...
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7369267 |
High resolution printing method
A method for performing drop placement by an imaging apparatus includes the steps of defining a matrix that identifies all possible drop locations at an output resolution; defining primary drop...
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7369273 |
Grayscale mistracking correction for color-positive transparency film elements
In a color image transformation method and system, a photographic color-positive transparency media bearing a captured image is transmission scanned to provide a scanned image. The scanned image...
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7369285 |
Method of processing image
An attentional portion to be corrected in gradation of an image is specified, and a gradation corrective function with respect to a density of the specified attentional portion is generated. Preset...
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7369270 |
Print engine/controller and printhead interface chip incorporating the engine/controller
A print engine/controller suited to use with a drop on demand print head. The print engine/controller works with compressed page data having both JPEG contone image layers and a bi-level image...
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7369277 |
Image processing apparatus, drawing processing method, and computer program
A drawing instruction processor refers to a bit map line table that shows whether the bit arrays in the row unit are the same in the order of concentrations. The drawing instruction processor...
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7369274 |
Color error diffusion method
A color error diffusion method effective between a color image input device operating in one color space and a color image output device operating in another color space. The method includes the...
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7369269 |
Print toner density mode/print media default link
A method for automatically selecting a print job parameter including the steps of ascertaining a first print job parameter and automatically selecting a second print job parameter based upon the...
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7369704 |
Image processing apparatus, image processing system, and image processing method
In a circumstance where an image processing apparatus is connected to and capable of communicating with a plurality of processing servers each performing a specific data processing service, what...
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7365879 |
Determining sets of n-dimensional colorant control signals
A method for determining a set of n-dimensional colorant control signals that map to a point P in an m-dimensional color space where n>m, including determining a forward device model that maps...
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7365878 |
Color adjustment apparatus, print control apparatus, color adjustment method, and color adjustment program product
Conventional technology does not permit adequate color adjustment easily for various kinds of images. This invention eliminates this disadvantage by outputting a preview image of the input image...
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7365883 |
Dither matrix design using sub-pixel addressability
A method of generating a dither matrix for an output device having sub-pixel addressability that permits the attenuation of tone for less than whole pixels. An original representative pixel grid is...
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7365876 |
Method for generating a color match between a target object and a source object
In a method for generating a color match between a target object having a plurality of different target color values and a source object, a target color space with target color locations to be...
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7365889 |
System and method for transparency optimization
One embodiment pertains to analyzing a document that is to be printed on a transparency, determining whether the document formatting is optimized for transparency printing, and alerting a user if...
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7365865 |
Printing apparatus and control method therefor
In a printing apparatus having full-color and monochrome print processes and a method therefor, whether a page to be printed is color or monochrome is checked. The presence of an immediately...
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7365755 |
Black enhancement in perceptual gamut mapping
The present invention provides for gamut mapping between a source device and a destination device, the destination device having a destination device black point with a hue, and the source device...
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7365877 |
Optimization of image data by color management
Process for the processing of image data which represent the color values of an image, to achieve optimal color reproduction of the image by an image reproduction system, especially by a...
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7365881 |
Halftone dot-growth technique based on morphological filtering
A method for converting an original halftone bitmap image to a color converted halftone bitmap image. A set of asymmetrical morphological filters is provided. The original halftone bitmap image is...
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7365875 |
Image processing apparatus, image processing method, program, and recording medium
It enables a user to confirm an already designated area without changing layers. Image data of plural layers is generated on a same image, and an image area being a target of editing is designated...
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7362472 |
Color error diffusion
A method for multi-toning an input digital image having input pixels with two or more color channels to form an output digital image having modified output levels. The method includes producing an...
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7362481 |
Method for reducing image artificiality by adjusting dot position for overlapped dots in a printer
An adjusting dot position method for overlapped dots in a printer is disclosed. The pixels of an image are first input. Then, it determines whether the pixel is an overlapped dot or not. If yes and...
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