Patent application number | Description | Published |
20080266593 | Image document creation - Embodiments for creating image documents are disclosed. | 10-30-2008 |
20090128869 | SMOOTHED ENTRIES IN A COLOR TRANSFORMATION LOOK-UP TABLE - A color transformation table is constructed in an imaging device. Unsmoothed entries are placed in a table. The unsmoothed entries are replaced by smoothed entries. The smoothed entries are indexed by a color dimensional value for each color dimension in a first color space. Each smoothed entry is a color dimensional value for a color dimension within a second color space. A first unsmoothed entry is replaced with a first smoothed entry, so that the first smoothed entry is a weighted mean of a subset of unsmoothed entries. The subset of unsmoothed entries includes the first unsmoothed entry and other unsmoothed entries that are indexed by the same color dimensional values as the first unsmoothed entry for all but a first color dimension in the first color space. | 05-21-2009 |
20110096344 | Printing System - Method of computing a convex hull in a predetermined color space, comprising determining a print attribute value range pertaining to a reference print attribute value, selecting base NP (Neugebauer Primary) area coverages, comprising area coverages of single NPs and combined NPs, having print attribute values in the print attribute value range, printing and measuring patches corresponding to the base NP area coverages, computing linear combinations of the base NP area coverages, and assigning one of the base NP area coverage or the linear combination of base NP area coverages to the corresponding color, depending on which is closest to the reference print attribute value. | 04-28-2011 |
20110096364 | Color Separation Table - Method of setting up a color separation table for a specific print system, comprising finding first NP (Neugebauer Primary) area coverages of a specific print system that correspond to color values, adding second NP area coverages by converting halftone data from at least one pre-determined pair of halftone data and corresponding color value to NP area coverages, and generating a color separation table arranged as input for a halftone process that comprises color values linked to the corresponding first and second NP area coverages. | 04-28-2011 |
20120086721 | DISPLAY-COLOR FUNCTION IMAGE CONVERSION - A display system includes a display-color function image generator and a DCF image converter. The DCF image generator generates a DCF image from a source image. In the DCF image, each pixel is associated with a respective DCF configured to convert an input value to a display color value. The DCF image generator inputs values to respective DCFs to convert the DCF image to a displayable image having pixels associated with respective display colors. | 04-12-2012 |
20130286426 | PRINTER MANAGEMENT - A request for printing or print-management is received at a centralized location. Access rights related to the request are determined. A printer associated with the access rights is displayed. Printing on or print-management for the printer is permitted according to the access rights. | 10-31-2013 |
Patent application number | Description | Published |
20080247000 | Kueppers' state error diffusion - A method is provided of reproducing continuous tone pixel colors of a color image having many pixels based on Kueppers' device states, wherein the Kueppers' device states of a printing device are the printed pixel colors that are allowed based on Kueppers' color separation and halftoning. The method includes selecting a Kueppers' device state in the proximity of a continuous tone pixel color to be reproduced from the printing device's set of Kueppers' device states, and printing the Kueppers' device state. An error is diffused between the continuous pixel color and the selected Kueppers' device state to one or more pixels in the neighborhood. | 10-09-2008 |
20100214576 | Color Separation into Neugebauer Primary Area Coverage Vectors - The disclosure describes methods for color printing, performing a color separation process and performing a halftoning process. Furthermore, the disclosure describes the color separation process determining one or more Neugebauer Primaries, tessellating the Neugebauer Primaries, and generating one or more Neugebauer Primary area coverage vectors, whose area coverages are linear with respect to a device-independent color space. The disclosure further describes that the color separation process communicates with the halftoning process using one or more Neugebauer Primary area coverage vectors. | 08-26-2010 |
20110096345 | Print System - Method of determining a color gamut of a predetermined print system, comprising determining ink restrictions of the print system, generating all NP states of the print system, generating a convex hull of area coverages of NPs that do not exceed said ink restrictions, determining which NP states are outside of the convex hull, mapping NP states that are outside of the convex hull onto the convex hull, re-expressing the mapped NP states as area coverages of NPs, and sampling the convex hull in a colorimetrically predetermined way. | 04-28-2011 |
20110096365 | Print Interface - Method of generating a CIElab to Neugebauer Primary area coverages interface for a print system, comprising selecting area coverages of Neugebauer Primaries and printing corresponding patches, measuring the CIE XYZ coordinates of the patches, converting the CIE XYZ coordinates to corresponding CIE Lab coordinates, and relating the CIE Lab coordinates to the NPacs. | 04-28-2011 |
20110292433 | PRINT WORKFLOW MANAGEMENT - A method for managing print workflow performed by a physical computing system includes, with an add-on application executed by the physical computing system, interfacing with a printing-capable application executed by the physical computing system; with the add-on application, interfacing with hardware components of a printing device; and with the add-on application, providing additional printing related functionality to the printing-capable application. | 12-01-2011 |
20120057781 | METHOD AND SYSTEM TO DETERMINE WHETHER AN IMAGE INCLUDES SPATIAL ADJUSTMENTS - The present disclosure provides a computer-implemented method of identifying spatial image modifications. The method includes receiving a original image and a adjusted image. The method also includes identifying a first subset of pixels comprising pixels in the original image that have a same first color value. The method also includes determining whether a second subset of pixels in the adjusted image all have a same second color value, wherein the second subset of pixels spatially correspond with the first subset of pixels. A spatial adjustment is identified if the second subset of pixels do not all have the same second color value. | 03-08-2012 |
20120057785 | METHOD AND SYSTEM TO MODIFY A COLOR LOOKUP TABLE - The present disclosure provides a computer-implemented method of generating a modified color lookup table (CLUT) based on an original image, a profile connection space (PCS) image, and an adjusted image. The method includes, for each PCS pixel of the PCS image, identifying a subset of CLUT nodes corresponding to the PCS pixel. The method also includes identifying a color shift between an original pixel of the original image and an adjusted pixel of the adjusted image, wherein the original pixel and the adjusted pixel are co-located with the PCS pixel. The identified the color shift is associated with each one of the subset of CLUT nodes. For each CLUT node, a combined color shift is determined based on the color shifts associated with the CLUT node. A modified CLUT can be generated based on the combined color shifts computed for each of the CLUT nodes. | 03-08-2012 |
20130003089 | COLOR PROFILE ADJUSTMENT - One example relates to a print system for adjusting a color profile. The print system can comprise a system comprising a memory for storing computer executable instructions and a processing unit for accessing the memory and executing the computer executable instructions. The computer executable instructions can comprise a profile transformer to receive a color sample comprising a color measurement of a proper subset of a gamut of colors printable with ink deposited at a printer. The profile transformer can also provide an adjusted color profile for the printer based on (i) an original color profile associated with a substrate for the printer and (ii) the color sample. | 01-03-2013 |
20130076778 | COLOR LOOKUP TABLE SMOOTHING EMPLOYING NODE ADJUSTMENT PROPAGATION - Color lookup table smoothing employs propagation of a portion of an adjustment of a modified node to an unmodified node of a color lookup table (CLUT). | 03-28-2013 |
20130100157 | METHOD AND SYSTEM TO MODIFY A COLOR LOOKUP TABLE - Modifying a color lookup table includes receiving a first image, a first color lookup table (CLUT) indexed in a first image color space, and a second CLUT indexed in a colorimetric space. Tracer pixels from the second CLUT are generated and retained, each tracer pixel including color coordinates of a corresponding unique node in the first CLUT. Tracer pixels are inserted into the first image, and tracer pixels are tracked. Color adjustments are made using image editing software to generate an adjusted combined image having adjusted tracer pixels. The adjusted tracer pixels are extracted. The second CLUT is converted to a third CLUT having a size N | 04-25-2013 |
20130101328 | SYSTEM AND METHOD FOR PRE-PRINT INK USE ESTIMATION - An image representation of an image and printing specifications describing how the image is to be printed may be accepted at a device. A predicted ink drop count may be calculated by a processor in the device using the image representation and a printer imaging step, the printer imaging step to convert image data into printer data. A predicted ink use value may be calculated by processor based on the predicted ink drop count, predicted ink drop weights, the image representation (e.g., a histogram) and the printing specifications. Actual ink use during a printing operation may be measured. | 04-25-2013 |
20130201244 | COLOR ANALYSIS - Techniques related to color analysis are disclosed herein. In an example, substrate locations on a printed pattern are selected based on a set of measurements related to substrate-height. Further, color of the printed pattern is determined at the selected locations. | 08-08-2013 |
20130314740 | PRINTER - A printer is provided comprising a storage section arranged to store medium profile information; and a communication section arranged to obtain the medium profile information via a network, wherein the communication section is further arranged to communicate the medium profile information to an image processing section. | 11-28-2013 |
20140016143 | COLOR SEPARATION AND PRINTING - The present disclosure relates to a computer implemented method for color separation for a printer, systems, and methods for printing using a printer. In some examples, the method for color separation for a printer comprises
| 01-16-2014 |
20150062148 | ASSIGNING DISPLAY COLORS TO ACHIEVE APPARENT DESIRED COLORS - A system in accordance with an example is to assign a display color to a pixel to be displayed, to achieve an apparent desired color at a local neighborhood node of pixels having an apparent color bit depth greater than an addressable color palette for the display color that the pixel is capable of producing. The display color is assigned to the pixel based on a convex combination of colors of the local neighborhood node of pixels, to provide the desired color for the node based on local optical averaging. | 03-05-2015 |