Abstract: An image processing apparatus is provided. The image processing apparatus includes: an acquiring unit that acquires original image data and a first color conversion profile associated with the original image data; an editing unit that edits the original image data by using the first color conversion profile to generate edited image data; a preparing unit that prepares a second color conversion profile different from the first color conversion profile in a first case where the editing unit generates the edited image data having a data size smaller than that of the original image data, wherein a data size of the second color conversion profile is smaller than that of the first color conversion profile; and a storage control unit that, in the first case, stores the edited image data and the second color conversion profile in a memory while being associated with each other.

Abstract: A color compensation apparatus, a color compensation method, an image forming apparatus, and a computer readable recording medium are provided. The color compensation apparatus includes a color scheme analyzing unit to classify an input image into one or more objects and to compute average color values for each of the classified one or more objects, a storage unit to store a color table proposed for color compensation, and a color compensating unit to compensate the average color values computed for each of the classified one or more objects using colors of the stored color table which match the computed average color values.

Abstract: Processing is optimized in advance during interpretation of PDL data, so as to accelerating rendering processing during processing associated with image formation. To this end, it is determined whether or not the addition of intermediate data based on PDL data during interpretation to that which is already generated during the processing associated with image formation considerably reduces a speed of the rendering processing.

Abstract: A technique to compress multidimensional color look-up tables by computing an inexpensive fit to the contents of the tables is provided. At each node of the table, the difference between the result of evaluating the fit and the original value at that node are completed. In one form, the parameters of the fit and the differences are stored and compressed, possibly losslessly.

Abstract: An image storage system includes a plurality of image processing apparatuses that execute image processing on image data in collaboration with one another; a storage unit that stores information on the image data; a transmitting unit provided in at least one of the plurality of image processing apparatuses and transmitting the information on the image data to the storage unit; an information acquisition unit that acquires apparatus information on the plurality of image processing apparatuses; and a determination unit that determines, from the plurality of image processing apparatuses, an image processing apparatus that transmits the information on the image data, which is processed by the plurality of image processing apparatuses in collaboration with one another, to the storage unit based on the acquired apparatus information.

Abstract: Disclosed is a recording medium recording a program for a computer to perform the following functions of: creating first corresponding information to show color value corresponding to a combination of values of black and three basic colors when a plurality of color patches are each output; creating second corresponding information to correspond the combination of values of black and three basic colors to a virtual basic color axis coordinate; creating third corresponding information to show color value corresponding to the virtual basic color axis coordinate; and obtaining virtual basic color axis coordinate corresponding to the color value, obtaining a combination of values of black and three basic colors corresponding to the obtained virtual basic color axis coordinate, and storing the obtained combination of values of black and three basic colors as a combination of values of black and three basic colors corresponding to the color value.

Abstract: According to this invention, a printing control program which is recorded on a computer-readable recording medium and generates default print setting information when a computer prints includes a code for a management table creation step of creating a setting management table in which at least one threshold is set for a restricted item in a print process and the setting value of at least one item belonging to the print setting information is related to the range of the value of the restricted item defined by the threshold, a code for a read step of acquiring the current value of the restricted item, and reading, from the management table, the setting value of at least one item that belongs to the print setting information and is related to the range of the value to which the value belongs, and a code for a creation step of creating and saving print setting information containing the setting value read in the read step as the setting of the item.

Abstract: To overcome the conventional drawbacks, the present invention comprises the an information processing apparatus which is connected to a printing apparatus that holds unique information functions as message saving means for saving message information in association with each language selectable as a language for use, component ID information saving means for saving component ID information in association with each value of unique information held by the printing apparatus, language selection means for selecting a language for use, acquisition means for acquiring unique information held by the printing apparatus from the printing apparatus, and message creation means for creating a message to be output on the basis of message information associated with a language selected by the language selection means and component ID information associated with a value of the unique information acquired by the acquisition means.

Abstract: An apparatus includes a plurality of light-emitting sources configured to irradiate a photosensitive member in a sub scanning direction with a plurality of light beams scanned in a main scanning direction of the photosensitive member via an optical system, a conversion unit configured to convert image data into pixel data constituting a pattern that expresses a density with a plurality of pixels, and a drive unit configured to cause the plurality of light-emitting sources to emit light based on the converted pixel data, wherein, where a number of light-emitting sources is B and a number of pixels of the pattern in the sub scanning direction is M, the number B and the number M have a relationship such that the number M is not divisible by the number B or the number B is not divisible by the number N.

Abstract: An apparatus, method and medium outputting a wide gamut space image in which one or more parameters that are needed to convert an existing color space into a wide gamut space are experimentally determined and then are applied to an image. The apparatus includes a feature extraction module to extract one or more feature differences between a standard gamut and a wide gamut of an image, a color range setting module to set a hue range according to the extracted feature differences and one or more experimentally determined parameters, and a conversion module to convert the image according to the extracted feature differences, the experimentally determined parameters, and the hue range.

Abstract: A mechanism for integrating print quality enhancement (PQE) and multi-bit halftone data is disclosed. A system of embodiments of the invention includes a print control unit communicably coupled to a printer, the print control unit operable to process received multi-bit input print data for printing by the printer. The system further comprises a PQE card communicably coupled with the printer, the PQE card configured to separate multi-bit text and line art input data from multi-bit halftone image input data in the multi-bit input print data, ignore any of the identified multi-bit halftone image input data for purposes of applying PQE technology to the identified multi-bit halftone image input data, and apply the PQE technology to the identified multi-bit text and line art input data. Lastly, the system includes a print head communicably coupled to the printer, the print head operable to print multi-bit output created by the PQE card.

Abstract: A system enables a rendering intent to be specified for an object in a page description language that does not support the specifying of rendering intents. Such a system includes a user interface for receiving a rendering intent and an identification of an object associated with the received rendering intent, a page description language (PDL) file generator for generating a tag to associate the identified object with a PDL output parameter, and an encoder for encoding the received rendering intent in the PDL output parameter associated with the identified object. Such a system may be used, for example, with a PostScript or a PDF print job file.

Abstract: According to the present invention, even if the coloring material use amount is limited but ambiguities remain and an accurate coloring material use limit is not known, then a virtual coloring material use limit is set artificially, the color measurement values of virtual patches in a region that exceeds the coloring material use limit are inferred by extrapolation and the color measurement values in the region exceeding the coloring material use limit are predicted by interpolation using the inferred color measurement values. Therefore, it is possible to predict colors in relation to any input exceeding the coloring material use limit.

Abstract: A color selecting method, an image processing method, an image processing apparatus, and a recording medium are provided. Color comparing conditions for a color chart are designated, and image data are generated to print first, second and third color charts in which color patches having colors corresponding respectively to different variables of the designated color comparing conditions are disposed adjacent to each other.

Abstract: A system for performing a print job request includes a processor, a printing device, and a computer-readable storage medium in communication with the processor. The computer-readable storage medium includes one or more programming instructions for receiving a print job request having a first set of one or more printing parameters, identifying a final page of the print job request, determining a measurement for the final page through the processor, determining a threshold measurement through the processor based on a second set of one or more printing parameters, determining through the processor whether to remove the final page from the print job request based on the measurement and the threshold measurement, removing the final page from the print job request in response, and performing the print job request through the printing device to yield a printed document. The print job request pertains to information displayed on a web site.

Abstract: To generate a color separation table for an image forming apparatus which has relatively dark/light color materials with high/low relative densities, a gamut boundary for limiting the use of the relatively dark color material is set. One of relatively dark color materials is selected, and at least a grid point which satisfies a condition that the color material value of the selected relatively dark color material is nonzero and a color value to be reproduced based on color material values set to the grid point exists in a region brighter than the gamut boundary is determined. The color material value of the selected relatively dark color material set to the grid point which satisfies the condition is replaced by the color material value of the relatively light color material.

Abstract: Using a first lookup table used to convert color data on a device-independent color space into color data on a device-dependent color space, and a second lookup table used to convert the color data on the device-dependent color space into color material data corresponding to a plurality of color print materials, the image processing apparatus acquires output values using the first lookup table in accordance with input values the number of which is larger than the number of grid points of the first lookup table, acquires output values using the second lookup table, as input values, the output values acquired, and generates a third lookup table corresponding to the predetermined number of input values which is larger than the number of grid points of the first lookup table in accordance with the output values acquired.

Abstract: An image processing apparatus reads out job ticket data indicating first conditions used for executing a job and a permission to change each of the first conditions and lack thereof. The image processing apparatus, then, reads out a functional conditions table indicating a first group made by grouping second conditions having a common concept and a second group made by grouping the first group having a common concept. Then, the image processing apparatus presents, as options for changing a first condition to which applying a change is prohibited, second conditions included in a first group to which a second condition that is the same as the first condition belongs. The image processing apparatus presents, as options for changing a first condition to which applying a change is allowed, second conditions included in a second group to which a second condition that is the same as the first condition belongs.

Abstract: Methods and structures for processing JDF elements for a printing system by translating JDF elements into corresponding command language strings for output to a printer. The command language strings are associated with a priority value. The generated command language strings are output in an order based on the associated priority values so that the intended semantic and scope of the JDF elements may be maintained in the generated command language strings. The translation may use one or more translation tables to match a JDF element path name for a received JDF element with one or more entries in one or more translation tables. The matching table entries may specify a corresponding command language string and a priority value to be output to a printer. The generated command language strings and associated priority values may be stored in a memory structure to permit output in the desired order.

Abstract: A method for controlling a tone reproduction curve of an image printing system includes generating an actual printed image tone reproduction curve using printed image data from a printed image sensor; determining a set of adjusted contone values by comparing the actual printed image tone reproduction curve with a target printed image tone reproduction curve, where the adjusted contone values being representative of the print contone values at which target color density data of the printed image is achieved in the image printing system; and determining adjusted image transfer surface reflectance data to update a target image transfer surface tone reproduction curve, where the adjusted image transfer surface reflectance data being obtained by interpolating the target image transfer surface tone reproduction curve at the adjusted contone values; and controlling subsequent toner image data to achieve the updated target image transfer surface tone reproduction curve.

Abstract: An image processing device, an image processing method, and a program enable easily acquiring for each profile information related to the amount of ink that is required to record image data after the image data is converted using a particular profile. A host computer 1 transforms reference image data 27 based on an ICC profile 23 for transforming image data to image data in a different color space, and outputs transformed reference image data 28. Based on a lookup table 25 for transforming the coordinate values of a color space to ink volume information in an ink color space rendered by plural different types of ink, the transformed reference image data 28 is converted to ink volume information, and based on this ink volume information and the reference image data 27 before the transformation, ink information correlating the ink volume information to the colors contained in the reference image data 27 before transformation is produced.

Abstract: Provided is a serial printer including: a reading unit configured to read a raster image from a manuscript medium; an analysis unit configured to derive a horizontal distribution of pixels darker than a background color of the manuscript medium in each band including a predetermined number of lines with respect to the raster image; a threshold derivation unit configured to derive a fixed threshold according to a length L of a section in which a cumulative frequency of the horizontal distribution of an edge of the band does not exceed a predetermined temporary threshold; and a movement distance control unit configured to reduce the movement distance of a printing head according to a section in which the cumulative frequency of the horizontal distribution from the edge of the band exceeds the fixed threshold.

Abstract: Embodiments of the present invention provide techniques and configurations for error diffusion halftoning of an image including receiving a signal that indicates selection of a first implementation or a second implementation of determining a threshold perturbation value for error diffusion halftoning of an image, and determining the threshold perturbation value using a table of programmable values according to the selected one of the first implementation or the second implementation, wherein the second implementation provides fewer threshold perturbation values for a larger region of the image than the first implementation. Other embodiments may be described and/or claimed.

Abstract: An image forming apparatus includes a user interface, and an image forming unit to perform an image forming job in a new image mode by combining two or more image modes when the two or more image modes are selected through the user interface. The image forming unit may include a controller to combine color lookup tables of the two or more selected image modes and to create a new color lookup table, and an engine unit to perform the image forming job in an image mode corresponding to the new color lookup table. Therefore, it is possible for the image forming apparatus to support various image modes.

Abstract: A color look-up table includes a plurality of images recorded on a film. Each of the images being recorded on a separate picture of the film and containing at least a first level and a second level. The first and second levels having different pixel color values and are arranged to form a detectable geometric pattern on each of the pictures. The first field and a second field having detectable boundaries assigned to characterize distortions on the film.

Abstract: A color look-up table includes a plurality of images recorded on a film. Each of the images being recorded on a separate picture of the film and containing at least a first level and a second level. The first and second levels having different pixel color values and are arranged to form a detectable geometric pattern on each of the pictures.

Abstract: The image forming apparatus includes: an area tone setting device which sets an arbitrary tone correction table for each of image forming areas obtained by dividing a recording medium into a plurality of areas; a tone correction table storage device which stores tone correction tables set respectively for the image forming areas by the area tone setting device; an area judgment device which judges the image forming areas on which respective pixels constituting input image data are to be printed; a tone correction table selection device which selects from the tone correction table storage device one of the tone correction tables corresponding to the image forming area judged by the area judgment device; and a tone correction device which performs tone correction of each pixel constituting the input image data, using the tone correction table selected by the tone correction table selection device.

Abstract: The image processing apparatus includes: a color conversion unit color-converting an image signal of a first color space into that of a second color space with a color conversion characteristic defining a correspondence relationship between the image signals; an adjustment unit adjusting the image signal of the second color space with adjustment conversion factor groups that is for adjusting it in accordance with a change in the color conversion characteristic, and is set for respective types of sheets on which an image is to be printed according to the image signal of the second color space; a calculation unit calculating the adjustment conversion factor groups; a memory storing an associating factor group associating, with each other, the adjustment conversion factor groups; and an update unit updating the adjustment conversion factor groups according to the calculated adjustment conversion factor group of one sheet and the stored associating factor group.

Abstract: The present invention provides specific image adding section for adding the specific image to inputted image data includes a first counter for deciding positions of a main scanning direction and a vertical scanning direction and a second counter for specifying a form of the specific image. The second counter counts up addresses of pixels with a starting point at one corner on a matrix made up of the main scanning direction and vertical scanning direction. If the first counter counts a predetermined count value, the second counter starts. When a maximum value of the count value of the second counter is equal to or less than a count set value, an image is formed on each of the pixels. The pixel on which the image is formed is changed and the form of the specific image is also changed by changing the count set value.

Abstract: Disclosed is a system and method for gradually adjusting a look-up table (LUT) for a print engine in order to improve the regulation of color quality of printed images. The LUT is updated so that a target value for a particular color is achieved. This corrects for a measured or predicted change in a tone reproduction curve. Depending upon the severity of the required adjustment, a series of incremental adjustments rather than a single adjustment can be made to the LUT table over a period of time. Each adjustment in the series can be limited to a predetermined maximum delta so that any corrections made to the LUT following the generation and evaluation of one test image and before the generation and evaluation of the next test image for the same target color are gradually and imperceptibly implemented (i.e., unnoticeable).

Abstract: Methods and systems herein provide for color conversion. Such color conversion may be performed via a color conversion system that includes a converter operable to receive image data and convert color values of the image data to a color space for printing. The system also includes a color identification module operable to identify color regions in the image data for color component limitation and approximate color values in the color regions. The color identification module incorporates color limitations during these approximations computes numerical models based on the approximations that are used by the converter to convert the image data to the color space.

Abstract: Methods and systems herein provide for color conversion in the real domain from an input color space to an output color space using a color conversion table that includes color values defined in the output color space corresponding to color values in the input color space, a table of scaling factors, and a conversion engine operable to group the real domain image data into blocks of pixels. The conversion engine, for each block of pixels, converts a color value in the block of pixels from the input color space to the output color space according to the color conversion table, computes differences between the color value and color values of pixels in the block, scales the computed differences according to the table of scaling factors, and adds the scaled differences to the converted color values to convert the pixel color values to the output color space.

Abstract: A printing condition setting apparatus having a setting parameter data storage unit for storing a plurality of setting parameter data each including at least one setting parameter registered by the user's operation among a plurality of setting parameters specifying printing conditions; a setting parameter data reception unit for receiving the user's selection of one setting parameter data among a plurality of setting parameter data stored in said setting parameter data storage unit; and a setting parameter data call unit for calling up said one setting parameter data selected by the user to display the setting parameters included in said setting parameter data on a specific operating screen.

Abstract: An information processing device includes a plurality of modules for realizing a plurality of functions. The information processing device reproduces contents information and expects information which is to be inputted based on the functions relating to the reproduced contents information. Further, based on the expected information, the information processing device controls operations of at least some of the plurality of modules.

Abstract: Disclosed is a method of creating a color-mapping lookup table and a color-mapping method using the same. The method of creating a color-mapping lookup table includes; obtaining color-space data for respective solid colors specified as lattice points of the color-mapping lookup table, obtaining color-space data for respective achromatic colors specified as lattice points of the color-mapping lookup table, and tabulating the color-space data for the respective solid colors specified as the lattice points and the color-space for the respective achromatic colors specified as the lattice points. Therefore, the methods can create a color-mapping LUT in which significant colors such as solid colors or achromatic colors are specified as lattice points, so that significant colors are more optimally reproduced since device data for the significant colors are not calculated through interpolation.

Abstract: An image processing device includes a memory portion for storing an ejection amount conversion table showing a relationship between image data serving as reference and a fluid ejected from a fluid ejecting head for a predetermined number of pixels, and an ejection amount estimation unit which estimates an ejection amount of the fluid from input image data on the basis of the ejection amount conversion table stored in the memory portion.

Abstract: Some of the embodiments of the present disclosure provide a method comprising selecting a pixel window of image data, the pixel window including a target pixel, determining a stability of the pixel window, formulating a look up table address based at least in part on the determined stability, obtaining one or more image enhancement values from a look up table based at least in part on the formulated look up table address, and processing the target pixel based at least in part on the obtained one or more image enhancement values. Other embodiments are also described and claimed.

Abstract: Systems and methods are provided for generating at least one look-up table, wherein the look-up table holds at least one luminance value in a second color space. In some embodiments, the luminance value can be computed for distinct combinations of color component values corresponding to a plurality of color components in a first color space. The method comprises computing at least one luminance value in the second color space based on a portion of the color component value combination; deriving an address in a look-up table based on the portion of the color component combination; and storing the computed luminance value in the look-up table at the derived address.

Abstract: There is provided an image processing apparatus which can suppress degradation of an image quality in a recording material save mode processing and obtain an effect of consumption amount reduction of recording material desired by a user at low costs. A recording material consumption amount at the time of applying first color conversion processing unit is predicted corresponding to inputted image data. The setting of a second color conversion processing is changed from a prediction value and a target value of the recording material consumption amount.

Abstract: A method of embedding information in an input image, wherein the information includes a plurality of characters, includes: utilizing a processing circuit to receive the information and convert each character included in the information into a corresponding symbol according to a conversion look-up table; setting a position of the corresponding symbol of each character in a data block according to a sequence look-up table to generate the data block; and adding at least the data block to the input image.

Abstract: Methods and systems herein provide for color conversion of image data to another color space, such as that of a printer. Such color conversion includes linearly processing the color conversions when using radial basis functions for the conversions. One color conversion system herein includes a modeling module operable to generate a numerical model according to a radial basis function for converting the color values in the image data to the color space. The numerical model includes error approximations operable to form the radial basis function into a linear process. The system also includes a color converter operable to convert the color values in the image data to the color space based on the numerical model.

Abstract: A color look up table adjusting apparatus includes: a color gamut acquisition unit that determines a color gamut from an image output by an image forming apparatus, and determines, from an image output by another image forming apparatus, a position of input color values in a color space as a target point; an interpolation process unit that calculates a point corresponding to the target point within the color gamut of the image forming apparatus as an adjustment point; a color value adjustment table generating unit that generates a color value adjustment table for converting the input color values into input color values corresponding to a position of the adjustment point; and a table organization unit that converts arbitrary input color values based on the color value adjustment table, and inputs input color values obtained after the conversion as input color values based on a color look up table.

Abstract: An image forming apparatus includes a tone correction storage unit that stores a plurality of tone correction charts for correcting tone of image data; a determination unit that determines characteristics of the image data; a selection unit that selects a tone correction chart suitable for the image data from the plurality of tone correction charts stored in the tone correction storage unit; a chart print unit that prints the tone correction chart selected by the selection unit on a sheet; a receiving unit that receives an adjustment value inputted based on the tone correction chart printed by the chart print unit; a tone correction unit that corrects tone of the image data based the adjustment value; and a print unit that prints out the image data after correcting tone of the image data.

Abstract: A method for printing an image with a printing system including the steps of multitoning image data to produce a multitoned image having a multitone resolution; providing a look-up table, wherein each look-up table entry specifies a number of dots of a first size and a number of dots of a second size; using the look-up table to expand the multitoned image data from the multitone resolution to a print-ready image having a printing resolution; and printing the print-ready image using a first array of dot forming elements for forming dots of a first size and a second array of dot forming elements for forming dots having a second size that is greater than the first size.

Abstract: A printer performs calibration in which a reference primary color ink is mixed with at least one additional primary color ink to approximate a predetermined target primary color. The printer includes an acquisition section, a predicting section, an optimizing section and a printing unit. The acquisition section acquires spectral reflectances of the reference primary color ink printed on a base, the additional primary color ink printed on the base, and the base. The predicting section calculates predicted spectral reflectance of a mixture of the primary color inks by dividing a product of the spectral reflectances of the primary color inks by the spectral reflectance of the base raised to the power obtained by subtracting 1 from a total number of the inks. The optimizing section optimizes an ink-amount set of the mixture so that the predicted spectral reflectance is approximated to spectral reflectance of the target primary color.

Abstract: A method for compensating for color variations introduced by printer hardware limitations and other factors is described. First, the extent of color variation throughout a printed page is determined. Based on this determination, each page is partitioned into a plurality of image areas. A color profile is generated for each image area. The partition and the multiple color profiles are stored in the printer. In an actual printing process, the page of image to be printed is divided into a plurality of image areas based on the paper size and the stored partition, and the respective stored color profiles for the image areas are retrieved and used to process the digital image for printing.

Abstract: A disclosed information processing apparatus, which is connected to an output device, detects, from output setting information, an uninterpretable setting that is uninterpretable by the information processing apparatus, according to the output setting information used when performing output and function information relevant to a function executable by the output device; displays a page for selecting an option of an interpretable setting that is interpretable by the information processing apparatus, which interpretable setting corresponds to the detected uninterpretable setting; and makes a correction for changing the uninterpretable setting to be the interpretable setting that is interpretable by the information processing apparatus according to the option selected in the displayed page.

Abstract: An image forming apparatus includes: an image forming unit configured to form images based on image data transmitted from information processing apparatus of users including registered users and unregistered users; a setting unit configured to set permission information for each user based on a log of the image forming and limit information; a first judging unit configured to determine whether user identification information is attached to image data; a second judging unit configured to determine, based on the permission information that is set for an unregistered user, whether to permit execution of image forming of the image data, when the first judging unit determines that the user identification information is not attached to the image data.

Abstract: A color printer system includes plural data transmitting units that transmits image data of each color to an engine, and a printing control unit that controls the plural data transmitting units. The printing control unit and an image data generating apparatus are connected by a first transmission path, and the plural data transmitting units and the image data generating apparatus are connected by plural of second transmission paths allocated to each color. The image data generating apparatus includes: an image data generating unit that performs bitmap expansion on a print job for each color to generate image data; and a communication unit that sequentially allocates the image data of colors other than a color not used for the superimposed printing to the second transmission path, which is allocated to transmit the image data of the not used color, and transmits the image data in units of transmission.

Abstract: The number of color patches is reduced to attain high-precision color estimation. Hence, the colorimetric values of a plurality of color patches of at least one primary color output by an output device are input. Based on the colorimetric value of first color patches corresponding to a part of the plurality of color patches, colorimetric values corresponding to second color patches other than the first color patches of the plurality of color patches are estimated. Errors between the input colorimetric values of the second color patches and the estimated colorimetric values corresponding to the second color patches are calculated. A plurality of color patches corresponding to the output device is determined based on the calculated errors.