Patent application number | Description | Published |
20090051976 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - The present invention provides an image processing apparatus having an image readout sensor that is provided with a plurality of pixels that optically read out an image, and a driving unit that moves the image readout sensor. The driving unit moves the image readout sensor, whereby the driving unit and the image readout sensor are controlled so that each of the plurality of pixels reads out a chart with a predetermined pattern. A feature amount of the plurality of pixels is calculated from the image data that has been read out by each pixel through the control, and MTF characteristics of the plurality of pixels are analyzed from the calculated feature amount. Then, nonuniformity of MTF characteristics of the plurality of pixels is corrected according to the analysis result. | 02-26-2009 |
20090158915 | SHEET MUSIC CREATION METHOD AND IMAGE PROCESSING SYSTEM - Image data of sheet music formed from a plurality of pages is input, and the input image data is divided into bars. The complexity of performance of each divided bar is determined for each page. An easy-to-play portion is detected as a page feed position for each page in accordance with the determination result. The layout of the sheet music is changed based on the detected page feed position, and the layout-changed sheet music is output. | 06-25-2009 |
20090161138 | IMAGE READING APPARATUS, MULTIFUNCTION PRINTER APPARATUS, AND IMAGE PROCESSING METHOD - This invention is directed to a method capable of performing appropriate under color removal in image original reading. According to this method, under color removal of the original is performed as follows. A printing medium without any printed image is read by primary and complementary color readings. A brightness signal distribution is generated by converting, using a provisional table, each of image data generated by the reading methods. The lowest one of signal levels is selected from each of the distributions. In correspondence with each of the primary and complementary color readings, a conversion table is formed, which converts the image data to make a pixel value corresponding to the selected lowest one of the signal levels to a value representing white. Under color removal of the image data is performed using a corresponding conversion table in accordance with the reading method of the image original. | 06-25-2009 |
20090161139 | IMAGE READING APPARATUS, MULTIFUNCTION PRINTER APPARATUS, AND IMAGE PROCESSING METHOD - This invention is directed to provide a method capable of performing filter processing suitable for each of different image reading methods. This method includes the steps of causing a light emitting unit to sequentially irradiate an image original with light components of three primary colors and read the image original, and causing the light emitting unit to simultaneously irradiate the image original with one of three different color combinations, which includes two of the light components of three primary colors, and read the image original. The method further includes the step of processing image data obtained based on the reflected light received by the light receiving unit after changing a filter to be used for image processing depending on whether reading of the image original is primary color reading or complementary color reading. | 06-25-2009 |
20090161164 | IMAGE PROCESSING METHOD AND IMAGE PROCESSING APPARATUS - There is provided an image processing method of laying out and outputting an image of an original formed from a plurality of pages on one page, the method comprising: inputting image data of the original formed from the plurality of pages; dividing the image data input in the inputting into a plurality of blocks; discarding unnecessary information; appending necessary information to each block obtained by division in the dividing based on the predetermined rule; replacing the respective blocks obtained by division in the dividing with the block from which the unnecessary information is discarded in the discarding, and the block to which the necessary information is appended in the appending; and outputting the respective blocks which have undergone replacement in the replacing by laying out the respective blocks on one page. | 06-25-2009 |
20090161176 | SHEET MUSIC CREATION METHOD AND IMAGE PROCESSING APPARATUS - A sheet music creation method of creating sheet music whose layout is changed based on image data of sheet music input from an input device includes the steps of dividing the image data of the sheet music input from the input device into grand staffs, designating the grand staffs divided in the dividing in the order of performance, and re-editing, by a processor, image data representing the grand staffs in accordance with the order designated in the designating. | 06-25-2009 |
20090161182 | IMAGE READING APPARATUS, MULTIFUNCTION PRINTER APPARATUS, AND IMAGE PROCESSING METHOD - This invention is directed to a method capable of performing satisfactory image reading by absorbing variations in each apparatus. According to this method, in primary color reading, light emitting unit sequentially irradiates an image original with light components of three primary colors and reads the image original, and in complementary color reading, the light emitting unit simultaneously irradiates the image original with one of three different color combinations, which includes two of the light components of three primary colors, and reads the image original. Each of the primary and complementary color readings includes image processing of executing shading correction of image data based on calibration data obtained by calibrating the light emitting unit when reading the image original. | 06-25-2009 |
20090161917 | SHEET MUSIC PROCESSING METHOD AND IMAGE PROCESSING APPARATUS - A sheet music processing method of processing, by an image processing apparatus, image data of sheet music input by an input device, the method comprising setting, by a user using a designation unit of the image processing apparatus, a unit in which the image data of the sheet music is processed; dividing the image data of the sheet music into units corresponding to the unit; determining whether image data of a first one of the units is repeated in one or more others of the units; and processing the image data, when the image data of the first one of the units is determined to be repeated in the one or more others of the units, to append information using the image processing apparatus to the image data of the first one of the units and the image data of the one or more others of the units. | 06-25-2009 |
20100157395 | IMAGE READING APPARATUS, MULTIFUNCTION PRINTER APPARATUS, AND IMAGE PROCESSING METHOD - This invention is directed to an image reading apparatus. In the apparatus, reading an original by irradiating it with light of three primary colors, respectively, and by receiving the reflected light is performed as follows. More specifically, an operation mode is designated, and conditions used to perform image reading are set in accordance with the designated mode. Under the set conditions, the image reading is performed according to a method of irradiating an original sequentially with beams of the three primary colors and reading the beams reflected by the original. Alternatively, under the set conditions, image reading is performed according to a method of irradiating an original simultaneously with beams of two primary colors in each of three different combinations of the three primary colors and reading the beams reflected by the original. Instead, image reading is executed twice according to these two methods. | 06-24-2010 |
20100236381 | IMAGE PROCESSING APPARATUS, MUSICAL SCORE EDITING METHOD EXECUTED THEREON, AND STORAGE MEDIUM STORING PROGRAM - An image processing apparatus that processes image data representing a musical score inputs image data of a musical score document to the image processing apparatus, detects a blank area in the musical score based on the input image data, and generates image data in which an assistance sign has been added in the blank area in correspondence with a sign in the musical score. | 09-23-2010 |
20110032581 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING SYSTEM, AND IMAGE PROCESSING METHOD - This invention is directed to an image processing apparatus and method capable of analyzing a character image to detect a blur, and reducing the blur on a printed product. According to the method, a scanner reads an original character image, generating image data. A blur and deterioration of a character image represented by the image data are detected. Portions corresponding to the detected blur or the deterioration are removed from the image data. The image data from which the portions corresponding to the blur or the deterioration are removed is output to an image output unit. | 02-10-2011 |
20110285777 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, INKJET PRINTING APPARATUS AND DATA GENERATING APPARATUS - An image processing apparatus, an image processing method, an inkjet printing apparatus and a data generating apparatus are provided that can reduce, when a plurality of types of inks are used to print an image, the color unevenness that is caused by the variation of ejecting characteristics among a plurality of nozzles. A conversion table for correcting, based on an ejecting characteristic, a multi dimensional color printed by ejecting at least two types of inks on a common region on a printing medium is used to correct a plurality of color signals corresponding to these inks. | 11-24-2011 |
20110285778 | IMAGE PROCESSING APPARATUS, INK JET PRINTING APPARATUS, AND IMAGE PROCESSING METHOD - Printing heads of combinations of four ink colors and seven printing characteristic ranks are previously used to print an image for measurement, and table parameters corresponding to all of the combinations of nozzle ink colors and printing characteristic ranks are obtained on the basis of a measurement result of this image for measurement and stored in a memory. Then, when printing is actually performed in a printer, a primary color image for measurement is printed for each nozzle of a printing head for each of four ink colors. A printing characteristic rank for each nozzle is obtained for each of four ink colors based on a measurement result of this image for measurement, and a table parameter is selected that corresponds to the same combination as the combination of the obtained printing characteristic rank of each nozzle of four ink colors, by referring to the memory. | 11-24-2011 |
20110285779 | IMAGE PROCESSOR, PRINTING APPARATUS, AND IMAGE PROCESSING METHOD - An image processor, a printing apparatus, and an image processing method are provided that can reduce, when a plurality of types of inks are used to print an image, the color unevenness that is caused by the variation of ejecting characteristics among a pluralities of nozzles. To realize this, for a color formed by overlapping at least two colors of inks, parameters are prepared that are determined so as to reduce the color difference in the printing medium due to the variation of the ejecting characteristic among the respective pluralities of nozzles. During printing, the parameters are used to correct the first color signal owned by the individual pixels to the second color signal. | 11-24-2011 |
20110285780 | DATA PROCESSING APPARATUS AND DATA PROCESSING METHOD - The present invention reduces an uneven color of a color having two or more colors of inks, the uneven color occurring due to manufacturing variations of ink ejection nozzles and so on. Each of a plurality of correction tables that is assigned to each predetermined number of nozzles that are used for printing on a common region in the print medium, of a plurality of nozzle arrays formed on a print head, each of the nozzle arrays ejecting a plurality of inks including a first ink and a second ink whose color is different from the color of the first ink, is generated on the basis of at least an ink ejection property of nozzles ejecting the first and second inks. | 11-24-2011 |
20110286020 | IMAGE PROCESSOR AND IMAGE PROCESSING METHOD - The present invention is intended to provide an image processor that can reduce color unevenness occurring in a composite color image formed by overlapping different types of inks due to a variation in printing characteristic among a plurality of nozzles while suppressing a reduction in processing speed in generation of printing data. The image processor converts a color signal indicating the image represented by a plurality of elements to a color signal corresponding to the plurality of inks with use of a conversion table determined on the basis of ejection characteristics of nozzle groups corresponding to the plurality of inks so as to suppress color unevenness occurring in a composite color image due to a variation in ejection characteristic among the plurality of nozzles. | 11-24-2011 |
20110316920 | EJECTION CHARACTERISTICS EVALUATION APPARATUS AND EJECTION CHARACTERISTICS EVALUATION METHOD FOR INKJET PRINTING APPARATUS, AND INKJET PRINTING APPARATUS - The present invention prints a plurality of ejection characteristics detection patterns with different print duties. Each of the patterns is divided into areas with a certain number of pixels, and each area is read with a plurality of different read colors. Based on the read values by the read color for each area, evaluation values by the read color that indicates ejection variation volume that is the difference between ink ejection volume to each area and standard ink ejection volume are set. A weighted average is obtained by applying the weight determined by reading accuracy of a reading unit to evaluation values by color for each area with different print duties formed by the same nozzle. The ejection characteristics of a nozzle that prints each of the areas are evaluated using the weighted average value. | 12-29-2011 |
20120081436 | IMAGE PROCESSOR AND IMAGE PROCESSING METHOD - When printing an image using a plurality of inks, color unevenness caused by variations in ejection characteristics among nozzles is corrected at suitable timings in accordance with change in the color unevenness over time, and favorable image output without noticeably color unevenness is maintained. For this purpose, parameters are prepared, for colors formed by combinations of at least two colors of ink, the parameters being determined so as to reduce differences in coloration on a print medium caused by individual variations in the ejection characteristics of a plurality of nozzles. When printing, a first color signal included in individual pixels is corrected for a second color signal by using the parameters. Information regarding the ejection volume characteristics of a plurality of nozzles is acquired as appropriate, and by estimating changes in coloration from this information, suitable timings for overwriting such parameters are determined. | 04-05-2012 |
20120081439 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, INKJET PRINTING APPARATUS, AND INKJET PRINTING METHOD - The invention decreases the enlargement of memory and processing time for the correction of image data carried out to reduce image deterioration caused by nozzle ejection characteristic variation in an inkjet printing apparatus. Print heads are provided with pluralities of chips that have nozzle arrays formed from a plurality of nozzles. Coupled portions and non-overlap portions are formed on each chip. An image processing apparatus sets input image data, which correspond to nozzle regions that are defined in nozzle arrays along the alignment direction of the nozzles of the print head and that are composed of a plurality of nozzles, as processing blocks. The input image data is processed according to parameters defined for each of those processing blocks. The boundaries of the nozzle regions corresponding to the input image data of the processing blocks are established according to the boundaries of the overlap portions and the non-overlap portions. | 04-05-2012 |
20120081441 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND PRINTER - Provided is an image processing apparatus that can accurately and efficiently reduce color unevenness that occurs in a color image, which is formed by color mixture of a plurality of different types of inks, due to a variation in ejection characteristic among nozzles. The inks are respectively ejected from the nozzle arrays to print patches; regions where color correction for test color images should be performed are specified; a different types of color correction processing for color signals corresponding to the color correction regions are performed to print color correction patches; a color correction patch to be used is selected; on the basis of selected color correction processing, a table parameter corresponding to a nozzle is formed; when the plurality of color correction patches are formed, only correction candidate values having larger color differences than a predetermined threshold value in a uniform color space are generated for color signals. | 04-05-2012 |
20120081442 | IMAGE PROCESSING APPARATUS, PRINTING APPARATUS, AND IMAGE PROCESSING METHOD - Area information is obtained with respect to a specified color and nozzle position having color unevenness. Then, coordinate information indicating a nozzle position corresponding to the above area information is obtained in a printing head or nozzle array corresponding to an ink color relating to the specified color information. Next, the number of candidate correction values or candidate patches is obtained on the basis of nozzle coordinates obtained corresponding to the area, by referring to a table. In this table, for example, the number of candidate correction values is small at a nozzle position where an effect due to the variations of nozzle ejection characteristics such as a nozzle ejection volume is small and a change direction is constant, and the number of candidate correction values is large at a nozzle position where an effect due to variations of nozzle ejection characteristics is large. | 04-05-2012 |
20120081443 | INKJET PRINTING APPARATUS, INKJET PRINTING METHOD, IMAGE PROCESSOR AND IMAGE PROCESSING METHOD - In the present invention, joint sections and non-joint sections are formed in nozzle arrays of a plurality of chips arranged in a print head. Correction values for correcting input image data are calculated for reducing color difference caused by variation in the ejection characteristics of the nozzles. In this calculation of correction values, first a first correction value corresponding to first nozzles that form a color measurement area is calculated based on the color measurement value obtained by measuring the color of a discrete color measurement area included in a patch formed by a nozzle array. Next, a second correction value for correcting input image data corresponding to second nozzles of the nozzle array is calculated based on the first correction value. Different complementary processing is used when calculating the second correction value corresponding to a non-joint section, and when calculating the second correction value corresponding to a joint section. | 04-05-2012 |
20120081444 | IMAGE PROCESSING APPARATUS, PRINTING APPARATUS, AND IMAGE PROCESSING METHOD - Provided are an image processing apparatus and an image processing method capable of reducing color unevenness due to variations in ejection characteristics among a plurality of nozzles when printing an image using a plurality of inks. To that end, a first image which is made up a color with noticeable color unevenness and similar colors is printed onto a print medium. The user then specifies a color and a nozzle position where color unevenness has occurred. On the basis of these results, parameters are set for a correction table referenced by are MCS processor. In so doing, it becomes possible to address the factor causing the color unevenness, and mitigate the effects of color unevenness in a focused way without incurring increases in processor load, memory requirements, or processing time as compared to the case of calibrating all lattice points. | 04-05-2012 |
20120081449 | INKJET PRINTER, IMAGE PROCESSOR, AND IMAGE PROCESSING METHOD - In the present invention, a first calculation unit calculates, based on image data obtained by reading with a reading unit a plurality of patches formed on a printing medium by a plurality of nozzle regions constituting nozzle array of a printing head, respective color specification values of a plurality of correction regions corresponding to a plurality of nozzle regions constituting the nozzle array. Then, a target value setting unit sets, based on the calculated color specification values of the plurality of correction regions, a target color specification value of the patch. Further, a second calculation unit calculates a difference between each of the color specification values of the plurality of correction regions and the target color specification value as a correction amount. After that, based on the correction amount calculated, image data corresponding to an image printed by each of the plurality of nozzle regions are corrected. | 04-05-2012 |
20120081768 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND PRINTER - An image processing apparatus is provided that is capable of very accurately and efficiently reducing uneven color caused by variation in ejection characteristics among nozzles that eject ink and that occurs in a color image that is formed by mixing a plurality of different kinds of ink. A patch is printed by ejected ink from a plurality of nozzles, a region is specified so as to perform color correction in a test color image that is printed on a printing medium, a plurality of different color correction processing is performed on color signals that correspond to a color correction region, a plurality of color correction patches are printed, a color correction patch to be used is selected from among the plurality of different color correction patches and table parameters that correspond to the nozzles are created based on the selected color correction processing. | 04-05-2012 |
20120113183 | INKJET RECORDING APPARATUS AND INKJET RECORDING METHOD - When the width of a recording head is greater than the width of a recording medium having a maximum conveyable width, a recorded image corresponding to ejecting ports in the entire area of the recording head cannot be corrected. Multiple correction test patterns are recorded using ejecting ports in part of the recording head, and correction data for correcting an image corresponding to ejecting ports in the entire area of the recording head on the basis of the colorimetric result of the test patterns. In this way, image data to be recorded by the ejecting ports in the entire area of the recording head is corrected. | 05-10-2012 |
20120300266 | SHEET MUSIC CREATION METHOD AND IMAGE PROCESSING APPARATUS - A sheet music creation method of creating sheet music whose layout is changed based on image data of sheet music input from an input device includes the steps of dividing the image data of the sheet music input from the input device into grand staffs, designating the grand staffs divided in the dividing in the order of performance, and re-editing, by a processor, image data representing the grand staffs in accordance with the order designated in the designating. | 11-29-2012 |
20120327151 | INKJET RECORDING APPARATUS AND INKJET RECORDING METHOD - When the width of a recording head is greater than the width of a recording medium having a maximum conveyable width, a recorded image corresponding to ejecting ports in the entire area of the recording head cannot be corrected. Multiple correction test patterns are recorded using ejecting ports in part of the recording head, and correction data for correcting an image corresponding to ejecting ports in the entire area of the recording head on the basis of the colorimetric result of the test patterns. In this way, image data to be recorded by the ejecting ports in the entire area of the recording head is corrected. | 12-27-2012 |
20130300785 | IMAGE PROCESSING APPARATUS, INKJET PRINTING APPARATUS, AND IMAGE PROCESSING METHOD - Uneven glossiness is effectively suppressed between areas where light inks are mainly used and areas where dark inks are mainly used. The gloss is raised in areas where dark cyan ink C is used. In other words, the application amount of second clear ink applied by after application printing is set to 32% at primary cyan (grid point | 11-14-2013 |
20130301065 | IMAGE PROCESSING APPARATUS, INKJET PRINTING APPARATUS, AND IMAGE PROCESSING METHOD - Differences in color change due to bronze colors and the optical interference state related to bronzing are suppressed among multiple print modes. The blue primary color “Blue” in the standard RGB gamut is mapped to a point (color) that has moved in the clockwise direction, and that color is taken to be the primary color “Blue-s” in the Standard mode gamut. As a result, when an observer observes this color, the color shifted in the counter-clockwise direction is perceived as a color of the same hue as the primary color “Blue-f” in the Fine mode gamut, suppressing the difference in perceived color between the Fine mode and the Standard mode. | 11-14-2013 |
20140055518 | IMAGE PROCESSING APPARATUS, PRINTING APPARATUS, AND IMAGE PROCESSING METHOD - Provided are an image processing apparatus and an image processing method capable of reducing color unevenness due to variations in ejection characteristics among a plurality of nozzles when printing an image using a plurality of inks. To that end, a first image which is made up a color with noticeable color unevenness and similar colors is printed onto a print medium. The user then specifies a color and a nozzle position where color unevenness has occurred. On the basis of these results, parameters are set for a correction table referenced by an MCS processor. In so doing, it becomes possible to address the factor causing the color unevenness, and mitigate the effects of color unevenness in a focused way without incurring increases in processor load, memory requirements, or processing time as compared to the case of calibrating all lattice points. | 02-27-2014 |
20140184676 | DATA PROCESSING APPARATUS AND DATA PROCESSING METHOD - The present invention reduces an uneven color of a color having two or more colors of inks, the uneven color occurring due to manufacturing variations of ink ejection nozzles and so on. Each of a plurality of correction tables that is assigned to each predetermined number of nozzles that are used for printing on a common region in the print medium, of a plurality of nozzle arrays formed on a print head, each of the nozzle arrays ejecting a plurality of inks including a first ink and a second ink whose color is different from the color of the first ink, is generated on the basis of at least an ink ejection property of nozzles ejecting the first and second inks. | 07-03-2014 |
20150015637 | INKJET PRINTING APPARATUS AND CHECK PATTERN PRINTING METHOD - A check pattern is printed which makes it possible to detect, with high precision, individual patterns corresponding to nozzles of a print head of an inkjet printing apparatus. More specifically, after an alignment mark is printed, ejection of an ink from the nozzles is stopped for a certain time. Because of this stoppage time, the concentration of a coloring material of the ink ejected from the nozzles increases, whereby the optical density of an analysis pattern which is printed later can be increased. In this manner, a scanner can read, with high precision, the patterns corresponding to the nozzles. | 01-15-2015 |
20150062652 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM - An apparatus includes an acquisition unit configured to acquire at least one image group including at least one image; a creating unit configured to create a layout candidate by laying out images included in an image group that has been acquired by the acquisition unit; an evaluating unit configured to evaluate the layout candidate created by the creating unit, based on individual evaluation of each of the images in accordance with a feature of a subject in the images that have been laid out in layouts; and an output unit configured to output the layout candidate created by the creating unit, at a predetermined output size. The feature of the subject in the images includes a size of the subject in the image identified by an output size of the layout candidate output by the output unit. | 03-05-2015 |
20150063724 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM - An image group including at least one image is acquired, a layout candidate is created, by laying out images included in an acquired image group, and the created layout candidate is evaluated. Evaluation of the layout candidate is performed based on evaluation of each image laid out within a layout, and a scaling factor based on image size of the image placed in the layout, and a size of the image. | 03-05-2015 |