Patent application number | Description | Published |
20120162649 | COLOR CHART - A color chart having a plurality of mirror-image color blocks arranged in a matrix, with each color block a mirror image of an adjacent color block, each color block having rows and columns of color patches, wherein the concentration of a first color of the multiple colors changes unidirectionally across color patches in any given row of a color block, the concentration of a second color of the multiple colors changes unidirectionally across color patches in any given column of a color block, and the concentration of a third color of the multiple colors remains unchanged across all the plurality of color patches within a color block and differs only between color blocks. | 06-28-2012 |
20130016374 | IMAGE TEST APPARATUS, IMAGE TEST SYSTEM, AND IMAGE TEST METHODAANM KAWAMOTO; HiroyukiAACI KanagawaAACO JPAAGP KAWAMOTO; Hiroyuki Kanagawa JPAANM Kitai; TadashiAACI KanagawaAACO JPAAGP Kitai; Tadashi Kanagawa JPAANM Kaneko; HitomiAACI SaitamaAACO JPAAGP Kaneko; Hitomi Saitama JPAANM Kojima; KeijiAACI KanagawaAACO JPAAGP Kojima; Keiji Kanagawa JPAANM Ishizaki; HiroyoshiAACI KanagawaAACO JPAAGP Ishizaki; Hiroyoshi Kanagawa JPAANM Miyamoto; KeiichiAACI KanagawaAACO JPAAGP Miyamoto; Keiichi Kanagawa JP - An image test apparatus includes a color-image-data acquiring unit that acquires color image data being data of an image to be formed with a color material; a master-image-data generating unit that converts the color image data depending on transparent image data being data of an image to be formed with a transparent color material, thereby generating master image data; and an image testing unit that tests, using the master image data, a test image data which is generated by optically reading a print image from a printed matter on which the print image based on the color image data and the transparent image data has been printed. | 01-17-2013 |
20130044342 | APPARATUS, SYSTEM, AND METHOD OF INSPECTING IMAGE, AND RECORDING MEDIUM STORING IMAGE INSPECTION CONTROL PROGRAM - An inspection apparatus obtains a correction parameter for correcting the positional shift between a previously read image and a master image, and corrects one of a currently read image or a master image using the correction parameter for the previously read image, before comparing between the currently read image and the master image to detect the positional shift in the currently read image. | 02-21-2013 |
20130044347 | APPARATUS, SYSTEM, AND METHOD OF INSPECTING IMAGE, AND RECORDING MEDIUM STORING IMAGE INSPECTION CONTROL PROGRAM - An inspection apparatus, inspection system, inspection method, and inspection control program stored in a recording medium, each of which sets a reference point in a master image and a read image read from a printed image, which is to be used for detecting the positional shift between the read image and the master image, based on determination whether a pattern previously added to the printed image for detecting the positional shift is available or can be used to effectively detect the positional shift. | 02-21-2013 |
20130250319 | IMAGE INSPECTION METHOD, IMAGE INSPECTION APPARATUS, AND RECORDING MEDIUM STORING IMAGE INSPECTION CONTROL PROGRAM - An image inspection apparatus obtains a threshold value indicating an allowable range of offset differences between an output target inspection image and a pre-provided inspection image, and determines whether to inspect a read image obtained by reading an output target image formed on a recording sheet having a pre-provided image, using the threshold value. | 09-26-2013 |
20130250369 | APPARATUS, SYSTEM, AND METHOD OF INSPECTING IMAGE, AND RECORDING MEDIUM STORING IMAGE INSPECTION CONTROL PROGRAM - An apparatus, system, method, and a non-transitory recording medium storing an image inspection control program, each of which is capable of inspecting a printed image based on comparison between a read image read from the printed image and an inspection image. As a portion of the read image is obtained, the size of the obtained portion of the read image is corrected to match the size of the inspection image, using a magnification ratio previously obtained. After matching the sizes of the read image and the inspection image, the read image is compared with the inspection image to inspect the read image. | 09-26-2013 |
20130250370 | APPARATUS, SYSTEM, AND METHOD OF INSPECTING IMAGE, AND RECORDING MEDIUM STORING IMAGE INSPECTION CONTROL PROGRAM - An apparatus, system, method, and non-transitory recording medium storing an image inspection control program, each of which is capable of inspecting a printed image are provided. While generating an inspection image to be used for inspecting a read image obtained by reading the printed image, attribute data indicating, for each pixel in the inspection image, whether the pixel belongs to drawing data in the inspection image is generated. The attribute data is used to process inspection of the read image based on comparison between the read image and the inspection image. | 09-26-2013 |
20130250377 | IMAGE READING DEVICE, APPARATUS INCLUDING IMAGE READING DEVICE, IMAGE READING CONTROLLING METHOD, AND RECORDING MEDIUM STORING IMAGE READING CONTROL PROGRAM - An image reading device includes an imaging device including a plurality of imaging elements, and a calibration plate having a surface on which a plurality of color patches is formed, and a processor that instructs the imaging device to read the plurality of color patches while changing a relative position between the plurality of color patches and the plurality of imaging elements, to output reading results of the plurality of color patches. | 09-26-2013 |
20130250378 | IMAGE READING DEVICE, APPARATUS INCLUDING IMAGE READING DEVICE, IMAGE READING CONTROLLING METHOD, AND RECORDING MEDIUM STORING IMAGE READING CONTROL PROGRAM - An image reading device includes an imaging device including a plurality of imaging elements, a color measuring unit that detects color of an object at a color measurement area, a calibration plate having a surface on which a plurality of color patches is formed, and a processor that causes the color measuring unit to read the plurality of color patches while changing a relative position between the plurality of color patches and the plurality of imaging elements to output color measurement results of the plurality of color patches, and generates a set of reference values for the plurality of color patches based on the color measurement results of the plurality of colors. The set of reference values are compared with the reading results of the plurality of color patches to generate a set of correction values for correcting the reading results of the plurality of color patches. | 09-26-2013 |
20140036290 | IMAGE INSPECTION SYSTEM AND IMAGE INSPECTION METHOD - An image inspection system for inspecting an image output on a recording medium includes an image forming unit to form a threshold setting image on the recording medium; an image scanner to scan the threshold setting image to generate a scanned image; an inspection reference image generator to generate an inspection reference image using data of the an output-target image; an image inspection unit to determine a defect in the scanned image based on a difference between the inspection reference image and the scanned image; and a threshold determiner to determine a threshold to be compared with the difference between the inspection reference image and the scanned image. The image inspection unit computes the difference between the scanned image and the inspection reference image. The threshold determiner determines a threshold to be compared with the difference between the scanned image and the inspection reference image. | 02-06-2014 |
20140079292 | IMAGE INSPECTION APPARATUS, IMAGE INSPECTION SYSTEM AND IMAGE INSPECTION METHOD - An image inspection apparatus for inspecting a scanned image of an output image includes an inspection reference image generator to generate an inspection reference image; an image inspection unit to determine a defect by comparing a difference between the inspection reference image and the scanned image with a threshold; a threshold determiner to determine the threshold; and a defect range determiner to determine a range of defect level of a plurality of artificial defects. Based on a difference computed for a defect selected from the plurality of artificial defects, the threshold determiner determines a threshold to be compared with the difference of the selected defect. The defect range determiner conducts a defect determination for the scanned image at the upper and lower limits for a threshold to determine a range of defect level of the plurality of artificial defects. | 03-20-2014 |
20140079293 | IMAGE INSPECTION APPARATUS, IMAGE INSPECTION METHOD, AND CONTROL PROGRAM OF IMAGE INSPECTION APPARATUS - An image inspection apparatus for inspecting an output image on a recording medium by scanning the output image as a scanned image includes an inspection reference image generator to generate an inspection reference image using data of an output-target image; an image inspection unit to determine whether the scanned image includes a defect by comparing a difference between the inspection reference image and the scanned image with a given threshold; and a threshold determiner to determine the given threshold. The threshold determiner computes a difference between the inspection reference image and the scanned image. The threshold determiner determines the given threshold based on the difference between the scanned image and the inspection reference image. | 03-20-2014 |
20140268207 | IMAGE EXAMINATION APPARATUS, IMAGE EXAMINATION SYSTEM, AND IMAGE EXAMINATION METHOD - An image examination apparatus includes a generation unit configured to generate an examination image for examining a read image; an extraction unit configured to extract, from the examination image, multiple reference points used for alignment between the examination and read images; a calculation unit configured to calculate information on misalignment between positions of the reference points and positions corresponding respectively to the reference points in the read image; an excluding unit configured to exclude a reference point from the multiple reference points, based on the information on misalignment; an alignment unit configured to perform alignment between the examination and read images based on the reference points other than the excluded reference point; and an examination unit configured to perform examination for determining whether there is a defect in the read image on the basis of a difference between the read and examination images. | 09-18-2014 |
20140268259 | IMAGE INSPECTION DEVICE, IMAGE INSPECTION SYSTEM, AND IMAGE INSPECTION METHOD - An image inspection device includes: a read-image acquiring unit that acquires a read image of a formed and output image; an inspection-image generating unit that generates an inspection image used for inspection of the read image on the basis of information of an image to be formed and output acquired from an image processing apparatus that corrects density of the image according to a state of an image forming apparatus, and generates the information; and an inspection-result acquiring unit that acquires a result of determination of a defect in the read image based on a difference between the inspection image and the read image. The inspection-image generating unit acquires density correction information in which densities before and after density of the image is corrected are associated, and generates the inspection image corresponding to density before corrected, on the basis of the acquired density correction information. | 09-18-2014 |
20140313538 | APPARATUS, SYSTEM, AND METHOD OF INSPECTING IMAGE, AND RECORDING MEDIUM STORING IMAGE INSPECTION CONTROL PROGRAM - An inspection apparatus, inspection system, inspection method, and inspection control program stored in a recording medium, each of which sets a reference point in a master image and a read image read from a printed image, which is to be used for detecting the positional shift between the read image and the master image, based on determination whether a pattern previously added to the printed image for detecting the positional shift is available or can be used to effectively detect the positional shift. | 10-23-2014 |
20140314281 | IMAGE INSPECTION APPARATUS, IMAGE INSPECTION SYSTEM AND IMAGE INSPECTION METHOD - An image inspection apparatus for checking an image printed on a recording medium includes: a reference pixel obtaining unit configured to generate a reference image and obtain a first pixel value from the reference image; a print pixel obtaining unit configured to extract an image printed area and obtain a second pixel value from the image; an offset processing unit configured to add a non-image-printed area; and an image checking unit configured to compute a difference between the first image pixel value and the second image pixel value and detect an error when the difference is higher than a predetermined threshold value, wherein the non-image-printed area contains a third pixel value that is different from the first pixel value or the second pixel value, and the image checking unit suspends a determination whether or not there is an error in the image printed area associated with the non-image-printed area. | 10-23-2014 |
20150063654 | IMAGE INSPECTION SYSTEM, IMAGE INSPECTION METHOD, AND RECORDING MEDIUM STORING IMAGE INSPECTION PROGRAM - An image inspection system, an image inspection method, and an image inspection program acquires a read image obtained by reading an output image, generates an inspection image for inspecting the read image based on data of a to-be-output image, acquires an inspection result including a determination whether the read image is defective, based on a difference between the inspection image and the read image, acquires coloring-material usage data indicating extent of coloring-material usage in the output image, the coloring-material usage data being read when the read image is generated, generates coloring-material usage defect rate data indicating a defect rate in association with coloring-material usage, based on the inspection result and the coloring-material usage data, and obtains coloring-material usage of the to-be-output image, based on data of pixels forming the to-be-output image. | 03-05-2015 |