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公开(公告)号：US20240297950A1
公开(公告)日：2024-09-05
申请号：US18573174
申请日：2022-06-29
CPC分类号： H04N1/6041 , B41J2/2121 , B41J2/2135 , G01J3/462 , H04N1/502 , H04N1/6008 , H04N1/6044
摘要： The disclosure relates to a method for color correcting a digital printer over a printing width of the digital printer, having the steps of: a) providing a specified digital image, said digital image having at least one color channel pattern, wherein each color channel pattern is assigned to a print color channel of the digital printer; b) determining at least one test color of the specified digital image; c) generating a digital test pattern, said digital test pattern being provided with at least one single-colored test strip which is designed to be printed over the printing width of the digital printer, d) printing the digital test pattern using the digital printer; e) detecting the color values of the printed test pattern on the basis of the position thereof in the direction of the printing width using an optical color measuring device; f) generating correction data for the digital printer using the detected color values; and g) using the correction data on the digital printer and/or the specified digital image. The method is suitable in particular for color correcting substantially single-colored prints and for reducing the formation of stripes in the printing direction.
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公开(公告)号：US20240291930A1
公开(公告)日：2024-08-29
申请号：US18573257
申请日：2022-06-29
CPC分类号： H04N1/6033 , H04N1/407
摘要： The disclosure relates to a method for color correcting a digital print. In a first step, a specified digital image is provided to a digital printer as a color-separate digital image with at least one color channel pattern, wherein each color channel pattern is assigned to a print color channel of the digital printer and has information relating to the printing points, which are to be placed by the printer, of the corresponding print color channel, and a printing point is defined by the printing position and size thereof. The method additionally has the steps of: a) providing correction data for the digital print, said correction data at least comprising a correction value for at least one color channel pattern, b) using the correction data on the color-separate digital image, whereby a color-corrected color-separate digital image is obtained, and c) optionally printing the color-corrected color-separate digital image using the digital printer.
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