Ricoh Company, Ltd.

Akiho Watanabe

Yuuki Sagimori

Hiroyoshi Ishizaki

Kazuki Yoshida

Kengo Yamamoto

An image processing apparatus includes a color stabilization processing unit and a display control unit. The color stabilization processing unit is configured to determine a correction amount of gradation of image data to be printed, based on a read image obtained by reading a recording medium as a print processing result. The display control unit is configured to display information indicating the correction amount.

Image processing apparatus for performing gradation correction, image forming system, image processing method, and storage medium

An image processing apparatus includes circuitry. The circuitry receives an operation of selecting data indicating a target color in color stability control. The circuitry determines the selected data indicating the target color as correction target data indicating a target color used for the color stability control. The circuitry generates correction gamma data used for gradation correction of image data for printing according to the determined correction target data.

Image processing apparatus, image forming system, image processing method, and non-transitory computer-executable medium

An image processing apparatus includes a read image obtaining unit configured to obtain read image data indicative of an image having been read, a target generation unit configured to generate, based on the read image data, target data indicative of a target color of a print medium, and a gradation correction unit configured to correct, based on the target data, a gradation of print image data indicative of an image to be formed.

Image processing apparatus, image processing system, method, and recording medium

An image processing apparatus includes processing circuitry. The processing circuitry is to acquire image data including primary color image data for primary color and spot color image data for spot color; generate primary color halftone data representing the primary color image data as a group of halftone dots, using a primary color screen specifying cyclic arrangement of lines of halftone dots; and generate spot color halftone data representing the spot color image data as a group of halftone dots, using a spot color screen having a second phase that is different from a first phase represented by the cyclic arrangement of lines specified in the primary color screen.

Image processing apparatus for primary color and spot halftoning

A specification part of an information processing device specifies, by using image data for a correction chart defining a plurality of patch regions having different color values, a target characteristic indicating a relation between the color value and a first colorimetric value of a first patch image as a laminated image of a special color image and a colored image that correspond to each of the patch regions formed by the device through the 2-path printing. A generation part of the device generates a correction table for correcting the color value so that a measured characteristic comes close to the target characteristic, the measured characteristic indicating a relation between the color value and a second colorimetric value of a second patch image as the laminated image corresponding to each of the patch regions formed by the device through the 1-path printing using the image data for a correction chart.

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Kanagawa, Japan

Akiho Watanabe