Fuji Xerox Co., Ltd.

Pauvi Sulistio

Yoshiharu Hibi

Kazuyuki Takahashi

Toshifumi Takahira

Masaomi Sakamoto

Ryouichi Satoh

Shinya Takaishi

Toshiyuki Yano

Masaru Okutsu

A color management system includes a measurement unit and a controller. The measurement unit measures a color difference between multiple colorimeters by using at least one detection color patch in accordance with colorimetry conditions used for the colorimeters. The controller generates, in a case where the color difference between the colorimeters is equal to or higher than a threshold for the detection color patch, a correction profile for correcting the color difference between the colorimeters.

Color correction and selection of color patches and correction thresholds in a color management system, non-transitory computer readable medium, and color management method

A color management system includes a memory and a controller. The memory stores a correction profile for a first medium, the correction profile being provided for correcting a difference between multiple colorimeters. The controller uses, as an evaluation index and on a basis of a result of colorimetry performed on a second medium that is different from the first medium, at least one of a color difference, a hue difference, or a lightness difference between the first medium and the second medium and uses the correction profile for the first medium as a correction profile for the second medium in a case where the evaluation index is equal to or lower than a corresponding one of thresholds.

Color management system, non-transitory computer readable medium, and color management method for substituting a correction profile of a first medium as a correction profile for a second medium

An image processor includes: a receiving unit that receives an input of image data in a first color space; a first color conversion unit that performs color conversion of the image data received by the receiving unit to image data formed of a first combination of color components in a second color space; a second color conversion unit that performs color conversion of the image data received by the receiving unit to image data formed of a second combination of color components in the second color space, the second combination being different from the first combination; and an image generating unit that generates an image based on at least the image data generated by the first and second color conversion units. Each of the first and second combinations includes a smaller number of color components than the number of color materials to be used in formation of an image.

Image processor, image forming system, image processing method and computer readable medium

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.

Image processing apparatus, image forming system, image processing method and computer readable medium for calibrating profiles of multiple sheets

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 by using a color conversion characteristic defining a correspondence relationship between the image signals of the first and second color spaces; an adjustment unit adjusting the image signal of the second color space, in accordance with a change in the color conversion characteristic; a correction unit correcting a conversion factor group for adjustment used when the image signal of the second color space is adjusted; and a judgment unit judging whether the conversion factor group needs to be corrected, on the basis of a color measurement result of a second color sample group including color samples the number of which is smaller than that of color samples in a first color sample group on which color measurement is performed to create the conversion factor group.

Image processing apparatus, image forming system, image processing method and computer readable medium

An image output control apparatus is capable of outputting normal images and stereo images from an output unit to a display device or a printer so that the normal images and the stereo images may be distinguishable. The image output control apparatus includes an image type determining unit that determines whether an image to be output is a stereo image or a normal image, the stereo image being composed of a pair of a left-eye image and a right-eye image, and an output form control unit that controls an image output form to distinguish a first image output form from a second image output form, the first image output form being used for outputting the stereo image, and the second image output form being used for outputting the normal image, according to the determination of the image type determining unit.

Growing community of inventors

Kanagawa, Japan

Pauvi Sulistio