Fuji Xerox Co., Ltd.

Osamu Yasui

Toshio Hisamura

Fumihiko Ogasawara

Yasuhiro Arai

Hirokazu Tsubota

Masaki Fujise

Atsushi Ugajin

Michio Taniwaki

Ken Tsuchiya

Satoshi Kurashima

Michihiro Inoue

Yoshitake Matsubara

Yosuke Tashiro

Shinya Miyamori

Masaomi Sakamoto

Tetsuhiro Inoue

A three-dimensional data generation device includes a data division unit, a detection unit, an output command unit, and a data correction unit. The data division unit divides sectional shape data on one layer of a shaped object into mark data for shaping a mark for correction of sectional shape data on a different layer to be output as superposed on the one layer and post-removal data obtained by removing the mark data from the sectional shape data on the one layer. The detection unit detects an amount of misregistration of the mark output using the mark data from a position determined in advance. The output command unit commands output using the post-removal data so as to form the one layer of the shaped object together with the mark. The data correction unit corrects the sectional shape data on the different layer using the amount of misregistration of the detected mark.

Three-dimensional data generation device, three-dimensional shaping device, and shaped object shaping method

An image processing device includes: a fold unit that folds an adjustment sheet based on a predetermined reference fold position; a punch hole former that forms a punch hole in a stacked portion of the adjustment sheet, created as a consequence of folding of the adjustment sheet; an image reader that reads an image of the adjustment sheet with the adjustment sheet unfolded, in which the punch hole is formed; and a position identifying unit that identifies a position of a fold line using at least positions of a pair of punch hole images which appear in the image of the adjustment sheet and on both sides of the fold line of the adjustment sheet.

Image processing device and method

An exposure device includes a plurality of light-emitting elements, a lighting driver, a first storage, a reader, a shading correction unit and a second storage. The lighting driver drives and lights up the light-emitting elements based on image data. The first storage stores light amount unevenness correction values of the respective light-emitting elements. The reader reads the light amount unevenness correction values stored in the first storage. The shading correction unit executes shading correction for the light amount unevenness correction values read by the reader. The second storage stores correction values obtained by having the shading correction unit to execute the shading correction for the light amount unevenness correction values. The lighting driver controls light power of the respective light-emitting elements based on the correction values stored in the second storage.

Exposure device, image forming apparatus, exposure control method and computer-readable medium

An image formation system includes a medium-pattern-information-read-unit that reads pattern information of a surface of a medium; a pattern-information-image-creation-unit that creates a pattern Information image based on the read pattern information; and a print unit that adds the pattern information image to a print image to be printed on the surface of the medium and prints the print image on the medium.

Image formation system adding pattern information to print image based on read pattern information from medium surface for determining if medium is original

An image forming apparatus includes a paper fiber reading unit that reads fiber properties of a paper sheet; an encryption unit that encrypts at least a part of an input image based on the fiber properties read by the paper fiber reading unit; and a printing unit that prints an encrypted image portion encrypted by the encryption unit and an image including information representing the fiber properties read by the paper fiber reading unit on the paper sheet whose fiber properties are read by the paper fiber reading unit.

Encrypting image data based on paper fiber properties, printing encrypted image, and decrypting encrypted image

An exposure device includes plural light emitting elements that light in turn for exposure, plural driving elements that drive each of the light emitting elements and a time changing member that changes one time period of a switching signal to switch light emitting elements driven by the driving elements among the plurality of light emitting elements in turn from a reference time, depending on an image forming speed, wherein the time changing member changes the one time period from the reference time for some of the light emitting elements during one main scan, and maintains the one time period as the reference time for the remaining light emitting elements.

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Ebina, Japan

Osamu Yasui