Canon Kabushiki Kaisha

Other

Cannon Kabushiki Kaisha

Canon Business Machines, Inc.

Akitoshi Yamada

Akira Yamamoto

Fumitaka Goto

Mitsuhiro Ono

Fumihiro Goto

Hiromitsu Hirabayashi

Tomokazu Ishikawa

Masao Kato

Kentaro Yano

Junichi Nakagawa

Hidetsugu Kagawa

Nobutaka Miyake

Ryosuke Iguchi

Tetsuya Suwa

Takashi Fujita

Masahiko Kubota

Hiroyuki Ishinaga

Yoshiyuki Imanaka

Teruo Ozaki

Shinjiro Hori

Hiroyasu Kunieda

Hisashi Ishikawa

Shinichi Miyazaki

Toshio Kashino

Hitoshi Nishikori

Shigeyasu Nagoshi

Norihiro Kawatoko

Makoto Torigoe

Yuji Konno

Hiroyuki Sakai

Hiroaki Ogawa

Yuji Akiyama

Hiromitsu Yamaguchi

Makoto Takemura

Takashi Nakamura

Kenji Takahashi

Minako Kato

Hiroyuki Sugiyama

Hidehiko Kanda

Minoru Teshigawara

Takayuki Yamada

Yoshiaki Murayama

Atsuhiko Masuyama

Okinori Tsuchiya

Takao Aichi

Rie Kajihara

Yusuke Hashii

Tohru Ikeda

Kazuyuki Masumoto

Senichi Saito

Arata Miyagi

Akihiko Nakatani

Kouta Murasawa

Yumi Yanai

Ruriko Mikami

Yoichi Kashibuchi

Takeru Sasaki

Yuto Kajiwara

Yutaka Kano

Tatsuya Tanaka

Masashi Kamada

Yugo Mochizuki

Hiroshi Arimizu

Fumihiro Gotoh

Miyuki Fujita

Ikuo Nakazawa

Tetsuya Kawanabe

Shinji Kanemitsu

Tadashi Hanabusa

Tsukasa Doi

Nobuyuki Bannai

Daisaku Ide

Naoya Takesue

Yoshikazu Ishikawa

Yuki Omagari

Nobuyuki Matsumoto

Toshiharu Inui

Masaya Uetsuki

Naoki Sumi

Satoshi Azuma

Manabu Yamazoe

Tomoyuki Watanabe

Susumu Hirosawa

Yusuke Yamamoto

Yoichi Takada

Takeshi Murase

Tsuneki Inuzuka

Tomokazu Yanai

Hiroaki Mihara

Takashi Ochiai

Shoei Moribe

Akihiro Fujimoto

Kentarou Muro

Fumiko Suzuki

An object of the present disclosure is to maintain density as an area as compared to a conventional technology even in a case where the quantization target is an image of a high-frequency pattern, such as a hatching pattern, with a halftone value to be subjected to an error diffusion process. An embodiment of the present invention is a program for causing a computer to function as an image processing apparatus for quantizing a pixel value of each pixel in an input image, the computer being caused to function as: an adding unit configured to add at least part of a difference between an accumulated pixel value and an applied error value for a pixel of interest to a quantization error value obtained by the quantization; and an error distributing unit configured to diffuse an added error obtained by the adding unit to peripheral pixels around the pixel of interest.

Storage medium, image processing apparatus, and image processing method

An image processing apparatus comprises: an acquiring unit configured to acquire image data generated by reading an original; a specifying unit configured to specify an object region including a predetermined object in the image data; a removing unit configured to remove, from the object region, noise with a size smaller than a size specified by a first threshold; and a setting unit configured to set the first threshold, for each object region specified by the specifying unit, in accordance with the size of the object region.

Image processing apparatus, image processing method, and non-transitory computer-readable storage medium storing program comprising acquiring an image generated by reading an original, and removing noise from an object region with a size smaller than a size specified in a first threshold

An image processing apparatus comprises an execution unit configured to selectively execute, for each pixel in each of a first region, a second region, and an intermediate region, one of a plurality of processes including first processing of generating an output value indicating that a first printing material is applied and a second printing material of a color different from a color of the first printing material is not applied, and second processing of generating an output value indicating that the second printing material is applied.

Image processing apparatus, image processing method, and non-transitory computer-readable storage medium storing program comprising setting first, second and intermediate regions in order to execute a first processing or second processing on each pixel in the set regions

An information processing apparatus includes at least one processor, and a memory that stores a program which, when executed by the at least one processor, causes the at least one processor to function as an acceptance unit configured to accept from a user a target impression of a poster image to be created, and a creation unit configured to create the poster image based on the target impression.

Information processing apparatus, control method therefor, and storage medium

An image processing apparatus includes an input unit configured to input image data; a generation unit configured to generate image data having undergone color gamut conversion from the image data input by the input unit using a conversion unit configured to convert a color gamut of the image data input by the input unit into a color gamut of a device configured to output the image data; a correction unit configured to correct the conversion unit based on a result of the color gamut conversion; and a control unit configured to control execution of the correction by the correction unit for an object included in the image data input by the input unit.

Image processing apparatus, method, and computer program product correcting color gamut conversion based on a positional relationship between different objects

An image processing apparatus includes: a first obtaining unit configured to obtain an original image; a second obtaining unit configured to obtain region information indicating first and second regions, the first region read in reading of a print original to have a higher density than the second region, the second region read in the reading to have a lower density than the first region; an embedding unit configured to embed information in the original image by embedding a pattern with a directivity in the first region and embed, in the second region, a pattern in which the number of pixels printed adjacent to printed pixels is smaller than that in the first region; and a control unit configured to perform control of outputting the print original by using a print image in which the patterns of the first and second regions are embedded by the embedding unit.

Image processing apparatus and image processing method that embeds information using a pattern with directivity and a pattern without directivity

An apparatus comprises at least one processor; at least one memory storing at least one program; a light source; and a capturing unit configured to acquire image data by capturing an image formed on a medium, wherein the program, when executed by the processor, causes the processor to extract information multiplexed in the image from an image captured by the capturing unit, adjust the light amount of the light source to a light amount that accords with a reflection intensity of the medium on which the image is formed, capture the image, and extract information from the image.

Information processing apparatus, method, and computer-readable medium

A determination unit determines whether a difference between a maximum value and a minimum value of pixel values of a plurality of pixels in a region of interest in N-gradation multi-valued data, where N≥4, representing the pixel values of the plurality of pixels is less than a determination threshold value. A generation unit generates M-gradation quantization data represented by an M-gradation quantization value, where 3≤M<N, based on the N-gradation multi-valued data and the determination. In a case where the determination unit determines that the difference is less than the determination threshold value, the generation unit generates the M-gradation quantization data so that each of the plurality of pixels corresponding to the region has a value that is one of two consecutive values of the M-gradation quantization values in the generated M-gradation quantization data.

Image processing apparatus to improve dot dispersibility with N-gradation multi-valued data, image processing method, and storage medium

An information processing apparatus connected to an image forming unit and a reading unit is provided. The apparatus generates image data based on document data described in a page description language, encodes the document data to be multiplexed on the image data, outputs the image data to the image forming unit, restores the multiplexed document data from the image data read by the reading unit, and saves the image data read by the reading unit and the document data restored by a restoration unit.

Information processing apparatus, image processing method, and medium

A printing apparatus heats a print medium in which color development layers that develop colors in accordance with heating are stacked in correspondence with a plurality of color. The apparatus includes a drive unit configured to drive each of heating elements of a printhead using a first pulse for preheating a predetermined color development layer, and a second pulse applied after the first pulse to cause the predetermined color development layer to develop the color, and a pulse control unit configured to, when developing a specific color, perform a control in which a pulse width of the first pulse is increased and/or a control in which the number of times of application of the second pulse is increased such that another color development layer that is not used to reproduce the specific color does not develop the color.

Printing apparatus and print control method

An image processing apparatus obtains image data that is defined as a first color gamut, transforms the image data into image data that is defined as a second color gamut, using color transformation information, and when, as a result of transformation, a first pair of color values included in the image data is transformed into a second pair of color values that have a color difference that is not perceived as different colors, generates second color transformation information such that the first pair of color values is transformed into a third pair of color values that have a color difference that is perceived as different colors as a result of transformation using the second color transformation information. A saturation difference of the third pair of color values is larger than a saturation difference of the second pair of color values.

Image processing apparatus, image processing method, and medium

To prevent an insufficient development density of pixels with which a high-density image is recorded. Thermal energy to be applied to a pixel of interest is increased if a pixel immediately subsequent to the pixel of interest is one to which energy not causing heat propagation to the pixel of interest is applied.

Recording apparatus and recording method

Dot data for a boundary zone between metallic ink and color ink is changed to increase a time difference between a scan for applying the metallic ink and a scan for applying the color ink. With this change, a fusion time of the metallic ink is ensured, and the occurrence of an image defect is suppressed.

Image printing apparatus for suppressing a reduction in image quality at a boundary between a region where metallic ink is applied and a region where color ink is applied

An apparatus is configured to heat a print medium in which a plurality of color development layers that develop colors in accordance with heating are stacked in correspondence with a plurality of colors so as to form an image on the medium by causing a desired color development layer in the plurality of color development layers to independently develop the color. The apparatus includes a printhead, an input unit configured to receive a print job, a generation unit configured to generate image data and cut information for specifying a cut position, a second generation unit configured to generate first and second pulses for driving the print head, and a drive unit configured to drive the print head to form an image on the medium and apply heat beyond a melting point to melt the medium so as to cut the medium.

A recording apparatus includes a recording head including a plurality of heating elements, a sheet-like recording medium formed of a plurality of laminated color-developing layers for developing a plurality of colors. A first condition is satisfied when a subsequent pixel, located at the same position as a target pixel to be recorded following the target pixel, is a pixel for developing a color of a bottom color-developing layer of the recording medium. In a case where a value of the target pixel in the image data is a predetermined value and does not satisfy the first condition, the pulse control unit controls the pulse so that a thermal energy to be applied to the recording medium by the recording head in forming the target pixel is lower than if the first condition is satisfied.

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Yokohama, Japan

Akitoshi Yamada