Canon Kabushiki Kaisha

Kimimori Eguchi

Koya Shimamura

Provided is an image forming apparatus including: an obtainment unit configured to obtain print data including drawing commands; a first image processing unit configured to perform conversion of color information for drawing an object having a non-image attribute among objects to be drawn by the drawing commands; a command execution unit configured to generate raster image data based on the drawing commands; a storage configured to store the generated raster image data to perform predetermined output; a second image processing unit configured to perform conversion of color information on an object having a picture attribute in the generated raster image data; and a control unit configured to perform the predetermined output in a case where a predetermined condition is met.

Image forming apparatus, method for controlling image forming apparatus, information processing method, and storage medium

An apparatus configured to generate image data represented in achromatic color from input image data and output the generated image data to a printer includes a controller. The controller is configured to replace color information of an object included in the input image data with an achromatic signal value, determine, based on an achromatic signal value corresponding to color information of a pixel of interest in the input image data, whether the pixel of interest satisfies a predetermined condition, and perform enhancement processing on the color information of the pixel of interest in a case where the pixel of interest is determined not to satisfy the predetermined condition.

Apparatus and method for performing enhancement processing on color information

Apparatus and control method for enhancement based on achromatic signal value replacing pixel color information

The disclosed technique is an image processing apparatus that corrects gradation values of monochrome data converted from color data, including correction unit configured to, in the case where there are three or more gradation values after conversion and there are a plurality of gradation value differences between adjacent gradation values arranged in order of magnitude, if there is a gradation value difference smaller than a prescribed threshold value among the plurality of gradation value differences, correct the gradation value difference smaller than the threshold value to increase in the range of the threshold value or smaller by reducing other gradation value differences adjacent to the gradation value difference smaller than the threshold value.

Image processing with corrections for spaced-apart gradation values of grayscale data

To make it possible for image processing to control the thickness of a character or a line to be applied similarly as long as input image data is the same even in the case where the setting of color conversion processing or density correction processing is changed. An apparatus that forms an image on a printing medium by using a color material, the apparatus including: a first image processing unit configured to perform first image processing to change a density of the color material for an input image; a second image processing unit configured to perform second image processing to control a thickness of a text object or a line object included in the input image; and a setting unit configured to acquire a setting of information representing characteristics of the first image processing and to set a parameter in the second image processing in accordance with the acquired setting, and the second image processing unit controls the thickness of the text object or the line object in accordance with the set parameter.

Image forming apparatus with density correction and edge smoothing, method, and storage medium storing program to perform the method

An information processing apparatus and an image processing method are provided. The image processing apparatus detects character data from image data, executes edge enhancement processing, using a first filter, on an edge portion of a region, out of the detected character data, that includes a region whose frequency of points or lines is greater than a predetermined frequency, and executes edge enhancement processing, using a second filter, on an edge portion of a region, out of the detected character data, that does not include a region of a spatial frequency higher than the predetermined frequency. The first filter has, in comparison to the second filter, a larger degree for edge enhancement with respect to a region having a frequency higher than the predetermined frequency.

Image processing apparatus, image processing method, and storage medium for edge enhancement based on plural conditions

An image processing apparatus receives designation of a target color to be removed, obtains the hue and chroma of the designated color, determines the target color based on the obtained hue and chroma, and replaces the signal value of a pixel contained in image data and having a signal value corresponding to a color falling within a predetermined range containing the designated color with a signal value indicating white, thereby performing color removal.

Image processing apparatus, image processing method, and storage medium for removing a designated color from an image

A printing apparatus includes a reception unit that receives outline information representing an outline of a character, a generation unit that generates, using the outline information, a bitmap including pixels corresponding to the character, the pixels being associated with a graphic attribute, a changing unit that refers an attribute associated with a pixel adjacent to one of the pixels corresponding to the character, and changes a density value of the adjacent pixel associated with the referred attribute being different from a graphic attribute and a character attribute to a density which is based on a density value of the one pixel, and a printing unit that prints an image based on the bitmap after the change.

Printing apparatus for adjusting width of object and printing method

A favorable image for which an attribute of each object being taken into consideration is obtained without the need to specify in detail various kinds of image processing to be applied to image data. An image processing apparatus including: an image processing unit configured to perform predetermined image processing on image data; a user interface for a user to set contents of the image processing; and a setting management unit configured to limit a portion of the image data to which the set contents of the image processing are applied in accordance with the contents set via the user interface.

Image processing apparatus, control method of image processing apparatus, and storage medium with performing smoothing on object other than character

An image processing apparatus capable of communicating with a server that provides a microblogging function detects a registration of a first message to the server, acquires image data indicated by the first message whose registration is detected, outputs the acquired image data and registers to the server a second message on the first message registered to the server, in a case where the image data is not output within a predetermined time period.

Image processing apparatus, method of controlling the same and storage medium thereof

An image processing apparatus includes a first determination unit configured to determine whether a pixel included in image data belongs to an edge, a second determination unit configured to determine whether a pixel included in the image data is achromatic, and a processing unit configured to perform process for forming a pixel only with an achromatic color material on a pixel determined as belonging to an edge and being achromatic. In a case where the pixel has been determined as belonging to an edge and being achromatic, the processing unit determines whether the process is to be performed on a pixel adjacent to the pixel which has been determined as belonging to an edge and being achromatic, and, in a case where it has been determined that the process is to be performed, performs the process on the adjacent pixel.

Apparatus and method for enlarging object included in image data, and storage medium therefor

An image processing apparatus that communicates with a server that has a microblogging function performs user authentication processing and follows a user authenticated by the user authentication processing in accordance with the performing user authentication processing succeeding.

An image forming apparatus comprises an operation unit which performs an operation for calculating amount data of a printing material which indicates an amount of a printing material required to form the image, a reduction processing unit which changes, when it is determined that the amount of a printing material needs to be reduced, the amount data of the printing material to a value corresponding to the reduced amount of the printing material, an inverse operation unit which perform an inverse operation of the operation for the amount data of the printing material, after processing by the reduction processing unit, and an image forming unit configured to form an image on the basis of amount data of a printing material for which an inverse operation is performed.

Image forming apparatus and image processing method having tone correction

On a Web service apparatus, messages are monitored and obtained. The contents of an obtained message are analyzed, and if it is determined that the message includes a print instruction for a follower, the corresponding file is obtained from the Web service apparatus, printed, and after the print completes, a comment relating to the print is sent to the Web service apparatus.

Image forming apparatus, which is connected to a server that provides a service over a network and forms an image using a microblogging function provided by the server, control method and storage medium

When both of a trapping and a resolution converting process are executed, a deterioration in picture quality occurs. In order to solve this problem, an image forming apparatus is provided which performs a trapping process to expand outlines of objects whose boundaries are in contact with each other, performs a resolution conversion process to change density of edges of an image, and restricts processing so that the trapping process and the resolution conversion process are not executed to a same pixel.

Growing community of inventors

Kashiwa, Japan

Kimimori Eguchi