Abstract: The image processor comprises a switch that divides image data into m×n pixels, having n lines with m pixels per one line; a group of line memories that store the divided image; a compression device which batch compresses the image data of m×n pixels. Further, a command control unit provides control so as to send the (n?1) lines of image data among m×n pixels of image data to the group of line memories, and the remaining one line of image data directly to the compression device 902, and to send the m×(n?1) pixels of image data stored in the line memories to the compression device.

Abstract: An image forming apparatus includes a scanning unit that scans documents to produce a first image data and a second image data; a correcting unit that corrects at least one of the first image data and the second image data; and a combining unit that combines raw or corrected first image data and the second image data.

Abstract: An image processing apparatus in which the reusability of digital image data is improved is disclosed. The apparatus includes an image reading unit reading a draft and obtaining the digitized image data; an image writing unit printing image data on a transfer paper; a recording unit recording image data and attached information of the image data; an external I/F unit transmitting and receiving image data and attached information of the image data; a first and a second image data processing units processing the image data from the image reading unit and the recording unit, respectively; and a bus controlling unit connecting each of the units. The first and the second image data processing units match the characteristics of the image data to prescribed characteristics so that the matched image data can be usable for both the image writing unit and the external device.

Abstract: A spatial filter applies a modulation transfer function correction process so as to increase a number of bits of input image data. A high-resolution converter converts the image data into output image data having a density higher than a sampling density of the input image data. One of the spatial filter and the resolution converter processes the image data after the other of the spatial filter and the resolution converter has processed the image data A possibility of saturation of an output of the spatial filter is decreased, thereby decreasing generation of moiré in a saturation calculation.

Abstract: An image processing apparatus in which an image obtained by image reading can be printed or used in another apparatus in a state identical to the appearance of the image when displayed. A first image correction unit converts image data inputted through an image reading unit into standard image data that can be shared by a plurality of types of output destinations, and generates image area separation information through image area separation judgment of the image data. The converted image data is associated with the generated image area separation information and both are stored in an image storage unit. An image editing unit edits the stored image data, and a second image correction unit converts the image data to image data for an image display unit as an output destination, while a third image correction unit converts the image data to image data for an image forming unit as an output destination.

Abstract: A determining unit extracts similar-characteristic areas in image data and determines a type of the characteristics of image data of each of the similar-characteristic areas, a first correcting unit corrects a characteristic of image data in each of the similar-characteristic areas to a predetermined data characteristic according to the type of the characteristics of image data of that similar-characteristic area thereby obtaining characteristics-corrected image data, a storage unit stores therein the image data and the characteristics-corrected image data, a second correcting unit corrects a characteristic of the image data and the characteristics-corrected image data stored in the storage unit to a destination-specific characteristic that corresponds to a destination to which image data is to be output, and an output unit outputs the image data having the destination-specific characteristic to the destination.

Abstract: The image processing device comprises a first function block section formed of functional blocks which require a supply of power so as to maintain the image processing device in an operating state when the power supply is on, and a second function block section formed of functional blocks which need not be supplied with the power so as to maintain the image processing device in an operating state even when the power supply is on. The supply of power to the second function block section can be stopped when desired, while continuing the supply of power to the first function block section, thereby saving the power.

Abstract: An image processing apparatus is provided with a detector for detecting a dot image portion or a non-dot image portion from a binarized image data representing an image, and an image processing section for carrying out a different image processing with respect to the binarized image data depending on a detection result of the detector.

Abstract: An image processing apparatus is disclosed. The image processing apparatus includes: an image processing unit configured to perform a plurality of image processes on image data that is input to the image processing apparatus; a unit configured to receive a specified function; an image debugging interface unit configured to output the image data on which an image process, of the plurality of image processes, corresponding to the specified function has been performed to an external apparatus in a debugging mode; and an image output unit configured to output the image data on which the image process corresponding to the specified function and following at least one image process of the plurality of image processes have been performed in the debugging mode.

Abstract: An image data correcting device eliminates a back projection image without eliminating an image corresponding to a low-intensity halftone image. An intensity difference detection part detects an intensity difference between first image data corresponding to a part of a predetermined small area and second image data corresponding to the remaining parts of the predetermined small area. A halftone detection part determining whether the first image data corresponds to a halftone image. An intensity change part changes an intensity of the first image data to a predetermined low intensity, when the intensity difference is equal to or smaller than a first predetermined value and the first image data does not correspond to the halftone image and the intensity of the first image data is equal to or smaller than a second predetermined value.

Abstract: The image processing device comprises a first function block section formed of functional blocks which require a supply of power so as to maintain the image processing device in an operating state when the power supply is on, and a second function block section formed of functional blocks which need not be supplied with the power so as to maintain the image processing device in an operating state even when the power supply is on. The supply of power to the second function block section can be stopped when desired, while continuing the supply of power to the first function block section, thereby saving the power.

Abstract: An image processing apparatus able to instantaneously transmit image data on which a color/monochrome judgment and a series of processings have been performed comprising: a color/monochrome judging device for judging if input RGB image data is color or monochrome; a color image correction processing unit for performing color image correction processing on the RGB image data and outputting color image data; a monochrome image conversion processing unit for performing monochrome image conversion processing on the RGB image data and converting the same to monochrome image data; image accumulation device for accumulating color image data and monochrome image data; a network I/F for transmitting the image data accumulated in the image accumulation device to an external network; and accumulation control device for outputting either the color image data or monochrome image data accumulated in the image accumulation device to an external network in accordance with the color/monochrome judgment result.

Abstract: An image processing apparatus includes an image scan unit configured to scan a document to produce electronic image data, a check unit configured to make determination as to whether the document is a color document or a monochrome document based on the image data scanned by the image scan unit, a scan image correction unit configured to correct the image data scanned by the image scan unit such that the image data has predetermined data characteristics, a memory unit configured to store the image data corrected by the scan image correction unit, and an image processing unit configured to perform image processing on the image data stored in the memory unit in response to the determination made by the check unit and characteristics required for outputting of the image data.

Abstract: An image processing apparatus includes a spatial filtering unit which applies spatial filtering to input image data to generate filtered image data such that the spatial filtering provides a broader dynamic range for outputs than for inputs, and a high-resolution conversion unit which interpolates the filtered image data in a first direction by an average of values of two pixels adjacent in the first direction, in a second direction perpendicular to the first direction by an average of values of two pixels adjacent in the second direction, and in a direction diagonal to the first and second directions by an average of four pixels surrounding a pixel of interest, thereby converting the filtered image data into high-resolution image data.

Abstract: The image processing apparatus is provided with a plural memory controllers, each of which controls a RAM. The memory controllers are connected to an SIMD type arithmetic processing section. A control register is connected to the memory controllers. The control register controls transfer of image data between the RAMs and the SIMD type arithmetic processing section.

Abstract: When image data is determined to be reused, a first image-data processing unit performs a first image processing on the image data, a memory device accumulates the image data on which the first image processing is performed, and a second image-data processing unit performs second image processing on the image data accumulated in the memory device. When the image data is determined not to be reused, the first image-data processing unit performs a first image processing, and the second image-data processing unit performs a second image processing on the image data on which the first image processing is performed.

Abstract: A disclosed image forming apparatus includes an image scanning unit configured to generate image data by converting light reflected from an optically scanned printed page into electrical signals; an interface configured to receive image data from an external apparatus; an expansion bus to which the image scanning unit and the interface are connected; a bus control unit configured to control the expansion bus; an image data storage unit configured to store the image data; at least one image processing unit connected to the expansion bus and configured to perform an image processing operation on the image data; a task management unit configured to send an image processing request to the image processing unit; and an image writing unit connected to the expansion bus and configured to print the image data on which the image processing operation has been performed by the image processing unit.

Abstract: In an image processing apparatus including an image reading unit that obtains electronic image data obtained by reading a document, an image writing unit that prints the image data on transfer paper, a memory unit that stores the image data and auxiliary data of the image data, an external I/F unit that transmits and receives the image data to and from an external unit, a first image data processing unit that processes the image data from the image reading unit, a second image data processing unit that processes the image data from the memory unit, and a bus control unit that connects each of the units, a recognition function through image processing and an image processing function based on the recognition result are independently provided.

Abstract: An image processing apparatus includes an image reading unit that reads an image of a surface of a document to acquire image data and a document type setting unit that receives input of setting of a document type of the document. A color-correction-constant changing unit changes a color correction constant to be used in an image processing based on the set document type. An image-data converting unit converts the image data to an image data in a first color space that is a common color space by applying the image processing based on the color correction constant to the image data.

Abstract: An image processing method that stores image data in a storage unit is disclosed. The image data and data related to processing performed on the image data are stored in correlation with each other in the storage unit.