Abstract: According to an aspect of the disclosure, a portable handheld device includes a CPU for processing a script; a multi-core processor for processing an image, and a DRAM for storing image data. The CPU and the multi-core processor are integrated on one chip and share a data cache provided on the same chip. The DRAM is provided external to the chip. The portable handheld device further comprises a DRAM interface for receiving and sending data to the DRAM, the DRAM interface being provided on the same chip and sharing the data cache with the CPU and the multi-core processor.

Abstract: An image reading device has a light source section that includes light sources of a plurality of colors and that emits light in one color during a period for reading one line and switches the color of the light source lit cyclically from one line to the next, an image sensor that reads one color per line, a data generation section that generates image data of the light source color which is the color of the light source lit during reading, a memory that stores a plurality of lines' worth of the image data, and a remaining color component generation section that determines the pixel value of a color component other than the light source color based on the pixel values of pixels around a pixel of interest.

Abstract: A multifunction peripheral (MFP) and a method for restricting the use of the same. A user ID and a password are registered according to a user's input, accessible functions are set according to the registered user, and even the authenticated user is restricted to using only the set functions. Therefore, use of the MFP and specific functions of the MFP can be restricted according to the particular registered user.

Abstract: A camera system including: a substrate having a coding pattern printed thereon and a handheld digital camera device. The camera device includes: a digital camera unit having a first image sensor for capturing images and a color display for displaying captured images to a user; an integral processor configured for: controlling operation of the first image sensor and color display; decoding an imaged coding pattern printed on a substrate, the printed coding pattern employing Reed-Solomon encoding; and performing an action in the handheld digital camera device based on the decoded coding pattern. The decoding includes the steps of: detecting target structures defining the extent of the data area; determining the data area using the detected target structures; and Reed-Solomon decoding the coding pattern contained in the determined data area.

Abstract: An image forming apparatus includes an exposing section, a pulse generating section, a frequency storing section, an emission control section, a smoothing section, and a driving-current generating section. The pulse generating section generates a periodic pulse signal indicating light amount of light beam emitted by a light source of the exposing section. The frequency storing section stores in advance a plurality of frequencies of the pulse signal. The emission control section selects, in the rendering of each main scanning line, any one of the plurality of frequencies and instructs the pulse generating section to generate the pulse signal having the selected frequency. The smoothing section smoothes the pulse signal generated by the pulse generating section according to the instruction of the emission control section and generates analog signal. The driving-current generating section generates driving current for the light source of the exposing section on the basis of the analog signal.

Abstract: According to an embodiment, an image scanning device includes: a light source unit that emits light onto an original to be scanned; a photoelectric conversion unit that converts light from the original to an electric signal; a converting unit that converts the electric signal from the photoelectric conversion unit into digital image data; and a black correcting unit that performs black correction by correcting pixel-by-pixel black levels of pixels contained in pre-scanning digital image data obtained before the original is scanned based on a ratio of a dark-current black level of a pixel contained in ongoing-scanning digital image data obtained during scanning of the original to a dark-current black level of the pixel contained in the pre-scanning digital image data, and subtracting the corrected pixel-by-pixel black levels from the ongoing-scanning digital image data.

Abstract: An image reading device has a light source and an image sensor configured to transfer an electric charge accumulated on an opto-electric conversion element to a shift register through a shift gate. A reading controller configured to control image reading inserts a dummy interval into a shift period for which the electric charge is transferred from the opto-electric conversion element so as to shift timing to start sensor reading on every line and to arrange peak positions of noise included in a read image differ from one another on every line.

Abstract: An image processing apparatus includes an achromatization determination portion, an achromatization processing portion, and a line designation portion. If a black pixel is present within a predetermined peripheral range from a target pixel in a sub-scanning direction, the achromatization determination portion determines whether to achromatize the target pixel, on the basis of an attribute of a background determination pixel present in an opposite direction from the target pixel with respect to the black pixel and within a range of a predetermined number of pixels from the black pixel. If no black pixel is present within the predetermined peripheral range from the target pixel in the sub-scanning direction, the achromatization determination portion determines not to achromatize the target pixel.

Abstract: An image processing apparatus scans an original document, coverts the original document into image data, creates an electronic file based on the image data, records a scanned mark on the scanned original document, and confirms whether the scanned mark is recorded. The scanned mark includes ID information assigned to the image processing apparatus. The electronic file is created when the scanned mark is not recorded on the original document and when the scanned mark including the ID information is recorded on the original document. The electronic file is not created when a scanned mark other than the scanned mark including the ID information assigned to the image processing apparatus is recorded on the original document.

Abstract: Disclosed is an image forming system in which a paper sheet processing is accurately implemented without being influenced by a shrinkage of the paper sheet. The system includes a paper sheet feeding section, an image processing section, an image forming section, a paper sheet processing section and a control section. The control section accepts a paper sheet reference position designated at a position within the paper sheet and a designated distance designated as a distance from the paper sheet reference position to the paper-sheet processing implementation position, to control the paper sheet feeding operation so as to make the apparatus reference position and the paper sheet reference position coincide with each other, and further, controls the image processing section to set an rotation angle of the image at a value that makes a paper-sheet conveyance direction, an image forming direction and a paper sheet processing direction, coincide with each other.

Abstract: An image processing apparatus configured to form an image on a recording medium using a light emitting unit including a plurality of light emitting elements includes a determination unit configured to determine a referential position of a threshold matrix corresponding to input image data based on a usage situation of each of the plurality of light emitting elements, for each processing target block, and a quantization unit configured to compare the threshold matrix determined by the determination unit with the input image data to quantize the input image data.

Abstract: An optical scanning apparatus, including: a light source unit; a deflection unit; an incident optical system; and an imaging optical system, wherein at least one optical surface of a plurality of imaging lenses included in an imaging optical system has a non-circular shape in a sub-scanning section perpendicular to a main scanning direction, and a non-circular amount of the non-circular shape changes along the main scanning direction, and wherein the followings are satisfied: ds(Y=0)<0; and ds(Y=Ymax)>0, where ds(Y=0) and ds(Y=Ymax) respectively represent a paraxial field curvature at a center position in a sub-scanning direction perpendicular to the main scanning direction and a paraxial field curvature in the sub-scanning direction at a maximum image height in an effective scanning range of the surface to be scanned by the beam from the light source unit in the main scanning direction, among field curvatures at a center position in the effective scanning range.

Abstract: A color measuring device include an illuminating unit configured to illuminate an image-capturing range; an image capturing unit configured to capture an image of the image-capturing range containing a patch and an object; an extracting unit configured to extract image data of a surrounding region in a predetermined color from the image data output by the image capturing unit; an interpolating unit configured to interpolate at least one target region that is at least one of regions of the patch and the object based on the image data of the surrounding region; a storage unit configured to store therein, as correction data, interporting data that is interporated; a correcting unit configured to correct the image data output by the image capturing unit by using the correction data; and a calculating unit configured to calculate a colorimetric value of the object based on the corrected image data.

Abstract: An image capture system including a platen for receiving a media sheet bearing an image to be captured; an illumination system for illuminating the media sheet; a mirror disposed in optical communication with the platen, for reflecting light from the illumination system reflected from the media sheet; and an optical sensor for receiving the light reflected by the mirror. The interrelationship between the platen, mirror and optical sensor is such that a location of a top edge of the mirror's primary reflection projected onto the platen is lower than a location of a bottom edge of the image's secondary reflection projected onto the platen. In this way, the image captured by the optical sensor is free of secondary reflections.

Abstract: An image reader includes a reading unit that reads an image; a detection unit that detects marks from the read image read by the reading unit; a creation unit that creates a hiding image, which hides a region including the marks, on the basis of the marks detected by the detection unit; and a combining unit that combines the read image and the hiding image to create an electronic document.

Abstract: An image reading apparatus includes: a light amount adjustment portion which performs light amount adjustment on a light source such that the maximum value of the analog output of an image sensor does not exceed the upper limit value of an input voltage range of an A/D conversion portion but approaches the upper limit value; a temperature sensor which measures a temperature; and a storage portion which stores a temperature at the time of the light amount adjustment. When an absolute value of a temperature difference between a temperature stored in the storage portion and the current temperature is less than a threshold value, the light amount adjustment portion does not perform the light amount adjustment whereas when the absolute value is equal to or more than the threshold value, the light amount adjustment portion performs the light amount adjustment.

Abstract: The object of the present invention is to provide a light scanning apparatus of a simple arrangement which can reduce print misregistration of respective beams in a main scanning direction in an image region even when an inexpensive imaging optical unit which forms a spot image on the image region of a surface to be scanned, and can form a high-resolution image, and an image forming apparatus using the same.

Abstract: A document creating apparatus includes a partial region setting unit, an output control information generating unit, and a printing unit. The partial region setting unit sets partial regions for document data. The output control information generating unit generates output control information regarding the partial regions set by the partial region setting unit. The printing unit prints, onto a printing medium, the document data, position information regarding the partial regions set by the partial region setting unit, and the output control information generated by the output control information generating unit.

Abstract: A system and method are provided for processing scanned documents by digitizing the scanned documents, converting the digitized documents to a JPEG2000 file, encoding content information corresponding to the digitized documents using spatial capabilities of JPEG2000's Region of Interest feature, and creating an image file having the digitized documents and the region of interest information for forwarding to a computing device, such as a handheld computing device, for display. The system and method are especially useful in Digital Mail applications which entail digitizing and delivering mail documents to recipients.

Abstract: A portable handheld device includes an image sensor for capturing an image; an orientation sensor for determining a rotation of the image sensor; and a system-on-chip processor having integrated on a common wafer a CPU for processing a script language, a multi-core processor for processing an image captured by the image sensor, and a common synchronization register. The multi-core processor includes multiple processing units connected in parallel by a crossbar switch. Each processing unit stores one or more synchronization bits for identifying which of the other processing units are functioning as a single process therewith. The common synchronization register contains therein synchronization bits from each of the processing units.

Abstract: According to an aspect of the disclosure, a portable handheld device includes a CPU for processing a script; a multi-core processor for processing an image, and a DRAM for storing image data. The CPU and the multi-core processor are integrated on one chip and share a data cache provided on the same chip. The DRAM is provided external to the chip. The portable handheld device further comprises a DRAM interface for receiving and sending data to the DRAM, the DRAM interface being provided on the same chip and sharing the data cache with the CPU and the multi-core processor.

Abstract: An image processing apparatus configured to transmit image data to a printing unit for printing an image on a sheet, includes a first obtaining unit configured to obtain information representing displacement of an image in a sub-scanning direction, a second obtaining unit configured to obtain information representing displacement of an image to be printed on a sheet in a sub-scanning direction with respect to the sheet, a correction unit configured to, based on a plurality of correction amounts determined from information obtained by the first obtaining unit and information obtained by the second obtaining unit, at each of a plurality of positions in a main-scanning direction, perform correction for shifting the image data in the sub-scanning direction, and a transmission unit configured to transmit the corrected image data to the printing unit.

Abstract: An image reading apparatus is disclosed. The image reading apparatus includes an automatic document feeding unit that transports a document in a predetermined direction while the document floats above a platen glass member and a light source disposed below the platen glass member that irradiates a portion on the document at a predetermined reading location such that reflected light from the portion on the document is converted into image data and a floating distance between the document and the platen glass member is detected to set a value of an image parameter for correcting the image data for the document, based on the detected floating distance between the document and the platen glass member.

Abstract: Disclosed is an image reading apparatus including: an image reading section to read an image; a storage section to store the image; and a control section to detect whether or not the image reading section is in a state of pausing reading of the image, to determine transfer speed of the image to an external device based on a detected result, and to transfer the image to an external device at a determined transfer speed.

Abstract: A printing control device includes a web page data acquiring portion configured to acquire web page data of a prescribed web page from the web server and a display configured to display the prescribed web page. The printing control device further includes an extraction portion configured to extract data for constituting a duplication object. The printing control device still further includes a print data creation portion configured to create print data for forming at least two duplicated images of the duplication object based on the extracted data. Moreover, the printing control device includes a printing instruction portion configured to instruct the printing unit to form an image on the recording medium based on the created print data.

Abstract: A handheld scanner incorporates vision software to allow the handheld scanner to be trained for OCR. The handheld scanner can include a user interface to allow a user to associate an image of a mark with electronic data for the mark. The user interface, along with a range finder, can also be used to influence variables that affect the quality of an image scan, thereby improving the quality of results for the image scan and/or decode process.

Abstract: A printing system includes the following elements. An image forming unit forms an image. An image reader reads an image. A first color converter creates second image data. A second color converter creates fourth image data. A determining unit determines whether a pixel value of each of pixels in the first image data or the second image data is located inside or outside an input color gamut that is readable by the image reader. A correction unit corrects pixels located at the same position as a pixel having a pixel value located outside the input color gamut. An inspection unit performs inspection to find a defect of an image. The correction unit performs correction on the pixels located at the same position as a pixel having a pixel value located outside the input color gamut so that the inspection unit does not detect a difference between the corrected pixels.

Abstract: A image reading apparatus includes a first conveyance unit which is configured to convey a document to a reading position of a platen while pinching the document, a second conveyance unit arranged on a downstream of the platen and configured to convey the document, an upstream rotary member arranged between the first conveyance unit and the second conveyance unit and configured to come into contact with the document at a position on an upstream of the reading position, and a downstream rotary member arranged between the first conveyance unit and the second conveyance unit and configured to come into contact with the document at a position on a downstream of the reading position, wherein a gap between the platen and the upstream rotary member is set smaller than a gap between the platen and the downstream rotary member.

Abstract: The purpose of this invention is to facilitate visually grasping the progress of reading during reading of a plurality of images. To accomplish this, when placing a plurality of images on an original table and scanning and reading them, display is made to allow a user to grasp which image on a preview screen corresponds to the image under scan. In addition, after the start of main scan, the user can designate an image on the preview screen and cancel scan of the image and change the scan sequence.

Abstract: There is provided a method for properly placing a document on a reference position of a document positioning plate. The method for controlling an image reading apparatus for reading a document placed on a document positioning plate includes acquiring an image of an image-readable region including the document positioning plate; detecting a document to be read in a vicinity of a reference position for reading the document which is placed on the document positioning plate, and controlling a display unit to display an image of a first region of the document positioning plate in a case where the document is not detected, and controlling the display unit to display an image of a second region in the vicinity of the reference position in a magnification that is greater than a magnification for displaying the image of the first region in a case where the document is detected.

Abstract: Standard positional information is acquired about a plurality of regions of interest to be quantified, which are designated in a standard image region. An image magnification which represents a size ratio of measurement image region represented by the image data to the standard image region is calculated. Positional information of a plurality of regions of interest depending on the measurement image region is calculated based on the acquired standard positional information and the calculated image magnification.

Abstract: A sensing device including: a sensing section having an illuminating section that illuminates light and a light-receiving section that receives reflected light of light illuminated from the illuminating section, the sensing section sensing an image on a recording medium; a housing that accommodates the illuminating section; a covering member covering the housing, that is freely installed at and removed from the housing, having a transmitting member through which the light from the illuminating section is transmitted; and a setting section disposed at an opposite side to a housing side with respect to the covering member, the setting section being freely installed at and removed from the housing, and having a setting surface that sets a position at which the recording medium reflects light, wherein, at a positioning portion of the setting section, the covering member is positioned at least in a direction perpendicular to the setting surface, is provided.

Abstract: A scanner connected to an external device through a network is provided. The scanner includes, a reading section that reads an image recorded on a sheet so as to generate image data, an image data group supply section that, in a case where a plurality of images recorded on a plurality of sheets are read by the reading section, sequentially generates an image data group every time a part of the plurality of sheets is read by the reading section, and sequentially supplies the generated image data group to the external device, a joint information generation section that generates joint information used to join two or more of the image data groups, the two or more of the image data groups representing the plurality of images; and a joint information supply section that supplies the joint information to the external device.

Abstract: An image processing apparatus extracts a line segment included in an image, and includes a density gradient direction determining section that determines a direction, in which density changes, of each processing unit composed of a predetermined number of pixels of an image, and an line segment extracting section that regards a couple of processing units whose density gradient direction are opposite each other as a processing unit pair and extracts a processing unit group including a plurality of processing unit pairs allocated in a row in a direction perpendicular to the density gradient directions as a line segment.

Abstract: An image processing apparatus includes an image data acquiring portion, an image determining portion, and an image data converting portion. The image data acquiring portion is configured to acquire first image data representing a color image. The image determining portion is configured to determine whether or not the image represented by the first image data is an image mainly composed of black characters. The image data converting portion is configured to convert the first image data to second image data by converting the first image data to binary image data when the image determining portion determines that the image represented by the first image data is an image mainly composed of black characters.

Abstract: In an image processing device, the control device identifies a background color of the image. The control device classifies each of the pixels into either one of a background color pixel group and a non-background color pixel group. The control device determines whether a partial region of the image having the non-background pixel is a chromatic color region or an achromatic color region, without using pixel values corresponding to pixels classified into the background color pixel group. The control device determines that the image is chromatic color image when it is determined that the partial region is the chromatic color region. The control device determines that the image is achromatic color image when it is determined that the partial region is the achromatic color region.

Abstract: A wireless scanning device includes a scanning module adapted to scan a subject, a processor coupled to the scanning module, and a wireless communication module coupled to the processor for wireless communication with a user device. The processor is operable to control the scanning module to start scanning the subject according to a scan command from the user device. The scanning module is operable to generate scan data segments during scanning. The processor is further operable, for each scan data segment, to generate and transmit a real-time display data segment for real-time display and a compressed data segment for storage to the user device.

Abstract: There is provided a decoloring device including a decoloring unit, a first sheet conveying unit, a second sheet conveying unit, a reversing and conveying unit, a manual feed tray, and a manual discharge tray. The reversing and conveying unit is disposed adjacent to an outer wall of the decoloring device in relation to the first sheet conveying unit, and conveys once again the sheet, which is temporarily brought into the second sheet conveying unit after being decolored by the decoloring unit and is switch-back conveyed, to the first sheet conveying unit. The manual feed tray is provided at an outer wall side of the decoloring device adjacent to the reversing and conveying unit. The manual discharge tray is provided at a position of the outer wall side of the decoloring device adjacent to the reversing and conveying unit.

Abstract: An image scanner includes: a light source that irradiates, with light, a recording medium on which an image is formed; a light receiving portion that receives light reflected by the recording medium; a reflecting portion that has plural reflecting surfaces respectively disposed at positions having different distances in an optical axis direction from the light receiving portion; and a processing portion that generates information on the image formed on the recording medium and information for measuring illumination depth of the light source, by use of the light received by the light receiving portion.

Abstract: According to one embodiment, first and second branch paths of a decoloring apparatus are formed downstream in a sheet conveying direction of a reading section in a conveying path. A diverting section is provided at a branch point of the first and second branch paths in the conveying path. A control section determines on the basis of image data whether decoloring processing should be applied to a sheet, diverts, if determining that the decoloring processing should be applied to the sheet, the sheet to the first branch path with the diverting section, and diverts, if determining that the decoloring processing should not be applied to the sheet, the sheet to the second branch path with the diverting section. A decoloring section is provided between the reading section and the branch point in the conveying path and heats the sheet to decolor an image formed with a decolorable color material.

Abstract: Methods and systems feed print media from a print media storage device to a scanner positioned along a paper path, and feed the print media along the paper path from the scanner to a marking device positioned along the paper path. The scanner is positioned between the print media storage device and the marking device along the media path. The scanner scans the print media as the print media travels along the paper path before the print media reaches the marking device. The methods and systems control actions of the marking device based upon patterns of markings detected on the print media by the scanner using a processor operatively connected to the scanner and the marking engine, and print markings on the print media using the marking device.

Abstract: The present disclosure relates to a technique for, in an image scanner and an image forming apparatus equipped with the image scanner, detecting that dew condensation occurs on a transparent member for placing a document thereon.

Abstract: An optical scanning apparatus includes an optical source, a deflection part deflecting an optical beam emitted from the optical source, plural optical elements directing or focusing the optical beam deflected by the deflection part to corresponding one of plural image carrying bodies, a holding member holding the plural optical elements, wherein the optical beam scans the respective image carrying bodies in a main scanning direction, and wherein the holding member includes a pair of holding member elements disposed so as to face each other in the main scanning direction, and the plural optical elements are held between the pair of holding member elements in a bridged state.

Abstract: An image forming apparatus comprises a image reader unit and a controller. The controller is configured to i) execute a detection operation of calculating a correction coefficient based on reference image data obtained by applying the light from a light source to a reference unit and receiving, by a photoelectric conversion unit, the reflected light from the reference unit to perform photoelectric conversion of the received light to the reference image data, ii) correct image density variations of the image data caused by orientation variations of the light source and pixel sensitivity of the photoelectric conversion unit based on the correction coefficient, iii) form an output image to be printed on output paper in accordance with an arrangement manner, based on the corrected image data, and iv) determine an interval at which the detection operation is executed, in accordance with a characteristic of the light source and the arrangement manner.

Abstract: A scanner apparatus comprises a transparent platen having a top side and a bottom side opposite the top side, and an optical sensor unit positioned adjacent the bottom side of the transparent platen. The optical sensor unit scans an image of at least one item placed on the top side of the platen to produce an electronic scanned image of the item. Further, a weight sensor unit is connected to the transparent platen. The weight sensor unit senses the weight of the item placed on the top side of the platen to produce an item weight. A processor is operatively connected to the optical sensor unit and to the weight sensor unit. The processor combines the electronic scanned image of the item and the item weight to produce image and weight data, and the processor outputs the image and weight data.

Abstract: An image processing apparatus includes: a memory unit; a read-out image processing unit that performs read-out image processing on input image data and stores the image data on which the image processing has been performed in the memory unit; an output attribute determining unit that performs determination image processing on the image data stored in the memory unit and determines an attribute of the image data on which the determination image processing has been performed; an output image processing unit that performs output image processing on the image data according to the determined attribute; and an output unit that outputs the image data on which the output image processing has been performed by the output image processing unit.

Abstract: A method of managing files in a Web-based Distributed Authoring and Versioning (WebDAV)-embedded image forming apparatus and an image forming apparatus that performs the method. The method includes receiving a connection request from the WebDAV client to manage at least one of a file and a directory stored in a storage unit of the image forming apparatus; receiving login information from the WebDAV client, authenticating the received login information of the WebDAV client, receiving a WebDAV command to control the at least one of the file and the directory from the authenticated WebDAV client, and executing a process with respect to the at least one of the file and the directory with reference to the received WebDAV command.

Abstract: An image processing apparatus connected via a network to a plurality of image forming apparatuses that implement a first gradation correction, or a second gradation correction. The image processing apparatus includes a selection unit configured to select the first gradation correction or second gradation correction, for each of the connected plurality of image forming apparatuses, an instruction unit configured to send an instruction to an image forming apparatus for which a first gradation correction has been selected by the selection unit, a reading unit configured to read out patch patterns that have been printed by the image forming apparatus for which the second gradation correction has been selected, and a transmission unit configured to transmit data for correcting readout values of the patch patterns to the image forming apparatus for which the second gradation correction has been selected.

Abstract: An image reading apparatus that reads images of document images having different gloss levels with a reproducibility suitable for uses includes a data processor to irradiate a document image with light from a regular reflection light source and a diffuse reflection light source, and to generate image data based on a regular reflection output value and a diffuse reflection output value obtained from a photoelectric converter.

Abstract: A method, programmed medium and system are disclosed which provide for an in-line scanner used to dynamically scan a document or image, real-time as it is being printed within a printer unit and before the printed document exits the printer. The scanned image is compared to a stored electronically-generated image of the file being printed. When the comparison is determinative that there is a printing problem, the printing operation may be stopped quickly before the partially printed document or image has exited the printer. An error message may then be displayed, and the user is enabled to take appropriate action. A resume function enables a user to resume a print job at exactly the place where it had left off before detecting a print problem. In another embodiment, when the system detects a problem with a print job, the entire print job of the remainder of the print job is sent from the faulting printer to another printer where either the remainder of the print job or the entire print job is completed.