Class / Patent application number | Description | Number of patent applications / Date published |
358488000 | Document position detection | 80 |
20080212150 | Digital Document Capture and Storage System - The invention relates to a digital document acquisition and storage system, comprising a stand with a support arm hinged thereto and a digital camera, which has an image acquisition area that can be displayed by means of an optical positioning aid and is connected to an electronic data processing device. The aim of the invention is to develop a digital document acquisition and storage system with which it is easy to precisely align the document during reading for electronic acquisition, resulting in a file which gives a qualitative representation of the document which largely matches that of the original. The aim is achieved using a system in which the digital camera has a resolution of at least two million pixels and the optical positioning aid is a single laser which, using a lens, displays a border of the image acquisition area with four guide edges. | 09-04-2008 |
20080225352 | Image Reading Device - An image reading device includes: a document placing table including a first area and a second area; an image reading unit which reads an image on a document placed on the document placing table to obtain image data; a first detector configured to detect the document on the first area; and a controller including: a determining unit which determines that the document is placed on the first area if the first detector detects the document and determines that the document is placed on the second area if the first detector does not detect the document; and a first correction unit which corrects the image data obtained by the image reading unit based on a result of the determination by the determining unit. | 09-18-2008 |
20080225353 | IMAGE READING APPARATUS AND IMAGE READING METHOD - An image reading apparatus includes a first image generation unit configured to scan a document set with one edge aligned with a reference position of a document positioning plate to generate a first image, a second image generation unit configured to scan the document set with a second edge, side opposite to the first edge, aligned with the reference position of the document positioning plate to generate a second image, a detection unit configured to perform matching processing to match image data of the first image with image data of the second image to detect an offset between the first image and the second image, and a determination unit configured to determine a size of the document based on the offset detected by the detection unit. The second edge may be opposite the first. Alternatively, corners may be used instead of edges. | 09-18-2008 |
20080231919 | Image Scanning Apparatus - An image scanning apparatus comprises a platen surface which is provided at an upper part of a main body of the image scanning apparatus so that an original sheet to be scanned is placed thereon; and an original sheet support portion which is provided to support an original sheet having a larger size than the platen surface. The original sheet support portion is provided to protrude laterally from the main body in a position under the platen surface to be able to support an end portion of a protruding portion of the original sheet protruding outside from the platen surface. | 09-25-2008 |
20080266620 | SCANNER CAPABLE OF POSITIONING A SCAN START POSITION AND RELATED METHOD - A scanner includes a housing, a transparent platen disposed on the housing for positioning a document, and a calibration pattern formed on a side of the transparent platen. The calibration pattern includes an arc having a first point and a second point. The scanner further includes an optical engine installed inside the housing for scanning the document and the calibration pattern with movement in a first direction, and a control module installed inside the housing for controlling the optical engine to move to a scan start position according to the first point and the second point of the calibration pattern scanned by the optical engine and a radius of curvature of the arc. | 10-30-2008 |
20080316549 | Method For Scanning And Processing A Document With An Imaging Apparatus - A method for scanning and processing a document with an imaging apparatus, the imaging apparatus having a scanner with a scan bar, includes operating the scanner to obtain preliminary image data; performing at least one of translating the document across the scan bar and translating the scan bar across the document while operating the scanner; detecting an edge of the document based on a change in the preliminary image data; scanning the document to generate document image data based on the detecting the edge; and processing the document image data based on detecting the edge to generate a scanned image. | 12-25-2008 |
20090002779 | Printing support system and printing support method - Disclosed is a printing support system that includes an acquisition unit which acquires image data by scanning a medium having a fold position as a recognizer at a position which corresponds to a fold position on a print out form, a recognition unit which recognizes the recognizer from the image data, an identification unit which identifies a position on the medium, the position corresponding to the fold position on the print out form on the basis of the recognized recognizer, and a generation unit which generates printing control information which specifies the print out form on the basis of the recognized position. | 01-01-2009 |
20090009825 | IMAGE-READING PROCESSING APPARATUS, IMAGE READING APPARATUS, AND IMAGE-READING PROCESSING METHOD - An image-reading processing apparatus is connected to an image reading apparatus being capable of reading both surface images of a document, including a storage unit and a control unit, wherein the control unit includes a double-face reading control unit that controls the image reading apparatus to scan both the surfaces of the document, a coordinate acquiring unit that acquires a coordinate group of a position serving as an edge candidate of the document based on a grayscale value in image data of each of the surfaces read by the double-face reading control unit, a straight line detecting unit that detects a straight line group corresponding to an edge portion of the document based on the coordinate group acquired by the coordinate acquiring unit, a straight line inverting unit that inverts the straight line group detected by the straight line detecting unit, and a straight line selecting unit that determines the straight line group suitable for the edge portion from the document in the straight line group detected by the straight line detecting unit on one surface and the straight line group inverted by the straight line inverting unit on the other surface to select the straight line group. | 01-08-2009 |
20090015887 | IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING THE SAME - A sheet of a document is scanned, character objects are extracted from a scan image, the extracted character objects are divided line by line, and the direction of the document is set on the basis of a blank percentage determined according to start and end positions of lines. If the direction of the document is different from that of a previous document, an image processing unit rotates the scan image. | 01-15-2009 |
20090021803 | IMAGE READING APPARATUS, IMAGE-READING PROCESSING APPARATUS, IMAGE READING METHOD, AND COMPUTER PROGRAM PRODUCT - An image reading apparatus includes a flatbed image reading unit, an ADF image reading unit, a storage unit, and a control unit, wherein the control unit includes a flatbed image-reading control unit that controls the flatbed image reading unit to read an image of a read-condition setting sheet, and stores the image of the read-condition setting sheet in the storage unit, a read-condition determining unit that determines a read condition from the image of the read-condition setting sheet read by the flatbed image-reading control unit, a read-condition setting unit that sets a read condition for a document to be read by the ADF image reading unit according to the read condition determined by the read-condition determining unit, and an ADF image-reading control unit that controls the ADF image reading unit to read an image of the document according to the read condition set by the read-condition setting unit, and stores the image of the document in the storage unit. | 01-22-2009 |
20090027740 | READ DEVICE, IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING THE IMAGE FORMING APPARATUS - A transfer member to transfer a document at different transfer speeds according to transfer sections of a document transfer path includes a first transfer roller and a second transfer roller, both of which are respectively mounted at upstream and downstream sides of the document transfer path, and a driving unit to drive the first and second transfer rollers such that the speed of the second transfer roller is higher than that of the first transfer roller under the control of a control unit is further included. The control unit reads an image pattern on a test document using a read device, acquires speed compensation information to compensate for a transfer speed of the transfer member, and controls an operation of the transfer member according to the speed compensation information at the time of transferring the document. | 01-29-2009 |
20090040569 | METHOD AND SYSTEM FOR ADJUSTING SCANNED IMAGES - A system for adjusting scanned images for printing. In response to scanning one or more objects, one or more bounding boxes are calculated for the scanned image. The scanned image is cropped to a size of the one or more bounding boxes. The cropped image is rotated to align with a scanner bed and other cropped images if necessary. The cropped image is centered. It is determined if more scanned image data can fit within a selected page size. In response to determining that more scanned image data can fit within the selected page size, it is determined if more objects need to be scanned in a print job. In response to determining that more objects do not need to be scanned in the print job, a print layout is determined for the print job. Then, the print job is printed on the selected page size. | 02-12-2009 |
20090051983 | IMAGE SCANNING DEVICE - An image scanning device of the present invention includes a platen, an image scanning part that scans an image on the manuscript, a light source that irradiates light from the back side of the platen, a platen cover that is allowed to be positioned in a closed state or in an opened state, a light receiving part that is configured to receive light from the manuscript scanning area on the back side of the platen, a range obtaining part that is configured to obtain range between the amount of received light of the light receiving part in the opened state of the platen cover and the amount of received light of the light receiving part in the closed state of the platen cover, and a manuscript detecting part that is configured to detect existence of the manuscript in a manuscript scanning area of the platen based on the range. | 02-26-2009 |
20090059318 | PEN-SHAPED SCANNING DEVICE HAVING A REGION IDENTITY SENSOR - Provided is a pen-shaped scanning device for scanning a surface having coded data disposed thereon which is substantially invisible to the average unaided human eye. The device is configured to determine at least two dimensions of a rotational orientation of the sensing device relative to the surface, the coded data being indicative of at least two dimensions of the rotational orientation of the sensing device. The device includes an orientation sensor configured to generate, when positioned or moved relative to the surface, using at least some of the coded data, orientation data indicative of the at least two dimensions of the orientation of the sensing device relative to the surface. The device also includes a transmitter for transmitting the orientation data to a computer system, as well as a region identity sensor configured to sense, when the sensing device is positioned or moved relative to a region of the surface, and using at least some of the coded data, region identity data indicative of an identity of the region, the transmitter being configured to transmit the region identity data to the computer system. | 03-05-2009 |
20090086286 | IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - During a document reading operation in a double-sided reverse-reading mode, a controller controls a document feeding section to convey a document at a predetermined speed which is faster than a predetermined document reading speed at which a CIS can read the document when the document passes through the document reading position of the CIS. When the document passes through the document reading position of the CCD, the controller controls the document feeding section to convey the document at a predetermined document reading speed at which the CCD can read the document. | 04-02-2009 |
20090097079 | Image reading device, recording medium storing image reading program, image reading method and data signal - An image reading device, which includes: an original document reading section that emits light to an original document and in the vicinity of the original document, receives reflected light and outputs image signals; an original document positioning guide that has at least a first color and a second color on a side receiving the light emitted from the original document reading section, and is used for settling a position of the original document; a detection section that monitors a first image signal in a scanning direction from the first color to the original document and a second image signal in a scanning direction from the second color to the original document, and detects a position for extracting image signals corresponding to the light reflected on the original document on the basis of a change occurring in either of the first image signal or the second image signal. | 04-16-2009 |
20090109502 | IMAGE PROCESSING APPARATUS, IMAGE SCANNING APPARATUS, AND IMAGE PROCESSING METHOD - In an image processing apparatus, an inclination detecting unit acquires, with respect to each line of image data, positions of a left edge pixel and a right edge pixel that are positioned at a boundary between an original document and a background. A feature point position is acquired based on features of the positions of the edge pixels of a plurality of lines. Based on a feature of the position of at least one of the left edge pixel and the right edge pixel of the line that includes the feature point position or of the line that is near the former line, a status regarding a direction of the document is acquired. Furthermore, the acquired statuses are counted, the most counted status is determined, two feature points are selected from the feature points having a status that matches the most counted status, and the document inclination is calculated from the two feature point positions. Thereafter, the inclination of the document can be compensated for. | 04-30-2009 |
20090109503 | APPARATUS, METHOD, AND COMPUTER PROGRAM PRODUCT FOR PROCESSING IMAGE - An image processing apparatus includes an address specifying unit, a reading unit, a writing unit, and a shifting unit. The address specifying unit specifies an address in a storage device that stores therein pixel data of an image. The reading unit reads the pixel data from the address by a line pixel amount. The writing unit writes the pixel data in an output storage unit. The shifting unit shifts the address in either one of a first direction along a sub-scanning direction and a second direction opposite to the first direction by a predetermined amount. | 04-30-2009 |
20090147323 | IMAGE ACQUIRING APPARATUS AND IMAGE ACQUIRING METHOD - An image acquiring apparatus and image acquiring method are provided. The image acquiring apparatus includes an image sensor for outputting a plurality of first analog image signals corresponding to a plurality of pixels; an ADC for converting the plurality of first analog image signals to a plurality of digital image signals; a DAC for converting the plurality of digital image signals to a plurality of second analog image signals, wherein each of which has an actual voltage value; a comparing unit for respectively comparing the actual voltage values of the plurality of second analog image signals with a reference voltage value so as to generate a plurality of corresponding comparing results; a counting unit for adjusting a counting value according to each of the comparing results; and a control unit for determining whether to stop a scanning operation of the image acquiring apparatus or not according to the counting value. | 06-11-2009 |
20090168124 | Imaging apparatus having a document planar member with an input operating state - An imaging apparatus includes an image capturing system. A controller is communicatively coupled to the image capturing system. A scanner body has a scanner opening. The image capturing system is located adjacent the scanner opening. A document planar member is positioned across the scanner opening. The document planar member is communicatively coupled to the controller. The document planar member has an input operating state wherein the document planar member receives at least one input from a user input object and supplies the at least one input to the controller for further processing. | 07-02-2009 |
20090180162 | LIVE PREVIEW SCANNING SYSTEM AND METHOD - A scanning system including a scanning module mounted in a body, such that the scanning module scans in a capture zone to capture an archival image of said capture zone as well as one or more non-archival images. One or more image capture modules mounted in the body in fixed relation to the capture zone being operative to capture a stream of the non-archival images in the capture zone. | 07-16-2009 |
20090231639 | Image processor, image processing method, and computer program product - An image processor includes a control unit, wherein the control unit includes an image obtaining unit that obtains an image including a document area corresponding to a document read by an image reader, an edge coordinate detecting unit that detects coordinate values of edge candidate pixels, a tilt calculating unit that calculates a tilt of the document area, or a tilt obtaining unit that obtains the tilt of the document area detected by a predetermined sensor, an edge end coordinate extracting unit that extracts a coordinate value of an edge end candidate pixel, a straight line calculating unit that calculates a straight line corresponding to the edge, and either one or both of a tilt correcting unit that corrects the tilt of the document area by rotating the document area, and an area clipping unit that clips the document area from the image. | 09-17-2009 |
20090262402 | SHOW-THROUGH REDUCTION METHOD AND SYSTEM - A show-through reduction method is disclosed. The method is designed to deal with both light and severe show-through. The method focuses mostly on text documents, with characters possibly appearing in multiple gray levels, although the method can also be extended to color documents. As in the prior art, the front and back pages are processed in pairs. However, no perfect page alignment is assumed here, since we are dealing with real images. Instead, a front and back registration is performed as the first step before the pages are further analyzed. In this method, we are aligning the front page content with its show-through appearing in the back side, and the back page content with its show-through appearing in the front side. Once the two sides are aligned, masks are generated for both sides to differentiate severe show-through and light color content regions. Finally, different TRCs are applied to different regions. The show-through is reduced and the page contents are retained. | 10-22-2009 |
20090273818 | APPARATUS AND METHOD FOR IMAGE PROCESSING AND PROCESSING PROGRAM - Disclosed is an image processing method for processing an image obtained by reading a document plate on which at least one document is placed. The method includes a first detecting step of specifying a first rectangular region including all of objects included in the image to detect the coordinates of each vertex thereof, an identifying step of identifying on each object whether it is a document item, an eliminating step of eliminating the object which is not a document item from the image, a second detecting step of specifying a second rectangular region to detect the coordinates of each vertex thereof, the region including all of the objects after elimination and having a minimum area, a comparing step of comparing the coordinates of the vertices detected in the first and second detecting steps, and a determining step of determining a method of cropping the document based on the comparison result. | 11-05-2009 |
20090279148 | Method Of Determining Rotational Orientation Of Coded Data On Print Medium - A method of determining a first relative rotation of coded data on a print medium to be printed on by a mobile device that has a printer, a first sensor and processing means. The print medium has a substrate defining first and second opposite faces, the first face bearing coded data. The method involves capturing a first image of the coded data when the print medium is at a first position using the first sensor, determining a first relative rotation of the coded data with respect to the print medium from a known physical orientation of the print medium and the first image, using the processing means, capturing a second image of the coded data when the print medium is at a second position using the first sensor, determining a second relative rotation of the coded data with respect to the print medium from a known physical orientation of the print medium and the second image, using the processing means and calculating a third rotation from the first and second rotations using the processing means. The third rotation is a more precise measure of the first relative rotation than the first relative rotation or the second relative rotation. | 11-12-2009 |
20090296169 | Imaging device with adjustable imaging surface - An imaging device has an adjustable imaging surface that can be readily enlarged by a user from a first size to a second size and reduced by the user from the second size to the first size to meet imaging requirements. The imaging device thus permits imaging of larger documents than its desktop footprint would conventionally support. For example, when a user of such an imaging device has a full sheet document that requires flatbed scanning, the user can temporarily enlarge the imaging surface from half sheet size to full sheet size and scan the document. Once the user has scanned the document, the user can reduce the imaging surface from the full sheet size to the half sheet size to reduce the desktop footprint of the imaging device. | 12-03-2009 |
20090303554 | IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS HAVING THE SAME - An image reading apparatus and an image forming apparatus having an original base plate, a conveying unit which separates and conveys a bundle of original sheets sheet by sheet, a first image reading unit which reads image information from the one side of the original sheet, a second image reading unit which reads image information from the other side of the original sheet, and a detecting unit which detects image existence/non-existence information of each original sheet in a state that the bundle of original sheets is mounted on the original base plate, wherein the detecting unit includes an oscillating unit which oscillates an electromagnetic wave of 30 GHz to 100 THz and a receiving unit which receives a reflected wave of the electromagnetic wave reflected on each side of the sheet, thereby detecting the image existence/non-existence information of each original sheet based on the received electromagnetic wave information. | 12-10-2009 |
20100007930 | Authentication Scanner - A system for obtaining a signature from a scan area on the surface of an article comprises: a signature generator that generates the signature from scattered coherent radiation detected from a plurality of points on the surface and includes a scan head comprising a coherent radiation source and photodetectors; a camera for capturing an image of the surface; a comparator that compares the captured image with a reference image to determine the location and orientation of the scan area; and a drive assembly that positions the scan head appropriately for generating a signature from the scan area in response to the determination of the location and orientation of the scan area. | 01-14-2010 |
20100110506 | IMAGE READING APPARATUS, IMAGE FORMING APPARATUS AND METHOD FOR IMAGE READING - An image reading apparatus of the invention includes an auto document feeder to automatically feed an original document along a conveyance path, a first sensor that is provided on the conveyance path and detects a first passage time of the original document, a second sensor that is provided at a position different from a position of the first sensor in a conveyance direction of the original document and also different therefrom in a direction perpendicular to the conveyance direction and detects a second passage time of the original document, and a skew determination section that obtains a skew amount of the original document from a difference between the first passage time detected by the first sensor and the second passage time detected by the second sensor and determines occurrence of a skew of the original document based on the skew amount. | 05-06-2010 |
20100157386 | IMAGE READER AND IMAGE FORMING DEVICE - An image reader includes: an average calculation unit which calculates an average D | 06-24-2010 |
20100157387 | DOCUMENT READER - A document reader includes a housing which includes an opening in a reading surface, an image pickup unit which is disposed in the housing and reads a document via the opening, and a light-transmittable cover which covers the opening and includes a white reference region used in setting a white reference. | 06-24-2010 |
20100157388 | APPARATUS AND METHOD FOR SCANNING AN OBJECT - A method for scanning an object is provided. The method involves placing the object on a scanning platform. The scanner has a plurality of cameras positioned around the object to be scanned. The scanned object can be a foot, among other things, and the scanner is positioned at a predetermined incline so that the foot is evenly supported. A positioning system including at least one sensor is used to determine if the foot is located within a predetermined scanning area. The method can be used to measure foot dimensions for the production of shoe lasts and construction of shoes. The method can be used in a system for selecting shoes that properly fit. | 06-24-2010 |
20100165423 | IMAGE READING APPARATUS - The presence or absence of outside light is individually decided with respect to each of the time of executing AFE adjusted value acquiring processing, the time of executing LED adjusted value acquiring processing and the time of executing black correction data acquiring processing. In the case of deciding that the outside light is present, a parameter in the case of deciding that the outside light is present is modified to a predetermined value or a reacquired value. As a result of this, even when an incident state of outside light changes at the time of acquiring each of the parameters, it can properly be switched whether or not their parameters are replaced with the predetermined value or the reacquired value. | 07-01-2010 |
20100202026 | Systems and methods for interactive semi-automatic document scanning - A semi-automatic system for scanning a document includes an image capture device, such as a digital or video camera, which records a sequence of images while a user waves a document in front of the device. The user can present multiple pages of a document to the image capture device, after which the total sequence of images are processed to identify a clear image of each page from the sequence of images. The system further includes image processing techniques to correct for motion blurring, acceleration and perspective errors. The system is capable of processing any size or shape of document without destroying the organization or format of the original. | 08-12-2010 |
20100225980 | IMAGE PROCESSING DEVICE AND SYSTEM, AND COMPUTER READABLE MEDIUM THEREFOR - An image processing device determines whether a total number of ancillary images based on input data is equal to a total number of document images extracted from acquired image data. When determining that the total number of the ancillary images is different from the total number of the document images, the image processing device makes an adjustment such that the total number of the ancillary images is equal to the total number of the document images. Based on the document images and the ancillary images after the adjustment, the image processing device generates set data each piece of which has a set of a document image and an ancillary image based on ancillary data identified as being associated with the document image. The image processing device outputs the set data generated. | 09-09-2010 |
20100238523 | IMAGE READING APPARATUS AND IMAGE READING METHOD - An image reading apparatus includes: a pointer having an axis extending along an axis line, that indicates a position on a medium; N (N≧3) irradiating units that respectively irradiate light toward an area that includes the position; and a signal generator that generates, from the irradiated light reflected by the medium, a signal representing an image on the medium. | 09-23-2010 |
20100245944 | IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - In regard to a secured original method, an image reading apparatus provided in an image forming apparatus reads a first original guide using an original reading portion and, based on a reading result thereof, changes a reading position of an adjustment sheet in a main scanning direction to enable detection of a difference between a brightness of the first original guide and a brightness of the adjustment sheet. In regard to a moving original method, the image reading apparatus reads a reading member using the original reading portion and, based on a reading result thereof, changes a reading position of an adjustment sheet in a main scanning direction to enable detection of a difference between a brightness of the reading member and a brightness of the adjustment sheet. | 09-30-2010 |
20100271671 | IMAGE COPIER AND IMAGE COPYING METHOD - An image copier according to the invention comprises a scanner for reading an image and a printer for forming an image on sheet, and the scanner includes a document table for positioning an original document from which an image is to be read; a document holding cover holding the original document on the original document table and having a light-emitting element for detecting the size of an original document which emits light when the size of the original document is detected, a light source for irradiating the original document with light when an image on the original document is read, a light-receiving element for image reading which receives reflected light from the original document, a controller for the light-emitting element for detecting the size of an original document which controls the light-emitting element for detecting the thickness of the original document, a specific region determination unit for identifying a specific region based on the numbers of pixels in a main scanning direction and a sub scanning direction of image data, and a background correction unit for performing a process of correcting the background of an image which has been read. In the image copier according to the invention, see-through copying of the bottom side can be suppressed by performing a background correction process after an image is read without blocking a sensor hole of a sensor for detecting the size of the original document from light. | 10-28-2010 |
20100296136 | IMAGE FORMING APPARATUS HAVING SCANNING FUNCTION AND SCANNING METHOD THEREOF - An image forming apparatus is capable of scanning a document having a larger size than the flat. For example, it is possible to scan an A3 document using a scanning sensor having a slight larger size than an A4 document, and also it is possible to obtain a high quality of the A3 document image. | 11-25-2010 |
20100296137 | CONTINUOUS SCANNING WITH A HANDHELD SCANNER - A computer peripheral that may operate as a scanner. The scanner captures image frames as it is moved across an object. The image frames are formed into a composite image based on computations in two processes. In a first process, fast track processing determines a coarse position of each of the image frames based on a relative position between each successive image frame and a respective preceding image determine by matching overlapping portions of the image frames. In a second process, fine position adjustments are computed to reduce inconsistencies from determining positions of image frames based on relative positions to multiple prior image frames. Processing of the image frames may allow a scan of an object to be suspended and resumed automatically when a user lifts the scanner, by deleting out of focus image frames and matching subsequent image frames to previously stored image frames. | 11-25-2010 |
20100328734 | IMAGE READING APPARATUS - An image reading apparatus including a sheet conveyance unit that conveys the sheet via a conveyance path; a reading unit, which is movable within a reading area; an image data generation control unit that is configured to control: the reading unit to read the sheet at the reading position while conveying the sheet through the reading position so as to generate an entire image data of the sheet; and generate an entire image data of the sheet; a determination data generation control unit that is configured to: control the reading unit to read the sheet by the image data generation control unit; and generate a partial image data of the sheet including the leading end portion as a determination data; and a determination unit that determines whether or not a state of conveyance of the sheet is normal based on the determination data. | 12-30-2010 |
20100328735 | IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - An image reading apparatus includes a timing predicting unit that predicts a reading-start-timing by detecting a front-end and predicts a reading-end-timing by detecting a back-end, an image reading unit that generates density data, a line density data classification unit, a first, second and third specific density data storage units, a determination unit that determines whether or not a foreign substance is attached to a reading position, and a peak density position specifying unit. | 12-30-2010 |
20110075229 | Image Reader - An image reader includes a loading unit including a first transparent member that has a loading surface on which a document sheet is placed, a reading unit that includes light receiving elements arranged in a first direction under the first transparent member and is configured to move in a second direction parallel to the loading surface and perpendicular to the first direction and to read an image from the document sheet placed on the loading surface by repeating an operation of scanning the document sheet in the first direction with the light receiving elements while moving in the second direction, and a black reference member including a black area that is disposed in a position lower than the loading surface of the first transparent member and higher than the light receiving elements and configured to be read in acquiring black reference data for black level correction. | 03-31-2011 |
20110157662 | Image Reading Apparatus - An image reading apparatus configured to reduce a force required for moving a document cover to an open position is provided. The image reading apparatus includes a document table having a top surface and a reading area and a document cover that is configured to pivot, around an axis extending in a first direction, between a closed position and an open position. The document cover includes a sheet. The top surface has a marginal area which is located outside of a reading area on a side opposite to the axis. The marginal area includes a contact area and a non-contact area which are arranged in the first direction. When the document cover is in the closed position, the top surface in the contact area contacts the sheet, and the top surface in the non-contact area does not contact the sheet. | 06-30-2011 |
20110194160 | IMAGE READING APPARATUS - A position of a leading edge of an original sheet should be accurately detected utilizing a shadow thereof, irrespective of thickness of the original sheet. In a scanner, an image sensor recognizes the shadow of the leading edge of the original sheet projected on a projection screen when a light source emits light to the original sheet being automatically transported on a glass plate. The original sheet is determined to have reached a reading position, when the original sheet is further transported by a predetermined distance after the shadow is recognized. The projection screen is located above the glass plate at a position spaced apart from the image sensor by a predetermined distance, and hence the timing that the shadow of the leading edge of the original sheet is projected on the projection screen is constant irrespective of the thickness of the original sheet. | 08-11-2011 |
20110216379 | IMAGE FORMING APPARATUS, CONTROL METHOD OF IMAGE FORMING APPARATUS AND PROGRAM - In an image forming apparatus for making a position deviation correction, a position deviation amount can be accurately calculated by stabilizing the detection result at position deviation detecting and considering an ideal correction amount and an actual correction amount to make the position deviation correction accurately. A forming unit forms a pattern for position deviation detection without making the position correction for less than one pixel by an image position correcting unit, to a pattern formed in the vicinity of a detection region of a detecting unit, and the position deviation amount is calculated by using a value of a position correction which is not made to the pattern for position deviation detection to be formed. | 09-08-2011 |
20110228356 | Image scan device - Image scan device, comprising a platen, and a carriage, the carriage comprising a scan head, and a support structure arranged to move the scan head with respect to the platen, wherein a resilient element is provided that is arranged to bias the scan head in the direction of the platen, and resilient element fully extends between the platen and the bottom of the carriage, as seen from a direction parallel to the platen. | 09-22-2011 |
20110242620 | IMAGE READING APPARATUS - The image reading apparatus conveys a reading unit or a document to read the document. Conveyance is implemented by motor control based on a target position trajectory. The reading unit reads the document each time a line start signal is inputted. When a predetermined condition is satisfied, the reading operation is invalidated. A conveyance position at a timing to start the first reading operation invalidated is specified as an interrupted position. The object is arranged at a conveyance restart position moved back from the interrupted position. A target position trajectory is newly set. A conveyance time from the conveyance restart position to the interrupted position defined by the target position trajectory is an integral multiple of an output cycle of the line start signal. The motor control based on the target position trajectory is started at a timing coinciding with an output timing of the line start signal. | 10-06-2011 |
20110261422 | POSITION MEASURING DEVICE - A position measuring device including a code having a sequence of code elements of equal width B that is disposed in a measurement direction and includes a first property and a second property. The sequence of codes elements includes a first set of code elements having the first property and a second set of code elements having the second property, wherein the first and second sets of code elements are each being disposed aperiodically. The position measuring device further including a scanning unit having a plurality of detectors for scanning the code and obtaining scanning signals, wherein a code word defining an absolute position is defined from the scanning signals. The position measuring device including an arrangement for forming an incremental signal from the scanning signals, wherein the arrangement includes a converter device and a collection device arranged downstream of the converter device and wherein the collection device forms respective intermittently periodic partial signals from the scanning signals derived from scanning positions in a spacing matrix. | 10-27-2011 |
20120026560 | SCANNER - The present invention relates to a scanner with a real-time image auto-cutting function. The scanner includes a positioning element, a scanning scope determining unit and a scanning unit. The scanning scope determining unit is configured on the positioning element, has a specific pattern and is provided to determine a scanning scope. The scanning unit scans the specific pattern to determine the scanning scope. | 02-02-2012 |
20120033268 | MULTIFUNCTION PERIPHERAL AND POSITION-CALIBRATING METHOD OF SCANNING MODULE - A multifunction peripheral includes a scanning platform, a scanning module, a recording unit and a controlling unit. The scanning platform includes a standby position, a position-calibrating structure and a datum line. The scanning platform is divided into a first zone and a second zone by the datum line. The position-calibrating structure is included in the second zone. The scanning module is movable with respect to the scanning platform for performing a scanning operation. The recording unit is used for recording a parameter associated with a position of the scanning module with respect to the scanning platform. The controlling unit is used for controlling movement of the scanning module according to the parameter recorded in the recording unit, so that the scanning module is moved through the position-calibrating structure to perform a position-calibrating operation. After the position-calibrating operation is completed, the scanning module is moved to the standby position. | 02-09-2012 |
20120262765 | SHEET CONVEYANCE DEVICE, IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS USING SHEET CONVEYANCE DEVICE - A sheet conveyance device that is capable of correcting skew of a sheet like an index sheet without complicating a use setting and without increasing a cost significantly. A plurality of conveyance units are arranged in a direction intersecting a sheet conveyance direction to convey a sheet. At least three detection sensors are arranged in a direction intersecting the conveyance direction at an upstream side from the conveyance units to detect the sheet. A skew amount computation unit measures a time difference between detection timings of a front end of the sheet by two of the at least three detection sensors except the detection sensor that detects first, and computes a front-end skew amount according to the time difference. A speed change unit makes the conveyance speeds of the conveyance units be different according to the front-end skew amount so as to correct the skew of the sheet. | 10-18-2012 |
20130057930 | PAPER PROCESSING APPARATUS - A paper processing apparatus equipped with a paper transferor for sequentially transferring paper sheets while maintaining a predetermined interval between a certain paper sheet and the next paper sheet; a paper position detector for detecting the position of a paper sheet; a plurality of processors for performing processing for the paper sheet; an information reader for reading information relating to processing to be performed for the paper sheet; and a controller for controlling operations relating to the paper transferor, the paper position detector, the plurality of processors, and the information reader, wherein upon judging that the certain paper sheet has passed through a certain processor, the controller carries out control to adjust the widthwise position of the certain processor so as to be adapted for the processing for the next paper sheet. | 03-07-2013 |
20130083372 | IMAGE SCANNING DEVICE - An image scanning device includes a main unit, a scanning unit movable relative to the main unit between its base position and its moved position, a document conveying unit movable relative to the scanning unit between its base position and its moved position, a cover member movable relative to the document conveying unit between its base position and its moved position, and first and second detectors. The first second detectors output four different combinations of on/off signals which include a first combination output in a base state where all the units are in their base positions, a second combination output when the scanning unit moves to its moved position from the base state, a third combination output when the document conveying unit moves to its moved position from the base state, and a fourth combination output when the cover member moves to its moved position from the base state. | 04-04-2013 |
20130083373 | Image-Reading Device and Computer-Readable Storage Medium - An image-reading device may include a reading unit and a control device. The control device may be configured to detect a candidate point for an edge of the document on each of a pair of parallel detection lines, obtain a tilt angle of a straight line extending between the detected candidate points in the read data and classify the obtained tilt angle into a plurality of range groups. Further, control device may be configured to count the number of obtained tilt angles in each of the plurality of range groups. Also, each of the range groups may be associated with a predetermined angle and when the count of one of the range groups meets predetermined criteria, the control device may assign the predetermined angle of the range group whose count meets the predetermined criteria to be a tilt angle of the document. | 04-04-2013 |
20130083374 | IMAGE READING DEVICE VARYING CONVEYANCE TORQUE BASED ON TYPE OF SHEET - An image reading device includes a sheet setting portion, reading unit, detecting unit, and controller. The conveying unit is configured to convey a sheet in a conveying direction at a first velocity. The reading unit is configured to read the sheet at a reading position. The detecting unit is configured to detect the sheet at a detection position upstream of the reading position in the conveying direction. The controller is configured to control the conveying unit to initiate conveyance of sheet, and configured to control the reading unit to start reading the sheet when the sheet is detected. The controller controls the conveying unit to convey the sheet at a second velocity slower than the first velocity when the sheet is not detected after a prescribed period of time has elapsed since the conveying unit initiates the conveyance of sheet. | 04-04-2013 |
20130094068 | IMAGE PROCESSING APPARATUS, METHOD OF IMAGING PROCESSING AND STORAGE MEDIUM - An image processing apparatus determines a direction of document placement relative to a scanning direction based on a direction of a shadow region in an input image when a line sensor having a light receiving element performs a scan and an image read from a book document by a reading apparatus is input. When the direction of the binding portion of the document is determined to be along a longitudinal direction of the line sensor, an image of a region read by the light receiving element of the line sensor from reflected light undergoing specular reflection from the document is detected based on the amount of variation in luminance between adjacent pixels in the read image of the book document. Luminance of the image corresponding to the region is corrected. | 04-18-2013 |
20130120809 | Technical Documents Capturing And Patents Analysis System And Method - Disclosed is a system and method for capturing technical documents and reading and commentating captured documents thereof. The system may comprise a capturing system and a reading with commentating system. The capturing system selects related drawings from a group of technical documents. It then provides important information and the related drawings onto an image for the readers' review. The reading with commentating system allows the readers to process technical classification, management and export/import for the group of technical documents. Readers may make comments on an information sharing platform after reviewing the technical documents. Besides, other materials collected or generated from the technical analysis on the technical documents may be attached to the information sharing platform. | 05-16-2013 |
20130182296 | IMAGE READING DEVICE, IMAGE READING METHOD, AND IMAGE FORMING APPARATUS - An image reading device includes a transporter transporting a document to a reading position, a first corrector correcting a skew of the document by coming into contact with a leading edge thereof, a radiating unit radiating light to the document, an image-information acquiring unit acquiring image information of the document based on information of light reflected therefrom, a reflector reflecting the radiated light, a leading-edge detector comparing a quantity of light reflected by the reflector with a quantity of light reflected by the document so as to detect the leading edge, a skew-amount calculator calculating a skew amount of the leading edge, and a second corrector correcting a skew of the image information based on the skew amount. The device switches between the skew correction by the first corrector and the skew correction by the second corrector based on document information, the skew amount, or user's selection. | 07-18-2013 |
20130250375 | IMAGE INFORMATION REGISTRATION SYSTEM, NON-TRANSITORY COMPUTER READABLE MEDIUM STORING AN IMAGE INFORMATION REGISTRATION PROGRAM, AND IMAGE INFORMATION REGISTRATION METHOD - Provided is an image information registration system including an image information acquisition unit that acquires image information appearing on a surface of a medium, a rotation angle information acquisition unit that acquires rotation angle information corresponding to a rotation angle of the medium with respect to a reading direction based on the image information, a retrieval information acquisition unit that acquires retrieval information including at least one item of attribute information and association system information that represents an association system which are correlated with the rotation angle information based on the rotation angle information, a target information acquisition unit that acquires one or plural items of target information stored in the association system identified by the association system information according to the retrieval information, and an image information registration unit that registers the image information according to the acquired one or plural items of target information. | 09-26-2013 |
20130329264 | READING APPARATUS AND METHOD OF CONTROLLING THE SAME - A reading apparatus includes a first generation unit, a determination unit, a second generation unit, and an association unit. The first generation unit generates data of a first target object obtained by using an image capture unit attached above a reading platen to read the first target object placed in a reading area of the reading platen. The determination unit determines, in a state where the first target object is placed in the reading area, whether a second target object has been placed in the reading area. The second generation unit generates data of a second target object obtained by using the image capture unit to read the second target object. The association unit associates, in response to determining that the second target object has been placed in the reading area, the data of the first target object with the data of the second target object. | 12-12-2013 |
20140022609 | DOCUMENT, IMAGE FORMING APPARATUS, COVER PLATE, IMAGE READING APPARATUS, IMAGE FORMING METHOD, AND IMAGE READING METHOD - There is provided a document, wherein a measurement image for measuring a position of an image relative to a document is formed on a first surface thereof, a designation image for designating a document position, at which the document is placed on an image reading apparatus that reads an image, is formed on a second surface thereof, and wherein the document is spaced from an end portion of a reading region of the image reading apparatus by placing the document in accordance with the designation of the designation image, and the designation image is formed such that the measurement image is placed in the reading region of the image reading apparatus. | 01-23-2014 |
20140063570 | METHOD FOR DETECTING THE WIDTH AND POSITION OF DOCUMENTS USING IMAGE INFORMATION IN A LARGE- FORMAT SCANNER SYSTEM - The invention relates to a method for identifying the width and position of documents ( | 03-06-2014 |
20140085689 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus includes a resolution converting unit, an address generating unit, a density determining unit, and an image path selector. The resolution converting unit converts a resolution of image data into a higher resolution. The address generating unit performs a position determining process of determining a position of an additional pixel on the basis of main-scanning directional positions of pixels composing the converted image data and respective shift amounts of the pixels shifted to a sub-scanning direction. The density determining unit determines a density of the additional pixel on the basis of a density of a pixel located at a position corresponding to the determined position in the image data. The image path selector scales the image data up or down by controlling the address generating unit while adding the additional pixel having the determined density to the determined position. | 03-27-2014 |
20140153067 | SCANNER FOR AUTOMATICALLY DETECTING OBJECT TO BE SCANNED AND SCANNING METHOD USING SAME - A scanner for automatically detecting a scan target includes a transparent scan region configured to support the target, an image sensor including a light source for irradiating light toward the scan region and a light receiving element array for sensing the incident light through the scan region, a drive unit configured to linearly move the sensor across the scan region, and a control unit that controls the sensor and the drive unit. The control unit controls the light source of the sensor and the drive unit such that the sensor moves to a detection position and then the array senses the incident light through the scan region with the light source turned on and off. The control unit compares output signals of the array obtained by turning on and off the light source and automatically determines, based on the comparison, whether the target is placed in the scan region. | 06-05-2014 |
20140211276 | IMAGE READING DEVICE FOR DETECTING END OF SHEET - An image reading device starts executing a reading process before a sheet reaches a reading position, and executes the reading process subsequently and repeatedly. A partial image is acquired each time the reading process is executed. Each time one partial image is acquired, the image reading device determines a number of pixels awarded to the one partial image; and determines an intensity awarded to the one partial image. The image reading device decides that at least one of the two successively-acquired partial images corresponds to an end of the sheet when the two partial images satisfy the conditions (A) and (B). Condition (A): the determined number of pixels is changed between the two successively-acquired partial images. Condition (B): the determined intensity is changed between the two successively-acquired partial images. | 07-31-2014 |
20140240799 | OVERHEAD SCANNER, IMAGE OBTAINING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM - An overhead scanner successively obtains a plurality of images by controlling an area sensor, calculates a movement pattern by image difference extraction by using the obtained images, detects a page turning movement on the basis of the movement pattern, and determines that a read operation be started when the page turning movement is detected. | 08-28-2014 |
20140253984 | IMAGE FORMING APPARATUS AND METHOD FOR INCREASING IMAGE RESOLUTION AND MAGNIFICATION - An image forming apparatus includes: an acquiring unit; a resolution converting unit; a receiving unit; a position determining unit; a correcting unit; and a scaling unit. The acquiring unit acquires image data composed of a plurality of pixels; the scaling-factor determining unit determines a scaling factor of the acquired image data; the resolution converting unit converts a resolution of the acquired image data into a higher resolution than the resolution of the image data; the receiving unit receives a designation of a sub-scanning directional shift amount of a correction pixel to be corrected; a position determining unit performs a position determining process; and the scaling unit scales the image data at the determined scaling factor by causing the position determining unit and the correcting unit. | 09-11-2014 |
20140285859 | METHOD AND APPARATUS FOR PERFORMING FUNCTION ACCORDING TO POSITION OF SCAN OBJECT - An image forming apparatus includes a user interface unit that includes a scan area, an image reading unit that reads an image of a scan object disposed on the scan area, a driving unit that moves the image reading unit, a control unit that controls a function according to a position of the scan object, an operation performing unit that performs the function by using the read image, and a storage unit that stores information about the function corresponding to the position of the scan object. The scan area includes a determination area and a function area, and when it is determined that the scan object does not exist on the determination area, the control unit controls the operation performing unit to perform the function corresponding to the position of the scan object on the function area. | 09-25-2014 |
20150015925 | USING A SCANNING IMPLEMENTED SOFTWARE FOR TIME ECONOMY WITHOUT RESCANNING (S.I.S.T.E.R) - Methods and devices are described for detecting boundaries of documents on flatbed and multi-function scanners on a first pass of a carriage assembly, and then performing a high resolution scan on a second pass. High resolution images of documents can then be obtained with little or no interaction normally necessary to identify areas of interest on the scanner bed. Patterns on the scanner cover or lid facilitate not only edge determination, but orientation of text and other objects, and straightening of images in preparation for OCR and related functions. Electronic images and files derived from paper documents may be automatically cropped, deskewed, subjected to OCR, and named consistent with content or other information derived from them. | 01-15-2015 |
20150085330 | READING DEVICE, IMAGE FORMING APPARATUS INCLUDING THE SAME, AND CONTROL METHOD FOR READING DEVICE - The reading device includes an image reading unit, a document feeder unit, a table document detection unit for detecting presence or absence of a document on the place-reading contact glass, a document set sensor for detecting setting of the document, a size detection unit for detecting a size of the document on the document tray, and an open/close detection unit for detecting open and close of the document feeder unit. In a determination necessary state in which setting of the document is not detected while an object on the document tray is detected, it is determined to execute feed reading, or to execute place reading, or to be disabled to confirm to execute the place reading or the feed reading, based on whether or not there is a document on the place-reading contact glass and based on history information. | 03-26-2015 |
20150373219 | Image-Reading Device Detecting Edge of Sheet by Dynamically Setting Mask Region - In an image-reading device, a reading unit optically reads an object. An edge image generation unit generates a plurality of sets of edge image data corresponding to a plurality of target lines. The plurality of sets of edge image data includes a first set of edge image corresponding to a first target line. The mask setting unit determines whether an edge pixel is included in the first set of edge image data. When the edge pixel is included in the first set of edge image data, the mask setting unit sets a mask region on the image. The edge detection unit detects a positional coordinate of the edge pixel from among pixels outside the mask region. The mask setting unit sets the mask region continuously and dynamically from the first target line to a target line on which detection of the edge pixel ends. | 12-24-2015 |
20160044196 | IMAGE PROCESSING APPARATUS - This image processing apparatus identifies the orientation of a document image in a horizontally written text document. The image processing apparatus includes a character identification unit, a line identification unit, and an orientation identification unit. The character identification unit identifies a character bounding rectangle for every character in the document image based on extracted edges. The line identification unit merges the character bounding rectangles identified by the character identification unit to identify a plurality of line bounding rectangles. The orientation identification unit identifies the positions of a short side on one end and a short side on the other end, in the longitudinal direction, of each of the line bounding rectangles identified by the line identification unit to identify the orientation of the document image based on the positional distributions of the identified short sides of the line bounding rectangles. | 02-11-2016 |
20160065778 | Image Reader, and Method and Computer-Readable Medium for the Same - An image reader including a document table having a reference point, a first region of a sheet having a predetermined size when a vertex of the sheet is positioned on the reference point, and a second region, a changing mechanism changing a reading position in a sub scanning direction, and a controller configured to control the changing mechanism to change the reading position to a first position such that a distance in the sub scanning direction between the reference point and the first position corresponds to a length of the predetermined sheet size in the sub scanning direction, acquire specific digital data of the second region through image reading in the first position with a light source turned off, compare a particular value of the specific digital data with a criterion value within the second region, and determine a state of a document cover based on the comparison. | 03-03-2016 |
20160080598 | MULTI-MODE SCANNER - A multi-mode scanner comprises a first body, a second body and a scanning module. The first body connected to the second body has connected first and second sides. A passageway accommodating a first portion of a bent document is formed between the first and second bodies. A second portion of the bent document is connected to the first portion of the bent document and supported by a second side of the first body. The first and second bodies are configured such that a weight of the bent document makes the second portion be in flat surface contact with the second side, or makes the first portion be in flat surface contact with first side. The scanning module disposed in one or both of the first and second bodies performs an image scan operation on the first portion of the bent document in the passageway to obtain an image signal. | 03-17-2016 |
20160112597 | BIASED DOCUMENT BACKING - A document backing extending in a plane is resiliently biased in a direction substantially parallel to the plane. | 04-21-2016 |
20160122148 | SYSTEM AND METHOD FOR SORTING SCANNED DOCUMENTS TO SELECTED OUTPUT TRAYS - An image scanner system and method with document sorting capability that includes the ability to sort based on image content is described. A processor instructs drive motors and rollers of the transport system moving the document along a transport path within the scanner to stop movement, such that document is stopped at a position after it is imaged to provide time for the processor to analyze the image content and make a sorting decision. The transport system is then restarted and the document is delivered to a paper path switching mechanism to provide the physical sort. Based on the processing, the switching mechanism is positioned such that the document will follow a transport path into a desired output tray. The system may reverse the transport system to back up the document before being restarted in order to allow for paper path switching of longer documents. | 05-05-2016 |
20160127571 | Image Reading Device and Image Reading Method - An image reading device is configured (an image reading method includes) to acquire first information having regularity contained in image data read by a reading portion and positional information about the first information, to determine a range based on the first information and the positional information, and to detect a read fault of a medium based on the first information contained in the range. | 05-05-2016 |
20160255212 | DOCUMENT READING DEVICE | 09-01-2016 |
20170237875 | IMAGE READING DEVICE, IMAGE READING METHOD, AND IMAGE READING PROGRAM | 08-17-2017 |