Patent application number | Description | Published |
20080199082 | Method and apparatus for recognizing boundary line in an image information - According to an aspect of an embodiment, a method of detecting boundary line information contained in image information comprising a plurality of pixels in either one of first and second states, comprising: detecting a first group of pixels in the first state disposed continuously in said image information to determine first line information and detecting a second group of pixels in the first state disposed adjacently with each other and surrounded by pixels in the second state to determine edge information based on the contour of the second group of pixels; and determining the boundary line information on the basis of the information of the relation of relative position of the line information and the edge information and the size of the first and second group of pixels. | 08-21-2008 |
20080226171 | Correcting device and method for perspective transformed document images - This invention provides a correcting device and a correcting method for perspective transformation of document images. The correcting device comprises a horizontal vanishing point determining unit, for detecting a horizontal vanishing point of the perspective transformed document image; a vertical vanishing point determining unit, for detecting a vertical vanishing point of the perspective transformed document image; and a perspective transformation correcting and converting unit, for correcting the perspective transformed document image; wherein the horizontal vanishing point determining unit comprises a direct horizontal line segment detecting unit, an indirect horizontal line segment detecting unit and a horizontal vanishing point detecting unit, and wherein the horizontal vanishing point detecting unit detects a horizontal vanishing point in accordance with a direct horizontal line segment detected by the direct horizontal line segment detecting unit and an indirect horizontal line segment detected by the indirect horizontal line segment detecting unit. | 09-18-2008 |
20080273802 | Program and apparatus for forms processing - A form processing program which is capable of automatically extracting keywords. When the image of a scanned form is entered, a layout recognizer extracts a readout region of the form image, a character recognizer recognizes characters within the readout region. A form logical definition database stores form logical definitions defining strings as keywords according to logical structures which are common to forms of same type. A possible string extractor extracts as possible strings combinations of recognized characters each of which satisfies defined relationships of a string. A linking unit links the possible strings according to positional relationships, and determines a combination of possible strings as keywords. | 11-06-2008 |
20090016608 | CHARACTER RECOGNITION METHOD - According to an aspect of an embodiment, a method of character recognition out of an image having a frame and a plurality of characters in an area, comprises the steps of: dividing the area into a plurality of partial areas having a plurality of partial images, respectively; providing a template image having a reference frame image; calculating differences between the partial images and the reference frame image of the template image, respectively; calculating misalignment of the image from the template image based on the average of the differences of the partial images and the reference frame image; and recognizing the characters out of the image upon correction of the misalignment. | 01-15-2009 |
20090041361 | Character recognition apparatus, character recognition method, and computer product - A character recognition apparatus includes a hash table registering unit and a recognition processing unit. The hash table registering unit creates a hash table indicating a characteristic of each of partial character images as an area of each character. The recognition processing unit divides an input image into partial input images, and calculates a characteristic of each partial input image. The recognition processing unit searches the hash table for a partial character image having a characteristic similar to that of each partial input image. The recognition processing unit compares a positional relationship of the partial input images with that of the partial character images to determine whether they match, and recognizes a character in each area of the input image. | 02-12-2009 |
20090110280 | IMAGE RECOGNITION APPARATUS, IMAGE RECOGNITION PROGRAM, AND IMAGE RECOGNITION METHOD - An image recognition method is conducted by recognizing logical elements based on a logical structure model set to correspond to the logical structure of an image of individual character strings, collecting information processed with the logical structure model of images of a logical structure, acquiring a recognition result when recognizing an image of a logical structure by processing information collected with a post-update logical structure model, | 04-30-2009 |
20090110282 | IMAGE RECOGNITION APPARATUS, IMAGE RECOGNITION METHOD, AND STORAGE MEDIUM RECORDING IMAGE RECOGNITION PROGRAM - An image recognition apparatus recognizes the correspondence between character strings and logical elements composing a logical structure in an image in which the character strings are described as the logical elements to recognize each logical element. The image recognition apparatus includes outputting means for outputting the recognized logical elements when the correspondence is recognized or re-recognized; first determining means for determining a certain logical element to be correct when input of a determination request to determine the logical element is received from a user; second determining means for determining the correctness of all the logical elements output before the logical element determined by the first determining means and is positioned according to confirmation by the user; and re-recognizing means for re-recognizing the correspondence between logical elements that have not been determined to be correct and the character strings on the basis of the determination content for each logical element. | 04-30-2009 |
20090112797 | LOGICAL STRUCTURE ANALYZING APPARATUS, METHOD, AND COMPUTER PRODUCT - A logical structure analyzing apparatus includes an extracting unit that extracts word candidates from a form, a first generating unit that classifies each of the word candidates into a group of heading candidates or a group of data candidates to generate, based on positions of the word candidates on the form, first candidate sets each including one heading candidate and one data candidate identifiable by the heading candidate, and a second generating unit that combines the first candidate sets to generate second candidate sets that each include plural heading candidates that differ and one data candidate. The apparatus also includes a removing unit that, based on positions of the heading candidates and the data word candidate in each second candidate set, removes from among the second candidate sets, a determined set including a data item and headings identifying the data item, and an output unit that outputs the determined set. | 04-30-2009 |
20090125509 | DOCUMENT RECOGNIZING APPARATUS AND METHOD - A document recognizing apparatus includes a display control unit which displays a document data including a character string related to a character string selected by a user, and an area that includes at least a character string of the document data. | 05-14-2009 |
20090125797 | COMPUTER READABLE RECORDING MEDIUM ON WHICH FORM DATA EXTRACTING PROGRAM IS RECORDED, FORM DATA EXTRACTING APPARATUS, AND FORM DATA EXTRACTING METHOD - The form data extracting apparatus, even input form does not have a logical structure stored in the generic logical structure DB, by using logical elements in the existing logical structure and a registered form obtained on the basis of (a) the logical structure, (b) pieces of position information of the logical elements, and (c) a relation between the logical elements. A logical element and a logical structure are extracted from the input form, and the extracted logical structure can be defined as a new registered form or a new logical structure. | 05-14-2009 |
20090148049 | RECORDING MEDIUM FOR RECORDING LOGICAL STRUCTURE MODEL CREATION ASSISTANCE PROGRAM, LOGICAL STRUCTURE MODEL CREATION ASSISTANCE DEVICE AND LOGICAL STRUCTURE MODEL CREATION ASSISTANCE METHOD - A method for assisting in the creation of a logical structure model, which stores, from an image in which character strings associated respectively with a plurality of logical elements constituting a logical structure are described, the logical elements, character strings associated with the logical elements, and the logical structure, wherein character strings in an input image and the logical structure among the character strings in the input image are extracted, a logical element is selected among the plurality of logical elements according to the degrees of similarity between the extracted character strings and the character string associated respectively with the plurality of logical elements stored in the logical structure model, a character string associated with the selected logical element and a character string in the input image associated with the logical element based on the logical structure among the extracted character strings in the input image are extracted. | 06-11-2009 |
20090202152 | AREA EXTRACTION PROGRAM, CHARACTER RECOGNITION PROGRAM, AND CHARACTER RECOGNITION DEVICE - An area extraction method including obtaining a character lattice showing a connection relation between unit areas, which are obtained by separating a character string pattern in an image into patterns each recognized as corresponding to a single character, judging whether or not all combinations of each of the unit areas in the obtained character lattice and each of the unit areas in a regular lattice defining a regular connection relation between the unit areas are likely to be established, generating a path coupling between nodes corresponding to the combination of the unit areas which is determined as likely to be established, determining an optimum path from the generated paths based on a degree of coincidence with the regular lattice or the character lattice, and extracting from an image the unit areas in the character lattice corresponding to the determined optimum path. | 08-13-2009 |
20090208107 | CHARACTER RECOGNITION APPARATUS AND CHARACTER RECOGNITION METHOD - A character recognition apparatus includes a division mechanism for dividing a diagram into a plurality of parts, a candidate character string acquisition mechanism for combining the plurality of parts of the diagram, and a character string selection mechanism for selecting one character string. The candidate character string acquisition mechanism includes at least one of first mechanism for duplicating a character line that touches adjacent characters and then including a duplicated character line as an element of a candidate character string, and second mechanism for including a candidate character string in which the touching character line between the adjacent characters has been removed, and a candidate character string in which the touching character line is contained, in the plurality of candidate character strings. | 08-20-2009 |
20090245658 | COMPUTER-READABLE RECORDING MEDIUM HAVING CHARACTER RECOGNITION PROGRAM RECORDED THEREON, CHARACTER RECOGNITION DEVICE, AND CHARACTER RECOGNITION METHOD - A character recognition method and device including extracting a character pattern based on information of an input character image and information about a structure of a character category and comparing the extracted character pattern with the character category corresponding to the character pattern to calculate the similarity, where the character category is representative of a character to be output after recognition of the input character image. The method and device include outputting as a recognition result of the input character image the character category with a maximum similarity obtained by the calculation or information of characters which are candidates of the character category whose similarities have been calculated. | 10-01-2009 |
20090285490 | Dictionary creating apparatus, recognizing apparatus, and recognizing method - A dictionary creating apparatus registers probability distributions each including an average vector and a covariance matrix, in a dictionary. The dictionary creating apparatus organizes plural distribution profiles of character categories having similar feature vectors into one typical distribution profile, and registers the typical distribution profile and the character categories to be organized, associated with each other, in the dictionary, without registering eigenvalues and eigenvectors of all character categories, associated with each other, in the dictionary. | 11-19-2009 |
20100005096 | Document type identifying method and document type identifying apparatus - A document type identifying apparatus includes in advance a database storing therein keywords used as keys that identify document types in association with each document type. The document type identifying apparatus aligns word strings written on a document and generates partial keyword strings for each keyword by using the keywords stored in the database. The partial keyword strings are to be checked for matching with the word strings written on the document. Then, the document type identifying apparatus checks matching of the grouped and aligned word strings with the partial keyword strings and obtains, for each keyword, each number of matched words with the highest matching rates between the grouped word strings that are successfully matched and the partial keyword strings. Then, each number of matched words is used to calculate each evaluation value to determine the document type. | 01-07-2010 |
20100104192 | CHARACTER RECOGNITION PROCESSING METHOD AND APPARATUS - This method includes: extracting a feature vector for an input character from a reading result of the input character; calculating distances between the feature vector for the input character and vectors including average vectors stored in a system dictionary storing, for each character, the average vector and distribution information, and feature vectors stored in a user dictionary; extracting the top N character codes in an ascending order of the calculated distances; obtaining second distribution information for the character codes, which are included the user dictionary and in the top N character codes; calculating, for each of the top N character codes, a second distance with the feature vector for the input character, by using, for the character codes, which are included in the user dictionary and in the top N character codes, the second distribution information; and identifying a character code whose second distance is shortest. | 04-29-2010 |
20110255785 | Character area extracting device, imaging device having character area extracting function, recording medium saving character area extracting programs, and character area extracting method - A character area extracting device includes a reflective and non-reflective area separation unit separating image data into reflective and non-reflective areas, and binarizing the image data by changing a first threshold value when it is inappropriate; a reflective area binarizing unit separating the reflective area into character and background areas, and binarizing it by changing a second threshold value when it is inappropriate; a non-reflective area binarizing unit separating the non-reflective area into the character and background areas, and binarizing it by changing a third threshold value when it is inappropriate; a reflective and non-reflective area separation evaluation unit; and a line extracting unit connecting the character areas of the reflective and non-reflective areas and extracting positional information of the connected character areas in the image data. | 10-20-2011 |
20120002944 | REPLAY CONTROL METHOD AND REPLAY APPARATUS - A replay control method of controlling reply means for replaying video content executed by a computer, the method includes: accepting one or more keywords; retrieving, from pieces of correspondence information each containing fraction part information specifying a piece of video content and a fraction part in the piece of video content, and a word string expressed in the fraction part, each piece of correspondence information whose word string contains at least one of the accepted one or more keywords; and making the replay means replay the fraction part specified by each retrieved piece of correspondence information. | 01-05-2012 |
20130148849 | IMAGE PROCESSING DEVICE AND METHOD - An image processing device that accesses a storage unit that stores a feature point of a recognition-target object, the device includes an obtaining unit mounted with a user and configured to obtain image data in a direction of a field of view of the user; a recognizing unit configured to recognize the recognition-target object included in the image data by extracting a feature point from the image data and associating the extracted feature point and the feature point of the recognition-target object stored in the storage unit with each other; a calculating unit configured to calculate a location change amount of the feature point corresponding to the recognition-target object recognized by the recognizing unit from a plurality of the image data obtained at different times and calculate a motion vector of the recognition-target object from the location change amount; and a determining unit configured to determine a movement. | 06-13-2013 |
20130342441 | CHARACTER INPUT METHOD AND INFORMATION PROCESSING APPARATUS - A character input method to be executed by a computer, the character input method includes: acquiring a first image from an imaging device; detecting an object from the first image; specifying a character group corresponding to a first position of the object detected from the first image, based on correspondence information in which each of a plurality of character groups including a plurality of characters is associated with each of a plurality of regions set for the first image; acquiring a second image acquired from the imaging device at a time different from a time at which the first image is acquired; detecting the object from the second image; and designating one character from the specified character group, based on a second position of the object detected from the second image. | 12-26-2013 |
20140064557 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND A COMPUTER-READABLE NON-TRANSITORY MEDIUM - An image processing method includes recognizing a first object that is included in the image data, calculating a positional variation amount of a feature point that corresponds to the first object and is moving in an image center direction so as to calculate a moving speed of the first object on the basis of the positional variation amount, determining whether or not the first object is a gaze target object of the user, in accordance with a behavior of the first object, the behavior being obtained on the basis of the positional variation amount of the first object among the plurality of image data, of which acquisition time is respectively different and whether or not the object continuingly exists in a second region, the second region being positioned in an inside of the first region and including a center point of the image data, for a predetermined period of time. | 03-06-2014 |
20140105455 | INFORMATION PROCESSING APPARATUS AND INPUT CONTROL METHOD - An information processing apparatus includes an image capturing section to capture an image of a hand; an extracting section to extract a hand area from the captured image; a reference line determining section to determine a reference pushdown line in the image on the hand area; a determining section to determine a pushdown move if the bottom part of the hand area comes below the reference pushdown line; a first position determining section to determine a depth position based on an aspect ratio of the hand area if the pushdown move is determined; a second position determining section to determine a lateral position based on a position of the bottom part of the hand area if the pushdown move is determined; and an input key determining section to determine an input key from the determined depth position and lateral position. | 04-17-2014 |