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Class 382/290 - Where the image is a character, word, or text


Subclass of Class 382 - Image analysis
Definition: Subject matter wherein the measurement is undertaken to
No. of patents: 118
Last issue date: 03/20/2012


1      
NumberTitleIssue Date
8139894Automatic dominant orientation estimation in text images based on steerable filters
Briefly, in accordance with one or more embodiments, an image processing system is capable of receiving an image containing text, applying optical character recognition to the image, and then audibly reproducing the text via text-to-speech synthesis. Prior to optica...
03/20/2012
7684646System and method of determining image skew using connected components
A system and method for determining skew of a document image. An image processing system is provided, comprising: an image segmentation system that identifies and segments a line of printed characters; and a skew processing system that determines the skew by calcula...
03/23/2010
7657120Method and apparatus for determination of text orientation
The present invention relates to a method for determining the orientation of text, so that the text can be correctly read. In one embodiment, the method analyzes the “open” portions of text characters to determine in which direction the open portions face. By de...
02/02/2010
7630581Correcting image distortion caused by scanning
An apparatus, system, method, computer program and product are disclosed, each capable of correcting distortion in a scanned image, using at least a character line extracted from the scanned image. To extract the character line, a circumscribed rectangle is formed f...
12/08/2009
7602995Correcting image distortion caused by scanning
An apparatus, system, method, and computer program product is disclosed, each capable of correcting distortion in a scanned image, using at least a character line extracted from the scanned image. The character line is extracted based on a circumscribed rectangle, r...
10/13/2009
7567730Detecting an orientation of characters in a document image
An apparatus, method, system, computer program and product, each capable of detecting an orientation of characters in a document image are disclosed. The orientation of the characters is determined based on a detection result, which indicates the degree of similarit...
07/28/2009
7412113Captured image projection apparatus and captured image correction method
A calligraphy/drawing camera image-captures a document and sends a resultant captured image to a personal computer (S101). The personal computer applies various image processes such as correction of various deformations including a trapezoidal deformation bas...
08/12/2008
7369713Image processing apparatus and method for determining whether an image is of a vertical or horizontal writing
An image processing apparatus, including a transform unit configured to wavelet-transform image data into a set of wavelet coefficients, and a determination unit configured to determine whether the image data is of a vertical writing or of a horizontal writing based...
05/06/2008
7362917Apparatus and method for correcting distortion of input image
A three-dimensional curved-surface model can be estimated by using both two-dimensional outlines obtained from a piece of image photographed from the top and a restriction that the paper is rectangular. Then, only the three-dimensional distortion in the image can be...
04/22/2008
7356200Method and device for determining skew angle of an image
Methods and apparatuses for determining a skew angle of text relative to an axis are disclosed herein. One exemplary embodiment of the method comprises locating a first portion of the text that has a spatial frequency greater than a first preselected value. The meth...
04/08/2008
7340110Device and method for correcting skew of an object in an image
A device and method for correcting a skew of an object in an image. The device and method comprises an input part for receiving an image; a binarization part for binarizing pixels of the image into pixels having brightness values for character pixels and background ...
03/04/2008
7333676Method and apparatus for recognizing text in an image sequence of scene imagery
An apparatus and a concomitant method for detecting and recognizing text information in a captured imagery. The present method transforms the image of the text to a normalized coordinate system before performing OCR, thereby yielding more robust recognition performa...
02/19/2008
7330606Method and system for extracting data from surface array deposited features
A method for evaluating an orientation of a molecular array having features arranged in a pattern. An image of the molecular array is obtained by scanning the molecular array to determine data signals emanating from discrete positions on a surface of the molecular a...
02/12/2008
7327900Image reading apparatus and recording medium
An image read controller for extracting an original portion from an image read by an image reader. The image read controller includes means for extracting a rectangular area containing the area in which the original exists from the read image, inclination detection ...
02/05/2008
7327887Increasing accuracy of discrete curve transform estimates for curve matching
System and method for estimating a rotational shift between a first discrete curve and a second discrete curve, where the second discrete curve is a rotationally shifted version of the first discrete curve. First and second discrete curves are received. A rotational...
02/05/2008
7305089Picture taking apparatus and method of controlling same
The camera includes a sensor for sensing the photographer's iris image and registering the image in advance. The iris image is recorded in the image of a subject by a digital MCU at a timing different from that at which the image of the subject is captured. The reco...
12/04/2007
7305619Image processing method, device and storage medium therefor
The invention significantly improves operability by automatically discriminating a plurality of image orientations, which are not assured of always being fed in common orientations, and reduces possible burdens to operators by eliminating efforts required to arrange...
12/04/2007
7305612Systems and methods for automatic form segmentation for raster-based passive electronic documents
Systems and methods for automatically extracting form information (document structure, elements, format, etc.) from electronic documents such as raster-based passive documents, and storing such form information in a file in accordance with a predetermined DTD (docum...
12/04/2007
7302576Systems and methods for authenticating documents
Methods and systems for authenticating documents. Document data to be modified to contain authentication is inputted. A representation is determined from the document data. Assist information that is usable to reliably recover a determined representation is determin...
11/27/2007
7298920Method and device for determining orientation of text
A method of determining the orientation of text is disclosed herein. An embodiment of the method may comprise measuring the contrasts associated with an upper edge of the text relative to a background. A first length of the upper edge of text having contrasts that a...
11/20/2007
7286718Method and apparatus for determination of text orientation
The present invention relates to a method for determining the orientation of text, so that the text can be correctly read. In one embodiment, the method analyzes the “open” portions of text characters to determine in which direction the open portions face. By de...
10/23/2007
7269298Image processing device, image processing method, and record medium on which the same is recorded
The image processing apparatus extracts edge pixels of an input image, connects the edge pixels so as to extract a segment, extracts an inclination angle of the image based on the segment, corrects an inclination of the image based on the angle, determines that corr...
09/11/2007
7239747Method and system for locating position in printed texts and delivering multimedia information
Apparatus and methods are disclosed for processing printed material to provide an index of locations within the printed material that can be associated with external actions such as displaying a graphical image, providing an audio or video output, or providing a mul...
07/03/2007
7221810Method and device for recording of information
A device and a method for recording of text by imaging the text on a light-sensitive sensor (8). The device converts the images (14–17, 47–49) into a set of characters (50, 51) each using character recognition, and then assembling the acts o...
05/22/2007
7221774Local phase filter to assist correlation
A local phase filter (315) for pre-processing data (310) including a watermark (320) is disclosed. The data (310) is pre-processed before detecting the watermark by correlation of the data (310) with the watermark (320). The...
05/22/2007
7219052Document based character ambiguity resolution
Methods and apparatus for document based ambiguous character resolution. An application searches a document for words that do not contain ambiguous characters and adds them to a dictionary, then searches the document for words that do contain ambiguous characters. F...
05/15/2007
7215828Method and system for determining image orientation
A method for determining the orientation of a digital image, includes the steps of: employing a semantic object detection method to detect the presence and orientation of a semantic object; employing a scene layout detection method to detect the orientation of a sce...
05/08/2007
7196818Printer having image correcting capability
A printer in which difference in color tone or contrast between a picture displayed on a display and a picture printed by the printer device is suppressed to a minimum. The display is preferably integrated with the printer. The printer includes an image data inputti...
03/27/2007
7177447Real-time multi-stage infrared image-based tracking system
A multi-stage infrared (IR) image-based tracking system is provided that accurately identifies and tracks targets across a variety of different situations and environmental conditions. The system includes primary and secondary trackers. The secondary tracker support...
02/13/2007
7151860Document image correcting device and a correcting method
A line orientation determining unit determining whether the line orientation of an input document image is either vertical or horizontal, a character image extracting unit extracting a character image from the input document image, a character orientation detecting ...
12/19/2006
7142727Non-iterative method of calculating image skew
A parallel, non-iterative, memory efficient method of determining image skew. A document skew angle is determined from a fast scan second order moment data set and a slow scan second order moment data set. A slow scan second order moment data set can be generated by...
11/28/2006
7142728Method and system for extracting information from a document
A computer-implemented method for extracting information from a population of subject documents. The method includes modeling a document structure. The modeled document structure includes at least a document component hierarchy with at least one record type. Each re...
11/28/2006
7142733Document processing method, recording medium recording document processing program and document processing device
In the present invention, an erroneously recognized character is corrected by making use of an output in dot characters or in a gray color. The recognized document file is outputted in dot characters or in a gray color image (S101). An operator writes a sign ...
11/28/2006
7133573Document skew accommodation
A method to be used within a document image capture device, such as a document scanner (10) of detecting and measuring the document skew (25) while the document is still entering the imaging area and then effecting a rotation of the camera to accommoda...
11/07/2006
7127080Method of processing image data to reorient an image represented by the image data in an image-based item processing system and an apparatus therefor
A method of processing image data elements derived from lifting an image of an item to reorient the image data elements comprises the steps of (a) selecting a first portion of the image data elements, (b) reorienting the first portion of the image data elements sele...
10/24/2006
7119923Apparatus and method for image processing
There is provided an image processing apparatus including an image correcting amount computing unit for computing a proper amount of image correction based on image data of an image of an original delivered from an image input unit; an image processing unit for perf...
10/10/2006
7116439Scanner system and scanner driver
A scanner system having an image scanner and a control device for controlling the image scanner. The control device has a scanner driver installed thereinto. The operator can carry out entering for setting a reading size and a direction of an original on the operati...
10/03/2006
7110568Segmentation of a postal object digital image by Hough transform
In order to segment a digital image of a postal packet in order to read a postal address (AP) automatically on said packet, the method consists: in subdividing (20) the image into image blocks of identical size; in applying (30) processing based on a H...
09/19/2006
7107450Content-based authentication of graph presented in text documents
A system and method provide for content-based authentication of binary graphs. The method includes the step of receiving an electronic file having a graphical content. An object level representation of the graphical content is then generated and authentication infor...
09/12/2006
7095894Method and computer program product for recognizing italicized text
A method and computer program product are disclosed for recognizing italic text in an optical character recognition system. A plurality of digital images of alphanumeric characters are created from a block of text, each comprising a plurality of rows of digital pixe...
08/22/2006
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