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7609269 |
Assigning color values to pixels based on object structure
Systems and methods are provided for assigning color values to pixels based on object structure. For example, when rendering a writing system symbol on an electronic display, a non-color...
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7576753 |
Method and apparatus to convert bitmapped images for use in a structured text/graphics editor
An image analysis and conversion method and system. Bitmapped ink images are converted to structured object representations of the bitmapped images, which may be read and edited by a structured...
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7567724 |
Image processing apparatus, image processing method, program of image processing method, and recording medium in which program of image processing method has been recorded
The present invention is applied, for example, to resolution conversion. An edge gradient direction v 1 with the largest gradient of pixel values and an edge direction v 2 orthogonal to the edge...
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7561739 |
Analyzing scripts and determining characters in expression recognition
A mechanism for recognizing and inputting handwritten mathematical expressions into a computer by providing part of a multi-path framework is described. The part of the multi-path framework...
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7561738 |
Symbol grouping and recognition in expression recognition
A mechanism for recognizing and inputting handwritten mathematical expressions into a computer by providing a part of a multi-path framework is described. The part of the multi-path framework...
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7561737 |
Mathematical expression recognition
A mechanism for recognizing and inputting handwritten mathematical expressions into a computer by providing a multi-path framework is described. The framework may include symbol grouping and...
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7555145 |
Multi-level optical mark reading that uses an unambiguous symbology of marks to fill into response bubbles
One or more response bubbles are used on a scannable form to be read by a scanning system. An unambiguous symbology of marks is defined to fill into each response bubble, thereby allowing at least...
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7551304 |
Information processing apparatus, image forming apparatus, method therefor, and system
An image forming method that is capable of interpreting a plurality of image forming processes includes a setting step of setting an image forming process that is activated by the image forming...
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7454063 |
Method of optical character recognition using feature recognition and baseline estimation
The present invention is a method of optical character recognition. First, text is received. Next all words in the text are identified and associated with the appropriate line in the document. The...
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7447362 |
System and method of enabling a cellular/wireless device with imaging capabilities to decode printed alphanumeric characters
A system and method for decoding printed alphanumeric characters from images or video sequences captured by a wireless device, including the pre-processing of the image or video sequence to...
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7349576 |
Method, device and computer program for recognition of a handwritten character
A method for recognition of a handwritten character comprises the steps of determining a plurality of position features defining the handwritten character, and comparing the handwritten character...
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7295710 |
System and method for automated symbolic recognition including symbolic modeling
An automated symbolic recognition system and method includes pre-stored symbolic models to support a three phase symbolic reshaping scheme during the symbol recognition process that includes: (a)...
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7177430 |
Digital entroping for digital audio reproductions
The present invention provides a system and method for introducing white noises into a digital audio signal so that there is progressive and cumulative degradation in audio quality after each...
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6927774 |
Character display device and character display method
A character display device and method therefor are adapted to obtain a proximal reference point of each character comprising a character series and calculate display coordinates of each character...
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6782509 |
Method and system for embedding information in document
A method and a system for embedding information in document data that include text written in a page description language. First, an analysis is made of the layout of the document data in which...
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6738512 |
Using shape suppression to identify areas of images that include particular shapes
Shape suppression is used to identify areas of images that include particular shapes. According to one embodiment, a Vector Quantization (VQ)-based shape classifier is designed to identify the...
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6690821 |
Determining the font of text in an image
Systems and methods are provided for automatically determining the font of text in a captured document image. Sequences of turns (left, right, straight) around the boundaries of connected...
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6650777 |
Searching and filtering content streams using contour transformations
Methods and systems are provided for locating objects within a content stream, by transforming prospective objects and evaluating the results to identify meaningful semantic values. Transformation...
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6640017 |
Method and apparatus for adaptively sharpening an image
Briefly, in accordance with one embodiment of the invention, a method of sharpening an image includes the following. A crispening parameter is adaptively computed for a captured image based, at...
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6507678 |
Apparatus and method for retrieving character string based on classification of character
A character string retrieval apparatus classifies a plurality of characters following a prefix of a registration character string into a plurality of groups, and registers those following...
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6501856 |
Scheme for extraction and recognition of telop characters from video data
A scheme for detecting telop character displaying frames in video image which is capable of suppressing erroneous detection of frames without telop characters due to instability of image features...
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6493469 |
Dual video camera system for scanning hardcopy documents
A face-up document scanning apparatus stitches views from multiple video cameras together to form a composite image. The document scanning apparatus includes an image acquisition system and a frame...
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6411733 |
Method and apparatus for separating document image object types
A method and apparatus is provided for segmenting a binary document image so as to assign image objects to one of three types: CHARACTER-type objects, STROKE-type objects, and LARGE-BITMAP-type...
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6393151 |
Pattern reading system
An apparatus for recognizing visual patterns of handprinted characters or the like by means of an optical character reader which reads the patterns by a so-called outermost point method. While...
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6366699 |
Scheme for extractions and recognitions of telop characters from video data
A scheme for detecting telop character displaying frames in video image which is capable of suppressing erroneous detection of frames without telop characters due to instability of image features...
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6327384 |
Character recognition apparatus and method for recognizing characters
In a projection means black pixel histograms of a binary stationary image are generated in both the vertical and the horizontal direction. In a text type judgment means, in accordance with these...
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6275611 |
Handwriting recognition device, method and alphabet, with strokes grouped into stroke sub-structures
A method of representing handwriting which includes receiving a pen input, for example at a digitizer (10), segmenting the input into strokes (13), grouping the strokes into stroke sub-structures...
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6240209 |
Method for deriving character features in a character recognition system
A method for deriving character features in a character recognition system for recognising characters, such as letters and digits, and a character recognition system in which the method is applied....
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6227725 |
Text enhancement for color and gray-scale documents
A scanner (12) of a photocopier system scans a document and generates output image signals that an image-processing circuit (14) processes in such a manner as to enhance text-region legibility, and...
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6115498 |
Character image generating apparatus and method therefor
A character generating apparatus for generating a character image representing a character and a method therefor, which are capable of preventing a flicker phenomenon, which occurs in the...
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6035064 |
Apparatus and method for detecting and recognizing character line using simplified projection information
A character line recognition apparatus including an image input section for binarizing an inputted document image so as to output a binarized image, an extracting section for obtaining a combining...
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6014462 |
Image processing apparatus and method for distinguishing alphanumeric symbols on a white background and those on a mesh pattern and individually processing such image data
An image processing apparatus that distinguishes between alphanumeric symbols on a white background and those on a mesh pattern and performs individual image data processing includes an...
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5982929 |
Pattern recognition method and system
A method for pattern recognition of indicia composed of alphabetical characters of a language in the form of at least a part of a word. The shape of each character in a word is established by means...
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5978520 |
Method of recognizing image data and apparatus therefor
An object of the present invention is to generate a vector or data from inputted drawing data interactively by suppressing the input cost. When an unknown process occurs in the system during data...
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5940535 |
Method and apparatus for designing a highly reliable pattern recognition system
A design for a high reliability recognition system utilizes two optimized thresholds for each class k of a prototype data base. One threshold is a class region threshold CR k and the other is a...
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5923793 |
Handwritten character recognition apparatus with an improved feature of correction to stroke segmentation and method for correction to stroke segmentation for recognition of handwritten character
A method and apparatus for changing a segment of one or more strokes which are to constitute any of characters and signs by recognizing a relationship in the position between the frame encompassing...
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5852680 |
Character processing apparatus and a character processing method
Character pattern data that are formed from outline data are stored. A thickening amount or a narrowing amount is input to thicken or narrow the character pattern. A coordinate value for the stored...
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5781659 |
OCR classification based on transition ground data
An OCR system 10 classifies an input image vector of an unclassified symbol with respect to a library 14T of template image vectors of pre-classified characters. Each template vector is in the form...
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5774586 |
Method and apparatus for standardization of inputs to word recognition systems
Groups of symbols to be recognized are standardized by fitting four flexible curves to the group of symbols. The curves are fitted by minimizing a cost or energy function that associates a cost...
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5687253 |
Method for comparing word shapes
A method for determining the relative equivalency or match between two or more character strings represented in an array of image data, including the steps of determining page orientation,...
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5675665 |
System and method for word recognition using size and placement models
A bounds evaluation unit generates a bounds measurement pair corresponding to a character pattern pair determined from a handwritten word. Within the bounds measurement pair, a first bounds...
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5671438 |
Method and apparatus for formatting paragraphs
A method for formatting paragraphs on a screen of a computer system including the steps of: a) entering a word on a screen of a computer system using a pointing mechanism; b) finding an associated...
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5579406 |
Apparatus and method for outline data processing
An apparatus for pattern processing includes a display control unit for controlling display by a CRT, a keyboard, a CPU, a RAM, and the like, the CPU being adapted to control the apparatus and...
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5524066 |
Text recognition by predictive composed shapes
A top-down technique for character text recognition of an image comprises a left-to-right analysis of each image line. A current image portion is selected. Possible text prefixes are selected from...
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5517578 |
Method and apparatus for grouping and manipulating electronic representations of handwriting, printing and drawings
A note taking system that integrates word-processing functionality and computerized drawing functionality for processing ink strokes comprises novel methods that provide this functionality such as:...
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5513277 |
Measuring character and stroke sizes and spacings for an image
A processor measures size or spacing of connected components for an image of text by obtaining a distribution of measurements of distances between edges of connected components. The distances are...
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5471550 |
Apparatus for converting image outline data into dot data representative of image dots
A data converting apparatus mainly includes: a memory part for storing at least one set of outline data representative of an outline of one character which includes at least one straight line...
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5452100 |
Image scanning apparatus
An image scanning apparatus comprises an input image scanner for scanning an input image area with a beam of radiation and deriving from an image on at least part of the input image area a digital...
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5245674 |
Image processing using distance as a function of direction
Characteristics of images such as skew of lines of text or dominant typeface of characters are detected by producing distance data. Distance data is produced for each of a number of starting pixels...
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5220621 |
Character recognition system using the generalized hough transformation and method
A character recognition system and method using the generalized Hough transform are disclosed. A template table which stores edge point parameters to be used for the generalized Hough transform is...
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