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7620245 |
Cursive handwriting recognition with hierarchical prototype search
Various technologies and techniques are disclosed that improve cursive handwriting recognition. Cursive handwriting input is received from a user. The system performs a hierarchical prototype...
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7620244 |
Methods and systems for slant compensation in handwriting and signature recognition
Various computer-implemented methods are provided. One method for signature recognition includes identifying a vertical element of a signature and determining a tilt angle of the vertical element....
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7616333 |
Electronic ink processing and application programming interfaces
An application programming interface instantiates an ink analyzer object that receives document data for a document containing electronic ink content from a software application hosting the...
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7606421 |
Data extraction from temporal image data
In a method and system to extract data from handwritten information when the information is captured as sequences of strokes, vectors, or marks, temporal data is stored within the color or...
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7596272 |
Handling of diacritic points
A method for recognition of a handwritten pattern comprises selecting core points among a sequence of detected points of the handwritten pattern. The core points are selected for use in segmenting...
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7596270 |
Method of shuffling text in an Asian document image
A method, system, and computer-readable medium containing computer-executable instructions are provided, for randomly relocating text character images of a scanned-in Asian character document to...
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7593574 |
Ink warping for normalization and beautification / ink beautification
Systems and methods are disclosed that facilitate normalizing and beautifying digitally generated handwriting, such as can be generated on a tablet PC or via scanning a handwritten document. A...
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7590850 |
Digital signature method based on identification information of group members, and method of acquiring identification information of signed-group member, and digital signature system for performing digital signature based on identification information of group members
A digital signature method based on identification information of one or more group members who belong to a group includes: a) a group parameter generating operation generating group public key...
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7590535 |
Method and system of handling the selection of alternates for recognized words
Methods and systems for facilitating the selection of alternates for hand written word. Rules select words user based on operating modes and cursor positions and sequential orderings. User...
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7583841 |
Table detection in ink notes
Computer-readable media having computer-executable instructions and apparatuses detect a table in a handwritten document. Line segments are derived from drawing strokes so that a bounding frame of...
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7583825 |
Mobile communications terminal and method
Handwriting recognition is performed by sensing a trace signal, where the trace represents a handwritten intended symbol. A digital representation of the trace signal is then stored and compared...
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7580573 |
Segmentation-based recognition
A method for recognition of a handwritten pattern comprises selecting core points among a sequence of detected points of the handwritten pattern. The core points are selected for use in segmenting...
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7580572 |
Spatial motion recognition system and method using a virtual handwriting plane
A spatial motion recognition system capable of recognizing motions in three-dimensional space as handwritings on a two-dimensional plane is provided. The system recognizes motions of a system body...
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7580551 |
Method and apparatus for analyzing and/or comparing handwritten and/or biometric samples
A computer based method of biometric analysis which compares a first vector from a first biometric sample with a second vector from a second biometric sample. The vectors have at least one...
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7577925 |
Processing for distinguishing pen gestures and dynamic self-calibration of pen-based computing systems
Systems, methods, and computer-readable media process and distinguish user input device gestures, such as gestures input via a pen in a pen-based computing system, e.g., to quickly and reliably...
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7567711 |
Cleaning up of handwriting intra-stroke and inter-stroke overtracing
A method and system for cleaning handwriting for redisplay of the handwriting or for improved recognition accuracy is provided. The cleanup system receives handwriting that has been digitized. The...
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7561740 |
Systems and methods for automatic graphical sequence completion
A possible portion providing method involving receiving a pattern provided using a movable member, the pattern corresponding to a traveling path of the movable member, and the provided pattern...
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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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7558426 |
Device for outputting character recognition results, character recognition device, and program therefor
An output mechanism of a character recognition device includes a category classifier for classifying image data of characters to be recognized for each category recognized in character recognition...
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7555162 |
Systems and methods for assessing a document using cross-correlation analysis
Methods and systems are provided for analyzing and assessing documents using a writing profile for documents, such as a payment instrument. A method may include providing a document to a computer...
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7551779 |
Word or character boundary-based scratch-out gesture recognition
Described is a computer-implemented system and method that detects and differentiates scratch-out gestures from other electronic ink, e.g., entered via a pen. The system and method compare...
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7532758 |
Method and apparatus for generating handwriting recognition template
A method and apparatus for generating a template for use in handwriting recognition are provided. In the method and apparatus text is obtained, character strings in the text are identified, each...
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7526129 |
Lifting ink annotations from paper
A computer-implemented system for obtaining ink annotations from paper comprises a comparator that compares an initial electronic version of a document with an electronic image of an annotated...
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7519221 |
Reconstructing high-fidelity electronic documents from images via generation of synthetic fonts
A system creates an electronic version of a document from page-images of the document, wherein the electronic version replicates both the logical content and the physical appearance of the original...
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7515752 |
Sketch recognition and enhancement
A drawing assistance system enhances a sketch drawn by a user in an electrical document on a computer system by collecting stroke data from one or more strokes of a sketch as a user draws the...
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7515751 |
Method and system for searching for words and phrases in active and stored ink word documents
In a computing device, a method and system for searching for matching ink words or phrases, by comparing a given search term of at least one word (and possibly alternates) with the words in a...
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7502509 |
Systems and methods for digital pen stroke correction
Systems and methods are provided for correcting digital pen strokes written on a paper form using a digital pen. In one embodiment, a stroke collection file includes sets of coordinates...
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7499589 |
Method and apparatus for using pressure information for improved computer controlled handwriting recognition, data entry and user authentication
A method and system utilizing both (x, y) coordinate (“spatial”) stroke data and associated pressure information for improved handwriting recognition. The method and system can also be applied...
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7499055 |
Method of font generation for displaying the thickness of strokes of characters
The present invention employs the notion of a Chinese writing brush in moving a geometric figure to produce a style of calligraphy, where the area of the geometric figure is large or small, then...
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7496513 |
Combined input processing for a computing device
Input is received from at least two different input sources. Information from these sources are combined together to provide a result. In a particular example, input from one source corresponds to...
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7490041 |
System to allow the selection of alternative letters in handwriting recognition systems
A system and/or method that provides a virtual alpha-numeric keyboard based at least in part upon a user real-time input entry within a portable computing device. An input component receives an...
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7489819 |
Systems and methods for handwritten digital pen lexical inference
Systems and methods are provided for recognizing handwritten characters drawn on a paper form using a digital pen that records stroke coordinates corresponding to respective pen strokes. In one...
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7483570 |
Software and method for creating a dynamic handwriting font
A machine-readable storage medium storing executable code is configured to cause a machine to randomly alter a shape of a character. A method for creating a dynamic handwriting font includes:...
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7480411 |
Adaptive OCR for books
A system/method is presented for scanning entire books or document all at once using an adaptive process where the book or document has known fonts and unknown fonts. The known fonts are processed...
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7469062 |
Character identification
The present invention provides a method of modifying a classification scheme for classifying hand-written characters to thereby make the classification scheme user dependent. The classification...
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7466861 |
Method for outputting character recognition results
An output mechanism of a character recognition device includes a category classifier for classifying image data of characters to be recognized for each category recognized in character recognition...
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7463779 |
Method of compressing digital ink using linear prediction
A method of compressing digital ink input including a sequence of strokes is provided. Each stroke is represented as a series of digital words representing x and y co-ordinates. The compressed...
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7450763 |
Reshaping freehand drawn lines and shapes in an electronic document
The invention improves the appearance of freehand drawn lines and shapes in an electronic document by first recognizing freehand drawn lines and shapes and generating a line made up of sequential...
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7447360 |
Analyzing tabular structures 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 is...
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7444021 |
Character string identification
The present invention provides a method of identifying a string formed from a number of hand-written characters, such as hand-written words. In order to achieve this, the method operates to...
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7440616 |
System and method for recognition of a hand-drawn chart in ink input
A system and method for recognition of hand-drawn charts in ink input is provided. A chart recognizer may be provided that may recognize a hand-drawn diagram or chart in ink input. The chart...
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7437001 |
Method and device for recognition of a handwritten pattern
A method for recognition of a handwritten pattern comprises the steps of forming ( 4 ) a representation of the handwritten pattern, forming ( 6 ) at least two subconfigurations by dividing the...
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7418136 |
Method of shape recognition using postulated lines
A method for recognizing shapes is disclosed. A computer, such as a handheld computer with pen input, is used to receive a drawing from a user. The user's drawing is then analyzed to identify the...
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7412095 |
Preprocessing of multi-line rotated electronic ink
An electronic ink object is preprocessed for improving handwriting recognition results. An electronic ink object, possibly having multiple lines of non-horizontal ink, is preprocessed by segmenting...
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7412094 |
System and method for editing a hand-drawn table in ink input
A system and method for editing ink objects recognized in ink input is provided. An ink parser may recognize an ink object in ink input and then an ink editing user interface may edit the ink...
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7409090 |
Handwritten character input device and handwritten character input processing method
The present invention provides a handwritten character input device and handwritten input character processing method enabling easy selection of a text input area and reliable input of handwritten...
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7409089 |
Writing guide for a free-form document editor
Displaying a writing guide for a free-form document editor by detecting electronic ink, classifying the detected ink as corresponding to handwriting or a drawing, and displaying a handwriting guide...
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7409088 |
System and method for connectivity-based recognition of a hand-drawn chart in ink input
A system and method for recognition of hand-drawn charts in ink input is provided. A chart recognizer may be provided that may recognize a hand-drawn diagram or chart in ink input. The chart...
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