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5734749 |
Character string input system for completing an input character string with an incomplete input indicative sign
A character string input system includes an input storage portion for temporarily storing input character string with an incomplete input indicative signs. There is also a word dictionary storing...
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5729629 |
Handwritten symbol recognizer
A handwritten symbol recognizer adapted to automatically recognize various handwritten symbols including Kanji character is disclosed. The symbol recognizer includes a data processor coupled to a...
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5724457 |
Character string input system
A character string input system includes a direct character string buffer 50 storing character coded direct character string, a character string predicting portion 60 generating a predicted...
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5717168 |
Method and device for capturing and processing graphical information
Ultrasound pulses are emitted by two emitters (12, 14) carried by an instrument (10) and substantially aligned with the tip of the instrument. Several receivers (62a, . . . , 62e) occupy determined...
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5710832 |
Method and system for displaying handwritten data and recognized symbols
A method and system for training a handwriting recognizer at the time of misrecognition is provided. In a preferred embodiment, a trainer program traps and stores the output from a recognizer. The...
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5698822 |
Input and display apparatus for handwritten characters
An input/display apparatus for handwritten characters is capable of quickly inputting handwritten characters, freely editing characters inputted, and storing a lot of handwritten characters with a...
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5689620 |
Automatic training of character templates using a transcription and a two-dimensional image source model
A technique for automatically training a set of character templates using unsegmented training samples uses as input a two-dimensional (2D) image of characters, called glyphs, as the source of...
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5687254 |
Searching and Matching unrecognized handwriting
A method and system provide for searching and matching gesture-based data such as handwriting without performing a recognition process on the handwritten gesture data to convert it to a standard...
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5684892 |
Method for pattern recognition
A method for pattern recognition is provided which creates statistics in a data base, based upon a number of characteristics extracted from a large number of samples of the pattern to be...
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5682439 |
Boxed input correction system and method for pen based computer systems
According to the present invention, a variety of correction methods and systems are disclosed. A first method aspect of the present invention teaches a computer implemented correction method for...
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5680480 |
Method and apparatus for training a recognizer
A method and apparatus for training a recognizer includes displaying a practice word on a display screen of a pen-based computer system and entering a handwritten word that is similar to the...
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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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5666438 |
Method and apparatus for recognizing handwriting of different users of a pen-based computer system
A computer system and method capable of handwriting recognition and user identification are presented. The computer system includes a CPU, a dual-function display assembly and a stylus. The...
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5657396 |
Method and apparatus for pattern recognition and validation, especially for hand-written signatures
Apparatus and method for pattern recognition and validation, especially of hand-written signatures. Original files of basic structures are established and stored in a reference image file. The...
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5655136 |
Method and apparatus for recognizing and performing handwritten calculations
A pen-based circulator recognizes handwritten input. The calculator comprises a display simulating a sheet of paper, and a stylus simulating a pen. The user writes a calculation on the calculator...
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5644652 |
System and method for automatic handwriting recognition with a writer-independent chirographic label alphabet
An automatic handwriting recognition system wherein each written (chirographic) manifestation of each character is represented by a statistical model (called a hidden Markov model). The system...
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5644653 |
Information processing apparatus and control method thereof having user character recognition
A hand-held computer with an input pen capable of handwriting recognition. Characters are inputted by a user's manual operation with the input pen on a transparent coordinate input plate in front...
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5636291 |
Continuous parameter hidden Markov model approach to automatic handwriting recognition
A computer-based system and method for recognizing handwriting. The present invention includes a pre-processor, a front end, and a modeling component. The present invention operates as follows....
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5633954 |
System and method for character recognition with normalization
A character recognition system comprises means for receiving a first binary image of a plurality of characters; segmenting means for separating the first binary image into a plurality of second...
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5633955 |
Method of connecting shapes on a display of a computer system
An apparatus for recognizing shapes characterized by a stroke grouper receptive to a plurality of strokes formed on a screen of a pen-based computer system; a shape recognition engine receptive to...
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5621809 |
Computer program product for automatic recognition of a consistent message using multiple complimentary sources of information
A general approach is provided for the combined use of several sources of information in the automatic recognition of a consistent message. For each message unit (e.g., word) the total likelihood...
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5615283 |
Pattern recognition device
A pattern recognition device tracks the angular movements made by a pointing device such as a mouse in generating a pattern of lines. A pattern code is generated if the angular movements match...
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5615284 |
Stylus-input recognition correction manager computer program product
The invention relates to a computer program product for a stylus-based user interface for computers. The invention is a process for separating a stylus-based application program from the procedures...
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5610996 |
Method and apparatus for arc segmentation in handwriting recognition
According to principles of the invention, a method and apparatus are provided that organizes sample text into a format that facilitates character recognition. Sample text is analyzed for those...
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5606629 |
Figure recognition apparatus
In a figure recognition apparatus, a direction of a vector starting from a sample point most recently stored in a position data memory and terminating at an attention point is compared to an...
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5594810 |
Method and apparatus for recognizing gestures on a computer system
A method and apparatus for recognizing a gesture input on a display screen of a computer system. A stroke is input by a user on the screen, and the stroke is smoothed by reducing the number of...
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5592566 |
Method and apparatus for computerized recognition
A recognition system for a pen-based computer system characterized by: a tablet for inputting strokes from a stylus; a low-level recognizer responsive to the strokes and operative to perform...
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5587560 |
Portable handwritten data capture device and method of using
A system for capturing handwritten data includes a base station, a docking station coupled to the base station and a plurality of portable handwriting capture devices, which may be in the form of...
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5588073 |
Online handwritten character recognizing system and method thereof
An online handwritten character recognizing system and method thereof, is provided which includes a feature extracting section for providing a Fourier transformation of the coordinate points of the...
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5579408 |
Character recognition method and apparatus
Character recognition method and apparatus according to the present invention comprises the partial pattern dictionary which classifies and registers partial patterns of characters to be recognized...
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5577135 |
Handwriting signal processing front-end for handwriting recognizers
A handwriting signal processing front-end method and apparatus for a handwriting training and recognition system which includes non-uniform segmentation and feature extraction in combination with...
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5568565 |
Handwriting input method and apparatus
A handwriting input method and apparatus is disclosed which generates a single line segment from a group of input line segments which are input by a user. The input line segments may be overlapping...
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5566248 |
Method and apparatus for a recognition editor and routine interface for a computer system
A computer system including a CPU, a screen assembly coupled to the CPU, a pointer assembly coupled to the CPU, an application program running on the CPU, a recognizer routine running on the CPU,...
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5561720 |
Method for extracting individual characters from raster images of a read-in handwritten or typed character sequence having a free pitch
Image-pattern-specific separation values are calculated in each case per column for a separation image of standardized width, with the aid of a separation classifier, and the column having the...
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5557789 |
Text retrieval method and apparatus based on a handwritten keyword
A text retrieval method and a text retrieval apparatus for retrieving texts based on a handwritten keyword inputted from an optical character reader are provided. Respective characters of a keyword...
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5550931 |
Automatic handwriting recognition using both static and dynamic parameters
Methods and apparatus are disclosed for recognizing handwritten characters in response to an input signal from a handwriting transducer. A feature extraction and reduction procedure is disclosed...
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5550930 |
Method and system for training a handwriting recognizer at the time of misrecognition
A method and system for training a handwriting recognizer at the time of misrecognition is provided. In a preferred embodiment, a trainer program traps and stores the output from a recognizer. The...
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5546538 |
System for processing handwriting written by user of portable computer by server or processing by the computer when the computer no longer communicate with server
A computer arrangement that offloads computationally intensive tasks from portable computer devices to larger servers is disclosed. A portable computer device that relies on handwriting or speech...
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5546565 |
Input/output apparatus having a pen, and method of associating and processing handwritten image data and voice data
An input/output apparatus records both a handwritten image and a speech to facilitate the collation between the recorded image and speech. When a command recognizing section recognizes that a...
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5544279 |
Fuzzy logic recognition device which determines the mode of an unknown move using fuzzy set theory
A fuzzy logic recognition device has a plurality of sets of feature extraction windows, each set storing the predetermined features for one feature class therein, and comparing the stored features...
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5544260 |
Silent training by error correction for on-line handwritting recognition systems
A method for using information provided during error correction for modifying character prototypes in an on-line handwriting recognition system is disclosed. The method allows a user to correct...
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5537489 |
Method of normalizing handwritten symbols
A handwritten test symbol, such as an alphabetic character, a word or a signature, written on a digitizing tablet is normalized by comparison with a model symbol to determine the transformation...
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5533147 |
Segmentation of handwritten patterns using stroke and jump vectors
Disclosed are a pattern recognition method and apparatus which eliminate the complications of handwritten input by storing two or more patterns in memory beforehand, matching input patterns with...
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5528699 |
Information medium recognition device
An information medium recognition device for recognizing an information medium such as a handwritten signature inputted by performing an online input operation. The information medium recognition...
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5526023 |
Pen input and output unit
In a pen input and output unit for inputting data by contacting a pen on an input surface of a tablet device and for displaying the input data, display data is updated by detecting that the pen is...
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5526440 |
Hand-written character recognition apparatus
A hand-written character recognition apparatus which checks the relation between the rectangular outline directions of two partial structures of one character.
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5521985 |
Apparatus for recognizing machine generated or handprinted text
A computer system with an image reader and nerual network is provided for determining whether an image of text has been generated by a machine or by hand. This serves the useful purpose of allowing...
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5521986 |
Compact data input device
A data entry apparatus includes a mosaic display as a template for inputting characters, by a stylus or other device. The displayed mosaic includes a plurality of segments, each represented by a...
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5517579 |
Handwritting input apparatus for handwritting recognition using more than one sensing technique
Handwriting recognition apparatus including handwriting input apparatus employing at least two different sensing techniques to sense handwriting and symbol identification apparatus receiving an...
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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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