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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/230
Name: Image analysis > Pattern recognition > Context analysis or word recognition (e.g., character string) > Trigrams or digrams
Description: Subject matter wherein the recognition system utilizes the characteristics of strings of two or three characters.










Patents under this class:

Patent Number Title Of Patent Date Issued
8233726 Image-domain script and language identification Jul. 31, 2012
8208765 Search and retrieval of documents indexed by optical character recognition Jun. 26, 2012
8150170 Statistical approach to large-scale image annotation Apr. 3, 2012
8102284 Handheld electronic device with disambiguation of compound word text input Jan. 24, 2012
7697720 Visual sensing for large-scale tracking Apr. 13, 2010
7689409 Text language identification Mar. 30, 2010
7583205 Handheld electronic device with disambiguation of compound word text input Sep. 1, 2009
7573404 Handheld electronic device with disambiguation of compound word text input employing separating input Aug. 11, 2009
7539326 Method for verifying an intended address by OCR percentage address matching May. 26, 2009
7451317 Apparatus for and method of embedding watermark into original information, transmitting watermarked information, and reconstructing the watermark Nov. 11, 2008
7443316 Entering a character into an electronic device Oct. 28, 2008
7218249 Hand-held communication device having navigation key-based predictive text entry May. 15, 2007
7046847 Document processing method, system and medium May. 16, 2006
7020338 Method of identifying script of line of text Mar. 28, 2006
6934405 Address reading method Aug. 23, 2005
6646572 Method for designing optimal single pointer predictive keyboards and apparatus therefore Nov. 11, 2003
6636636 Character recognizing apparatus, method, and storage medium Oct. 21, 2003
6560360 Feed forward feed back multiple neural network with context driven recognition May. 6, 2003
6292772 Method for identifying the language of individual words Sep. 18, 2001
6175829 Method and apparatus for facilitating query reformulation Jan. 16, 2001
6137911 Test classification system and method Oct. 24, 2000
5963671 Enhancement of soft keyboard operations using trigram prediction Oct. 5, 1999
5930783 Semantic and cognition based image retrieval Jul. 27, 1999
5915039 Method and means for extracting fixed-pitch characters on noisy images with complex background prior to character recognition Jun. 22, 1999
5883986 Method and system for automatic transcription correction Mar. 16, 1999
5850480 OCR error correction methods and apparatus utilizing contextual comparison Dec. 15, 1998
5774588 Method and system for comparing strings with entries of a lexicon Jun. 30, 1998
5724449 Stroke syntax input device Mar. 3, 1998
5687254 Searching and Matching unrecognized handwriting Nov. 11, 1997
5628003 Document storage and retrieval system for storing and retrieving document image and full text data May. 6, 1997
5617488 Relaxation word recognizer Apr. 1, 1997
5479536 Stroke syntax input device Dec. 26, 1995
5261009 Means for resolving ambiguities in text passed upon character context Nov. 9, 1993
5133023 Means for resolving ambiguities in text based upon character context Jul. 21, 1992
5062143 Trigram-based method of language identification Oct. 29, 1991
4754489 Means for resolving ambiguities in text based upon character context Jun. 28, 1988
4058795 Method and apparatus for context-aided recognition Nov. 15, 1977











 
 
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