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Class Information
Number: 382/200
Name: Image analysis > Pattern recognition > Feature extraction > Local or regional features > Pattern boundary and edge measurements > Measurements made on alphanumeric characters
Description: Subject matter wherein the boundary or edge measurements are made on letters, numerals, or other human language symbols.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609269 |
Assigning color values to pixels based on object structure |
Oct. 27, 2009 |
| 7576753 |
Method and apparatus to convert bitmapped images for use in a structured text/graphics editor |
Aug. 18, 2009 |
| 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 |
Jul. 28, 2009 |
| 7561739 |
Analyzing scripts and determining characters in expression recognition |
Jul. 14, 2009 |
| 7561738 |
Symbol grouping and recognition in expression recognition |
Jul. 14, 2009 |
| 7561737 |
Mathematical expression recognition |
Jul. 14, 2009 |
| 7555145 |
Multi-level optical mark reading that uses an unambiguous symbology of marks to fill into response bubbles |
Jun. 30, 2009 |
| 7551304 |
Information processing apparatus, image forming apparatus, method therefor, and system |
Jun. 23, 2009 |
| 7454063 |
Method of optical character recognition using feature recognition and baseline estimation |
Nov. 18, 2008 |
| 7447362 |
System and method of enabling a cellular/wireless device with imaging capabilities to decode printed alphanumeric characters |
Nov. 4, 2008 |
| 7349576 |
Method, device and computer program for recognition of a handwritten character |
Mar. 25, 2008 |
| 7295710 |
System and method for automated symbolic recognition including symbolic modeling |
Nov. 13, 2007 |
| 7177430 |
Digital entroping for digital audio reproductions |
Feb. 13, 2007 |
| 6927774 |
Character display device and character display method |
Aug. 9, 2005 |
| 6782509 |
Method and system for embedding information in document |
Aug. 24, 2004 |
| 6738512 |
Using shape suppression to identify areas of images that include particular shapes |
May. 18, 2004 |
| 6690821 |
Determining the font of text in an image |
Feb. 10, 2004 |
| 6650777 |
Searching and filtering content streams using contour transformations |
Nov. 18, 2003 |
| 6640017 |
Method and apparatus for adaptively sharpening an image |
Oct. 28, 2003 |
| 6507678 |
Apparatus and method for retrieving character string based on classification of character |
Jan. 14, 2003 |
| 6501856 |
Scheme for extraction and recognition of telop characters from video data |
Dec. 31, 2002 |
| 6493469 |
Dual video camera system for scanning hardcopy documents |
Dec. 10, 2002 |
| 6459809 |
Searching and filtering content streams using contour transformations |
Oct. 1, 2002 |
| 6411733 |
Method and apparatus for separating document image object types |
Jun. 25, 2002 |
| 6393151 |
Pattern reading system |
May. 21, 2002 |
| 6366699 |
Scheme for extractions and recognitions of telop characters from video data |
Apr. 2, 2002 |
| 6327384 |
Character recognition apparatus and method for recognizing characters |
Dec. 4, 2001 |
| 6275611 |
Handwriting recognition device, method and alphabet, with strokes grouped into stroke sub-structures |
Aug. 14, 2001 |
| 6240209 |
Method for deriving character features in a character recognition system |
May. 29, 2001 |
| 6227725 |
Text enhancement for color and gray-scale documents |
May. 8, 2001 |
| 6115498 |
Character image generating apparatus and method therefor |
Sep. 5, 2000 |
| 6064769 |
Character extraction apparatus, dictionary production apparatus and character recognition apparatus, using both apparatuses |
May. 16, 2000 |
| 6035064 |
Apparatus and method for detecting and recognizing character line using simplified projection information |
Mar. 7, 2000 |
| 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 |
Jan. 11, 2000 |
| 5982929 |
Pattern recognition method and system |
Nov. 9, 1999 |
| 5978520 |
Method of recognizing image data and apparatus therefor |
Nov. 2, 1999 |
| 5953453 |
Methods for determining font attributes of characters |
Sep. 14, 1999 |
| 5940535 |
Method and apparatus for designing a highly reliable pattern recognition system |
Aug. 17, 1999 |
| 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 charac |
Jul. 13, 1999 |
| 5852680 |
Character processing apparatus and a character processing method |
Dec. 22, 1998 |
| 5781659 |
OCR classification based on transition ground data |
Jul. 14, 1998 |
| 5774586 |
Method and apparatus for standardization of inputs to word recognition systems |
Jun. 30, 1998 |
| 5717939 |
Method and apparatus for entering and manipulating spreadsheet cell data |
Feb. 10, 1998 |
| 5687253 |
Method for comparing word shapes |
Nov. 11, 1997 |
| 5675665 |
System and method for word recognition using size and placement models |
Oct. 7, 1997 |
| 5671438 |
Method and apparatus for formatting paragraphs |
Sep. 23, 1997 |
| 5579406 |
Apparatus and method for outline data processing |
Nov. 26, 1996 |
| 5524066 |
Text recognition by predictive composed shapes |
Jun. 4, 1996 |
| 5517578 |
Method and apparatus for grouping and manipulating electronic representations of handwriting, printing and drawings |
May. 14, 1996 |
| 5513277 |
Measuring character and stroke sizes and spacings for an image |
Apr. 30, 1996 |
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