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Class Information
Number: 382/198
Name: Image analysis > Pattern recognition > Feature extraction > Local or regional features > Directional codes and vectors (e.g., freeman chains, compasslike codes) > Extracted from alphanumeric characters
Description: Subject matter wherein the directional features or vectors are extracted from letters, numerals, or other human language symbols.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8705862 Image processing apparatus Apr. 22, 2014
8670623 Image processing apparatus, image conversion method, and computer-readable storage medium for computer program based on calculated degree of complexity Mar. 11, 2014
8494278 Handwritten character recognition based on frequency variations in characters Jul. 23, 2013
8494277 Handwritten character recognition based on frequency variations in characters Jul. 23, 2013
8411313 Image forming apparatus and image reading method for reading an untargeted page of an original Apr. 2, 2013
8363947 Handwritten character recognition based on frequency variations in characters Jan. 29, 2013
8355578 Image processing apparatus, image processing method, and storage medium Jan. 15, 2013
8325386 Printing using display list from vector data or display list obtained from location information Dec. 4, 2012
8320676 Method for configuring camera-equipped electronic devices using an encoded mark Nov. 27, 2012
8301363 System and method for detection of average speed of vehicles for traffic control Oct. 30, 2012
8290274 Method for handwritten character recognition, system for handwritten character recognition, program for handwritten character recognition and storing medium Oct. 16, 2012
8289581 Image processing apparatus, transfer job managing method, program for implementing the method, and storage medium storing the program Oct. 16, 2012
8260006 System and method of aligning images Sep. 4, 2012
8249357 Blind restoration of images degraded by isotropic blur Aug. 21, 2012
8194983 Method and system for preprocessing an image for optical character recognition Jun. 5, 2012
8189961 Techniques in optical character recognition May. 29, 2012
8103132 Fast key-in for machine-printed OCR-based systems Jan. 24, 2012
8094939 Digital ink-based search Jan. 10, 2012
8023741 Methods and systems for detecting numerals in a digital image Sep. 20, 2011
7929772 Method for generating typographical line Apr. 19, 2011
7864194 Systems and methods for motion adaptive filtering Jan. 4, 2011
7844115 Information processing apparatus, method, and program product Nov. 30, 2010
7840072 Method and system for pattern matching Nov. 23, 2010
7792369 Form processing method, form processing device, and computer product Sep. 7, 2010
7724957 Two tiered text recognition May. 25, 2010
7664597 Address input method and apparatus for navigation system Feb. 16, 2010
7433537 Image reproduction system for removing noise of a periodic pattern Oct. 7, 2008
7394574 Method and device for electronically correcting the color value in film scanners Jul. 1, 2008
7349588 Automatic meter reading Mar. 25, 2008
7277598 Image processing apparatus, certification photograph taking apparatus, and certification photograph creation system Oct. 2, 2007
7242805 System and method for automated symbolic recognition including database modeling Jul. 10, 2007
7190833 Mobile device and transmission system Mar. 13, 2007
7069215 Systems and methods for extracting meaning from multimodal inputs using finite-state devices Jun. 27, 2006
6958714 Encoding method and encoding apparatus, and computer program and computer readable storage medium Oct. 25, 2005
6927774 Character display device and character display method Aug. 9, 2005
6907145 Image processing apparatus, certification photograph taking apparatus, and certification photograph creation system Jun. 14, 2005
6898315 Feature extraction for real-time pattern recognition using single curve per pattern analysis May. 24, 2005
6859556 Word recognizing apparatus for dynamically generating feature amount of word and method thereof Feb. 22, 2005
6795579 Method and apparatus for recognizing handwritten chinese characters Sep. 21, 2004
6721452 System and method of handwritten character recognition Apr. 13, 2004
6704449 Method of extracting text from graphical images Mar. 9, 2004
6690821 Determining the font of text in an image Feb. 10, 2004
6636631 Optical character reading method and system for a document with ruled lines and its application Oct. 21, 2003
6580826 Method and apparatus for parametric representation of handwritten symbols Jun. 17, 2003
6532303 Line direction deciding device, image inclination detecting device and image inclination correcting device Mar. 11, 2003
6393151 Pattern reading system May. 21, 2002
6389166 On-line handwritten Chinese character recognition apparatus May. 14, 2002
6240209 Method for deriving character features in a character recognition system May. 29, 2001
6229920 Method of classifying and recognizing patterns by additive contour extraction and averaging May. 8, 2001
6181432 Printing system, printing apparatus and printing control method Jan. 30, 2001

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