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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/202
Name: Image analysis > Pattern recognition > Feature extraction > Local or regional features > Linear stroke analysis (e.g., limited to straight lines)
Description: Subject matter wherein the only local features ever measured for recognition purposes are the straight-line strokes in a pattern*.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8669995 Methods and apparatus for stroke grouping for high-level sketch editing Mar. 11, 2014
8670600 Methods and systems for image fingerprinting Mar. 11, 2014
8655112 Method and apparatus for an improved workflow for digital image editing Feb. 18, 2014
8644618 Automatic evaluation of line weights Feb. 4, 2014
8620163 Systems and methods for optically communicating small data packets to mobile devices Dec. 31, 2013
8620090 Line determination apparatus, line determination method, and computer-readable medium Dec. 31, 2013
8620020 Methods and systems for preventing unauthorized disclosure of secure information using image fingerprinting Dec. 31, 2013
8611669 Image processing apparatus, image processing method and computer-readable medium Dec. 17, 2013
8600163 Handwriting determination apparatus and method and program Dec. 3, 2013
8588550 Virtual level for a digital camera Nov. 19, 2013
8553294 Outlining method for properly representing curved line and straight line, and image compression method using the same Oct. 8, 2013
8538276 Method and apparatus for visible light communication with image processing Sep. 17, 2013
8532387 Methods and apparatus for procedural directional texture generation Sep. 10, 2013
8503717 Detection of spam images Aug. 6, 2013
8494277 Handwritten character recognition based on frequency variations in characters Jul. 23, 2013
8494278 Handwritten character recognition based on frequency variations in characters Jul. 23, 2013
8467566 Method for detecting fraud in a printed image Jun. 18, 2013
8467612 System and methods for navigation using corresponding line features Jun. 18, 2013
8452133 Underline removal apparatus May. 28, 2013
8422774 Image processing method, image processing apparatus and program storage medium Apr. 16, 2013
8422800 Deblock method and image processing apparatus Apr. 16, 2013
8411967 Constraint-based ordering for temporal coherence of stroke based animation Apr. 2, 2013
8395824 Method for determining ground line Mar. 12, 2013
8290226 Method for determining and displaying at least one piece of information on a target volume Oct. 16, 2012
8155445 Image processing apparatus, method, and processing program for image inversion with tree structure Apr. 10, 2012
8135210 Image analysis relating to extracting three dimensional information from a two dimensional image Mar. 13, 2012
8131080 Handwriting determination apparatus and method and program Mar. 6, 2012
8121416 System and method for determining inflection points in an image of an object Feb. 21, 2012
8094939 Digital ink-based search Jan. 10, 2012
8090204 Method and system for line segment extraction Jan. 3, 2012
8077910 Digital watermark embedding and detection Dec. 13, 2011
8059914 Method and apparatus for preprocessing ultrasound imaging Nov. 15, 2011
8023735 Image processing apparatus for extracting representative characteristic from image data and storing image data to be associated with representative characteristic Sep. 20, 2011
8018629 Image reading apparatus, image reading method, and program for implementing the method Sep. 13, 2011
8009917 Image processing device Aug. 30, 2011
7996409 System and method for content-based object ranking to facilitate information lifecycle management Aug. 9, 2011
7991233 Method and apparatus for dynamic connector analysis Aug. 2, 2011
7957594 Outline definition apparatus and outline definition method, and image processing apparatus Jun. 7, 2011
7936927 Constraint-based ordering for temporal coherence of stroke-based animation May. 3, 2011
7903881 Image processing device Mar. 8, 2011
7873217 System for line extraction in digital ink Jan. 18, 2011
7856146 Image processing device, image forming device, image processing method and program Dec. 21, 2010
7856127 Ridge direction extraction device, ridge direction extraction method, ridge direction extraction program Dec. 21, 2010
7840005 Synchronization of media signals Nov. 23, 2010
7813553 Image region detection method, recording medium, and device therefor Oct. 12, 2010
7813556 Incremental system for real time digital ink analysis Oct. 12, 2010
7796819 Apparatus and method for character recognition using acceleration sensor Sep. 14, 2010
7760390 Binary resolution conversion aparatus and method Jul. 20, 2010
7756337 Method and apparatus for reducing reference character dictionary comparisons during handwriting recognition Jul. 13, 2010
7693853 Method and apparatus for retrieving data representing a postal address from a plurality of postal addresses Apr. 6, 2010

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