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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/197
Name: Image analysis > Pattern recognition > Feature extraction > Local or regional features > Directional codes and vectors (e.g., freeman chains, compasslike codes)
Description: Subject matter wherein the outline of a pattern* is encoded as a connected sequence or chain of feature signals representing headings or points of the compass.










Sub-classes under this class:

Class Number Class Name Patents
382/198 Extracted from alphanumeric characters 90


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8705866 Region description and modeling for image subscene recognition Apr. 22, 2014
8687894 Continuous edge and detail mapping using a weighted monotony measurement Apr. 1, 2014
8675967 Pose estimation Mar. 18, 2014
8655080 Method and apparatus for identifying combinations of matching regions in images Feb. 18, 2014
8644622 Compact signature for unordered vector sets with application to image retrieval Feb. 4, 2014
8644616 Character recognition Feb. 4, 2014
8639035 Pose estimation Jan. 28, 2014
8640015 Anomaly detection based on directional data Jan. 28, 2014
8634653 Object identification system Jan. 21, 2014
8611611 Three dimensional human pose recognition method and apparatus Dec. 17, 2013
8605946 Moving object detection apparatus and moving object detection method Dec. 10, 2013
8594370 Vulnerable road user protection system Nov. 26, 2013
8559050 Controlling placement and minimizing distortion of images in an imaging device Oct. 15, 2013
8553294 Outlining method for properly representing curved line and straight line, and image compression method using the same Oct. 8, 2013
8548250 Information processing apparatus and information processing method Oct. 1, 2013
8538076 Image processing device and image processing program Sep. 17, 2013
8532387 Methods and apparatus for procedural directional texture generation Sep. 10, 2013
8520950 Image processing device, image processing method, program, and integrated circuit Aug. 27, 2013
8520951 Image processing method, image processing apparatus, and computer readable storage medium Aug. 27, 2013
8515183 Utilizing images as online identifiers to link behaviors together Aug. 20, 2013
8503792 Patch description and modeling for image subscene recognition Aug. 6, 2013
8494273 Adaptive optical character recognition on a document with distorted characters Jul. 23, 2013
8478054 Method and system for text classification Jul. 2, 2013
8478077 Optimal gradient pursuit for image alignment Jul. 2, 2013
8462170 Picture attribute allocation Jun. 11, 2013
8457410 Over-parameterized variational optical flow method Jun. 4, 2013
8452107 Methods and systems for occlusion tolerant face recognition May. 28, 2013
8447126 Image processing method and related apparatus May. 21, 2013
8422774 Image processing method, image processing apparatus and program storage medium Apr. 16, 2013
8422795 Quality evaluation of sequences of images Apr. 16, 2013
8401318 Motion vector detecting apparatus, motion vector detecting method, and program Mar. 19, 2013
8401325 Image processing method, image processing apparatus, and computer program for core line modification of a thinning figure in an image process Mar. 19, 2013
8391611 Methods, systems and computer program products for identifying descriptors for an image Mar. 5, 2013
8379712 Image search methods for reducing computational complexity of motion estimation Feb. 19, 2013
8363942 Method for fast, robust, multi-dimensional pattern recognition Jan. 29, 2013
8327295 Information processing apparatus and method for displaying auxiliary information Dec. 4, 2012
8320675 Method for fast, robust, multi-dimensional pattern recognition Nov. 27, 2012
8300946 Image processing apparatus, image processing method, and computer program Oct. 30, 2012
8290307 Image forming apparatus and recording medium Oct. 16, 2012
8270672 Display angle adjustment system and method thereof Sep. 18, 2012
8254692 Document comparison method and apparatus Aug. 28, 2012
8254699 Automatic large scale video object recognition Aug. 28, 2012
8249357 Blind restoration of images degraded by isotropic blur Aug. 21, 2012
8165359 Method of constructing gray value or geometric models of anatomic entity in medical image Apr. 24, 2012
8139866 Method and system for drift correction of spectrum images Mar. 20, 2012
8116581 Efficient image representation by edges and low-resolution signal Feb. 14, 2012
8085295 Controllable micro light assembly Dec. 27, 2011
8073290 Method and computer program product for registering biomedical images Dec. 6, 2011
8041122 Image processing apparatus, method for controlling image processing apparatus, and storage medium storing related program Oct. 18, 2011
8036445 Pattern matching method, program and semiconductor device manufacturing method Oct. 11, 2011

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