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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7613365 |
Video summarization system and the method thereof |
Nov. 3, 2009 |
| 7573616 |
Enhanced data capture from imaged documents |
Aug. 11, 2009 |
| 7539326 |
Method for verifying an intended address by OCR percentage address matching |
May. 26, 2009 |
| 7454063 |
Method of optical character recognition using feature recognition and baseline estimation |
Nov. 18, 2008 |
| 7406653 |
Anomaly detection based on directional data |
Jul. 29, 2008 |
| 7400758 |
Abnormal pattern detecting apparatus |
Jul. 15, 2008 |
| 7388990 |
Local mass distribution partitioning for object recognition |
Jun. 17, 2008 |
| 7346213 |
Method for optically recognizing alpha-numerical characters |
Mar. 18, 2008 |
| 7283645 |
Object recognition using binary image quantization and Hough kernels |
Oct. 16, 2007 |
| 7272262 |
Energy minimization for classification, pattern recognition, sensor fusion, data compression, network reconstruction and signal processing |
Sep. 18, 2007 |
| 7254269 |
Character recognition system |
Aug. 7, 2007 |
| 7239751 |
Hypothesis support mechanism for mid-level visual pattern recognition |
Jul. 3, 2007 |
| 7162062 |
Method of processing images |
Jan. 9, 2007 |
| 7146057 |
System and method for image analysis using a chaincode |
Dec. 5, 2006 |
| 7127104 |
Vectorized image segmentation via trixel agglomeration |
Oct. 24, 2006 |
| 7068821 |
Information processing method and apparatus |
Jun. 27, 2006 |
| 7050653 |
Identification of virtual raster pattern |
May. 23, 2006 |
| 7035466 |
Process and device for detection of straight-line segments in a stream of digital data that are representative of an image in which the contour points of said image are identified |
Apr. 25, 2006 |
| 7031526 |
Reshaping freehand drawn lines and shapes in an electronic document |
Apr. 18, 2006 |
| 7016521 |
Image processing method and system, and medical examination apparatus, for extracting a path following a threadlike structure in an image |
Mar. 21, 2006 |
| 7006694 |
System and method for pattern identification |
Feb. 28, 2006 |
| 6993189 |
System and method to facilitate pattern recognition by deformable matching |
Jan. 31, 2006 |
| 6965694 |
Motion information recognition system |
Nov. 15, 2005 |
| 6958714 |
Encoding method and encoding apparatus, and computer program and computer readable storage medium |
Oct. 25, 2005 |
| 6912309 |
Method and system for identifying objects in an image |
Jun. 28, 2005 |
| 6912316 |
Data compression and reconstruction methods and apparatuses for hard copy device |
Jun. 28, 2005 |
| 6792146 |
Method and apparatus for entry of multi-stroke characters |
Sep. 14, 2004 |
| 6785419 |
System and method to facilitate pattern recognition by deformable matching |
Aug. 31, 2004 |
| 6778704 |
Method and apparatus for pattern recognition using a recognition dictionary partitioned into subcategories |
Aug. 17, 2004 |
| 6778702 |
Method and apparatus for assessing the quality of spectral images |
Aug. 17, 2004 |
| 6763136 |
Method and apparatus for determining spectral similarity |
Jul. 13, 2004 |
| 6757421 |
Method and apparatus for detecting defects |
Jun. 29, 2004 |
| 6741752 |
Method of removing block boundary noise components in block-coded images |
May. 25, 2004 |
| 6721452 |
System and method of handwritten character recognition |
Apr. 13, 2004 |
| 6694049 |
Multimode invariant processor |
Feb. 17, 2004 |
| 6687403 |
Process and device for detection of straight-line segments in a stream of digital data that are representative of an image in which the contour points of said image are identified |
Feb. 3, 2004 |
| 6665439 |
Image recognition method and apparatus utilizing edge detection based on magnitudes of color vectors expressing color attributes of respective pixels of color image |
Dec. 16, 2003 |
| 6658145 |
Fast high-accuracy multi-dimensional pattern inspection |
Dec. 2, 2003 |
| 6643401 |
Apparatus and method for recognizing character |
Nov. 4, 2003 |
| 6639593 |
Converting bitmap objects to polygons |
Oct. 28, 2003 |
| 6636618 |
Method for detecting geological discontinuity in an environment using an optical flow |
Oct. 21, 2003 |
| 6628834 |
Template matching system for images |
Sep. 30, 2003 |
| 6574367 |
Method and apparatus for pattern matching encoding |
Jun. 3, 2003 |
| 6556993 |
Method and system for providing a hardware sort in a graphics system |
Apr. 29, 2003 |
| 6529202 |
Color adviser |
Mar. 4, 2003 |
| 6501857 |
Method and system for detecting and classifying objects in an image |
Dec. 31, 2002 |
| 6501856 |
Scheme for extraction and recognition of telop characters from video data |
Dec. 31, 2002 |
| 6430315 |
Image processing method including a chaining step, and medical imaging apparatus including means for carrying out this method |
Aug. 6, 2002 |
| 6404925 |
Methods and apparatuses for segmenting an audio-visual recording using image similarity searching and audio speaker recognition |
Jun. 11, 2002 |
| 6404921 |
Contour extracting method and apparatus |
Jun. 11, 2002 |
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