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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/215
Name: Image analysis > Pattern recognition > Template matching (e.g., specific devices that determine the best match) > Using dynamic programming or elastic templates (e.g., warping)
Description: Subject matter wherein an image signal is deformed to optimally match another image signal for comparison in time or space, such as a template being geometrically distorted to achieve geometric conformity with another template.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7274821 System and method to facilitate pattern recognition by deformable matching Sep. 25, 2007
7200269 Non-rigid image registration using distance functions Apr. 3, 2007
7197166 Iris extraction method capable of precisely determining positions and sizes of irises in a digital face image Mar. 27, 2007
7064767 Image solution processing method, processing apparatus, and program Jun. 20, 2006
7031498 Adaptive early exit techniques in image correlation Apr. 18, 2006
7027650 Dynamic computing imagery, especially for visceral osteopathy and for articular kinetics Apr. 11, 2006
6993189 System and method to facilitate pattern recognition by deformable matching Jan. 31, 2006
6973204 Signature collation apparatus, signature collation method, and program which causes computer to execute the method Dec. 6, 2005
6937760 Interactive frame segmentation with dynamic programming Aug. 30, 2005
6785419 System and method to facilitate pattern recognition by deformable matching Aug. 31, 2004
6771808 System and method for registering patterns transformed in six degrees of freedom using machine vision Aug. 3, 2004
6754388 Content-based retrieval of series data Jun. 22, 2004
6748112 Method and apparatus for finding shape deformations in objects having smooth surfaces Jun. 8, 2004
6700994 Embedding and detecting a watermark in images Mar. 2, 2004
6700996 Adaptive early exit techniques in image correlation Mar. 2, 2004
6668084 Image recognition method Dec. 23, 2003
6658149 Scheme for identifying gray-scale image Dec. 2, 2003
6633686 Method and apparatus for image registration using large deformation diffeomorphisms on a sphere Oct. 14, 2003
6594392 Pattern recognition based on piecewise linear probability density function Jul. 15, 2003
6574353 Video object tracking using a hierarchy of deformable templates Jun. 3, 2003
6546117 Video object segmentation using active contour modelling with global relaxation Apr. 8, 2003
6507912 Protection of biometric data via key-dependent sampling Jan. 14, 2003
6430308 Handwriting verification device Aug. 6, 2002
6330358 Apparatus for character segmentation and apparatus for character recognition using the same Dec. 11, 2001
6330347 Method and device for identifying fingerprints using an analog flash memory Dec. 11, 2001
6327393 Method and apparatus to transform a region within a digital image using a deformable window Dec. 4, 2001
6256411 Image processing device and method for detecting objects in image data Jul. 3, 2001
6222939 Labeled bunch graphs for image analysis Apr. 24, 2001
6160914 Handwritten character verification method and apparatus therefor Dec. 12, 2000
6115505 Area detection apparatus Sep. 5, 2000
6052481 Automatic method for scoring and clustering prototypes of handwritten stroke-based data Apr. 18, 2000
6044168 Model based faced coding and decoding using feature detection and eigenface coding Mar. 28, 2000
6009198 Method for matching perceptual shape similarity layouts across multiple 2D objects Dec. 28, 1999
6006015 System and method of printer image warping Dec. 21, 1999
5999651 Apparatus and method for tracking deformable objects Dec. 7, 1999
5930380 Method and apparatus for verifying static signatures using dynamic information Jul. 27, 1999
5912989 Pattern recognition with a tree structure used for reference pattern feature vectors or for HMM Jun. 15, 1999
5887069 Sign recognition apparatus and method and sign translation system using same Mar. 23, 1999
5883986 Method and system for automatic transcription correction Mar. 16, 1999
5828769 Method and apparatus for recognition of objects via position and orientation consensus of local image encoding Oct. 27, 1998
5809465 Pattern recognition system Sep. 15, 1998
5796410 Generation and use of defective images in image analysis Aug. 18, 1998
5784490 Method and apparatus for automated recognition of text embedded in cluttered observations Jul. 21, 1998
5774586 Method and apparatus for standardization of inputs to word recognition systems Jun. 30, 1998
5748769 Pattern recognition apparatus May. 5, 1998
5644656 Method and apparatus for automated text recognition Jul. 1, 1997
5544254 Classifying and sorting crystalline objects Aug. 6, 1996
5490221 Digital data registration and differencing compression system Feb. 6, 1996
5490223 Pattern recognition apparatus Feb. 6, 1996
5379349 Method of OCR template enhancement by pixel weighting Jan. 3, 1995

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