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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/278
Name: Image analysis > Image transformation or preprocessing > Correlation
Description: Subject matter wherein a correlation operation is performed on image data.










Patents under this class:
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Patent Number Title Of Patent Date Issued
6555804 Method and device for detecting objects on a windshield Apr. 29, 2003
6553136 System and method for counterfeit protection Apr. 22, 2003
6549683 Method and apparatus for evaluating a scale factor and a rotation angle in image processing Apr. 15, 2003
6546150 Analogue signal processing circuit Apr. 8, 2003
6546134 System for assessment of fine motor control in humans Apr. 8, 2003
6542619 Method for analyzing video Apr. 1, 2003
6519372 Normalized crosscorrelation of complex gradients for image autoregistration Feb. 11, 2003
6483949 Image processing apparatus and method, and medium therefor Nov. 19, 2002
6456737 Data processing system and method Sep. 24, 2002
6438440 Method and system for managing semiconductor manufacturing equipment Aug. 20, 2002
6389169 Intelligent systems and methods for processing image data based upon anticipated regions of visual interest May. 14, 2002
6388794 Method and apparatus for spectrum analysis and encoder May. 14, 2002
6385340 Vector correlation system for automatically locating patterns in an image May. 7, 2002
6373994 Low latency correlation Apr. 16, 2002
6356659 Labeled bunch graphs for image analysis Mar. 12, 2002
6345127 Video data compression preprocessor using holographic optical correlation and feedback Feb. 5, 2002
6343150 Detection of image correspondence using radial cumulative similarity Jan. 29, 2002
6330361 Adaptively aligned optical correlator and method Dec. 11, 2001
6327394 Apparatus and method for deriving temporal delays in integrated circuits Dec. 4, 2001
6310963 Method and apparatus for detecting an EAS (electronic article surveillance) marker using wavelet transform signal processing Oct. 30, 2001
6307959 Method and apparatus for estimating scene structure and ego-motion from multiple images of a scene using correlation Oct. 23, 2001
6301388 Image matching apparatus Oct. 9, 2001
6301387 Template matching using correlative auto-predictive search Oct. 9, 2001
6298171 System for reading data glyphs Oct. 2, 2001
6298170 Image tracking apparatus for tracking an image within a local region to continuously track a moving object Oct. 2, 2001
6292586 Arithmetic unit, correlation arithmetic unit and dynamic image compression apparatus Sep. 18, 2001
6275612 Character data input apparatus and method thereof Aug. 14, 2001
6272510 Arithmetic unit, correlation arithmetic unit and dynamic image compression apparatus Aug. 7, 2001
6263086 Automatic detection and retrieval of embedded invisible digital watermarks from halftone images Jul. 17, 2001
6256419 Method and apparatus for detecting a point of change in a moving image Jul. 3, 2001
6243494 Template matching in 3 dimensions using correlative auto-predictive search Jun. 5, 2001
6219458 Overlapped reversible transforms for unified lossless/lossy compression Apr. 17, 2001
6219462 Method and apparatus for performing global image alignment using any local match measure Apr. 17, 2001
6215898 Data processing system and method Apr. 10, 2001
6195460 Pattern extraction apparatus Feb. 27, 2001
6194695 Photoreceptor array for linear optical flow measurement Feb. 27, 2001
6178271 Methods and systems for registering image data Jan. 23, 2001
6175652 Machine vision system for analyzing features based on multiple object images Jan. 16, 2001
6163403 High output reflective optical correlator having a folded optical axis using grayscale spatial light modulators Dec. 19, 2000
6160656 Method and apparatus for optical correlation recognition by time-integrated nonlinear detection Dec. 12, 2000
6157744 Method and apparatus for detecting a point of change in a moving image Dec. 5, 2000
6154577 Digital image processing method and computer program product Nov. 28, 2000
6144759 Method of determining the transformation between an object and its three-dimensional representation, and device for carrying out the method Nov. 7, 2000
6141439 Apparatus for image measurement Oct. 31, 2000
6115505 Area detection apparatus Sep. 5, 2000
6108458 Sparse array image correlation Aug. 22, 2000
6108435 Method of detecting phase difference between a pair of images Aug. 22, 2000
6104828 Ophthalmologic image processor Aug. 15, 2000
6101518 Arithmetic unit, correlation arithmetic unit and dynamic image compression apparatus Aug. 8, 2000
6097851 Low latency correlation Aug. 1, 2000

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