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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/280
Name: Image analysis > Image transformation or preprocessing > Fourier transform
Description: Subject matter wherein a Fourier transform is performed on image data.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
6687422 Discrete image data interpolation using sub-unity shift Feb. 3, 2004
6678423 Shift and/or merge of transformed data along two axes Jan. 13, 2004
6674913 Method and apparatus for obtaining a high resolution image Jan. 6, 2004
6671536 Magnetic resonance angiography using floating table projection imaging Dec. 30, 2003
6671414 Shift and/or merge of transformed data along one axis Dec. 30, 2003
6640018 Method for rotating image records with non-isotropic topical resolution Oct. 28, 2003
6628845 Method for subpixel registration of images Sep. 30, 2003
6628844 High definition imaging apparatus and method Sep. 30, 2003
6618510 Method and apparatus for processing image data Sep. 9, 2003
6614452 Graphical user interface for in-vivo imaging Sep. 2, 2003
6584213 Motion matching method Jun. 24, 2003
6584234 Apparatus for and method of processing image and information recording medium Jun. 24, 2003
6584225 Frequency domain halftoning Jun. 24, 2003
6577994 Design rule generation system and recording medium recording program thereof Jun. 10, 2003
6567566 Techniques to improve binary joint transform correlator, particularly for fingerprint recognition May. 20, 2003
6555804 Method and device for detecting objects on a windshield Apr. 29, 2003
6549683 Method and apparatus for evaluating a scale factor and a rotation angle in image processing Apr. 15, 2003
6519372 Normalized crosscorrelation of complex gradients for image autoregistration Feb. 11, 2003
6498863 Method, system, and product for analyzing a digitized image of an array to create an image of a grid overlay Dec. 24, 2002
6449502 Bone measurement method and apparatus Sep. 10, 2002
6377299 Video quality abnormality detection method and apparatus Apr. 23, 2002
6373970 Image registration using fourier phase matching Apr. 16, 2002
6353689 Apparatus for and method of processing image and information recording medium Mar. 5, 2002
6327394 Apparatus and method for deriving temporal delays in integrated circuits Dec. 4, 2001
6314210 Multiplexing optical system Nov. 6, 2001
6307951 Moving body detection method and apparatus and moving body counting apparatus Oct. 23, 2001
6285802 Rotational correction and duplicate image identification by fourier transform correlation Sep. 4, 2001
6266452 Image registration method Jul. 24, 2001
6263299 Geometric aerial image simulation Jul. 17, 2001
6256108 Method and apparatus for label composition Jul. 3, 2001
6215522 Method of acquiring an image by push-broom scanning Apr. 10, 2001
6195460 Pattern extraction apparatus Feb. 27, 2001
6178271 Methods and systems for registering image data Jan. 23, 2001
6141054 Electronic image resolution enhancement by frequency-domain extrapolation Oct. 31, 2000
6094499 Pattern collation apparatus Jul. 25, 2000
6076004 Magnetic resonance image correction method and magnetic resonance imaging apparatus using the same Jun. 13, 2000
6067367 Moving direction measuring device and tracking apparatus May. 23, 2000
6061471 Method and system for detecting uniform images in video signal May. 9, 2000
6054268 Method and system for genotyping Apr. 25, 2000
6021215 Dynamic data visualization Feb. 1, 2000
6002807 Rotationally invariant correlator Dec. 14, 1999
5999637 Individual identification apparatus for selectively recording a reference pattern based on a correlation with comparative patterns Dec. 7, 1999
5995657 Image processing method and apparatus Nov. 30, 1999
5987005 Method and apparatus for efficient computation of discrete fourier transform (DFT) and inverse discrete fourier transform Nov. 16, 1999
5982954 Optical field propagation between tilted or offset planes Nov. 9, 1999
5974178 Wavesource image visualization method using a partial division fast fourier transform Oct. 26, 1999
5974194 Projection based method for scratch and wire removal from digital images Oct. 26, 1999
5974188 Method of fractal image coding and arrangement of performing the method Oct. 26, 1999
5963658 Method and apparatus for detecting an abnormality within a host medium Oct. 5, 1999
5963667 Multiplexing optical system and feature vector transformation apparatus using the same; feature vector detecting and transmitting apparatus; and recognition and classification system using the Oct. 5, 1999

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