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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
7054504 Relative optical path phase reconstruction in the correction of misfocused images using fractional powers of the fourier transform May. 30, 2006
7050653 Identification of virtual raster pattern May. 23, 2006
7039252 Iterative approximation environments for modeling the evolution of an image propagating through a physical medium in restoration and other applications May. 2, 2006
7013030 Personal choice biometric signature Mar. 14, 2006
7006693 Object recognition method Feb. 28, 2006
6993186 Energy minimization for classification, pattern recognition, sensor fusion, data compression, network reconstruction and signal processing Jan. 31, 2006
6990252 System for manipulating noise in digital images Jan. 24, 2006
6985609 Method for identifying an object image Jan. 10, 2006
6983182 Time resolved computed tomography angiography Jan. 3, 2006
6970577 Fast fourier transform correlation tracking algorithm with background correction Nov. 29, 2005
6967780 Image correction using individual manipulation of microlenses in a microlens array Nov. 22, 2005
6963667 System and method for signal matching and characterization Nov. 8, 2005
6950755 Genotype pattern recognition and classification Sep. 27, 2005
6944342 Method for recognizing objects in an image pixel plane Sep. 13, 2005
6940993 System and method for embedding a watermark signal that contains message data in a digital image Sep. 6, 2005
6920235 Method and instrument for determining the distortion angles in textile fabrics or similar, whether fixed or in movement Jul. 19, 2005
6920240 Method for accelerated reconstruction of a three-dimensional image Jul. 19, 2005
6904180 Method for detecting image interpolation Jun. 7, 2005
6873744 Image restoration from transformed component data Mar. 29, 2005
6870965 Texture description method and texture-based image retrieval method using Gabor filter in frequency domain Mar. 22, 2005
6859564 Signal processing using the self-deconvolving data reconstruction algorithm Feb. 22, 2005
6839471 Extended discrete fourier transform and parametric image algorithms Jan. 4, 2005
6829389 Method and apparatus for evaluating image Dec. 7, 2004
6826295 Method and apparatus for determining reference points in a fingerprint Nov. 30, 2004
6801661 Method and system for archival and retrieval of images based on the shape properties of identified segments Oct. 5, 2004
6795590 SAR and FLIR image registration method Sep. 21, 2004
6779040 Method and system for serving data files compressed in accordance with tunable parameters Aug. 17, 2004
6766062 Digital ridgelet transform via digital polar coordinate transform Jul. 20, 2004
6766054 Segmentation of an object from a background in digital photography Jul. 20, 2004
6762882 System and method for use of dark field fourier diaphragm in multi-frequency imaging Jul. 13, 2004
6735346 HD fourier transforms for irregularly sampled data May. 11, 2004
6731824 Spatial filtering method for failure analysis of a device May. 4, 2004
6731819 Optical information processing apparatus capable of various types of filtering and image processing May. 4, 2004
6721459 Storing sharpness data using embedded carriers Apr. 13, 2004
6701029 Ring-wedge data analysis of digital images Mar. 2, 2004
6701016 Method of learning deformation models to facilitate pattern matching Mar. 2, 2004
6687422 Discrete image data interpolation using sub-unity shift Feb. 3, 2004
6686587 Method of precision calibration of magnification of a scanning microscopes with the use of test diffraction grating Feb. 3, 2004
6687418 Correction of image misfocus via fractional fourier transform 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
6584234 Apparatus for and method of processing image and information recording medium Jun. 24, 2003

1 2 3 4 5 6 7 8 9

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