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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/211
Name: Image analysis > Pattern recognition > Template matching (e.g., specific devices that determine the best match) > Spatial filtering (e.g., holography) > With electrically controlled light modulator or filter
Description: Subject matter wherein the spatial filtering unit comprises an electrically, or electronically controllable light modulator to impart an amplitude or phase modulation onto light passing through or reflected by the modulator.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8643714 Test device and method for testing display parameters Feb. 4, 2014
8542439 Method and device for scanning-microscopy imaging of a specimen Sep. 24, 2013
8532398 Methods and apparatus for optical segmentation of biological samples Sep. 10, 2013
8373862 Extended range optical imaging system for use in turbid media Feb. 12, 2013
8331687 Image processing device and method for extracting a gloss region Dec. 11, 2012
8213740 Coherent image correlation Jul. 3, 2012
8115776 Mechanism to mitigate color breakup artifacts in field sequential color display systems Feb. 14, 2012
8077185 Mechanism to mitigate color breakup artifacts in field sequential color display systems Dec. 13, 2011
8073276 De-ringing filter for decompressed video data Dec. 6, 2011
8022344 Optical wavefront control pattern generating apparatus and optical wavefront control pattern generating method Sep. 20, 2011
7988297 Non-rigidly coupled, overlapping, non-feedback, optical systems for spatial filtering of fourier transform optical patterns and image shape content characterization Aug. 2, 2011
7986321 System and method for generating structured light for 3-dimensional image rendering Jul. 26, 2011
7925096 Method and apparatus for validating holograms Apr. 12, 2011
RE42070 Apparatus and method for radial and angular or rotational analysis of images for shape content and matching Jan. 25, 2011
7800035 Optical wavefront control pattern generating apparatus and optical wavefront control pattern generating method Sep. 21, 2010
7738736 Methods and systems for holographic data recovery Jun. 15, 2010
7697191 Generation of a desired three-dimensional electromagnetic field Apr. 13, 2010
7492948 Generation of a desired wavefront with a plurality of phase contrast filters Feb. 17, 2009
7483571 Apparatus and method for the construction of spatial representations Jan. 27, 2009
7317814 Authentication system and method Jan. 8, 2008
7302100 Method for increasing detectable light energy without changing shape content in radial and angular or rotational analysis of images for shape content and matching Nov. 27, 2007
7298908 Method and apparatus for detecting the presence of one or more images of a known predetermined kind of scene Nov. 20, 2007
7103223 Apparatus and method for radial and angular or rotational analysis or images for shape content and matching Sep. 5, 2006
6844947 All-optical holographic code division multiple access switch Jan. 18, 2005
6717699 Method for hybrid printing Apr. 6, 2004
6618138 Scanning fluorescent systems for various diagnostic Sep. 9, 2003
6480273 Multispectral imaging system and method Nov. 12, 2002
6445822 Search method and apparatus for locating digitally stored content, such as visual images, music and sounds, text, or software, in storage devices on a computer network Sep. 3, 2002
6415047 Optical feature extraction apparatus and encoding method for detection of DNA sequences Jul. 2, 2002
6360012 In situ projection optic metrology method and apparatus Mar. 19, 2002
6345127 Video data compression preprocessor using holographic optical correlation and feedback Feb. 5, 2002
6330361 Adaptively aligned optical correlator and method Dec. 11, 2001
6226391 Fingerprint classification via spatial frequency components May. 1, 2001
6137896 Method of recognizing faces using range images Oct. 24, 2000
6014219 Method and system for evaluating the quality of holograms Jan. 11, 2000
5953442 Fingerprint classification via spatial frequency components Sep. 14, 1999
5943170 Adaptive or a priori filtering for detection of signals corrupted by noise Aug. 24, 1999
5933530 Image recognition apparatus using image enhancement processing Aug. 3, 1999
5862258 Method for distinguishing between objects using mace filters Jan. 19, 1999
5850479 Optical feature extraction apparatus and encoding method for detection of DNA sequences Dec. 15, 1998
5844709 Multiple quantum well electrically/optically addressed spatial light modulator Dec. 1, 1998
5841489 Phase-only optically-addressed type spatial light modulator Nov. 24, 1998
5815597 Binary encoding of gray scale nonlinear joint transform correlators Sep. 29, 1998
5815598 Apparatus for identifying an individual based on a fingerprint image Sep. 29, 1998
5790691 Method and apparatus for robust shape detection using a hit/miss transform Aug. 4, 1998
5740276 Holographic method for encrypting and decrypting information using a fingerprint Apr. 14, 1998
5724447 Optical transform system for three-dimensional object recognition Mar. 3, 1998
5694495 Image sensing device and image sensing method Dec. 2, 1997
5675670 Optical processor using an original display having pixels with an aperture ratio less than that for pixels in an operation pattern display Oct. 7, 1997
5633944 Method and apparatus for automatic optical recognition of road signs May. 27, 1997

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