Two-stage spatial-filtering for diffraction pattern-analysis

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dc.contributor.author Blodgett, Jerry en_US
dc.contributor.author Easton, Roger en_US
dc.date.accessioned 2006-12-18T18:06:59Z en_US
dc.date.available 2006-12-18T18:06:59Z en_US
dc.date.issued 1981-03 en_US
dc.identifier.citation Applied Optics 20N6 (1981) 1050-1055 en_US
dc.identifier.issn 0003-6935 en_US
dc.identifier.uri http://hdl.handle.net/1850/3162 en_US
dc.description.abstract The use of optical power spectrum analysis for feature detection and classification is often restricted by the superposition of the aperture spectrum. A spatial frequency filtering technique using a circular aperture and filters has been previously proposed to separate the object and aperture spectra. An adaptation of this technique using square apertures and an opaque cross spatial filter offers improved performance for some applications. Numerical calculations and experimental results are given comparing the two techniques. en_US
dc.format.extent 69352 bytes en_US
dc.format.mimetype application/pdf en_US
dc.language.iso en_US en_US
dc.publisher Optical Society of America en_US
dc.relation.ispartofseries vol. 20 en_US
dc.relation.ispartofseries no. 6 en_US
dc.subject Apertures en_US
dc.subject Classifications en_US
dc.subject Diffraction patterns en_US
dc.subject Fourier transformation en_US
dc.subject Image processing en_US
dc.subject Optical filters en_US
dc.subject Pattern recognition en_US
dc.subject Power spectra en_US
dc.subject Spatial filtering en_US
dc.subject Spectrum analysis en_US
dc.title Two-stage spatial-filtering for diffraction pattern-analysis en_US
dc.type Article en_US
dc.identifier.url http://dx.doi.org/10.1364/AO.20.001050

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