Water-pollution monitoring using matched spatial filters

dc.contributorVirginia Techen
dc.contributor.authorAlmeida, S. P.en
dc.contributor.authorEu, J. K. T.en
dc.contributor.departmentPhysicsen
dc.date.accessed2014-02-24en
dc.date.accessioned2014-04-04T15:12:29Zen
dc.date.available2014-04-04T15:12:29Zen
dc.date.issued1976-02en
dc.description.abstractPresented are some results obtained from the application of matched spatial filtering techniques to the identification of biological specimens called diatoms (i.e., water algae). A prototype semiautomatic optical processor has been developed that utilizes the Vander Lugt type complex spatial filters. We describe the optical filter averaging technique employed and discuss our semi in situ developing method for the filters. The advantage of this method with regards to the critical position requirements for time sharing optical filters is also presented. The filter holder is mounted on X, Y stages and precision positioned under the control of a PDP-11-40 computer.en
dc.description.sponsorshipNational Science Foundation/RANN Divisionen
dc.description.sponsorshipU.S. Army Medical Research and Development Commanden
dc.description.sponsorshipEnvironmental Protection Agencyen
dc.identifier.citationSilverio P. Almeida and James Kim-Tzong Eu, "Water pollution monitoring using matched spatial filters," Appl. Opt. 15, 510-515 (1976). doi: 10.1364/ao.15.000510en
dc.identifier.doihttps://doi.org/10.1364/ao.15.000510en
dc.identifier.issn0003-6935en
dc.identifier.urihttp://hdl.handle.net/10919/46975en
dc.identifier.urlhttp://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-15-2-510en
dc.language.isoen_USen
dc.publisherOptical Society of Americaen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.titleWater-pollution monitoring using matched spatial filtersen
dc.title.serialApplied Opticsen
dc.typeArticle - Refereeden

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