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Fast unsupervised extraction of endmembers spectra from hyperspectral data

2004Conference object Restricted access
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dc.contributor.authorNascimento, Jose
dc.contributor.authorBioucas-Dias, José M.
dc.date.accessioned2016-05-03T15:41:31Z
dc.date.available2016-05-03T15:41:31Z
dc.date.issued2004
dc.description.abstractLinear unmixing decomposes an hyperspectral image into a collection of re ectance spectra, called endmember signatures, and a set corresponding abundance fractions from the respective spatial coverage. This paper introduces vertex component analysis, an unsupervised algorithm to unmix linear mixtures of hyperpsectral data. VCA exploits the fact that endmembers occupy vertices of a simplex, and assumes the presence of pure pixels in data. VCA performance is illustrated using simulated and real data. VCA competes with state-of-the-art methods with much lower computational complexity.pt_PT
dc.identifier.citationNASCIMENTO, José M. P.; BIOUCAS-DIAS, José M. - Fast unsupervised extraction of endmembers spectra from hyperspectral data. Proceedings of SPIE - Remote Sensing for Environmental Monitoring, GIS Applications, and Geology III. ISSN 0277-786X. Vol. 5239. 314-321, 2004pt_PT
dc.identifier.doi10.1117/12.510663pt_PT
dc.identifier.issn0277-786X
dc.identifier.urihttp://hdl.handle.net/10400.21/6151
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSPIEpt_PT
dc.relationPOSI/34071/CPS/2000pt_PT
dc.subjectHyperspectral imagerypt_PT
dc.subjectUnsupervised endmember extractionpt_PT
dc.subjectVertex component analysispt_PT
dc.subjectSpectral mixture modelpt_PT
dc.subjectLinear unmixingpt_PT
dc.titleFast unsupervised extraction of endmembers spectra from hyperspectral datapt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceBarcelona, Spainpt_PT
oaire.citation.endPage321pt_PT
oaire.citation.startPage314pt_PT
oaire.citation.titleProceedings of SPIE - Remote Sensing for Environmental Monitoring, GIS Applications, and Geology IIIpt_PT
oaire.citation.volume5239pt_PT
person.familyNameNascimento
person.givenNameJose
person.identifier.ciencia-id6912-6F61-1964
person.identifier.orcid0000-0002-5291-6147
person.identifier.ridE-6212-2015
person.identifier.scopus-author-id55920018000
rcaap.rightsclosedAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublicationc7ffc6c0-1bdc-4f47-962a-a90dfb03073c
relation.isAuthorOfPublication.latestForDiscoveryc7ffc6c0-1bdc-4f47-962a-a90dfb03073c

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