Shape Descriptors for classification of functional data
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comunitat-uji-handle2:10234/7037
comunitat-uji-handle3:10234/8635
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Title
Shape Descriptors for classification of functional dataAuthor (s)
Date
2008Publisher
American Statistical AssociationISSN
00401706Type
info:eu-repo/semantics/articleVersion
info:eu-repo/semantics/acceptedVersionSubject
Abstract
Curve discrimination is an important task in engineering and other sciences. We
propose several shape descriptors for classifying functional data, inspired by form anal-
ysis from the image analysis eld: statistical ... [+]
Curve discrimination is an important task in engineering and other sciences. We
propose several shape descriptors for classifying functional data, inspired by form anal-
ysis from the image analysis eld: statistical moments, coe cients of the components
of independent component analysis (ICA) and two mathematical morphology descrip-
tors (morphological covariance and spatial size distributions). They are applied to
three problems: an arti cial problem, a speech recognition problem and a biomechan-
ical application. Shape descriptors are compared with other methods in the literature,
obtaining better or similar performances [-]
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info:eu-repo/semantics/openAccess
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