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Title:
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Unsharpmaskingusingquadratic filterfortheenhancement of fingerprintsinnoisybackground |
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Author:
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Jagathy Raj, V P; Hari, V S; Gopikakumari, R
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Abstract:
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The papersummarizesthedesignandimplementationofaquadraticedgedetection filter basedon
Volterraseries.The filter isemployedinanunsharpmaskingschemeforenhancing fingerprints inadark
and noisybackground.Theproposed filter canaccountformuchofthepolynomialnonlinearities
inherent intheinputimageandcanreplacetheconventionaledgedetectorslikeLaplacian,LoG,etc.The
application ofthenew filter isinforensicinvestigationwhereenhancementandidentification oflatent
fingerprints arekeyissues.Theenhancementofimagesbytheproposedmethodissuperiortothatwith
unsharp maskingschemeemployingconventional filters intermsofthevisualquality,thenoise
performance and the computational complexity,making it an ideal candidate for latent fingerprint
enhancement. |
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Description:
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PatternRecognition46(2013)3198–3207 |
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URI:
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http://dyuthi.cusat.ac.in/purl/4496
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Date:
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2013-05-23 |