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Unsharpmaskingusingquadratic filterfortheenhancement of fingerprintsinnoisybackground

Jagathy Raj, V P; Hari, V S; Gopikakumari, R (Elsevier, May 23, 2013)

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Abstract:	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.
Description:	PatternRecognition46(2013)3198–3207
URI:	http://dyuthi.cusat.ac.in/purl/4496

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