2007 (v1)
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C
P
CALVINI , Piero
Last name: CALVINI
First name: Piero
Institution: UNIGE
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1995 (v1)Publication
Transient stellar mass loss has already been studied as an inverse problem by Brown and Wood (1994) and by Calvini, Bertero and Brown (1995), in the hypothesis of a uniform flow speed nu (r)= nu 0. Here we consider a generalization of this inverse problem to an accelerated wind profile based on an empirical form for nu (r) with an adjustable...
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2006 (v1)Publication
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2004 (v1)Publication
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2005 (v1)Publication
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2006 (v1)Publication
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2006 (v1)Publication
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2006 (v1)Publication
ABSTRACT—Low spatial resolution and the related partial volume effects limit the diagnostic potential of brain single photon emission computed tomography (SPECT) imaging. As a possible remedy for this problem we propose a technique for the fusion of SPECT and MR images, which requires for a given patient the SPECT data and the T1-weighted MR...
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2005 (v1)Publication
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2001 (v1)Publication
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2006 (v1)Publication
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1999 (v1)Publication
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2005 (v1)Publication
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1998 (v1)Publication
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2007 (v1)Publication
ABSTRACT Purpose: To design a novel algorithm (BasGan) for automatic segmentation of striatal 123I-FP-CIT SPECT. Methods: The BasGan algorithm is based on a high definition, three-dimensional (3D) striatal template, derived from Talairach's atlas. A blurred template, obtained by convolving the former with a 3D Gaussian kernel (FWHM= 10 mm),...
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2006 (v1)Publication
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1999 (v1)Publication
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2008 (v1)Publication
In this work we look at the statistical distribution of geometrical observables computed in volumes centered on the right and left hippocampus in MR images. The observable distributions are then correlated with the clinical diagnosis in patients potentially affected by the Alzheimer disease. We then evaluate the discrimination ability of the...
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2000 (v1)Publication
La ricostruzione accurata di dati SPECT richiede una modellizzazione completamente tridimensionale (3D) del blurring del collimatore, modellizzazione che va poi inserita in un algoritmo iterativo. Purtroppo il costo computazionale di questa strategia e' estremamente elevato e questo fatto ne impedisce la diffusione nell'ambiente clinico. In...
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2002 (v1)Publication
5th National Congress of the Italian Association of Nuclear Medicine and Molecular Imaging (AINM) 2002, Genova November 15-19 Quart J Nucl Med 46(Suppl 1):107; 2002.
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2000 (v1)Publication
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2006 (v1)Publication
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2006 (v1)Publication
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2001 (v1)Publication
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2008 (v1)Publication
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