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Titolo:
Selecting an appropriate anisotropy index for displaying diffusion tensor imaging data with improved contrast and sensitivity
Autore:
Armitage, PA; Bastin, ME;
Indirizzi:
Univ Oxford, Western Gen Hosp, Dept Med Phys & Med Engn, Oxford, England Univ Oxford Oxford England p, Dept Med Phys & Med Engn, Oxford, England
Titolo Testata:
MAGNETIC RESONANCE IN MEDICINE
fascicolo: 1, volume: 44, anno: 2000,
pagine: 117 - 121
SICI:
0740-3194(200007)44:1<117:SAAAIF>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
WATER DIFFUSION; MR; ORIENTATION;
Keywords:
magnetic resonance imaging; diffusion tensor imaging; anisotropy;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
20
Recensione:
Indirizzi per estratti:
Indirizzo: Armitage, PA Univ Oxford, Dept Engn Sci, Parks Rd, Oxford OX1 3PJ, EnglandUniv Oxford Parks Rd Oxford England OX1 3PJ OX1 3PJ, England
Citazione:
P.A. Armitage e M.E. Bastin, "Selecting an appropriate anisotropy index for displaying diffusion tensor imaging data with improved contrast and sensitivity", MAGN RES M, 44(1), 2000, pp. 117-121

Abstract

A review of the behavior of different diffusion anisotropy indices (DAIs) to changes in diffusion anisotropy was undertaken and the limitations of several previously proposed DAIs are discussed. A mathematical representationof anisotropy sensitivity was used to enable image contrast and sensitivity to noise to be predicted. This technique was utilized to devise a new DAI, the gamma-variate anisotropy, which has a low sensitivity to noise and animproved contrast range for human brain imaging. This index can be easily modified for other applications, in that the range of anisotropy values to which it is highly sensitive can be altered. (C) 2000 Wiley-Liss, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 11/08/20 alle ore 15:45:49