J Comput Assist Tomogr. 1991 Jul-Aug;15(4):634-9.

Plastic transformation of PET images.

Friston KJ, Frith CD, Liddle PF, Frackowiak RS.

Source

MRC Cyclotron Unit, Hammersmith Hospital, London, U.K.

Abstract

A theory and technique are presented that allow nonlinear resampling of positron emission tomography data to remove nonlinear differences in brain shape. The resampling is determined empirically by a function relating the observed image and a desired template. The validity, reliability, and precision of the plastic transformation are compared with linear rescaling alone, within, and between subjects.

PMID:: 2061481; [PubMed - indexed for MEDLINE]

Publication Types, MeSH Terms, Grant Support

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Research Support, Non-U.S. Gov't

MeSH Terms

Grant Support

Wellcome Trust/United Kingdom

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Ovid Technologies, Inc.

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