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.
Pasquale Anthony Della Rosa, Chiara Cerami, Francesca Gallivanone, Annapaola Prestia, Anna Caroli, Isabella Castiglioni, Maria Carla Gilardi, Giovanni B. Frisoni, Karl Friston, John Ashburner, Daniela Perani
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