Filtered GMM average image according to different probability thresholds.

<p>Left column: DaTSCAN image of average normal subjects. Central column: different location and intensity of relevant clusters for different values of threshold <b><i>η</i></b> = 4 ⋅ 10⁻⁶, 4 ⋅ 10⁻⁵ and 4 ⋅ 10⁻⁴. Right column: filtered GMM image reconstruction according to <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0130274#pone.0130274.e006" target="_blank">Eq 5</a>.