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Fig. 9

image

Comparison of the SA (red line) of the PDF of the counts of a MF filtered 2000 × 2000 pixels Poisson random field (λ = 0.1 counts pix−1) with the histogram H(z) of its peaks. The used MF is given by Eq. (5) with s a circular Gaussian with σ = 2 pixels and normalized to unit volume. For reference, the PDF pZ(z) (green line) of the greatest value of the map is also drawn (see text). The color-filled area provides the SPFA for the greatest peak effectively observed in the simulated map (SPFA ≈ 0.47).

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