Results of the numerical experiments presented in Sect. 6. Here, the performances of the MF and of the PSFF are compared on the basis of the completeness (i.e., the fraction of correctly detected signals) for different combinations of the amplitude a of the signal s with the intensity λ (units in counts pix−1) of the background (see Sect. 6). Here, s is given by ag with g a circular Gaussian with σ = 2 pixels normalized to unit volume. 104 simulated 13 × 13 pixels maps have been used. The detection test has been run assuming a detection threshold corresponding to α = 10−3.
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