Fig. 2
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Median of normalised residuals of pure INLA reconstruction as a function of sampling percentage for the 600 × 600 × 50 cut of a face-on cube. Circles and triangles refer to 3 × 108 and 3 × 109 photon number realisations, respectively. Horizontal lines refer to LPN input without spatial inference to HPN reference residuals. The total running times are represented in different colours.
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