Illustration of a 1D reconstruction scenario with 1024 pixels. Panel a) shows the superimposed diffuse and point-like signal components (green solid line) and its observational response (gray contour). Panel b) shows again the signal response representing noiseless data (gray contour) and the generated Poissonian data (red markers). Panel c) shows the reconstruction of the point-like signal component (blue solid line), the diffuse one (orange solid line), its 2σ reconstruction uncertainty interval (orange dashed line), and again the original signal response (gray contour). The point-like signal comprises 1024 point-sources of which only five are not too faint. Panel d) shows the reproduced signal response representing noiseless data (black solid line), its 2σ shot noise interval (black dashed line), and again the data (gray markers).
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