Fig. 4
Comparison of the background pixel value distribution of the hits image, shown in black, with the distribution expected for Poissonian background, shown in red, obtained using the WAVDETECT output B′ (see Sect. 4.2), for the bulge (left) and for the disc (right). The red histograms have been shifted along the x-axis by pixel value = 0.1 for clarity.
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