Fig. 3.
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Three levels of WOW processing. Top left: original γ-stretched (γ = 2.4) HRIEUV image. The inset (top left quarter) shows an enlargement of the area within the white square. Top right: output of the WOW algorithm. Bottom right: Same with added denoising. Bottom right: output of the edge-aware denoised version of the algorithm. For all images the gray scale maps to the central 99.8% of values. An animated version of this figure is available https://www.aanda.org/10.1051/0004-6361/202245345/olm.
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