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Fig. 7

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Robustness of random forest: input images for each EUV channel, scaled such that the bottom and top 1% of pixel values are clipped (top two rows). The 94 Å and 131 Å images here have only the short exposure images and barely show the Sun. The single Gaussian and mixture approaches fail to create good thematic maps while the random forest approach is more robust to errors (bottom row).

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