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Fig. 9.

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Results of step 3 with and without the spatial location feature. (a) Processing results of data observed on 2016 January 28 at 19:32:06 UT with and without the spatial location feature. (b) Processing results of data observed on 2019 May 8 at 16:46:06 UT with and without the spatial location feature. In panels a and b, the first and second rows show the mask and contour of results, and the first to third columns show the input image, results without the spatial location feature, and results with the spatial location feature, respectively. The green arrow in panel b indicates an example of an incorrectly detected penumbra area that is removed by applying the spatial location feature.

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