Fig. 1
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Left column: example of original SDO images from 11 August 2016: (a) HMI intensitygram, (c) HMI magnetogram, and (e) AIA UV image. Right column: corresponding active-region identifications for the same observation: (b) HMI intensitygram, (d) HMI magnetogram, and (f) AIA UV image. The contours mark the detected active regions.
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