Research on Mount Wilson Magnetic Classification Based on Deep Learning

Figure 4

Two cases. The sunspot groups with solid-line boxes are detected by our method, where the classification results are displayed at the upper left of each box. The AR number and classification given by NOAA are manually labeled at the box below. The times of (a) and (b) are 20:00:00 UT on 12 March 2015 and 20:00:00 UT on 11 February 2014, respectively.

(a)

(b)