460430.fig.007a
(a)
460430.fig.007b
(b)
460430.fig.007c
(c)
460430.fig.007d
(d)
Figure 7: An image captured by the visual sun compass and experiment results. (a) Image captured by the visual sun compass. (b) Blobs detected by the original MSER. (c) The center detected by the conventional method. (d) The detected sun and its center by the proposed method.