Research Article

Automated Visual Inspection of Ship Hull Surfaces Using the Wavelet Transform

Figure 4

Decomposition of an image from a damaged hull, using Haar wavelet with two coefficients, at three decomposition levels: (a) original image, (b) first decomposition level, (c) second decomposition level, and (d) third decomposition level.
101837.fig.004a
(a)
101837.fig.004b
(b)
101837.fig.004c
(c)
101837.fig.004d
(d)