Underwater Object Recognition Using Transformable Template Matching Based on Prior Knowledge

Figure 8

Template construction process of the triangle-like object: (a) is the image containing the triangle-like object, (b) is the image containing mainly background, (c) is the result of the image difference, and (d) and (e) are the template containing the acoustic highlight region and background.

(a)

(b)

(c)

(d)

(e)