Table 2: Comparison of the most relevant region detected as relevant (nonwater regions) by using the NVT and the proposed method. In the last row the total number of images and the average of the percentage of detected relevant regions are specified.

Seq. FramesDepth [m]% of relevant region (NVT)% of relevant region (AVA)

1 1687.790.4791.07
2 2437.894.2395.06
3 1537.899.34100
4 18111.888.3995.5
5 1637.195.0298.15
6 24211.387.0291.60

115092.4195.23