MDRO: "Modified DUDA Road Operator"

MDRO: "Modified DUDA Road Operator"

In order to avoid the detection of the profiles of ``step'' type, M.ROUX [Roux, 1992], proposes a modified version of the score function:

$\begin{displaymath}Score= \frac{G(\vert a_1- a_2\vert)\times G(\vert a_2- a_3\vert)}{max(\sum^3_{i= 1}F(a_i- b_i), \sum^3_{i= 1}F(a_i- c_i))}\end{displaymath}$

This new expression makes it possible to extract only the lines from 1 to 3 pixels and to get rid of simple edges and thicker lines. On the other hand, when the environment has a radiometry close to that of the lineament, the modified detector creates holes, whereas the original expression avoids this problem better.

IRIT-UPS