Gradient amplitude image

Gradient Amplitude Image

**Figure 56:** Gradient amplitude image of river Garonne (Toulouse-France) and edges.
$\begin{figure}\begin{center}\epsfbox{/home/pocquet/LEONARDO/REGIS/garonne-gradient-edges.eps}\end{center}\end{figure}$

**Figure 57:** Gradient amplitude image of lakes ``La Ramée'' (Toulouse-France) and edges.
$\begin{figure}\begin{center}\epsfysize=8.5cm\epsfbox{/home/pocquet/LEONARDO/REGIS/ramee-gradient-edges.eps}\end{center}\end{figure}$

This method does not correct the defaults due to the results of region growing, and thus, many ``occlusions'' appear.

IRIT-UPS